LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

How to increase the lower detection limit of ELISA?

Hi all, I am trying to establish an ELISA method for the quantification of a recombinant protein injected into mice. In the meantime I am trying to make calibration curves with the purified...

27 January 2021 8,702 3 View

Best glass slides for metal oxide UV-vis and PL measurements?

Hi there, I am currently using Alfa Aesar fused quartz slides for my UV-vis and PL measurements of TiO2, but it seems that their slides emit in the UV around the same wavelength region where I...

19 January 2021 438 3 View

What is the best and most efficient way to conduct a meta analysis?

I have never conducted a meta analysis before, so I was wondering how to approach it. Let's say I wanted to look a how a specific metric has evolved over the past 20 years, for example the...

08 November 2020 8,663 2 View

Longest duration for an experiment involving oral gavage?

Hi, I was wondering what the longest period of time anyone has done an experiment involving daily oral gavage? I have a model that takes 6 months to fully develop and need to begin treatment at...

05 November 2020 6,243 3 View

What organic solvent is silver (I) sulfide not soluble in, and how to unambiguously confirm presence of P-N double bonds?

This is really two questions. I'm trying to convert P-S bonds into P-N bonds using Ag+ to pull off the sulfur, but when attempting the reaction in THF, either the silver sulfide was dissolved in...

17 June 2020 9,066 8 View

Sampling rate in matlab?

Can I know what is the sampling rate of ifft() command which is a build in function in matlab?

01 June 2020 7,937 12 View

Finding Hidden Defect in ceramic sample in matlab?

I am dealing with ' Optimal signal processing of frequency-stepped CW radar data' from the website of Optimal Signal Processing of Frequency-Stepped CW Radar Data I want to find the hidden...

27 May 2020 1,125 12 View

Can Coronaviruses quorum sense?

Looking at the various CoV genomes, there are peptides/small proteins, aside from ORF1/2 on the genome, of which functions are unknown. These could circulate and in theory, once in abundance,...

25 March 2020 5,948 5 View

Where can I buy photodiodes?

Hi there, I'm looking to buy various photodiodes/solar cells for some experiments. The cells I'm looking for are InGaP, CZAS (and CZT) and amorphous silicon. Any pointers to where I could buy...

13 February 2020 2,938 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

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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 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