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Related Concept Videos

Design Example: Resistive Touchscreen01:14

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...
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Related Experiment Video

Updated: May 10, 2026

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing
08:19

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing

Published on: June 1, 2012

Tunable touch sensor and combined sensing platform: toward nanoparticle-based electronic skin.

Meital Segev-Bar1, Avigail Landman, Maayan Nir-Shapira

  • 1The Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion, Israel Institute of Technology, Haifa 3200003, Israel.

ACS Applied Materials & Interfaces
|June 6, 2013
PubMed
Summary

Researchers developed inexpensive flexible sensors using monolayer-capped nanoparticles (MCNPs). These sensors can detect pressure, temperature, and humidity, offering a versatile platform for electronic skin applications.

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Last Updated: May 10, 2026

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing
08:19

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing

Published on: June 1, 2012

Area of Science:

  • Materials Science
  • Nanotechnology
  • Sensor Technology

Background:

  • Flexible sensors are crucial for advanced electronic applications.
  • Monolayer-capped nanoparticles (MCNPs) offer potential for low-cost, low-voltage sensor development.
  • Multifunctional sensing platforms are in high demand for integrated systems.

Purpose of the Study:

  • To develop and characterize novel flexible touch (pressure) sensors based on MCNPs.
  • To investigate the integration of temperature and humidity sensing capabilities onto the MCNP platform.
  • To demonstrate a prototype capable of simultaneous multi-parameter environmental monitoring.

Main Methods:

  • Fabrication of MCNP films on flexible substrates with tailored mechanical and geometrical properties.
  • Characterization of sensor response to varying loads (tens of mg to tens of grams).
  • Evaluation of sensor durability through repeated bending cycles.
  • Integration and testing of temperature and humidity sensing functionalities.

Main Results:

  • Flexible MCNP sensors demonstrated repeatable pressure sensing across a wide load range.
  • Sensors maintained performance after numerous bending cycles, indicating high durability.
  • The platform successfully integrated precise temperature and relative humidity detection.
  • A prototype MCNP-based sensor achieved simultaneous monitoring of pressure, temperature, and humidity.

Conclusions:

  • MCNP-based flexible sensors offer a promising, inexpensive, and low-voltage solution for multifunctional applications.
  • The developed platform exhibits excellent sensitivity and accuracy for temperature and humidity sensing.
  • This technology is well-suited for developing advanced electronic-skin applications requiring integrated environmental monitoring.