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BNSJS-2017.Pdf B. N. Seal Journal of Science Volume IX Issue I September, 2017 Editor-in-Chief Dr. Prabir Banerjee Department of Physics, ABN Seal College Editorial Board Dr. Samir Kumar Samanta, Department of Geography, ABN Seal College Dr. Asis Kumar Pandit, Department of Physiology, ABN Seal College Dr. Tridib Chakraborty, Department of Physiology, ABN Seal College Dr. Ramkrishna Pramanik, Department of Chemistry, ABN Seal College Dr. Srijit Das, Department of Chemistry, ABN Seal College Shri Hemen Biswas, Department of Zoology, ABN Seal College Dr. Lakshmi Narayan De, Department of Mathematics, ABN Seal College Shri Alokemoy Basu, Department of Botany, ABN Seal College Dr. Aninda Mandal, Department of Botany, ABN Seal College Shri Prem Rajak, Department of Zoology, ABN Seal College Chief Advisor Prof. Jayshree Roychowdhury Director of Public Instructions Government of West Bengal Advisory Board Prof. Debkumar Mukherjee Vice-Chancellor, Cooch Behar Panchanan Barma University Cooch Behar, West Bengal Dr. Bimal Kumar Saha Officer-in-Charge, ABN Seal College Cooch Behar, West Bengal Prof. Ashim Kumar Chakraborty Retd. Professor, Department of Zoology, North Bengal University All correspondences regarding the publication should be made to the Editor-in-Chief, B. N. Seal Journal of Science. Printing done at S R Computer, Stall No. H/2, Ganjeepatty, Bhabaniganja Bazar, Coochbehar. From the Editor’s Desk……… It gives great pleasure that the current issue (Vol. IX, No. I) of the B N Seal Journal of Science is published as usual before the Annual Day Celebration of the College. The present volume brings together a number of original and informative research/review articles of very high quality, which address the current global scenario. The topics encompass practically all disciplines of Science and also interdisciplinary subjects, intimately linked together. We hope that the current issue of this journal has not failed to live up to the expectation, reputation and excellent academic standards set up by the preceding volumes. The readers will definitely find it stimulating, inspiring and thought-provoking. We would like to thank all the contributors for their scholarship and research acumen. Thanks are due to the entire editorial team for their hard work and support, contribution in critically reviewing the articles and preparation of this issue of the B N Seal Journal of Science. It is worthwhile to acknowledge the help and support rendered by The Publication & Published Material Distribution Cell of this College for bringing out this issue of the Journal on time. I would also like to thank everybody who has contributed in any way, however great or small. Last but not the least; we are grateful to Dr. Bimal Kumar Saha, Officer-in-Charge of this College, for his patronage, support and enthusiasm. Last but not the least, it is a pleasure to mention that recently the Journal has become UGC enlisted (No. 48724). The College takes pride in it. B. N. Seal Journal of Science|Volume 9| Issue 1| 2017 ISSN: 0975-5624 | UGC JOURNAL ENLISTMENT No.: 48724 B. N. Seal Journal of Science|Volume 9| Issue 1| 2017 Contents Title of the article Author (s) Page No. CARBON NANOTUBE DOPED LIQUID Kartick Ch. Dey 04 CRYSTALS DISCOVERY IN SCIENCE: NECESSITY, Prabir Banerjee 10 METHODOLOGY AND OUTCOME COSMOLOGICAL MODELS OF THE UNIVERSE Partha Sarathi Debnath 21 WITH NONLINEAR DISSIPATIVE EFFECTS and Biplab Kumar Mandal ON SOME PROPERTIES OF ALMOST CLIQUISH Piyali Mallick 27 FUNCTIONS A DISCRETE IN TIME STOCHASTIC Lakshmi Narayan De 33 INVENTORY MODEL UNDER TRADE CREDIT FINANCING DEPENDENT ON THE ORDERING QUANTITY SOME RESULTS ON STRONGLY Amal Ch. Barman 40 HÖLDERIAN FUNCTIONS CONDUCTOMETRIC INVESTIGATION: Anuradha Sinha 46 PHYSICO-CHEMICAL STUDIES IN DIFFERENT SOLVENT SYSTEMS DETERMINATION OF THE PHYSICO- Srijit Das 61 CHEMICAL PARAMETERS AND WATER QUALITY STATUS IN TORSA RIVER FOR IRRIGATION USED IN COOCH BEHAR DISTRICT, WEST BENGAL TITANIUM DIOXIDE (TiO2): A GREEN PHOTO Srijit Das 66 CATALYST FOR DESTROYING HAZARDOUS POLLUTANTS A NOVEL RARE-EARTH Rajarshi Chatterjee 71 POLYOXOMETALATES: SYNTHESIS, AND THEIR CHARACTERIZATION THROUGH CRYSTALLOGRAPHY AND SPECTROSCOPY SARCO (ENDO) PLASMIC RETICULUM CA+2- Arijit Chakraborty 79 ATPASE (SERCA): THE UNIQUE TRANSPORT ENZYME AND ITS MODULATORS ANION-Π AND LONE-PAIR-Π INTERACTIONS: 85 SPECIAL TYPE OF NON-COVALENT Nabanita Kundu SUPRAMOLECULAR FORCES GREEN CHEMISTRY: A TOOL FOR Md. Ansar Ali 92 SUSTAINABLE DEVELOPMENT Page | 1 ISSN: 0975-5624 | UGC JOURNAL ENLISTMENT No.: 48724 B. N. Seal Journal of Science|Volume 9| Issue 1| 2017 SOLVENT EFFECT ON PHOTOPHYSICAL Nilanjan Chakraborty and 98 PROPERTIES OF NAPTHOXAZINONE Arijit Chakraborty DERIVATIVES STUDY OF SURFACE TENSION OF Ramkrishna Pramanik 107 BENZONITRILE + ACETONITRILE AND BENZONITRILE + OCTANOL MIXTURE AT 293 K TO 313 K INCLUSION OF HERBAL EXTRACTS IN Maheswari Dasgupta and 113 DIABETOPATHY-DREAMS TO REALITY Debojyoti Dutta A MINI REVIEW ON HEAT SHOCK PROTEINS Saurabh Sarkar and 129 (HSPS): SPECIAL EMPHASIS ON HEAT SHOCK Sumedha Roy PROTEIN70 (HSP70) HOW MANY ROADS MUST A MAN WALK Satadal Adhikary 139 DOWN BEFORE YOU CALL HIM A MAN: THE SAGA OF MARRIAGE AND MATE SELECTION – A SOCIO-ETHOLOGICAL PERSPECTIVE THE MECHANISMS OF INNATE IMMUNITY IN Leibig Ranjan Debnath, 146 INSECTS Prem Rajak, Achintya Kumar Pal A STUDY OF STUDENTS’ PERCEPTION OF Hemen Biswas and 160 VIRTUAL ANIMAL DISSECTION AT UNDER Prakriti Ranjan Sarkar GRADUATE ZOOLOGY COURSES IN WEST BENGAL USING ICT AS A PEDAGOGIC TOOL: Prakriti Ranjan Sarkar 170 CHALLENGES and Hemen Biswas RNA INTERFERENCE: MECHANISTIC Prem Rajak, Abhratanu 176 APPROACH AND APPLICATIONS Ganguly and Sumedha Roy 1α, 25-DIHYDROXYVITAMIN D3 INHIBITS Tridib Chakraborty 182 DIETHYLNITROSAMINE-INDUCED HEPATOCELLULAR PRENEOPLASTIC TRANSFORMATION IN SPRAGUE-DAWLEY RATS PARKINSON’S DISEASE: CAUSE TO CURE, A Tuhin Suvro Banerjee 195 JOURNEY OF 200 YEARS PHYTOCHEMICAL ANALYSIS OF TWO Anindita Chakraborty and 207 MEDICINAL PLANTS OF NORTH BENGAL Bikramjit Raychaudhury ANTHROPOMETRIC PROFILE OF DISTRICT Payel Banik 215 LEVEL JUNIOR VOLLEYBALL PLAYERS IN COOCH BEHAR, WEST BENGAL A CHECKLIST OF WILD TREES OF COOCH Rajendra Prasad De 221 BEHAR, WEST BENGAL, INDIA Page | 2 ISSN: 0975-5624 | UGC JOURNAL ENLISTMENT No.: 48724 B. N. Seal Journal of Science|Volume 9| Issue 1| 2017 HIMALAYAN MAIDENHAIR FERN – AN Aninda Mandal 228 OVERVIEW PHYSIOGRAPHICAL CHARACTERISTICS OF Dr. Samir Kumar 234 THE SIKKIM HIMALAYA ALONG WITH ITS Samanta CHANGING CONFIGURATION AND IDENTIFICATION OF GEOMORPHIC UNITS MEASUREMENTS OF TOURIST Partha Das 245 ATTRACTIVENESS USING PROBABILISTIC TOURISM MODEL: A CASE STUDY ON MANALI Page | 3 ISSN: 0975-5624 | UGC JOURNAL ENLISTMENT No.: 48724 B. N. Seal Journal of Science|Volume 9| Issue 1| 2017 Review Article CARBON NANOTUBE DOPED LIQUID CRYSTALS Kartick Ch. Dey Department of Physics, Acharya Prafulla Chandra Roy Govt. College, Siliguri-734010, WB, India E-mail: [email protected] A B S T R A C T Carbon nanotube, an important allotrope of carbon, comprises of co-axial tube of graphene sheets. They are highly conducting along their length but poor conducting along diameter. They are non–responsive to any perturbations like electric or magnetic fields. Liquid crystals are self–assembled orientationally, partially positionally ordered soft materials, which can easily respond to such perturbations and orient themselves along the field. The basic compatibility between liquid crystals and carbon nanotubes is anisotropic nature of both. When carbon nanotubes are suspended in liquid crystals, they align themselves along the direction of liquid crystal molecules and the order parameter is enhanced. Ion density, threshold voltage, driving voltage, flickering of image, and degradation of display are observed to decrease in nematic liquid crystals due to doping of carbon nanotubes whereas in ferroelectric liquid crystals switching time, viscosity, dielectric increment decrease and critical frequency of Goldstone mode increases. Liquid crystal– carbon nanotube composites are capable of solving many issues of display technology. Keywords: Carbon nanotube; single wall carbon nanotube; threshold voltage; ion density; liquid crystal. Publication History: Received: 15th July, 2017 Accepted: 31st July, 2017 1. INTRODUCTION A new type of finite carbon structure consisting of needle–like tube was discovered by Japanese Scientist Sumio Iijima in 1991, when examining carbon materials under an electron microscope. Electron microscopy reveals that each needle comprises of coaxial tubes of graphitic sheets, ranging in number from 2 up to about 50. On each tube the carbon–atom hexagons are arranged in a helical fashion about needle axis [Fig. 1]. The helical pitch varies from needle to needle and from tube to tube within a single needle [Iijima, 1991]. Sumio Iijima called these materials “carbon nanotubes”, since they have a tubular structure of carbon atom sheets, with a thickness scaled in less than a few nanometers. The name has been Page | 4 ISSN: 0975-5624 | UGC JOURNAL ENLISTMENT No.: 48724 B. N. Seal Journal of Science|Volume 9| Issue 1| 2017 widely accepted now. Carbon nanotubes (CNTs) have attracted a lot of researchers in a wide range of fields from academia to industry, not only because of their uniqueness when compared with conventional materials, but also because they are very promising materials in nanotechnology in future technology. Their properties open a whole range of novel applications including nanoscale electronics, field emission
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