How we can dissolve theophylline derivatives for the MTT test?

I have a question about your letter, Fluorescent phosphoinositide 3-kinase inhibitors suitable for monitoring of intracellular distribution. Can you tell me how we can dissolve theophylline for...

26 January 2021 9,094 1 View

How to read an HPLC report?

I have four HPLC graphs (for methyl ethyl ketone (MEK) and sulfuric acid and little organic monomers) and I want to analyze them. Is there anyone who can help me with this?

23 December 2020 6,180 3 View

How to do confirmatory factor analysis for a retrospective pre-post test questionnaire?

I've done a pilot test with a retrospective pre-post test questionnaire to measure changing in attitude. Now I want to enter the data collected from questionnaire in SPSS to do a confirmatory...

21 September 2020 7,726 6 View

What is suitable sample size calculation method while using SEM?

My population is all people above 18 years old in the country, so I think this is an infinite population. Is it suitable to use Cochran formula for sample size calculation while I want to use SEM...

02 August 2020 1,029 6 View

What are the tips to be considered for peptide encapsulation in liposome?

I am working on nanoliposome formulation to encapsulate a synthetic peptide , I have tried many ways for encapsulation, but after dialysis there wasn't any peptide in liposomes which I analyzed by...

02 December 2018 8,010 7 View

Is there any way to get a band in the purification of DNA polymeraseI instead of 2?

I'm working on cloning of DNA polymerase I of bacillus stearothermophilus in E.coli Bl21. in the purification step,after Ni-NTA step, instead of obtaining a 100kDa band ,I saw 2 bands in SDS-PAGE....

06 May 2017 9,689 4 View

Is there any limitation between transition of electrons in band structure od solid such as selection rule?

I know that for atoms and molecules the electronic transition must obey the selection rule. Now is that the case for solids. i will be grateful if anyone introduce any references.

07 October 2016 2,697 2 View

Can i add dielectric curves of spin up and dn of a half metal compund to obtain total curve just by adding their corresponding data, simply?

I obtain the dielectric curve versus energy of a half metal compound numerically for spin up and dn separately. Now I want to add them together to obtain total dielectric curve. Is it possible to...

04 July 2016 2,917 3 View

How can I transfer a data including lots of zero (precipitation) to normal distribution?

Dear all, I hope everything is going well with you. I am going to downscale GCM models using Statistical Downscaling. For conditional downscaling your predictand (precipitation) should be...

25 April 2016 6,229 9 View

Any advice to spin polarize or non-spin polarize thermal properties?

29 November 2015 677 2 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

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

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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

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