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

Design Example: Resistive Touchscreen

Design Example: Resistive Touchscreen

A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...

Interfacial Electrochemical Methods: Overview

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...

Capacitor With A Dielectric

Capacitor With A Dielectric

Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...

You might also read

Related Articles

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

Sort by

Same author

Multimodal Information Fusion for Control of Rehabilitation Robots in Motor Dysfunction: A Review.

Bioengineering (Basel, Switzerland)·2026

Same author

A photoactivated nanoreactor cascade amplifies immunogenic endoplasmic reticulum stress for hepatocellular carcinoma immunotherapy.

Colloids and surfaces. B, Biointerfaces·2026

Same author

Human PSC-derived sinoatrial node-cardiac plexus assembloids model innervation-associated maturation of pacemaker systems.

Cell stem cell·2026

Same author

Single-parameter programmed thermomechanical actuation via 3D-printed helical director fields in liquid crystal elastomers.

Nature communications·2026

Same author

Design and Implementation of an Electromagnetic-Capacitive Coupling Mechanism-Based Material Young's Modulus Measurement System.

Materials (Basel, Switzerland)·2026

Same author

Refining feature representation for accurate fundus lesion segmentation.

Medical physics·2026

Same journal

Microfluidic rare cell analysis beyond counting: workflow design from enrichment to multi-omics.

Lab on a chip·2026

Same journal

A sperm racetrack to separate sperm by swim speed.

Lab on a chip·2026

Same journal

Controlled encapsulation and droplet size prediction in two-step microfluidic double emulsions.

Lab on a chip·2026

Same journal

A particulate blood-mimicking fluid with physiological biconcave geometry for microscale hemorheology.

Lab on a chip·2026

Same journal

Multicellular sensor arrays fabricated by capillary stamping for pattern-based odor discrimination.

Lab on a chip·2026

Same journal

A real-time microfluidic surveillance system for multiplex detection of heavy metal contamination in wastewater.

Lab on a chip·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 25, 2026

Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Published on: March 17, 2023

Droplet-based interfacial capacitive sensing.

Baoqing Nie¹, Siyuan Xing, James D Brandt

¹Department of Biomedical Engineering, University of California, Davis, CA, USA.

|February 8, 2012

Summary

This summary is machine-generated.

This study introduces a novel droplet pressure sensor with exceptional sensitivity and resolution. The device utilizes elastic and capacitive interfaces for precise, low-pressure detection, ideal for physiological monitoring.

More Related Videos

Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

Published on: May 2, 2025

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Published on: March 24, 2023

Related Experiment Videos

Last Updated: May 25, 2026

Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Published on: March 17, 2023

Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

Published on: May 2, 2025

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Published on: March 24, 2023

Area of Science:

Materials Science
Electrical Engineering
Biomedical Engineering

Background:

Developing highly sensitive pressure sensors is crucial for various applications, including physiological monitoring.
Existing sensors often face challenges with sensitivity, resolution, and mechanical flexibility.

Purpose of the Study:

To present a novel droplet-based pressure sensor with ultrahigh mechanical-to-electrical sensitivity and resolution.
To demonstrate a simple fabrication method and explore design parameters for sensor optimization.

Main Methods:

Fabrication of miniature transparent droplet sensors using one-step laser micromachining.
Utilizing elastic and capacitive electrode-electrolyte interfaces for sensing.
Employing a glycerol-electrolyte mixture to prevent liquid evaporation and ensure stability.

Main Results:

Achieved ultrahigh mechanical-to-electrical sensitivity of 1.58 μF kPa⁻¹ and a resolution of 1.8 Pa.
Demonstrated reduced hysteresis through surface modification without compromising capacitance.
Successfully detected minute blood pressure variations on the skin surface.

Conclusions:

The novel droplet sensor offers a simple architecture with superior performance for low-pressure detection.
The sensor's flexibility and sensitivity make it suitable for non-invasive physiological monitoring applications.
Further investigation into design parameters and environmental influences optimized sensor performance.