hello all,
Can any one suggest or send specific articles for quantitative analysis of Triterpenoids (Taraxasterol), by using C18 Column in HPLC-ELSD method ?
Dear I am working on obesity and writing a review article. I want to add the topic that Why Natural products (Phytochemicals) are more beneficial than synthetic ones? I know that they have less...
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Dear Scientists, I applied the pure crude extracts (without filtration by syringe filter) on colon cancer cell lines and got some good results. When I repeated the experiment with filtration by...
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I have done the extraction with 90% Aqueous Ethanol of 25 gms of the sample and then filtered and then evaporated the solvent. After this, I did Lypholizations and after lyophilization, I got 0.5,...
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Dear scientists, I lyophilized my plant samples and after lyophilization, for some sample, I got a very good fine powder but for some samples I got a sticky solid form just like gum(Not fine...
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Hello dear scientists, I am following the method of L Wei, et al 2015 for the determination of total Triterpenoids contents but there is no information about the mechanism of reactions when we...
04 May 2017 3,801 3 View
hello every one. Can anyone send an article in which method of gradient elution for triterpenoids like taraxasterol and its acetate has been analysed by HPLC by using different gradient...
02 March 2017 9,215 3 View
For HPLC analysis of Phenols and Triterpenoids, what concentration of standards and samples solutions (In mg/ml or microgram /ml) for injection into HPLC should be used? I just want to know about...
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Dear Scientists, I am confused now. I did extraction from plant with 90 percent ethanol at 40 degree centigrade in reflux condensor, then i evaporated the ethanol in evaporator and also in vaccum...
01 February 2017 2,010 3 View
Can any one provide me some good articles for the determination of Triterpenoids by HPLC-ELSD methodology?
31 December 2016 380 0 View
is there any method for screening of Total phytosterols OR Triterpenes OR Triterpenoids? Except Salkowoskis and LB reagent methods. your answer would be highly appreciated. ??
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A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
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I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.
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Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
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Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
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Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...
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I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...
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Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
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