Birefriengence measurement of crystals?

Dear All, I have grown crystals of NLO material. I want to check the birefriengence property of my grown crystal. anybody please suggest me the place or institute where the birefriengence of...

11 December 2016 8,830 7 View

Why does bulk resistance increase with increase in temperature?

31 December 2015 2,246 3 View

Which parts contains Nyquist plot?

here i attach nyquist plot of my sample. when i try to fit it in z-view it looks like non-debye type semicircle so i used constant phase element rather than capacitor. but i am confuse that...

10 November 2015 9,084 3 View

Which bonds are responsible for the second harmonic generation efficiency of amino acids?

which are the bonds are responsible for the second harmonic generation efficiency of Amino acids, particularly L-THREONINE, L-SERINE ETC, and which of ion (cation or anion) of Ammonium Dihydrogen...

05 June 2015 3,410 1 View

How can I dry a chemical solution?

I take two organic solid material and dissolved them in distilled water, stirred it for some hours. I would like to prepare salt of these two material. For example L-thronine and picric acid. So I...

03 April 2015 8,999 11 View

How do you calculate valence electrons (Z) using powder XRD?

I have taken powder xrd of my samples and want to calculate plasma energy and other parameters. For that I need number of valence electrons (Z) for my samples. So please suggest the method or...

02 March 2015 4,285 3 View

Is there any softwares are available for the calculation of kinetic and thermodynamic parameters using various models from TGA/DTA?

I take TGA of my samples and want to calculate kinetic and thermodynamic parameters for the reaction like activation energy, frequency factor, standard entropy and gibbs free energy etc. using...

31 December 2014 1,795 9 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 View

Build an orthogonal box in ASE?

Hello, I was wondering the best way to build an orthogonal box filled with a defined crystal structure in ASE. I know it could be easily done in LAMMPS, but I guess it is also doable in ASE. The...

21 February 2021 5,899 4 View

Please suggest the website or link for the collection of data for (Cancer Incidance Rates in India)?

We are doing research for the prediction of cancer incidance rates increases in India upto next five years. Please help us to get the exact data for Cancer Incidance Rates in India. This will...

19 February 2021 8,478 2 View

FDC and FRC cell populations in mouse spleen?

I was trying to isolate fibroblastic reticular cells (FRC) and follicular dendritic cells from mice spleen, but kept getting poor yield. I found from literature that the frequency of FDC is around...

17 February 2021 3,506 4 View