Search research articles

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

Real-Time Analysis of Oxygen Gradient in Oocyte Respiration Using a High-Density Microelectrode Array.

Biosensors·2021

See all related 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: Jul 15, 2025

Label-free Single Molecule Detection Using Microtoroid Optical Resonators

Label-free Single Molecule Detection Using Microtoroid Optical Resonators

Published on: December 29, 2015

Contactless Optical Liquid Identifier.

Yusra Obeidat¹, Eyas Abu Mousa¹, Razan Mushaljy¹

¹Electronics Engineering Department, Yarmouk University, 21163 Irbid, Jordan.

|October 2, 2023

Summary

This summary is machine-generated.

A new portable device identifies liquids using the Beer-Lambert law, recognizing up to 30 substances. This technology enables customized liquid analysis for various applications.

More Related Videos

Using Extraordinary Optical Transmission to Quantify Cardiac Biomarkers in Human Serum

Using Extraordinary Optical Transmission to Quantify Cardiac Biomarkers in Human Serum

Published on: December 13, 2017

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Published on: November 20, 2013

Related Experiment Videos

Last Updated: Jul 15, 2025

Label-free Single Molecule Detection Using Microtoroid Optical Resonators

Label-free Single Molecule Detection Using Microtoroid Optical Resonators

Published on: December 29, 2015

Using Extraordinary Optical Transmission to Quantify Cardiac Biomarkers in Human Serum

Using Extraordinary Optical Transmission to Quantify Cardiac Biomarkers in Human Serum

Published on: December 13, 2017

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors

Published on: November 20, 2013

Area of Science:

Analytical Chemistry
Spectroscopy
Portable Instrumentation

Background:

Accurate liquid identification is crucial across various scientific and industrial fields.
Existing methods for liquid analysis can be complex, costly, or lack portability.
The Beer-Lambert law provides a fundamental basis for quantitative analysis of light absorption by chemical species.

Purpose of the Study:

To develop a portable device for rapid and accurate liquid identification.
To enable users to customize the device for recognizing specific sets of up to 30 liquid substances.
To leverage the Beer-Lambert law for quantitative concentration measurements.

Main Methods:

Utilized the Beer-Lambert law principle for light absorption measurements.
Employed photodetectors to measure transmitted light intensity at various wavelengths.
Designed a cuvette system for a consistent 4 mL sample volume.
Developed user-configurable settings for measurement protocols.

Main Results:

Successfully developed a portable device capable of identifying up to 30 different liquid materials.
Demonstrated the device's ability to measure the concentration of common solvents like methanol and ethanol.
Established that light absorption, influenced by sample properties, serves as the primary indicator for liquid identification.

Conclusions:

The developed portable device offers a versatile solution for liquid identification and concentration analysis.
The user-customizable nature enhances its applicability across diverse scientific and industrial needs.
This instrument provides a practical implementation of the Beer-Lambert law for real-world applications.