نتایج جستجو برای: enzyme determination

تعداد نتایج: 485210  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد یزد - دانشکده شیمی 1392

in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...

Journal: :Cancer research 1985
C Unger H Eibl H W von Heyden G A Nagel

The O-alkyl cleavage enzyme is important for the metabolism of cytotoxic alkyl-lysophospholipids. We have developed a simple new method for the determination of the enzyme activity which is based on the formation of water-soluble phosphate during the enzyme reaction. This is the first assay which avoids the use of radiolabeled substrates.

Journal: :پژوهش های علوم دامی ایران 0
حیدر زرقی ابوالقاسم گلیان حسن کرمانشاهی حسن عاقل

one hundred twenty male broiler chickens of 20 d of age were used to study the effect of enzyme supplementation on the apparent metabolisable energy corrected for nitrogen in corn, wheat and triticale using total excreta collection or marker methods. the average apparent metabolisable energy corrected for nitrogen in corn, wheat and triticale on dry matter basis, were 3480 ±90, 3263 ±61 and 326...

Journal: :JIIS (Jurnal Ilmiah Ibnu Sina): ilmu farmasi dan kesehatan 2023

Photoaging causes the dermis and collagen fibers to decrease which results in skin aging. Genus Bacillus has SOD activity as an anti-photoaging agent that can neutralize ROS (Reactive Oxygen Species) due exposure UV-A rays. This study aimed examine of crude extract encapsulation characteristics liposomes from B. altitudinis. The began with isolation enzyme, determination total protein content e...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

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