problem of mucus and epithelial cells when isolating skin leukocytes?
Hi guys, I have an experiemnt where three groups of fish were used, two of them were treated with two doses of virus, while the thrid is a control group. I want to compare the means of gene...
06 July 2019 3,718 5 View
I am producing a recombinant protein in Rosetta, my protein is fused to MBP+his-tags at the amine terminus. I have solubilized it with sarkosyl. I am using IMAC column to purify my protein and...
02 March 2017 1,285 9 View
is it necessary to remove the sarkosyl- my r-protein is solubilized in sarkosyl- before mice immunization?
02 March 2017 6,722 2 View
I will purify my r-protein (produced in E.coli) and cleave the MBP and His-tag off it and I have heard about the inclination of the r-protein to aggregate/precipitate when the tag cleavage takes...
02 March 2017 5,644 1 View
My r-protein (in e.coli) is only solublized in urea and I want touse it in a downsteam immunization procedure, dentaured protein is not convenient for production of Ab, how to solve this problem ?
02 March 2017 9,202 2 View
I have a question regarding to your Amylose resin kit https://www.neb.com/products/e8021-amylose-resin I read in the protocol...
01 February 2017 9,668 7 View
I am producing my MBP+his-tagged r-protein in Rosetta (75 kDa). I am using the anti his-tag column t purify my protein. I collected the sample flow-through after passing through the columns in...
01 February 2017 3,961 12 View
Hi guys, I want to ask about RNA isolation procedures from fish skin tissue samples? a full protocol would be appreciated.
02 March 2016 5,239 3 View
Is it tricky to use MS to sequence a small recombinant portion of salmon IgT?
31 December 2015 2,236 0 View
I have a question regarding the result of MS (protein sequencing). We made the recombinant r- IgT (unique immunoglobulin in fish) in mammalian HEK cells, we want to characterize the r-protein, we...
11 December 2015 6,059 6 View
I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...
09 August 2024 9,621 0 View
Hello everyone! I observed in my culture (htert-RPE1 cells) an orange- red particle at the bottom of the dish. It is visible to the naked eye as a very very small red dot. Could it be a...
09 August 2024 2,824 3 View
After performing symmetric PCR, PCR purification was performed. Afterwards, asymmetric PCR was performed using the PCR purification product as a template, but no ssDNA band was confirmed in the...
08 August 2024 1,668 3 View
I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...
07 August 2024 7,535 4 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
After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...
05 August 2024 9,637 2 View
Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...
05 August 2024 6,247 3 View
"I have treated adult zebrafish with 8-micron polystyrene microplastic and want to study the bioaccumulation in different organs. Can this be done using hydrogen peroxide digestion followed by...
05 August 2024 853 3 View
I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...
04 August 2024 501 2 View