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Which sources you would suggest for finding unpublished research articles in order to include in meta-analysis?

Which sources you would suggest for finding any sort of unpublished research articles (e.g., pre-prints, rejected manuscripts, articles from grey-area, dissertations) in order to include in a...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

Question about multi-level analysis with large-scale cross-cultural data?

Hello RG Community, I need advice about testing moderation and mediation hypotheses with variables measured at different levels. We have data from 18 countries, and I was curious if I can test...

30 August 2020 8,092 3 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View