Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Automatic Processing and Automatic Social Behavior01:28

Automatic Processing and Automatic Social Behavior

372
Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
372
Control Systems: Applications01:25

Control Systems: Applications

1.2K
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
1.2K
Signal and System01:26

Signal and System

1.7K
A signal x(t) is a set of data or a time function representing a variable of interest. Signals typically convey information about a phenomenon, such as atmospheric temperature, humidity, human voice, television images, a dog's bark, or birdsongs. More generally, a signal can be a function of more than one independent variable. For instance, images depend on horizontal and vertical positions and can be regarded as two-dimensional signals. However, this text will focus on one-dimensional...
1.7K
Control Systems01:10

Control Systems

1.6K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
1.6K
Bioreactor Controls-I01:28

Bioreactor Controls-I

92
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
92
What is a Sensory System?01:31

What is a Sensory System?

89.4K
Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
89.4K

You might also read

Related Articles

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

Sort by
Same author

The effect of fluorides in the TiO<sub>2</sub>(B) anode on the hydrogen evolution reaction in aqueous electrolytes.

Frontiers in chemistry·2026
Same author

Plant Diversity and Seasonal Variation Drive Animal Diversity and Community Structure in Eastern China.

Animals : an open access journal from MDPI·2026
Same author

Fully human anti-B7-H4 antibody induces lysosome-dependent ferroptosis to reverse primary resistance to PD-1 blockade.

Journal for immunotherapy of cancer·2026
Same author

A multi-tiered μDicer with hierarchical blades achieves protein-preserving microdissection down to 10 μm.

bioRxiv : the preprint server for biology·2025
Same author

Label-free, machine-learning assisted impedance assessment of basophil activation.

Sensors and actuators. B, Chemical·2025
Same author

Characterization of cellular wound resistance in the giant ciliate <i>Stentor coeruleus</i>.

Soft matter·2025
Same journal

Tunable self-assembling cellular microarray for single-neutrophil vital and suicidal extracellular traps.

Lab on a chip·2026
Same journal

Precise programmable tumor cell subpopulation sorting <i>via</i> an electromagnetic microfluidic platform.

Lab on a chip·2026
Same journal

Bridging dimensions: combining one- and two-photon 3D printing for microfluidic device fabrication.

Lab on a chip·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
See all related articles

Related Experiment Video

Updated: Apr 24, 2026

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents
09:13

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents

Published on: May 3, 2012

15.0K

Time capsule: an autonomous sensor and recorder based on diffusion-reaction.

Lukas C Gerber1, Liat Rosenfeld, Yunhan Chen

  • 1Department of Mechanical Engineering, Stanford University, CA 94305, USA. sindy@stanford.edu.

Lab on a Chip
|September 6, 2014
PubMed
Summary
This summary is machine-generated.

This study introduces a power-free "time capsule" device that uses chemical diffusion and reactions to record chemical exposure history as spatial patterns. It demonstrates autonomous lead ion detection in water, showcasing a novel approach to environmental monitoring.

More Related Videos

Robotic Sensing and Stimuli Provision for Guided Plant Growth
08:02

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

9.8K
Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
11:21

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

Published on: July 27, 2018

8.0K

Related Experiment Videos

Last Updated: Apr 24, 2026

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents
09:13

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents

Published on: May 3, 2012

15.0K
Robotic Sensing and Stimuli Provision for Guided Plant Growth
08:02

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

9.8K
Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
11:21

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

Published on: July 27, 2018

8.0K

Area of Science:

  • Chemical Engineering
  • Materials Science
  • Environmental Monitoring

Background:

  • Sensing and recording chemical information often requires external power sources and complex instrumentation.
  • There is a need for autonomous, low-power devices for long-term environmental monitoring.

Purpose of the Study:

  • To develop a novel device, termed a
  • time capsule
  • , capable of recording temporal chemical information as spatial patterns without external power.
  • To demonstrate the feasibility of this technology for autonomous chemical detection.

Main Methods:

  • Utilizing chemical diffusion as an intrinsic clock mechanism.
  • Employing reactions that form immobile products with distinct optical properties for simultaneous sensing and recording.
  • Developing a device architecture for autonomous operation.

Main Results:

  • Successfully recorded temporally varying chemical information as stable spatial patterns.
  • Demonstrated autonomous detection and recording of lead ions in water.
  • The spatial distribution of reaction products accurately reflected the history of lead ion exposure.

Conclusions:

  • The developed "time capsule" offers a novel, power-free method for recording chemical exposure histories.
  • This technology has significant potential for autonomous environmental sensing and monitoring applications.
  • The proof-of-principle demonstrates the viability of using diffusion-reaction systems for chemical data logging.