Hi, everyone.
It is said that NK-92 is very difficult to transfduce, so how can it be successfully transfected?
Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...
01 March 2021 2,215 2 View
As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...
27 February 2021 2,595 8 View
4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.
21 February 2021 1,883 1 View
I characterized functional groups of EPS using FTIR. Goups of sugars and proteins (e.g., -OH, amide, -COOH) as well as phosphate group of nucleic acid were readily detected. However, peaks of...
05 February 2021 4,405 1 View
I am not sure if an unbalanced panel data set doesn't give me good results. Do I have to have all years of my panel data? How do I select the variables? I only select those where I have no missing...
30 January 2021 7,258 6 View
I purified my Boc-protected molecule using HPLC. The eluent is ACN/H2O/(0.05% TFA) . After I evaporated the solvent (65 oC), the product was collect as the MS result showed ~20% of the product was...
14 January 2021 5,487 5 View
The common used Pb hyperaccumulators in the experiment, which and can buy from the business. Thank you!
14 January 2021 460 3 View
I am analyzing an unbalanced data set. I have to do propensity matching to see the treatment effect and I need to control for firm fixed effects and industry-year fixed cohort effects to allow for...
08 January 2021 1,382 5 View
I tried the recipes below in two cells lines: 1.DPBS 2.DPBS+MgCl2(1mM) 3.DPBS+Sucrose(250mM) 4.DPBS+MgCl2(1mM)+Sucrose(250mM) 5.R Buffer (Neon) the results showed that R buffer is the best one in...
06 January 2021 6,776 1 View
Hello Everyone, I know IL-1B is a soluble protein. So how to extract it from the supernatant? Please advice. Thanks!
05 January 2021 7,349 5 View
I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...
01 March 2021 9,310 4 View
I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...
01 March 2021 6,142 3 View
I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...
28 February 2021 4,949 3 View
I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...
26 February 2021 10,041 3 View
I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...
25 February 2021 6,635 5 View
I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.
24 February 2021 1,633 4 View
I tried stable transfection in the U87 cell line with the sgRNA-Cas9 All-in-One lentivector. Cells were cultured in a 6-well plate, 4ug plasmid was transfected after 24hs when the cell confluence...
22 February 2021 2,864 4 View
I want to measure how well nanoparticles can transfect cells based on NP adhesion properties. In the literature I find people do it in animal studies, and epithelial adhesion helps in transfection...
21 February 2021 7,791 3 View
Hello RG community, I wonderer whether exogenous molecules (e.g. reporter plasmids, miRNAs or other artificial molecules) are transferred between cultured human cells during their doubling ? So,...
21 February 2021 6,633 3 View
I try to transfect MDA MB 231 cell line with a plasmid by PEI, unfortunately, the rate of transfection is low, and now I wanna find and order the best transfection reagent for this cell line and...
19 February 2021 828 6 View