What is the optimal method for preservation of CSF (cerebrospinal fluid sample) for usage in cell culture as a source of growth factor?

I collect multiple CSf samples and i want to preserve them until collection of all samples complete for usage in cell culture as a source of growth factor. How can i transport the sample? How can...

05 June 2018 5,454 3 View

What is the best anticoagulant (& its conc.)to prevent PRP/culture media from gel formation?

When i add PRP on the culture media it converted from liquid state into gel but i need it in the liquid state . how can i dissolve this problem!

02 March 2018 6,059 0 View

What are the different concentration of a new compound can i start on cancer cell line to calculate IC50?

I have a new compound and i want to calculate IC50 but i dont know what are the concentrations i must start with as a bilot study.

11 December 2017 3,793 0 View

What are the different concentration of a new compound can i start on cancer cell line to calculate IC50?

I have a new compound and i want to calculate IC50 but i dont know what are the concentrations i must start with as a bilot study.

11 December 2017 5,915 8 View

A simple Colorimetric method to measure cell viability for adherent cells in 96-well plates using dye /stain?

The usual methods for measuring cell viability in proliferation cytotoxicity assay is MTT / MTS /.......... I ask for another Inexpensive method using only stain for large number of tested samples.

11 December 2017 7,684 4 View

What is the mechanism of stem cell differentiation ?

I want to Know how stem cell differentiation occur for general either in vivo or in vitro and if this mechanism differ from one cell type to another or not.

03 April 2017 2,812 3 View

How to perform MTS assay on suspended cells like Ehrilch cells or lymphocyte?

31 December 2016 7,889 2 View

How can calculate IC50 ?

11 December 2016 1,639 2 View

What are the difference between PRP and PRF and which method is preferable ?

I am confused between PRP and PRF Which is better!

09 October 2016 8,814 1 View

What are different methods for characterization of neural cells other than pcr or immunocytochemistry ?

my research work is depend on differentiation of mesenchymal stem cells into neurons,i need specific stain for neural cells to characterize it .

09 October 2016 9,182 6 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

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

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02 March 2021 3,060 3 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 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

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

No title

28 February 2021 9,936 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View