Hi all, I use calcein am/ ethidium homodimer-1 kit to stain sperm. But in some cells I see both green and red signals. Should I evaluate those cells as live or dead cell?
Thanks all
I recently came across an anatomy text by Carl Moller that was published in 1915 but it is in German or Dutch neither of which I can understand. I would like to know if there is an English...
10 August 2024 4,347 1 View
I am writing a paper as a part of my course. I am new in London and was wondering that what publications should look upto?
21 July 2024 3,538 1 View
I am working on carbonic anhydrase immobilization into MOFs. I am facing problems with low enzyme loading.. The other issue is that when using p-NPA activity test to detect the activity of the...
20 July 2024 1,440 3 View
Hi all, I am trying to use mixed effect model to analyze my data, which including a baseline measurement for my exposure (A), and repeated measurements for the outcome (B). I do have some...
17 July 2024 8,682 3 View
i need to know the required time
15 July 2024 4,796 2 View
e.g. moment one: square in its normal state moment two: square after cutting large trees and replacing them with dwarf trees.
12 July 2024 8,258 5 View
Anyone kindly tell the name of software that make this graph quickly and also tell how we add vertices or lines in this graph with equal distance to get next dimensions of this graph ( i mean how...
11 July 2024 4,499 2 View
I participated in 2 research projects in which I was responsible for part of data analysis and figures production. Also, I spent hours trying a new statistical approach -for me- to implement in...
10 July 2024 1,226 5 View
Hi all, I am conducting research on screening peptides (20-35 amino acids) with potential for treating dengue fever through protein-peptide docking methods. In the protein database, I found the...
10 July 2024 8,037 1 View
Dear colleague, I need help with a GIS issue. The polygons have been separated by roads, leaving space between them (as shown in the attached figure). I'm looking for an automated solution in...
04 July 2024 6,752 3 View
I am staining some brain sections stored in cryoprotectant that express a Histone H2B- GFP fusion protein that were generated ~10 years ago. I know I need to enhance signal with an anti-GFP...
07 August 2024 5,338 2 View
To compare positive and negative cell populations in flow cytometry, should I compare unstained cells with antibody stained cells? Or with the isotype control? Most papers show comparison with...
06 August 2024 6,728 6 View
Hi all, I was just wondering if anyone has experience with multiplexing a mouse monoclonal primary and a rat primary. I'm trying to multiplex by incubating them in the same well but was told by a...
06 August 2024 9,710 1 View
I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...
05 August 2024 3,290 1 View
Hi guys If anyone is currently working on aging cells, you guys would like to give me some advice. I'm testing against biomarker (SA-beta-Gal), I encountered a false positive in the control group...
02 August 2024 6,735 1 View
All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.
01 August 2024 589 4 View
Dear All, I am trying to transfect a pCDNA3.1 vector containing my gene of interest. The purpose is to figure out the localization of the protein of interest. I have fused the protein with GFP on...
31 July 2024 9,892 4 View
Hello , I established a stable cell line expressing GFP tagged to a centrosomal gene having G418 drug selection marker. I validated the stable line by IFA and Western blotting, results are fine....
29 July 2024 5,007 0 View
Hello everyone, I am currently using washed human platelets to stain Annexin V as a procoagulant marker. Additionally, I am staining with PerCP-CD61 to identify platelet cells. So far, I have...
29 July 2024 8,624 1 View
I am running a western on HIV envelope protein. The size is around 50Kda and I am using rat anti-HA for the first stain and a second stain of mouse anti-CA. Primary antibody dilution is 1: 1000...
29 July 2024 6,484 5 View