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- W2772883013 abstract "s of Articles in English Bharatiya Vaigyanic evam Audyogi c Anusand han Patri ka VoI9(No. I) June 200 1 pp. I-IO The Utility of Hydrogels in Medical Sciences-A Review A. K. Bajpai and Mudi ta Shrivastava Bose Memori al Resea rch Laboratory Depart ment of Chemi stry Go vernment Autonomous Science College Jaba lpu r 4H2 00 1, India Abstract-Some of the maj or appli c:lti ons of hydroge ls in medical sciences are described. Hydrogels because of their inherent tendency to imbibe larg amou nt of water. are being used in almost all the fie lds of medi cal sciences . For example, in ophthomology, contact lenses. cardiovasc ul ar devices , dental fillings, burn dressings, etc. In addition , they are also finding applications in vetenary scienccs, pharmaceut ica ls. agriculture and food industry. These applica ti ons are also described brie fl y.Some of the maj or appli c:lti ons of hydroge ls in medical sciences are described. Hydrogels because of their inherent tendency to imbibe larg amou nt of water. are being used in almost all the fie lds of medi cal sciences . For example, in ophthomology, contact lenses. cardiovasc ul ar devices , dental fillings, burn dressings, etc. In addition , they are also finding applications in vetenary scienccs, pharmaceut ica ls. agriculture and food industry. These applica ti ons are also described brie fl y. Bharati ya Vaigyanic eva m Audyogic Anus:.lIldhnn Pntri ka VoI 9(No. l ) Junc 2001 pp. II-1 6 Cyanobacterial Toxins: Toxicity and Ecological Effects A Study Dhananjaya Pratap Singh' Ashok Kumar ' and Madhubala Tyagi 'School of Biotcchnology 2Department of Botany, Mah il a Mahav idyalaya Banaras Hi ndu Uni vcrsity. Varanasi 22 1 005, India Abstract-Cynobacteri a (blue-green algae) are basicall y known for the criti cal insight they have pro vided into the origin of life, oxygeni c photosynthesis . biological nit rogen fixa ti on, etc. The fac t that a number o f strains of these organisms produce 'biotoxins' which pose serious health threat to hum an and wildlifc is littl e studied. This communication reports the chem istry and possible threat to the ccosystem due to ·cyanotoxi ns'.Cynobacteri a (blue-green algae) are basicall y known for the criti cal insight they have pro vided into the origin of life, oxygeni c photosynthesis . biological nit rogen fixa ti on, etc. The fac t that a number o f strains of these organisms produce 'biotoxins' which pose serious health threat to hum an and wildlifc is littl e studied. This communication reports the chem istry and possible threat to the ccosystem due to ·cyanotoxi ns'. Bharatiya Vai gyanic evam Audyogic Anusandhan Patrik a VoI9(No. I)June 2001 pp. 17-20 Ethylene and Flower SenescenceA Review Subedar Pandey and Pramod Kumar Nagar Biotechnology Di vison. Institute of Himalayan Bioresource Technology (Council of Scientifi c and Industri al Resan.:h) Palampur 17606 1, India AbstractThe price of high quality fl owers depends on their colour, allrac ti veness and longevi ty. Post-harvest studies have been conducted for increasing the vase life and allractiveness of the !lowers. On the basis of these research findings, evidences regarding the cause of !lower senescence, it s control and the role of ethylene have been established. With respect to the role of ethylene in senescence, !lowers are divided into two groups, viz. (i) climacteric, and (ii) non-cl imacteri c. It has been hypothesized that like other hormones, ethylene binds to a receptor molecule so as to form an ac ti vated complex which in turn tri ggers a primary reaction. This reaction thereby initiates a chain of reactions including a wide vari ety of physiological processes and modification of gene expression. In the present paper all these aspects have been discussed in detail. Bharatiya Vaigyanic evam Audyogic Anusandhan P,llrika VoI 9(No. I) June 2001 pp.2 1-26 Orchid Cultivation in Himachal Pradesh--Problems and Possibilities Madhu Sharma, Ani l Sood and P.S . Ahuja Division of Biotechnology Institute of Himalayan Bioresource Technology (Council of Scientific anel lnelustrial Research) Palampur 17606 1, India Abstract--Orchiels are perhaps the worlel 's most beautiful !lowers because of large variations in shapes and sizL:s. Except for Antarctica , these are found everywhere in all types of climates. These have been described as medic inal and ornamental plants in Indian literature. Orchids worth millions of doll ars are being exported from countries like Malaysia, Singapore, Thailand , Phillipines, Sri Lanka and Inelonesia. Orchid seeds are microscopic and generally lack endosperm and, therefore, require a specific mycorrhiza fo r their germinati on and development. Normally, onl y 0 . 2-0.3 ~ of the seeds germinate in nature. Tissue culture tec hniques are being eITecti'ely used for increased germination and th rough green food cul ture. the Ii fe cyc le alsll gets reduced considerabl y. A large number of orchid species are found in almost all parts of India and taking advan tage of congenial agro-c1 imatic conditions, orchid growing and export can become a major forei gn exchanger earner. Himachal Pradesh also has it s own ecological niches most suit ab.lc fo r exot ic orchids and its proximity to the major markets can prove hi ghl y heneficial. 47" @default.
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- W2772883013 title "Cyanobacterial Toxins: Toxicity and Ecological Effects - A Study" @default.
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