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Saxena, Anita
- Polymer-Surfactant Interactions: The Gelatin-SDS Example
Abstract Views :178 |
PDF Views:2
Authors
Affiliations
1 School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, IN
1 School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, IN
Source
Journal of Surface Science and Technology, Vol 13, No 2-4 (1997), Pagination: 32-42Abstract
Binding of the anionic surfactant, sodium dodecyl sulfate, SDS to gelatin chains in aqueous buffer (pH = 7.0) medium has been studied by dynamic light scattering technique at 30°C. In the surfactant concentration range varying from 0 to 100 mM, SDS exhibited electrostatic binding to the charged groups of the polypeptide chain resulting in considerable reduction in the hydrodynamic radius (Rh) of gelatin upto the critical aggregation concentration (CAC); at higher concentrations both the SDS micelles and gelatin-SDS complexes were found to coexist in equilibrium. The micellar shapes were found to be near-spherical for SDS. Results have been interpreted through the necklace-bead model of polymer-surfactant interactions.Keywords
Gelatin-SDS Binding, Necklace-Bead Model, Micellisation.- Seasonal Food Intake and Nutrient Distribution Patterns among Rural Rajput Children, Rajasthan, India
Abstract Views :164 |
PDF Views:2
Authors
Affiliations
1 Department of Medical Genetics, 8 G Peri, Rae Barelly Road, Lucknow -14, IN
2 Department of Biological Anthropology, Downing Street, Cambridge University, CB2 3Dz, GB
1 Department of Medical Genetics, 8 G Peri, Rae Barelly Road, Lucknow -14, IN
2 Department of Biological Anthropology, Downing Street, Cambridge University, CB2 3Dz, GB
Source
The Indian Journal of Nutrition and Dietetics, Vol 40, No 9 (2003), Pagination: 333-340Abstract
Patterns of food consumption are of interest to both nutritionists and anthropologiest. Intra-household food allocation follows norms which include assumptions about the quantity, type and quality of food to be given to men, women and children. At the simplest level, differential food allocation can be seen from the fact that in absolute terms most adults are given more to eat than small children". However, relative to recommended requirements, nutrient intake can vary enormously between age groups, with implications for nutritional health. In South Asian countries, women and children suffer relative to men because they rank low in distribution of nutrient rich foods.- Dietary Survey of Rural Rajput Children
Abstract Views :174 |
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Authors
Affiliations
1 Department of Biolgical Anthropology, New Museum Site Pembroke Street, University of Cambridge, Cambridge, CB2 3DZ, GB
1 Department of Biolgical Anthropology, New Museum Site Pembroke Street, University of Cambridge, Cambridge, CB2 3DZ, GB
Source
The Indian Journal of Nutrition and Dietetics, Vol 33, No 8 (1996), Pagination: 196-204Abstract
Food is the instrument of nourishment; nutrition is tlie act of using it. Diet and nutrition are not synonymous although they are popularly usea in that fashion. While diet consists of various articles of food which are ingested and converted for use in the body for building up and maintaining it in a vital condition, nutrition is the sum of the processes by which an organism is nourished by absorbing substances and assimilating them.- No Title
Abstract Views :71 |
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Source
The Indian Practitioner, Vol 75, No 11 (2022), Pagination: 35-35Abstract
No Abstract.Keywords
No Keywords.References
- No Reference.