for how long is it ideal to keep in -80 degree celsius after transferring from liq nitrogen to culture the cell
I agree with Oliver. Ideally, you should immediately remove from liquid Nitrogen, place on water bath, follow procedures to remove the "freezing media" and plate the cells.
Hello Everyone, I am culturing few different kinds of adherent cells. However, I sometimes experience cells dying in the flask after passaging them in one flask whereas same cells suspension...
07 February 2024 4,354 0 View
I have a question regarding culturing fibroblast IMR90. I use DMEM+10%fbs+1% pen/strep for culturing them. I use 0.05% trypsin EDTA for trypsinization for 40 sec in the incubator and add DMEM +...
18 January 2024 958 1 View
20 December 2023 4,363 0 View
What should be the final conc of PI used?
11 October 2023 587 2 View
I want to know about the mechanism through which biological nitrogen fixation occurs in photosynthetic green microalgae apart from previously reported bacterial associations. Like in axenic lab...
11 August 2023 3,256 2 View
Small molecule is embedded into a membrane. Pulling direction is x-y (plane of the membrane). How to conduct this simulation in AT/CG methods? Wanted to calculate the free energy change during...
25 July 2023 8,684 0 View
In our lab we have cell culture wares for adherent cell lines which are coated. Can I use the same flask for culturing suspension cell line (Jurkat)?
25 June 2023 4,412 2 View
Can I calculate the optical energy band gap from the absorbance of the UV-Vis spectrophotometer, or It can only be calculated from the reflectance? Thank you
27 March 2023 9,503 1 View
we have synthesized anticancer drugs which are toxic to cancer cells. but it is desirable that such drugs are non toxic to normal cells. pls provide me a list of normal cell lines where such...
13 March 2023 2,516 4 View
Hello all the members. I am getting negative values when I have taken the derivative of weight loss(%) w.r.t Temperature, what is this implies ? Thank you
22 February 2023 6,718 0 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
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 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
I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...
07 August 2024 1,028 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 9,934 3 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
I am trying to analyse data from a survey examining what variables affect teachers perceived barriers to incorporating technology into their classroom. I have 5 predictor variables however my DV...
06 August 2024 1,752 3 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
Women, on the other hand, can become physically aroused (increased blood flow in the reproductive organs) without becoming psychologically aroused even in the slightest. (Robert Weiss)
05 August 2024 9,537 2 View