What can explain a low expected heterozygosity rate for T. monococcum wild samples (0.09) ?

I conducted an SDS PAGE electrophoresis on wheat wild varieties to separate their glutenins and measure the genetic diversity of my sample. I only ran one electrophoresis. Can a genetic drift...

14 February 2021 3,971 1 View

Is there any evidence that using ball milling in intervals, rather than one long run, improves the mixing process?

I am trying to synthesize nanoparticles by mixing the precursors by ball milling. I would like to know if mixing them for one hour straight is less or more efficient than mixing them in intervals...

10 November 2020 8,527 9 View

No title

30 October 2020 961 3 View

Can I measure serum and not tissue succinate dehydrogenase?

Dear Colleagues I am interested in evaluating the concentration of SERUM succinate dehydrogenase in a certain type of cancer. I found an ELISA kit for it however, I can barely find any papers...

16 October 2020 547 1 View

How to monitor and mapping crisis event tweets based on my tweets dataset?

how to monitor and mapping crisis event tweets based on my tweets dataset. I need tools for that. I was classified as tweets to damaged and not. then I have extracted locations from textual...

18 August 2020 4,068 2 View

Why Matrix Inverse on Python Gives Different Solution from Excel?

When I compute matrix inverse on Python, it gives me slightly different results from Excel (difference appears after the third or forth number, however it highly affects my work). I know that for...

01 August 2018 2,466 9 View

How to find concentration of DNA after carrying out A260?

Carried out a X5 & X10 dilution and when using the equation: Concentration (ug/ml) = A260 x dilution factor x 50 ug/ml, I did not get the same concentration for both. should I have had the...

17 April 2018 5,591 3 View

How can I fluorescently label graphene oxide to be able to see it under confocal microscope?

I have tried to fluorescently label graphene oxide sheets once with Fluorescein sodium salt and another time with Fluorescein isothiocyanate (FITC) by mixing 500 uM of Fluorescein (any of them)...

24 September 2017 1,449 3 View

Is anyone interested in collaborating on this project?

09 July 2015 1,333 15 View

Any suggestions for the most suitable method for DNA isolation from woody plants?

Hi everyone, I am in dire need of a method for DNA isolation from herbarium specimens (up to 5 years old or so) of woody plants (mainly Lauraceae, Moraceae and such). I have used some classical...

20 June 2015 9,858 11 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 is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 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

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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 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