I have a mixture of natural product extract and have run DOSY analysis, I just wonder can we determine how many compounds consist in the extract by analyzing diffusion coefficients that appeared from the DOSY experiment?
Hi friends, I recently analyze my active lipid fraction and found a broad 31P NMR around -10 to 0 ppm and a small peak around -20 ppm. Both peaks appear when I run Proton coupling and De-coupling...
24 July 2023 9,720 5 View
How to make stock solution which diluted into various concentration (ex. 10, 20, 30 ppm) and added by DPPH solution. Then read by spectrophotometer UV-Vis? Should I sentrifuge the solution of...
10 December 2019 8,546 5 View
Verification on pharmacopoeia method on related substance. Is it necessary to verify the related substance method on 'accuracy' using spiking method?
06 December 2016 5,368 3 View
hi all, i would like to ask about the main principal different on conducting research in coniferous broadleaved forest and tropical forest? as we know that species regeneration in tropic is quite...
20 September 2016 2,778 4 View
Hi guys Does anyone have the experience to perform preparative TLC with RP-18 as a stationary phase? What kind should avoid in order to not dilute the stationary phase when I extracted my target...
01 January 1970 7,467 3 View
dear all I have tried to run MD using namd and visualization with vmd. for practicing, I run 1 ns of simulation and I got rmsd result as well as rmsf for the protein and complex. from the result...
01 January 1970 8,898 4 View
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.
11 August 2024 9,101 4 View
I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?
11 August 2024 5,138 1 View
i am unable to interpret why its increases in start as shown in figure
11 August 2024 2,179 1 View
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!
11 August 2024 3,770 4 View
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...
10 August 2024 7,180 0 View
I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...
10 August 2024 7,429 2 View
I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...
10 August 2024 8,539 5 View
How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?
09 August 2024 7,718 0 View
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...
07 August 2024 1,937 1 View
A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.
07 August 2024 5,307 1 View