The OVCAR-3 medium suggested by ATCC is RPMI-1640 with 0.01 mg/ml bovine insulin and 20% FBS. I would like to replace bovine insulin for human recombinant insulin. Has anyone tried this? Thanks in advance!
Hello everyone, I am trying to purify my protein (enzyme) expressed in Pichia pastoris through ion exchange chromatography. The protein is extracellular, so I extract the supernatant after...
27 July 2017 4,012 5 View
My negative control (only cells non stimulated stained with FLICA) is stained as my positive control (LPS+MSU cystals). Does anyone have any idea what should I do in order to avoid it? The...
20 November 2016 5,653 4 View
If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis
02 March 2021 7,670 3 View
Anyone know the amount of protein before enzymatic digestion for phosphopeptides enrichment of serume sample in Ti-IMAC? Has anyone ever use Ti-IMAC(the material is from Chinese company named...
28 February 2021 7,310 3 View
The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...
28 February 2021 6,560 14 View
I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.
28 February 2021 6,512 3 View
Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?
28 February 2021 3,653 4 View
Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...
27 February 2021 3,904 2 View
Hi everybody, Can anyone please suggest me an antibody anti-IgM Bovin conjugated Biotin ? I would like to use it in LUMINEX with a streptavidin conjugated phycoerythrin reporter. Thanks in...
25 February 2021 9,659 2 View
I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...
24 February 2021 8,514 3 View
In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?
24 February 2021 7,064 3 View
To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...
23 February 2021 7,326 5 View