Items where Author is "Roy, Sangita"

Article

Das, Dibyendu ; Roy, Sangita ; Debnath, Sisir ; Das, Prasanta Kumar (2010) Surfactant-stabilized small hydrogel particles in oil: hosts for remarkable activation of enzymes in organic solvents Chemistry - A European Journal, 16 (16). pp. 4911-4922. ISSN 0947-6539

Roy, Sangita ; Das, Prasanta Kumar (2008) Antibacterial hydrogels of amino acid-based cationic amphiphiles Biotechnology and Bioengineering, 100 (4). pp. 756-764. ISSN 0006-3592

Roy, Sangita ; Dasgupta, Antara ; Das, Prasanta Kumar (2007) Alkyl chain length dependent hydrogelation of L-tryptophan-based amphiphile Langmuir, 23 (23). pp. 11769-11776. ISSN 0743-7463

Shome, Anshupriya ; Roy, Sangita ; Das, Prasanta Kumar (2007) Nonionic surfactants: a key to enhance the enzyme activity at cationic reverse micellar interface Langmuir, 23 (8). pp. 4130-4136. ISSN 0743-7463

Mitra, Rajendra Narayan ; Das, Debapratim ; Roy, Sangita ; Das, Prasanta Kumar (2007) Structure and properties of low molecular weight amphiphilic peptide hydrogelators The Journal of Physical Chemistry B, 111 (51). pp. 14107-14113. ISSN 1520-6106

Dasgupta, Antara ; Mitra, Rajendra Narayan ; Roy, Sangita ; Das, Prasanta Kumar (2006) Asymmetric resolution in ester reduction by NaBH₄ at the interface of aqueous aggregates of amino acid, peptide, and chiral-counterion-based cationic surfactants Chemistry – An Asian Journal, 1 (6). pp. 780-788. ISSN 18614728

Mohanta, Kallol ; Pal, Amlan J. ; Roy, Sangita ; Das, Prasanta Kumar (2006) A control over accessibility of immobilized enzymes through porous coating layer Journal of Colloid and Interface Science, 304 (2). pp. 329-334. ISSN 0021-9797

Das, Debapratim ; Dasgupta, Antara ; Roy, Sangita ; Mitra, Rajendra Narayan ; Debnath, Sisir ; Das, Prasanta Kumar (2006) Water gelation of an amino acid-based amphiphile Chemistry - A European Journal, 12 (19). pp. 5068-5074. ISSN 0947-6539

Mitra, Debolina ; Chakraborty, Indranil ; Bhattacharya, Subhash C. ; Moulik, Satya P. ; Roy, Sangita ; Das, Debapratim ; Das, Prasanta K. (2006) Physicochemical studies on cetylammonium bromide and its modified (mono-, di-, and trihydroxyethylated) head group analogues. Their micellization characteristics in water and thermodynamic and structural aspects of water-in-oil microemulsions formed with them along with n-hexanol and isooctane The Journal of Physical Chemistry B, 110 (23). pp. 11314-11326. ISSN 1089-5647

Roy, Sangita ; Dasgupta, Antara ; Das, Prasanta Kumar (2006) Tailoring of horseradish peroxidase activity in cationic water-in-oil microemulsions Langmuir, 22 (10). pp. 4567-4573. ISSN 0743-7463

Das, Debapratim ; Roy, Sangita ; Mitra, Rajendra Narayan ; Dasgupta, Antara ; Das, Prasanta Kumar (2005) Head-group size or hydrophilicity of surfactants: the major regulator of lipase activity in cationic water-in-oil microemulsions Chemistry - A European Journal, 11 (17). pp. 4881-4889. ISSN 0947-6539

Roy, Sangita ; Das, Debapratim ; Dasgupta, Antara ; Mitra, Rajendra Narayan ; Das, Prasanta Kumar (2005) Amino acid based cationic surfactants in aqueous solution: physicochemical study and application of supramolecular chirality in ketone reduction Langmuir, 21 (23). pp. 10398-10404. ISSN 0743-7463

Mitra, Rajendra Narayan ; Dasgupta, Antara ; Das, Debapratim ; Roy, Sangita ; Debnath, Sisir ; Das, Prasanta Kumar (2005) Geometric constraints at the surfactant headgroup: effect on lipase activity in cationic reverse micelles Langmuir, 21 (26). pp. 12115-12123. ISSN 0743-7463

Das, Debapratim ; Roy, Sangita ; Das, Prasanta Kumar (2004) Efficient and simple NaBH₄ reduction of esters at cationic micellar surface Organic Letters, 6 (22). pp. 4133-4136. ISSN 1523-7060

Basu, Analabha ; Mukherjee, Namita ; Roy, Sangita ; Sengupta, Sanghamitra ; Banerjee, Sanat ; Chakraborty, Madan ; Dey, Badal ; Roy, Monami ; Roy, Bidyut ; Bhattacharyya, Nitai P. ; Roychoudhury, Susanta ; Majumder, Partha P. (2003) Ethnic India: a genomic view, with special reference to peopling and structure Genome Research, 13 . pp. 2277-2290. ISSN 1088-9051

Roy, Sangita ; Thakur (Mahadik), Chitra ; Majumder, Partha P. (2003) Mitochondrial DNA variation in ranked caste groups of Maharashtra (India) and its implication on genetic relationships and origins Annals of Human Biology, 30 (4). pp. 443-454. ISSN 0301-4460

Edwin, Deepa ; Vishwanathan, H. ; Roy, Sangita ; Usha Rani, M. V. ; Majumder, Partha P. (2002) Mitochondrial DNA diversity among five tribal populations of Southern India Current Science, 83 (2). pp. 158-162. ISSN 0011-3891

Chakrabarti, Susmita ; Dasgupta, Santanu ; Roy, Sangita ; Bhar, Anusree ; Sengupta, Arunava ; Roy, Anup ; Ray, Kunal ; Bhattacharyya, Nitai P. ; Roy, Bidyut ; Panda, Chinmay K. ; Roychoudhury, Susanta (2001) Microsatellite instability in squamous cell carcinoma of head and neck from the Indian patient population International Journal of Cancer, 92 (4). pp. 555-561. ISSN 0020-7136

Roychoudhury, Susanta ; Roy, Sangita ; Basu, Analabha ; Banerjee, Rajat ; Vishwanathan, H. ; Usha Rani, M. ; Sil, Samir K. ; Mitra, Mitashree ; Majumder, Partha P. (2001) Genomic structures and population histories of linguistically distinct tribal groups of India Human Genetics, 109 (3). pp. 339-350. ISSN 0340-6717

Roychoudhury, Susanta ; Roy, Sangita ; Dey, Badal ; Chakraborty, Madan ; Roy, Monami ; Roy, Bidyut ; Ramesh, A. ; Prabhakaran, N. ; Usha Rani, M. V. ; Vishwanathan, H. ; Mitra, Mitashree ; Sil, Samir K. ; Majumder, Partha P. (2000) Fundamental genomic unity of ethnic India is revealed by analysis of mitochondrial DNA Current Science, 79 (9). pp. 1182-1192. ISSN 0011-3891