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Hydrogels: from controlled release to pH-responsive drug delivery.
Hydrogels are one of the upcoming classes of polymer-based controlled-release drug delivery systems. Besides exhibiting swelling-controlled drug release, hydrogels also show stimuli-responsiveExpand
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Permeability issues in nasal drug delivery.
The nasal route is one of the most permeable and highly vascularized site for drug administration ensuring rapid absorption and onset of therapeutic action. It has been potentially explored as anExpand
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Electrochemically controlled drug delivery based on intrinsically conducting polymers.
This paper reviews the application of intrinsically conducting polymers (ICPs) in drug delivery. ICPs are organic polymers with electrical, magnetic and optical properties usually associated withExpand
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Effect of Dechlorinating Bacteria on the Longevity and Composition of PCE-Containing Nonaqueous Phase Liquids under Equilibrium Dissolution Conditions
The influence of dechlorinating microorganisms on PCE and its reduced end products in the presence of a PCE-containing nonaqueous phase liquid (NAPL) was investigated. Experiments were conducted inExpand
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Bioadhesive microspheres as a controlled drug delivery system.
The concept of controlled drug delivery has been traditionally used to obtain specific release rates or spatial targeting of active ingredients. The phenomenon of bioadhesion, introduced by Park andExpand
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Herbal medicines for sexually transmitted diseases and AIDS.
Sexually transmitted diseases (STDs) and acquired immunodeficiency syndrome (AIDS) are gaining significant importance at present due to rapid spread of the diseases, high cost of treatment, and theExpand
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Current Status of Drug Delivery Technologies and Future Directions
he number of products based on new drug delivery systems has significantly increased in the past few years, and this growth is expected to continue in the near future. Recent advances in the field ofExpand
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Formulation aspects in the development of osmotically controlled oral drug delivery systems.
Osmotically controlled oral drug delivery systems utilize osmotic pressure for controlled delivery of active agent(s). Drug delivery from these systems, to a large extent, is independent of theExpand
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Properties of a new acid-buffering bioadhesive vaginal formulation (ACIDFORM).
Vaginal prophylactic methodology may prevent heterosexual transmission of the HIV and other sexually transmitted disease-causing organisms as well as unplanned pregnancies. A new delivery systemExpand
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Ion-exchange resins: carrying drug delivery forward.
Ion-exchange resins (IER), or ionic polymer networks, have received considerable attention from pharmaceutical scientists because of their versatile properties as drug-delivery vehicles. In the pastExpand
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