Can I combine data from two separate fluorometeic experiments?

I performed a fluorometric experiment with two different cell lines. I had four conditions per experiment, and four "sub-conditions" per condition, wherein I add three different chemicals (the...

08 November 2020 5,113 3 View

Is it possible to calculate Absorption co-efficient or Absorbance of a dye theoretically?

I am working on a Luminescent Solar Concentrators (LSC) using dyes such as Coumarin 1, Coumarin 153, and Perylene Green Ph-probe 720-5.5. I need to calculate the Mean-free-path (MFP) for the...

18 August 2020 9,804 3 View

Is ACE inhibition linked to COVID-19?

There is increasing chatter that proteins in the ACE2 receptor binding domain are related to COVID-19 entering humans cells and subsequently infecting the host. Is there any evidence of ACE...

19 March 2020 6,635 8 View

In Phospharic Acid plant , Calendria is being used is generally of Graphite tube- shell & tube heat exchanger. Anyone using experience SS316 tubes?

Presently Majority of PA plants are using Graphite tubes in their system oh concentration for heat-exchange. Reliability is little less. We want to know that is ANY PA producing plants is having...

13 March 2020 4,877 3 View

How to model blind bolts in ABAQUS?

I am trying to simulate a beam-column connection using blind bolts. but I am not getting an idea to model blind bolts in Abaqus. please give me some idea of modelling. thanks in advance

05 February 2020 8,916 3 View

What are the possible ways to increase the internodal distance of in vitro cultures?

I am working on Papaya micropropagation where I am getting plenty of shoots but they are not increasing in height. I have tried diffuse light, GA3 but did not see improvement. Please suggest a...

03 June 2019 812 23 View

Reduction in fasting Insulin levels and associated CVD/T2D risk?

Does anyone have papers relating fasting insulin levels and associated CVD risks?

03 November 2018 4,281 3 View

What is the relationship between Stroke Volume and Diastolic BP?

Does stroke volume and diastolic BP have a positive linear correlation? Given greater pre-load and thus end-diastolic volume is it expected that diastolic BP would be reduced?

14 December 2017 9,316 4 View

Is RM-ANOVA robust enough with a non-normal dataset?

Does anyone have papers saying that repeated-measures ANOVA has sufficient robustness when analysing a non-normal dataset?

30 November 2017 7,862 1 View

How to account for baseline in repeated measures design?

I have a repeated-measures crossover study design with 3 treatment conditions, all measured across 7 time points. I would like to control for baseline for each treatment. As I understand, a...

30 October 2017 5,771 10 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How to determine a priori sample size for t-test with unequal means?

I need to conduct a a priori sample size determinations for t-test with unequal means, but I don't know the sizes of the groups nor the ratio of both groups... Can I do a sample size determination...

24 February 2021 8,289 3 View

What are alternatives to factor analysis for a small sample?

My sample size is too small to conduct a factor analysis. I created my own psychometric scale for measuring Effectiveness of Support, which contains 38 items (4 sub-scales) Im really struggling...

23 February 2021 9,287 12 View