نتایج جستجو برای: in situ esterase activity
تعداد نتایج: 17138958 فیلتر نتایج به سال:
Tomato leafminer, Tuta absoluta Meyrick (Lepidoptera: Gelechiidae) is one of the most destructive pests of tomato in many parts of the world including Iran. The toxicity of emamectin benzoate alone and combined with acetamiprid, eforia (thiamethoxam + lambda-cyhalotrin) and hexaflumuron was evaluated against 2nd instar larvae of Tuta absoluta (Meyrick) under 25 ± 1 °C, the relative humidity of ...
BACKGROUND Diabetes mellitus as a chronic metabolic disease occurs in patients with partial or complete deficiency of insulin secretion or disorder in action of insulin on tissue. The disease is known to provide conditions for overgrowth of Candida species. Candida spp. cause candidiasis by many virulence factors such as esterase, hemolysin and phospholipase. OBJECTIVES This study aimed to co...
PURPOSE This study provides milestones for phonological development in African American English (AAE) speakers who are learning Mainstream American English (MAE) as a second dialect. METHOD The Dialect Sensitive Language Test (DSLT; H. Seymour, T. Roeper, & J. G. de Villiers, 2000) was administered to a nationwide sample of typically developing children ages 4 through 12: 537 speakers of AAE ...
چکیده این پژوهش به منظور بررسی تغییرات ترکیبات شیمیایی و ارزش غذایی سیلاژ ذرت با افزودن درصدهای مختلف اوره به روش in vitro و in situ انجام شد. بدین منظورگیاه ذرت در مرحله نیمه خمیری دانه ها در شهریور ماه برداشت و جهت سیلو نمودن به قطعات 4– 3 سانتیمتری خرد گردید. سپس با سه سطح اوره شامل(5/0 ، 75/0 و 1 درصد) و یک سطح بدون اوره به عنوان شاهد مخلوط و در سطلهای پلاستیکی 5 کیلوگرمی سیلو شدند. سیلو...
The cholinergic deficit in Alzheimer’s disease (AD) remains the cornerstone for the understanding of chemical signal transfer. Hypofunctions of cholinergic systems are significantly involved in the signs and symptoms of senile dementia of the Alzheimer type. Cognitive deficits in AD have been widely associated with dysfunction of the cholinergic system. As a diagnostic marker of AD the activity...
Pepstatin is a potent peptidyl inhibitor of various malarial aspartic proteases, and also has parasiticidal activity. Activity of pepstatin against cultured Plasmodium falciparum is highly variable depending on the commercial source. Here we identify a minor contaminant (pepstatin butyl ester) as the active anti-parasitic principle. We synthesize a series of derivatives and characterize an anal...
A novel microbial esterase, EaEST, from a psychrophilic bacterium Exiguobacterium antarcticum B7, was identified and characterized. To our knowledge, this is the first report describing structural analysis and biochemical characterization of an esterase isolated from the genus Exiguobacterium. Crystal structure of EaEST, determined at a resolution of 1.9 Å, showed that the enzyme has a canonica...
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