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

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17 February 2021 4,217 3 View

Which CGRP I could use to treat murine cells in vitro?

Does anyone worked with CGRP on mice. I m stuck with which the product good to use. I found Sigma products are good but Sigma has a lot of CGRP products and papers didnt mention the code or cat#...

16 February 2021 8,344 2 View

Why do cells die after adding MTT dye?

I was doing MTT assay, and in the last day before adding the MTT; the cells looked good (or so I think), but after aspiration of the drug and addition of MTT dye I noticed that most cells seemed...

07 February 2021 3,846 4 View

What are the causes of hyphae granulation?

Greetings, The examination of the interaction zone between Fusarium oxysporum and Pseudomonas by light microscope revealed clear hyphae without septa and the presence of granulations (vesicles),...

05 February 2021 5,523 4 View

How do I get spectral power distribution (SPD) of my photoluminescence sample to calculate chromaticity coordinates?

Hi, I have photoluminescence samples which I already characterized and from that I already obtained the steady-state photoluminescence (SSPL) property. I want to draw CIE chromaticity diagram to...

24 January 2021 7,770 1 View

How can I stain 3d printed cells in hydrogel without damaging the gel?

I tried staining my cells in a gel using standard protocols with 4PF% for fixation and triton-X or saponin for permeabilization but the gel always gets damaged throughout the steps, and at the end...

17 January 2021 4,170 1 View

Is there any alternative of PEEK polymer for permanent implant application?

I am looking for an alternative of PEEK polymer having same characteristics like PEEK which can be used in permanent implant devices. Any help or suggestions are highly appreciated. Thanks.

03 January 2021 6,062 4 View

How do I use clinical BioBERT for relation extraction from clinical text?

Hola I'm working on a project that deals with clinical named entity recognition, relation extraction etc. I'm currently using Scispacy library for NER work. However, I'm searching for a open...

16 December 2020 5,701 1 View

How can one synthesize the Inverted Core-Shell Particles (ICS)?

Dear RG colleagues, how can one synthesize the inverted core-shell particles (ICS) from a polymer and a Nano-metal oxide? Where the polymer is a core and the metal oxide is a shell. Under which...

01 December 2020 9,895 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

IHC on mouse liver hepatocytes?

Can anyone help me choose primary antibodies for mouse liver hepatocytes and also in conjunction Cd8 cells. Also Cd3 cells. I want to look at hepatocytes and adjacent immune cells in mice with...

01 March 2021 6,953 1 View

How to avoid ulcers in s.c. injected tumors ?

Recently, we have injected s.c. B16F10 tumor cells in BL/6 mice. At around 12-15th day some animals showed ulcerations in tumors , with a big hole in the middle (it looks like a volcano). We have...

01 March 2021 9,938 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 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

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

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View