in descriptive statistics, there are two computational algorithms for determining the variance s2, of a set of observations : algorithm 1: s2= - , algorithm 2: s2= , where . it is interesting to discuss, which of the above formulas is numerically more trustworthy in machine numbers sets. i this paper, based on total effect of rounding error, we prove that the second algorithm is better than ...

medicine had never been error free. medical society has responsibility to reduce the rate of medical errors and should respect to people and patients rights in the case of error occurrence to maintain their trust. waiver of cause of medical errors, what is of importance is recognizing the ethical duty of physician toward her patient in the case of error commitment. in this paper at the first, t...

To develop a new more accurate spectrophotometric method for detecting monoamine oxidase inhibitors from plant extracts, a series of amine substrates were selected and their ability to be oxidized by monoamine oxidase was evaluated by the HPLC method and a new substrate was used to develop a peroxidase-linked spectrophotometric assay. 4-(Trifluoromethyl) benzylamine (11) was proved to be an exc...

In this study, a high-performance liquid chromatographic method (HPLC) and UV spectrophotometric method were developed, validated and applied for the determination of theophylline in biological fluids. Liquid- liquid extraction is performed for isolation of the drug and elimination of plasma and saliva interferences. Urine samples were applied without any extraction. The chromatographic separat...

in this study, a high-performance liquid chromatographic method (hplc) and uv spectrophotometric method were developed, validated and applied for the determination of theophylline in biological fluids. liquid- liquid extraction is performed for isolation of the drug and elimination of plasma and saliva interferences. urine samples were applied without any extraction. the chromatographic separat...

Carboxyhemoglobin (HbCO) saturation in a liquid specimen collected at medicolegal autopsy was analyzed firstly by a spectrophotometric method, which was first reported by Fretwurst et al, modified by Fukui and then modified by the authors, and secondly by a carbon monoxide-total hemoglobin (CO-Total Hb) method developed by the authors. In 70 blood specimens collected from the heart or blood ves...

Development and validation of spectrophotometric method for simultaneous estimation metoprolol succinate olmesartan medoxomil in tabletVachhani Kevin H, Patel Satish A

Procedures have been developed for estimating cystine content of proteins by reducing disulfide bonds with mercaptoethanol and selectively alkylating the generated sulfhydryl groups with 4-vinylpyridine or 2-vinylquinoline. 4-Vinylpyridine reacts with cysteine to produce S-,B-(4-pyridylethyl)cysteine (Pe-cysteine), which can be determined in protein hydrolysates either by ion-exchange chromatog...