نتایج جستجو برای: sors

تعداد نتایج: 261  

2013

The development of compositional distribu-tional models of semantics reconciling the em-pirical aspects of distributional semantics withthe compositional aspects of formal seman-tics is a popular topic in the contemporary lit-erature. This paper seeks to bring this rec-onciliation one step further by showing howthe mathematical constructs commonly usedin composit...

2014
Magdalena Jaszek Katarzyna Kos Anna Matuszewska Marcin Grąz Dawid Stefaniuk Monika Osińska-Jaroszuk Monika Prendecka Ewa Jóźwik Krzysztof Grzywnowicz

The effect of menadione (MQ; 2-methyl-1,4-naphtoquinone), a superoxide-generating agent, on the natural biodegradation system in the medicinal white rot fungus Phellinus pini was determined. While measuring the activities of extracellular manganese-dependent peroxidase (MnP) and intracellular chitinase, it was found that the application of MQ (0.75 mM) distinctly stimulated the activities of th...

Journal: :Journal of the American Chemical Society 2005
Christelle Mathé Vincent Nivière Tony A Mattioli

Superoxide reductase (SOR) catalyzes the reduction of O2*- to H2O2. Its active site consists of a non-heme Fe2+ center in an unusual square-pyramidal [His4 Cys] coordination. Like many SORs, the electronic absorption band corresponding to the oxidized active site of the SOR from Desulfoarculus baarsii exhibits a pH-dependent alkaline transition changing from ca. 644 to 560 nm as the pH increase...

2011
Jean-Loup Huret

ID4 is one of the members of the ID gene family: "Inhibitors of DNA binding". They are transcription factors which act as transcription inhibitory proteins. They are basic helix-loop-helix (bHLH) proteins which contain the bHLH dimerization domain, but lack the DNA binding domain. They are able to form heterodimers with other bHLH proteins, but inhibit the DNA binding, inactivating the process....

2014

Three groups of 10 Introductory psychology students were tested for mode of perceptual, defense on a= tachistO" scoplc task# Scores on Byrne8s Repression-Sensltization (R"S) Scale defined these groups as, respectively, repres­ sors, neutrals $ and sensitizers, Byrne assumes that his scale classifies Individuals along a pervasive repressionsensitization continuum, defined at one end by avoiding ...

2013
Chia-Hui Cindy Shen

Tablet PCs have become a powerful instructional device for students to read and write stories (Robin, 2008). To assist young learners to cultivate efficient learning strategies in the early ages, students in the current study were guided to read three authentic online storybooks and then write their own digital stories with the Android applications. The study aims to investigate Taiwanese eleme...

Journal: :Iskolakultúra (Budapest. 1991. Nyomtatott) 2022

A tanulási célú szövegek olvasása a gyakorlott olvasó számára is jelenthet kihívást (Palincsar és Brown, 1984). nehézséget okozó megértésére, az azokban való tájékozódásra jó megoldás olvasási stratégiák használata. Mivel tanárok olvasók, metakognitív tudásuk szövegértésről hatással van diákjaikra (Soodal mtsai, 2017), fontos felmérni, hogy következő generációja hogyan olvas, hol szüksége segít...

Journal: :IEEE Trans. Parallel Distrib. Syst. 1996
Evan Torrie Margaret Martonosi Chau-Wen Tseng Mary W. Hall

Compiler-parallelized applications are increasing in importance as moderate-scale multiproces-sors become common. This paper evaluates how features of advanced memory systems (e.g., longer cache lines) impact memory system behavior for applications amenable to compiler par-allelization. Using full-sized input data sets and applications taken from standard benchmark suites, we measure statistics...

Journal: :International Journal of High Speed Computing 1995
Stella C. S. Porto Celso C. Ribeiro

Parallel programs may be represented as a set of interrelated sequential tasks. When multiproces-sors are used to execute such programs, the parallel portion of the application can be speeded up by an appropriate allocation of processors to the tasks of the application. Given a parallel application deened by a task precedence graph, the goal of task scheduling (or processor assignment) is thus ...

Journal: :Journal of the American Chemical Society 2006
Terutaka Kitagawa Abhishek Dey Priscilla Lugo-Mas Jason B Benedict Werner Kaminsky Edward Solomon Julie A Kovacs

Superoxide reductases (SORs) are cysteine-ligated, non-heme iron enzymes that reduce toxic superoxide radicals (O2-). The functional role of the trans cysteinate, as well as the mechanism by which SOR reduces O2-, is unknown. Herein is described a rare example of a functional metalloenzyme analogue, which catalytically reduces superoxide in a proton-dependent mechanism, via a trans thiolate-lig...

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