نتایج جستجو برای: hplc quantification
تعداد نتایج: 111713 فیلتر نتایج به سال:
background and objectives:drimia maritima (l.) stearn also known as squill is a medicinally important plant that has been used for various ailments such as dropsy, respiratory disorders, jaundice and epilepsy from ancient times. proscillaridin a is identified as one of the most effective compounds in the plant with remarkable pharmacological features including efficacy against congestive heart ...
Determination of drug residues in food is of great importance due to their toxicity. Long-term exposure with low level of drug residues could be important, especially in children. Based on document study, oxytetracycline (OTC) is a prophylaxis and treatment agent for great number of diseases and possesses a broad spectrum activity against many pathogenic organisms and can be toxic or cause alle...
Abstract Background Apigenin (4?, 5, 7-trihydroxyflavone), a flavonoid, is present usually in fruits and vegetables possessing numerous biological properties like antioxidant, anti-viral, antibacterial, anti-inflammatory, chemoprevention activity. So study was aimed to prepare characterize nanoliposomes of apigenin estimate its encapsulation efficiency by stability-assisted reverse-phase (RP)-H...
a rapid, specific and accurate proton quantitative nuclear magnetic resonance spectroscopic (1h qnmr) and also a reversed phase derivatization hplc method have been developed to quantify a toxic, uv-visible inactive and non-volatile impurity n,n-dimethylamine hydrochloride (dma∙hcl) in metformin hydrochloride (mf∙hcl), an active pharmaceutical ingradient. the method is based on proton quantitat...
Two multivariate calibration methods are compared for the simultaneous chromatographic determination and separation of Sulfamethoxazole (SMX) and Phthalazine (PHZ) by High Performance Liquid Chromatography (HPLC). Multivariate calibration techniques such as Classical Least Squares (CLS) and Inverse Least Squares (ILS) were introduced into HPLC to determine the quantification by using UV detecto...
In order to overcome many limitations of immunoassays, high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) has the potential to find its place in the clinical laboratory medicine for quantification of steroid hormones. A prerequisite for the application of a new analytical procedure in clinical diagnostics is standardization to minimize analytical intra- and interlabora...
The purpose of this study was to establish a collagen determination method based on an isotope-labeled peptide as internal reference via high-performance liquid chromatography–tandem mass spectrometry (HPLC–MS/MS), and using the established evaluate degradation process collagen-based implants in vivo. specific (GPAGPQGPR) bovine type I identified with Orbitrap spectrometer. Then, quantification...
Determination of drug residues in food is of great importance due to their toxicity. Long-term exposure with low level of drug residues could be important, especially in children. Based on document study, oxytetracycline (OTC) is a prophylaxis and treatment agent for great number of diseases and possesses a broad spectrum activity against many pathogenic organisms and can be toxic or cause alle...
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