Why is acetone wash important during TCA (trichloroacetate) precipitation of proteins durinf ELISA and western blotting?
We want to transfect leukemic cells KG1a and K562 with a plasmid DNA by electroporation. We are looking for commercially available electroporation buffer, can anybody recommend some good...
02 March 2017 7,957 3 View
why do we use 1% BSA for primary antibodies in western blotting?
10 November 2015 8,364 7 View
How to identify miRNA target genes using online databases?
01 January 1970 3,479 2 View
I got these smeared bands quite often lately. We typically run the gel at 140V with a 10-12% gel and do a wet transfer at 220 mA for 1.5 hr in cold room. We also noticed some dirty spots/dots (see...
10 August 2024 7,480 3 View
I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
Is it the "elution buffer" or the "dialysis buffer"? Note: I'll be using NanoDrop OneC
01 August 2024 967 3 View
I am developing an ELISA kit for rotavirus A (G1P8 and G1P6). Does anyone know the weight (ng) of these two strains? Or to help me find their weight?
29 July 2024 3,138 2 View
I'm having problems with ion exchange chromatography. After applying my sample (a fluorescent protein), a preferential path inevitably forms. The matrix I use is DEAE-Sephacel. Could someone...
27 July 2024 6,605 0 View
I use 0.5% sarkosyl to solubilise recombinant proteins contained in Inclusion bodies of E. coli. sarkosyl very effeciently solubilizes proteins from Inclusion bodies and I am trying to use...
25 July 2024 5,001 2 View
"The Correlation between Nutrition and Transport Mechanism under Abiotic Stress in Plants: A Comprehensive Review" by Muhammad Saleem, Jianhua Zhang, Muhammad Qasim, Rashid Iqbal, and Li Song,...
23 July 2024 9,109 0 View
Hi, I have lysate from human macrophages, and I wonder what will be the best way to check the NFKB activation in those cells. I was thinking p-p65 or p-ikkb./ Is that make sense?
18 July 2024 5,214 4 View
Good morning, I am trying to produce a recombinant protein. Unfortunately I one of the two restriction enzymes that I use do not cut at the end of the MCS. After the digestion 15 nucleotides of...
17 July 2024 2,787 4 View
hi, I am facing difficulties in the développement of an ELISA sandwich. I have several experiences in developing ELISA but that’s the first time I can’t find any solution. My test is currently as...
16 July 2024 9,044 10 View