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

Related Concept Videos

Van de Graaff Generator

Van de Graaff Generator

Van de Graaff generators (or Van de Graaffs) are devices used to demonstrate high voltage due to static electricity that can also be used for research. Robert Van de Graaff first built one in 1931 (based on original suggestions by Lord Kelvin) for use in nuclear physics research.
Van de Graaff uses both smooth and pointed surfaces, conductors, and insulators to generate large static charges and, hence, large voltages. A substantial excess charge can be deposited on the sphere because it moves...

You might also read

Related Articles

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

Sort by

Same author

Quasi-bound states in the continuum driven photoresponse in multiple quantum wells for machine vision.

Light, science & applications·2026

Same author

Self-assembly of tumor-related vascularized colorectal tumoroid-on-a-chip for precision medicine drug testing.

Cell reports. Medicine·2026

Same author

Retraction notice to "LATS2 promotes apoptosis in non-small cell lung cancer A549 cells via triggering Mff-dependent mitochondrial fission and activating the JNK signaling pathway" [Biomedicine & Pharmacotherapy 109 (2019) 679-689].

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie·2026

Same author

Photocurrent modulation through controlled beam steering via phase-gradient metasurfaces.

Optics letters·2026

Same author

Metasurface-integrated VCSEL and metalens cascade for line-shaped top-hat beam generation.

Optics express·2026

Same author

In Situ Elucidations of the Mechanism for Inert Molecular N<sub>2</sub>O Decomposition at Low Temperature Catalyzed by High-Index Interfacial Exposed Co<sub>3</sub>O<sub>4</sub>.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

Search research articles

Related Experiment Video

Updated: Sep 19, 2025

Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site

Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site

Published on: July 24, 2018

High-Output Droplet Electricity Generator for Intelligent Self-Powered Biochemical Analysis.

Zihan Jin^1,2, Yuhang Xue¹, Lunyi Yuan¹

¹Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China.

Analytical Chemistry

|June 10, 2025

Summary

This summary is machine-generated.

A new self-powered electronic tongue (e-tongue) offers enhanced stability and sensitivity for detecting chemical and biological substances. This miniaturized intelligent self-powered e-tongue (MISET) system utilizes droplet energy generation and deep learning for improved real-time analysis.

More Related Videos

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics

Published on: November 10, 2014

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education

Published on: April 26, 2021

Related Experiment Videos

Last Updated: Sep 19, 2025

Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site

Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site

Published on: July 24, 2018

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics

Published on: November 10, 2014

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education

Published on: April 26, 2021

Area of Science:

Analytical Chemistry
Biosensors
Materials Science

Background:

Traditional methods for chemical and biological substance analysis are often complex, costly, and slow.
Existing electronic tongue systems face challenges with sensitivity, reliability, portability, and real-time detection.
Limitations include signal instability and inefficient charge transfer in conventional liquid sensing.

Purpose of the Study:

To introduce a miniaturized intelligent self-powered e-tongue (MISET) for improved liquid sensing.
To enhance signal stability, sensitivity, and reliability in chemical and biological analysis.
To develop a portable, real-time, and self-powered analytical tool.

Main Methods:

Development of a confined liquid sensing environment to minimize interference.
Integration of a droplet energy generation (DEG) mechanism for efficient charge transfer.
Application of deep learning for signal processing and pattern recognition.

Main Results:

MISET demonstrated enhanced signal stability due to a confined sensing environment.
The droplet energy generation mechanism significantly improved charge transfer efficiency and signal intensity.
Deep learning integration boosted accuracy and reliability in analysis.
The system achieved higher sensitivity and a lower detection limit.

Conclusions:

MISET represents a significant advancement in self-powered liquid sensing technology.
The innovations overcome key limitations of existing electronic tongue systems.
MISET offers a more stable, sensitive, and efficient platform for chemical and biological analysis.