What statistical analysis would I need for a questionnaire?

Let me first start by saying I'm dyslexic, two universities were unable to teach me research methods and statistics in a way that worked with my dyslexic limitations, and I've continuingly failed...

08 July 2020 8,712 6 View

I'm looking funding and grants for a medical study in deep brain TMS in Vancouver Canada - anybody have any suggestions about who to apply to?

Deep brain TMS study with paired PET scans for individualized targeted treatment based on individual brain functioning reads before and after treatment of deep TMS in identified areas in the PET...

09 March 2020 6,612 3 View

Can a cell membrane be overloaded with too many particles attempting to enter?

When more than one biomolecules attempt to enter into a cell membrane at once (in a large quantity) does it impede the transfection process?

23 July 2019 4,149 2 View

[solved] Can you explain a +44 mass difference in peptide synthesis?

Dear experts, after peptide synthesis (standard Fmoc chemistry, no acetylation between the couplings), I have a significant peak next to my main product for analytical reverse phase HPLC (see...

20 December 2018 782 7 View

Can you help me finding a list of transparent polymers suitable for light microscopy including refractive index?

We develop medical devices for characterization of thin tissues which should be produced from plastic/polymers (wall thickness

29 September 2018 5,445 8 View

Dear, could anyone point me to a good multivariate statistical analysis book?

I want to improve my knowledge in this area. I would like indications of good books that you have studied.

22 July 2018 4,867 10 View

What do you think of the Comet Assay?

Dear Investigator, The comet assay has been in existence for many years, but the general protocol largely remains unchanged, despite it requiring numerous, time-consuming steps. We in the...

12 October 2017 911 3 View

How to stop DAB precipitation during IHC

22 June 2017 2,939 3 View

HPLC-ESI MS analysis of Coenzyme A, Malonyl-CoA, and ATP?

Hi all, we run our HPLC (Agilent 1100 series) usually with C18 or C8 columns, using acetonitrile/water gradient with 0.1 % HCOOH. We have a DAD detector and can attach the HPLC outlet directly to...

07 March 2017 2,150 3 View

How to determine oxygen amount / composition of a gas sample?

Hi, we recently had problems with some syntheses where we use nitrogen flow to remove a byproduct (tBu-SH) from a reduction reaction from a reaction mixture. The educt is a StBu-protected peptide...

17 January 2016 2,441 4 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 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

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View