What is the role of ether solvent (such as THF) in Sonogashira coupling?

Can Amine (such as Et3N) be used as solvent as well as base for the Sonogashira Coupling? How to decide the amount of solvent to be used in any reaction? Does the amount of solvent affect the...

14 February 2021 4,018 3 View

How do I refine a specific region of my protein model so that it perfectly superposes with a template peptide PDB with the same sequence?

I have a protein model and want to replace a 12-amino acids-long region within the center of the model with those of a PDB file containing a 12-amino acids long peptide of the same sequence. This...

02 February 2021 779 2 View

How Architecture is related with Culture?

How architectural form, shape, style and technique are influenced by Cultural Values and Norms?

05 October 2020 6,651 17 View

Do we really pay serious attention to balance such factors for good design affecting in Human comfort?

It has been recognized that Architecture is influenced by many factors like, Social, Physical, Cultural, Environmental, Economic and Political etc.

04 October 2020 5,867 10 View

Is there any way to output LAMMPS readable data file which can identify similar atoms but in different molecules??

I have been working with a complex system that involves 5 different atoms and 3 different molecules. However 2 of the atoms are present in 2 different molecules i.e O & H. Now when I am...

10 March 2020 4,547 2 View

Which circuit design should I use to generate emf oscillating at frequency of 2.5Ghz ?

I am looking for a circuit which can generate an emf oscillating at frequency of 2.5Ghz. My setup is in such a way that, I am passing particles (negligible mass) from a tunnel and want an emf...

21 December 2019 9,800 6 View

Why Biosurfactant production varies with the carbon sources?

Some Pseudomonas sp. are reported for biosurfactant production with glucose as a carbon source, where as other Pseudomonas sp. reports the significant BS production with hydrocarbon. Why?

12 November 2019 282 3 View

What is the best way to test the porosity of a scaffold?

The pore size of my developed bone scaffold ranges within 100-500 microns as observed from SEM analysis. What is the best way out of BET and mercury intrusion porosimetry to test the the pore...

19 August 2019 7,324 2 View

What is the role of nitrobenzene in the synthesis of 1,3,6,8-tetrabromopyrene ?

During the synthesis of 1,3,6,8-tetrabromopyrene, nitrobenzene was used as solvent, so I feel that it was used as a solvent may be because the reaction requires high temperature to form the...

03 July 2019 2,534 3 View

Researching a plant which is known to be anticancerous, as it is referred in ethno-medicine,its molecule is cited should wet lab be done to verified ?

The plant is already known as anti-cancerous, but the biochemical study has not been done. However the active compound, from the plant has been researched already to find anti-cancerous activity...

13 June 2019 451 5 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 is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 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