Hi, I am growing 30 mL of FreeStyle CHO-S Cells in a 100 mL spinner flask (or spinner vessel). The protocol says to grow cells in 125 mL Erlenmeyer culture flasks at 125 rpm. I would like to know at what speed should I set the spinner flask? Thanks!
I'm assembling one PCR fragment (4.2 kb) with my vector, pECFP (4.8 kb), and transforming them into NEB 5-alpha Competent E. coli cells. Both the fragment and the vector were purified using the...
04 March 2024 1,090 5 View
Hello. Does anyone have any experience and tips on producing quality lysotracker and mitotracker stains in neurons? I can get a signal for both, but they're quite inconsistent-- I often get a...
26 February 2023 2,737 1 View
Hello everyone, first I will like to get ahead of the jargon-confusion with all these abbreviations. Intrinsically conductive polymers (ICPs) also called conjugated polymers, doped polymers or...
07 September 2022 3,900 0 View
Hi, I was trying to extract DNA with TRIzol. When I added chloroform to my sample with TRIzol and after centrifugate it, my phases were inverted. (Photo below) -De antemano muchas gracias
29 August 2022 2,553 4 View
Hi there! I've been looking everywhere for a compatible humidifying pan for our Sanyo MCO-18AIC incubator to no avail. Does anyone have any suggestions for which pan might be compatible with this...
05 July 2022 2,497 0 View
How can calculate the energy efficiency of a hydrogen produced from agricultural residual biomass gasification process in Aspen plus software?
31 March 2022 4,113 3 View
My co-author and I are working on a paper using the Economic Freedom of the World and 19 countries (sample cannot be increased because it is focused on a specific Region). The number of years is...
18 August 2021 1,274 2 View
I am looking to help dilute this down to the above concentrations.
29 July 2021 2,695 2 View
formal IDS consultation, compared with informal or lack of IDS consultation, reduces risk for new bacteremia episodes and improves long-term prognosis up to 10 years. why?
01 June 2021 8,122 3 View
Hi everyone! I am trying to find the "how to" on item difficulty and discrimination on SPSS and its interpretation. I have read about and performed the command analyze> scale> reliability...
21 September 2020 4,653 3 View
Hi al! This morning I run FACs with CHO cells stained with FVD. Unfortunately, the results showed binding with proteins they shouldn't bind with based on bibliography and cell viability was LOW....
01 July 2024 3,789 1 View
I'm encountering a persistent problem with cell count stagnation in my fed- batch process with CHO S cell line. Initially, after seeding on day 5-6, the cell count reaches 6-8 million cells/ml,...
20 March 2024 8,611 6 View
I am working on identification of copy number in a recombinant Chinese hamster cell line by southern hybridization. I am having issues with the transfer of DNA onto positively charged nylon...
08 February 2024 2,647 8 View
while working with low concentrated mammalian genomic DNA, can we increase the restriction digestion reaction volume to 200 ul to accommodate the required amount of mammalian genomic DNA for...
22 January 2024 6,952 12 View
I've designed media for CHO cells, without Glutamine! But when they're in large scale, the cells were damaged and decreased their viability. What's your refer ?
14 January 2024 2,503 2 View
I would like to use them as controls. I am studying the dynamics of receptors on the cell surface using SMI TIRF microscopy. I am currently using CHO cells and I would like to use constructs as...
19 December 2023 3,243 0 View
Hi all, We have a lentiviral vector with a gene of interest that we would like to express. There is no requirement for stable cell line construction, so we will only be transfecting transiently....
29 November 2023 2,802 6 View
Please suggest some standard drug and its IC50 concentration which is applicable for CHO cell line.
14 November 2023 7,586 0 View
What is the effect of using MCT oil in a non ketogenic low carb diet (hypocaloric, CHO< 100gr) in a subject with Familial Hypercholesterolemia? Someone stands it doesn't raise total or LDL...
14 September 2023 7,796 3 View
Why do ExpiCHO cells need 8% CO2 levels in the incubator? Is is because they have high metabolic rate, thereby producing more lactate and needing more CO2 to buffer the media? Would like to know...
26 August 2023 6,707 3 View