نتایج جستجو برای: ellman test

تعداد نتایج: 812327  

Journal: : 2023

Thiên niên kiện lá lớn đã được sử dụng trong y học cổ truyền từ lâu đời. Các đặc điểm vi phẫu và thành phần bột dược liệu của loài này vẫn chưa mô tả một cách toàn diện. Nghiên cứu phẫu, soi bột, đánh giá hoạt tính ức chế acetylcholinesterase chống oxy hoá lớn. bằng phương pháp kính hiển vi. Hoạt enzyme Ellman hóa thực hiện trên hình loại bỏ gốc tự do 2,2-diphenyl-1-picrylhydrazyl (DPPH). Đây l...

Journal: :Separations 2023

Bioactive compounds from plants play an important role in slowing many neurodegenerative diseases, such as Alzheimer’s disease, by inhibiting cholinesterase enzymes. Studies have shown that oxidative stress is associated with the development of disease. In traditional medicine Bosnia and Herzegovina, Teucrium montanum used to treat numerous diseases. The chemical composition biological activity...

Journal: :journal of basic and clinical pathophysiology 0
gholamali naderi associate professor - department of biochemistry, school of medicine, shahed university, tehran, iran mehrdad roghani professor of medical physiology - neurophysiology research center, shahed university, tehran, iran

background and objective: changes of the enzyme acetylcholinesterase are involved in pathogenesis of different nervous disorders including alzheimer’s disease. this research work was conducted to evaluate the inhibitory effect of pistacia lentiscus ethanolic extract on acetylcholinesterase activity. materials and methods: activity of the enzyme acetylcholinesterase (ache) was measured by ellman...

پایان نامه :0 1374

in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1390

this study was an attempt to investigate and compare the effect of lexical inferencing and concept mapping on developing vocabulary retention of iranian language learners. sixty homogeneous students from different intact classes who were being taught as intermediate learners in sokhan english institute participated in this study. they were in different classes. a teacher made test as a pre-test...

Journal: :Annals of agricultural and environmental medicine : AAEM 2014
Robert Zdanowski Małgorzata Krzyżowska Sławomir Lewicki Piotr Rutkowski Monika Leśniak Marek Saracyn Marcin Niemcewicz Aleksander Michalski Marek Kowalczyk

INTRODUCTION AND OBJECTIVE Acetylcholinesterase (AChE) and cholinergic receptors play an important role in the immune system, including lymphocyte-induced angiogenesis. However, their exact role is not fully understood. The presented work tests the influence of isopropyl methylphosphonofluoridate (IMPF), an irreversible inhibitor of AChE, on selected immune parameters associated with angiogenes...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - دانشکده داروسازی 1393

در این پایان نامه به بررسی اثرات ضد دردی تعدادی از مشتقات n_اریل ایزوایندول که دارای فارماکوفر فتالامید ها هستند در دو مدل تست صفحه داغ و تزریق اسید استیک پرداخته میشود و به نظر می رسد که این ترکیبات از طریق مهار انزیم سیکلو اکسیژنار اثرات ضد دردی خود را اعمال میکنند.

Journal: :Tropical Journal of Pharmaceutical Research 2022


 Purpose: To investigate the acetylcholinesterase (AChE) inhibitory potential of columbin and also to assess its binding affinity against AChE protein.
 Methods: Crystals were isolated from ethyl acetate fraction Tinospora cordifolia using column chromatography structure was determined x-ray crystallography. Ellman colorimetric assay used determine effect in vitro while molecular doc...

Journal: :متن پژوهی ادبی 0
ا رستم زاده ..

the present study was an attempt to investigate varieties of cloze test and c-test as measures of reading comprehension ability. it aimed at comparing the performances of subjects on different cloze and c-test forms constructed from the same passage. to this end, five versions of cloze test and two versions of c-test were developed by applying different deletion techniques and deletion rates, a...

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