Kindly guide.... After synthesizing ionic liquids or Ionic liquid based surfactants, is it possible to purify them by normal column chromatography?

This is a major issue face by concerned researcher!! Waiting for a generalized answer....

04 May 2018 129 6 View

At the moment only about 300 ionic liquids are commercialized, what should be the amount in the case of Ionic liquid based surfactant?

"At the moment only about 300 ionic liquids are commercialized" This information I have get from one Chemistry thesis of 2017. In the case of Ionic liquid based surfactant what should be number?...

04 May 2018 937 4 View

Any paper/journal on the quantitative solubility of the hydroxypropyl cyclodextrin?

This kind of system is benign in literature. So related paper, Kindly send. Thanks in advance.

03 April 2018 1,551 0 View

Out of this two picture which one is correct finding of the peak? Right one? If yes, why and also if not then also why?

Usually instrument give an automatic pink finding pathway, but if we do it manually than what should be the right technique?

01 February 2018 1,725 1 View

How can we get idea about crystalline transformation/ modification/ manipulation upon inclusion of a guest with a host from powder XRD?

There are many instances where researcher used XRD for getting the confirmation about the inclusion. But not a single paper given any proper idea about such kind of transformations( probably) !!

31 December 2017 7,545 0 View

Static and Dynamic Light Scattering (SLS/DLS) Light scattering is a well established technique, do both require Pre-Refractive index value?

During DLS it's require to put the RI value before run the experiment. Why it's require? Where it's more necessary? DLS or SLS?

09 October 2017 1,299 3 View

Can we use the term "Mole-fraction" in case of electrolyte?

Usually the term "Mole-fraction" is the case of electrolyte... Any reason? Can't we use in some limiting condition?

09 October 2017 9,365 0 View

Is the role of Cl- ion in biological system from the NaCl & Cl- ion in Trigonelline hydrochloride are same?? If different then what is the reason?

NaCl is an ionic compound Trigonelline hydrochloride( Alkaloid) is also an ionic compound but probably less ionic character...

06 July 2017 385 1 View

Is it necessary that liposome(Vesicles) core always contain water even if there is no Water??

06 July 2017 4,927 4 View

No title

05 June 2017 7,805 1 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 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

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

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View