I saw that most Delta (Tm) being positive upon ligand binding to a protein. But is it ever possible that Delta (Tm) goes the other way? If yes, under what circumstances will it be negative?
I am currently trying to figure out how to calculate the visual angle of some visual stimuli I used in an experiment. I think I have all of the information I need to calculate this. One is a...
15 February 2021 3,189 2 View
I'm looking for standard axial compressor blade row data files for CFX simulation , so could somebody tell me where can I find them ? Like rotor37 , PBS rotor , and something else about them...
13 February 2021 7,745 3 View
The parameters of the curve all seem acceptable, typically reactions results are above 0.9852, -3.1 to -3.6 slope, and 90-110% reaction efficiency. The results seem to be what I would expect from...
04 February 2021 1,138 3 View
I want to do LSV ,CV test of ORR(Oxygen reduction reaction). But our laboratory don't have the RDE and RRDE electode. And I was wondering if I can do the tests by magnetic stiring or mechanical...
14 January 2021 1,869 2 View
I want to ligate a linear 1.7kbp plasmid with the EcoRI sites at two sides, but when I use the quick ligase kit from NEB to test the ligation efficiency it is hard to ligate it. Is there anyone...
08 December 2020 3,442 3 View
does it speed it up?
29 November 2020 6,168 3 View
I misread the amount of time that RNA was stable in RNA later at 4 C as several months instead of a month. I have e zebrafish samples that have taken me a 2 months to collect and they have been...
23 October 2020 8,085 3 View
I conducted a binary logistic regression using the glm function in R. My binary predictor is the presence or absence of my study species. I have two significant variables but am just not sure what...
19 October 2020 5,398 3 View
Dear All, I'm looking to make a cell dissociation buffer from lyophilised collagen I (Gibco, 12648010). The protocols I've been looking at all specify concentrations of enzymes in terms of...
06 October 2020 506 3 View
I have an LB growth media plate with E.coli on it. I want to dilute the culture. I am working with 3M Coliform detection plates, and I want to get a solution of E.coli diluted enough to grow...
27 August 2020 3,043 3 View
I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...
27 February 2021 547 3 View
I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...
25 February 2021 3,030 1 View
Hi, I am a third year chemistry undergrad doing my group project in which I need to predict the HPLC retention time of 20 aromatic molecules. to do this we require the chemical properties of these...
24 February 2021 1,384 3 View
I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...
20 February 2021 6,243 10 View
I will start to fabricate micro/nanoparticles for growth factor release and I check out a procedure quite nice, however, it is lacking some details and since I don't have much knowledge doing this...
20 February 2021 199 2 View
Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...
08 February 2021 9,671 3 View
when i saw my DNA target on the electrogram there was a dimer primer below on DNA target. how do i remove it ? what should i do ? thanks
03 February 2021 5,290 3 View
I am trying to increase the yield for the reaction below. I did the column and I saw that the major side-product is the symmetric dimer formed by 4-bromobenzyl bromide. I imagine that NaH is...
20 January 2021 7,874 4 View
Yesterday, I ran a gradient endpoint PCR with some primers and saw positive amplification for positive and negative for negative amplification. Running the same assay today, show positive...
13 January 2021 5,201 1 View
Hi guys: I have been doing CRISPR knock-in and knock-out and one seemingly impossible scenario keeps happening. In the CRISPR knock-in attempt I tried to add a tag on a gene of interest, so I...
07 January 2021 190 3 View