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What is the ratio between nitrite, nitrate and nitrogen in enriched anammox culture?
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Recently, we observed that 99% of the sequences in our RNA-seq data corresponded to the E. coli genome. Despite multiple DNAse treatments after RNA extraction and ribosomal depletion, we were...
06 August 2024 806 3 View
I work on producing organic fertilizer from rice husk. how can I reduce the bio-conversion time ?less than two months
20 July 2024 6,049 3 View
hello everyone , I'm currently working on extracting RNA from frozen tumor tissue that was snap-frozen in liquid nitrogen and stored at -80°C. I've attempted a protocol involving cutting a small...
14 March 2024 8,824 0 View
does architectural designe influence the consumers attitudes and their intention to shop and buy.
05 March 2024 7,975 5 View
Dear all, i am preparing a study concerning testing Prime Coat with different applications rates to achieve the optimum rate for a given Asphalt pavement Binder coarse. Kindly please share your...
23 December 2023 447 2 View
I am currently engaged in research pertaining to multidrug-resistant bacteria, including but not limited to Staphylococcus aureus, Klebsiella pneumonia, Pseudomonas aeruginosa, Enterococcus...
18 December 2023 4,212 3 View
What are the validation timelines for quantative real time PCR and western blotting results, is it 24 hours for qpcr and 48 hours for western blotting if so! Why then!?
03 November 2023 5,694 2 View
dye-sensitized solar cell
15 September 2023 2,488 1 View
How can I maintain a pH lower than 3 in an aqueous solution when using metallic iron as a reductant, considering that the iron's reaction tends to increase the pH? Any recommendations for suitable...
28 July 2023 7,748 1 View
Hello, Can someone tell me what are the K and a constants for chitosan in Mark–Houwink-Sakurada equation? Solvent: 2% acetic acid. Chitosan concentration in solvent: 0.4% Temp: 25 C
26 July 2023 4,466 0 View
The paper in question is "Interpolation of Nitrogen Fertilizer Use in Canada from Fertilizer Use Surveys". This paper was very recently published by Agronomy (MDPI). Agronomy has, in the last day...
07 August 2024 9,933 3 View
What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?
01 August 2024 1,722 1 View
Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...
15 July 2024 9,975 1 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
Dear all, I have a question regarding ways to separate ammonium nitrate and phosphorus pentoxide?
12 July 2024 3,164 2 View
The recharge of deep sandy groundwater is slow. Does the high level of nitrate promote bacteriological activity knowing that it requires a high level of O2? Thanks
10 July 2024 9,883 5 View
Some scientists use nano nitrogen and some use nano urea, even though the process used the same for preparation. So, which is true nano nitrogen or nano urea?
28 June 2024 2,885 6 View
BET analysis
27 June 2024 6,964 1 View
I am trying to synthesize silver nanoparticles from a plant extract. But lower concentration of AgNO3 solution is not enough to obtain my desire UV spectrum for the characterization. So I want to...
25 June 2024 3,829 0 View
I use molecular sieve 13X and Iron nitrate powder Fe(NO 3)3 • 9H2O. and commercial TiO2. I need to prepare 8% Fe, 8% TiO2 containing with zeolite 13X. I want to use this method below: WET...
17 June 2024 4,153 2 View