نتایج جستجو برای: baeyer condensation

تعداد نتایج: 32670  

Journal: :J. Symb. Log. 2015
Peter Holy Philip D. Welch Liuzhen Wu

We present a forcing to obtain a localized version of Local Club Condensation, a generalized Condensation principle introduced by Sy Friedman and the first author in [3] and [5]. This forcing will have properties nicer than the forcings to obtain this localized version that could be derived from the forcings presented in either [3] or [5]. We also strongly simplify the related proofs provided i...

Journal: :The EMBO journal 2005
Yuanxin Hu Joyce Yao Zhixue Liu Xia Liu Haian Fu Keqiang Ye

Akt promotes cell survival by phosphorylating and inhibiting components of the intrinsic cell death machinery. Akt translocates into the nucleus upon exposure of cells to survival factors, but little is known about its functions in the nucleus. Here, we show that acinus, a nuclear factor required for apoptotic chromatin condensation, is a direct target of Akt. We demonstrate that Akt phosphoryl...

Journal: :The Journal of Cell Biology 1990
E R Wood W C Earnshaw

We report the development of a new method for producing mitotic extracts from tissue culture cells. These extracts reproducibly promote the condensation of chromatin in vitro when incubated with purified interphase nuclei. This condensation reaction is not species specific, since nuclei from chicken, human, and hamster cell lines all undergo chromatin condensation upon incubation with the extra...

2002

We report the development of a new method for producing mitotic extracts from tissue culture cells. These extracts reproducibly promote the condensation of chromatin in vitro when incubated with purified interphase nuclei. This condensation reaction is not species specific, since nuclei from chicken, human, and hamster cell lines all undergo chromatin condensation upon incubation with the extra...

2009
Matthias Rätsch Clemens Blumer Gerd Teschke

The Condensation and the Wavelet Approximated Reduced Vector Machine (W-RVM) approach are joined by the core idea to spend only as much as necessary effort for easy to discriminate regions (Condensation) and measurement locations (W-RVM) of the feature space, but most for regions and locations with high statistical likelihood to contain the object of interest. We unify both approaches by adapti...

Journal: :iranian journal of catalysis 2014
khodabakhsh niknam seyed ahmad sajadi roghayeh hosseini mojtaba baghernejad

silica-bonded n-propyldiethylenetriamine sulfamic acid (sbpdsa) was found as an efficient solid acid for the synthesis of coumarins. coumarin derivatives were obtained via the pechmann condensation reaction of phenols and β-keto-esters at 80 oc under solvent-free conditions. also, biscoumarins were obtained via the condensation of aldehydes and 4-hydroxycoumarin in water at reflux conditions. t...

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