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Updated: Jul 2, 2026

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Published on: July 10, 2015

Microalgae concentration system for early harmful algae bloom detection using inertial microfluidic focusing.

Dohyun Park¹, Marina Nichols², Qinmin Zheng³

¹Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Bioresource Technology

|April 16, 2026

Summary

This summary is machine-generated.

A novel microfluidic cell concentrator rapidly enriches microalgae from large volumes. This technology enhances early detection of harmful algal blooms by improving fluorescence signals for monitoring.

Keywords:

Cell concentrator Cyanobacteria HAB early detection Inertial microfluidics Microalgae

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Early Detection of Cyanobacterial Blooms and Associated Cyanotoxins using Fast Detection Strategy

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Last Updated: Jul 2, 2026

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

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Published on: July 10, 2015

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Early Detection of Cyanobacterial Blooms and Associated Cyanotoxins using Fast Detection Strategy

Early Detection of Cyanobacterial Blooms and Associated Cyanotoxins using Fast Detection Strategy

Published on: February 25, 2021

Area of Science:

Environmental Science
Biotechnology
Microfluidics

Background:

Early detection of harmful algal blooms (HABs) is crucial for environmental protection.
Conventional methods struggle with low microalgal abundance and limited sensitivity.

Purpose of the Study:

To develop a high-throughput microfluidic system for rapid microalgae pre-concentration.
To enhance the sensitivity of HAB detection methods.

Main Methods:

Integration of a multiplexed inertial microfluidic device with a recirculation system.
Demonstration of microalgae concentration using C. vulgaris and M. aeruginosa.
Utilizing a plate reader and excitation-emission matrix analysis for signal enhancement.

Main Results:

Achieved a 100-fold increase in cell density (from 10^5 to 10^7 cells/mL) within 90 minutes.
Demonstrated over 100-fold enhancement in fluorescence signal post-concentration.
Improved species-specific fluorescence signatures for better detection.

Conclusions:

The microfluidic concentrator enables rapid, scalable, and effective microalgae enrichment.
This technology offers a promising platform for early detection and monitoring of HABs.