Can anyone help me how to get the similar bands in Actin?

I run western blot on HCT-116 cell lines, I got actin band like in the attached picture. The band size is not same. Can anyone help me explain this situation and how to overcome? Thank you your...

22 February 2021 6,937 3 View

How big the Balb/c mice spleen after immunization?

I am working with Balb/c mice, and in my experiment, I have to inject mice with antigens, then get their spleen and collect the splenocytes for fusion. Recently, I get into trouble with the mouse...

04 January 2021 3,591 3 View

Capture of oleophilic solid polymers present in water solution ?

I am looking for articles, coferences, publications or thesis concerning the capture of solid oleophilic polymers in solution in water. Thanks Thierry Le Blan

01 January 2021 5,798 3 View

Hybridoma stops producing antibodies after thawing from liquid nitrogen?

Dear scholars, Our research is currently involved with hybridoma technology. We have isolated some original clones after fusion and we are preparing the subclone step to find some true positive...

01 December 2020 1,178 3 View

Suggestion for normal ovary cell lines?

Dear all, I want to choose a normal ovary cell line and check for its proliferation property when introducing carcinogenic factors. Does anyone have any suggestions for the cell line? Many thanks...

08 November 2020 9,100 3 View

What is Snapback Primer in realtime PCR?

Dear all, I find a paper using Snapback primer. I do not understand the function of snapback tail? What is snapback primer? When do we use snapback primer? and why we use that? Thank you.

01 November 2020 8,869 2 View

Rotation matrix - 3D dimension to 2D dimension?

22 October 2020 9,354 4 View

Am I introducing any potential loss of RNA integrity by combining an RNALater solution with a non-ionic detergent?

I am planning to characterise the transcriptome of pre-anthesis kiwifruit anthers. The samples are being harvested on my behalf and sent down by post, and I cannot ask the harvesters to dissect...

10 October 2020 1,830 3 View

Why we got instability results when simulating elastic waves (Lamb waves) at high frequency using Abaqus?

Hi, I am trying to model Lamb waves propagation in an Aluminum plate using Abaqus. If I choose the frequency of 5-cycle Hanning excitation source is 0.2 MHz (to make sure that only 2 modes S0 and...

18 August 2020 7,022 8 View

Ion torrent - What happens if the amplicons are too long?

Hello everyone, What happens if I try to sequence with Iron torrent amplicons (eg of a marker gene) that are too long? By that I mean more than 500bp. We did try (not on purpose, we did not...

11 August 2020 368 3 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

How can I improve the concentration of banana fruits extracted RNA?

Currently, I'm working with banana fruits. I've tried to do RNA extractions with different methods, and I've gotten total RNA without contamination, but I couldn't get a high concentration of...

22 February 2021 6,126 2 View

3T3-L1 cells, is this a bacterial contamination or a cross contamination with different cell line? or something else?

Hi, I am experiencing some difficulties with 3T3-L1 cells culturing recently. I am working with 3T3-L1 cells for almost 4 years now and have seen bacterial contaminations/ unhealthy cells and...

13 February 2021 4,040 3 View

What is the method of removing RNase contamination from a filter paper surface?

I am working on a biosensing project on paper substrate, however, it is found that the RNase contamination occurs on the filter paper. Might I ask is there any method to clean the paper surface...

12 February 2021 3,926 3 View

Troubleshooting with immunofluoresence/confocal microscope? What went wrong?

Hi guys, I have no experience and little knowledge on immunofluorescence and confocal microscopy. I tried to visualize the expression of FXR in my cells (THP-1 macrophages), yet I did not...

11 February 2021 562 6 View

Which fungicide are good for primary cells? Does it yeast contamination? How to get rid of them without killing the cells? How to get rid of spores?

Hello! Our lab is working with primary cells which we are isolating from the colorectal tissue. During the isolation, we are washing the tissue with pen-strep and then also add some pen-strep in...

07 February 2021 8,258 3 View

Moving bacteria-like organisms in my HEK293T cell culture?

Hi everyone, I have been culturing HEK293T cells that have been engineered to overexpress the mechanosensitive protein Piezo1. However, I am finding it very difficult to keep them in culture -...

02 February 2021 7,892 4 View

I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View

What is the best concentration of Pam3CSK4 to coat a dish to activate with THP-1?

Hi everyone I am trying to coat a glass-bottom dish with Pam3CSK4 and plate THP-1 cells to measure IL6 with ELISA from the supernatant. I wondered if anyone knows a good concentration and...

21 January 2021 2,593 1 View