Non motile black dots in animal cell culture, tightly adhered to the cells along the cell periphery. Is it a contamination? How to get rid of them?

I am seeing non-motile black dots of almost equal size along the periphery of skin melanoma cell line A375. They are present in almost all the cells. They don't turn the media turbid. However...

18 January 2021 5,151 1 View

Best flow cytometry markers for Thp1-derived M1 and M2 macrophages?

Hi everybody, I am trying to polarize and differentiate thp1 cells to M1 and M2 macrophages. There are lots of different protocols, so I've been trying different incubation times and...

02 November 2020 8,554 3 View

Have you ever seen two peaks after preparation small RNA library for NGS?

Hi, I have problem with my libraries, I use ClenTag Small RNA Library Preparation Kit by Trilink. The material is RNA from plasma cells. I have already done this two years ago and everythink...

25 August 2020 8,459 1 View

What are the key things to write and publish a paper in a good indexed journal?

The major spices and ingredients to add flavour in a paper for a journal in the domain of Computer Vision and Machine Learning.

27 June 2020 7,967 10 View

How to decide that a work is suitable for a conference or a journal in the field of Computer Science & Engineering?

What are the deciding factors to submit a paper in conference or journal.

21 June 2020 1,604 8 View

Whether Lambert Academic Publishing (LAP) provide printed copies to author? Do authors need paymet or sharing bank setails?

Hello Everyone !! Does anyone have any experience in publishing through Lambert Academic Publishing (LAP)? Recently I got a request mail from them regarding publication. I want to know about the...

25 April 2020 2,651 2 View

How can I write the .rpy and .jnl file in Abaqus cae for windows?

Hello :) I have the Abaqus CAE student version for Windows recently. My problem is: Abaqus does not write the .jnl and .rpy files automatically during a session as I am used to from the Linux...

30 March 2020 2,579 4 View

HSV1 in human tissue - dangerous after the fixation with PFA?

Hi, we are wondering about the HSV1 virus in human tissue. We want to perform in situ sequencing with this tissue, but we are not experienced with the virus-infected samples. Is it possible that...

14 October 2019 8,969 1 View

What details should be followed in MEGA-X for the Multiple Sequence Alignment of 16S data?

I have some 16S RNA sequence with which I want to do the phylogenetic analysis, so Initially I did BLAST against SILVA db and NACBI 16S db and went for MSA in MEGA-X using Muscle and Clustal both...

21 July 2019 9,320 3 View

While using R.E.D tools for charge calculation how to use Gaussian in the place of GAMESS? I have the file.p2n file and file.log ??

I have obtained the file.log after geometry optimisation done using GAUSSIAN and I do have the file.p2n after running Ante_RED-1.5.pl then I am getting an error of not having GAMESS while I wanna...

04 April 2019 4,228 1 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 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

What is the best concentration of cDNA to be used for qPCR?

I have synthesised cDNA from 500ng/ul of RNA. The concentration of the cDNA Is about 5000ng/ul. Should I dilute my cDNA or just use it as it is for my qPCR? I usually use 2ul of cDNA for a 20ul...

24 February 2021 8,618 3 View

Recommendations on homogenizers for RNA isolation?

I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...

24 February 2021 3,623 3 View

RNA-seq DEGs downstream analysis and reporting in literature?

I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...

23 February 2021 8,969 1 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

RNA degraded after good nanodrop readings?

23 February 2021 8,850 2 View

Is there a way to extract total RNA and protein from cell culture at the same time, without denaturing protein?

Hi all, Is there a way to extract RNA and protein from the same cell culture sample? Because we need to use the protein for gelatin zymography at later time, we are looking for a method that can...

22 February 2021 5,341 5 View