Immunoprecipitated protein band shifts downwards in Western blot using Dynabead protein G ?

I have been using Dynabead protein-G for immunoprecipitation of my target protein in a mix of antigen from two different protein samples. My target protein X is supposed to bind to the protein Y...

10 November 2016 144 5 View

Looking for R5 HIV pro viral plasmids?

08 September 2016 6,816 3 View

What the the best method of determine the replication of R5 HIV-1 viruses in human macrophages?

I am trying to optimize Taqman based qRT-PCR and p24 based ELISA to determine the viral titer for HIV-1 in macrophages exposed to HIV-1 BaL. Is there any established protocol for TCID determination?

06 July 2016 3,086 2 View

Any cell line that can be a good source of human M-CSF?

06 July 2016 173 6 View

Can we use essential and non-essential amino acids in RPMI media used for differentiation of human monocyte-derived macrophages?

Any suggestion that the amino acids will lead to any detrimental change on differentiation of monocytes in to macrophages in conjunction with recombinant M-CSF?

06 July 2016 2,913 3 View

Can anyone explain why the Beclin-1 level is similar in control and autophagy inducer treated samples?

In a mammalian cell line, autophagy is induced with respect to control cells, still the level of beclin-1 is very similar in both conditions, where a particular inducer of autophagy was used to...

06 July 2014 6,713 2 View

What happens when microRNA and its corresponding target also get unregulated in the same system?

A particular family of miRNA is unregulated in infected monocyte derived macrophages as validated by microarray as well as Taqman assay. However the gene targets are unregulated in the same...

04 May 2014 2,485 8 View

Is it really necessary to make every problem a bombshell of information and then force it upon the research community and young investigators?

Science is becoming really compartmentalized and we are all in the race to impose our own specialization to the entire research community in respective field. Isn't it time to pause and think...

02 March 2014 1,218 2 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 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

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 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

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 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

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

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

Anyone know of a good progesterone antibody?

I am looking for a good progesterone antibody to quantify levels of progesterone in zebrafish. Applications would be ELISA, and immunohistochemistry.

28 February 2021 5,929 2 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View