How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

Can wavelet packet sub-bands be stacked together to form an image?

I have a 1D signal and I have done wavelet packet decomposition on it which is giving several sub-bands. Can I stack these sub-bands (one below other) to form a 2D matrix and hence an image...

27 November 2020 1,269 5 View

Why the IT services companies (based in India) are mainly patenting only at the USPTO?

Please suggest some papers/reports on the changes in the policy with respect to patenting of computer software in India. Does it have any implications as to why the IT services companies (mostly...

12 November 2020 8,351 1 View

Why does HeLa transfected with connexins grow at a much slower rate and form colonies ?

I have two cell lines, one is the wild-type HeLa Cell Line (wt-HeLa), and another is a virally transfected with Connexin-43 HeLa Cell Line (HeLa-43). I have grown both the cultures overnight,...

01 March 2020 8,106 3 View

Is Diethylamine detectable in UV/Vis spectrometer?

I tried to analyse diethylamine in hplc with UV detector but it was not giving satisfactory results. Will using UV/Vis spectrometer in case of diethylamine will be usefell?

27 February 2020 8,686 3 View

Does the aqueous extract of Neem bark have same constituents and composition of any other organic solvent extract of Neem Bark ?

I am trying to do an experiment where I examining the effect of Neem Bark Extract on cells. I have two sources for the extract. a) Self-made Methanolic Neem Bark Extract and b) Aqueous Neem Bark...

07 February 2020 3,076 3 View

I performed a DSC experiment in Alumina (Al2O3) crucible. The alloy appears to have reacted with crucible itself. What can be the reasons for this?

I am working on Zr based metallic glass which reacted with the Alumina crucible in which I was performing the DSC experiment. Kindly suggest possible reasons for this anamoly.

23 January 2020 8,039 2 View

How I can remove metals from an enzyme experimentally? Please provide detailed protocol, if possible step by step?

I previously tried some protocol to remove metal from enzyme to make apoenzyme, but it did not work. Questions in this regard: 1. My apoenzyme gave 20% activity but in many literary sources...

26 December 2019 8,079 3 View

How can I quantify the effect of electronic configuration of participating elements in its role in increasing the entropy of High Entropy Alloys?

I wish to incorporate the electronic interaction entropy change in the calculation of total entropy of a high entropy alloy. Please suggest ways to quantify it in case of any arbitrary equiatomic...

24 June 2019 3,482 2 View

What is global benchmark for skin temperature of furnace?

Currently, i am working on electric heating furnaces (furnace inside temperature is 800 degree C)and to reduce energy consumption best option is reduce heat losses. So, i want to know global...

26 May 2019 6,097 3 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

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

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View