This is Problem K7 from Chapter "Alkaloids" (Special Topic K), pg 1004.
Also, why on increasing scan rate, glass transition temperature is not much changing if we take sample in less amount and thermal lag is decreased.
24 March 2024 3,421 2 View
Are you aware of any software application that can automatically compute Hildebrand or Hanson solubility parameters (total and partial) of a given structure from group contribution method (van...
17 January 2024 2,019 0 View
hello every one, and thanks in advance for help, i working on SMEDDS , and the principle is mixing of oil,SAa and Co-SA( chosen from solubility capacity for the required compound to be loaded on)...
27 July 2023 6,010 2 View
i have formulate a nano-emulsion as a drug carrier ,consist of oil,surfactant and co surf. , upon mixing different ratios of oil,SA,CoSA the hydrodynamic measurment is about 20-30nm (average of...
08 May 2023 3,138 3 View
I have formulated a nanoemulsion formula consisting of oil, surfactant, and co-surfactant to be used as a carrier for a low-water-soluble drug in an oral formulation. However, I am unsure about...
06 May 2023 10,008 3 View
hi there, can we consider labrasol as co-surfactant in nano emulsion formulation? and when we can change surfactant to co-surfactant as well, thanks in advance
18 February 2023 1,344 3 View
How to know that phytosomes of a certain plant bioactive compound are worth formulating?
23 October 2022 9,438 0 View
In my view getting to know about family system should be focused on while designing comprehensive rehabilitation strategies(physical, speech and cognition) for Neuromuscular disorders. Family...
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It is highly appreciated if anyone can share his/her experience or any details that show how can simulate pre-stressing forces in RC beam/girders using Abaqus FE.
13 September 2021 1,060 5 View
Anyone know how to measure catalase activity in brain homogenates in terms of μmol/min/g of brain. Reaction was stopped by addition of dichromate and absorbance was measures after 1 min at 570 nm....
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I have performed GC-MS analysis of Phytochemicals from a medicinal plants and also identified compound using NIST library. After NIST identification, I have a list of compounds. I am constructing...
12 June 2024 235 4 View
I have conducted phytochemical screening followed by FTIR for an aqueous plant extract and I want to know how to interpret the FTIR results to determine which phytochemicals are present based on...
02 April 2024 9,782 3 View
Hi guys! We are working on Drugs of abuse using BSN buffers, precipitant with ACQ positive and negative controls using solo 1.8 LC column. With mobile phase methanol and water. We are struggling...
18 January 2024 2,983 0 View
I am working on quantifying alkaloids in a plant extract. I want to prepare a phosphate buffer solution with sodium phosphate dibasic dihydrate with citric acid at pH 4.7. However, sodium...
07 December 2023 6,618 3 View
I want to design an aptamer for morphine by in sillico method and i need some basic sequence but i can not find them. if you have a library or know some article that can help me , please introduce...
27 October 2023 1,336 1 View
Is it necessary to purify the extract for subsequent quantification of the total alkaloid content?
25 October 2023 737 4 View
In some studies we read that morphine and derivatives would have an agonist effect on GH release (but negative effect on thyroid hormones and ACTH), in other texts we learn instead that opiates...
17 October 2023 4,537 1 View
for example the principle for quantification of alkaloids is based on formation of alkaloids precipitate by ammonium hydroxide after separation from its salts.
21 May 2023 9,452 1 View
i have detected alkaloid, phenol and tannin from my bacteria sample than i did hpltc. as standards were not available i am unable to detect the exact compound from tthe peak. can any one suggest...
07 April 2023 644 0 View
I have been working on a research project that involves the extraction of alkaloids and saponins from Balanites aegyptiaca. As you may know, this plant is rich in polysaccharides, which makes the...
27 February 2023 4,749 3 View
