How can I calculate the NMR chemical shift?

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I have generated a figure "Gene distribution by conservation" from 20 genomes of bacteria. Can someone explain how to interpret correctly?

I have generated a figure "Gene distribution by conservation" from 20 genomes of bacteria. Can anybody explain how to interpret it correctly? Thank you in advance

11 January 2021 3,346 2 View

How to calculate thermal stress in cylinder if water is flowing inside the cylinder?

How to calculate thermal stress in stainless steel cylinder if water is flowing inside the cylinder?

14 October 2020 905 2 View

How extract and purify extracellular proteins expressed in E. coli?

Hello everyone, I am having trouble isolating and purifying an extracellular protein which I have expressed in E.coli. I have induced my protein at 0.5 mM IPTG by incubating it at 37 degrees for...

02 October 2020 8,223 3 View

Systematic Review and Meta-analysis?

Hi, I am planning to conduct a systematic review and meta-analysis since very long. However, found difficulty in literature search and statistical analysis. Please anyone advice me any easy way...

11 July 2020 7,868 13 View

Can I use the same research instrument for collecting data from two different populations?

Can I use the same questionnaire to collect data from health as well educational sector employees to measure their level of job satisfaction ?

02 July 2020 7,480 1 View

Can anyone help me finding good impact factor journals to submit uninvited review paper on postharvest chilling injury in fruits.?

I have tried submitting my review paper in relevant journals, but most of them only accept the review paper invited by the editor of the journal

28 June 2020 4,371 5 View

How to calculate the sample size for a clinical study where the exact disease prevalence is not available?

While planning clinical study like RCT on diseases like COVID-19, how can we calculate the sample size when exact disease prevalence is not available

01 May 2020 5,079 3 View

What are the major problems and challenges in social science research?

What are the major problems and challenges in social science research and let us proposed comprehensive solution accordingly. The considerable known challenges are development of...

27 September 2019 1,757 13 View

Can SS 316L be heat treated at recrystallization temp. for achieving fine grains?

Will carbide phases get dissolved at this temp.? What can be the probable cooling rate? Please suggest

10 September 2019 5,188 4 View

How Research gate enhance our academic excellence?

Although, Research gate is a social networking site for scientists, social scientists and researchers to share papers, ask and answer questions, and find collaborators. But how it exactly enhances...

05 September 2019 8,889 30 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View