How to calculate amount of dopant mix in substrate.
how to learn LDA and GGA methods ? how to calculate band gap of semiconductor using them ?
04 May 2015 5,600 2 View
I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...
02 March 2021 9,945 3 View
I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...
01 March 2021 3,703 3 View
Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...
24 February 2021 2,602 1 View
Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...
22 February 2021 7,285 5 View
I have tried to hydrolyze the sample using 2 M TFA at 100C for 24, 48 h and 120C for 2 h. From these conditions, the HPLC results showed that peaks were not separated into monosaccharide. I found...
17 February 2021 5,230 1 View
Hello. I ask for help - I need to get lithium tetraborate (soluble salt) from lithium carbonate and boric acid. In literature, everything seems to be simple - mix, ignite and - it's done. But it...
16 February 2021 9,523 2 View
the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please
16 February 2021 8,801 3 View
Hallo, i am looking for a non coordinating solvent that dissolves anhydrous FeCl2 for a synthesis in which i can not use solvents like thf, pyridin etc.. I already tried benzene (no solubility),...
11 February 2021 6,105 1 View
I am testing a compound on RAW 264.7. the compound is soluble in DMSO. but to ensure that final concentration of dmso is not more than 0.1%, we are first dissolving it in dmso and then diluting it...
11 February 2021 1,136 3 View
What is the maximum solubility limit of poly(4-methyl-1-pentene) in N,N, dimethylformamide? I gone through solubility parameter concept but I did not get the answer for maximum amount of polymer...
02 February 2021 947 3 View
