How do I dissolve methanolic plant extract completely without affecting results?

I work on plant extract for seed germination assay. However, I face some issues on dissolving my plant extract. Initially, I try to use distilled water to dissolve it but my plant extract is not...

18 December 2018 4,479 2 View

How to correcly compare (values derived from) dose-response curves?

Hi all I am having some troubles with the statistics in comparing dose-response curves. Hope you can help me out, for I am quite the statistics-noob. I have plotted the toxicity of a drug on a...

27 June 2017 9,781 3 View

What is the possible reasons for getting this kind of melt curve in NTC (no template control)?

I ran GAPDH NTC using SYBR Green and I got this fuzzy melt curve which I am not sure what happened. My master mix (MM) reaction for NTC is 15 microlit MM+ 5 microlit H20. Will the amount of water...

11 July 2016 7,517 3 View

How do we calculate CV (in a sports science study to determine reliability) from a sample size of 50 subjects and each subject performed 3 trials?

Attached is the sample data

13 January 2016 4,751 3 View

Is FFPE DNA unstable for conventional PCR?

I am trying to amplify target sequence using FFPE DNA. Initially, I managed to get the target band I want although it is weak. However, when I try to repeat the test using same formula, no band...

01 January 2015 4,663 8 View

How can I prepare PVA gel electrolyte containing potassium sulphate?

PVA forms precipitate in potassium sulphate solution. Is there a way to prepare a homogenous gel solution? Thanks.

07 August 2014 170 7 View

Could anyone kindly send me the following article? Thanks in advance.

06 July 2014 7,044 1 View

For those who had attended the following conferences, could you kindly send me the full schedule for the poster presentation? Thanks in advance.

The schedule should include the name of the poster, title of the poster, and date of the poster presentation. Gordon Research Conferences: 1) Nanostructures in Information Technology, Energy...

06 July 2014 8,726 0 View

Can source-measure units (SMU) be used as stand-alone constant voltage or constant currents sources and as stand alone voltmeters or ammeters?

In I-V characterization tests, different SMU configurations can be used. Could anyone explain the difference between "Ohmmeter configuration" and "Power Supply Configuration"? In the "Power...

06 July 2014 8,600 2 View

What's the ideal resolution (dpi) of 3D chemical structure images for a 6" x 12" print?

I drew the chemical structure using ChemBio3D and converted the images to png format (600 dpi). Then, the images were enlarged to 6" x 12". Thanks in advance.

27 June 2014 8,468 3 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

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 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

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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View