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Related Concept Videos

PPE Use in Healthcare Settings II: Doffing01:10

PPE Use in Healthcare Settings II: Doffing

The sequence of removing or doffing PPE starts with the gloves, as they are the most contaminated. Next is removal of the face shield or goggles, as they would interfere with removing other PPE. Then remove the gown, followed by the mask or respirator. Perform hand hygiene between steps if hands become contaminated and immediately after removing all PPE. Generally, the outside front and sleeves of the isolation gown, the goggles or the mask, the respirator, and the face shield are contaminated.
PPE Use in Healthcare Settings I: Donning01:22

PPE Use in Healthcare Settings I: Donning

Donning PPE must be completed before contact with the patient. This process protects from infectious agents. The sequence and action included in each donning are critical, and the steps must be systematic to avoid exposure to pathogens. The institutional policy also needs to be followed while donning PPE. The pre-donning preparations are gathering equipment, inspecting the PPE equipment for tears, holes, or damage, removing jewelry, removing any garments below the elbows, and tying the hair...
Principle of Virtual Work: Problem Solving01:13

Principle of Virtual Work: Problem Solving

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Related Experiment Video

Updated: May 21, 2026

Virtual Reality Experiments with Physiological Measures
07:09

Virtual Reality Experiments with Physiological Measures

Published on: August 29, 2018

Audited credential delegation: a usable security solution for the virtual physiological human toolkit.

Ali N Haidar1, Stefan J Zasada, Peter V Coveney

  • 1Centre for Computational Science, University College London, 20 Gordon Street, London WC1H 0AJ, UK.

Interface Focus
|June 7, 2012
PubMed
Summary
This summary is machine-generated.

Audited Credential Delegation (ACD) enhances security for Virtual Physiological Human (VPH) projects by simplifying user authentication. This solution replaces complex digital certificates with local credentials, improving usability for scientists in e-health initiatives.

Keywords:
e-health securitygrid securityinformation assurancesecurity wrappers

Related Experiment Videos

Last Updated: May 21, 2026

Virtual Reality Experiments with Physiological Measures
07:09

Virtual Reality Experiments with Physiological Measures

Published on: August 29, 2018

Area of Science:

  • Biomedical Informatics
  • Computational Biology
  • Cybersecurity

Background:

  • Distributed Virtual Physiological Human (VPH) projects require robust security for data and resource sharing.
  • Current Public Key Infrastructure (PKI) solutions present significant usability challenges for end-users, hindering VPH project adoption.
  • Usability issues include complex credential acquisition and management, deterring scientists from utilizing distributed VPH environments.

Purpose of the Study:

  • To introduce Audited Credential Delegation (ACD) as a usable security solution for VPH environments.
  • To eliminate the need for end-users to manage digital certificates.
  • To facilitate secure authentication, authorization, and auditing in distributed VPH projects.

Main Methods:

  • Implementation of Audited Credential Delegation (ACD) for secure access.
  • Support for local credentials, including username-password combinations for grid-based resources.
  • Development of Shibboleth support for enhanced interoperability (underway).

Main Results:

  • ACD removes digital certificates from the end-user experience, significantly improving usability.
  • Local credentials (e.g., username-password) enable secure access to VPH resources.
  • ACD facilitates seamless and secure access to shared patient data, tools, and infrastructure.

Conclusions:

  • ACD offers a practical and usable security framework for distributed VPH projects.
  • The solution supports personalized medicine initiatives by enabling secure data and resource sharing.
  • ACD enhances participation in e-health projects at local and international scales.