Results 61 to 70 of about 895,341 (164)

Ring Expansion Reactions via C-N Bond Cleavage in the Synthesis of Medium-sized Cycles and Macrocycles

open access: yesЖурнал органічної та фармацевтичної хімії
The literature review discusses and systematizes synthetic approaches to medium-sized cycles and macrocycles based on ring expansion reactions of bi- or polycyclic systems via C-N bond cleavage. Ring expansion reactions of bicyclic ammonium salts proceed
Viacheslav Lysenko   +2 more
doaj   +1 more source

Oxidative C–C bond cleavage of N-alkoxycarbonylated cyclic amines by sodium nitrite in trifluoroacetic acid [PDF]

open access: yes, 2008
Oxidative carbon–carbon bond cleavage of N-alkoxycarbonylated cyclic amines was accomplished by NaNO2 in TFA to afford ω-amino carboxylic acid in high yield.
Demizu, Yosuke   +6 more
core   +1 more source

Questioning the Secular-Religious Cleavage in Palestinian Politics: Comparing Fatah and Hamas [PDF]

open access: yes, 2014
Following the 2007 war between Fatah and Hamas, Palestinian politics appears to have followed the regional trend where the competition between secularism and Islamism is developing into a major political cleavage. Through comparisons of the two movements’
Løvlie, Frode
core   +1 more source

The Cleavage Model, Ethnicity and Voter Alignment in Africa: Conceptual and Methodological Problems Revisited [PDF]

open access: yes
Recent research on political parties and ethnicity has challenged the conventional wisdom about ethnicity as the major factor that explains voter alignment in Africa.
Gero Erdmann
core  

The Election of the Constituent Assembly of 1914. Positions regarding Electoral Reform and Agrarian Reform

open access: yesSfera Politicii, 2018
In this article we explain the main stakes of the electoral campaign held on the elections of 18, 20, 22 May 1914 [Chamber of Deputies] and 24, 26, 28 May 1914 [Senate], identifying the main themes present during the electoral debate.
Vladimir-Adrian Costea
doaj  

Critical role of cytochrome c1 and its cleavage in porcine reproductive and respiratory syndrome virus nonstructural protein 4-induced cell apoptosis via interaction with nsp4

open access: yesJournal of Integrative Agriculture, 2017
Porcine reproductive and respiratory syndrome virus (PRRSV) actively induces cell apoptosis both in vitro and in vivo, which can contribute critically to viral pathogenesis.
Feng ZHANG   +5 more
doaj   +1 more source

Identification of calpain cleavage sites in the G1 cyclin-dependent kinase inhibitor p19(INK4d) [PDF]

open access: yes, 2006
Calpains are a large family of Ca2+-dependent cysteine proteases that are ubiquitously distributed across most cell types and vertebrate species. Calpains play a role in cell differentiation, apoptosis, cytoskeletal remodeling, signal transduction and ...
Popp, Oliver   +15 more
core   +1 more source

Destruxin E Decreases Beta-Amyloid Generation by Reducing Colocalization of Beta-Amyloid-Cleaving Enzyme 1 and Beta-Amyloid Protein Precursor [PDF]

open access: yes, 2009
Alzheimer-disease-associated beta-amyloid (A beta) is produced by sequential endoproteolysis of beta-amyloid protein precursor (beta APP): the extracellular portion is shed by cleavage in the juxtamembrane region by beta-amyloid-cleaving enzyme (BACE ...
Nakano, Yuko   +27 more
core   +1 more source

Overview and analysis of the polyprotein cleavage sites in the family Potyviridae

open access: yes, 2005
The genomes of plant viruses in the family Potyviridae encode large polyproteins that are cut by virus-encoded proteases into ten mature proteins. Three different types of protease have been identified, each of which cuts at sites with a distinctive ...
MICHAEL J. ADAMS   +5 more
core   +1 more source

Interação e clivagem de DNA por complexos binucleares de cobre (II) com ligantes contendo o grupo triazina e cadeias laterais funcionalizadas [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015.O estudo de moléculas sintéticas ou biológicas que possam interagir e clivar o DNA de ...
Saibert, Cristine
core  

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