Bioinformatics Group

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Bioinformatics Group The Bioinformatics Group of the International Scientific-Educational Center Aram Artashes Shahinyan. Development of specialized software packages.

The Bioinformatics Group of the International Scientific and Educational Center of NAS RA (National Academy of Sciences of the Republic of Armenia) was founded in 2000 by the Full-Member of NAS RA, Prof. Aram Artashes Shahinyan and is considered as one of the leading research centers of Armenia in Computer Physics, Chemistry and Biology. The team consists of seven researchers, including one Doctor of Sciences, five Candidates of Sciences. Since 2000 up to the present 5 PhD,15 Diploma and Master theses have been prepared within the framework of the Group. The scientific supervision of the Bioinformatics Group is carried out by the Full-Member of National Academy of Sciences of the Republic of Armenia, Prof. The major fields of the scientific activities of the Group:

Modeling and Molecular Dynamics (MD) study of biological membranes. Modeling and MD study of complex systems, including surfactant and polymer solutions.

Our paper at Colloid and Polymer Science!
10/12/2023

Our paper at Colloid and Polymer Science!

In this work, we used long (for a total of 2.5 µs) “all-atom” molecular dynamics (MD) simulations to investigate the adsorption behaviors of polyethylenimine (PEI) linear chains in Bis(2-ethylhexyl) sulfosuccinate sodium salt (or Aerosol-OT, AOT) reverse micelle (RM) in hexane with a water/AOT ...

Our new paper at Journal of Molecular Modeling.
15/09/2023

Our new paper at Journal of Molecular Modeling.

Context The adsorption of 1-vinyl-1,2,4-triazole monomers on Au(111) surface was investigated via molecular dynamics method. Our results indicate that the surface coverage varied depending on the concentration of the monomers. Specifically, as the concentration of the monomers increased, the surface...

Our new joint paper published in "Journal of Molecular Liquids".
06/04/2022

Our new joint paper published in "Journal of Molecular Liquids".

The structural properties of micelles formed by the non-ionic surfactant, Triton X-114 (TX-114), were investigated using all-atom molecular dynamics (…

The Bioinformatics group of International Scientific-Educational Center of NAS RA, in collaboration with Russian-Armenia...
02/03/2022

The Bioinformatics group of International Scientific-Educational Center of NAS RA, in collaboration with Russian-Armenian University - RAU (Dr. Yevgeni Mamasakhlisov), was published new joint paper in "Colloids and Surfaces A: Physicochemical and Engineering Aspects" Journal. We would like to thank the Institute for Informatics and Automation Problems of NAS RA (Ինֆորմատիկայի և ավտոմատացման պրոբլեմների ինստիտուտ / IIAP) team for providing us with huge computing resources to perform this large-scale computational project.

A long 5000ns run was conducted on sodium dioctyl sulfosuccinate (AOT)/water lamellar system to understand the unusual behavior. During the simulation…

Our new joint paper published in "Colloids and Surfaces A: Physicochemical and Engineering Aspects" Journal. We would al...
03/09/2021

Our new joint paper published in "Colloids and Surfaces A: Physicochemical and Engineering Aspects" Journal. We would also like to thank the Institute for Informatics and Automation Problems of NAS RA (Ինֆորմատիկայի և ավտոմատացման պրոբլեմների ինստիտուտ / IIAP) staff for providing us with the computational resources.

The adsorption of protonated L-cysteine onto Au(111) surface was studied via molecular dynamics method. The detailed examination of trajectories revea…

Our new paper at Journal of Molecular Modeling.
25/08/2021

Our new paper at Journal of Molecular Modeling.

Microsecond timescale explicit-solvent atomistic simulations were carried out to investigate how anionic surfactants modulate protein structure and dynamics. We found that lysozyme undergoes near-complete denaturation at the high concentration (> 0.1 M) of sodium pentadecyl sulfonate (SPDS), while...

Our new joint paper at Journal of Polymer Research.
13/01/2021

Our new joint paper at Journal of Polymer Research.

Nanocomposites and silver nanocomposite coatings based on a copolymer of 1-vinyl-1,2,4-triazole and acrylic acid were synthesized in an aqueous and aqueous-ethanol medium on pure iron and steel electrodes by the electrochemical method. The composition and structure of nanocomposites is confirmed by....

Our new preprint at biorxiv.orghttps://www.biorxiv.org/content/10.1101/2020.12.11.420968v1
15/12/2020

Our new preprint at biorxiv.org
https://www.biorxiv.org/content/10.1101/2020.12.11.420968v1

Determining an optimal protein configuration for the employment of protein binding analysis as completed by Temperature based Replica Exchange Molecular Dynamics (T-REMD) is an important process in the accurate depiction of a protein’s behavior in different solvent environments, especially when de...

Our new article at RSC Advances (Royal Society of Chemistry) Journal.
26/02/2020

Our new article at RSC Advances (Royal Society of Chemistry) Journal.

We show the formation of metallic spikes on the surface of gold nanotriangles (AuNTs) by using the same reduction process which has been used for the synthesis of gold nanostars. We confirm that silver nitrate operates as a shape-directing agent in combination with ascorbic acid as the reducing agen...

Our new paper at PEDS (Oxford Academic (Oxford University Press) Journal. We would like to thank the Institute for Infor...
09/12/2019

Our new paper at PEDS (Oxford Academic (Oxford University Press) Journal. We would like to thank the Institute for Informatics and Automation Problems of NAS RA ( Ինֆորմատիկայի և ավտոմատացման պրոբլեմների ինստիտուտ / IIAP team for providing us with the computing resources to perform this large-scale computational project.

Abstract. Anionic surfactants denature proteins at low millimolar concentrations, yet little is known about the underlying molecular mechanisms. Here, we under

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