Plant extracts versus a fungus, why lower concentrations are sometimes more effective than the higher concentrations?

We conducted a laboratory experiment (two trials) on the effect of plant extract against rice blast fungus. The study involved 0, 25, 50, 75, and 100% concentrations of ethanolic extracts against...

13 October 2020 7,214 4 View

How to choose the right polymer that can disperse my nanoparticle properly?

I have copper nanoclusters, can you provide me guidelines on how to find an appropriate polymer that can disperse it properly?

13 May 2020 3,249 9 View

Why my restiction enzyme treated chromasomal DNA has Plasmid results?

I conducted a practical whereby previously isolated plasmid and chromasomal DNAs that had been electrophoriesd in sepeerate gells where then both treated with the same restiction enzyme (EcoR1)...

11 September 2019 8,730 3 View

How to convert the .pcap files of Cooja simulator into .csv format?

How to convert the .pcap files of Cooja simulator into .csv format?

03 April 2019 8,018 3 View

Quantitative methods for perception analysis - is this possible?

Hi there, I am looking at the perceptions Key Stage 2 learners (Years 5 and 6) have towards iPads in the classroom. Is it possible to look at this question from purely a quantitative point of...

09 March 2019 9,892 1 View

Can anyone help me convert the concentration of human anti-hepatitis B antibody (Hepabig) from IU/ml to mg/ml?

I am using Hepabig brand which only states 100 IU/0.5 ml concentration of antibody but no mg/ml immunoglobulin concentration estimate.

05 March 2019 5,808 15 View

Increasing solubility of 20-50 nm diameter Carboxylate modified Polystyrene Nanoparticles?

We want to inject these into a living insect. They come in a solution that includes a surfactant that will harm/kill the insect after injection and they appear to aggregate heavily when the...

12 February 2019 9,892 2 View

Why is mass spectrometry not inherently quantitative?

I am going to be working with a proteomics core to look at phosphorylation of signaling intermediates in response to a hormone of interest. I want to have a better understanding of mass...

02 September 2018 1,692 16 View

I'm characterizing the lipids produced by E. Coli under different temperature conditions could you suggest a TLC or GC protocol w/ standardization?

I am working on the characterization of the lipids produced by E.coli (ATCC 25922) under different temperature conditions for their eventual use in a leakage assay. Could anyone suggest a...

06 February 2018 2,671 4 View

Foaming is typically considered a problem in bioreactors. Does anyone purposefully grow microbes in a pure foam reaction?

Foaming is typically considered a problem in bioreactors. Does anyone purposefully grow microbes in a pure foam reaction? Does anyone induce foam formation in a bioreactor as a way of speeding...

03 December 2017 1,219 1 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

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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View