What are the possible causes for disappearance of some peaks on doping?

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Do we see connection between climate change and the transmission of coronavirus?

How likely are we to see the infectious disease spread as a result of climate change? How are the communities most at-risk, and how and why both COVID-19 and climate change harms them? Why is it...

09 February 2021 1,459 28 View

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 decolonize climate change research?

Who has the right to define what is climate change research should be? Who should define the climate change research topic, research questions, and research design? Who should own the climate...

29 November 2020 1,077 12 View

Is the future of "Science" or "the Scientific Implications of Climate Change" connected with the US election?

Donald Trump and his challenger Joe Biden have presented vastly different visions for handling crucial issues, from the coronavirus pandemic to climate change. This results in how the election...

29 October 2020 8,810 6 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

Anyby have experience in making cheap TiO2 photocatalytic filter to remove ozone gas in air upto 100ppm from 100m3 closed space ?

I'm making an ozone-based Air purifier and need to scrub out ozone gas after the use. I read about TiO2 based photocatalytic filters but they are not available. Please suggest efficient ways to...

24 September 2020 2,383 5 View

How to get even distribution of aluminium oxide nanoparticle?

I want an even dispersion of aluminium oxide nanoparticle (30-60 nm) on the substrate but going through the primitive route (dispersion of nanoparticles in water or ethanol followed by...

15 July 2020 4,839 5 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

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 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

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

Genescan gives 3 peaks instead of one?

Hi all, I am doing a genescan analysis for a deleted exon in the patient sample. The amplified region is 215 bp. In the patient sample because of homozygous deletion, no peak is observed while in...

23 February 2021 5,645 1 View

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View