Significant coordination complexes. Medical search. Frequent questions

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)
The development of ligand-field theory in quantum chemistry has provided useful tools for exploring the metal-ligand cooperativity in coordination compounds as well as the related redox processes 5 , 6 , 7 . (nature.com)

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)
Originally, a complex implied a reversible association of molecules, atoms, or ions through such weak chemical bonds. (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)
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)
They're also referred to as complex ions or coordination complexes since they're Lewis acidity-base complexes. (ihelptostudy.com)
The ions or molecules that bind to transition-metal ions to create these complexes are known as ligands (from Latin, to tie or bind). (ihelptostudy.com)
However, only two Cl - ions within the CoCl3 5 NH3 complex and just among the Cl - ions in CoCl3 4 NH3 could be precipitated with Ag + ions. (ihelptostudy.com)
Measurements from the conductivity of aqueous solutions of those complexes claim that the CoCl3 6 NH3 and CoCl3 5 NH3 H2 O complexes dissociate in water to provide as many as four ions. (ihelptostudy.com)
In each one of the cobalt(III) complexes formerly described, three Cl - ions are necessary to fulfill the primary valence from the Co 3+ ion. (ihelptostudy.com)
G. N. Lewis was the first one to notice that the response from a transition-metal ion and ligands to create a coordination complex was similar towards the reaction between your H + and OH - ions to create water. (ihelptostudy.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)
A minimum of three different cobalt(III) complexes could be isolated when CoCl2 is dissolved in aqueous ammonia after which oxidized by air towards the +3 oxidation condition. (ihelptostudy.com)
The reactivity from the ammonia during these complexes continues to be drastically reduced. (ihelptostudy.com)

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)
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)
One of the major challenges associated with the coordination complexes of calcium is their propensity to undergo ligands redistribution, or "Schlenk" equilibria. (findaphd.com)
This is a significant problem in relation to their catalytic performance, and ligands need to be designed that are able to control or supress these processes. (findaphd.com)
In order to achieve our aims in catalysis, a significant amount of effort is spent on the development of new chiral ligands: we have recently reported a general route to a class of N-functionalised ethylene diamines,[1] which can be employed either as ligands in their own right, or as precursors for preparing imidazoline ligands. (findaphd.com)
Therefore, the ion centers act as active sites of the metallo-gallate complex that can donate electrons from the gallate ligands to ambient free oxygen molecules for the oxygen reduction and reactive oxygen species (ROS) generation 3 , after which the ligand field around iron center attenuates due to the electron loss from gallate 12 . (nature.com)
Based on his theory, the ligands in six-coordinate cobalt(III) complexes are oriented toward the corners of the octahedron, as proven within the figure below. (ihelptostudy.com)
We obtained the crystal structure of the monomeric titanium complex 2 ( Fig. 4 ) by slow crystallization from 1 in ethylene glycol solvent, where labile isopropoxide ligands were replaced by ethylene glycol, which did not chelate in the system, but instead bound to Ti and formed a hydrogen bond with the NH group. (rsc.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)
Although coordination complexes are particularly significant within the chemistry from the transition metals, some primary group elements also form complexes. (ihelptostudy.com)

Both the position of the y-band and the general shape of the UV-visible spectra of these complexes show significant solvent dependence as the polarity of the solvent is varied. (scielo.org.za)

they are complex systems that require effective management, coordination, and cooperation among all stakeholders. (ghanawaves.com)
Who works with human rights?Effective human rights work takes collaboration and coordination among diverse stakeholders to address complex and interconnected human rights challenges around the world. (lu.se)

As emergencies grow more complex, the responses will too. (blackberry.com)
To ensure better communication and coordination during emergencies, Niagara Region needed to consolidate. (blackberry.com)
It is used for all kinds of emergencies and is applicable to small, as well as large and complex, incidents. (cdc.gov)

The researchers suggest that 'temporal disintegration', seen at higher doses, can account for this phenomenon and may play a significant underlying role in a number of other cannabis effects, including depersonalization, a sense of timelessness, and perhaps acute psychotic or panic reactions. (druglibrary.net)
Cannabis can impair performance of complex tasks. (trb.org)

Research in the Ward group is concerned with the catalytic applications of main group and early transition metal organometallic and coordination complexes. (findaphd.com)
Werner assumed the secondary valence from the transition metal during these cobalt(III) complexes is six. (ihelptostudy.com)
Werner assumed that transition-metal complexes had definite shapes. (ihelptostudy.com)
Transition-metal complexes happen to be characterised with coordination figures that vary from 1 to 12, but the most typical coordination figures are 2, 4, and 6. (ihelptostudy.com)

Complex logistics network and coordination requirements. (fulfillmen.com)
The program exposes learners to career exploration in the logistics field and offers trainees the opportunity to make a significant contribution to effectiveness in this area. (kccd.edu)

A cease-fire is a complex operational undertaking that requires significant and ongoing coordination to avoid incidents. (turkishpress.com)
To reach that step will require, among other things, training senior administrators - e.g., agency directors and department heads - in the course "Advanced ICS for Command and General Staff for Complex Incidents and Multi-Agency Coordination" (ICS-400). (domesticpreparedness.com)

Traditionally, this would involve numerous legal documents, complex negotiations regarding intellectual property rights, and significant coordination efforts among all parties involved. (cometwwsolutions.com)

The market for service parts and its supply chain is quite substantial, with a significant impact on manufacturers. (abiresearch.com)
The work requires substantial coordination, integration, and decisions involving various complex and critical work assignments, projections, and administrative issues. (usajobs.gov)

The coordination and collaboration on the ground was a sight to see,' explains Heather Olszewski, a CERT volunteer. (blackberry.com)

Additionally, the service parts supply chain often involves a vast network of suppliers, making coordination and communication complex. (abiresearch.com)
Our research involves a significant amount of organic and inorganic syntheses, catalyst testing and optimisation, and mechanistic determination using state-of-the-art spectroscopic techniques and computational modelling methods. (findaphd.com)

We investigate the formation/re-dissociation mechanisms of hybrid complexes made from negatively charged PAA2k coated g-Fe 2 O 3 nanoparticles (NP) and positively charged polycations (PDADMAC) in aqueous solution in the regime of very high ionic strength (I). When the building blocks are mixed at large ionic strength (1 M NH 4 Cl), the electrostatic interaction is screened and complexation does not occur. (cea.fr)
and are conducive to mechanisms of coordination, which enhance substantive coherence. (lse.ac.uk)

In a typical complex, a metal ion is bonded to several donor atoms, which can be the same or different. (wikipedia.org)

Despite growing awareness about methane, many significant barriers remain. (abtassociates.com)
Other barriers to foreign investment that have been reported include difficulties in government coordination, the slow rate of land acquisition for infrastructure projects, weak enforcement of contracts, bureaucratic inefficiency, and delays in receiving refunds for advance corporate tax overpayments from tax authorities. (state.gov)
Companies have reported that energy and mining still face significant foreign investment barriers. (state.gov)

5,10 The mc binding mode is analogous to that of a previously synthesized N -alkyl titanium hydroxamate complex, and in the natural product ferrichrome in which an N -alkyl hydroxamic acid chelates iron. (rsc.org)
Synthesis of a series of Ti-hydroxamate complexes from phenylhydroxamic acid precursors allowed for spectral comparisons to functionalized TiO 2 surfaces. (rsc.org)
Treatment of Ti( IV ) isopropoxide with phenylhydroxamic acid (NH-PHA) forms the cis -bis-phenylhydroxamate-bis-isopropoxide Ti( IV ) complex 1 . (rsc.org)

Research shows that care coordination reduces 30-day readmission rates , and lower admission rates are a strong indicator of higher quality care. (anthem.com)
The Declaration reduces the status of the coordination rules to an "agreement to consider addressing" them in light of future movement of persons, three degrees of separation from where the Withdrawal Agreement is now. (rte.ie)

These complexes don't interact with muriatic acidity, even at 100 o C. (ihelptostudy.com)
Each dimension of change is complex and all of them interact. (nationalacademies.org)

Coordination of care processes can be expensive and complex, and many healthcare providers need more talent and infrastructure to implement care coordination at scalable levels. (anthem.com)

The core structural difference between HICs and regime complexes is the greater diversity of institutional forms within HICs. (lse.ac.uk)
Molecular titanium( IV ) phenylhydroxamate complexes were synthesized as structural and spectroscopic models, and compared to functionalized TiO 2 nanoparticles. (rsc.org)

Timely delivery and efficient handling of parts across different geographies and centers also pose significant logistical challenges. (abiresearch.com)

Complex regional pain syndrome (CRPS) is chronic neuropathic pain that follows soft-tissue or bone injury (type I) or nerve injury (type II) and lasts longer and is more severe than expected for the original tissue damage. (msdmanuals.com)

While improving patient outcomes through higher quality care is the top priority of the value-based care model, care coordination offers several other advantages, including cost reduction, data loss prevention, and an improved experience across the care continuum. (anthem.com)
Hydroxamic acids are relatively new anchoring groups in the context of surface functionalization, with significant advantages over the more common carboxylic acids and phosphonic acids for photoelectrochemical devices. (rsc.org)

She handled all types of complex white collar and violent criminal cases from investigation through appeal, including spearheading sex trafficking prosecution efforts, managing dozens of federal prosecutors, and supervising complex, high-profile, federal, state and local public corruption and civil rights investigations and prosecutions. (dlapiper.com)
CDC IT and Data Governance (ITDG) has the important responsibility of leading and providing oversight for these critical efforts, making clear that successful completion of the initiatives will bring significant benefits to the agency and its programs. (cdc.gov)

Of the mental abilities so far tested, acute impairment is found more consistently with complex tasks than with simple ones, and with high doses rather than medium or low quantities. (druglibrary.net)
Performance on complex tasks apparently requiring sustained attention and short-term memory are most often impaired in laboratory studies, although significant effects have also been found on simple tests at very high doses. (druglibrary.net)

Such peculiar behavior is driven by the inner structure of the complexes that are formed after desalting. (cea.fr)

There are several factors at play, but failures in care coordination alone account for as much as $78.2 billion of that waste every year . (anthem.com)
In addition to controlling the cost of care, value-based care focuses on improving patient outcomes with drastic improvements for care coordination between doctors, hospitals, and other providers. (anthem.com)
Better care coordination means patients (including your employees) receive higher quality, more effective care. (anthem.com)
What Is Value-Based Care, And What Role Does Care Coordination Play? (anthem.com)
That's where care coordination comes in. (anthem.com)
Improving care coordination presents significant obstacles for the healthcare industry. (anthem.com)

Attacking an adversary requires significant coordination and communication between a commander and their fighters. (af.mil)
A lot of emergency management is coordination and communication between different bodies," Durfey continues. (blackberry.com)
The delivery room is a complex system that requires the interplay and coordination of a multitude of factors, including provider training, teamwork, communication, proper equipment, and an appropriate space. (chop.edu)

Early well-known coordination complexes include dyes such as Prussian blue. (wikipedia.org)

Directs and supervises staff with regard to acquisition, design, and acceptance of highly complex FAA-wide training systems. (usajobs.gov)
These co-ordination rules, and the social security and tax systems they relate to, are highly complex and difficult to understand. (rte.ie)
optimally, that coordination is achieved by using several tried and proven systems spelled out elsewhere in the ICS literature. (domesticpreparedness.com)
HF has been applied to complex systems across almost all industries, most notably aviation, helping to improve safety and efficiency. (chop.edu)
Humans are a fundamental component of any system: They are uniquely able to function in uncertainty and make trade-offs, and they can create safety in complex systems. (chop.edu)
Complex systems are inherently unsafe: They always function at the limits of capacity, and they require safety to be traded for other aspects of system performance. (chop.edu)
Healthcare, like any other industry, is filled with complex systems, which human factors can help streamline and improve. (chop.edu)
The delivery room is one of these complex systems. (chop.edu)
Patient access and orchestration can be a complex process that needs significant coordination, especially with increased M&A activity within health systems and the overarching need to create systemness. (histalk.com)

Co-ordinator (co-ordination) of the organisational aspects of a complex financing transaction (e.g. acquisition finance or corporate finance). (unicreditgroup.eu)

During the past three years, numerous political jurisdictions and emergency-response organizations have committed significant personnel and other resources to accomplish or complete various NIMS-related training programs, often with the understandable but not quite accurate expectation that they would be "done" when they reached the next level or step in the training framework. (domesticpreparedness.com)

When it comes to the management of significant wealth, quality recommendations beat quantity. (raymondjames.com)
Throughout her career, Vineta has been coordinating the implementation of numerous complex projects, therefore she also gained significant experience in project coordination and management. (technopolis-group.com)
The biggest challenge in emergency management right now is coordination. (blackberry.com)

Ce 3+ was found to form highly charged complexes with a mean coordination number between 7 and 8, with the shell containing mostly chloride, followed by water. (lu.se)

Project challenges included a very tight time frame for a significant scope of work. (algihaz.com)

Flying an aircraft is a highly complex task requiring a significant level of cognitive function and psychomotor coordination. (trb.org)
The arrangement also covers specialist healthcare and support for residents with a learning disability and autistic people with highly complex needs, including Kent residents admitted to specialist hospitals located both in and outside Kent. (kent.gov.uk)

Japan shares this risk and has focused its growing defense budget on meeting the threat, but a significant incident in the Sea of Japan could create insurmountable domestic pressures to refocus elsewhere. (heritage.org)

As service must support legacy products, there can be a complex web of interchangeable parts that share the same fit and function. (abiresearch.com)
Despite the abundant evidence for cerebellar involvement in ASD, it remains unclear which changes in cerebellar function have a significant behavioural impact. (nature.com)
To examine which cerebellar synaptic alterations might contribute to motor deficits in autism, we studied cerebellar synaptic function and plasticity as well as motor coordination and learning in a mouse model for the human 15q11-13 duplication. (nature.com)
The circadian system is a complex coordination of biological rhythms which help our body function. (cdc.gov)

The most common coordination numbers are 2, 4, and especially 6. (wikipedia.org)

Project execution required complex coordination of international supplies from over 10 countries. (algihaz.com)
At present, the number of people in the world, living in extreme poverty and hunger surpasses one billion and inequalities between and within countries remain a significant challenge. (who.int)

While these adjustments can accumulate and lead to significant change over time (as if a road bike were able to morph into a mountain bike after repeatedly encountering rocky terrain), this type of change differs meaningfully from situations where internal changes magnify the initial shock, leading to a fast (and likely traumatic) reorganization. (humansandnature.org)
All pediatricians spent significant time in the delivery room during their training, and many continue to visit the delivery room as part of their careers. (chop.edu)

Given the complex interaction of patient, provider, and environmental factors, there is a critical knowledge gap about how to optimize this setting to maximize our ability to perform effective NRP. (chop.edu)

The proteins produced from these genes work together as part of a group of proteins called the general transcription factor 2 H (TFIIH) complex. (medlineplus.gov)

Knowledgeable advisors, too, will focus on more intricate elements like changes to complex legislation and tax codes. (raymondjames.com)

Types of complexes using these coordination figures receive within the table below. (ihelptostudy.com)
The R&D credit can offer significant financial benefits if your company qualifies to receive it . (mossadams.com)

Rather, they are governed by "hybrid institutional complexes" (HICs) comprising heterogeneous interstate, infra-state, public-private and private transnational institutions, formal and informal. (lse.ac.uk)

One of our recent highlights has been the development of chiral calcium complexes for the asymmetric hydroamination of amino-olefins. (findaphd.com)
The Minister opined that this year's African Border Day celebration is a very significant one as it calls on all of Africa to reflect on the importance of the borders to national and regional security, stability, and sustainable development. (ghanawaves.com)
Many experts from both within and outside the Department played a significant role in its development. (cdc.gov)

For these fundamentally important and complex initiatives to succeed, coordinated involvement from individuals across the agency is necessary to ensure requirements are well understood, adequate resources are made available, and duplication is avoided across workstreams. (cdc.gov)

Coordination at the international level on policy best practices will send important signals to project developers and facility owners who seek to capitalize on methane recovery technology and financial institutions that struggle with perceptions that methane capture and use is unproven. (abtassociates.com)

426,427,611,612 Significant impairment was found on a goal directed serial arithmetic task under some conditions, but not under others. (druglibrary.net)

The Indonesian government is seeking to streamline the business license and import permit process, which has been plagued by complex inter-ministerial coordination in the past, through the establishment of a "one stop shop" for risk-based licenses and permits via an online single submission (OSS) system at the Indonesia Investment Coordinating Board (BKPM). (state.gov)
Even more interest was expressed by representatives from businesses and major educational, health, government, and civil society institutions present in the area, given their need for coordination with clients, members, and other institutions. (dot-com-alliance.org)

Chemicals and Drugs5

Technology, Industry, Agriculture1

Compounds2

Ions10

Ammonia3

Ligands11

Chemistry3

Spectra1

Stakeholders2

Emergencies3

Cannabis2

Transition metal4

Logistics2

Incidents2

Intellectual1

Substantial2

Collaboration1

Involves2

Mechanisms2

Metal ion1

Barriers3

Acid3

Reduces2

Interact2

Implement1

Structural2

Centers1

Severe1

Advantages2

Efforts2

Tasks2

Behavior1

Care6

Communication3

Include1

Systems9

Acquisition1

Jurisdictions1

Management3

Form1

Challenges1

Highly complex2

Incident1

Function4

Common1

Countries2

Time2

Effective1

Group1

Elements1

Receive2

Hybrid1

Development3

Ensure1

Project1

Found1

Government2