How can we convert TMB of ELISA for western blot by converting soluble TMB product of ELISA into insoluble with addition of 0.05% sodium nitroprusside? Can I use ELISA TMB substrate for Western blot?
Usually I am doing PCR with 0.5 ul of Taq polymerase (abm) per reaction. Since I wanted to increase the sensitivity of target amplification, I tried PCR with 1.0 ul of Taq. It gave some bands in...
02 March 2018 9,197 6 View
I am doing immunoprecipitation for concentrating by target proteins. I usually elute my proteins in SDS loading buffer containing Tris, glycerol, SDS, beta mercaptoethanol and bromophenol blue....
11 December 2017 1,246 2 View
I have found two commercial ELISA kits for detection of human leishmaniasis. 1. Human Anti-Leishmania IgG ELISA Kit (ab108749) by Abcam 2. Leishmania IgG ELISA Kit (KA3295) by Abnova Both are...
03 April 2017 3,701 1 View
I am facing the a problem in my SDS page gel. protein marker and samples not get well separated. All samples were stop separating at the middle of separating gel (protein marker also). Dye front...
09 October 2016 3,411 12 View
Is there a simple method to physically characterize the crude Ag extracted from a parasite to check whether they are proteins, polysaccharides or phospholipids like compounds? I am using crude Ag...
07 August 2016 4,034 3 View
Does 3D structure of a protein affect for migrating distance of a protein?
06 July 2016 6,313 0 View
Can I keep my blocking buffer (skimmed milk or BSA) at room temperature for overnight? Is that affect for my protein?
05 June 2016 3,976 5 View
I want to sequence some unknown protein excised from 1D-SDS-gel. Have anybody experienced with protein sequencing? Are there any good commercial protein sequencing services?
04 May 2016 4,567 1 View
What are the reasons for getting fuzzy bands on SDS-polyacrylamide gel?
03 April 2016 594 9 View
The DAB- white powder, I store at room temperature, desiccator is getting brown colour with the time. It is also not working properly as before (when I have white powder). Is it useless after...
01 February 2016 8,422 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
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05 August 2024 4,407 0 View
Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.
29 July 2024 6,350 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
Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco
29 July 2024 2,163 1 View
Hello everyone, A collaborator sent us his protocol in order to be able to use his immunohistochemistry kits. But one step contains PBS + 0.3% H2O2 + 0.1% sodium azide. Knowing the dangerousness...
23 July 2024 6,314 3 View
I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...
22 July 2024 9,576 4 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
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
Having trouble detecting phosphorylated HSL. Any tips for how to prevent de-phosphorylation events or detect phosphorylation?
15 July 2024 2,055 3 View