Is there a (strong) dexamethasone x basal testosterone interaction in men?

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How Channel State Information (CSI) could be obtained from matrix generated in Spatial Channel Modeling (SCM)?

Geometry Based Stochastic Channel Modelling or Spatial Channel Modeling (SCM) methods such as: - 3GPP-SCM, SCM-E - Winner (I and II) - QuaDRiGa produce channel coefficients as a matrix H (may on...

04 November 2020 9,480 2 View

Soft agar experiment: I noticed overnight after plating upper layer, agar becomes thinner, almost liquid. Is not normal or not? How to prevent it?

Soft agar experiment: I noticed overnight after plating upper layer, agar becomes thinner, almost liquid. Is not normal or not? Are ther techniques to prevent it? And bottom layer after 21 days...

14 October 2020 4,774 1 View

How to calculate Lexical frequencies and Text Frequencies of phonemes and graphemes of English language?

This is so far the procedure I was trying upon and then I couldn't fix it As per my understanding here some definitions: - lexical frequencies, that is, the frequencies with which correspondences...

27 September 2020 4,742 3 View

What is the best place to look for survey/questionnaire methodology research reviews?

Hi everyone, I want to learn as much as possible about survey methodology for evaluation purposes. I'm particularly interested in research around validity and reliability of: question types...

02 September 2020 413 10 View

What metric should I use to compare two feature vectors of two images?

Hello, I am looking for a way to compare the feature vectors of two images that contain a person in it. The application should be able to output a high similarity score for the same person and a...

10 May 2020 3,137 1 View

Do I need Post-hoc analysis?

If you have to compare a variable among 4 groups (A, B, C and D -progressive disease stages) using a comparison test (student T test) between A and B, B and C, C and D is it necessary to perform a...

30 April 2020 9,742 5 View

Do you think the approach to sustainability and environmental issues will change for human society after this pandemic?

We need to be closer to the nature and don't look for money and other values.

29 March 2020 1,238 4 View

We are looking for a relation between Cartesian octupole and Mie scattering coefficients. Does anyone know the papers having an exact formula?

Dear Colleagues, We are looking for an accurate relation between the magnitude of Cartesian octupole and Mie scattering coefficients. Something very similar to formulas (8) and (9) from...

19 February 2020 3,836 4 View

What is a better way to extract plasmids from actinobacteria?

Hello, Is there a good robust way to isolate plasmids from some Actinobacteria which potentially possess them? Is it a combination of enzymes/sonication or something else?

26 May 2019 4,250 4 View

Why out-of-sample validation is not taught in a course on statistics?

Out-of-sample validation (validation of model performance on an independent set of data) is a must in physical modeling, data mining, etc., but in a traditional statistics course it is not taught...

29 August 2018 5,514 4 View

Why daily dexamethasone given to rats fed high fat/fructose/salt cause very high mortality rate?

rats were given daily dexamethasone in drinking water corresponding to 0.5 mg/kg or 2 mg/kg. These rats are simultaneously fed 25% fat, 3% salt in diet and 10% fructose in drinking water but...

15 February 2021 7,634 2 View

Why does the testosterone dissolved in dmso and methanol turns into a white dispersed precipitate when subjected to serum free media?

1mg of testosterone is dissolved in 20 microlitre of DMSO and Methanol respectively. The interpretation showed a positive result. However, when 1 ml of serum free media is subjected to the...

27 January 2021 8,213 1 View

Is there a typical range in the power spectrum that each person has during a rest measurement? Moreover, are there differences between men and women?

Is there a typical range in the power spectrum that each person has in the individual brain areas (19 electrodes, 10-20 system) and frequency bands (theta, alpha, beta gamma) during a rest...

13 January 2021 5,660 3 View

Is there a formula or standard protocol for steroid hormones treatment in mice or rats?

hi, I'm going to determine the dosage of testosterone in order to inject to rats or mice subcutaneously. I wonder that is there a particular dose or multiple doses for that or not. thanks.

05 January 2021 5,921 2 View

What role do men and women play to combat climate change?

During climate change women and men perform different roles to combat the climatic events

30 December 2020 1,781 3 View

Why are some drugs with very long half-life dosed multiple times a day ( e.g. Dexamethasone Q6H)?

Trying to understand the relationship between t1/2 and dosing regimen (qd, bid, tid, ...). Are dosing frequencies for a drug approved based on t1/2 or other factor like AUC..etc? where can such...

13 December 2020 5,532 5 View

Is there any bias if a survey that uses stratified random sampling , only has1.6% of men?

I am a student and the study I am appraising is to find out the barriers and facilitators of implementing evidence-based practice.

22 November 2020 6,423 1 View

How do we interpret the following gender differentiated data?

Hi, We are analyzing data and have found the following finding. The results show that men and women hold equal responsibilities for many aspects of forest management and decision making in the...

27 October 2020 6,399 4 View

Why the same variable would be a significant predictor and sometimes not?

My question is about logistic regression. Why the same variable would be a significant predictor and sometimes not? For example, I have an outcome (obtained mammogram at least once ) when I...

13 October 2020 3,631 2 View

How do I test for gender differences in Spearman rho correlations?

I want to explore if there is a gender difference in a correlation between two ordinal items. I have calculated spearman rho within gender for the items, but I now need to test if the correlation...

09 October 2020 970 13 View