'Molecular interaction' presentation slideshows

Instructor: Dr. Marinella Sandros

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Bioinformatics tools to study protein -protein and protein-ligand interactions

Course on Protein Networks and Systems Biology (Bologna, 14-18 December 2015). Bioinformatics tools to study protein -protein and protein-ligand interactions. Speaker: Luana Licata , MINT, University of Rome Tor Vergata. Course on Protein Networks and Systems Biology. Session Outline.

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Bioinformatics tools to study protein -protein and protein-ligand interactions

Course on Protein Networks and Systems Biology (Bologna, 14-18 December 2015). Bioinformatics tools to study protein -protein and protein-ligand interactions. Speaker: Luana Licata , MINT, University of Rome Tor Vergata. Course on Protein Networks and Systems Biology. Session Outline.

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Use of Ontologies in the Life Sciences: BioPax

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Data Integration: PSICQUIC

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cover

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Intermolecular Interaction Studies in Organic Ternary Liquid Mixtures by Ultrasonic Velocity Measurements

The ultrasonic velocity, density and viscosity have been measured for the ternary mixtures of benzene, chlorobenzene and nitrobenzene with N-N dimethylformamide (DMF) in cyclohexane at 303K. The experimental data have been used to calculate the acoustical parameters namely adiabatic compressibility (β), free length (Lf), free volume (Vf), internal pressure (πi), viscous relaxation time (τ), Gibbs’ Free Energy (∆G*) and acoustic impedance (Z). The excess values of some the above parameters are also evaluated and discussed in the light of molecular interaction in the mixtures. It is observed that a weak molecular interaction prevailing in the present systems of the mixtures. Such interactions are primarily due to weak dipole-dipole and dipole- induced dipole types. Dispersive forces are also found to exist between the components of the mixtures.

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341: Introduction to Bioinformatics

341: Introduction to Bioinformatics. Dr. Natasa Przulj Deaprtment of Compu t ing Imperial College London natasha@imperial.ac.uk. Topics. Introduction to biology (cell, DNA, RNA, genes, proteins) Sequencing and genomics (sequencing technology, sequence alignment algorithms)

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Molecular interaction studies on pharmaceutical drug of 2-[1-(aminomethyl) cyclohexyl] acetic acid in water of various c

The measurement of ultrasonic velocity in pure liquids and mixtures is an important tool to study the physico- chemical properties and also explains the nature of molecular interactions. The study of thermodynamic parameters to explain molecular interaction of drugs in aqueous or non- aqueous medium provides useful information in medicinal and pharmaceutical chemistry. In present work molecular interaction of aqueous solution of 2-[1-(aminomethyl) cyclohexyl] acetic acid at different concentrations at 303K was studied by measuring ultrasonic velocity, density and viscosity of the solution. The ultrasonic parameters such as adiabatic compressibility, free volume, free length, acoustic impedance, absorption coefficient, viscous relaxation time, available volume and Lenard Jones Potential were calculated. These parameters explained formation of hydrogen bond and molecular interaction existing in the solution.

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Bioinformatics

Bioinformatics. The application of computer technology to the management of biological information. http://www.bioplanet.com/whatis.html http://en.wikipedia.org/wiki/Bioinformatics http://www.ebi.ac.uk/2can/bioinformatics/. Background. 1978 Paulien Hogeweg

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Molecular Interaction study on N, N-dimethyle acetamide and benzonitrile at 308 K

The measurements of ultrasonic velocity (υ), density (ρ) and viscosity (η) of the binary liquid mixture of N, NDimethyle acetamide and Benzonitrile of pure and binary mixture for the entire range of compositions at temperature 308 K have been carried out. The experimental data of these mixtures is used to evaluate other thermo dynamical parameters with their excess values such as compressibility (βα), molecular free length (Lf), acoustic impedance (Z), free volume (Vf), internal pressure (πi) and the excess values as excess compressibility βα E , free length Lf E , acoustical impedance ZE , free volume Vf E and internal pressure πi E . From the nature of these excess parameters the nature and strength of the interactions in these binary systems are discussed in view of molecular interaction. The non linearity observed in the plots of these ultrasonic parameters and their excess values with the composition range indicates presence of the intermolecular interaction between the components molecules of the mixture. The nature of excess values of the βα E , Lf E , ZE , Vf E and πi E conforms about the existence of the molecular association between the components of the mixture.

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Properties of Water

Properties of Water. Polarity & H-bonds Water Density Water as a Solvent Surface Tension Heat (Sensible vs Latent) Reynolds Number (Inertia to Viscosity) Molecular Diffusion Flow Type (Laminar vs Turbulent) Light Attenuation. Water Density.

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Investigation of ultrasonic velocity and related thermo-acoustic parameters in ternary liquid mixture containing DEHPA

The measurements of ultrasonic velocity (U) and density (ρ) of the ternary mixture of Di-(2-ethyl- hexyl phosphoric acid), Benzene and Toluene are carried out for entire range of compositions of the mixtures at 298.15K – 313.15K and used to evaluate thermodynamic parameter such as isentropic compressibility (Ks) Intermolecular free length (Lf), acoustic impedance (Z), molar volume (Vm), Wada’s Constant (W) and Rao’s constant (R). Excess thermodynamic parameters, such as excess isentropic compressibility (∆Ks), excess free length (∆Lf), excess acoustic impendence (∆Z) and excess velocity (∆U) have been computed. The ultrasonic velocity has been calculated using various theoretical model and these theoretical relations have been discussed in the present system.

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Ultrasonic Investigation of Molecular Interaction in Paracetamol Solution at Different Concentrations

Paracetamol is an antipyretic drug, when it is taken it reduces the body temperature. So it was thought better to study intermolecular interaction and thus behavior of paracetamol under varied conditions such as temperature, concentration etc. For this certain important physical parameters such as adiabatic compressibility, specific acoustic impedance, relative ssociation, intermolecular free length, relaxation time, free volume, Rao’s constant, Wada’s constant etc. are evaluated using ultrasonic velocity, density and viscosity of paracetamol solution at different concentrations and at 303K.

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Introduction:

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