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

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View