Does anyone know the sequence of HIV-1 in U1 a.k.a. U937 cell line?

I can't find it....

31 December 2016 2,683 0 View

What is a likely cause of the variation in plateau of qPCR curves?

As I dilute my qPCR template, the plateau of the curves also goes down. Does this mean my primers are too low, primers form dimers, DNA quality is poor, all of the above?

04 May 2016 4,179 3 View

Automated isolation of PBMC's from blood?

Does anyone know of an instrument that would perform a fully automated isolation of PBMC's from whole blood?

04 May 2016 8,000 1 View

Is there a cell line with integrated SIV?

I'm looking for a cell line that would contain an integrated SIV, with a known number of SIV copies, other than 3D8. Much like ACH2, which contains 1 copy HIV, except SIV. Any suggestions?

04 May 2016 8,998 3 View

Conditions for Single cell lysis (including nucleus lysis)-RT-qPCR?

Trying to lyse a single cell INCLUDING NUCLEUS, reverse transcribe, and qPCR, all in the same reaction, with a purpose of detecting short cDNA and long gDNA fragments. Looks like lysing in the...

02 March 2016 546 4 View

Is there a HeLa line with GFP induced by HIV-1?

02 March 2016 2,564 2 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

Have someone successfully used the ER alpha (Santa Cruz sc-8002) antibody in immunostaining ?

Santa Cruz now recommends this new antibody (F-10) but I can't find a publication using this reference. I'm working on human et non human primate hypothalamus and so far, it doesn't work. Is...

02 March 2021 10,003 2 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

Does anyone know an alternative product for cardiac Troponin T antibody for Immunofluorescence (Thermo # MA512960)?

We have been using Thermo Fisher anti-cardiac Troponin T antibody for immunofluorescence staining in FFPE mouse heart sections but it was recently discontinued. The literature shows it to be the...

01 March 2021 4,937 1 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

How does an antibody have full intact antibody + half antibody?

Hello, I was just wondering how does a antibody have full intact antibody + half antibody? Is it because of the drug conjugation?

28 February 2021 1,577 1 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

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View