Items where Author is "Dasgupta, R."

Article

Rajesh Kannan, M. R. ; Tata, B. V. R. ; Dasgupta, R. ; Ahlawat, S. ; Gupta, P. K. (2011) Optical trapping of thermo-responsive microgel particles by Holographic optical tweezers AIP Conference Proceedings, 1391 . pp. 359-362. ISSN 1551-7616

Gupta, P. K. ; Majumder, S. K. ; Dasgupta, R. (2010) Raman spectroscopy for biomedical diagnosis American Institute of Physics Conference Proceedings, 1267 . pp. 135-136. ISSN 0094-243X

Ahlawat, S. ; Dasgupta, R. ; Gupta, P. K. (2008) Optical trapping near a colloidal cluster formed by a weakly focused laser beam Journal of Physics D: Applied Physics, 41 (10). 105107_1-105107_5. ISSN 0022-3727

Ahlawat, S. ; Dasgupta, R. ; Gupta, P. K. (2007) Optical trapping near a charged surface: three-dimensional optical binding of colloids Proceedings of SPIE, 6535 . 65350W-65350W. ISSN 0277-786X

Dasgupta, R. ; Ahlawat, S. ; Gupta, P. K. (2007) Trapping of micron-sized objects at a liquid-air interface Journal of Optics A: Pure & Applied Optics, 9 (8). S189-S195. ISSN 1464-4258

Dasgupta, R. ; Gupta, P. K. (2006) Experimental observation of spin-independent transverse shift of the centre of gravity of a reflected Laguerre-Gaussian light beam Optics Communications, 257 (1). pp. 91-96. ISSN 0030-4018

Mohanty, S. K. ; Dasgupta, R. ; Gupta, P. K. (2005) Three-dimensional orientation of microscopic objects using combined elliptical and point optical tweezers Applied Physics B: Lasers and Optics, 81 (8). pp. 1063-1066. ISSN 0946-2171

Ghatak, U. R. ; Dasgupta, R. ; Chakravarty, J. (1974) Synthetic studies towards complex diterpenoids-VII : stereoselective synthesis and conformational analysis of all four possible racemates of 1,2,3,4,4a,9a-hexadydro-1-methylfluorene-1-carboxylic acids Tetrahedron, 30 (1). pp. 187-194. ISSN 0040-4020

Chakrabortty, P. N. ; Dasgupta, R. ; Dasgupta, S. K. ; Ghosh, S. R. ; Ghatak, U. R. (1972) Synthetic studies towards complex diterpenoids-VI : new synthetic routes to tetracyclic bridged-bicyclo[3.2.1]octane intermediates by intramolecular alkylation reactions through α-diazomethyl ketones of hydroaromatic γ,δ-unsaturated acids Tetrahedron, 28 (17). pp. 4653-4665. ISSN 0040-4020

Johnson, L. F. ; Chakravarty, J. ; Dasgupta, R. ; Ghatak, U. R. (1971) Application in the use of a shift reagent in proton magnetic resonance spectroscopy for the elucidation of structures and stereochemistry of epimeric methyl 4,9-dimethyl-7, 8-benzobicyclo (3.3.1)non-7-ene-4-carboxylates Tetrahedron Letters, 12 (20). pp. 1703-1708. ISSN 0040-4039

Moore, R. E. ; Ghatak, U. R. ; Chakravarty, J. ; Dasgupta, R. ; Johnson, L. F. (1970) Mass spectrometry and proton and carbon-13 nuclear magnetic resonance spectroscopy in assigning stereochemistry to derivatives of des-N-morphinan and des-N-isomorphinan Journal of the Chemical Society D: Chemical Communications (18). pp. 1136-1138. ISSN 0577-6171