What are the evolutionary origins of the vitamin B12 molecule?

More Derek Townshend's questions See All

Is there a demand for illustrators in the microbiology or medical fields?

My experiences in the design profession have given me various graphic skills; 3D Studio MAX, as well as a variety of other computer graphics packages. I am curious to know whether I could...

31 December 2013 6,380 6 View

Do indoor plants affect the built environment microbiome?

This article is very interesting indeed. I am following on from it is the question of whether plants would in any way balance / influence the results.

11 December 2013 481 1 View

Does LTA (from gram positives) do the same as LPS from (from gram negatives)?

LPS (from gram-negatives) upregulates our gene expression for H2S production, does LTA (from gram-positives) also do the same? In burn wounds and septic shock (by Staph.aureus) one finds greatly...

10 November 2013 904 2 View

Can someone advise on a study on the aesthetics and greening of main road intersections?

I am looking for any resources related to this field. It might include things like 1] aesthetic treatments to hard surfaces (soffit, paved traffic islands, bridge retaining walls, etc), 2]...

10 November 2013 4,685 6 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

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 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

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View