Related Experiment Video

Updated: Aug 6, 2026

Assessing Replication and Beta Cell Function in Adenovirally-transduced Isolated Rodent Islets
09:31

Assessing Replication and Beta Cell Function in Adenovirally-transduced Isolated Rodent Islets

Published on: June 25, 2012

An in-vitro test for the duration of action of insulin suspensions

D T Graham, A R Pomeroy

    The Journal of Pharmacy and Pharmacology
    |July 1, 1984
    PubMed

    More Related Videos

    An In Ovo Model for Testing Insulin-mimetic Compounds06:09

    An In Ovo Model for Testing Insulin-mimetic Compounds

    Published on: April 23, 2018

    Homogeneous Time-resolved Förster Resonance Energy Transfer-based Assay for Detection of Insulin Secretion07:30

    Homogeneous Time-resolved Förster Resonance Energy Transfer-based Assay for Detection of Insulin Secretion

    Published on: May 10, 2018

    Related Concept Videos

    Bioequivalence studies: Biowaivers01:13

    Bioequivalence studies: Biowaivers

    In certain scenarios, in vitro dissolution tests can replace in vivo bioequivalence studies. This is particularly true when a drug product, though available in varying strengths, maintains proportional similarity in its active and inactive ingredients. In such cases, the need for in vivo bioequivalence studies for lower strength variants may be waived, provided dissolution tests and in vivo studies on the highest strength yield satisfactory results.Bioequivalence can be indicated through...
    In Vitro Drug Release Testing: Overview, Development and Validation01:10

    In Vitro Drug Release Testing: Overview, Development and Validation

    In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
    In Vitro Drug Dissolution: Compendial Testing Models I01:13

    In Vitro Drug Dissolution: Compendial Testing Models I

    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...
    In Vitro Drug Dissolution: Compendial Testing Models II01:09

    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, maintaining...
    In Vitro Drug Dissolution: Alternative Methods01:17

    In Vitro Drug Dissolution: Alternative Methods

    Alternative drug dissolution methods include the rotating bottle, intrinsic dissolution test, peristalsis, and the Franz diffusion cell method. The rotating bottle method involves meticulously rotating tightly capped controlled-release beads in a temperature-controlled bath. Periodic decanting of samples allows for residue assay, followed by refilling with fresh medium and testing at various pH levels to emulate the gastrointestinal tract conditions.In contrast, the intrinsic dissolution test...
    Insulin Formulations: Types and Delivery01:27

    Insulin Formulations: Types and Delivery

    Insulin preparations are categorized by their duration of action into short-acting and long-acting types. Two strategies are used to modify insulin's absorption and pharmacokinetic profile: slowing the absorption post-subcutaneous injection, or altering human insulin's amino acid sequence or protein structure. These changes retain the insulin's ability to bind to the insulin receptor, but alter its behavior in solution or after injection.
    Short-acting insulins are divided into rapid-acting...