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heterolysis
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heterolysis
heterolysis (hɛtəˈrɒlɪsɪs) [f. hetero- + -lysis.] 1. a. The dissolution of blood cells by a heterolysin. b. The dissolution of cells of one kind by an enzyme of cells of another kind.1902 Vaughan & Novy Cellular Toxins (ed. 4) vii. 129 Ehrlich suggests that the hemolytic action of the blood serum of...
Oxford English Dictionary
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Heterolysis
Heterolysis may refer to:
Heterolysis (biology), the apoptosis induced by hydrolytic enzymes from surrounding cells
Heterolysis (chemistry), a chemical
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homolysis
homolysis Chem. (həˈmɒlɪsɪs) [f. homo- + -lysis.] The splitting of a molecule into two neutral atoms or radicals.1938 [see heterolysis 2]. 1966 W. A. Pryor Free Radicals ix. 119 Molecule-induced homolysis is postulated to occur when radicals are formed at an anomalously rapid rate from the interacti...
Oxford English Dictionary
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Homolysis
gives two equal-size daughter cells
Homolysis (chemistry), a chemical bond dissociation of a neutral molecule generating two free radicals
See also
Heterolysis
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Homolysis (chemistry)
Bond cleavage is also possible by a process called heterolysis.
The energy involved in this process is called bond dissociation energy (BDE).
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-lysis
-lysis (lɪsɪs) A word-forming element [f. Gr. λύσις a loosening, parting] in many technical terms, primarily denoting decomposition, disintegration, dissolution. 1. In words in which the first element indicates the agent; e.g. (in Chem.) electrolysis (c 1840), hydrogenolysis; (in Biol.) bacteriolysi...
Oxford English Dictionary
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Heterolysis (biology)
In biology, heterolysis refers to cellular necrosis by hydrolytic enzymes from surrounding (usually inflammatory) cells.
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Heterolysis (chemistry)
They found that the rate of heterolysis depends strongly on the nature of the solvent. The polarizability, nucleophilicity and cohesion of the solvent had a much weaker effect on heterolysis.
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Nitrenium ion
They are typically generated via heterolysis of N–X (X = N, O, Halogen) bonds.
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异裂
异裂(heterolysis)是化学上化学键断裂时,两个成键电子分配到其中一个成键原子上,从而产生一个正离子和一个负离子的过程。最常见的是,电负性较强的原子使电子对保持阴离子,而正电子原子变得更具阳离子性。
异裂裂变几乎总是发生在单键上,该过程通常产生两种片段的物品。
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Fragmentation (mass spectrometry)
This can take place by a process of homolytic cleavage or homolysis or heterolytic cleavage or heterolysis of the bond.
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1,2-rearrangement
Reaction mechanism
A 1,2-rearrangement is often initialised by the formation of a reactive intermediate such as:
a carbocation by heterolysis in a nucleophilic
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键结断裂
非均匀断裂
非均匀断裂(heterolysis)—又称为非均匀分裂—过程中,共价键上的2个电子会一同保留在其中1个生成物上。换句话说,一个生成物将额外获得1个电子,而另一个产物失去1个电子,共产生2个离子,所以此过程又可称为离子式分裂 (ionic fission)。
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Bond cleavage
Heterolytic cleavage
In heterolytic cleavage, or heterolysis, the bond breaks in such a fashion that the originally-shared pair of electrons remain with Heterolysis occurs naturally in reactions that involve electron donor ligands and transition metals which have empty orbitals.
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Alpha-silicon effect
coworkers conducted first experiment to enable comparisons of the effects of α- and β-Si(CH3)3 moieties on the free energies of C-H homolysis and C-H heterolysis
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