Autocorellation function - how is compute existance of hbond in GROMACS?

GROMACS version: 2018.4 GROMACS modification: No I have a question. I want to know one thing. How is computing autocorrelation function, because I am not sure about something. I try to calculate...

07 February 2021 9,525 1 View

What are the limits of determining metastability in the brain?

What are temporal limits in determining brain metastability? In other words, how long does the minimum length of the scan segment using fMRI have to be for the result to be of any value? I'm...

07 February 2021 2,380 2 View

Ansys Fluent- Velocity Inlet/ Pressure Outlet/ Symmetry/ Wall- how are the BC formulated from the viewpoint of mathematics?

Hello, I went through the Fluent Theory Guide and other Ansys learning resources, however I couldn't find the answers to the following issues. Let's discuss the problem on the example of a...

01 January 2021 1,686 3 View

Does Fluent/CFX use Reynolds-averaging when the viscous model is set to Laminar? What about icoFoam?

Hello, this question is not as trivial as it may seem. The Laminar model in Fluent/CFX is pretty stable even when the physics are not laminar at all (internal flow, Re=20k, bifurcations/pipe...

23 December 2020 4,848 3 View

How to measure volume per lipid in Gromacs?

I have a question. I want to measure the volume per lipid. I built a membrane with water and run the simulation for 300 ns. To measure the volume per lipid I used a .gro file from the simulation...

22 October 2020 2,282 3 View

Can I use repeated measures ANOVA for within-litter design developmental experiments?

I am planning a developmental experiment where I will treat neonatal mice and then I will perform test after they reach adulthood. I plan to use within-litter design as follows: I will use 12...

07 October 2020 8,539 13 View

How to compute the order parameter for the last carbon in lipid tail in membrane GROMACS?

01 August 2020 5,756 2 View

SAFT90 soccer match simulation protocol - how can i find audio record?

I am interested in simulating a soccer match using the SAFT90 protocol. While reading the papers that have used it, I understood that an audio track is required. Can anyone address me to where I...

20 March 2020 759 2 View

How can I learn parametrization by myself in molecular modelling?

Is it possible to learn parametrization by myself? Do you know some good books, videos about that? I found that https://www.ks.uiuc.edu/Training/Tutorials/science/ffTK/fftk-tutorial.pdf but I...

01 March 2020 8,688 4 View

How to apply DAPC (adegenet) on Geometry morphometry data?

Do you have some suggestions about how to apply DAPC (adegenet R package) analysis on the Geometry Morphometry dataset? The dataset contains 12 morphometric points characterized by XY...

09 February 2020 1,690 2 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

How can I improve the concentration of banana fruits extracted RNA?

Currently, I'm working with banana fruits. I've tried to do RNA extractions with different methods, and I've gotten total RNA without contamination, but I couldn't get a high concentration of...

22 February 2021 6,126 2 View

Does calculating the interaction index between a drug and a food matrix make sense?

Dear all, I'm conducting the revisions of some of my manuscript, with is the impact of the combination of Aspirin and a fruit juice in colorectal cancer cells. Two of the reviewers have asked to...

16 February 2021 3,141 3 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Why is there cloudy white solution in flavonoid test tube?

I do flavonoid test for biscuit incorporated with muntingia fruit powder. Sample extracted with metanol (1:10 ,w/v), macerated 24h, sentrifuged and filtered. Supernatan used for analysis. I have...

08 February 2021 6,779 4 View

Does the UV radiation affect on fruits ?

I want to examine a kind of fruit's extract's antimicrobial effects. At first I want to put it under the UV radiation to prevent the mold or any kind of fungi's and bacteria's growth. The...

24 January 2021 8,350 20 View