I have used expired LS columns (2 years after expiration date) and the results have not been so good. I think that the reasons could be my low number of cells and my tissue, but the expired columns could be related?
Thanks
18 February 2021 4,214 3 View
I want to know if it is possible to be done the inverse to view / verify other bands that not look in staining a gel with coomassie.
01 February 2021 8,647 5 View
I want to explain a threshold of 50% PPV to describe how some assays perform when the prevalence of disease is high or low
07 October 2020 8,657 6 View
I came out to realize that a person who is enlisted as an author of some publications that I am the REAL AUTHOR, is marked instead of me. How do I change that? Example: Standardized sampling...
21 September 2020 378 7 View
I'm optimizing the procedure for making inverted PSCs: ITO / PTAA(8nm) / CsMAFA(320nm) / PCBM(60nm) / BCP(9nm) / Ag(100nm). The cells look very good, I have a very good FF (0.70) and Voc (1.0V),...
16 September 2020 6,286 8 View
We have a big area of Rainforest where we can see a big variety of fungos growing around. I'd like to catalog them using a simple methodology. We do not have equipment for that despite a...
16 March 2020 9,034 3 View
13 March 2020 7,295 3 View
I did the procedure described by saliba ( How to Make over 20% Efficient Perovskite Solar Cells in Reg... ) to make n-i-p PSCs. However, after perovskite deposition stains appeared in the cell...
29 October 2019 8,012 3 View
Hi, I have very small samples of about 1x2mm (dental pulp tissue) and I need to process them for histology (dehydration, parafine inclusion, stainning with HE, etc). The problem is that the...
18 September 2019 1,180 4 View
I apologize if my question seems to naive, but I would like to do a protocol to determine bio-distribution of a peptide coupled to TMR in an animal model however, I am having some difficulties in...
07 July 2019 5,664 2 View
Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...
03 March 2021 6,299 3 View
Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...
03 March 2021 6,317 1 View
03 March 2021 5,360 2 View
Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...
02 March 2021 3,024 2 View
Pls share your thoughts
01 March 2021 7,330 4 View
Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...
01 March 2021 6,187 2 View
What I think is Dithiothreitol. As it is water-soluble and does not form a precipitate. But, the thing is it contains sulphur which is quite hazardous to aquatic animals.
01 March 2021 8,374 4 View
Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.
28 February 2021 7,883 3 View
Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?
28 February 2021 3,653 4 View
What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?
28 February 2021 6,516 5 View