نتایج جستجو برای: سالیسیلیکاسید sa
تعداد نتایج: 27740 فیلتر نتایج به سال:
The strong specific binding of streptavidin (SA) to biotin is utilized in numerous biotechnological applications. The SA tetramer is also known to exhibit significant stability, even in the presence of sodium dodecylsulfate (SDS). Despite its importance, relatively little is known about the nature of the thermal denaturation pathway for SA. This work uses a homogeneous SA preparation to expand ...
In this paper we study new stochastic approximation (SA) type algorithms, namely, the accelerated SA (AC-SA), for solving strongly convex stochastic composite optimization (SCO) problems. Specifically, by introducing a domain shrinking procedure, we significantly improve the large-deviation results associated with the convergence rate of a nearly optimal AC-SA algorithm presented in [4]. Moreov...
The flexure parallel mechanism (FPM) possessing selective actuation (SA) feature can be used as a micromanipulation system. The design of FPMs with the SA characteristic consists of type synthesis of parallel mechanisms possessing the required number of degree of freedom (DOF), geometric arrangement of the structure to obtain the SA and conversion of the kinematic mechanism into the flexure mec...
The alloreactive cytotoxic T lymphocytes (CTL) were generated by coculturing peripheral blood mononuclear cells (PBMC) with allogeneic Sa cells (an Epstein-Barr virus [EBVI-transformed B-cell line). The CTL did not proliferate in response to UV-B-irradiated Sa cells unless exogenous interleukin-2 (IL-2) was present, although they could kill the UV-B-irradiated Sa cells. The results indicate tha...
Every day for 3 weeks, 41 participants provided measures of their state private and public self-consciousness (self-awareness, SA), and anxiety, and they described the events that occurred each day. Multilevel random coefficient modeling analyses found that daily private and public SA were positively related to the importance and frequency of daily negative social events and to daily anxiety. P...
Salicylic acid (SA) has been shown to regulate various aspects of growth and development; it also serves as a critical signal for activating disease resistance in Arabidopsis thaliana and other plant species. This review surveys the mechanisms involved in the biosynthesis and metabolism of this critical plant hormone. While a complete biosynthetic route has yet to be established, stressed Arabi...
Suicide attempts (SAs) are common among those who engage in non-suicidal self-injury (NSSI). It is therefore important to determine which suicide risk factors are most predictive of SA among those who self-injure. Toward this aim, we conducted a systematic review of studies examining predictors of SA history among self-injurers. A total of 52 empirical articles provided data comparing self-inju...
Increasing evidence suggests that heat acclimation and exogenous salicylic acid (SA) and abscisic acid (ABA) may lead to the enhancement of thermotolerance in plants. In this study, the roles that free SA, conjugated SA, ABA, and phosphatidylinositol-4,5-bisphosphate (PIP(2))-specific phospholipase C (PLC) play in thermotolerance development induced by heat acclimation (38 degrees C) were inves...
Millions of people rely on aspirin to treat their headaches, fevers, and other ailments. But most people do not know that the active ingredient in aspirin was first discovered in plants. In humans, the body converts aspirin into a substance called salicylic acid (SA). Plants make SA. They use it to help defend themselves against infection. To discover how SA works in plants, we used powerful me...
BACKGROUND We estimated the nationwide burden of nosocomial S. aureus bloodstream infection (SA-BSI), a major cause of nosocomial infection, in South Korea. METHODS To evaluate the nationwide incidence of nosocomial SA-BSI, cases of SA-BSI were prospectively collected from 22 hospitals with over 500 beds over 4?months. Data on patient-days were obtained from a national health insurance databa...
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