Cyanates: Organic salts of cyanic acid containing the -OCN radical.Cyanogen Bromide: Cyanogen bromide (CNBr). A compound used in molecular biology to digest some proteins and as a coupling reagent for phosphoroamidate or pyrophosphate internucleotide bonds in DNA duplexes.Carbon-Nitrogen Lyases: Enzymes that catalyze the cleavage of a carbon-nitrogen bond by means other than hydrolysis or oxidation. Subclasses are the AMMONIA-LYASES, the AMIDINE-LYASES, the amine-lyases, and other carbon-nitrogen lyases. EC 4.3.Peptide Fragments: Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques.Amino Acid Sequence: The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.Thiocyanates: Organic derivatives of thiocyanic acid which contain the general formula R-SCN.AminohydrolasesMolecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.Pseudomonas pseudoalcaligenes: A species of gram-negative bacteria in the genus PSEUDOMONAS. All strains can utilize FRUCTOSE for energy. It is occasionally isolated from humans and some strains are pathogenic to WATERMELON.Amino Acids: Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. Twenty alpha-amino acids are the subunits which are polymerized to form proteins.Trypsin: A serine endopeptidase that is formed from TRYPSINOGEN in the pancreas. It is converted into its active form by ENTEROPEPTIDASE in the small intestine. It catalyzes hydrolysis of the carboxyl group of either arginine or lysine. EC 3.4.21.4.Cell Adhesion Molecules: Surface ligands, usually glycoproteins, that mediate cell-to-cell adhesion. Their functions include the assembly and interconnection of various vertebrate systems, as well as maintenance of tissue integration, wound healing, morphogenic movements, cellular migrations, and metastasis.Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side.Citraconic Anhydrides: Methylmaleic anhydrides.Carbamates: Derivatives of carbamic acid, H2NC(=O)OH. Included under this heading are N-substituted and O-substituted carbamic acids. In general carbamate esters are referred to as urethanes, and polymers that include repeating units of carbamate are referred to as POLYURETHANES. Note however that polyurethanes are derived from the polymerization of ISOCYANATES and the singular term URETHANE refers to the ethyl ester of carbamic acid.IsocitratesBinding Sites: The parts of a macromolecule that directly participate in its specific combination with another molecule.Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.Hydrogen Cyanide: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.Halogens: A family of nonmetallic, generally electronegative, elements that form group 17 (formerly group VIIa) of the periodic table.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Coordination Complexes: 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.Acids, Noncarboxylic: Inorganic acids with a non metal, other than carbon, attached to hydrogen, or an acid radical containing no carbon.Chromatography, Affinity: A chromatographic technique that utilizes the ability of biological molecules to bind to certain ligands specifically and reversibly. It is used in protein biochemistry. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)SepharoseEnzymes, Immobilized: Enzymes which are immobilized on or in a variety of water-soluble or water-insoluble matrices with little or no loss of their catalytic activity. Since they can be reused continuously, immobilized enzymes have found wide application in the industrial, medical and research fields.Resins, Plant: Flammable, amorphous, vegetable products of secretion or disintegration, usually formed in special cavities of plants. They are generally insoluble in water and soluble in alcohol, carbon tetrachloride, ether, or volatile oils. They are fusible and have a conchoidal fracture. They are the oxidation or polymerization products of the terpenes, and are mixtures of aromatic acids and esters. Most are soft and sticky, but harden after exposure to cold. (From Grant & Hackh's Chemical Dictionary, 5th ed & Dorland, 28th ed)Composite Resins: Synthetic resins, containing an inert filler, that are widely used in dentistry.Acrylic ResinsResins, Synthetic: Polymers of high molecular weight which at some stage are capable of being molded and then harden to form useful components.Patents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.Dental Veneers: The use of a layer of tooth-colored material, usually porcelain or acrylic resin, applied to the surface of natural teeth, crowns, or pontics by fusion, cementation, or mechanical retention.Illusions: The misinterpretation of a real external, sensory experience.Inventions: A novel composition, device, or process, independently conceived de novo or derived from a pre-existing model.Dental Porcelain: A type of porcelain used in dental restorations, either jacket crowns or inlays, artificial teeth, or metal-ceramic crowns. It is essentially a mixture of particles of feldspar and quartz, the feldspar melting first and providing a glass matrix for the quartz. Dental porcelain is produced by mixing ceramic powder (a mixture of quartz, kaolin, pigments, opacifiers, a suitable flux, and other substances) with distilled water. (From Jablonski's Dictionary of Dentistry, 1992)Manufactured Materials: Substances and materials manufactured for use in various technologies and industries and for domestic use.CarboxyhemoglobinCarbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed)Carbon Monoxide Poisoning: Toxic asphyxiation due to the displacement of oxygen from oxyhemoglobin by carbon monoxide.Hemoglobins: The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements.Carbon: A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel.MethemoglobinEthersEthers, Cyclic: Compounds of the general formula R-O-R arranged in a ring or crown formation.PyransAnnonaceae: The custard-apple plant family of the order Magnoliales, subclass Magnoliidae, class Magnoliopsida. Some members provide large pulpy fruits and commercial timber. Leaves and wood are often fragrant. Leaves are simple, with smooth margins, and alternately arranged in two rows along the stems.Foramen Ovale, Patent: A condition in which the FORAMEN OVALE in the ATRIAL SEPTUM fails to close shortly after birth. This results in abnormal communications between the two upper chambers of the heart. An isolated patent ovale foramen without other structural heart defects is usually of no hemodynamic significance.Hair Follicle: A tube-like invagination of the EPIDERMIS from which the hair shaft develops and into which SEBACEOUS GLANDS open. The hair follicle is lined by a cellular inner and outer root sheath of epidermal origin and is invested with a fibrous sheath derived from the dermis. (Stedman, 26th ed) Follicles of very long hairs extend into the subcutaneous layer of tissue under the SKIN.Antibodies: Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS).Antibody Specificity: The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site.Hydrogen-Ion Concentration: The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups - analogous to diatomic halogen molecules, such as ... It can also be prepared by heating silver cyanide, silver cyanate, cyanogen iodide or cyanuric iodide. It can also be prepared ... with most of the carbon atoms being of sp2 type and localized domains of π conjugation. Cyanogen was first synthesized in 1815 ... Certain derivatives of cyanogen are also called "cyanogen" even though they contain only one CN group. For example, cyanogen ...
... inorganic molecules of the general forms Ps-Ps or Ps-X (where Ps is a pseudohalogen group), such as cyanogen; pseudohalide ... For example, they can form strong acids of the type HX (compare HCl to HCo(CO)4), and they can react with metals to form ... Well-known pseudohalogen functional groups include cyanide, cyanate, thiocyanate, and azide. Many pseudohalogens are known by ... are cyanogen halides (ICN, ClCN, BrCN), and other compounds. Sometimes nitrosyl chloride NOCl also is considered as ...
... from cyanogen. A more decisive experiment was Wöhler's 1828 synthesis of urea from the inorganic salts potassium cyanate and ... S. A. Benner; K. G. Devine; L. N. Matveeva; D. H. Powell (2000). "The missing organic molecules on Mars". Proceedings of the ... For historical reasons discussed below, a few types of carbon-containing compounds, such as carbides, carbonates, simple oxides ... The organic compound L-isoleucine molecule presents some features typical of organic compounds: carbon-carbon bonds, carbon- ...
This molecule is a colourless, odourless, and tasteless diamagnetic gas at standard conditions: it melts at −210 °C and boils ... Examples include cyanogen ((CN)2), triphosphorus pentanitride (P3N5), disulfur dinitride (S2N2), and tetrasulfur tetranitride ( ... The linear azide anion (N− 3), being isoelectronic with nitrous oxide, carbon dioxide, and cyanate, forms many coordination ... has limitations generally stemming from the continuity of bonding types instead of the discrete and separate types that it ...
See also: Gaseous signaling molecules. Carbon monoxide is produced naturally by the human body as a signaling molecule. Thus, ... Carbon monoxide poisoning is the most common type of fatal air poisoning in many countries.[28] Carbon monoxide is colorless, ... Cyanates [:O-C≡N:]-. *Thiocyanates [:S-C≡N:]-. *Fulminates [:C≡N-O:]- ... Because of its asymmetry, the carbon monoxide molecule produces far brighter spectral lines than the hydrogen molecule, making ...
... it can form the nitride cyanogen molecule ((CN)2), similar to diatomic halides. Other uncommon oxides are carbon suboxide (C. 3 ... There are three types of natural graphite-amorphous, flake or crystalline flake, and vein or lump. Amorphous graphite is the ... Cyanates [:O-C≡N:]-. *Thiocyanates [:S-C≡N:]-. *Fulminates [:C≡N-O:]- ... The simplest form of an organic molecule is the hydrocarbon-a large family of organic molecules that are composed of hydrogen ...
The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups - analogous to diatomic halogen molecules, such as ... It can also be prepared by heating silver cyanide, silver cyanate, cyanogen iodide or cyanuric iodide.[12] It can also be ... with most of the carbon atoms being of sp2 type and localized domains of π conjugation.[13] ... Wikimedia Commons has media related to cyanogen.. Wikisource has the text of the 1911 Encyclopædia Britannica article Cyanogen. ...
2, and Cl2F+.[42] Some pseudohalides of chlorine are also known, such as cyanogen chloride (ClCN, linear), chlorine cyanate ( ... The Cl-Cl distance is 198 pm (close to the gaseous Cl-Cl distance of 199 pm) and the Cl···Cl distance between molecules is 332 ... Other types of chlorine compounds are rare in living organisms, and artificially produced chlorinated organics range from inert ... Some types of organochlorides, though not all, have significant toxicity to plants or animals, including humans. Dioxins, ...
... was widely used to refer to a molecule or part thereof that contained one fewer hydrogen atoms than the molecule being modified ... The molecule is also relatively rigid: rotation about the C-C bond is a high energy process that requires breaking the π-bond. ... Being a simple molecule, ethylene is spectroscopically simple. Its UV-vis spectrum is still used as a test of theoretical ... The π-bond in the ethylene molecule is responsible for its useful reactivity. The double bond is a region of high electron ...
The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups - analogous to diatomic halogen molecules, such as ... It can also be prepared by heating silver cyanide, silver cyanate, cyanogen iodide or cyanuric iodide. It can also be prepared ... with most of the carbon atoms being of sp2 type and localized domains of π conjugation. Cyanogen was first synthesized in 1815 ... Certain derivatives of cyanogen are also called "cyanogen" even though they contain only one CN group. For example, cyanogen ...
... inorganic molecules of the general forms Ps-Ps or Ps-X (where Ps is a pseudohalogen group), such as cyanogen; pseudohalide ... For example, they can form strong acids of the type HX (compare HCl to HCo(CO)4), and they can react with metals to form ... Well-known pseudohalogen functional groups include cyanide, cyanate, thiocyanate, and azide. Many pseudohalogens are known by ... are cyanogen halides (ICN, ClCN, BrCN), and other compounds. Sometimes nitrosyl chloride NOCl also is considered as ...
At alkaline pH, cyanogen bromide reacts with the hydroxyl groups on agarose to form cyanate esters or imidocarbonates. These ... In affinity chromatography, one of the interacting molecules is covalently bound to the resin and is addressed as a ligand. The ... they are very specific in the type of protein or biomolecules or affinity tagged protein isolated giving the researcher limited ... Among them Cyanogen bromide (CNBr) activated agarose is the oldest and still the widely used method for coupling of ligands via ...
Cyanate. A compound containing the OCN group, typically a salt or ester of cyanic acid (HOCN). The cyanate ion is ambidentate, ... Cyanogen. A colorless, highly toxic gas having the molecular formula C2N2. Cyanogen belongs to a class of compounds known as ... The type of luminescence wherein a chemical reaction supplies the energy responsible for the emission of light (ultraviolet, ... A higher-order bonding interaction between electron orbitals on three or more contiguous atoms in a molecule, which leads to ...
Vant Hoff also expressed a hypothesis on the possibility of another type of spatial isomerism in molecules lacking an ... who obtained oxalic acid from cyanogen in 1824 and urea by heating ammonium cyanate in 1828. ... Later, F. A. Kekulé proposed a fourth type, the methane type, from which he produced all the hydrocarbons. The theory of types ... in organic chemistry, group of atoms within a molecule that is responsible for certain properties of the molecule and reactions ...
Cyanate. A compound containing the OCN group, typically a salt or ester of cyanic acid (HOCN). The cyanate ion is ambidentate, ... Cyanogen. A colorless, highly toxic gas having the molecular formula C2N2. Cyanogen belongs to a class of compounds known as ... A molecule composed of two building blocks: an aromatic ring (most frequently a benzene ring) and an aliphatic unit forming a ... The type of luminescence wherein a chemical reaction supplies the energy responsible for the emission of light (ultraviolet, ...
In use for more than 100 years, sodium cyanide is more effective than other processes at extracting gold from more types of ore ... Global output of the gold-capturing molecule is growing at about 2% annually and will reach 1.3 million metric tons by 2020, ... Gold mines use a number of processes to turn cyanide into the less hazardous cyanate. Treatment options include hydrogen ... cyanogen chloride, and various nitriles. ...
Cyanogen. Cyanogen is the chemical compound with the formula 2. It is a colorless, toxic gas with a pungent odor.The molecule ... from the inorganic salts potassium cyanate. Potassium cyanate. Potassium cyanate is an inorganic compound with the formula KOCN ... For historical reasons discussed below, a few types of carbon-containing compounds such as carbide. Carbide ... Cyanogen molecules consist of two CN groups - analogous to diatomic halogen molecules, such as Cl2, but far less oxidizing... ...
By nonspecific activation of hydroxyl groups and creation of reactive cyanate esters, cyanogen bromide has been employed to ... Figure 2: Schematic diagram summarizing the types of currently used Hib vaccines according to the type of PRP (nPRP-native PRP ... Adjuvants, molecules that can enhance and/or regulate the fundamental immunogenicity of an antigen, comprise a wide range of ... Figure 2 summarizes the types of currently used Hib vaccines according to the type of PRP. ...
... with cyanate, cyanogen, or urea. These substances undergo side reactions with common nucleophiles that appear to proceed more ... The improbability of a spontaneously generated self-assembling molecule has suggested that life began with a set of simpler, ... during which some substance of this type carried out the genetic functions later taken over by RNA. In the great majority of ... In a typical run at low concentration, 0.025 M cyanoacetylene and 0.05 M cyanate (the stoichiometry requires two cyanates per ...
Elimination of a water molecule from two acid molecules produces an anhydride, such as acetic anhydride, (CH3•CO)2•O. No new ... which form the basis of the cyanates and isocyanates. A comparison of the cyanides and cyanates provides a good illustration of ... The simplest compound of this type is d-aspartic acid, COOH•CH2•CHNH2•CO•OH. The third of the sub-groups, the diamino acids, ... Cyanogen, CN•CN, is a combination of the + 1 and -1 radicals. Compounds with the CO•CN combination in the negative position are ...
... or because being of the same type of molecule they head towards one or more different target molecules. [0055]Another specific ... cyanate and, preferably, by silinasation with amino silanes, epoxide silanes, thiocyanate and isothiocyanate silanes, succinic ... cyanogen bromide, succinimide, carbodiimidazol, tresyl and tosyl chloride, divinyl chloride, maleimide, hydrazide, iso(thio) ... 0034]The analytes or molecules to be determined in a solution or a sample can be any molecule present in the sample which bonds ...
... solution polymerization and interfacial polymerization processes for the preparation of polyiminocarbonates in which cyanate ... 1.43 g cyanogen bromide (13.9 mmol) is dissolved in 45 ml CCl4 and placed in the flask. With vigorous stirring (2,000 rpm) a ... PTCs are salt-like molecules that serve to transfer reactants between the aqueous and organic phases in an interfacial ... Surprisingly, it has been found that an interfacial polymerization utilizing an organic phase cyanate solution and an aqueous ...
... molecule, and can be of any type. Specific examples thereof include cresol novolac-based phenol resins, naphtholaralkyl-based ... 4-cyanate phenyl)propane (CA210, cyanate equivalent: 139, available from MITSUBISHI GAS CHEMICAL COMPANY, INC., 40 parts by ... Another cyanic acid ester compound (C) can be prepared in the same way by the reaction of a cyanogen halide with a compound, ... 0117] The ratio (CN/Ep) of the number of cyanate groups of the cyanic acid ester compound (C) to the number of epoxy groups of ...
See also: Gaseous signaling molecules. Carbon monoxide is produced naturally by the human body as a signaling molecule. Thus, ... Carbon monoxide poisoning is the most common type of fatal air poisoning in many countries.[28] Carbon monoxide is colorless, ... Cyanates [:O-C≡N:]-. *Thiocyanates [:S-C≡N:]-. *Fulminates [:C≡N-O:]- ... Because of its asymmetry, the carbon monoxide molecule produces far brighter spectral lines than the hydrogen molecule, making ...
More specifically, the invention relates to the use of solid phase binders for the removal of organic molecules from liquid ... The present invention relates to methods for processing liquid waste solutions containing organic molecules such as organic ... Some organic molecules cannot be readily adsorbed to the solid phase adsorbents described above. These types of molecules can ... A 3 ml column was made containing anti-fluorescein conjugated to cyanogen bromide (CNBR) activated Sepharose 6B. One hundred ...
Catalyst Based on Type g/100 g. of Pzn. By end Vapor of Product, Prepared Wt. of monomer monomer Temp. group Pressure C.S. at ... For example, see "Cyanogen Compounds," Williams, 2nd Ed., 1948, Edward Arnold and Co., London, p. 252 and elsewhere. The salts ... Telomers having average hydroxyl functionalities of 2, 3 or more hydroxyl groups per molecule can be used in making flexible ... cyanate), CNS.sup.-(thiocyanate), NCO.sup.-(isocyanate), and NCS.sup.-(isothiocyanate) and so forth. In the above formulae M is ...
Cyanate from alkaline hydrolysis of cyanogen bromide-activated polysaccharides. Analytical Biochemistry (1981), 116(1), 181-4. ... Spectrum Type. Description. Splash Key. View. LC-MS/MS. LC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated). splash10- ... Cyanate. Description. The cyanate ion is an anion consisting of one oxygen atom, one carbon atom, and one nitrogen atom, [OCN ... The cyanate ion is an ambident nucleophile in nucleophilic substitution because it can react to form an alkyl cyanate R-OCN ( ...
Single cell transcriptional analysis identified a subpopulation of cells which was diminished in both type 1 and type 2 models ... Small Molecule, Non-Peptide p75(NTR) Ligands Inhibit A beta-Induced Neurodegeneration and Synaptic Impairment PLOS ONE Yang, T ... Reaction of cyanate with the alpha-amino group of hemoglobin (HbOCN) is shown to produce a very dramatic decrease in the ... coupled cyanogen bromide activated Sepharose 4B. The molecular weight of the native protein was 2.42 kDa. UV-Vis absorption, ...
CNBr reacts with the hydroxyl groups on agarose to form cyanate esters and imidocarbonates. These groups are reacted with ... Cyanogen bromide (CNBr) is the most common method for preparing affinity chromatography to purify antibody because of its ... The test collects information including the number and types of different types of blood cells, the variation in the size of ... Propidium iodide (or PI) is an intercalating agent and a fluorescent molecule that can be used to stain DNA. PI is used as a ...
... with a subsequent disproportionation of cyanide to cyanate; cyanate may react with ethanol to form ethyl carbamate ( Guerain & ... The first is click here based on complexing cyanide to Cu2+ followed by its oxidation to cyanogen, ... intratumor heterogeneity was detected in all types of studied cancers [3] and [4] and may lead to more aggressive tumor ... vicinity of carbonyl groups in organic molecules, and concentration Fulvestrant order of Cu2+ ions in the beverage ( Battaglia ...
... a significant number of small molecule aptamers were isolated. The availability of a myriad of small molecule aptamers suggests ... H. B. Seo and M. B. Gu, "Aptamer-based sandwich-type biosensors," Journal of Biological Engineering, vol. 11, no. 1, article 11 ... CNBr reacts with the hydroxyl group to generate cyanate esters or imidocarbonates, which can readily react with primary amines- ... Another alternative to conjugate directly to the amine-conjugated aptamers is to use Cyanogen-bromide (CNBr) activated ...
The resin composition of the present invention comprises (A) an epoxy resin, (B) a cyanate resin and (C) an onium salt compound ... bisphenol type cyanate resins such as bisphenol A type cyanate resins, bisphenol E type cyanate resins and tetramethylbisphenol ... The cyanate resin (B) can be obtained by, for example, reacting a cyanogen halide compound with a phenol and, as needed, ... valent proton donor having in a molecule at least one or more protons which can be released from the molecule; and R.sup.5 to R ...
Cyanogen bromide (CNBr) in base reacts with hydroxyl groups on Separopore® 4B to form cyanate… ... Nickel, Cobalt, Copper and Zinc are used as cations for this type of purification because they provide effective binding and ... EAH-Separopore® 4B is used to couple molecules containing carboxyl groups to the matrix for affinity chromatography. It was ... Cyanogen bromide-activated Separopore® 4B matrix is used for preparation of resins for affinity chromatography. Pre-activated ...
  • Although many ligand bound resins are commercially available [ Concanavalin A (Con A) Agarose , Ni-NTA ] , they are very specific in the type of protein or biomolecules or affinity tagged protein isolated giving the researcher limited options for using same resin for isolating different proteins or using a ligand of their own choice. (gbiosciences.com)
  • However, the actual products formed in the reaction between cyanogen halide-activated agarose and the amino group of alanine, for example, are difficult to study owing to the insolubility of the carbohydrate and the relatively low concentrations of the products. (justia.com)
  • Generated by Systematic Evolution of Ligands by Exponential Enrichment (SELEX), aptamers are short synthetic oligonucleotides, either DNA or RNA, that specifically bind target molecule(s) with high specificity due to their specific and complex three-dimensional shape comprised stems, loops, bulges, hairpins, pseudoknots, triplexes, and quadraplexes [ 12 - 14 ]. (hindawi.com)
  • Affinity chromatography has found wide application in the purification of various biologically active molecules, such as small ligands, proteins, nucleotides and nucleosides. (justia.com)
  • The cyanate ion is an ambident nucleophile in nucleophilic substitution because it can react to form an alkyl cyanate R-OCN (exception) or an alkyl isocyanate R-NCO (rule). (hmdb.ca)
  • Gelatin binds specifically to fibronectin, which is a high molecular weight glycoprotein found on the surfaces of many cell types and present in many extracellular fluids including plasma. (thomassci.com)
  • Certain derivatives of cyanogen are also called "cyanogen" even though they contain only one CN group. (wikipedia.org)
  • The present invention relates to the activation of certain polysaccharide matrices for use in affinity chromatography procedures, and, more especially, to the sodium metaperiodate [NaIO.sub.4 ] activation of polysaccharide matrices, to certain polyhydrazide derivatives thereof, to the "reductive stabilization" thereof and of such polyhydrazide derivatives, and to the coupling of various biologically active molecules thereto as well as to such polyhydrazide derivatives. (justia.com)
  • We specialize in handling all types of acid fumes and hazardous/corrosive streams, to ensure our clients have a neutralized & contaminant free air stream during emission. (fumescrubber.us)
  • Nitrogen occurs in all organisms, primarily in amino acid s (and thus protein s), in the nucleic acid s ( DNA and RNA ) and in the energy transfer molecule adenosine triphosphate . (getwiki.net)
  • The team tried mixing cyanamide and glycolaldehyde, two chemicals probably present in the primordial soup, to make a molecule with a bit of the sugar and the base. (thefreedictionary.com)
  • In 1910 a spectroscopic analysis of Halley's Comet found cyanogen in the comet's tail, which led to public fear that the Earth would be poisoned as it passed through the tail. (wikipedia.org)
  • Cyanate can be decomposed by the enzyme cyanate lyase (or cyanase), which is found in bacteria and plants. (hmdb.ca)
  • It can also be prepared by the polymerization of cyanogen at 300 to 500 °C (572 to 932 °F) in the presence of trace impurities. (wikipedia.org)