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- The authors have used a chiral HPLC column (separating phase) to analyze compounds 4 and 5. Briefly describe a) the way a chiral HPLC column works to separate natural products of the Actinopyrone family and b) briefly comment on the general applicability of chiral HPLC columns in natural products research.From the SDS for 4-nitrobenzaldehyde, what does the Hazard Code H317 refer to? 1) Skin sensitisation (Category 1) 2) Explosive; mass explosive hazard 3) Contains gas under pressure; may explode if heated O 4) May cause drowsiness or dizzinessBased on the USP XXII and NF XVIII, list the part of a monograph of the following: crude drug, natural product, and natural derivatives. The given question to me is: What is a pharmacopeial monograph? Based on the USP XXII and NF XVIII, list the part of a monograph of the following: crude drug, natural product, and natural derivatives.
- Find the (A) innovator brands of these drugs, (B)leading brands in the Philippine market and the (C) taxonomical source of these drugs Donepezil Edrophonium Demecarium Physostigmine Pyridostigimine Amberonium Parathion Malathion EchoThiophosphate IsoptoFluorophosphate1. An extruded breakfast cereal was analysed for total fibre using AOAC Method 991.43 (AACC Method 32-07), giving the following results: Sample wt (mg) 1023.6 Residue wt (mg) 155.1 Protein wt (mg) 13.1 Ash wt (mg) 22.5 Blank wt (mg) 7.1 Resistant starch (mg) 35.9 To the appropriate number of significant figures, what is the percent total fibre (a) without and (b) with correction for resistant starch? Show your working.Which of the following is incorrect about blood glucose test interpretation A) fasting plasma glucose 6.1-6.8 defined as having IGT and should probably be screened again after a year or so. B) 2 results>7mmmol/l defined as having diabetes C) fasting plasma glucose >6mmol, recall for further test. D) fasting or random plasma glucose, on one reading of <11.1mmol/l is diagnostic of diabetes
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- A researcher is interested to test the antibacterial activity of a Philippine Plant crude extracts against Beta-lactamase producing Klebsiella pneumonia isolated in a hospital setting. He will use the following concentrations of crude extract, 500mg/ml, 250mg/ml and 100mg/ml. Positive control: Tetracycline 10mg/ml and DMSO as the negative control. Given this research scenario kindly construct a research framework.Determine the Ki for the inhibitor at 30 °Cand decide what type of inhibitor is being used. Eo T I S V (g/I) (°C) (mmol/ml) (mmol/ml) (mmol/ml-min) 1.6 30 0.1 2.63 1.6 30 0.033 1.92 1.6 30 0.02 1.47 1.6 30 0.01 0.96 1.6 30 0.005 0.56 1.6 49.6 0.1 5.13 1.6 49.6 0.033 3.70 1.6 49.6 0.01 1.89 1.6 49.6 0.0067 1.43 1.6 49.6 0.005 1.11 0.92 30 0.1 1.64 0.92 30 0.02 0.90 0.92 30 0.01 0.58 0.92 30 0.6 0.1 1.33 0.92 30 0.6 0.033 0.80 0.92 30 0.6 0.02 0.57after a 5 g onion sample is divided into two equal parts, heat treatment to one of these partsit is being implemented. Then both heat-treated and non-treated parts are 10 times their weightit is ground in an environment containing as much buffer and the determination of pyruvate in the supernatants obtainedit's being done.a) As a result of measurements taken at 520 nm; absorbance value for the heat-treated sample;it was found that the absorbance value in the sample that was not heat treated was 0.123 and the absorbance value in the sample that was not heat treated was 0.520.The equation of the calibration accuracy for pyruvate is that y = 0.1367x – 0.001 (nmol/mL)according to the onion sample; a) independent of alinase activity; b) dependent on alinase activityand c) calculate the total pyruvate amounts in terms of nmol/g of onion.b) How is there a relationship between the activity of the enzyme allinase in onions and the amount of pyruvate?Dec,please explain.