What is the most proper, cheap and reliable device(portable) which measure HRV for scientific research? Are Polar watchs or other arm bands reliable?

Hello. I want to measure HRV before activity, during activity and after activity. Each measurement will take 5 minutes. I have limited budget and i m searching for a portable device. And it must...

07 March 2020 4,807 3 View

Why does some nanoparticles appear completely light color at TEM analysis?

I synthesed silver nanoparticle from plant. Acording to TEM image some of particular seem dark some of them light. What could be the reason for this?

20 February 2019 2,536 6 View

How to do Bland Altman Plot in measurement pairs in SPSS or Excel?

Hi all, Although I watched all the videos about Bland Altman plot in SPSS, I could not find any information regarding how to use this statistics in multiple replicates for each method. Hope...

13 September 2018 9,359 14 View

Detecting homologous regions (hrs) in Lymantria dispar nucleo polyhedrovirus ( LdMNPV )

I would like to learn is there any software for detecting Lymantria dispar nucleopolyhedrovirus hrs regions? I am working on a full genome sequence data and I need to search hrs regions in my...

05 July 2017 3,752 2 View

For a mathematician, is it important that: Does a subject in math have any application in other areas?

06 April 2017 7,979 5 View

How can we evaluate mitochondrial oxidative stress?

I want to analyse oxidative status in mitochondria of fish liver tissue.

26 February 2015 3,660 6 View

Is there any relationship between transmembrane domains and 3' UTR regions?

I am using Roche 3'/5' 2nd generation RACE kit to determine 3' and 5' utr regions. I have completed all steps and sequenced my 3' plasmids (pGEM-T Easy vector). The main point: my gene has a...

09 June 2014 2,499 1 View

Fabrication of Photonic Crystals?

Does anyone knows how to fabricate Photonic crystals by using TiO2?

04 February 2014 3,399 5 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

How to compute the internal consistency of a scale with ordinal items?

Hi community, I am trying to determine what is the best way to calculate the internal consistency of a newly developed self-esteem scale. I am working together with two other researchers on the...

28 February 2021 1,369 5 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View