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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Bioavailability Enhancement: Drug Stability Enhancement and GI Retention01:05

Bioavailability Enhancement: Drug Stability Enhancement and GI Retention

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Body:Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
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Modified-Release Drug Delivery Systems: Site-Targeted01:24

Modified-Release Drug Delivery Systems: Site-Targeted

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Site-targeted drug delivery systems enhance therapeutic efficacy while minimizing systemic toxicity and treatment costs. Unlike conventional methods, these systems ensure precise drug delivery, improving bioavailability and reducing side effects. Targeted drug delivery is classified into three levels. First-order targeting directs drugs to the capillary beds of specific organs or tissues. Second-order targets specific cell types, such as tumor cells, using receptor-mediated interactions.
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Modified-Release Drug Delivery Systems: Overview01:19

Modified-Release Drug Delivery Systems: Overview

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Modified-release dosage forms are designed to address the limitations of drugs with short biological half-lives. These forms maintain stable therapeutic drug concentrations over extended periods, reducing the need for frequent dosing. A consistent drug level helps minimize peak-trough fluctuations, which can reduce adverse effects, lower the risk of drug resistance, and improve overall treatment effectiveness.One common type of modified-release form is the extended-release (ER) formulation. ER...
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Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

Site-Targeted Drug Delivery Systems: Polymeric Carriers

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Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
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Oral Drug Delivery Systems: Delayed-Release Systems01:11

Oral Drug Delivery Systems: Delayed-Release Systems

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Delayed-release drug delivery systems are specialized pharmaceutical formulations designed to postpone the release of active compounds until the drug reaches a specific region of the gastrointestinal (GI) tract, typically the intestine. These systems are essential for drugs that may cause gastric irritation, are unstable in acidic environments, or need to exert therapeutic effects locally in the intestinal or colonic regions.The core feature of delayed-release systems is the use of enteric...
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Video Experimental Relacionado

Updated: Feb 20, 2026

Author Spotlight: Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality
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Tecnologías de Microencapsulación de Nueva Generación para la Protección de Probióticos y la Administración de

Yixin Zhu1, Longxian Lv2, Bingbing Du1

  • 1Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China.

Microbial biotechnology
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Resumen

La microencapsulación protege a los probióticos beneficiosos durante la administración oral, mejorando su supervivencia y eficacia terapéutica. Esta revisión explora técnicas avanzadas para mejorar la estabilidad y la administración dirigida de probióticos.

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Área de la Ciencia:

  • Microbiología
  • Biotecnología
  • Ciencia de los materiales

Sus antecedentes:

  • Los probióticos brindan beneficios para la salud, pero luchan por sobrevivir a la administración oral.
  • El ácido gástrico, las sales biliares y las condiciones intestinales reducen la viabilidad de los probióticos.
  • La microencapsulación ofrece una solución para proteger los probióticos.

Objetivo del estudio:

  • Revisar materiales y técnicas avanzadas de microencapsulación para probióticos.
  • Examinar estrategias para mejorar la estabilidad y la administración dirigida de probióticos.
  • Evaluar la seguridad y la escalabilidad para aplicaciones industriales.

Principales métodos:

  • Revisión exhaustiva de la literatura sobre tecnologías de microencapsulación.
  • Análisis de materiales y técnicas para la protección de probióticos.
  • Evaluación de sistemas avanzados de administración, como microcápsulas sensibles al pH y dirigidas a la inflamación.

Principales resultados:

  • Los materiales y técnicas de vanguardia mejoran significativamente la estabilidad de los probióticos.
  • Los sistemas avanzados de administración garantizan la liberación intestinal precisa y la colonización.
  • Los desafíos de seguridad y escalabilidad requieren una mayor investigación.

Conclusiones:

  • La microencapsulación de próxima generación promete terapias probióticas más seguras y efectivas.
  • Los materiales biocompatibles y la producción rentable son cruciales para la escalabilidad.
  • Los tratamientos probióticos personalizados pueden habilitarse a través de sistemas de administración avanzados.