Why the PBS buffer precipitate?

How can i avoid precipitation in pbs? when i solve salts separately then add to a bowel there is no precipitation but when i want to solved them in a bowel after adding 3th salts the salts...

05 June 2018 5,858 4 View

Does Mesenchymal stem cell express Cardiomyocyte cells markers?

Real-Time is done and Mesenchymal stem cells had expression of cTNT, CTNN1 and other Cardiomyocyte cells markers is it possible or cTNT is an specific Cardiomyocyte marker and something wrong is...

05 June 2018 6,515 4 View

Who can give me some information about DRPINs?

09 October 2015 6,419 2 View

Has any one ever detected MCF-7 by flow cytometry with FITC-labeled antibody?

As you know FITC is a dim fluorochrome so I wanna know that FITC is a good fluorochrome for detection of MCF-7?Is there any problem to use of FITC for MCF-7 detection by flow? actually we treated...

31 December 2014 1,428 12 View

Is Isotype control antibodies (mouse IgG) for flow cytometry general?

I'm working on CD34-FITC and used CD34- isotype control antibodies from miltenybiotec company, but the CD34-FITC control is not available in our lab right now but I have CD86-FITC isotype control...

10 November 2014 6,729 8 View

How can I analyze rare cells by fluorescence microscope, not by FACS?

I want to detect some rare cells and I can not do analysis by FACS because of rarity and I have to detect them by fluorescence microscope but I need a protocol for this assay.

10 November 2014 3,439 13 View

Who can send me the photo of normal hematopoitic stem cells which isolated from cord blood?

I wanna know the morphology of them

02 March 2014 9,358 1 View

Is there any site for comparing the levels of expression specific marker between two cells?

I have two cells and i want to know which of them express specific marker more ?

11 December 2013 8,991 3 View

Does anyone know which cancer cell lines (Cancer stem cell, tumor or metastatic) are positive in EpCAM?

I wanna set up a control for my test I want to use some cell lines that the cells are positive in EpCAM.

08 September 2013 7,994 2 View

Which growth factors in culture medium can be use that are the best one for cancer stem cells or circulating tumor cells?

I want to culture CTCs and I want to make a medium that contains some growth factor that specific for CSC or CTC. Actually I want to get rid of another cells in culture medium and all the cells...

08 September 2013 4,333 1 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Sample dilution for quantitative analysis using ELISA?

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

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

How optimize the Size Exclusion Chromatography?

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

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View