Whom should be given the priority for vaccination for Covid-19?

Mass vaccination for Covid-19 is going to start very soon. Whom do you think should be given priority for vaccination? Senior citizens, frontline workers or students? Why?

24 December 2020 8,267 6 View

Hello all, I have a question about MD Simulation. can we do the MD Simulation of only ligand means with out protein by GROMACS?

Actually I want to check the stability of my ligand.

13 May 2018 4,695 4 View

Does the electromagnetic properties of the topological insulator need new Maxwell equations?

08 May 2017 5,306 4 View

Is there a quantum model for the refractive index?

The refractive index is obtained owing to classical electrodynamics. Is there any way to know how much momentum the electron gains when light incident on a dielectric material? How does the...

05 April 2017 2,278 3 View

Does an electric field applied on a moving electron create a torque?

A moving electron has both electric and magnetic fields that are perpendicular to its velocity direction. Does the electric field create a torque on the electron? If so what is that torque? Does...

02 April 2017 7,156 7 View

How big the electric conductivity of white dwarf and neutron stars?

It is found recently that the core of neutron star is in a state of superfluidity (superconductivity). How much the electric conductivity of white dwarf and neutron stars as compared to normal...

11 March 2017 130 2 View

Is it possible to construct a unified model of matter and wave where matter waves is a form of light traveling in a electromagnetic-like medium?

08 March 2017 2,462 12 View

Do electric and magnetic fields created by a spinning charge depend on its spin?

In Dirac theory the electron has a spin degree of freedom. The question is: Do electric and magnetic fields created by an electron in a given frame of reference depend on the electron spin? If...

28 February 2017 860 7 View

How many planets a given star can accommodate?

The atom is neutral and the number of electrons it accommodates depends on the total charge of the nucleus. Is there any gravitational law that gives the total number of planets that a given star...

20 October 2016 7,346 3 View

Is there any mathematical expression for the optical conductivity containing the refractive index and the frequency ?

The optical conductivity measures the response of the material to light. It thus depend on the light frequency. It also depends on the absorption coefficient that depends on the refractive index...

21 December 2015 9,847 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View

Statistics: include groups of respondents made by one person for analysis?

Good morning, I could not find literature about this so I am asking. I am organizing data for a questionnaire (N=100) that foresees some personal questions like level of education. For the aim...

25 February 2021 2,090 4 View