Recommendations on CO2 Resistant Rocking Shaker?

A certain protocol we have developed requires the use of a Rocker/Rocking Shaker in which our dishes with cells are maintained in the incubator. The rocking is essential to the protocol but we...

09 February 2021 3,291 1 View

Do you consider it is important to vindicate Spanish as language, in scientific issues and publication of scientific articles?

03 February 2021 3,756 4 View

How to calculate the difference in the electron density of a dimer and its monomers?

Hello, I need to calculate the difference of the electron density of a dimer and the the sum of its monomers. I tried G09 without success, even using nosymm in all calculations. The problem...

15 January 2021 9,537 3 View

How to interpret hierarchical regression when a predictor is no longer significant after new variables are added?

Hello everyone: What does it mean when a variable is significant in one step but then in the next step it's no longer significant? For example, in this article...

29 November 2020 7,354 3 View

What are the environmental variables that influence the Northeastern gray whale population?

I am currently working on my M.Sc. thesis studying how climate change affects the presence of the gray whale in one of its main breeding areas in Mexico. We have considered temperature,...

16 November 2020 8,944 3 View

How to estimate the optimal cutpoint for a binary outcome in python?

Hello everyone, I have a dataset of diabetic patients which has been used to train an xgboost model in several outcomes such as stroke, amputation, and more. Originally we used the continuous...

21 September 2020 4,970 3 View

Does anyone has achieved the installation of gromacs plugin in PyMol, complete in Linux, with its graphic interface?

I am using Ubuntu 20.04 and I have PyMol installed, with a license. But it has been impossible to add the repository ppa:makson96/dynamics. Even downloaded from github, the package with the...

20 September 2020 6,870 1 View

How to perform power analysis for a one-way ANOVA in R when treatments variances are not exactly the same?

Hi! I've been trying to perform a power analysis for a one-way ANOVA in R using the pwr package. The equation that is employed for this is based on Cohen's f and assumes that variances among the...

16 September 2020 6,098 3 View

How do you find the electrons that occupy a particular orbital in VASP?

I think this question has already been presented here on this forum, but I was not very clear. I'm running VASP calculations involving a mixture of transition metal atoms like Fe, Mn and Co in...

07 September 2020 7,228 3 View

Why doesn't my dbRDA show all the environmental variables considered?

I am performing a db-RDA in R using the package Vegan and the function capscale. I have taken into account 24 environmental factors but the program only considerate 7 of this factors. I have 54...

26 August 2020 919 6 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 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

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

How does Scientist/RG community evaluates a case study article and the impact of it on a researcher career?

An article that is published as a case study in the SJR listed journal. How much value is added to a researcher career? How it is evaluated by a scientific researcher/University admission...

02 March 2021 9,661 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

How to regulate SSCP temperature in simple PAGE?

I'd like to perform single-strand conformation polymorphism (SSCP) in my thesis, however I cannot control the temperature of the vertical PAGE since we are using the conventional tanks. Is there a...

02 March 2021 9,157 1 View