Can the Dunn's test be used as an appropriate post-hoc for the G-test?

Research Question: Are red grouse (Lagopus lagopus scotica) a statistically significant proportion of raptor (bird of prey) diets? I am planning on using a series of G-tests (determining whether...

23 February 2021 5,827 3 View

Can anyone provide an advice on running a validation study of a commercially available product in collaboration with the manufacturer?

We are planning to run a study validating a commercially available product (i.e. software) and while we initially planned to do it independently of the manufacturer, they heard about our intention...

17 February 2021 2,295 3 View

How do I run a multinomial logistic regression with four independent variables and a moderator in SPSS or Stata?

I have four independent variables that are all scales (in SPSS). My moderator is dummy coded and my dependent variable is multinomial and coded as 1 - 2 - 3. The moderator moderates all four...

16 November 2020 8,293 3 View

Who are the leading academics in the field of employment focussed assistive technology in low to middle income counties?

I am looking for academic research / publications and potentially people to speak to or interview in the field of assistive technology. Specifically assistive technologies that are approporiate...

04 November 2020 3,354 1 View

How to quantify cellular B-actin?

Hello community, I have stained my tissue for actin by Phalloidin staining, but now I would like to quantify actin concentrations in my samples. What would be a good method? Thank you!

03 November 2020 3,160 2 View

How does one determine the limiting Saturation values for inorganic additives in aliphatic polyketone?

I am working on a compound development project which requires the addition of atypically high levels of inorganic stabilizers in an aliphatic polyketone resin. Melt processing evaluations of...

22 September 2020 5,828 1 View

Non-aqueous, non-aggregating, electrically conducting nanoparticles - do such materials exist and who supplies them?

I have been looking for any type of non-aggregating, electrically conducting nanoparticles that are compatible and will remain suspended in non-aqueous solvents e.g. toluene. Traditionally carbon...

16 July 2020 8,768 3 View

When and why to use between estimator regression?

Dear all, I would like to collect some thoughts and opinions on when and why one should/could use the between estimator regression. I have only recently learned about this method and find it to...

13 July 2020 9,124 1 View

What is the effect of colors on children?

I am currently for maths project creating a card game that focusses to improve subitizing for students' age between 6-9 years old. I now want to create the 'best' colors for the game but I am...

30 March 2020 9,084 5 View

SPRI-Bead DNA extraction of Juvenile Zebrafish - Is it eumelanin and how to I get rid of it?

Ahoy, I am performing SPRI-Bead extraction of 29 day old (whole) Zebrafish. The euthanized and frozen fish are digested for 2-5h in 20mg/ml Proteinase-K in TNES buffer. This leaves me; depending...

30 January 2020 1,007 1 View

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

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02 March 2021 3,060 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 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

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 View

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

Can someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View

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28 February 2021 9,936 2 View

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View