نتایج جستجو برای: snap
تعداد نتایج: 7112 فیلتر نتایج به سال:
Background and purpose:There is growing interest in employing screening procedures to identify critical infants at the beginning of hospitalization at NICU and adjusting death rate with severity of early disease. Most of studies were carried out on preterm infants born in the same center. The aim of this study was to compare the diagnostic power of SNAP-PE, SNAP, and CRIB indices in determini...
abstract background: clinical risk index of babies (crib), score for neonatal acute physiology (snap), an update of the clinical risk index for babies score (crib ii) and score for neonatal acute physiology - perinatal extension (snap-pe) are scoring devices developed in neonatal intensive care units. this study reviewed these scoring systems in critically ill neonates to determine how well the...
سابقه و هدف: امروزه استفاده از روشهایی برای شناخت نوزادان بد حال در ابتدای بستری در بخش های ویژه نوزادان و تطبیق میزان مرگ بیماران با شدت بیماری اولیه در حال افزایش است. بیشتر مطالعات بر روی نوزادان نارس و متولد شده در همان مرکز صورت گرفته است. هدف از این مطالعه ارزیابی قدرت snap-pe, snap, crib در تعیین شدت بیماری و پیشبینی مرگ نوزادان ارجاع شده از سایر مراکز به بخش ویژه نوزادان بیمارستان بوعلی...
the objective of this study was to determine the effects of grasp conditions (types of grasp, grasp width, glove and types of coupling) on maximal pushing force (mpf) and required pinch force (rpf) during snap fit assembly. the results indicated that the type of grasp, the type of coupling and wearing gloves have significant (p
هدف این تحقیق ، بررسی ویژگی های روان سنجی مقیاس درجه بندی اسنپ چهار، فرم معلم ( snap-iv ) در دانش آموزان دوره ابتدایی شهر اصفهان است. روش پژوهش توصیفی و جامعه آماری آن شامل کلیه دانش آموزان دوره ابتدایی شهر اصفهان در سال تحصیلی 89-88 بود. حجم نمونه برابر با 600 نفر، روش نمونه گیری تصادفی خوشه ای چند مرحله ای و ابزارهای اندازه گیری شامل مقیاس درجه بندی اسنپ چهار، فرم معلم ( snap-iv )، مقیاس درجه...
The SNAP receptor (SNARE) complex, consisting of synaptosome-associated protein of 25 kDa (SNAP-25), synaptobrevin-2, and syntaxin-1, is involved in synaptic vesicles exocytosis. In addition, SNAP-25 has been implicated in constitutive exocytosis processes required for neurite outgrowth. However, at least three isoforms of SNAP-25 have been reported from neurons: SNAP-23, which is also present ...
Neuronal dense-core vesicles (DCVs) transport and secrete neuropeptides necessary for development, plasticity and survival, but little is known about their fusion mechanism. We show that Snap-25-null mutant (SNAP-25 KO) neurons, previously shown to degenerate after 4 days in vitro (DIV), contain fewer DCVs and have reduced DCV fusion probability in surviving neurons at DIV14. At DIV3, before de...
Soluble N-ethylmaleimide-sensitive factor attachment protein (SNAP)-25 is a neuronal SNARE protein essential for neurotransmitter release from presynaptic terminals. Three palmitoylated SNAP-25 family proteins: SNAP-25a, SNAP-25b, and SNAP-23, are expressed in the brain, but little is known about their distributions and functions. In the present study, we generated specific antibodies to distin...
The SNARE complex, consisting of synaptobrevin, syntaxin, and SNAP-25, is essential for calcium-triggered exocytosis in neurosecretory cells. Little is known, however, about how developmentally regulated isoforms and other cognate SNARE components regulate vesicular fusion. To address this question, we examined neuroexocytosis from chromaffin cells of Snap25 null mice rescued by the two splice ...
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