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関連する概念動画

Transdermal Drug Delivery Systems01:18

Transdermal Drug Delivery Systems

3
Transdermal drug delivery systems (TDDS) enable the controlled release of drugs across the skin into systemic circulation. They are particularly advantageous for drugs with short half-lives or narrow therapeutic indices, as they maintain consistent plasma concentrations and reduce the risk of subtherapeutic or toxic levels.TDDS are categorized into monolithic, reservoir, and mixed systems. Monolithic systems embed the drug in a polymer matrix, where diffusion governs release. Reservoir systems...
3
Ophthalmic Drug Delivery Systems01:23

Ophthalmic Drug Delivery Systems

1
Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...
1
Intrauterine Drug Delivery Systems01:21

Intrauterine Drug Delivery Systems

1
Controlled-release systems for intravaginal and intrauterine drug delivery have been developed primarily for the administration of contraceptive steroid hormones. These delivery routes circumvent first-pass hepatic metabolism, thereby enhancing bioavailability and allowing for reduced systemic dosages compared to oral administration. Such approaches contribute to improved therapeutic efficacy and patient compliance, particularly in long-term contraceptive regimens.Intravaginal Drug Delivery...
1
Drug Delivery Systems: Different Types01:27

Drug Delivery Systems: Different Types

1
Conventional oral drug products, termed immediate-release (IR) formulations, are engineered to promptly release their active pharmaceutical ingredient (API) upon ingestion, typically in tablets or capsules. This rapid release often results in swift drug absorption and consequent pharmacodynamic effects, although the timing and intensity can vary depending on the drug's properties. Prodrugs within these formulations require metabolic conversion to activate their pharmacodynamic effects,...
1
Oral Drug Delivery Systems: Continuous-Release Systems01:26

Oral Drug Delivery Systems: Continuous-Release Systems

1
Continuous-release drug delivery systems offer a strategic approach to maintaining therapeutic drug levels over extended periods following oral administration. By modulating the release rate of active pharmaceutical ingredients, these systems minimize fluctuations in plasma concentrations, which enhances clinical efficacy and reduces the need for frequent dosing. Such characteristics make them particularly advantageous in managing chronic diseases where patient adherence and stable drug...
1
Oral Drug Delivery Systems: Delayed-Release Systems01:11

Oral Drug Delivery Systems: Delayed-Release Systems

2
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...
2

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Updated: Feb 13, 2026

Synthesis of Keratin-based Nanofiber for Biomedical Engineering
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ナノファイバーベースのプロバイオティクスの配達システムにおける最近の進歩

Xuemin Qin1, Mengmei Xu1, Hanglian Lan2

  • 1Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing Technology and Business University (BTBU), Beijing, China.

Critical reviews in food science and nutrition
|February 12, 2026
PubMed
まとめ

ナノファイバーは,プロバイオティクスの供給のための新しい解決策を提供し,これらの有益な微生物を厳しい胃腸疾患から保護します. このレビューでは,ナノファイバーのカプセル化がプロバイオティクスの生存能力と機能を向上させる方法を調査します.

キーワード:
コントロールされた放出によって放出されます.胃腸の安定性についてナノファイバーナノファイバープレビオティック・プレビオティックプロバイオティクスのプロバイオティクスは,

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科学分野:

  • バイオテクノロジー バイオテクノロジー
  • マテリアルサイエンス 材料科学
  • 微生物学 微生物学とは

背景:

  • プロバイオティクスは健康に有益ですが,消化器系の問題により生存能力に問題があります.
  • 既存の投与方法は,プロバイオティクスを保護する上で限界に直面しています.
  • ナノファイバーは,プロバイオティクスの封じ込みを強化するための有望なマトリックスです.

研究 の 目的:

  • ナノファイバーを用いたプロバイオティクスのカプセル化における最近の進歩を体系的に検討する.
  • ナノファイバー製造における天然,合成,複合バイオポリマーの使用を分析する.
  • プロバイオティクスの配達システムの強化におけるプレバイオティクスの役割について議論する.

主な方法:

  • プロバイオティクスのナノファイバー包装に焦点を当てた文献レビュー.
  • ナノファイバー壁の建設に使用される異なるバイオポリマー材料の分析.
  • ナノファイバーマトリックス内のプロバイオティクスの生命力,安定性,機能性の評価.

主要な成果:

  • ナノファイバーは,プロバイオティクスを効果的に封じ込み,その生存率と有効性を向上させます.
  • 様々なバイオポリマー (天然,合成,複合) がナノファイバー生産に適していることが示されています.
  • プリバイオティクスの組み込みは,プロバイオティクスを含んだナノファイバーの利点をさらに強化します.

結論:

  • ナノファイバー包装は,プロバイオティクスの配達と機能を向上させるための優れた戦略です.
  • 材料の最適化とインビボ研究に関するさらなる研究が必要である.
  • この技術は,機能性食品や治療用途において大きな可能性を秘めています.