Is there any interaction equivalent of Cochran's Q test (like 2x3 design)?

I have data on the effectiveness of the three treatments: T1, T2 and T3 for each patient. Each variable is coded dichotomously - 0 = drug not working; 1 = drug is working. The patient could feel...

30 November 2020 1,146 14 View

Two pair of peaks of quinone/hydroquinone redox probe on GCe?

Hello, I recently stumbled upon a voltammogram of HQ/Q in 0.1M NaCl on glassy carbon electrode. I was surprised to see two pairs of peaks present on the graph. As far as I know it is a two...

29 June 2020 1,833 2 View

Non-equal variances t-test in SPSS - it's Welch or Cochran-Cox?

Can anyone help me answer the question of whether t test for unequal variances is calculated in SPSS according to Welch or Cochran-Cox correction? Test statistics are the same, they differ only...

29 May 2019 7,445 14 View

Is there any reason why one can not reduce dimensions with PCA/Alpha before putting them into SEM model?

Suppose I have three measurable variables (A, B, C on figure below) and one latent (L) in my SEM model. This one latent one is a construct/dimension consisting of 5 questions from some...

07 April 2019 905 6 View

What is precipitated in buffer solution stored in glass bottle?

Does anyone know what is precipitated in carbonate buffer solution stored in typical amber glass bottle (picture is an attachment)? The carbonate buffer in the bottle is Na2CO3/NaHCO3, pH=10.0...

06 February 2019 7,556 3 View

How many animals are required for experiment?

I want to compare 4 different methods of bladder cancer induction and I have to calculate sample size. How many animals I have to used to get appropriate statistical power?

25 November 2018 151 2 View

How to generate average contact maps from molecular dynamics?

Hi, I am looking for a way to generate a contact map between each residue of a protein during MD simulations. I.e. for each pair of residues, count the number of frames during which they form...

05 May 2018 2,023 8 View

How to get rid of a primer smear in pcr (negative control problem)?

Hello everyone My pcr was doing just fine for few months till about 3 weeks ago I started to get smears in all my samples and positive and negative controls as well. I'm preparing my reaction...

21 March 2018 2,405 7 View

How can I cryopreservate Human Hepatic Stellate Cells?

Dear all, Does anyone know or have an experience in freezing (cryopreservation) of the primary Human Hepatic Stellate Cells? How much DMSO is recommended to use? I read that cryopreservation of...

03 March 2018 9,712 2 View

Freezing atoms in gaussian - how to do it?

Hello, I'm working on a structure with about 200 atoms. It is important for me to freeze a significant part of it for the time of optimization so that the arrangement of the given atoms with each...

05 February 2018 649 7 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

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

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01 March 2021 3,905 5 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

What is the optimum time and temperature of blanching and pre-frying potato for frozen fries?

I am helping a local home industry for developing frozen fries from their local farm. I want to know what is the optimum blanching and pre-frying temperature and time for processing. Please also...

23 February 2021 1,616 5 View

Best excel chart to compare algorithms' running time?

Hi I want to compare the running time of robotic path planning algorithms. The grid size is 8X8. I have 100 scenarios of start and goal positions.. Each scenario is run in three obstacles ratio...

22 February 2021 621 1 View

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View