Noise Exposure Model
Noise Exposure Model - Related Videos
10:07
Assessing Teratogenic Changes in a Zebrafish Model of Fetal Alcohol Exposure
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Cited by 34 •
2012
In order to understand the molecular mechanisms of the ethanol-induced developmental damage, we have developed a zebrafish model of ethanol exposure and are exploring the physical, cellular, and genetic alterations that occur after ethanol exposure1. We then seek to find potential interventions and rapidly test them in this animal model.
09:43
Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores
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Cited by 18 •
2013
A methodology for preparing solid-state nanopores in solution for biomolecular translocation experiments is presented. By applying short pulses of high electric fields, the nanopore diameter can be controllably enlarged with subnanometer precision and its electrical noise characteristics significantly improved. This procedure is performed in situ using standard laboratory equipment under experimental conditions.
08:17
Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
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Cited by 7 •
2017
This study describes the successful generation of a new chronic obstructive pulmonary disease (COPD) animal model by repeatedly exposing mice to high concentrations of ozone.
02:35
Continuous Monitoring of Biological Noise in Bacteria Using Time-Lapse Microscopy
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2025
Source: Chaimovitz, E. A., et al. Continuous Measurement of Biological Noise in Escherichia Coli Using Time-lapse Microscopy. J. Vis. Exp. (2021)This video demonstrates real-time visualization of biological noise in E. coli by tracking fluctuations in GFP fluorescence during bacterial growth and division using time-lapse microscopy.
01:52
Inducing Hearing Loss in Mice Through Prolonged High-Volume Sound Exposure
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2025
Source: Lee, D. et. al., Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage. J. Vis. Exp. (2023)This video demonstrates the procedure of noise-induced hearing loss in mice. High-volume sound damages hair cells in the inner ear and disrupts auditory pathways, resulting in hearing impairment.
FAQs
The model evaluates these variables together because risk depends on the pattern of exposure, not on sound intensity alone. Higher levels, particular frequency characteristics, and longer durations can alter the estimated overall burden. Combining them across time helps relate real-world exposure patterns to outcomes such as hearing damage, sleep disruption, and stress.
Cumulative dose captures the combined contribution of repeated or variable exposures. Instead of treating each sound event as unrelated, the model weights exposure over time and expresses the result relative to established limits. This approach is useful when a person encounters different sound levels during work or environmental activities, producing a more representative exposure estimate.
A single measurement may describe sound at one place and moment, whereas the model incorporates exposure across time. It can use measured or predicted levels and account for duration and changing conditions. The resulting estimate supports evaluation of a person’s overall exposure pattern rather than relying on one isolated observation.
Frequency is one of the sound characteristics incorporated into exposure estimates alongside intensity and duration. Including it allows investigators to describe exposure more completely when examining possible relationships with hearing damage, sleep disruption, stress, or other health outcomes. This broader characterization can improve comparisons among different occupational and environmental noise conditions.
First, researchers obtain measured or predicted sound levels and organize them across the relevant exposure period. They then account for intensity, frequency, duration, and repeated or variable exposures, using weighting where appropriate. Finally, the model produces a cumulative dose that can be compared with established limits or used in health-outcome analyses.
Researchers apply it to occupational and environmental noise studies when they need to connect exposure patterns with health outcomes. The estimates can support investigations of hearing damage, sleep disruption, stress, and effects in vulnerable populations. By standardizing exposure assessment, the model also helps compare groups or settings with different noise conditions.
Results can inform workplace monitoring, prevention strategies, and decisions about protective equipment by showing how exposure accumulates relative to established limits. They also help identify conditions requiring closer assessment, including repeated or variable noise. In public health research, the same information supports evaluation of which populations may experience greater exposure-related health risks.