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Define Regents for Estimation of Vitamin C - Colorimetric Method?
1. 2, 4 dinitrophenylhydrazine reagent - Dissolve 2 g of dinitrophenyl hydrazine in 100 ml of 9N sulphuric acid and allow to stand overnight. Mix and use.
2. 5% thiourea solution - Dissolve 25 g of thiourea in 500 ml of distilled water.
3. 9N sulphuric acid
4. 85% sulphuric acid
5. 0.6% copper sulphate
6. Colour reagent or Dinitrophenylhydrazine - thiourea - copper sulphate (DTC) reagent - Mix
7. 5% trichloroacetic acid (TCA)
8. 5% metaphosphoric acid in 10% acetic acid solution - Mix 1000 ml of 5% metaphosphoric acid and 500 ml of 10% acetic acid.
9. Ice for cooling.
Although fructose does not have an aldehyde group it reacts first of all bonds of fructose was breaked by fehling solution then fructose coverted to aldehydic group then that
Search the web (mainly IEEE and ACM) publication databases to find a recent article on a biomedical application using a microcontroller. Clearly cite your reference(s). In your
9. A simple and inexpensive screening method has been developed to identify individuals with HIV infection at routine medical check-ups. To study the sensitivity and specificity, t
Why does the recombination frequency of genes vary with the distance between them in the chromosome? The farther the distance among the loci of two genes in a chromosome the hi
Minerals :- Phosphates Food Source Ubiquitous, animal products tend to be good sources Nutritional Functional role Essential nutrient: Deficiency is rare due
Define Interaction of Vitamin C with other vitamins? a. Ascorbic acid and other vitamins: Ascorbic acid synthesis is diminished in thiamin and riboflavin deficiency. Vitamin
Q What are the few examples of annelids? Earthworms, lugworms and leeches. Q. Which are the morphological features that differentiate the beings of the phylum Annelida from
Addition of glycine to the physiological saline A complete motor neuron is removed from a frog and placed in a large volume of normal physiological saline. The neuron is heal
Hormone s . Cortical steroids (corticoids-hormones of adrenal cortex) are grouped into three catagories : mineralocorticoids, glucocorticoids and gonadocorticoids. (i) Mine
What is Septal Ablation (TASH/PTSMA) ? This is a nonsurgical interventional treatment. The septal myocardium supplied by 1 st septal branch of left anterior descending artery
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