How to find the air side pressure drop in a spiral fin tube bundle cross flow heat exchanger?

How to find the air side pressure drop in a spiral fin cross flow heat exchanger? The pressure difference at the inlet and outlet is very low compared to the experimental results, which I...

18 February 2021 1,109 2 View

Which sources you would suggest for finding unpublished research articles in order to include in meta-analysis?

Which sources you would suggest for finding any sort of unpublished research articles (e.g., pre-prints, rejected manuscripts, articles from grey-area, dissertations) in order to include in a...

09 January 2021 7,269 7 View

What is the reason for observing two bands of beta-actin after lipofectamine transfection of keratinocytes cells?

25 December 2020 8,668 3 View

Does anybody knows anything about INFORMATICA JOURNAL (SCI expanded), which publishe article at a cost of 423 US/or equivalent bitcoin dollars?

Does anybody knows anything about INFORMATICA JOURNAL (SCI expanded), which publishes an article at a cost of 423 US/or equivalent bitcoin? Is this journal fake or true?

15 December 2020 8,985 2 View

What kind of a relation is there between the cement hydration and the concrete properties?

How are the concrete properties changed by the differences in hydration?

24 May 2020 4,009 10 View

Blood or tissue sample for cytokine assay?

Hello all, I would like ask whether blood or colon tissue could be a better option to analyze TNF-alpha, IL-1B, IL-10, IL-6 levels in mice colitis model. Also which method would be a better...

08 December 2019 5,442 3 View

Can you share the names of research centers which gather the video-recordings of adult psychotherapy sessions?

Dear colleagues, I would like to conduct my independent research on psychotherapy processes of individuals with pathological narcissism. I would really appreciate if you can share your contacts...

10 November 2019 6,193 2 View

Does Kapa genotyping kit suitable for TA Cloning ?

Hello, I am extracting mouse DNAs and performing PCRs through KAPA 2G Fast hotstart genotyping kit. Before I use the pcr products for TA Cloning (invitrogen), I am purifying PCR products through...

14 October 2019 2,984 2 View

I cannot detect Parp protein after total protein isolation?

I cannot detect Parp protein after total protein isolation Hello everyone; I cannot detect the Parp protein after total protein isolation. I can see my cells die morphologically after a novel...

18 July 2019 2,593 2 View

At what stage should I use the DNAse I reaction protocol?

Protocol content (NEB DNAse I reaction Protocol) : RNA: 10ug DNAse reaction buffer 1X 10ul DNAse (Rnase free) 1ul Nuclease free water 100 ul My question is; if I use this protocol after isolating...

11 January 2019 1,249 3 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

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 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

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 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