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3 results on '"R. G. Walker"'

1. X International Congress of The Society for the Advancement of Contraception Manila, Philippines, 5–9 November 1998 Abstracts (in alphabetical order of author)

Author

P. Blumenthal, Maria Otelia D. Costales, I. Spitz, Babatunde A. Gbolade, J. T. Queenan, Delfln A. Tan, P. Mena, S. Rubakaniko, William Fuiyer, R. Ramos, E. Nowalle, N. Mcintosh, Joe Leigh Simpson, T. Samoto, S. Takeuchi, Antonio C. Costales, Jevgenijs Kalejs, Kathy Kennedy, Pilar Ramos-Jimenez, F. Vilar, I. Batár, Victoria Jennings, M. Vrijens, R. G. Walker, C. Cordero, W. Delbarge, Rosemary Kirkman, Diana J. A. Mansour, F. Lubis, E. Johansson, R. Fernandez, Leonard F. Blackwell, D. Wildemeersch, R. Pudgo, R. Youlton, Pamela J. Schwingl, R. Gray, P. Darney, J. Mcgrath, L. J. Canson, Irina Yacobsen, Loreto B. Roquero, R. S. Batani, C. Joanis, Biran Affandi, E. Valles, J. Kasule, A. E. Pollack, Mohammed S. A. Mansour, S. Palmore, X. Zhenming, T. Marou, R. Massai, R. Lu, Catalino M. Lim, K. Hardee, N. Williamson, S. Girvin, H. Sanghvi, Z. M. Chirenje, D. R. Bimo, B. Lee Romeo, V. Orais, S. Diaz, Max Elstein, T. Vaidya, T. Chipato, M. Catalino, B. Gu, L. Gaffikin, Sara Johnson, K. Kamali, R. Rivera, B. Morales, Jose Miguel De La Rosa, G. A. Manuel-Limson, Corazon A. Ngelangel, K. O. Rogo, R. D. Sanchez, J. Collins, A. Perez, H. Nagib, R. De La Paz Ingenie, M. Cabaraban, B. Norman Barwin, T. Grey, E. J. Oloto, Salud B. Zaldlvar, Nina Frankel, P. Makunike, M. Cordero, Marcos Arevalo, H. Croxatto, R. Magarick, R. Vogel, I. Kimsang, Richard A. Grossman, and P. Bhiwandi

Subjects
business.industry, International congress, Media studies, Obstetrics and Gynecology, Alphabetical order, Library science, Medicine, business
Published
1998
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2. The effects of β-cyclodextrin on the luminescence of para amino acids

Author

J. H. Turnbull and R. G. Walker

Subjects
Physics, chemistry.chemical_classification, chemistry.chemical_compound, Cyclodextrin, chemistry, Luminescence, Photochemistry, Fluorescence, Benzoic acid, Ion, Amino acid
Abstract

Beta-cyclodextrin has been added to para amino benzoic acid (PABA) and luminescence changes observed for the PABA anion. The intensity of fluorescence was increased upon complexation of the PABA at 298 K due to the prevention of collisional deactivation of the PABA, but at 77 K the fluorescence was reduced due to the increase of vibrational deactivation modes available to the complex relative to the free PABA. The luminescence effects were interpreted as inclusion complexation of the PABA anion.

Published
1981
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3. Renal Function Related Changes in Lithium Kinetics

Author

Trevor R. Norman, G D Burrows, and R. G. Walker

Subjects
Aging, medicine.medical_specialty, Lithium (medication), medicine.medical_treatment, Urinary system, Kinetics, Renal function, Lithium, Kidney, Pharmacotherapy, Internal medicine, medicine, Humans, Tissue Distribution, Pharmacology (medical), Antipsychotic, Pharmacology, business.industry, Sodium, medicine.anatomical_structure, Endocrinology, Intestinal Absorption, Toxicity, Kidney Diseases, business, Glomerular Filtration Rate, medicine.drug
Abstract

The renal clearance of lithium will decrease, and hence the risk of acute lithium toxicity will increase, in any situation leading to dehydration and sodium depletion. Patients on long term lithium therapy with progressively declining urinary concentrating ability may be at special risk in this regard. Chronic histological changes in the kidney attributed to lithium therapy correlate with age rather than with the duration of lithium therapy. Age-related renal histological changes are associated with decreased glomerular filtration rate and therefore reduced renal lithium clearance. Thus, the dose of lithium should be reduced with advancing age.

Published
1984
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