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  • ...on, acetylcysteine acts to reduce mucus viscosity by splitting [[disulfide bond]]s linking proteins present in the mucus (mucoproteins). ...ki M, Nowak D|title=Long-term administration of N-acetylcysteine decreases hydrogen peroxide exhalation in subjects with chronic obstructive pulmonary disease|
    28 KB (3,682 words) - 16:42, 27 September 2010
  • ...dium|Na]]<sub>2</sub>[[Sulfur|S]]<sub>2</sub>[[Oxygen|O]]<sub>3</sub>•5[[Hydrogen|H]]<sub>2</sub>[[Oxygen|O]], an [[efflorescent]], [[monoclinic]] crystallin ...ears significant negative charge and the S-O interactions have more double bond character. The first protonation of thiosulfate occurs at sulfur.
    12 KB (1,720 words) - 16:42, 27 September 2010
  • ...acterial cell wall precursor, in green) bound to vancomycin (blue) through hydrogen bonds. Reported by Knox and Pratt in Antimicrob. Agents. Chemother., 1990 1 ...an load and extend the [[protein]] by one amino acid through the [[amide]] bond formation at the contact sites of the activating domains.<ref name="pmid954
    31 KB (4,198 words) - 16:43, 27 September 2010
  • ...bond|covalent]] linkage. It is hypothesized that hydrogen bonds and π-π bond interactions between [[naphthoquinone]] and the aromatic amino acids are th
    18 KB (2,471 words) - 16:43, 27 September 2010
  • ...Amphotericin A is almost identical to Amphotericin B [ having a double C=C bond between the 27th and 28th carbon ] but has little anti-fungal acitvity. ...monovalent ion ([[potassium|K<sup>+</sup>]], [[sodium|Na<sup>+</sup>]], [[hydrogen|H<sup>+</sup>]], [[chloride|Cl<sup>-</sup>]]) leakage, which is the primary
    13 KB (1,785 words) - 16:44, 27 September 2010
  • ...or the adsorption of H<sub>2</sub>S and [[thiol]]s. Adsorption rates for [[Hydrogen sulfide|H<sub>2</sub>S]] as high as 50% by weight have been reported. ...capacity for some inorganic (and problematic organic) compounds such as [[hydrogen sulfide]] (H<sub>2</sub>S), ammonia (NH<sub>3</sub>), formaldehyde (HCOH),
    41 KB (5,738 words) - 16:47, 27 September 2010
  • ...n bonds with two neighboring molecules instead of one. With respect to the hydrogen bonds formed by the [[carboxylic acid]] groups both polymorphs form identic
    78 KB (10,918 words) - 16:52, 27 September 2010
  • ...d a new acid, which could be used to reconstitute the dye. The new acid, [[hydrogen cyanide]], first isolated from Prussian blue in pure form and characterized ...present in the unit cell, either as isolated molecules or [[hydrogen bond|hydrogen bonded]] to the coordinated water.
    20 KB (3,004 words) - 16:47, 27 September 2010
  • | OtherNames = Acetyl hydroxide (AcOH), Hydrogen acetate (HAc), Ethylic acid, Methanecarboxylic acid<br /> To emphasize the role of the active hydrogen in forming the salt sodium acetate, some people write the molecular formula
    41 KB (5,915 words) - 16:49, 27 September 2010
  • | ImageName1 = Nitrous oxide's bond lengths ...environmental protection. Greener processes may prevail that substitute [[hydrogen peroxide]] for nitric acid oxidation; hence no generation of oxide of nitro
    61 KB (8,728 words) - 16:50, 27 September 2010
  • As a solid, AZT forms a [[hydrogen bond]]ed network of base-paired [[Dimer (chemistry)|dimer]]s; its crystal struct
    21 KB (3,049 words) - 16:51, 27 September 2010
  • ...olved in water. Along with chlorine, this [[chloralkali process]] yields [[hydrogen]] gas and [[sodium hydroxide]], according to the [[chemical equation]] It is held together by an [[ionic bond]] which is produced by [[electrostatic force]]s arising from the difference
    19 KB (2,579 words) - 16:51, 27 September 2010
  • ...p> adopt more complex structures due to (i) the formation of an additional bond to water, i.e. seven-coordinate complexes, or (ii) the displacement of one ...specially Mn<sup>2+</sup>, from catalyzing the [[disproportionation]] of [[hydrogen peroxide]], which is used in "chlorine-free bleaching." In similar manner,
    21 KB (2,946 words) - 15:10, 6 July 2010
  • ...mation show that most of its unusual properties result from the [[hydrogen bond]] between neighbouring water molecules,<ref name="MCavelleri">{{Citation |title=Local Structure of Hydrogen-Bonded Liquids
    16 KB (2,333 words) - 13:32, 19 September 2010
  • ...re highly oriented along the fiber axis, so the strength of the [[chemical bond]] can be exploited. ...is a long-chain synthetic polyamide in which at least 85% of the [[peptide bond|amide linkages, (-CO-NH-)]] are attached directly to two aromatic rings.</b
    10 KB (1,313 words) - 10:07, 20 September 2010
  • ...mechanical pulp. By mixing with water and applying mechanical action the [[hydrogen]] bonds in the paper can be broken and fibres separated again. Most recycle *[[Bond paper]]
    21 KB (3,131 words) - 10:08, 20 September 2010
  • ...ueous [[solution]], leaving the surface silicon atoms covalently bonded to hydrogen. ...unlike a 'clean surface' having unpassivated surface atoms, or [[dangling bond]]s. It is so [[inert]] that it can be handled in the air without any specia
    2 KB (231 words) - 10:08, 20 September 2010
  • [[Solid]]s can be classified according to the nature of the [[Chemical bond|bonding]] between their atomic or molecular components. The traditional cla | chapter = The Concept of the Chemical Bond in Solids
    11 KB (1,614 words) - 10:08, 20 September 2010
  • ...yelectrolytes. LbL deposition has also been accomplished using [[hydrogen bond]]ing instead of [[electrostatic]]s.
    10 KB (1,406 words) - 10:09, 20 September 2010
  • ...SPIE |volume=3999|page=1120}}</ref> or [[Carbon-carbon bond|carbon double-bond]] [[chromophore]]s <ref>{{cite web|url=http://www.cem.msu.edu/~reusch/Virtu ...primary [[ionizing radiation]] have energies sufficient to dissociate this bond, causing scission. In addition, the low-energy electrons have a longer phot
    16 KB (2,176 words) - 10:09, 20 September 2010
  • ...takes place is known as a [[condensation reaction]]. Phosphate [[chemical bond]]s are typically high-energy [[covalent]] bonds, which means that energy is
    6 KB (770 words) - 10:09, 20 September 2010
  • ...-)[[covalent bond]]s: [[Hydrogen bond]]s, [[Van der Waals bond]]s, [[ionic bond]]s, [[hydrophobic interaction]]s, [[pi-pi interaction]]s *[[Chemical extraction]] of target molecule and [[hydrolysis]] of [[covalent bond]]s
    4 KB (446 words) - 10:09, 20 September 2010
  • ...ence of valent cations in the solution will impede the polymers ability to bond with the water molecule.
    9 KB (1,214 words) - 10:09, 20 September 2010
  • ...em]] of bonds, [[carbonyl group]]s and so on. [[NMR spectroscopy]] detects hydrogen atoms in specific environments, and complements both IR and UV spectroscopy ...nown as [[ozonolysis]] when one molecule of the gas reacts with the double bond:
    7 KB (1,065 words) - 10:09, 20 September 2010
  • ...polymers can be linear or branched are typically joined with [[glycosidic bond]]s. However, the exact placement of the linkage can vary and the orientatio ...menon known as retrogradation is observed. This is a reorganization of the hydrogen bonds and an aligning of the molecular chains during cooling. In extreme ca
    68 KB (9,959 words) - 10:10, 20 September 2010
  • ...atalyzed carbocationic polymerization typically using aluminum chloride or hydrogen halide acid such as HF. So called "high reactivity" polybutene or PIB is pr One of the end units in the polymer chain contains a double bond, allowing reactivity with other compounds to provide functional chemistry m
    4 KB (554 words) - 10:10, 20 September 2010
  • ...stiffness]], the use of [[Chemical polarity|polar]] [[monomers]], and/or [[hydrogen bonding]] between the [[polymer]] chains can all enhance fire-resistance.<r ...om heat because the chains do not necessarily fall apart if one [[covalent bond]] is broken. However, this makes the processing of ladder [[polymers]] diff
    17 KB (2,260 words) - 10:10, 20 September 2010
  • ...astomer polymers is a weaker [[Intermolecular force|dipole]] or [[hydrogen bond]] or takes place in one of the phases of the material.
    11 KB (1,609 words) - 10:10, 20 September 2010
  • ...tself a [[polymer]] — containing [[silicon]] together with [[carbon]], [[hydrogen]], and [[oxygen]]. ...[[polyoxymethylene]] (a structurally similar polymer) due to its higher [[bond energy]].
    8 KB (1,198 words) - 10:10, 20 September 2010
  • ...ntEd 1998 v37 p75.jpg|thumbnail|250px|An example of a quadruple [[hydrogen bond]]s reported by Meijer and coworkers in Angew. Chem. Int. Ed. 1998, 37, p 75 ...bonding. One system that has been demonstrated uses quadruple [[hydrogen bond]]s to form supramolecular polymers.
    1 KB (131 words) - 10:10, 20 September 2010
  • ...eating [[structural unit]]s typically connected by [[covalent]] [[chemical bond]]s. While ''polymer'' in popular usage suggests [[plastic]], the term actua ...polysaccharide]]s (e.g. [[cellulose]]) are joined together by [[glycosidic bond]]s via oxygen atoms.
    45 KB (6,501 words) - 10:11, 20 September 2010
  • ...ial applications for [[metal-organic framework]]s (MOF's) in areas such as hydrogen storage. ...intermolecular force]]s tend to be weak, with a long equilibrium distance (bond length) compared to [[covalent bonds]]. The pi-pi interactions between [[b
    23 KB (3,302 words) - 10:11, 20 September 2010
  • ...to deposit [[crystal]]s. The viscosity arises from the multiple [[hydrogen bond]]s between the dissolved sugar, which has many [[hydroxyl]] (OH) groups, an
    7 KB (1,018 words) - 10:11, 20 September 2010
  • ...the [[repeating unit]]. Note, however, that the C−H [[Molecular geometry|bond angles]] are not 90° as this diagram would indicate, but are approximately ...tween the two systems is due to the ''opening up'' of the monomer's double bond upon polymerization.
    20 KB (2,802 words) - 10:11, 20 September 2010
  • ...p''<sup>3</sup> configuration, as opposed to graphene's ''sp''<sup>2</sup> bond configuration, thus graphane is a 2-D analog of cubic [[diamond]]. Graphan ...contrast to two-sided graphane.<ref name="Graphane"/> Annealing allows the hydrogen to disperse, reverting to graphene.<ref>[[Kostya Novoselov]]. "Beyond the w
    2 KB (265 words) - 10:12, 20 September 2010
  • |Hydrogen || 10 to 14% ...hydrogen, these processes generally involve removing carbon from or adding hydrogen to the molecules, and using [[fluid catalytic cracking]] to convert the lon
    69 KB (9,885 words) - 10:12, 20 September 2010
  • ...tions between the ions and the electron cloud, which are called [[metallic bond]]s.<ref name="morty">{{cite book| author = Mortimer, Charles E.|title = Che ...ae]]. The [[Sun]] and the [[Milky Way Galaxy]] are composed of roughly 74% hydrogen, 24% helium, and 2% "metals" (the rest of the elements; atomic numbers 3-11
    24 KB (3,311 words) - 10:13, 20 September 2010
  • [[Image:Metallic bond Zn.svg|thumb|right|200px|Metallic bonding is found in metals like [[zinc]]. ...title -->]</ref><ref>[http://hyperphysics.phy-astr.gsu.edu/hbase/chemical/bond.html Chemical Bonds<!-- Bot generated title -->]</ref><ref>[http://www.phys
    26 KB (4,024 words) - 10:13, 20 September 2010
  • .../sub>)<sub>n</sub>; it contains the [[chemical elements]] [[carbon]] and [[hydrogen]]. Because it is an [[aromatic hydrocarbon]], it burns with an orange-yello ...ttach to form a polystyrene chain (with each carbon attached with a single bond to two other carbons and a phenyl group).
    36 KB (5,017 words) - 10:14, 20 September 2010
  • ...Lee KJ, Jeong HG |title=Protective effects of kahweol and cafestol against hydrogen peroxide-induced oxidative stress and DNA damage |journal=Toxicol. Lett. |v ...ulic acid]] and 3,4 dimethoxycinnamic acid which are connected by an ester-bond to the [[hydroxyl]] groups of [[quinic acid]] (1alpha, 3R, 4alpha, 5R-tetra
    29 KB (4,179 words) - 10:14, 20 September 2010
  • of the molecules is produced which leads to the bursting of the hydrogen bridges; ...he moisture balance occurring within the yarn, salt is liberated again and hydrogen bridges are formed. Now the individual polypeptide chains can no longer be
    16 KB (2,532 words) - 10:15, 20 September 2010
  • ...(molecule)|water]]; it has the same properties and the same [[ratio]] of [[hydrogen]] to [[oxygen]] whether it is isolated from a river or made in a [[laborato ...structure|crystalline lattice]]. Compounds based primarily on carbon and hydrogen atoms are called [[organic compound]]s, and all others are called [[inorgan
    15 KB (2,242 words) - 10:17, 20 September 2010
  • ...motif as [[cadmium iodide]]. The layers are interconnected by [[hydrogen bond]]s.
    10 KB (1,311 words) - 10:20, 20 September 2010
  • ...aged by exposure to water. While it can be waterproofed through [[Covalent bond|covalent]] [[waterproofing]], if waterproofing is absent or if the waterpro * Blueboard, blue face paper forms a strong bond with a skim coat or a built-up plaster finish providing both water and mold
    32 KB (4,776 words) - 10:23, 20 September 2010
  • ...industrially synthesized by reducing the corresponding [[nitrophenol]] by hydrogen in the presence of various catalysts. The nitrophenols can also be reduced The compound contains an internal [[hydrogen bonding|hydrogen bond]] between the neighbouring amine and hydroxyl groups that partly co-ordinat
    4 KB (476 words) - 13:11, 20 September 2010
  • ...tionic component of a tecton used to build a porous [[anionic]] [[Hydrogen Bond]]ed Network. ({{doi|10.1021/ja042233m}})
    5 KB (638 words) - 13:12, 20 September 2010
  • ...hydrogen atoms removed from carbon number 2, leaving two vacant [[chemical bond]]s — which makes it a [[carbene]].
    3 KB (337 words) - 13:16, 20 September 2010
  • The epoxy cycle of ethylene oxide is an almost regular triangle with bond angles of about 60° and a significant angular stress corresponding to the ...nergy required to break two C–O bonds in the ethylene oxide or one C–O bond in [[ethanol]] and [[dimethyl ether]]:<ref>{{cite book
    82 KB (11,709 words) - 21:31, 20 September 2010
  • ...]-[[annulene]] ([6]-annulene), a cyclic hydrocarbon with a continuous [[pi bond]]. It is also related to the functional group [[arene]] which is a generali ...uthor= [[Michael Faraday|M. Faraday]]|title=On New Compounds of Carbon and Hydrogen, and on Certain Other Products Obtained during the Decomposition of Oil by
    45 KB (6,444 words) - 21:33, 20 September 2010
  • ...e in which each atom is bound to each of the other three atoms by a single bond. This unstable allotrope, being molecular, is the most volatile, least [[De ...m sulfur and other chalcogens is achieved by sublimation in vacuum or in a hydrogen atmosphere or by distillation from molten lead-arsenic mixture.<ref>{{cite
    51 KB (7,314 words) - 21:34, 20 September 2010

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