Can I compare two mean scores of the same instrument, in the same sample? (Paired t-test)?

Hello everyone, I have scores on different scales of a sample of children, and I want to compare the mean scores on the different scales of this sample. For instance, my hypothesis is that...

10 December 2020 2,278 5 View

Protocol for proliferation of CD4+ murine T-cells?

23 July 2019 3,586 7 View

How to dissolve Dasatinib in order to go in vivo?

Dasatinib is an inhibitor of tyrosine kinases. I would like to test the effect of Dasatinib in vivo on my T cells. However, Dasatinib has a very low solubility (0.5mg/ml) with PBS, which is...

21 July 2019 3,056 3 View

Lysing of cell to detect antibody internalization?

07 April 2019 3,293 10 View

Fix 7-AAD staining?

Hi, I would like to make a viability staining using 7-AAD the day before the measurement; Is it possible to fix the cells? If yes, what do you suggest? Thank you!

01 April 2019 4,376 2 View

OT-I Rag1-/- genotyping protocol?

Dear all, Does anyone have a protocol to provide me to genotype OT-I Rag1-/- mouse? I have taken a look to OT-I and Rag1-/- genotyping protocols and I would need 4 primers for Tcra, 4 for Tcrb and...

10 December 2018 2,449 2 View

I need to measure the respiration rates in insects larvae. Do you have any suggestions about a feasible and not expensive equipment that can be used?

I know that there are avaialble some respiration chambers for insects but I was wondering if chambers used for small fruites can be adequate for the scope.

15 October 2017 3,205 2 View

What statistical analysis should I use for hierarchical questions data?

16 November 2015 9,532 4 View

Is it possible to change the orientation of hydrogen atoms of the ligand and protein residues? If yes, how is it possible by using Gromacs 5.0.4?

Dear users, I would like to change the orientation of an hydrogen of a D-serine (my ligand) and of a serine (as protein residue). How is it possible by using Gromacs 5.0.4? Thank you

12 September 2015 6,906 5 View

Can anyone suggest a free qPCR Data Analysis Software running on Mac?

Thanks a lot, in advance.

03 February 2015 4,087 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

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

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

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