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関連する概念動画

Applications of Normal Distribution01:22

Applications of Normal Distribution

9.1K
The normal distribution is a useful statistical tool. One of its practical applications is determining the door height after considering the normal distribution of heights of persons, such that many can pass through it easily without striking their heads. The normal distribution can also determine the probability of a person having a height less than a specific height.
The heights of 15 to 18-year-old males from Chile from 1984 to 1985 followed a normal distribution. The mean height is 172.36...
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Extraction: Partition and Distribution Coefficients01:14

Extraction: Partition and Distribution Coefficients

4.6K
The distribution law or Nernst's distribution law is the law that governs the distribution of a solute between two immiscible solvents. This law, also known as the partition law, states that if a solute is added to the mixture of two immiscible solvents at a constant temperature, the solute is distributed between the two solvents in such a way that the ratio of solute concentrations in the solvents remains constant at equilibrium.
For extracting a solute from an aqueous phase into an...
4.6K
Drug Biotransformation: Overview01:16

Drug Biotransformation: Overview

3.7K
Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
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Drug Biotransformation: Overview01:28

Drug Biotransformation: Overview

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Biotransformation, also known as drug metabolism, is a vital physiological process that chemically alters drugs, facilitating their elimination from the body and terminating their action. This process involves two main phases: phase I and phase II reactions. Phase I reactions, including oxidation, reduction, and hydrolysis, introduce or unmask polar functional groups on the drug molecule, thereby increasing its water solubility. By enhancing water solubility, the drug becomes more hydrophilic...
2.5K
Factors Affecting Drug Biotransformation: Biological01:19

Factors Affecting Drug Biotransformation: Biological

527
Biological factors significantly impact drug metabolism, influencing drug clearance, efficacy, and potential toxicity.
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
527
Factors Affecting Drug Biotransformation: Physicochemical and Chemical Properties of Drugs01:21

Factors Affecting Drug Biotransformation: Physicochemical and Chemical Properties of Drugs

724
A drug's physicochemical properties fundamentally influence its metabolism. For instance, a drug's molecular size and shape critically determine its interaction with enzymes and transporters — larger drugs may face difficulty reaching enzyme active sites, altering their metabolic pathways. The pKa of a drug, which establishes its ionization state, can impact its solubility and absorption, thereby influencing metabolism.
The drug's acidity or basicity is essential in...
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Updated: Jan 23, 2026

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro
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ポリフェノール：分布、抽出、生物活性、生体内変換、および応用

Rong-Rui Wei1, Qin-Ge Ma1, Wen-Min Liu2

  • 1College of Medicine and Health Science ＆ School of Life Science and Technology, Wuhan Polytechnic University, Wuhan 430023, China.

Combinatorial chemistry & high throughput screening
|January 22, 2026
PubMed
まとめ
この要約は機械生成です。

多様な健康効果（抗酸化作用や抗がん作用など）を持つ植物由来化合物であるポリフェノールは、様々な産業で広く見られ、利用されている。本レビューは、その抽出、生物活性、応用を要約し、さらなる研究を促進するものである。

キーワード:
ポリフェノール生体内変換分布の多様性利用と応用抽出プロセス薬理活性

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Patterning Bioactive Proteins or Peptides on Hydrogel Using Photochemistry for Biological Applications
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Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications
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Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications

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Last Updated: Jan 23, 2026

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Patterning Bioactive Proteins or Peptides on Hydrogel Using Photochemistry for Biological Applications
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Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications
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科学分野:

  • 植物生化学および天然物研究。

背景:

  • ポリフェノールは、顕著な生物活性特性を持つ植物由来の代謝物である。;様々な植物組織に豊富に存在し、かなりの研究ポテンシャルを秘めている。

研究 の 目的:

  • ポリフェノールの分布、抽出、生物活性、生体内変換、および応用を包括的にレビューすること。;ポリフェノールの効率的な利用を促進し、将来の研究の方向性を刺激すること。

主な方法:

  • 157の参考文献の体系的な文献レビュー。;主要な科学データベース（PubMed、Web of Science、Scopusなど）からのデータ収集。

主要な成果:

  • ポリフェノールは、抗酸化作用、抗菌作用、抗がん作用、抗炎症作用、血糖降下作用、抗肥満作用など、広範な生物活性を示す。;食品、医薬品、産業分野にわたる多様な応用がある。;様々なポリフェノールサブクラス（例：アントシアニジン、フラボノール、タンニン）の生体内変換を分析した。

結論:

  • 本レビューは、ポリフェノールの知識、その供給源、抽出、機能、および用途を網羅した包括的な要約を提供する。;発見は、ポリフェノールの実際的な応用を強化し、新しい研究分野を刺激することを目的としている。