関連する実験動画

Updated: Feb 25, 2026

An In Vitro Dissolution Determination of Multi-Index Components in Tibetan Medicine Rhodiola Granules
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An In Vitro Dissolution Determination of Multi-Index Components in Tibetan Medicine Rhodiola Granules

Published on: November 4, 2022

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ディゴキシン製品品質の評価に関する溶解方法の適切性

Rizwan Shaikh1, Swaroop J Pansare1, Bhanu P Dongala1

  • 1Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX, USA.

AAPS PharmSciTech
|February 23, 2026
PubMed
まとめ

新しいUPLC方法は,ディゴキシン (DGX) と不純物質を正確に定量化します. ディゴキシン錠剤はUSP検査および水中の溶解基準を満たしたが,酸に分解し,安定性の問題は溶解に影響した.

キーワード:
結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,結晶度 (Crystallinity) とは,ディゴキシン (Digoxin) とは解散 解散 解散するスペクトロフローロメーターは,安定性の安定性とは検証 検証 検証

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The acceptance criteria for dissolution profile data are anchored in Q values, representing the percentage of drug dissolved within a specified period. This assessment unfolds in three stages:First Stage: The test passes if all six drug dosage units are equal to or greater than Q plus 5%; otherwise, the sample proceeds to the second stage.Second Stage: The average of twelve units must be equal to or greater than Q, with no unit falling below Q - 15% to pass; if not, it progresses to the final...
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Compendial dissolution methods are standardized procedures defined by pharmacopeias to evaluate the rate at which a drug dissolves in a specific medium. These methods ensure batch-to-batch consistency, enable quality control, and support the prediction of drug bioavailability. They are critical for both immediate and modified-release drug products.The apparatuses used for dissolution testing differ in their design and mechanical function, but all aim to simulate the physiological environment of...
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In Vitro Drug Dissolution: Compendial Testing Models II

Various dissolution methods are utilized to assess a drug’s dissolution rate, including the flow-through cell, paddle-over-disk, cylinder, and reciprocating disk methods.The flow-through cell apparatus (USP (United States Pharmacopeia) method 4) comprises a reservoir for the dissolution medium and a pump that propels the medium through the cell containing the test sample. This method is crucial for assessing modified-release dosage forms with minimally soluble active ingredients,...
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Product specifications define the acceptable quality of a pharmaceutical product by ensuring identity, purity, potency, and strength. These specifications serve as benchmarks during development, manufacturing, and post-approval quality control. Clinically relevant specifications are particularly important because they directly relate to a drug's safety and efficacy in clinical use.Dissolution studies are critical biopharmaceutic tools that link in vitro behavior to in vivo performance. They...
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