Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Relative Risk01:12

Relative Risk

Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
Odds Ratio01:09

Odds Ratio

The odds ratio (OR) is a statistical measure used extensively in epidemiology and research to quantify the strength of association between exposure and outcome across different groups. Unlike relative risk, which compares the probabilities of an event occurring, the odds ratio compares the odds of an event occurring in the exposed group to the odds of it occurring in the unexposed group. The odds, in this context, are calculated as the probability of the event happening divided by the...
Hazard Rate01:11

Hazard Rate

The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
Toxicity Testing in Animals01:23

Toxicity Testing in Animals

Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
Pharmacokinetic–Pharmacodynamic Relationship: Exposure, Response and Effect01:26

Pharmacokinetic–Pharmacodynamic Relationship: Exposure, Response and Effect

The pharmacokinetic-pharmacodynamic (PK-PD) relationship describes the intricate link between drug exposure, efficacy, and toxicity, forming the foundation for optimal dosing regimens. This relationship uses mathematical modeling to characterize drug concentration-effect dynamics, ensuring precise therapeutic outcomes.Exposure represents the pharmacokinetic aspect of the PK-PD relationship, denoting the drug amount that elicits a biological response. It is typically quantified by administered...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Overlooked considerations in prescribing green and blue infrastructure solutions for urban environments.

Innovation (Cambridge (Mass.))·2026
Same author

Increasing synchronicity of global extreme fire weather.

Science advances·2026
Same author

National Aquatic Resource Surveys (NARS): the foundation for long-term aquatic monitoring data across the United States.

Environmental monitoring and assessment·2025
Same author

The EPA's shaken foundation.

Science (New York, N.Y.)·2025
Same author

Tackling Cumulative Impacts: The U.S. Environmental Protection Agency's Whole-of-Agency Approach.

EM (Pittsburgh, Pa.)·2025
Same author

Spreading the Word: Sharing EPA's COVID-19 Research Results.

EM plus·2025

Related Experiment Video

Updated: Jun 25, 2026

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints
08:42

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints

Published on: August 29, 2014

Probabilistic exposure analysis for chemical risk characterization.

Kenneth T Bogen1, Alison C Cullen, H Christopher Frey

  • 1Exponent Health Sciences, Oakland, California 94607, USA. kbogen@exponent.com

Toxicological Sciences : an Official Journal of the Society of Toxicology
|February 19, 2009
PubMed
Summary
This summary is machine-generated.

Probabilistic exposure assessment (PEA) methods are sufficient for chemical risk characterization. PEA effectively supports quantitative toxicity risk analyses for health protection and justice-related decision-making.

More Related Videos

A New Portable In Vitro Exposure Cassette for Aerosol Sampling
07:01

A New Portable In Vitro Exposure Cassette for Aerosol Sampling

Published on: February 22, 2019

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation
16:02

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation

Published on: February 10, 2023

Related Experiment Videos

Last Updated: Jun 25, 2026

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints
08:42

An Inverse Analysis Approach to the Characterization of Chemical Transport in Paints

Published on: August 29, 2014

A New Portable In Vitro Exposure Cassette for Aerosol Sampling
07:01

A New Portable In Vitro Exposure Cassette for Aerosol Sampling

Published on: February 22, 2019

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation
16:02

Demonstration of the Sequence Alignment to Predict Across Species Susceptibility Tool for Rapid Assessment of Protein Conservation

Published on: February 10, 2023

Area of Science:

  • Environmental Health Sciences
  • Toxicology
  • Risk Assessment

Background:

  • Probabilistic exposure assessment (PEA) is crucial for chemical risk characterization.
  • Existing methods are continuously refined for accuracy and applicability.

Purpose of the Study:

  • To review current probabilistic risk analysis methods for PEA.
  • To discuss PEA in risk-based decision making, including uncertainty and variability.
  • To present examples of PEA applications in chemical risk assessment.

Main Methods:

  • Review of current probabilistic risk analysis techniques.
  • Analysis of PEA applications in environmental chemical exposure and risk characterization.
  • Identification of information needs for diverse decision contexts.

Main Results:

  • Current PEA methods are adequate for quantitative toxicity risk analysis.
  • PEA supports decision-making in health protection, civil, and criminal justice.
  • Specific PEA methods are suitable for different exposure assessment contexts.

Conclusions:

  • Existing PEA methodologies are effective for chemical risk characterization.
  • PEA plays a vital role in quantitative risk assessment and informed decision-making.
  • Tailored PEA approaches are necessary for diverse applications.