Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jun 15, 2025

Detection and Isolation of Circulating Melanoma Cells using Photoacoustic Flowmetry

Detection and Isolation of Circulating Melanoma Cells using Photoacoustic Flowmetry

Published on: November 25, 2011

Multiwavelength Photoacoustic Doppler Flowmetry of Living Microalgae Cells.

Tayyab Farooq^1,2, Xiuru Wu¹, Sheng Yan³

¹Nanophotonic Research Center, Shenzhen Key Laboratory of Micro-Scale Optical Information Technology, Institute of Microscale Optoelectronics, Shenzhen 518060, China.

|August 28, 2024

Summary

Related Concept Videos

You might also read

Related Articles

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

Sort by

Same author

Convection enhanced phase change composite fibers for advanced thermal management.

Nature communications·2026

Same author

A Pump-Free, Magnetorheological-Elastomer-Driven Oscillatory Microfluidic Device for Cell Manipulation.

Analytical chemistry·2026

Same author

The Association of Plasma Osmolarity With No-Reflow in Patients With ST-Segment Elevation Myocardial Infarction: A Retrospective Cohort Study.

Cureus·2025

Same author

A Pump-Free, Hydraulic-Amplification Oscillatory Microfluidic Device for Continuous Particle and Cell Manipulation.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025

Same author

Polyethylene Glycol Diacrylate Adapted Photopolymerization Material for Contact Lens with Improved Elastic Modulus Properties.

Materials (Basel, Switzerland)·2025

Same author

Deciphering the Evolution of Inertial Migration in Serpentine Channels.

Analytical chemistry·2024

This study introduces photoacoustic flowmetry to measure microalgae flow characteristics and absorption spectra. This technique accurately identifies microalgae species, aiding cultivation and ecological studies.

Area of Science:

Biophotonics
Microfluidics
Spectroscopy

Background:

Microalgae possess photosynthetic pigments that absorb light.
Photoacoustics offers a direct method to measure light absorption.
Understanding microalgae flow and species is crucial for cultivation and ecological roles.

Purpose of the Study:

To develop and demonstrate photoacoustic flowmetry for analyzing living microalgae.
To measure microalgae flow characteristics (speed, angle, direction) and absorption spectra simultaneously.
To enable accurate discrimination of microalgae species in static and dynamic states.

Main Methods:

Utilizing photoacoustic flowmetry on living microalgae cells.
Employing a supercontinuum pulsed laser with intensity modulation for wavelength-selectable excitation.

Keywords:

Doppler flowmetry microalgae absorption spectroscopy microalgae flow measurement photoacoustic Doppler (PAD)supercontinuum laser

More Related Videos

Ovarian Cancer Detection Using Photoacoustic Flow Cytometry

Ovarian Cancer Detection Using Photoacoustic Flow Cytometry

Published on: January 17, 2020

Autofluorescence Imaging to Evaluate Red Algae Physiology

Autofluorescence Imaging to Evaluate Red Algae Physiology

Published on: February 17, 2023

Related Experiment Videos

Last Updated: Jun 15, 2025

Detection and Isolation of Circulating Melanoma Cells using Photoacoustic Flowmetry

Detection and Isolation of Circulating Melanoma Cells using Photoacoustic Flowmetry

Published on: November 25, 2011

Ovarian Cancer Detection Using Photoacoustic Flow Cytometry

Ovarian Cancer Detection Using Photoacoustic Flow Cytometry

Published on: January 17, 2020

Autofluorescence Imaging to Evaluate Red Algae Physiology

Autofluorescence Imaging to Evaluate Red Algae Physiology

Published on: February 17, 2023

Analyzing photoacoustic Doppler power spectra to derive flow and spectral information.

Main Results:

Successful measurement of microalgae flow characteristics and photoacoustic absorption spectra.
Demonstrated high accuracy in discriminating different microalgae species.
Validated the technique for both static and dynamic microalgae samples.

Conclusions:

Photoacoustic flowmetry is a powerful tool for simultaneous analysis of microalgae flow and spectral properties.
This method facilitates precise microalgae species identification, crucial for research and applications.
The technique supports advancements in microalgae cultivation and understanding their ecological impact.