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Which sources you would suggest for finding unpublished research articles in order to include in meta-analysis?

Which sources you would suggest for finding any sort of unpublished research articles (e.g., pre-prints, rejected manuscripts, articles from grey-area, dissertations) in order to include in a...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

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 View

Does anyone have a recommendation for yeast reporter gene plasmid/protocol?

Hi, could anyone recommend a plasmid and/or protocol for reporter gene assay in S. cerevisiae? I want to assess the effect of growth conditions on a transcription factor, so I want to clone it`s...

01 March 2021 210 1 View

Expression cloning by using cDNA,do I need to modify the cDNA first?

I am going to have a expression cloning of mammalian gene by using shuttle plasmid to transforming the E.coli However I don't know I should only inserting the Coding sequence ,or I can...

28 February 2021 5,440 3 View

Difficulty in cloning of 1kb gene into vector?

I am facing difficulties in cloning a 1kb gene into a vector (pJIT163). I have my gene on interest (GOI) in pUC57 and want to clone in pJIT163 using SalI and BamHI restriction sites. I am getting...

25 February 2021 3,221 7 View

In what ways do fellow reaerchers think that mRNA vaccination may be under CRISPR systems technology application ?

There are many ways for mRNA to intervene with genome expression. This question is raised for experts in CRISPR systems. Any RNA does not stand alone within acell. There are many ways to become...

18 February 2021 9,109 5 View

Sanger Sequencing results not matching experimental results of Restriction Digestion, colony PCR and protein expression?

I have cloned two domains of a gene into two bacterial vectors using cut and paste cloning with different RE sites. I checked the putative clones by colony PCR and Restriction Digestion (fallouts...

18 February 2021 6,736 4 View

Why are Sanger Sequencing reads interrupted in some edited clones?

I have a Crispr/Cas9 edited bulk population and I can briefly check the indel ratios in the bulk population using Sanger sequencing. After cloning single cells, I wanted to check the indel types...

18 February 2021 8,198 6 View

Hi, can anybody help me with the suggestions how can I amplify a stress induced gene of 1107 bp?

I am trying to amplify the TGA1 (Transcription factor 1 ) of Arabidopsis ,which is 1107 bp. I have treated the plants with Salycylic solution over night and extracted the RNA and make cDNA. I...

17 February 2021 7,802 2 View

Alternatives to traditional cloning of insert into backbone (dsDNA)?

Hi, I am stuck with a cloning experiment: The insert & backbone(bb) share one compatible end at 3' end(NotI) and one incompatible end at 5' end (XbaI for insert; HindIII for backbone). So i...

16 February 2021 1,664 3 View

Why do I have trouble with cloning duplicate gene in the same plasmid?

Hello! I am trying to generate a construct in this format: seqA - seqB - linker - seqC - seqB into pSF-CMV-Ub-Puro-Ascl plasmid 0.5kb 2kb 66 0.25kb 2kb I have tried many...

15 February 2021 7,118 3 View