In Alpha glucosidase assay does PNPG (from SRL) degrade readily if kept at room temperature for about 2-3h?
It depends on the pH of your buffer. If i remember correctly, at lower pH PNP-substrates will degrade quicker (you can easily check how much is degraded by OD measurement).
I want to know which one is more suitable for dendritic cell transduction. I see that in: https://www.cell.com/cell/pdfExtended/S0092-8674(15)00829-6 PAX2 plasmid is used for dendritic cells...
31 December 2018 3,824 3 View
I have a Cas9 plasmid which is human codon optimised. Will there be any difference in Cas9 protein expression if this is expressed in mice?
07 August 2018 5,952 0 View
I'm not referring to error bars. I want to add +/- signs in front of my mean (just like in a paper), without having to go to insert symbols and inserting them individually. Are there any keys to...
10 November 2013 8,559 9 View
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09 October 2013 5,968 1 View
I tried it with water, 5% DMSO but it seems to insoluble in those solvents.
09 October 2013 6,422 7 View
Why are standards for phenolics dissolved in methanol for HPLC?
09 October 2013 515 9 View
I’m working on particular species of lizard in India. One of the objectives of my study is to isolate the epididymal luminal protein/s that specifically binds to the sperm surface. In this regard,...
08 September 2013 2,797 4 View
I'm running TLC with silica sheets. As the solvent travels quarter way up its movement changes such that we no longer see a straight line of solvent but rather a squiggly line. This largely...
08 September 2013 7,179 15 View
What should be the nutritional status of wistar rats before the injection of STZ.? I came across this very interesting paper titled 'Streptozotocin is equally diabetogenic whether administered to...
07 August 2013 7,049 1 View
what does 30% w/v of H2O2 mean? does it mean 30g of H2O2 is present in 100ml of that solution?
07 August 2013 824 17 View
Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...
07 August 2024 8,106 4 View
Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...
06 August 2024 641 2 View
I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...
04 August 2024 9,913 7 View
Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...
04 August 2024 5,974 3 View
How does the atmosphere affect the flow of matter and energy on Earth and flow of energy in the biosphere related to the flow of food through a food chain?
02 August 2024 9,644 0 View
I am currently investigating the cytotoxicity of a series of herbal extracts, and like many studies, I have been using the MTT assay to evaluate cell viability. However, I am encountering a...
31 July 2024 193 4 View
I want to do 2,3-butanediol dehydrogenase(BDH) enzyme purification to confirm its activity for 2,3-butanediol. Before that, I need to confirm which N or C terminal tagging is better for enzyme...
28 July 2024 366 3 View
I did an MTT assay with 2 drugs (Piroxicam and Sulfameter) when I got my results for the 12,24,48,72 hours of incubation with my drug at the following concentrations [ug/ml]...
26 July 2024 7,511 3 View
I have to quantify the enzymatic activities of SOD in plants using a method that employs hypoxanthine-xanthine oxidase to create O2. The colorimetric reaction was performed by combining...
23 July 2024 8,492 3 View
Hello, I want to ask regarding exosome protein quantification method. Is it necessary to lyse exosomes before measuring their protein contents using BCA assay kit? Or can I just straight away...
23 July 2024 4,603 4 View