Neutral or negatively charged ligands bonded to metal cations or neutral atoms. The number of ligand atoms to which the metal center is directly bonded is the metal cation's coordination number, and this number is always greater than the regular valence or oxidation number of the metal. A coordination complex can be negative, neutral, or positively charged.
"Chemical Engineering is a branch of engineering that deals with the design, construction, and operation of plants and machinery for large-scale chemical processing of raw materials into finished or partially finished products and for the disposal or recycling of byproducts."
A class of compounds of the type R-M, where a C atom is joined directly to any other element except H, C, N, O, F, Cl, Br, I, or At. (Grant & Hackh's Chemical Dictionary, 5th ed)
Picolinic acid is an organic compound that belongs to the class of pyridine derivatives, acting as a chelating agent in mammals, primarily found in the liver and kidneys, and playing a significant role in the metabolism of proteins, vitamins, and minerals.
Chemicals that bind to and remove ions from solutions. Many chelating agents function through the formation of COORDINATION COMPLEXES with METALS.
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)

Preparation of a promising angiogenesis PET imaging agent: 68Ga-labeled c(RGDyK)-isothiocyanatobenzyl-1,4,7-triazacyclononane-1,4,7-triacetic acid and feasibility studies in mice. (1/394)

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(S)-5-(p-nitrobenzyl)-PCTA, a promising bifunctional ligand with advantageous metal ion complexation kinetics. (2/394)

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Intermolecular hydroamination of ethylene and 1-alkenes with cyclic ureas catalyzed by achiral and chiral gold(I) complexes. (3/394)

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Selective binding, self-assembly and nanopatterning of the Creutz-Taube ion on surfaces. (4/394)

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Intermediates in reactions of copper(I) complexes with N-oxides: from the formation of stable adducts to oxo transfer. (5/394)

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Spontaneous resolution of racemic camphorates in the formation of three-dimensional metal-organic frameworks. (6/394)

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Demetalation of silver(III) corrolates. (7/394)

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Current applications and future potential for bioinorganic chemistry in the development of anticancer drugs. (8/394)

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Coordination complexes are chemical compounds in which a central metal atom or ion is bonded to one or more ligands (molecules or ions that donate a pair of electrons to form a coordinate covalent bond) through a coordination number, which refers to the number of individual bonds formed between the metal and the ligands.

The structure and properties of coordination complexes are determined by the type of metal ion, the nature and number of ligands, and the geometry of the coordination sphere around the metal ion. These complexes have important applications in various fields such as catalysis, bioinorganic chemistry, materials science, and medicinal chemistry.

The formation of coordination complexes can be described by the following reaction:

M + nL ↔ MLn

Where M is the metal ion, L is the ligand, and n is the number of ligands bonded to the metal ion. The double arrow indicates that the reaction can proceed in both directions, with the equilibrium favoring either the formation or dissociation of the complex depending on various factors such as temperature, pressure, and concentration.

The study of coordination complexes is an important area of inorganic chemistry, and it involves understanding the electronic structure, bonding, and reactivity of these compounds. The use of crystal field theory and molecular orbital theory provides a framework for describing the behavior of coordination complexes and predicting their properties.

Chemical engineering is a branch of engineering that deals with the design, construction, and operation of plants and machinery for the large-scale production or processing of chemicals, fuels, foods, pharmaceuticals, and biologicals, as well as the development of new materials and technologies. It involves the application of principles of chemistry, physics, mathematics, biology, and economics to optimize chemical processes that convert raw materials into valuable products. Chemical engineers are also involved in developing and improving environmental protection methods, such as pollution control and waste management. They work in a variety of industries, including pharmaceuticals, energy, food processing, and environmental protection.

Organometallic compounds are a type of chemical compound that contain at least one metal-carbon bond. This means that the metal is directly attached to carbon atom(s) from an organic molecule. These compounds can be synthesized through various methods, and they have found widespread use in industrial and medicinal applications, including catalysis, polymerization, and pharmaceuticals.

It's worth noting that while organometallic compounds contain metal-carbon bonds, not all compounds with metal-carbon bonds are considered organometallic. For example, in classical inorganic chemistry, simple salts of metal carbonyls (M(CO)n) are not typically classified as organometallic, but rather as metal carbonyl complexes. The distinction between these classes of compounds can sometimes be subtle and is a matter of ongoing debate among chemists.

Picolinic acid is not specifically classified as a medical term, but it is a type of organic compound that belongs to the class of molecules known as pyridinecarboxylic acids. These are carboxylic acids derived from pyridine by the substitution of a hydrogen atom with a carboxyl group.

Picolinic acid, specifically, is a pyridine derivative with a carboxyl group at the 2-position of the ring. It is naturally produced in the body and can be found in various tissues and fluids, including the brain, where it plays a role in the metabolism of amino acids, particularly tryptophan.

In addition to its physiological functions, picolinic acid has been studied for its potential therapeutic applications. For example, it has been shown to have antibacterial and antifungal properties, and may also play a role in heavy metal chelation and neuroprotection. However, more research is needed to fully understand the medical significance of this compound.

Chelating agents are substances that can bind and form stable complexes with certain metal ions, preventing them from participating in chemical reactions. In medicine, chelating agents are used to remove toxic or excessive amounts of metal ions from the body. For example, ethylenediaminetetraacetic acid (EDTA) is a commonly used chelating agent that can bind with heavy metals such as lead and mercury, helping to eliminate them from the body and reduce their toxic effects. Other chelating agents include dimercaprol (BAL), penicillamine, and deferoxamine. These agents are used to treat metal poisoning, including lead poisoning, iron overload, and copper toxicity.

In the context of medicine, there is no specific medical definition for 'metals.' However, certain metals have significant roles in biological systems and are thus studied in physiology, pathology, and pharmacology. Some metals are essential to life, serving as cofactors for enzymatic reactions, while others are toxic and can cause harm at certain levels.

Examples of essential metals include:

1. Iron (Fe): It is a crucial component of hemoglobin, myoglobin, and various enzymes involved in energy production, DNA synthesis, and electron transport.
2. Zinc (Zn): This metal is vital for immune function, wound healing, protein synthesis, and DNA synthesis. It acts as a cofactor for over 300 enzymes.
3. Copper (Cu): Copper is essential for energy production, iron metabolism, antioxidant defense, and connective tissue formation. It serves as a cofactor for several enzymes.
4. Magnesium (Mg): Magnesium plays a crucial role in many biochemical reactions, including nerve and muscle function, protein synthesis, and blood pressure regulation.
5. Manganese (Mn): This metal is necessary for bone development, protein metabolism, and antioxidant defense. It acts as a cofactor for several enzymes.
6. Molybdenum (Mo): Molybdenum is essential for the function of certain enzymes involved in the metabolism of nucleic acids, proteins, and drugs.
7. Cobalt (Co): Cobalt is a component of vitamin B12, which plays a vital role in DNA synthesis, fatty acid metabolism, and nerve function.

Examples of toxic metals include:

1. Lead (Pb): Exposure to lead can cause neurological damage, anemia, kidney dysfunction, and developmental issues.
2. Mercury (Hg): Mercury is highly toxic and can cause neurological problems, kidney damage, and developmental issues.
3. Arsenic (As): Arsenic exposure can lead to skin lesions, cancer, neurological disorders, and cardiovascular diseases.
4. Cadmium (Cd): Cadmium is toxic and can cause kidney damage, bone demineralization, and lung irritation.
5. Chromium (Cr): Excessive exposure to chromium can lead to skin ulcers, respiratory issues, and kidney and liver damage.

Coordination complexes have been known since the beginning of modern chemistry. Early well-known coordination complexes include ... Activated complex IUPAC nomenclature of inorganic chemistry Coordination cage Coordination geometry Coordination isomerism ... are coordination complexes. Coordination complexes are so pervasive that their structures and reactions are described in many ... Metal complexes, also known as coordination compounds, include virtually all metal compounds. The study of "coordination ...
Transition metal thioether complexes comprise coordination complexes of thioether (R2S) ligands. The inventory is extensive. As ... Examples of homoleptic complexes [M(SR2)6]n+ are otherwise rare. Thioether complexes in nature arise from coordination of the ... The complex cis-VOCl2(SMeEt)2 exists as meso- and a pair of enantiomers. In complexes of thioethers of the type S(CH2R)2 (R ≠ H ... Musker, W. Kenneth (1992). "Coordination Chemistry of Bidentate Medium Ring Ligands (Mesocycles)". Coordination Chemistry ...
In organometallic chemistry, (diene)iron tricarbonyl describes a diverse family of related coordination complexes consisting of ... The inventory of complexes is large, and has been extended to steroidal and terpenoid substrates. Many of diene complexes were ... IR spectra of these complexes show nCO bands at 2040 and 1969. At low temperatures, the lower energy band splits, which has ... Often yields are modest because the complexes, which are often liquids, volatilize during workup. Especially for thermally ...
Dehnicke, Kurt; Krieger, M.; Massa, W. (1999). "Phosphoraneiminato Complexes of Transition metals". Coordination Chemistry ... Transition metal phosphinimide complexes are metal complexes that contain phosphinimide ligands of the general formula NPR3− (R ... Many transition metal phosphinimide complexes have been well-developed and, more recently, main group phosphinimide complexes ... The preferred coordination type varies with the oxidation state and coligands on the metal and the steric and electronic ...
A metal-phosphine complex is a coordination complex containing one or more phosphine ligands. Almost always, the phosphine is ... Unlike most metal ammine complexes, metal phosphine complexes tend to be lipophilic, displaying good solubility in organic ... complexes of phosphites, e.g., Ni[P(OEt)3]4 are useful catalysts for hydrocyanation of alkenes. Related complexes are known for ... The popularity and usefulness of phosphine complexes has led to the popularization of complexes of many related ...
... are coordination compounds containing carbonate (CO32-) and bicarbonate ( ... Protonation of carbonato complexes gives the corresponding bicarbonate. The structure of bicarbonate complex indicates that ... Structural studies on such complexes are, however, rare. Carbonato complexes are prepared by salt metathesis reactions using ... The inventory of complexes is large, enhanced by the fact that the carbonate ligand can bind metal ions in a variety of bonding ...
Heller, M.; Sheldrick, W. S. (2004). "Copper(I) Coordination Polymers with Alkanedithiol and -dinitrile Bridging Ligands". ... metal thiolate complexes can arise via deprotonation of thiol complexes. Many thiolate complexes are prepared by redox ... Most complexes contain other ligands in addition to thiolate, but many homoleptic complexes are known with only thiolate ... Metal thiolate complexes are commonly prepared by reactions of metal complexes with thiols (RSH), thiolates (RS−), and ...
2 charge on the overall complex. In some of these coordination complexes, the coordination is strongly ionic, localizing a +2 ... Ge(II) dicationic complexes refer to coordination compounds of germanium with a +2 formal oxidation state, and a + ... Due to this weak coordination, such Ge(II) crown ether complexes could be useful for the preparation of other germanium ... Examples of dicationic Ge(II) complexes are much rarer than monocationic Ge(II) complexes, often requiring the use of bulky ...
Dioxygen complexes are coordination compounds that contain O2 as a ligand. The study of these compounds is inspired by oxygen- ... Such complexes can be generated by treating low-valent metal complexes with oxygen. For example, Vaska's complex reversibly ... Several transition metals form complexes with O2, and many of these complexes form reversibly. The binding of O2 is the first ... The magnetic properties of some η2-O2 complexes show that the ligand, in fact, is superoxide, not peroxide. Most complexes of ...
... are a large family of coordination complexes containing the conjugate bases of the amino ... Complexes of the 3:1 stoichiometry have the formula is [M(O2CC(R)HNH2)3]z. Such complexes adopt octahedral coordination ... or tris complexes. For metal ions that prefer octahedral coordination, these complexes often adopt the stoichiometry M(aa)3 (aa ... These complexes exist in either the N or the O linkage isomers. It can be assumed that such monodentate complexes exist ...
Some complexes have fivefold coordination. N [ CH 2 CH 2 NMe 2 ] 3 {\displaystyle {\ce {N[CH2CH2NMe2]3}}} (tris(N,N-dimethyl-2- ... Nickel forms many coordination complexes. Nickel tetracarbonyl was the first pure metal carbonyl produced, and is unusual in ... Nickel tetrahedral complexes are often bright blue and 20 times or more intensely coloured than the octahedral complexes. The ... Nickel azide is complexed by one azo group when dissolved in water, but in other solvents, the nickel atom can have up to four ...
Photosynthesis, Coordination complexes, Copper proteins). ... In ordinary copper complexes involved in Cu(I)/Cu(II) redox ... Solomon EI, Hadt RG (2011). "Recent advances in understanding blue copper proteins". Coordination Chemistry Reviews. 255 (7-8 ... Cytochrome b6f complex and P700+ are both membrane-bound proteins with exposed residues on the lumen-side of the thylakoid ... complexes onto the oxidized Cu(II) site. However, a highly distorted tetrahedral geometry is induced upon the oxidized Cu(II) ...
Transition metal carboxylate complexes are coordination complexes with carboxylate (RCO2−) ligands. Reflecting the diversity of ... Homoleptic carboxylate complexes are usually coordination polymers. But exceptions exist. A molecular monocarboxylate is silver ... Selected Complexes of Carboxylates metal complex with the EDTA anion Ferric bis(iminodiacetate) Active site of hemerythrin, an ... These lipophilic complexes are used as catalysts in oxidation reactions, e.g. oil drying agents. Many methods allow the ...
Girolami, Gregory S.; Mainz, Vera V.; Andersen, Richard A. (1980-04-01). "Coordination complexes of tetrakis(trifluoroacetato) ... actinide Complexes and Their Radical Cations and Dications". Journal of Coordination Chemistry. 32 (1-3): 173-212. doi:10.1080/ ... Later model studies of C-H, B-H, and Si-H activation by transition metal complexes led to his current work on approaches to the ... These complexes were proposed to mimic the conversion of light to chemical energy in photosynthesis. Girolami's group ...
Many coordination complexes form double salts. Double salts should not be confused with complexes. Double salts only exist in ... the complex ion remains unchanged. Similarly, potassium hexaiodoytterbate(II) K4[YbI6] is a complex salt and contains the ... In many cases, the complex ion is indicated by square brackets "[ ]". Double salts are distinct from mixed-crystal systems ... it completely dissociates into simple ions while a hexaaquo complex does not; ...
Gysling, Henry J. (1979). "Coordination Complexes of Copper(I) Nitrate". Inorganic Syntheses. Inorganic Syntheses. Vol. 19. pp ... In aqueous solution, the hydrates exist as the aqua complex [Cu(H2O)6]2+. Such complexes are highly labile owing to the d9 ... The α form has only one Cu environment, with [4+1] coordination, but the β form has two different copper centers, one with [4+1 ... The crystal structures of anhydrous nitrates and their complexes. Part I. The α form of copper(II) nitrate". J. Chem. Soc. 1965 ...
Gysling, Henry J. (1979). "Coordination Complexes of Copper(I) Nitrate". Inorganic Syntheses. 19: 92-97. doi:10.1002/ ... Cu + AgNO3 + 4 CH3CN → [Cu(CH3CN)4]NO3 + Ag Tertiary phosphine complexes of the type [Cu(P(C6H5)3)3]NO3 are prepared by the ... The nitrate salt of the acetonitrile complex, i.e., [Cu(MeCN)4]NO3, is generated by the reaction of silver nitrate with a ...
In coordination chemistry, a transition metal NHC complex is a metal complex containing one or more N-heterocyclic carbene ... Organometallic chemistry, Transition metals, Coordination complexes, Coordination chemistry). ... Palladium-NHC complex Steven P. Nolan "N-Heterocyclic Carbenes in Synthesis" Wiley-VCH, 2006. ISBN 978-3-527-60940-6. Fortman, ... Compared to phosphine ligands, NHC ligands' cone angle is more complex. The imidazole ring of the NHC ligand is angled away ...
Ruthenium forms a variety of coordination complexes. Examples are the many pentaammine derivatives [Ru(NH3)5L]n+ that often ... Like iron, ruthenium does not readily form oxoanions and prefers to achieve high coordination numbers with hydroxide ions ... Roper's complex). Heating solutions of ruthenium trichloride in alcohols with triphenylphosphine gives tris(triphenylphosphine) ... ruthenium dichloride (RuCl2(PPh3)3), which converts to the hydride complex chlorohydridotris(triphenylphosphine)ruthenium(II) ( ...
The coordination complexes [Co(NH3)5(NO2)]2+ and [Co(NH3)5(ONO)]2+ provided an early example of linkage isomerism. This ... Penland, R.; Lane, T.; Quagliano, J. (1956). "Infrared Absorption Spectra of Inorganic Coordination Complexes. VII. Structural ... Cobalt complexes, Cobalt(III) compounds, Ammine complexes, Chlorides). ... Brasted, R.; Hirayama, C. (1959). "An Examination of the Absorption Spectra of Some Cobalt(III)-Amine Complexes. Effect of ...
The coordination complexes of iridium are extensive. Iridium in its complexes is always low-spin. Ir(III) and Ir(IV) generally ... Related half-sandwich complexes were central in the development of C-H activation. Iridium complexes played a pivotal role in ... Polyhydride complexes are known for the +5 and +3 oxidation states. One example is IrH5(PiPr3)2. The ternary hydride Mg 6Ir 2H ... As for many elements, the chlorides are key complexes. Hexachloroiridic(IV) acid, H 2IrCl 6, and its ammonium salt are the most ...
"Coordination Chemistry of Sugar-Phosphate complexes" (PDF). Retrieved 2018-02-07. Sugar+Phosphates at the U.S. National Library ...
Martí-Rujas, Javier; Guo, Fang (2021). "Dehydrohalogenation reactions in second-sphere coordination complexes". Dalton Trans. ... Some metal-organic coordination compounds can eliminate hydrogen halides, either spontaneously, thermally, or by ... "Reversible Extrusion and Uptake of HCl Molecules by Crystalline Solids Involving Coordination Bond Cleavage and Formation". J. ...
"Coordination Chemistry of Mononuclear Iron Carbonyl Complexes". Coordination Chemistry Reviews. 178-180: 331-351. doi:10.1016/ ... Brunet, J.-J.; Kindela, F. B.; Neibecker, D. (1992). "Trans-Tricarbonylbis(Phosphine)Iron(0) Complexes: One-Pot Syntheses from ... Brunet, J.-J.; Kindela, F. B.; Neibecker (1996). "One-Pot Synthesis of Dicarbonyltris(Phosphane)Iron(0) Complexes from ... KHCO3 Potassium tetracarbonyliron hydride is an intermediate in the synthesis of trisubstituted phosphine complexes: K[HFe(CO)4 ...
Đorđević, C.; Katović, V. (1970). "Co-ordination complexes of niobium and tantalum. Part VIII. Complexes of niobium(IV), ... TaCl5 forms stable complexes with ethers: TaCl5 + R2O → TaCl5(OR2) (R = Me, Et) TaCl5 also reacts with phosphorus pentachloride ... The dimeric structure is retained in non-complexing solvents and to a large extent in the molten state. In the vapour state, ... Bullock, J. I.; Parrett, F. W.; Taylor, N. J. (1973). "Some metal halide-phosphorus halide-alkyl halide complexes. Part II. ...
Mehrkhodavandi also studied cationic lanthanide coordination complexes. Mehrkhodavandi pursued graduate studies at the ... Her group has a specific interest in the formation of catalysts, such as chiral dinuclear indium complexes, that allow for ... In recent works, Mehrkhodavandi writes about the role of the first alkoxide-bridged indium complex and the zinc analogues as ... The article pertains to how the indium complex bearing either the chiral or achiral ligand allows for the polymerization of ...
Many related coordination complexes have been tested. as the oxygen reduction reaction catalyst and different electrocatalysis ... Cytochrome oxidase affects the oxygen reduction reaction by binding O2 in a heme-Cu complex. In laccase, O2 is engaged and ... Detailed mechanistic work results from studies on transition metal dioxygen complexes, which represent models for the initial ... "Electronic structure engineering to boost oxygen reduction activity by controlling the coordination of the central metal". ...
... coordination complexes. The oxide (PtO2) is amphoteric, with acidic properties predominating; it can be fused with alkali ... note that astatide ions should form strong complexes with soft metal cations such as Hg2+, Pd2+, Ag+ and Tl3+; they list the ... Abbreviations: MH-Mohs hardness; BCN-bulk coordination number. Platinum is a moderately hard metal (MH 3.5) of low mechanical ... These elements exhibit complex structures and significant departures from typically metallic properties. Aluminum, although ...
... forms a variety of coordination complexes. Examples are the many pentaammine derivatives [Ru(NH3)5L]n+ that often ... Ruthenium-centered complexes are being researched for possible anticancer properties. Compared with platinum complexes, those ... Some ruthenium complexes absorb light throughout the visible spectrum and are being actively researched for solar energy ... Ruthenium complexes are highly active catalysts for transfer hydrogenations (sometimes referred to as "borrowing hydrogen" ...
coordination complex A chemical compound consisting of a central atom or ion, usually metallic and known as the coordination ... Many metal-containing compounds, especially those of the transition metals, are coordination complexes. See also complex. ... See also coordination complex. compound A substance that is made up of two or more chemically bonded elements. Compton rule An ... aquation The process by which water molecules solvate or form coordination complexes with ions. aqueous solution A solution in ...
Coordination complexes have been known since the beginning of modern chemistry. Early well-known coordination complexes include ... Activated complex IUPAC nomenclature of inorganic chemistry Coordination cage Coordination geometry Coordination isomerism ... are coordination complexes. Coordination complexes are so pervasive that their structures and reactions are described in many ... Metal complexes, also known as coordination compounds, include virtually all metal compounds. The study of "coordination ...
Learn Isomerism in Coordination Complexes with free step-by-step video explanations and practice problems by experienced tutors ... The complex [Fe(NH3)5OCN]2+ has two isomers. Draw their structures. ...
Free coordination functions on the ligand environment periphery, namely scorpionate PPy3 and the C [[triple bond, length as m ... A set of alkynyl-tris(2-pyridyl)phosphine Au(I) complexes was synthesized and characterized. Free coordination functions on the ... C) coordination modes. Single-crystal and powder XRD, NMR, and XPS techniques were used to characterize the coordination ... Luminescence behaviour of Au(i)-Cu(i) heterobimetallic coordination polymers based on alkynyl-tris(2-pyridyl)phosphine Au(i) ...
CALCULATIONS, DENSITY-FUNCTIONAL, ENANTIOFACE-BINDING, HYDROGEN-BOND ACTIVATION, IRON-NITROSYL COMPLEXES, LIGAND CYANONITROSYL ...
Visualizing the coordination-spheres of photoexcited transition metal complexes with ultrafast hard X-rays. *Mark ... The concept of coordination sphere (CS) is central to the rational development of hierarchical molecular assemblies in modern ... The concept of coordination sphere (CS) is central to the rational development of hierarchical molecular assemblies in modern ... This objective calls for monitoring the ultrafast dynamics of the primary (1-CS) and the secondary (2-CS) coordination spheres ...
For both Yb and Eu complexes with a common coordination number and geometry (square antiprism (SAP) or twisted square antiprism ... Measurements of the free energy change associated with axial ligand exchange in a cationic europium tetraamide complex, [Eu( ... Correlation of optical and NMR spectral information with coordination variation for axially symmetric macrocyclic Eu(III) and ... Correlation of optical and NMR spectral information with coordination variation for axially symmetric macrocyclic Eu(III) and ...
The COMETE project will focus on earth-abundant-metal coordination complex polymers of Cu and Ni in redox-active ligand ... Moreover, the insolubility of the material is ensured by integrating the coordination complex in a low mass host polymer as ... In a first step, complexes will be synthesized and characterized physiochemically and electrochemically, from the molecule up ... coordination polymers are a very interesting family of material to develop a new kind of cathode material. Their ability to ...
The goal of this project was to synthesize an organic ligand that can be used to make a coordination complex with the ...
Les complexes et les films étudiés possèdent des propriétés photochromes et une activité rédox particulièrement prometteuses ... Dans une seconde partie, le motif photochrome est associé à des complexes métalliques dérivés du ligand terpyridine qui ... Complexes de coordination, matériaux moléculaires et dispositifs électroniques commutables intégrant le système photochrome ... Complexes de coordination, matériaux moléculaires et dispositifs électroniques commutables intégrant le système photochrome ...
What is complex coordination as a modality of innovation ... Complex Coordination. What is complex coordination as a ... Finally, complex coordination can be time-consuming and expensive.. Despite the challenges, complex coordination can be a ... Complex coordination can be seen in a variety of settings, such as the development of new drugs, the launch of new products, or ... Here are some examples of how Cladfy inc uses complex coordination as a modality of innovation:. *. The development of new ...
Alfa Chemistry can provide Cobalt Complexes for customers. ... Stability Test of Complexes * Magnetic Susceptibility Test of ... Ligands & Complexes are regarded as an important tool in daily life, industrial production and life science research. Alfa ... Benzenesulfonic acid, 4,4,4,4-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis-, cobalt complex. Inquiry. ... Chemistry has the ability to help developers solve the challenges of Ligands & Complexes in various applications. Alfa ...
In coordination complexes, these excitations typically happen within the metals d subshell, so it is usually sufficient to ... Why does silver oxide form a coordination complex when treated with ammonia? ... We realise that the of our complexes are average high spin octahedral complexes. For these, visible light absorption is always ... In relation to color of complexes, we only studied that the color of complexes is only due to (1) d-d transition: takes place ...
2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis. In: Dalton ... 2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis. / Zhang, Wenjuan; ... title = "2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis", ... 2-(N-Alkylcarboxamide)-6-iminopyridyl palladium and nickel complexes: coordination chemistry and catalysis. ...
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32+ with pendant bipyridines self-assemble multimetallic complexes by copper and zinc coordination. Inorganic chemistry, 47(15 ... 32+ with pendant bipyridines self-assemble multimetallic complexes by copper and zinc coordination, Inorganic chemistry, vol. ... 32+ with pendant bipyridines self-assemble multimetallic complexes by copper and zinc coordination. In: Inorganic chemistry. ... 32+ with pendant bipyridines self-assemble multimetallic complexes by copper and zinc coordination. Inorganic chemistry. 2008 ...
... supports the care of children across the state with chronic and complex medical needs. ... The Complex Care Coordination Unit (CCCU) supports the care of children across the state with chronic and complex medical needs ... The Complex Care Coordination Unit (CCCU) includes a Nurse Consultant and Senior Social Worker who provide support for children ... The Complex Care Nurse Consultant and/or Senior Social Worker work closely with relevant healthcare professionals to help ...
Leung WH, Lau KK, Zhang QF, Wong WT, Tang B. Ruthenium benzylidene and vinylidene complexes in a sulfur-rich coordination ... Ruthenium benzylidene and vinylidene complexes in a sulfur-rich coordination environment. Wa Hung Leung, Kwok Kin Lau, Qian ... Ruthenium benzylidene and vinylidene complexes in a sulfur-rich coordination environment. / Leung, Wa Hung; Lau, Kwok Kin; ... Ruthenium benzylidene and vinylidene complexes in a sulfur-rich coordination environment. In: Organometallics. 2000 ; Vol. 19, ...
Ternary Complex Formation and Coordination Modes of Am, Cm and Rare Earths with EDTA+NTA: Stability Constants, TRLFS and 13C ...
Oxoanion influences on the self-assembly of cationic co-ordination complex polymers of the nickel(II)-di-4-pyridylamine family. ... Oxoanion influences on the self-assembly of cationic co-ordination complex polymers of the nickel(II)-di-4-pyridylamine family ... Oxoanion influences on the self-assembly of cationic co-ordination complex polymers of the nickel(II)-di-4-pyridylamine family ... Dive into the research topics of Oxoanion influences on the self-assembly of cationic co-ordination complex polymers of the ...
Nitrogen-15 NMR coordination shifts of β-alanine and glycine in cobalt(III) complexes. / Juranić, N.; Macura, S. In: Inorganica ... Nitrogen-15 NMR coordination shifts of β-alanine and glycine in cobalt(III) complexes. Inorganica Chimica Acta. 1994 Mar;217(1- ... Juranić, N. ; Macura, S. / Nitrogen-15 NMR coordination shifts of β-alanine and glycine in cobalt(III) complexes. In: ... Juranić, N., & Macura, S. (1994). Nitrogen-15 NMR coordination shifts of β-alanine and glycine in cobalt(III) complexes. ...
Understanding intra-manufacturing network coordination : learnings from complex adaptive systems. Authors: Scherrer, Maike. ... M. Scherrer, P. Deflorin, and K. Schillo, "Understanding intra-manufacturing network coordination : learnings from complex ... "Understanding Intra-Manufacturing Network Coordination : Learnings from Complex Adaptive Systems." Conference paper. In 21st ... Understanding intra-manufacturing network coordination : learnings from complex adaptive systems. In: 21st International Annual ...
Coordination Closes Complex Claims. Like on the baseball diamond, a "double play" in workers comp demands a team mentality. ...
Tailoring Complex-Care Management, Coordination, and Integration for High-Need, High-Cost Patients Blumenthal D, Anderson G, ... nam.edu/wp-content/uploads/2016/09/Tailoring-Complex-Care-Management-Coordination-and-Integration-for-High-Need-High-Cost- ... patients and suggest policy options for a new federal administration to improve complex care management, care coordination, and ... The increasingly complex healthcare needs of the US population require a new vision and a new paradigm for the organization, ...
Chapter 20: Transition Metals and Coordination Complexes 30. 20.1: Properties of Transition Metals ...
Pilot Testing A Pediatric Complex Care Coordination Service in California The New York Fire and Rescue Community Services Unit ... Home - Hire Someone To Write My Economics Case Study - Pilot Testing A Pediatric Complex Care Coordination Service ... Pilot Testing A Pediatric Complex Care Coordination Service in California The New York Fire and Rescue Community Services Unit ... calls for the following medical andPilot Testing A Pediatric Complex Care Coordination Service The D.C. Office of Flight Safety ...
Care Coordination Training Curriculum. The IC4 coaching program accelerates the building of care coordination competencies ... Contact us for more information about the Indiana Complex Care Coordination Collaborative. ... Care Coordination Quality Improvement Measurement Quality improvement is a critical method used to propel each nurse care ... Care coordinators receive monthly reports on quality indicators and related care coordination activity to identify and monitor ...
Here a hydrogel toughening strategy based on the formation of robust coordination complexes between the hydrazide ligands and ... Toughening Hydrogels by Forming Robust Hydrazide-Transition Metal Coordination Complexes. Toughening Hydrogels by Forming ... Robust Hydrazide-Transition Metal Coordination Complexes. Ju, Huaqiang; Zhu, Qing Li; Zuo, Min; Liang, Songmiao; Du, Miao; ... Their mechanical properties show temperature dependence due to the dynamic nature of coordination bonds. In addition, the amine ...
Copper(II) complexes with pyridine-2,6-dicarboxylic acid from the oxidation of copper(I) iodide. Journal of Coordination ... Characterization by electron paramagnetic resonance spectroscopy of the coordination environment of copper in some copper(II) ... Characterization by electron paramagnetic resonance spectroscopy of the coordination environment of copper in some copper(II) ... complexes of asymmetric triazines having high superoxide dismutase activity. Bernard A. Goodman, Cornelia G. Palivan, Carol ...
Coordination properties of N,O-carboxymethyl chitosan (NOCC). Synthesis and equilibrium studies of some metal ion complexes. ... Cu(II), Ni(II), and U(VI) complexes with NOCC are isolated as solid complexes and characterized by conventional chemical and ... The stability constants of the complexes are determined and the concentration distribution diagrams of the complexes are ... The complex formation equilibria with the metal ions Cu(II), Ni(II), Co(II), Mn(II), and Zn(II) are investigated ...
... ... Zn(3-tba)2], 1, a 1-D coordination polymer synthesised as 1 DMA, 1α, transformed to a nonporous form, 1β, upon activation. 1β ... ray diffraction revealed that the second transformation resulted from Zn-carboxylate bond breakage and concomitant coordination ... underwent further transformation to the dimeric complex [Zn(3-tba)2(H2O)2], 2, above 40% RH. The reverse transformations, 2 to ...
  • A coordination complex is a chemical compound consisting of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents. (wikipedia.org)
  • The central atom or ion, together with all ligands, comprise the coordination sphere. (wikipedia.org)
  • Coordination refers to the "coordinate covalent bonds" (dipolar bonds) between the ligands and the central atom. (wikipedia.org)
  • A hydrated ion is one kind of a complex ion (or simply a complex), a species formed between a central metal ion and one or more surrounding ligands, molecules or ions that contain at least one lone pair of electrons. (wikipedia.org)
  • For example, the cobalt(II) hexahydrate ion or the hexaaquacobalt(II) ion [Co(H2O)6]2+ is a hydrated-complex ion that consists of six water molecules attached to a metal ion Co. The oxidation state and the coordination number reflect the number of bonds formed between the metal ion and the ligands in the complex ion. (wikipedia.org)
  • However, the coordination number of Pt(en)2+ 2 is 4 (rather than 2) since it has two bidentate ligands, which contain four donor atoms in total. (wikipedia.org)
  • Werner discovered the spatial arrangements of the ligands that were involved in the formation of the complex hexacoordinate cobalt. (wikipedia.org)
  • This parameter has been measured directly, by analysing the europium emission spectra for a series of eight- and nine-coordinate axially symmetric complexes based on cyclen including aza-carboxylate ligands (e.g. (open.ac.uk)
  • Ligands & Complexes are regarded as an important tool in daily life, industrial production and life science research. (alfa-chemistry.com)
  • Alfa Chemistry has the ability to help developers solve the challenges of Ligands & Complexes in various applications. (alfa-chemistry.com)
  • The 2-(N-alkylcarboxamide)-6-iminopyridine ligands (L1-L7) can bind as either mono-anionic tridentate NNN ligands on reaction with PdCl2(CH3CN)2, to form complexes LPdCl (C1-C7), or as neutral tridentate NNO ligands with NiCl2·6H2O, to produce complexes LNiCl2 (C8-C14). (uea.ac.uk)
  • Here a hydrogel toughening strategy based on the formation of robust coordination complexes between the hydrazide ligands and zinc ions is reported. (bvsalud.org)
  • The stability constant values of the binary and ternary complexes formed in solution were determined and the binding centers of the ligands were assigned. (edu.pl)
  • The ternary copper(II) complexes involving NOCC and various biologically relevant ligands containing different functional groups, as amino acids and DNA constituents are investigated. (edu.pl)
  • In fact, some complexes are known both in a high-spin and in a low-spin state with identical central metal and ligands. (stackexchange.com)
  • The complex being tetraamminediaquanickel(II) results in six ligands and thus an octahedral configuration. (stackexchange.com)
  • A series of ONO-tridentate Schiff base ligands derived from chiral and achiral amino alcohols and amino acids were synthesized and reacted with AlEt 3 to provide dimeric aluminum complexes. (acs.org)
  • As applied to coordination chemistry, this meaning has evolved. (wikipedia.org)
  • Coordination complexes have been known since the beginning of modern chemistry. (wikipedia.org)
  • The concept of coordination sphere (CS) is central to the rational development of hierarchical molecular assemblies in modern chemistry. (lu.se)
  • Directed self-assembly using inorganic coordination chemistry is an attractive approach for making functional supramolecular structures. (psu.edu)
  • Originally taken from Professor Klüfers' web scriptum of his coordination chemistry course at the LMU Munich . (stackexchange.com)
  • Gray, H. B. & Maverick, A. W. Solar chemistry of metal complexes. (nature.com)
  • Single-crystal and powder XRD, NMR, and XPS techniques were used to characterize the coordination polymers obtained. (rsc.org)
  • Heterobimetallic Au( I )-Cu( I ) coordination polymers demonstrate triplet photoluminescence which was studied by spectroscopic and computational methods to understand the pathway of energy transfer inside the chain of linked chromophore centres. (rsc.org)
  • By combining the advantage of both in a sole material, i.e. electron transfer centered on both the metal and the organic moieties, coordination polymers are a very interesting family of material to develop a new kind of cathode material. (anr.fr)
  • The COMETE project will focus on earth-abundant-metal coordination complex polymers of Cu and Ni in redox-active ligand backbone. (anr.fr)
  • The Complex Care Coordination Unit (CCCU) supports the care of children across the state with chronic and complex medical needs. (sa.gov.au)
  • The Complex Care Coordination Unit (CCCU) includes a Nurse Consultant and Senior Social Worker who provide support for children with high and complex health care needs and their families. (sa.gov.au)
  • This article explores key issues, spending implications and existing barriers to meeting the needs of high-need high-cost (HNHC) patients and suggest policy options for a new federal administration to improve complex care management, care coordination, and integration of services for this population. (healthsystemstransformation.org)
  • The IC4 coaching program accelerates the building of care coordination competencies within each group of new nurse care coordinators. (iu.edu)
  • Care coordinators receive monthly reports on quality indicators and related care coordination activity to identify and monitor program improvements at the individual and practice level. (iu.edu)
  • Composite scores for care coordination, shared plans of care and medical home principles have demonstrated progressive improvement over the course of the project. (iu.edu)
  • Contact us for more information about the Indiana Complex Care Coordination Collaborative. (iu.edu)
  • Pilot Testing A Pediatric Complex Care Coordination Service in California The New York Fire and Rescue Community Services Unit (YFSU) is a training service and day care center located in the Caltrain Regional complex city complex. (casepillar.com)
  • For adolescents with special find out conditions, YFFA® calls for the following medical andPilot Testing A Pediatric Complex Care Coordination Service The D.C. Office of Flight Safety and Transportation ( o f the DSU ), formed in April 2017 with the purpose of supporting safe and dedicated pilots in all flight segments. (casepillar.com)
  • The followingPilot Testing A Pediatric Complex Care Coordination Service to Outpatient Inpatient Care Patients There are many services available for pediatric pediatric patients to receive services, including clinical evaluation, assessment of quality of care, and evaluation of patients decisions to participate in healthcare and improve their quality of life. (casepillar.com)
  • In considering metal amine complexes, he theorized that the ammonia molecules compensated for the charge of the ion by forming chains of the type [(NH3)X]X+, where X is the coordination number of the metal ion. (wikipedia.org)
  • 15 N NMR chemical shifts of/g-alaninato chelates in cobalt(III) complexes were investigated in comparison to that of glycinato chelates, for the effect of trans influence and chelate ring size on amine nitrogen NMR coordination shifts. (elsevierpure.com)
  • The coordination shifts of both chelates are found to be about 20 ppm larger for an amine group trans to the oxygen ligator than for one trans to the nitrogen ligator in a complex. (elsevierpure.com)
  • In Bleaney's theory of magnetic anisotropy, the second-order crystal field coefficient, Bo2, is predicted to determine the dipolar NMR shift of paramagnetic lanthanide complexes in solution. (open.ac.uk)
  • A perspective on the advance of copper( II ) and zinc( II ) complexes of varied ligand architectures as binders of phosphorylated peptides/proteins and as sensors of phosphorylation reactions is presented. (rsc.org)
  • Copper(ii) complexes with short peptides based on the second cell binding site of fibronectin, PHSFN and PHSEN, have been characterized by potentiometric, UV-vis, CD, EPR and NMR spectroscopic methods. (cnr.it)
  • The central atoms or ion and the donor atoms comprise the first coordination sphere. (wikipedia.org)
  • The first was that Werner described the two possibilities in terms of location in the coordination sphere. (wikipedia.org)
  • He claimed that if the ions were to form a chain, this would occur outside of the coordination sphere while the ions that bound directly to the metal would do so within the coordination sphere. (wikipedia.org)
  • Thus, the assembly of a heterobimetallic coordination polymer from relatively simple 'building blocks' retains the block-wise nature of the electronic structure, but the photophysical properties of the polymer are fundamentally different from the properties of discrete organometallic components. (rsc.org)
  • Moreover, the insolubility of the material is ensured by integrating the coordination complex in a low mass host polymer as polyphosphazene, adding a safety flame retardant property. (anr.fr)
  • Mononuclear complexes ML2 (MII = Fe, Co, Cu, Zn) and porous coordination polymer [\Fe2NiO(Piv)6\\CoL2\1.5] n (LH is the Schiff base of pyridine-4-carboxylic acid hydrazide and pyridine-2-carbaldehyde, and Piv- is pivalate) were synthesized and characterized. (hal.science)
  • Originally, a complex implied a reversible association of molecules, atoms, or ions through such weak chemical bonds. (wikipedia.org)
  • Which of the following complex ions is not expected to absorb visible light? (stackexchange.com)
  • These data, and comparison to an acetyl aegmodified Ru(bpy) 3 2+ complex, confirm that the metal ions cross-link bpy-containing aeg strands. (psu.edu)
  • The complex formation equilibria with the metal ions Cu(II), Ni(II), Co(II), Mn(II), and Zn(II) are investigated potentiometrically. (edu.pl)
  • The relationships between the properties of the studied central metal ions as ionic radius, electronegativity, atomic number, and ionization potential, and the stability constants of the formed complexes were investigated in an effort to give information about the nature of chemical bonding in complexes and make possible the calculation of unknown stability constants. (edu.pl)
  • Many metal-containing compounds, especially those that include transition metals (elements like titanium that belong to the periodic table's d-block), are coordination complexes. (wikipedia.org)
  • Coordination complexes are so pervasive that their structures and reactions are described in many ways, sometimes confusingly. (wikipedia.org)
  • addition of Cu 2+ or Zn 2+ assembles heterometallic structures containing two or three transition-metal complexes. (psu.edu)
  • Each of these heterometallic structures represents a facile and reconfigurable means to construct multimetallic structures by metal-coordination-based self-assembly of modular artificial peptide units. (psu.edu)
  • addition of Cu2+ or Zn2+ assembles heterometallic structures containing two or three transition-metal complexes. (psu.edu)
  • The structures of the isolated solid complexes are proposed on the basis of the spectral and magnetic studies. (edu.pl)
  • the formation of such complexes is called chelation, complexation, and coordination. (wikipedia.org)
  • Ring-Opening Polymerization of ε-Caprolactone by Using Aluminum Complexes Bearing Aryl Thioether Phenolates: Labile Thioether Chelation. (acs.org)
  • In solutions containing Mg2+ and Ca2+, ATP is in equilibrium between the tetrabasic form (ATP4-) and its bidentate coordination complexes, i.e. (cdc.gov)
  • We sought evidence to determine whether contractions of the smooth muscle of the guinea pig vas deferens to ATP are in response to ATP4- or its bidentate complexes. (cdc.gov)
  • Juranić, N & Macura, S 1994, ' Nitrogen-15 NMR coordination shifts of β-alanine and glycine in cobalt(III) complexes ', Inorganica Chimica Acta , vol. 217, no. 1-2, pp. 213-215. (elsevierpure.com)
  • We realise that the of our complexes are average high spin octahedral complexes. (stackexchange.com)
  • The next step should be to consider the molecular orbital scheme of an octahedral complex (although the d-orbitals alone carry all the necessary information so even the crystal field model can answer it). (stackexchange.com)
  • Measurements of the free energy change associated with axial ligand exchange in a cationic europium tetraamide complex, [Eu(DOTAMPh)](CF3SO3)3 supported by a simple electrostatic perturbation model, have been interpreted in terms of a predominant donor atom polarisation model which affords a simple assessment of Ln ion donor atom preference and ranks the axial second-order ligand field coefficient. (open.ac.uk)
  • Synthesis and equilibrium studies of some metal ion complexes. (edu.pl)
  • Synthesis of Ultrahigh Molecular Weight PLAs Using a Phenoxy-Imine Al(III) Complex. (acs.org)
  • Achieving similar control for photoexcited molecular complexes is necessary to advance the design of light-driven functionalities. (lu.se)
  • An understanding at the molecular level of how transition-metal complexes catalyse reactions, and in particular of the role of the short-lived and reactive intermediate states involved, will be critical for such optimization. (nature.com)
  • The molecular structure of complex has been determined by the single crystal X-ray diffraction. (ogu.edu.tr)
  • 1β underwent further transformation to the dimeric complex [Zn(3-tba)2(H2O)2], 2, above 40% RH. (ul.ie)
  • Some new Schiff base metal complexes of Co(II), Ni(II) and Cu(II) derived from 3-chloro-4-fluoroaniline (HL 1 ) and 4-fluoroaniline (HL 2 ) with 2-thiophenecarboxaldehyde have been synthesized and characterized by elemental analysis, FT-IR, FAB-mass, molar conductance, electronic spectra, ESR and magnetic susceptibility. (hindawi.com)
  • in terms of coordination theory. (stackexchange.com)
  • In this work we show that this is not the case and in fact there could be an optimum level of coarse-graining which will result in better global outcomes in terms of coordination. (auth.gr)
  • By contrast, carrying out the reaction in dichloromethane rather than acetonitrile, in the presence of malononitrile (CNCH2CN), resulted in the formation of the bimetallic palladium complex [L3Pd(CNCH2CN)PdL3]·2[BF4] (C16). (uea.ac.uk)
  • Bengali, A. A., Bergman, R. G. & Moore, C. B. Evidence for the formation of free 16-electron species rather than solvate complexes in the ultraviolet irradiation of CpCo(CO)2 in liquefied noble gas solvents. (nature.com)
  • Gene mutations that cause mitochondrial complex V deficiency impair the formation or function of complex V. As a result, complex V activity is reduced and oxidative phosphorylation is impaired. (medlineplus.gov)
  • For both Yb and Eu complexes with a common coordination number and geometry (square antiprism (SAP) or twisted square antiprism (TSAP)), the dipolar NMR shift correlates very well with this parameter, which also determines the sign and magnitude of a major CD band in the near-IR CD spectra of a series of enantiopure Yb complexes. (open.ac.uk)
  • Single crystal X-ray diffraction revealed that the second transformation resulted from Zn-carboxylate bond breakage and concomitant coordination of water molecules. (ul.ie)
  • Correlating this structural information in real-space reveals the interlacing of the two CS, which in turn explains why solvation affects the photoinduced electronic and structural dynamics in this class of complexes. (lu.se)
  • Chergui, M. On the interplay between charge, spin and structural dynamics in transition metal complexes. (nature.com)
  • You always need to consider the big picture to determine whether a high spin or low spin complex will result. (stackexchange.com)
  • The antimicrobial results also indicate that the metal complexes are better antimicrobial agents as compared to the Schiff bases. (hindawi.com)
  • This objective calls for monitoring the ultrafast dynamics of the primary (1-CS) and the secondary (2-CS) coordination spheres on the atomic scale, which remains to date an important experimental challenge for short-lived species. (lu.se)
  • In relation to color of complexes, we only studied that the color of complexes is only due to (1) d-d transition: takes place in species $d^1$ to $d^9$ (2) charge transfer theory: for $\ce{MnO4^-}$ $\ce{Mn}^{+2}$ a case of $d^0$ oxoanion. (stackexchange.com)
  • For Each Metal Complex, Give The Coordination Number For The Metal Species. (answerstohomework.com)
  • The number of ligand atoms to which the metal center is directly bonded is the metal cation's coordination number, and this number is always greater than the regular valence or oxidation number of the metal. (bvsalud.org)
  • All metal complexes were characterized by IR spectroscopy and elemental analysis, and in the case of the palladium complexes, by 1H and 13C NMR spectroscopy. (uea.ac.uk)
  • A coordination complex can be negative, neutral, or positively charged. (bvsalud.org)
  • In a typical complex, a metal ion is bonded to several donor atoms, which can be the same or different. (wikipedia.org)
  • The number of donor atoms attached to the central atom or ion is called the coordination number. (wikipedia.org)
  • Upon activation with diethylaluminium chloride, all the nickel complexes showed high activity for ethylene dimerization. (uea.ac.uk)
  • Some metal complexes are formed virtually irreversibly and many are bound together by bonds that are quite strong. (wikipedia.org)
  • Heterometallic complexes containing bound Cu 2+ cause a dramatic reduction in the Ru(bpy) 3 2+ quantum yields and lifetimes. (psu.edu)
  • We argue that manufacturing networks need to be analysed as complex adaptive systems (CAS). (zhaw.ch)
  • In this work, we address the question of how such coarse-graining can affect the emergent coordination of agents in a complex adaptive system. (auth.gr)
  • To address the issue of the effect of information coarse-graining on the emergent coordination, we use a paradigmatic complex adaptive system in which one can study these issues in a precise way. (auth.gr)
  • Complexes 1 and 8 are active catalysts for ring-opening metathesis polymerization of norbornene. (edu.hk)
  • Their mechanical properties show temperature dependence due to the dynamic nature of coordination bonds. (bvsalud.org)
  • At the same time they are adjusting to life with a child who has high and complex health care needs. (sa.gov.au)
  • This group, "high-need, high-cost" (HNHC) people, makes up our nation's sickest and most complex patient population. (healthsystemstransformation.org)
  • It is also found that β-alanine exhibits on average 10 ppm smaller coordination shifts. (elsevierpure.com)
  • In the first study of its kind to explore the neural pathways involved in swallow-breathing coordination, researchers at Seattle Children's Research Institute's Center for Integrative Brain Research found that the rhythm generator in the brainstem called the preBötzinger complex that controls the ability to take a breath also affects the ability to swallow in tandem. (seattlechildrens.org)
  • Often, the interactions between these agents recur and the information generated from these interactions collectively, takes the form of some global cues available to all agents of the complex system. (auth.gr)
  • There are a number of challenges associated with complex coordination. (cladfy.com)
  • Despite the challenges, complex coordination can be a powerful tool for innovation. (cladfy.com)
  • It is our aim to show how the understanding of CAS helps to describe the challenges of manufacturing network coordination. (zhaw.ch)
  • These are complex challenges that require enhanced coordination and rapid response," the Ambassador added. (who.int)
  • Effective human rights work takes collaboration and coordination among diverse stakeholders to address complex and interconnected human rights challenges around the world. (lu.se)
  • The most common coordination numbers are 2, 4, and especially 6. (wikipedia.org)
  • A critical first step to match interventions to patients' needs is population segmentation, dividing patients into groups that have common needs so that specific complex care-management interventions can be targeted to the people who are most likely to benefit (e.g. (healthsystemstransformation.org)
  • Another common feature of mitochondrial complex V deficiency is hypertrophic cardiomyopathy. (medlineplus.gov)
  • Coordination properties of N,O-carboxymethyl chitosan (NOCC). (edu.pl)
  • Mitochondrial complex V deficiency is a shortage (deficiency) of a protein complex called complex V or a loss of its function. (medlineplus.gov)
  • This gene provides instructions for making a protein called transmembrane protein 70, which is thought to play an important role in assembling and stabilizing complex V. Mutations in the TMEM70 gene reduce the amount of complex V that is formed, leading to the signs and symptoms of mitochondrial complex V deficiency. (medlineplus.gov)
  • He paid tribute to the efforts of the Pakistani people and to the coordination between his Government, WHO, other United Nations agencies, and national and international nongovernmental organizations. (who.int)
  • CalAIM is designed to dismantle forms of structural racism by investing nearly $2 billion in helping Medicaid health plans and medical providers forge stronger alliances with local social service organizations and public health agencies in addressing the complex health and social needs of Medicaid beneficiaries, including paying for nonmedical services needed by these beneficiaries. (systemsforaction.org)