I have got Sigma aldrich's sodium hypochlorite solution (Pdt. Code: 7681-52-9) with available chlorine percentage of 10-15% .
Can anyone suggest me how to calculate the concentration of it??
To determine the concentrations of my protein extracts by the bradford method, I have to draw the standard curve, I use 10 different concentrations of BSA; 1 0, 20, 30.... 100µg/µL. Normally I...
29 January 2021 6,325 2 View
After doing a selective neutrality test of the molecular markers I worked with, it turned out that 30% of the markers are subject to selection and the remaining 70% are neutral, should I do my...
23 November 2019 407 5 View
I nées help by explaining to me how to organize my data file to perform a selective neutrality test on SSR markers using the ARLEQUIN software. I read the 'examples' files downloaded with the...
06 August 2019 7,302 0 View
gain
17 December 2016 6,477 2 View
hello everyone; Could you offered me a technical in order to grind plastic and make it in powder form. Thnx
01 April 2016 5,943 17 View
Hi, I would like to ask you to lead in order to find in-depth courses on structural VAR. Thank you so much.
01 January 1970 2,597 3 View
How to explain the fact of having two bands in electrophoretic profile of cDNA simples? Knowing that RNA extraction was made on a plant tissue, with control individuals and others subjected to...
01 January 1970 2,033 4 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 need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...
15 July 2024 5,898 0 View
What is the behavior of anaerobic bacteria in deep salty groundwater with high level of chlorine? Is the nitrate level deceasing and is denitrification controlled by excess chlorine? Thanks
13 July 2024 1,581 4 View
During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...
08 July 2024 1,330 0 View
I did some column tests in my lab where I needed to detect the DOC fractions using LC-OCD. For the abiotic columns I used sodium azide to restrict the biofilm formation. I did LC-OCD to detect the...
07 July 2024 468 0 View
Hello All, I've been facing difficulty in executing geometry optimization of a sodium polyanionic phosphate (Na4Fe3P4O15) crystal in CASTEP (please find the input and output files attached). When...
07 July 2024 8,626 2 View
Can this pH of 8 be due to the presence of other substances? Or do I have an error somewhere in the analysis? Thank you!
26 June 2024 9,093 4 View
I have been trying to grow Nicotiana benthamiana via tissue culture. I used ethanol and sodium hypochlorite with different concentrations and time duration for seeds sterilization and lastly...
18 June 2024 1,756 3 View
I want to replicate the third step, but there seems to be no reaction in an alkaline environment. However, sodium hydroxide is used in the literature. Should I switch to an acidic environment
05 June 2024 9,358 1 View
I'd like a powdered form of MCDB 131 Medium with sodium bicarbonate added, and I've noticed that not only is the powder form of this medium difficult to find with NaHCO3 already included, but the...
28 May 2024 1,631 2 View