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Design of Controlled Release Drug Delivery Systems by Xiaoling Li

By Xiaoling Li

The aim of each drug supply procedure is to bring the suitable volume of a drug at a pre-programmed expense to the specified place in an effort to in attaining the drug point worthy for the therapy. a necessary advisor for biomedical engineers and pharmaceutical designers, this source combines physicochemical ideas with physiological strategies to facilitate the layout of platforms that might bring drugs on the time and position it truly is such a lot wanted.

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Assoc. 47:657–660, 1958. 9. T. Higuchi, M. Gupta, and L. W. Busse. Influence of electrolyte, pH, and alcohol concentration on the solubilities of acidic drugs. J. Am. Pharm. Assoc. 42:157–161, 1953. 10. W. I. Higuchi, N. A. Mir, and S. J. Desai. Dissolution rates of polyphase mixtures. J. Pharm. Sci. 54:1405–1410, 1965. 11. R. G. Stehele and W. I. Higuchi. Diffusional model for transport rate studies across membranes. J. Pharm. Sci. 56:1367–1368, 1967. 12. T. Yotsuyanagi, W. I. Higuchi, and A. H.

3 half-lives, Cp is at approximately 90 percent of its true steady-state value; at 5 half-lives, Cp is at approximately 96 percent of its true steady-state value. Zero-order input and one-compartment disposition (I0D1). In the case of IBD1 single-dose input, the Cp kinetic profile is given by Eq. 43) for any time t after the bolus dose has been given: Multiple instantaneous input and one-compartment disposition (IBD1). 3t1/2 MTC 10t1/2 5t1/2 3t1/2 2t1/2 20 MEC 1t1/2 10 0 0 20 40 60 80 Time 100 120 140 Cp versus time profile for zero-order input and one-compartment disposition.

N. Watari and L. Z. Benet. Determination of mean input time, mean residence time, and steady-state volume of distribution with multiple drug inputs. J. Pharm. Biopharm. 17:593-599, 1989. 37. H. Cheng, W. R. Gillespie, and W. J. Jusko. Review article: mean residence time concepts for non-linear pharmacokinetic systems. Biopharm. Drug Dispos. 15:627–641, 1994. 38. E. Martin, T. N. Tozer, L. B. Sheiner, and S. Riegelman. The clinical pharmacokinetics of phenytoin. J. Pharm. Biopharm. 5:579–596, 1977.

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