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تعداد نتایج: 20440319 فیلتر نتایج به سال:
hepatitis c virus (hcv) encodes two envelope glycoproteins, e1 and e2. our previous work selected a specific aptamer ze2, which could bind to e2 with high affinity, with a great potential for developing new molecular probes as an early diagnostic reagents or therapeutic drugs targeting hcv. in this study, the binding sites between e2 and aptamer ze2 were further explored. e2 was truncated to 15...
acrylamide (aa) is an important industrial chemical agent that is mainly used in the production of polymers and copolymers. recently it has been attention because of its production in the diet at high-temperature (>120 ºc) processes such as cooking, frying, toasting, roasting or baking of high carbohydrate foods. according to high exposure to acrylamide, recognition of its toxic effect is neces...
Background: Coronary heart disease (CHD) is a leading cause of death worldwide and hypertriglyceridemia and hypercholesterolemia are major risk factors for the disease. Considering the role of hyperlipidemia as the underlying cause of cardiovascular mortalities and morbidities, and the limited and conflicting results of studies on CETP gene polymorphisms in Iran, we aimed to study -971 G/A poly...
a new and simple method followed by atomic absorption spectrometry has been developedfor indirect determination of ascorbic acid (aa). the proposed method was based on the oxidationof aa to dehydroascorbic acid with cu2+cation(200mgl-1)in an ammonium thiocyanatesolution atph2.4. aa reduces cu2+to cu+followed by the precipitation of cu+ with scn-. then, the excess ofcu2+in the solution was measu...
ژنbmp15 به عنوان یک ژن دارای اثر عمده بر نرخ تخمک گذاری و دوقلوزایی شناخته شده است. در مطالعه حاضر چند شکلی های اگزون های 1 و 2 ژن bmp15 و ارتباط آن ها با چند صفت تولید مثلی با کمک روش های چند شکلی فضایی تک رشته ای (sscp) و توالی یابی dna در 100 میش نژاد مهربان و 100 میش نژاد لری مورد ارزیابی قرار گرفت. در هر نژاد 15 راس از میش ها دارای بیشترین چندقلوزایی و 85 راس باقیمانده بطور تصادفی انتخاب ش...
In the present contribution, a facile and efficient protocol for synthesis a nanohybrid structure of core-coronal-shell ZnO@ZIF-8 using ascorbic acid (ZnO@AA/ZIF-8) as a new adsorbent for arsenic removal from water has been represented. For this purpose, the ZnO nanospheres were synthesized by a green and simple method followed by coating with ascorbic acid (AA) to modify their surface to achie...
The acute-phase proteins serum amyloid A protein (SAA) and secretory phospholipase A2 (sPLA2) are simultaneously expressed during inflammatory conditions. SAA associates with high-density lipoprotein (HDL) altering its physicochemical composition. We found that purified acute-phase SAA, but not the constitutive form, markedly enhances the lipolytic activity of sPLA2 in a dose-related manner wit...
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