Development of a zinc calcium phosphate ceramic system for antibiotic delivery

A. Lasserre, S. Wowk, D. Mudra, P. K. Bajpai, M. Cranfield
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Abstract

Sulfadimethoxine (SDM) is an antibiotic commonly used in veterinary medicine. A zinc calcium phosphate ceramic was used to deliver sulfadimethoxine. In-vitro release in 0.1 M sodium bicarbonate was studied over a period of twelve days. Fifty percent of the drug was released by the second day while a slower release of the drug was observed during the next 10 days. Incorporation of sodium bicarbonate into the ceramic resulted in the total release of the drug within two days. Development of a delivery system which would continuously deliver the drug for 10 days to a month could help in facilitating animal care.
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磷酸锌钙陶瓷给药系统的研制
磺胺二甲氧嘧啶(SDM)是一种常用的兽药抗生素。采用磷酸锌钙陶瓷来传递磺胺二甲氧嘧啶。在0.1 M碳酸氢钠中研究了12天的体外释放。第二天释放了50%的药物,而在接下来的10天内观察到药物的缓慢释放。将碳酸氢钠掺入陶瓷中可使药物在两天内全部释放。开发一种可以连续10天到一个月给药的给药系统有助于促进动物护理。
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