Are there major issues with using tetrahydrofuran as a solvent in cell viability assays?

I want to test curcumin and sulforaphane in cell viability assays. I am planning to use tetrahydrofuran (THF) as vehicle for two reasons: 1) I have verified that these compounds are well...

04 January 2019 138 1 View

How stable is sulforaphane in PBS?

31 December 2018 5,844 3 View

What papers or manuals do you recommend the most to be up to date on PLS-SEM?

Dear mates: I have read some papers and manuals on Structural Equation Modeling (SEM), specifically, PLS-SEM technique. I am interested in those papers that highlight the latest approaches or...

05 June 2018 9,197 12 View

What do you know about interculturality and science teaching?

In the most of the countries, teachers teach about science, art, humanities, social, technology, etc. All they are "western" knowledge. However, in few countries teaching about other kinds of...

03 April 2018 3,486 6 View

Problem confirming discriminant validity (SmartPLS). Could you help me?

14 September 2016 4,923 9 View

Multicollinearity issues: is a value less than 10 acceptable for VIF?

Hello mates Some papers argue that a VIF

08 September 2016 4,183 48 View

Problem confirming discriminant validity (SmartPLS). Could you help me?

08 September 2016 1,796 10 View

Can someone tell me how to reduce the precipitate (particles) of hematoxylin and eosin staining in histological sections?

There is much precipitate (particles) of hematoxylin and eosin in histological sections and we can not distinguish well the structure of epithelial cells. Staining was carried out automatically on...

24 February 2016 4,339 11 View

What is the project about?

Hello. I am Julio form Colombia. I am interested on your project. I have some papers about the same topic. My papers are written in Spanish and some of them are in brazilian journals. I think we...

01 January 1970 2,312 3 View

Is it an open project?

Dear Professor I am Julio from Colombia. I am doing my PhD in Germany about teachers education on intercultural teaching of chemistry. That is why I am interested in your proyect and...

01 January 1970 443 0 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 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

How can the use of Jolly Phonics improves the quality of reading, speaking and writing in rural disadvantaged communities in Papua New Guinea?

Jolly Phonics reading program is an effective way to teach early reading to young learners. How can lectures at the university prepare early childhood student teachers to teach Jolly Phonics to...

03 March 2021 3,731 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

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