What is the percentage expression of CR3 (cd11b/cd18) receptor on Macrophages?

I am checking CR3 expression on PMA stimulated THP-1 macrophages. In my experiment i used antibodies against CR3 and checked expression by flowsight. I got nearly 20% control THP-1 cells...

01 February 2018 6,188 0 View

What is the simple and easy protocol to isolate RBC's from whole blood sample?

I have four specific questions regarding RBC's isolation from blood? Procedure-Procedure to isolate RBC's from whole blood? Can i use ficol method to isolate RBC's? my real concern for this...

31 December 2017 2,185 1 View

I want to ask about statistics used in analyzing growth curves of the microorganism?

I have two strains A and B. I grow them in a media for 0-24 hrs and took reading at every 30 mints. I plotted these values on a graph (Y=O.D and X=Time). I want to see the significance difference...

01 February 2017 7,926 3 View

Can I use Tango buffer instead of EcoR1 restriction buffer while digesting plasmid with EcoR1?

05 June 2016 970 4 View

Why membrane associated complex (MAC, C5-9) of compliment system can't form pore in cell wall of Candida?

03 April 2016 4,109 2 View

Which of the Covid-19 Vaccines would elicit the best immunoprotection and why?

I want to know which of the available Covid-19 Vaccines would elicit the best immunological response and why

02 March 2021 1,388 3 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

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Looking for advices and tips to improve the staining and the gating strategy in human blood?

Hi, I am staining a human blood with CD19, CD3,CD14 and CD16. My gating strategy in FlowJo goes like this: - First, I gate a general population SSC-A VS FSC-A => Then gate for single cells, =>...

21 February 2021 5,724 4 View

How T cells recognise non-peptide antigens?

This might sound very basic question, but please share with me an explanation of how the T cell is activated when the antigen is not a peptide? What happens? And what are the molecules involved in...

21 February 2021 564 3 View

Is CXCR5 on T cells affected after a cell sorting?

I have tried to sort CD8+ CXCR5+ in the ARIA but the purity of my sample is about 50%. After sorting, I stain my samples to verify purity but it is low. So, I thought about "downregulation" or...

15 February 2021 8,034 7 View

ACE2 Blotted as a double band?

Hello, I have recently run a western of Vero cells for ACE2. I detected ACE2 at the correct size, but it presents as a double band. The sample was prepared by lysing cells in 1X Laemmli...

07 February 2021 6,973 3 View

What are the validation parameters for RAW BLUE macrophages 264.7?

Currently, I am working with RAW BLUE cell lines to check the SEAP expression on addition of TLR ligands? Method developed for different TLR ligands. How experiments can design for validations?...

24 January 2021 589 2 View

Can you polarize Jurkat cells into different T helper subsets?

I am wondering if anyone has had success with in vitro polarization (via cytokines) of Jurkat cells. My goal is to understand the affect of a drug on Treg induction and differentiation. I...

12 January 2021 3,606 2 View