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Independent positioning of magnetic nanomotors.
Mandal P, Chopra V, Ghosh A. Mandal P, et al. ACS Nano. 2015 May 26;9(5):4717-25. doi: 10.1021/acsnano.5b01518. Epub 2015 Apr 17. ACS Nano. 2015. PMID: 25824608
There is considerable interest in powering and maneuvering nanostructures remotely in fluidic media using noninvasive fuel-free methods, for which small homogeneous magnetic fields are ideally suited. Current strategies include helical propulsion of chiral nanostructures, …
There is considerable interest in powering and maneuvering nanostructures remotely in fluidic media using noninvasive fuel-free methods, for …
Micellar aggregates and hydrogels from phosphonobile salts.
Babu P, Chopra D, Row TN, Maitra U. Babu P, et al. Org Biomol Chem. 2005 Oct 21;3(20):3695-700. doi: 10.1039/b504656d. Epub 2005 Sep 8. Org Biomol Chem. 2005. PMID: 16211104
The present studies reveal that the gel network consists of a chiral, fibrous structure possessing hydrophobic interiors....
The present studies reveal that the gel network consists of a chiral, fibrous structure possessing hydrophobic interiors....
Chirality and anaesthetic drugs: A review and an update.
Mitra S, Chopra P. Mitra S, et al. Indian J Anaesth. 2011 Nov;55(6):556-62. doi: 10.4103/0019-5049.90608. Indian J Anaesth. 2011. PMID: 22223897 Free PMC article.
They are known as enantiomers or substances of opposite shape. Such compounds are also said to be chiral (Greek chiros meaning 'hand'). Such chiral molecules are of great relevance to anaesthetic theory and practice. ...Chirality is relevant to anaesthesia, s …
They are known as enantiomers or substances of opposite shape. Such compounds are also said to be chiral (Greek chiros meaning 'hand' …
Versatile cyclic templates for assembly of axially oriented ligands.
Chopra N, Gan W, Schreiber H, Kurutz JW, Meredith SC. Chopra N, et al. Bioconjug Chem. 2009 Feb;20(2):231-40. doi: 10.1021/bc800312x. Bioconjug Chem. 2009. PMID: 19159293
In this paper, we describe two novel types of planar cyclic peptide templates for the facile addition of ligands that extend axially from the plane of the template ring. The first uses beta-amino acids of alternating D- and L-chirality, since the insertion of the additiona …
In this paper, we describe two novel types of planar cyclic peptide templates for the facile addition of ligands that extend axially from th …
Hydrogen and coordination bonding supramolecular structures of trimesic acid on Cu(110).
Classen T, Lingenfelder M, Wang Y, Chopra R, Virojanadara C, Starke U, Costantini G, Fratesi G, Fabris S, de Gironcoli S, Baroni S, Haq S, Raval R, Kern K. Classen T, et al. J Phys Chem A. 2007 Dec 13;111(49):12589-603. doi: 10.1021/jp076037o. Epub 2007 Nov 10. J Phys Chem A. 2007. PMID: 17994713
For temperatures up to 280 K, TMA molecules are only partly deprotonated and form hydrogen-bonded structures, which locally exhibit organizational chirality. Above this threshold, the molecules deprotonate completely and form supramolecular metal-organic structures with Cu …
For temperatures up to 280 K, TMA molecules are only partly deprotonated and form hydrogen-bonded structures, which locally exhibit organiza …
2-Acetoxyverecynarmin C, a new briarane COX inhibitory diterpenoid from Pennatula aculeata.
Bahl A, Jachak SM, Palaniveloo K, Ramachandram T, Vairappan CS, Chopra HK. Bahl A, et al. Nat Prod Commun. 2014 Aug;9(8):1139-41. Nat Prod Commun. 2014. PMID: 25233592
The structure of the compound was elucidated by ESI-HRMS, 1D and 2D NMR spectroscopy and comparison of the measured spectral data with those reported in the literature. The relative stereochemistry at chiral carbons was established from 2D NOESY experiments. 2-Acetoxyverec …
The structure of the compound was elucidated by ESI-HRMS, 1D and 2D NMR spectroscopy and comparison of the measured spectral data with those …