Vincent Blay

10 Questions 8 Answers 0 Followers

Questions related from Vincent Blay

Why do molecular orbitals need to be orthogonal in Hartree-Fock?

When deriving the Hartee-Fock method, we minimize the electronic energy with respect to all molecular orbitals with the contraint of orthonormality of the molecular orbitals by using the method of...

10 October 2019 3,865 1 View

Why are more males born than females?

The currently accepted value of the proportion of female births in large European-race populations is 0.485 (Bayesian Data Analysis, 3rd edition, Gelman et al.). Do we know why the probability of...

03 March 2019 7,259 19 View

How can I image polyribosomes during translation?

The EM image of E.coli mRNA being transcribed by polysomes by Miller et al. in 1970 became iconic Visualization of Bacterial Genes in Action The sample preparation, however, seems particularly...

12 December 2018 3,547 2 View

How can I reduce the stiffness of a system of equations?

I am dealing with a large system of nonlinear equations and I am having trouble computing its zeros numerically because it is very stiff. Can you suggest approaches to deal with this? Perhaps some...

10 October 2018 5,952 6 View

What are the disadvantages and limitations of drug pump devices?

Drug pumps seem an interesting option for managing chronic pain. I have seen similar devices used for insulin delivery. I wanted to know what are the disadvantages, complications, and limitations...

09 September 2018 4,101 3 View

Science and Religion

Religions are an important part of the cultural richness of the society and they should be respected. However, those working in science may face questions about it, as the tenets of some religions...

01 January 1970 7,501 38 View

How to extract the trajectory of a subset of atoms in Gromacs?

Hello, Is there an easy way to generate a new Gromacs trajectory file md_subset.xtc from an existing trajectory file md_allatoms.xtc where I remove everything (including solvent) except a subset...

01 January 1970 2,182 2 View

Solving protein structures: X-ray vs NMR

Given the different quality metrics for protein models based on XRD and NMR data, I want to know your opinon. In particular, how good is the agreement between NMR and XRD-derived structures? In...

01 January 1970 3,787 10 View

What is your motivation to do research?

I would love to hear how your scientific motivation and goals have evolved during your career. What motivates you to do science now, and do you feel it has changed over the years? Do you feel...

01 January 1970 8,744 15 View

What would you change in your lab to make it a better place?

I believe that safety and comfort in the lab are fundamental for scientific research. Thus, I would love to hear, based on your experience, what would you have or change in your lab to make it a...

01 January 1970 8,891 5 View