How to get the model shape matrix from Nastran?

I need to include the bending mode dynamics in my simulation. So far, I am only considering the rigid body dynamics. So I need to implement the following equation: q'' + Kg*q = Phi*F(t), where:...

19 November 2020 4,270 5 View

Size-exclusion chromatography for the isolation of EVs?

Dear all, I am currently doing research on extracellular vesicles (EVs). I'd like to improve the isolation method by trying out size-exclusion chromatography (SEC) compared to serial...

07 September 2020 4,412 5 View

You can support me in a study on COVID-19?

Hello, I am a psychological researcher. We are conducting an investigation on COVID-19 and I hope to have your support....

17 July 2020 8,402 13 View

Which is the optimal optical density for toxical recombinant protein expression in E.coli BL21 (AI)?

Hi everyone. I am trying to express and purify a recombinant antimicrobial peptide using as a host cell E. coli BL21 (AI) (employing L-arabinose and IPTG). Because this peptide can be toxic to...

19 February 2020 4,888 4 View

How reliable are third-party pollsters such as SurveyMonkey, Qualtrics and QuestionPro for your thesis?

I do understand they are being used in consumer or market research. But what about if you engage them for your thesis? Are they reliable? Because of time constraints and for convenience, some...

13 December 2019 493 3 View

Is it reasonable to perform Free Energy Landscape (FEL) anallysis on molecular dynamics simulations of 50ns?

Hello everyone, I'm having an issue with a review of a paper. I performed 50ns MD simulations on docking poses to know if the predicted poses were stable. Among the literature doing similar...

24 October 2019 4,608 5 View

Are any Laser-Induced Breakdown Spectroscopy (LIBS) raw spectra from reference materials available online?

Hi everyone, we are testing a calibration-free algorithm to estimate the concentration of a unknown material using the LIBS spectra. It is implemented in Matlab and we plan to publish it in...

01 October 2019 3,202 1 View

Can LiCl precipitation be used in purifying low RNA concentration (30ug/ml) ?

RNA which has been extracted from blood collected in Heparin tubes are not showing any amplification after cDNA synthesis, in comparison to Blood of same patient collected in ETDA tubes. Any...

25 September 2019 9,026 2 View

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07 August 2019 2,592 2 View

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04 August 2019 5,642 2 View

Hello fellow researcher .. What is the meaning of your name?

I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.

03 March 2021 5,266 4 View

Anyone that can help with details in phosphopeptides enrichment?

Anyone know the amount of protein before enzymatic digestion for phosphopeptides enrichment of serume sample in Ti-IMAC? Has anyone ever use Ti-IMAC(the material is from Chinese company named...

28 February 2021 7,310 3 View

How to get rid of somebody pretending to be the author of a publication?

One of the publication I co-authored has the author's name in abbreviation. Then, somebody whose nothing to do with that paper acquired it as her work. To whom in this RG shall I ask for a hand,...

27 February 2021 4,206 4 View

Is there a fast method matching citations to bibliography (manually typed references)?

I need to be able to match in-text citations to a reference list and back again in very large documents (100+ pages) WITHOUT the use of referencing software like Endnote. my method is to type the...

27 February 2021 9,848 1 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

Why is My firend's profile not visible?

Hello, I created a profile for my friend on google scholar. I have added a verified email address. I marked the profile as public. Formerly his profile was visible. However, now, When I type his...

24 February 2021 8,680 3 View

How Can I clain a removal of a co-author?

I would like to make a correction in a co-author in your paper which is wrong. This name is also in other papers of Kenton Ko. Zey Ko is not a Co-author . The correct name is Zdenka...

24 February 2021 3,476 4 View

Anybody write me the name of scopus journals in commerce, management, economics areas. Which publish without any charge?

Please write those scopus journal names for which you have good experience with them.

24 February 2021 6,210 1 View

Which statistical test to use for comparison of different groups in a categorization?

I am doing a study on how programmers with different levels of expertise choose class names. A description was provided to the participants together with a list of possible class names for the...

21 February 2021 3,662 4 View

How I can add publication with maiden name?

Good morning, can You please tell me how I can add an article that was published under my maiden name? When I try to add an article with this name, it appears information that I should be an...

21 February 2021 6,866 3 View