Hi, I would like to test different disinfectants and its effects on biofilms in microplates, which paper has the best protocols!?

I need to do it only in microplates and read the OD value for the results. I cannot use any other assays except microplate. Please help me with this

07 December 2020 5,698 3 View

What is the acceptable margin error?

The calculated sample size for my study is 324 with 5% margin error. However, only 230 respondents responded the questionnaire completely. In this case, what is the margin error for this actual...

07 July 2020 524 7 View

What is another alternative to Polyvar 2 Microscope with hot plates and polarizer to check for solubility of drug in lipids?

What is another alternative to Polyvar 2 Microscope with hot plates and polarizer to check for solubility of drug in lipids? To also obtain maximum solubility reading?

02 February 2020 7,999 2 View

What is another alternative to Turbisan Lab Expert to check for nano lipid particles stability?

What is another alternative to Turbisan Lab Expert to check for nano lipid carrier's stability?

02 February 2020 9,150 2 View

XPS spectrum of CuO ?

Why the XPS spectrum of CuO doped in WO3 thin film samples show BE peaks of Cu(0) and/or Cu(I) state of copper and also Cu(II) state of copper. What is the reaction mechanism? Here the CuO doped...

26 July 2019 7,634 8 View

Why TDDFT calculation does not match with the experimental UV-Vis spectrum?

I have calculated the structure of a metal(Ag) complex for which the crystal structure data is available with us. The UV-vis spectrum of the complex shows a very strong absorption at ~250 nm and a...

08 October 2018 221 3 View

What is the difference between Factorial ANOVA and Multiple Regression?

I used same variables (3 IVs and 1 DV) to run factorial ANOVA and multiple regression. I expect the similar findings on the linkage between IVs and DV. However, the findings seem not linking each...

30 August 2018 129 13 View

Doubt on microbiological testing ?

I am conducting microbiological testing on QC samples recently. I did a test to get Total bacterial count (TBC) on a sample. And I used pour plate method. I am encountering some errors recently....

15 August 2018 6,673 9 View

Why Factorial ANOVA table called "Test of between Subject Effects" shows no value (-) in F ratio column for interaction between 3 IVs?

I have run Factorial ANOVA to identify main effect and interaction effect between 3 IVs and 1 DV. The output table called "Test of between Subject Effects" shows no value (-) in F ratio column for...

11 August 2018 7,900 3 View

How can I prepare pure NiO oxide from Ni2O3 black nickle oxide??

Is there any simple heat treatment steps? or should I follow any chemical methods?

05 December 2017 2,453 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

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

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

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