What is the best method for alkaloid extraction?

A student of mine is doing her thesis and needs to perform alkaloid extraction from a set of officinal drugs and has asked me for the best way to perform it. Now, the two main methods I can think...

06 November 2020 3,086 5 View

Do you know Psychometric Test or questionnaires specifically designed to evaluate tennis players?

28 September 2020 6,850 7 View

Ultrathin sections of spermatozoa

Guys, which is the best protocol according to Your experience to cut ultrathin sections of human embedded spermatozoa?

16 May 2017 299 2 View

Good books on the history of the HIV epidemic?

Does anybody knows a couple good books on the history of the HIV epidemic and first outbreak response? Trying to trace some parallels and I believe that as I was not born at that time some good...

19 April 2017 8,956 3 View

How can I define Goldak's double ellipsoidal heat distribution's parameters (ANSYS APDL)?

It is well known that the double ellipsoidal has basically the parameters a, b, cf and cr. Is it right to define the a and b parameters of the ellipsoid as half width and the penetration of the...

08 November 2015 904 1 View

Is there a large, reliable virtual face database?

I am currently building and matching neutral faces (i.e. with no expression of emotion) with virtual faces via FantaMorph software for an animacy/empathy study. While there are plenty of neutral...

21 August 2014 4,869 3 View

Protocol for Nitrilase Immobilization.

Does anyone know which is the best method for nitrilase immobilization in order to preserve enzymatic activity?

19 April 2013 7,125 2 View

Public implementation of brain emotional learning-based neural networks

Would anyone know if there is any public implementation of brain emotional learning-based neural networks available? I am looking for implementations of limbic-based artificial emotional neural...

01 January 1970 2,664 3 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

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View