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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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Body:Bioavailability is a critical factor in determining a drug's effectiveness. It refers to the proportion of a drug that enters the circulation when introduced into the body and is, as a result, able to have an active effect. Enhancing bioavailability is essential for drugs with poor solubility, as it can significantly impact their therapeutic efficacy. Various methods are employed to increase the solubility of drugs, thereby enhancing their bioavailability.Micronization and nanonization are...
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Body:Bioavailability is a critical pharmacological concept that measures the extent and rate at which an active drug ingredient or therapeutic moiety enters the systemic circulation, remaining unchanged. It's a pivotal factor in determining a drug's efficacy and safety.The Biopharmaceutics Classification System (BCS) plays an essential role in drug development by categorizing drugs into four classes based on their solubility and permeability. This classification aids in understanding drug...
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氨酸分子修饰提高其生物可访问性和生物转化.

Tongtong Zhang1,2,3, Ziyi Zhao1,2, Tao Xu1,2

  • 1State Key Laboratory of Synthetic Biology, School of Synthetic Biology and Biomanufacturing, Tianjin University, Tianjin 300072, China.

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|November 18, 2025
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概括

用水友性群组修改红素提高了其分散性和微生物转化. 这增强了Rhodococcus opacus PD630的素生物转化成脂质,特别是与氧甲基化-氨基化相结合.

关键词:
生物可访问性 生物可访问性生物炼油厂是一个生物炼油厂.生物转化是一种生物转化.水友性功能组是水友性的功能组.的价值化 的价值化分子修饰的分子修饰.

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科学领域:

  • 生物技术是生物技术.
  • 生物化学 生物化学
  • 微生物工程 微生物工程

背景情况:

  • 红素在水性介质中的差分散性限制了其微生物转化.
  • 提高红素的生物可访问性对于其有效利用至关重要.

研究的目的:

  • 通过引入水友性功能组来修改酶性水解红素 (EHL).
  • 为了提高素的分散性,并增强其生物转化为脂质.

主要方法:

  • 酶性水解红素 (EHL) 通过基甲基化,碳氧甲基化和氨基化进行了修饰.
  • 测量了改性素 (H-EHL,C-EHL,HA-EHL,CA-EHL) 的颗粒大小减小.
  • Rhodococcus opacus PD630被用于生物转化改性素变成脂质.

主要成果:

  • 修改后的素显示了平均粒子直径的减少 (例如,HA-EHL: 181 nm,CA-EHL: 169 nm).
  • 与EHL相比,修饰的素介质中的细胞干量显著增加 (例如,HA-EHL:57%).
  • 在所有修饰的素中,脂质的产生增加,HA-EHL比EHL增加了41%.

结论:

  • 分子修饰有效地提高了在发酵介质中的素分散性.
  • 改善的分散性促进了高效的素生物转化成有价值的产品,如脂质.
  • 结合基甲基化-氨基化 (HA-EHL) 在素生物转化中表现出优异的性能.