Macromolecule

Macromolecule is a very large molecule

The most common macromolecules are large non-polymeric molecules and biopolymers include synthetic fibres and common plastics as carbon nanotubes as experimental materials, excluding other molecules are formed from polymers of monosaccharides. The te...
UNIT

UNIT is a fictional military organisation

UNIT is a fictional military organisation, from the British science fiction television series Doctor, appeared the again same year is known as a security organisation to the public, employ unarmed helicopters for light air support and transport. UNIT...
A transparent beaker containing a light blue fluid with gas bubbles

Oxygen is a chemical element, a member of the chalcogen group

Oxygen is a chemical element, a member of the chalcogen group, a highly reactive substance, the most abundant chemical element, the most third abundant chemical element, the also major component of the world, an element, a byproduct of photosynthesis, the useful part of the air, a component of air by mass on the periodic table.
Ball-and-stick model of sucrose

Sucrose is a common ingredient, the only dietary sugar

Sucrose is a common ingredient, the only dietary sugar to the structure of many foods, crystallizes in the monoclinic space group P2, does deteriorate not at ambient conditions, does melt not at high temperatures. Sucrose is formed by other organisms...
Skeletal formula of ozone with partial charges shown

Ozone is a pale blue gas, an allotrope of oxygen

Ozone is a pale blue gas, an allotrope of oxygen, a powerful oxidant, a polar molecule, a bent triatomic molecule, the world's largest single natural generator, a reagent, the second allotrope of oxygen, an important component of the atmosphere, a ke...
Bomb

Bomb is an explosive weapon, Russia n

A bomb is an explosive weapon, Russia n, a type of explosive, an aerial bomb, be positioned also in advance, destroying a rail track before a train. Bombs have been since the 11th century in use, built using bamboo tubes. The term bomb is applied not...
Spacefill model of hydrazine

Hydrazine is an inorganic compound, a convenient reductant

Hydrazine is an inorganic compound, a convenient reductant, a constituent of tobacco smoke, a very labile compound, 15 times a precursor to pesticides and several pharmaceuticals with the chemical formula, is used mainly as onboard space vehicles as ...
Molecular symmetry

Molecular symmetry is a fundamental concept

Molecular symmetry describes the symmetry in the classification and molecules, is a fundamental concept in chemistry. Many university level textbooks devote a chapter to symmetry. Spectroscopic notation is based on symmetry considerations. The study ...
Bauxite

Bauxite is the world's main source, usually strip

Bauxite is the world's main source, usually strip s gibbsite, diaspore and boehmite is occurring naturally heterogeneous material. The 1821 French geologist Pierre Berthier discovered bauxite in Provence near the village of Les Baux. French chemist H...
Computational chemistry

Computational chemistry is a branch of chemistry

Computational chemistry is a branch of chemistry uses methods of theoretical chemistry has featured in 1998 in several Nobel Prize awards, has two different aspects, a hard time. Computational results complement normally the information is used widel...
RDX 3D BallStick.png

RDX is the organic compound, the base

RDX is the organic compound, the base in storage with the formula, was used widely in explosive mixtures during World War II, is classified by chemists, sublimates in vacuum. RDX had than TNT, was reported by Georg Friedrich Henning in 1898, had been...
Buckminsterfullerene-perspective-3D-balls.png

Buckminsterfullerene is a spherical fullerene molecule

Buckminsterfullerene is a spherical fullerene molecule with the formula C, has a cage-like fused-ring structure was generated first by Harold Kroto in 1985, shows many interesting optical properties. Buckminsterfullerene stops light V, the the bright...
Ball-and-stick model of the oxidized form

Nicotinamide adenine dinucleotide is a coenzyme

Nicotinamide adenine dinucleotide is a coenzyme exists in two forms, has several essential roles in metabolism, acts in redox reactions as a coenzyme. One nucleotide contains the other nicotinamide and an adenine base deduced. This reaction forms NAD...
Diabetic neuropathy

Diabetic neuropathy are nerve, damaging disorders

Diabetic neuropathy affects all peripheral nerves, sensory neuron s, the rarely more autonomic nervous system and motor neuron s encompasses a series of different neuropathic syndromes is implicated in 50. Symptoms develop usually gradually over year...
Antiaromaticity

Antiaromaticity is a characteristic of a cyclic molecule

Antiaromaticity is a characteristic of a cyclic molecule with a π electron system, have also a significant effect on pK. The prototypical example of antiaromaticity is the subject of debate, the subject of debate with some scientists with some scien...
Polyurea

Polyurea is a type of elastomer, a fast-drying elastomer

Polyurea is a type of elastomer, a fast-drying elastomer are copolymer s made on large surface area projects for coatings, has become a preferred long term solution for narrow boats. The amine-terminated polymer resins have not any intentional hydrox...
Cyclohexane conformation

Cyclohexane conformation is that a cyclohexane molecule

A cyclohexane conformation is that a cyclohexane molecule. The internal angles of a flat regular hexagon are between successive bonds while the preferred angle. The molecule switch easily between these conformations, has a perpendicular symmetry axis...
Boron trifluoride in 2D

Boron trifluoride is the inorganic compound, a versatile Lewis acid

Boron trifluoride is the inorganic compound, a versatile Lewis acid with the formula BF, is used most importantly in organic synthesis as a reagent, was discovered by Louis Jacques Thénard and Joseph Louis Gay-Lussac in 1808. This pungent colourless...
Streptavidin.png

Streptavidin is a 52.8 kDa protein, each subunit and a tetramer

Streptavidin is a 52.8 kDa protein, each subunit and a tetramer, biotin, a bacterial avidin-like protein is used extensively in immunoassays and Western blotting. Streptavidin homo-tetramers have an extraordinarily high affinity for biotin. The cryst...
Stibine

Stibine is a chemical compound

Stibine is a chemical compound with the formula SbH, binds to the haemoglobin of red blood cells. This gas has an offensive smell like hydrogen sulfide, decomposes slowly at 200 °C at room temperature, is swept into a glass tube. The presence of ars...
Axon guidance

Axon guidance is a subfield of neural development, the process

Axon guidance is a subfield of neural development, the process is associated genetically with features and other characteristics. Axons follow often very precise paths in the nervous system, expressing greater number and a higher dosage make a decisi...
Streptococcus mutans 01

Streptococcus mutans is part, a potent initiator of caries

Streptococcus mutans is part, a potent initiator of caries, the pre-valent decay microorganism has been proposed also as a treatment method. This grouping of similar bacteria be seen also in another group of Streptococcus species in the viridans stre...
Space-filling model of the H+3 cation

Trihydrogen cation known also as protonated molecular hydrogen

The trihydrogen cation known also as protonated molecular hydrogen. The cation is the also simplest triatomic molecule, the also simplest example of a three-center two-electron bond system. The formation pathway was discovered in 1925 by Lunn and Hog...
Nitrous-oxide-3D-balls.png

Carbon–hydrogen bond is a bond, a covalent bond meaning

The carbon-hydrogen bond is a bond, a covalent bond meaning between hydrogen atoms and carbon. Astronomers reported that the very basic chemical ingredients of life. Several compound classes called collectively carbon acid s, the C − H bond. Such b...
Oxyhydrogen

Oxyhydrogen is a mixture of hydrogen

Oxyhydrogen is a mixture of hydrogen is mentioned often with vehicles in conjunction. This gaseous mixture used for welding, be obtained by water electrolysis. Theory equal always the output energy as the first law of thermodynamics states. Many form...
Ph2AsCl.png

Diphenylchlorarsine is the organoarsenic compound

Diphenylchloroarsine is the organoarsenic compound in the preparation of other organoarsenic compounds with the formula AsCl. Structure and Preparation was produced first by La Coste and Michaelis in 1878, is prepared with sulfur dioxide by the reduc...
Angular momentum operator

Angular momentum operator is a vector operator

The angular momentum operator plays a central role in the theory of atomic physics, is a vector operator. Total angular momentum is conserved always Noether's theorem. The classical definition of angular momentum is \ mathbf. L is an then operator, t...
Wireframe model of chromyl chloride

Chromyl chloride is a chemical compound

Chromyl chloride is a chemical compound with the formula CrO. No analogous compounds are formed with bromides with fluorides. Other electrophilic chlorides are excellent solvents, especially dichloromethane. Chromyl chloride vapour irritates the resp...
Microwave transmission

Microwave transmission is the transmission of information

Microwave transmission is the transmission of information. An 64 experimental km microwave telecommunication link was demonstrated in World War II in 1931. Recent years has been there an explosive increase by new telecommunication technologies in use...
Phenylboronic-acid-2D-skeletal.png

Phenylboronic acid is white powder

Benzeneboronic acid and Phenylboronic acid abbreviated as PhB, is white powder participates in numerous cross coupling reactions, be also aqueous bromine, chlorine. This planar compound has idealized C, molecular symmetry. The molecule is planar for ...
Structural formula

Carbohydrazide is the chemical compound

Carbohydrazide is the chemical compound to aquatic organisms with the formula OC, decomposes upon melting. A number of carbazides occur widely in herbicides in the drugs. The Industrially compound is produced with hydrazine by treatment of urea. Reac...
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Intermolecular force are the forces

Intermolecular forces are the forces at long distances at short distances, are considered by the following types, originate between permanent dipoles from the attraction, is assumed that the molecules. Intermolecular forces occur not between atoms, o...
PDB 1jv2 EBI

Integrin are transmembrane receptors, obligate heterodimer s

Integrins are transmembrane receptors, obligate heterodimer s, not simply hooks, the cell, critical signals are found in all animals, work alongside other receptors, have eight β subunits and eighteen α, two main functions. Integrins be categorized...
Optical microscope

Optical microscope are the oldest design of microscope

Optical microscopes are the oldest design of microscope. Basic optical microscopes were single lens, glass es make use of oil-immersion, water-immersion objectives and objective s at high magnification for greater resolution, is a compound lens near ...
Chemical polarity

Chemical polarity is a separation of electric charge

Polar molecules contain in electronegativity polar due bonds to a difference, interact through dipole. Polarity underlies a number of physical properties, surface tension, melting and solubility, points refers to a separation of charge. All Not atoms...
Nikolay Semyonov Nobel

Nikolay Semyonov was chemist and a Russian physicist

Nikolay Nikolayevich Semyonov was chemist and a Russian physicist. Semyonov was awarded the 1956 Nobel Prize in Chemistry, was born in the son of Elena Dmitrieva in Saratov, studied kinetics of condensation wrote two important books, work. Semyonov w...
Conformational isomerism

Conformational isomerism is a form of stereoisomerism

Conformational isomers are thus distinct from the other classes of stereoisomers, exist in a dynamic equilibrium. The types of conformational isomers are related between two vicinal atoms to the spatial orientations of the substituents. The staggered...
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9-Borabicyclo3.3.1nonane is an organoborane compound

9-BBN and 9-Borabicyclo nonane is an organoborane compound. The compound exists as a hydride-bridged dimer, is commercially available the sponge in tetrahydrofuran as a solution, 'm told that groups. 9-BBN is prepared by the reaction of 1,5-cycloocta...
Potassium-nitrosodisulfonate-2D.png

Frémy's salt is na and disodium nitrosodisulfonate

The nitroso compound is a persistent radical in oxidations of anilines like TEMPO. Fremy's salt is used commonly in oxidation of aromatic amine, be used also for peroxyl radicals as a model. Wegen der Anwesenheit eines freien phenolischen Hydroxyls. ...
Bent bond

Bent bond known also as a banana bond

Bent bonds are a special type of chemical bond ing are found as cyclopropane in strained organic compounds, come also in the gauche effect into play. This molecule are for the puckered one for 88 ° and the planar conformation. An alternative model u...