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 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

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

Before going to MTT assay for antiinflammatory test can I do DPPH, nitric oxide test, lipid peroxidation test for drug loaded nanoparticle ?

I am having a plant extract loaded nanoparticle. The antiinflammatory activity of the plant extract has been confirmed by doing DPPH and nitric oxide test. But for the nanoparticle loaded extract...

26 November 2019 4,232 3 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 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

What can possibly replace Aluminium in Aerospace industry?

I am looking for material which can replace aluminium in aerospace industry as i want material which will be having high melting point and must be light in weight. As i am looking at this from...

20 May 2019 9,612 28 View

How to take PL of Methylammonium Lead iodide thin film?

I am working on methylammonium lead iodide perovskite thin films. Whenever I try to take PL of MAPbI3 thin films using Agilent Cary Eclipse Fluorescence Spectrophotometer I didn't get any peak....

11 April 2019 5,176 4 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

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 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