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Related Concept Videos

Drug Discovery: Overview01:26

Drug Discovery: Overview

Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
Quantitative Aspects of Drug-Receptor Interaction01:30

Quantitative Aspects of Drug-Receptor Interaction

The receptor occupancy theory connects a drug's response to the number of occupied receptors. With higher drug concentrations, more receptors are occupied, leading to increased responses. The formation of drug-receptor complexes involves association and dissociation rates, which reach equilibrium when the forward and backward reactions are equal. The equilibrium association constant (Ka) and its inverse, the equilibrium dissociation constant (Kd), indicate drug affinity. Higher Ka and lower Kd...
Biopharmaceutics and Pharmacokinetics: Overview01:28

Biopharmaceutics and Pharmacokinetics: Overview

Understanding drugs, drug products, and their performance in pharmaceutical science is pivotal. Drugs, whether simple molecules or complex compounds, are designed to interact with the body's biological systems to diagnose, treat, or prevent diseases. Drug products include various delivery systems such as tablets, capsules, injections, and inhalers. The performance of these drug products is gauged by their ability to deliver the active ingredient to the desired site of action at the appropriate...
Protein-Protein Interfaces02:04

Protein-Protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Drug-Receptor Interactions01:29

Drug-Receptor Interactions

Drug-receptor interaction describes the binding of receptors by drugs, but not all drug-receptor interactions result in activation and tissue response. For instance, the binding of agonists activates the receptor to generate a cellular reaction, while antagonists bind to receptors without causing their activation.
Several parameters, such as the drug's affinity for its receptor and its efficacy, which is its ability to activate the receptor, determine the drug's effect on the tissue.

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Related Experiment Video

Updated: Jun 17, 2026

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
05:10

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System

Published on: December 11, 2016

PubMed reloaded: new interface, enhanced discovery.

E Giglia1, O Spinelli

  • 1University of Turin, Turin, Italy. elena.giglia@unito.it

European Journal of Physical and Rehabilitation Medicine
|December 25, 2009
PubMed
Summary
This summary is machine-generated.

The redesigned PubMed interface offers a simplified visualization for easier resource discovery. Key differences between the old and new versions are highlighted, focusing on user experience improvements.

Related Experiment Videos

Last Updated: Jun 17, 2026

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
05:10

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System

Published on: December 11, 2016

Area of Science:

  • Biomedical Informatics
  • Information Science

Background:

  • PubMed is a widely recognized database for biomedical literature.
  • The existing PubMed interface has been in use for a significant period.
  • User feedback and evolving design principles necessitate interface updates.

Purpose of the Study:

  • To introduce the redesigned PubMed interface.
  • To detail the visual and usability enhancements in the new version.
  • To compare the key differences between the legacy and updated PubMed platforms.

Main Methods:

  • Descriptive analysis of the redesigned PubMed interface.
  • Comparative review of the previous and current PubMed versions.
  • Focus on user-centric design principles and visualization changes.

Main Results:

  • The new PubMed interface features a simplified visual design.
  • Efforts required to locate resources have been reduced.
  • Core functionalities and search processing remain consistent.

Conclusions:

  • The redesigned PubMed interface prioritizes enhanced user experience through simplified visualization.
  • The update aims to improve the efficiency of information retrieval for users.
  • Understanding the differences aids users in adapting to the new platform.