Qualification:
M.Sc., Ph.D.

Contact Address:
Professor, Department of Botany, Siksha Bhavana, Visva-Bharati, Santiniketan - 731235

Email:
ray_samit@visva-bharati.ac.in & ray_samit@rediffmail.com

Fax:
03463-262728

Phone numbers (mobile and/or landline):
+91-3463-262751-6 (6 lines) Ext. 382 (O),
+91-9434036628 (M)

Research areas:
Cytomorphology and cytotaxonomy of Chara, Cyanobacteria

Awards and Honours:
• Guest scholar by Swedish Institute, Sweden

Ten Significant publications :
• Mandal S, Ray S, Debnath M, Ghosh P.B., Roy M & Ray S. 2011. Dynamic modeling of dissolved oxygen in the creeks of Sagar Island, Hooghly- Malta estuarine system, West Bengal, India. Applied Mathematical Modelling, Elsevier ( in press) (impact factor = 1.375)
• Mandal, D. K., Ojha, S. N. and Ray, S. 2008. Species-specificity of oospore dimensions in three ecorticate species of Chara (Charales, Charophyceae), Aquatic Botany 88: 181-183. (impact factor = 1.697)
• Ray, S. 2006. Algal Biotechnlogy – A Mini Review, In: Biodiversity and Biotechnology, Ed. by S. Ray and A.K. Ray, New Central Book Agency (P) Ltd., Kolkata, India, pp. 141-154.
• Maithy S, Ray S & Banerjee N. 2005. The role of plant growth regulators on direct and indirect plant regeneration from various organs of Leucaena leucocephala.Acta Physiologiae Plantarum. 27 (4A) : 473 – 480(impact factor = 1.232)
• Mandal D.K. & Ray S. 2004. Taxonomic significance of micromorphology and dimension of oospore germination in the genus Chara L (Charales, Charophyta). Arch. Biol. Sci. Belgrade. 56(3-4): 131-138(impact factor = 0.238)
• Ray, S. Klennel, M., Choo, K. S., Pedersen, M. & Snoeijs, P. 2003. Carbon acquisition mechanisms in Chara tomentos. Aquatic Botany, 76: 141-154. (impact factor = 1.697)
• Mandal D.K., Blazencic J & Ray S. 2002. SEM study of compound oospore wall ornamentation of some members of Charales from Yogoslavia. Archives of Biological Sciences. Belgrade. 54. 91-2): 29-34(impact factor = 0.238)
• Ray S, Pekkari s & Snoeijs P. 2001. Oospore dimensions and wall ornamentation patterns in Swedish Charophytes. Nordic Journal of Botany.21 : 207-224(impact factor = 0.868)
• Ray S. 1998. Study of chromosome morphology from vegetative shoot apices of Nitella hyalina f. hyalina ( Charophytes). Phycologia : 37(1): 64-66(impact factor = 1.218)
• Mukhopadhyay A & Ray S. 1995. Karyology and cytotaxonomy of Chara wallichii and Chara braunii from West Bengal, India. Acta Botanica Gallica. 142(7): 787-791(impact factor = 0.064)

Books :
• Ray, S. 2006. Cyanobacteria. New Age International (P) Limited, Publishers, New Delhi.
•Ray, S. and Ray, A.K. 2006. (Ed.). Biodiversity and Biotechnology, New Central Book Agency (P) Ltd. Kolkata.
•Ray, S. and Chakraborty, R. 2005. Jiban Bigyan Parichay, Sanjay Prakashan, Kolkata (Text-book approved by West Bengal Board of Secondary Education for classes nine and ten).

Number of Ph.D students produced :
6