Could a coating antibody also be used as detection antibody in an ELISA sandwich assay?

10 November 2015 1,371 7 View

What preservative should be used for Ag storage in an indirect ELISA?

I want to make an indirect ELISA (Ag+anti-Ag+anti-anti-agHRP). And I want to reconstitute the lyophilized antigen (peptides). The question is, what preservative should be used for Ag storage , if...

07 August 2015 9,676 3 View

What is the best method for obtaining derived-vaccine antigen to be used in in vitro T cell proliferation assays?

I want to make an assay of in vitro proliferation of PBMC in animals immunized using the same vaccine antigen. To do this I have to process the vaccine. Among the existing techniques as UV,...

09 October 2014 2,397 5 View

Where can I buy LSCC-RP9 cell line?

07 August 2014 9,546 0 View

Does anyone know of any protocol to obtain an ethanolic extract of Euphorbia plants latex?

I want to make a study using the ethanolic extract of a Euphorbia latex on tumor cells in culture. I have tried some protocols, but do not get a good result, since the formation of precipitates in...

05 June 2014 1,136 3 View

Is it possible to fix PBMCs and after one or two weeks add the antibodies (CD4/CD8) for immunophenotyping flow cytometry?

I need to urgently analyze some samples this week, but I have not yet antibodies. They take 2 or 3 weeks to arrive, so I want to know if I can keep the fixed cells. Will there be any change?

09 October 2013 4,276 4 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 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

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

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

Why anti-CD20 or other antibodies are not used to label target cells in flow cytometry t-cell cytotoxicity assay?

New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...

21 February 2021 3,278 3 View

How to calculate time-averaged fields from Ansys CFX solver?

I would appreciate any comments on the following problem. I need to calculate mean fields (e.g. pressure, velocity and vorticity), for which I activate Trn Stats tab in CFX-Pre. However, what I...

21 February 2021 8,548 7 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

Can anyone help with an Accurate Diffuser Expansion Loss formula for rectangular shaped diffusers in turbulent flow regime?

I have tried Idelchik's Handbook of Hydraulic Resistance 4th Edition (2007 page 300) formulas and across some range the formulas are reported valid for, the law of conservation of energy is...

20 February 2021 2,504 1 View