I need some suggestions for the determination of total nitrogen in biomass/ solid samples.
Could you please provide me any procedure for nitrogen analysis with Vario TOC cube?
Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...
01 August 2024 4,606 7 View
Hello! Have you ever observed that when measuring the viability of freshly thawed PBMC with trypan blue, the value is higher than with Annexin/PI staining or some other staining that takes into...
10 July 2024 640 1 View
Hi Me and my collegues found a strange rock aggregates here Lunda Sul, within Kalahari sand suite. Similar formations (ferricrite, ferricrete) are found within Lunda Sul, Angola on the surface...
23 June 2024 2,507 3 View
Hello, I am working on a systematic review. I have my topic, and I am searching Scopus and Web of Science, but I want to search Google Scholar to compare the results. Does anyone have any advice...
10 June 2024 9,602 0 View
I was hoping anyone could provide any insight into using ATCC's "RD-ES" and "A-673" cell lines. How many passages do you do before you notice any senescence or genetic abnormalities
20 May 2024 596 4 View
I want to read about studies or experiments who proved that being brave and persistent are suceeding factors. Are there any new aspects or findings e.g. from neuroscience?
12 May 2024 4,614 3 View
Hi - I am looking for advice on protocol for subculturing and feeding RD-ES line. THey seem to grow semi-adhered and not sure if I should treat them as cells in suspension or adhered. Thank you!
09 May 2024 8,224 1 View
It was extracted from a sediment sample in the subtidal zone
19 April 2024 6,725 4 View
i seeded CACO2 on 0,4 um PET transwell insert, i want to see my cell layer in transversal view in order to monitor the polarization and formation of brush border. To do this, i fixed with 4% PFA...
16 April 2024 6,517 1 View
Months ago i was able to induce NETosis in Hl60 differentiated cells using PMA while now with a different PMA solution I can't anymore. I followed the condition reported in literature of 100nM PMA...
18 March 2024 2,925 0 View
I am working on microalgae cultivation using waste water. The initial concentration of nutrients were less but the microalgae has achieved biomass growth of 2 g/L. The final concentration of...
08 August 2024 4,812 2 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 9,934 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
The question refer to leafy biomass decomposition using litterbag techniques.
11 July 2024 2,078 0 View
I am carrying out an experiment on Trichoderma and need to measure OD of the fungal growth after 7 days. Unlike bacteria, fungus clump together making It difficult to get OD for the fungal growth....
11 July 2024 6,251 1 View
How is biomass energy essential in the power generation in a country.
08 July 2024 9,477 2 View
Hi, I would like to gain an insight on the various methods of measuring biomass and growth of Aspergillus oryzae, which you have personally tried and would gladly recommend. Thanks.
08 July 2024 6,057 2 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
Hi everyone! I am working with bacteria and fungal collected from marine sediments. I would to know the methodology since the preparation of biomass until the extraction and stored of secondary...
03 July 2024 6,177 3 View