How to explain Epi Info Population formula?

Dear, I am using EpiInfo to analysis survey data. However there some issues that I still do not know how to figure out. What is the formula used to compute the Population survey. I found one n =...

10 November 2019 1,879 2 View

How does one compute IC50 value?

How to compute IC50 value of a solution automatically I performed experimentation, determining the percentage of bacteria growth in presence of different plant extracts and at different...

07 August 2014 4,708 3 View

Which statistical analyzes choose?

I want to perform test about anti-tumoral activity of triple dozen of plant extracts, with reference compounds. I have been told that before doing anything, I better choose the statistical test...

05 June 2014 9,399 2 View

What is the appropriate procedure to publish your first research article?

I have finished the manuscript of a research paper in French, and I would like to publish in English. But have not targeted a publishing group yet. which one could I choose? Do you have any...

05 June 2014 8,945 4 View

What does the R square coefficient mean and why is there different value when computing with Excel?

Computing the correlation between the concentration of plants extracts and the inhibitory percentage, I used excel software. When I make the Logarithm graph, in dialogue box, it is asked me if I...

04 May 2014 1,408 15 View

In an MTT viability test, what is the concentration of plant extracts that should be used?

I would like to study anti proliferative activity of plant extracts using the MTT test. I wonder which concentration of plant extracts I should used. What parameters should I take into account to...

03 April 2014 2,215 4 View

Why are there so many different methodologies for the MTT test?

I want to carry out the MTT Test, but in the literature, there is no standard test. The methodologies vary a lot from one another. Some people talk about shaking before optical reading, some...

03 April 2014 9,945 0 View

Is there a way to determine the cytotoxicty of a substance after assessing its viability effect?

I want to carry out the MTT test to show the viability effect of plant extract on cells lines. Is there a way to reveal the cytotoxic effects of these same extracts?

03 April 2014 5,167 3 View

What are the more relevant tests for assessing the anticancer activity of medicinal plants?

Anticancer tests methodology.

02 March 2014 2,431 3 View

On a computer running Ubuntu 13.04 OS, how to perform an LHD Fisher/HSD statistical analyses with R?

Software procedures: Make ANOVA 1 Analysis data with R software. Find out "P" and "F" with values during an ANOVA 1 Analysis of experimental data.

31 December 2013 4,846 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

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

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 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

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View