How to determine fluorescence quantum yield for photoswitchable/photochromic compounds?

How to determine FQY for photoswitchable compounds? I found most related publications didnt mention, or just said that they used "Absolute quantum yield spectrometer." I think such technique...

31 October 2020 8,002 5 View

What is the best format to export from igraph to gephi?

I have been using R, igraph, and gephi to create semantic networks. I generally export gml file from R through igraph, then import the gml file into gephi for further adjustment. However, I am now...

06 September 2020 3,906 4 View

How to find a transfer function from frequency response data?

I have data from several different frequency responses of the same open-loop system. This data has been put together to plot a Bode plot and Nyquist plot using MATLAB. I now need to find a...

18 April 2020 7,984 4 View

Interactive app or software for creating and testing simple models?

Do you know of any interactive apps that allow users to setup simple 2D simulations, such as: - repulsive gas, - liquids, - brownian motion, - polymer solutions, - etc. ?

01 January 2018 5,054 2 View

Is Comprehensive Meta-Analysis Software appropriate for conducting a dose-response meta-regression of cohort studies?

Traditional meta-regression analyses provide the pooling estimates assume independence of the estimates, an assumption that may be not true because the estimates for separate exposure levels...

09 October 2017 4,470 4 View

How do I determine if an intramolecular proton transfer is likely to happen in Gaussian simulation?

03 October 2017 2,448 7 View

Which Cp ring of carboxylic ferrocene can undergo eletrophilic addition?

I use carboxylic ferrocene (Fc-COOH) and react with acetic anhydride in H3PO4. Hopefully I can get acetylation on the Cp ring without COOH. But from H NMR, it seems that I got 100% of acetylation...

14 March 2016 7,918 3 View

Can I use different cells to set up compensation controls for flow cytometer?

I was wondering if I would be able to use BV2 cell line to set up the compensation controls for apoptosis assay on flow cytometer. I am staining the cells with annexin and PI. I would like to...

15 December 2015 8,321 4 View

How would I use phagocytosis assay using e.coli Bioparticles on flow cytometer?

15 December 2015 9,530 7 View

What is the optimal culture media for BV2 cells?

02 December 2015 5,917 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View