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Search Results: 1 - 10 of 401139 matches for " Vijesh M. "
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Ethyl 3-(2-ethoxy-2-oxoethoxy)-6-(trifluoromethyl)furo[3,2-c]quinoline-2-carboxylate
B. Garudachari,Arun M. Islor,A. M. Vijesh,Thomas Gerber
Acta Crystallographica Section E , 2012, DOI: 10.1107/s1600536812046843
Abstract: In the title compound, C19H16F3NO6, a quinoline derivative featuring an annealated furan substituent, the mean planes of the carboxy substituents are at an angle of 74.3 (2)°. In the crystal, C—H...O contacts result in undulating chains along [110]. C—H...F contacts also occur. The shortest centroid–centroid distance between rings is 3.3376 (7) , involving two furan rings of neighbouring molecules.
Dimethyl 2,6-dimethyl-4-{3-[4-(methylsulfanyl)phenyl]-1H-pyrazol-4-yl}-1,4-dihydropyridine-3,5-dicarboxylate monohydrate
Arun M. Islor,A. M. Vijesh,Thomas Gerber,Eric Hosten
Acta Crystallographica Section E , 2012, DOI: 10.1107/s1600536812045333
Abstract: In the title compound, C21H23N3O4S·H2O, the methylsulfanyl group is disordered over two sets of sites with site-occupancy factors of 0.631 (11) and 0.369 (11). The dihydropyridine ring adopts an E4 conformation. In the crystal, classical O—H...N, O—H...O and N—H...O hydrogen bonds, as well as C—H...O and C—H...S contacts, connect the molecules into a three-dimensional network.
A Navigation Algorithm Inspired by Human Navigation
Vijesh M.,Sudarshan Iyengar,Vijay Mahantesh,Amitash Ramesh,Veni Madhavan
Computer Science , 2011,
Abstract: Human navigation has been a topic of interest in spatial cognition from the past few decades. It has been experimentally observed that humans accomplish the task of way-finding a destination in an unknown environment by recognizing landmarks. Investigations using network analytic techniques reveal that humans, when asked to way-find their destination, learn the top ranked nodes of a network. In this paper we report a study simulating the strategy used by humans to recognize the centers of a network. We show that the paths obtained from our simulation has the same properties as the paths obtained in human based experiment. The simulation thus performed leads to a novel way of path-finding in a network. We discuss the performance of our method and compare it with the existing techniques to find a path between a pair of nodes in a network.
Modeling of gene regulatory networks: A review  [PDF]
Nedumparambathmarath Vijesh, Swarup Kumar Chakrabarti, Janardanan Sreekumar
Journal of Biomedical Science and Engineering (JBiSE) , 2013, DOI: 10.4236/jbise.2013.62A027
Abstract:

Gene regulatory networks play an important role the molecular mechanism underlying biological processes. Modeling of these networks is an important challenge to be addressed in the post genomic era. Several methods have been proposed for estimating gene networks from gene expression data. Computational methods for development of network models and analysis of their functionality have proved to be valuable tools in bioinformatics applications. In this paper we tried to review the different methods for reconstructing gene regulatory networks.

2-Dibutylamino-1-(2,7-dichloro-9H-fluoren-4-yl)ethanol
Hoong-Kun Fun,Chin Sing Yeap,A. M. Vijesh,Arun M Isloor
Acta Crystallographica Section E , 2010, DOI: 10.1107/s1600536810037566
Abstract: In the title compound, C23H29Cl2NO, the fluorene ring is essentially planar, with a maximum deviation from the mean plane of 0.041 (1) . The amine group adopts a pyramidal configuration, the sum of the bond angles being 336.2 (3)°. In the crystal, the molecules are linked into dimers by intermolecular O—H...N and C—H...O hydrogen bonds. Weak C—H...π and π–π [centroid–centroid distance = 3.7544 (7) ] interactions are also observed.
Diethyl 4-[5-(4-chlorophenyl)-1H-pyrazol-4-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Hoong-Kun Fun,Wan-Sin Loh,A. M. Vijesh,Arun M. Isloor
Acta Crystallographica Section E , 2012, DOI: 10.1107/s160053681201344x
Abstract: In the title compound, C22H24ClN3O4, intramolecular C—H...O and C—H...N hydrogen bonds form S(9) and S(7) ring motifs, respectively. The 1,4-dihydropyridine ring adopts a flattened boat conformation. The benzene ring makes a dihedral angle of 33.36 (6)° with the pyrazole ring. In the crystal, pairs of N—H...N hydrogen bonds link the molecules into inversion dimers. The dimers are stacked in column along the a axis through N—H...O and C—H...N hydrogen bonds. The crystal packing also features C—H...π interactions involving the pyrazole ring.
1,5-Dibromo-2,4-dimethoxybenzene
A. M. Vijesh,Arun M. Isloor,Thomas Gerber,Benjamin van Brecht
Acta Crystallographica Section E , 2012, DOI: 10.1107/s1600536812047848
Abstract: In the title compound, C8H8Br2O2, all non-H atoms lie essentially in a common plane (r.m.s deviation of all fitted non-H atoms = 0.0330 ). In the crystal, weak C—H...O hydrogen bonds connect the molecules, forming chains which extend along the b-axis direction.
Diethyl 4-[5-(biphenyl-4-yl)-1H-pyrazol-4-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate ethanol monosolvate
Hoong-Kun Fun,Madhukar Hemamalini,A. M. Vijesh,Arun M. Isloor
Acta Crystallographica Section E , 2011, DOI: 10.1107/s160053681102349x
Abstract: In the title compound, C28H29N3O4·C2H6O, the benzene ring makes dihedral angles of 33.72 (13) and 32.86 (13)°, respectively, with the adjacent pyrazole and phenyl rings. In the crystal, the components are connected via intermolecular N—H...O, N—H...N, O—H...O and C—H...O hydrogen bonds, forming a layer parallel to the bc plane.
Diethyl 4-[2-(4-methoxyphenyl)-1H-pyrazol-3-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Hoong-Kun Fun,Madhukar Hemamalini,A. M. Vijesh,A. M. Isloor
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811017600
Abstract: In the title compound, C23H27N3O5, the pyrazole ring is inclined at dihedral angles of 38.16 (6) and 80.80 (6)°, respectively, to the least-squares planes of the benzene and dihydropyridine rings. In the crystal, adjacent molecules are linked via a pair of N—H...N hydrogen bonds, forming an inversion dimer. The dimers are stacked in a column along the a axis through N—H...O hydrogen bonds. Intra- and intermolecular C—H...N and C—H...O hydrogen bonds are also observed.
2-(4-Chlorophenyl)-2-oxoethyl 3,4-dimethoxybenzoate
Hoong-Kun Fun,Ching Kheng Quah,A. M. Vijesh,A. M. Isloor
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811048264
Abstract: In the title compound, C17H15ClO5, the benzene rings forms a dihedral angle of 74.45 (10)°. In the crystal, molecules are linked into C(13) chains along [011] via C—H...O hydrogen bonds. The crystal packing also features short Cl...Cl contacts of 3.1253 (10) .
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