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Workshop “Actor Databases and Data-driven Scientific Applications”

O CEPID CCES, através de seus pesquisadores do Instituto de Computação da UNICAMP, e em conjunto com pesquisadores da Universidade de Copenhague, Dinamarca, promove um Workshop com ênfase em aplicações científicas nas áreas de Agricultura e Saúde, com a presença de palestrantes do Brasil e da Dinamarca e reunindo especialistas em tópicos avançados em gestão de dad

On the mechanical properties of novamene: A fully atomistic molecular dynamics and DFT investigation

We have investigated through fully atomistic reactive molecular dynamics and density functional theory simulations, the mechanical properties and fracture dynamics of single-ringed novamene (1R-novamene), a new 3D carbon allotrope structure recently proposed. Our results showed that 1R-novamene is an anisotropic structure with relation to tensile deformation. Although 1R-novamente shares some mechanical features with other carbon allotropes, it also exhibits distinct ones, such as, extensive structural reconstructions.

High‐Performance Collision Cross Section - HPCCS

Ion Mobility Mass Spectrometry is becoming an increasingly helpful tool for characterizing the structure and conformational properties of biomacromolecules, but obtaining the desired structural information is challenging and relies heavily on theoretical calculations of the molecule's collision cross section (CCS).

Enhancing protein fold determination by exploring the complementary information of chemical cross-linking and coevolutionary signals

In this work, we present a methodology to combine residue interaction data obtained from coevolutionary information and cross-linking/mass spectrometry distance constraints in order to identify functional states of proteins.

Parametric Models to Compute Tryptophan Fluorescence Wavelengths from Classical Protein Simulations

Fluorescence spectroscopy is an important method to study protein conformational dynamics and solvation structures. Tryptophan (Trp) residues are the most important and practical intrinsic probes for protein fluorescence due to the variability of their fluorescence wavelengths: Trp residues emit in wavelengths ranging from 308 to 360 nm depending on the local molecular environment. Fluorescence involves electronic transitions, thus its computational modeling is a challenging task.

On hardening silver nanocubes by high-velocity impacts: a fully atomistic molecular dynamics investigation

Gradient nanograins (GNG) creation in metals has been a promising approach to obtain ultra-strong materials. Recently, R. Thevamaran et al. (Science 354:312 in 2016) proposed a single-step method based on high-velocity impacts of silver nanocubes (SNC) to produce almost perfect GNG. However, after certain time, these grains spontaneously coalesce, which compromises the induced hardening and other mechanical properties.

Novo portal reunirá bancos de dados genômicos da América Latina

A ideia é que esse portal contenha links para os diferentes bancos de dados de variantes genéticas estabelecidos na região. Caso os dados ainda estejam sendo gerados e não estejam disponíveis publicamente, podemos colocar ao menos os links para os projetos para que todos saibam o que está acontecendo em termos de pesquisa genômica na América Latina”, disse Iscia Lopes-Cendes, professora da Faculdade de Ciências Médicas da Universidade Estadual de Campinas (FCM-Unicamp) e membro do Comitê Diretivo da BIPMed.

Molecular mechanism of activation of Burkholderia cepacia Lipase at aqueous-organic interfaces

Lipases are water-soluble enzymes which catalyze the hydrolysis of lipids. Since lipids are mostly hydrophobic, lipase activity occur preferentially at interfaces of aqueous and organic phases. In this work, we study the molecular mechanisms by which the Burkholderia cepacia lipase (BCL) is activated at interfaces of water with octane and with methyl caprylate (CAME). We show that BCL assumes very rapidly a preferential orientation at the interfaces, in which the active site is exposed to the organic phase.

Molecular interpretation of preferential interactions in protein solvation: a solvent-shell perspective by means of minimum-distance distribution functions

Preferential solvation is a fundamental parameter for the interpretation of solubility and solute structural stability. The molecular basis for solute-solvent interactions can be obtained through distribution functions, and the thermodynamic connection to experimental data depends on the computation of distribution integrals, specifically Kirkwood-Buff integrals for the determination of preferential interactions. Standard radial distribution functions, however, are not convenient for the study of the solvation of complex, non-spherical solutes, as proteins.

Best Paper Award at SBAC-PAD 2017

The article "Data Coherence Analysis and Optimization for Heterogeneous Computing" by Rafael Sousa, Fernando Pereira, Marcio Pereira and Guido Araujo received the Best Paper Award at the 2017 edition of the International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD).

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