Hello Scientists. In E.Coli if we run 5s, 16s and 23s rRNAs on electrophoresis. Then which one will move faster.
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...
02 March 2019 794 2 View
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...
10 November 2017 6,928 0 View
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,...
06 July 2017 6,832 0 View
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...
06 July 2017 5,970 0 View
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 all, Can any one suggest or send specific articles for quantitative analysis of Triterpenoids (Taraxasterol), by using C18 Column in HPLC-ELSD method ?
02 March 2017 6,917 0 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...
01 February 2017 5,489 4 View
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
Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...
06 August 2024 4,953 0 View
Hello guys! Do you have experience running a Oaxaca-Blinder decomposition on R applying person weights. How do you suggest doing it? I have a variable PERWT which gives more information on how...
04 August 2024 6,033 0 View
Hello Everyone I have a question about structure for connectivity analysis on sources. My goal: preprocess and cut data into trials create headmodels, using template MRI file perform source...
30 July 2024 2,744 1 View
When I run autogrid4 it says: autogrid4: ERROR: Unknown receptor type: "Cr" -- Add parameters for it to the parameter library first! Look forward to your reply.Thank you so much!
29 July 2024 488 0 View
I am trying to run a restart analysis, which imports deformed configurations of parts from a generated ODB file. It runs fine in Windows OS but when I try to run it in Linux OS, it is giving some...
29 July 2024 9,572 3 View
Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...
28 July 2024 6,553 1 View
I am preparing to run a lot of samples on a 384 well plate and I wanted to test if any well in my PCR machine is dead so as not to lose any data. I would really appreciate help with how I can do...
24 July 2024 8,172 1 View
Hello everyone, I am conducting
22 July 2024 8,085 11 View
Greetings. I’m currently running a nested pcr for giardia. My mastermix comprised of 3mM Mgcl2, 5unit of taq polymerase, 0.2uM of forward and reverse primers each respectively and 0.2mM of dNtp...
22 July 2024 9,761 5 View
Hi, We have collected several images for two independent runs of an experiment using two different confocal microscopes and settings. Thus, the intensity values collected through ImageJ were...
22 July 2024 8,722 0 View