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Updated: Feb 16, 2026

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A New Portable In Vitro Exposure Cassette for Aerosol Sampling
Published on: February 22, 2019
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A Portable, Discrete-Sampling Submersible Plankton Pump and Its Use in Sampling Starfish Eggs.
The Biological Bulletin
|December 28, 2017
Summary
Divers can now collect discrete water samples underwater using a new apparatus. This flexible device allows for filtering large volumes without surfacing, ideal for sampling invertebrate eggs and other plankton.
Area of Science:
- Marine Biology
- Oceanography
- Environmental Science
Background:
- Subsurface water sampling presents challenges for divers, often requiring surface contact or return.
- Accurate collection of discrete samples from known volumes is crucial for ecological studies.
Purpose of the Study:
- To introduce a novel apparatus for in-situ subsurface water sampling.
- To enable divers to collect replicate samples of known volumes efficiently underwater.
Main Methods:
- Development of a specialized apparatus for filtering large water volumes underwater.
- Apparatus designed for discrete, replicate sampling without surfacing.
Main Results:
- The apparatus allows for flexible subsurface sampling in various marine environments.
- Successful collection of invertebrate egg samples was demonstrated.
Conclusions:
- The developed apparatus enhances the capability for subsurface ecological sampling.
- This tool is versatile for studying patchily distributed plankton and other small organisms.
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