How to calculate the problem using two way ANOVA by hand?

I am new in learning ANOVA and I just learned one-way ANOVA. In learning two way ANOVA with online tutorials, most of the problem solving questions are separated in group dimension and there is no...

18 May 2019 6,027 2 View

Determining yield strength using offset requires extensometer?

I would like to know if extensometer is necessary to determine yield strength of nickel 718 alloy? Or using cross head movement to estimate the sample strain is sufficient? I'm using 0.2% offset.

13 January 2019 7,042 7 View

What is the reason for the wide price range of Carbon Nanotubes? How to assess the quality of CNTs?

Suppliers of carbon nanotubes (SWCNT, DWCNT, MWCNT) provide very different quotes for their product which, at an industrial level, should be related with their quality: - How to assess the quality...

05 December 2018 5,514 3 View

Does VFAs depletion possible when alkalinity increases?

Hello my fellow researchers I am wondering if there is VFAs depletion could possible when the substrate is adjusted pH? what i believe is, in term of pH, it ts highly likely - as increase in...

24 September 2018 7,227 3 View

Method to determine qualitative bacterial growth in anaerobic digestion?

Hello there, During anaerobic digestion processes, while all intermediary products could be analysed and determined by dedicated method, is there any method to determine quatitative growth...

06 June 2018 1,210 5 View

Influence of mounted sample height on SEM images?

I have several samples that have been mounted however the sample height differs, which means the working distance will differ as well. May I know how this will influence the the image captured in...

25 March 2018 7,831 4 View

Can you help me with latent class or Latent profile analysis learning materials?

Hi, I want to learn more about latent class/ latent profile analysis as part of a research project. I wish you could point me out to materials/courses based on R or other free software. Thanks.

24 September 2017 8,355 6 View

How to assess motor skills performance?

Estimated community, I am planning to do a behavioural experiment recording fNIRS and muscular activity during (bi)manual motor tasks. These tasks are to be planned in three degrees of complexity,...

20 September 2017 6,387 4 View

The permittivity of Ag is characterized by the Drude model in Comsol Multiphysics

11 August 2017 2,606 2 View

How-to Plot Transmission Spectra vs Wavelength in Comsol

How-to Plot Transmission Spectra vs Wavelength in the Comsol Multiphysics Software?

08 June 2017 2,463 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

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03 March 2021 5,360 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Does anyone know an alternative product for cardiac Troponin T antibody for Immunofluorescence (Thermo # MA512960)?

We have been using Thermo Fisher anti-cardiac Troponin T antibody for immunofluorescence staining in FFPE mouse heart sections but it was recently discontinued. The literature shows it to be the...

01 March 2021 4,937 1 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 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

Does PHA-P stimulate the proliferation of lymphocytes from mice?

Hello, I will start performing MLR using lymphocytes from mice's spleen and I would like to know the better way for the stimulation. If is using PHA-P or CD3/CD28? I would like to know as well if...

23 February 2021 5,476 4 View

Statistical Tests for Quantitative Study?

Hello Everyone, I have one population, sample size 200. and needed to find the correlation between Variable A and B. Also, which T-test should I choose for hypothesis testing Please advise...

21 February 2021 7,591 4 View

Looking for advices and tips to improve the staining and the gating strategy in human blood?

Hi, I am staining a human blood with CD19, CD3,CD14 and CD16. My gating strategy in FlowJo goes like this: - First, I gate a general population SSC-A VS FSC-A => Then gate for single cells, =>...

21 February 2021 5,724 4 View

How T cells recognise non-peptide antigens?

This might sound very basic question, but please share with me an explanation of how the T cell is activated when the antigen is not a peptide? What happens? And what are the molecules involved in...

21 February 2021 564 3 View