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

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

How to calculate stress at the cross section of spherical particles within a matrix?

Hi all, I am currently working on some background calculations before I start a new project related to metal matrix particulate composites. I am trying to find a way to calculate the stress at...

19 February 2021 8,503 3 View

Can anyone recommend which is the best free questionnaire software please?

Hello, I am looking to send out links to an online survey. My previous research project used a paid for survey software. I am now looking for something that's free but straight forward to...

19 February 2021 5,641 3 View