ArticleACS sensors2022
Self-Powered Edible Defrosting Sensor.
Article in ACS sensors, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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The trial behind it
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Who cites it
8 citing papers in PubMed.
- Food-Based Electronics: Revisiting β-Carotene Organic Transistors.ACS applied materials & interfaces · 2026Article
- Hyperelastic Starch Hydrogel Configures Edible and Biodegradable All-Components for Soft Robots.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Edible and Recyclable Gelatin-Based Electronics for High-Precision Health and Environmental Monitoring.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Edible electronics: Current landscape and emerging pathways.Journal of materials research · 2026Review
- A Solution-Based Deposition Method Enabling Pigment Blue Edible Electrochemical Transistors.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- A Fully Edible Transistor Based on a Toothpaste Pigment.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Chitosan-gated organic transistors printed on ethyl cellulose as a versatile platform for edible electronics and bioelectronics.Nanoscale · 2023Article
- Technology Roadmap for Flexible Sensors.ACS nano · 2023Review
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Improper freezing of food causes food waste and negatively impacts the environment. In this work, we propose a device that can detect defrosting events by coupling a temperature-activated galvanic cell with an ionochromic cell, which is activated by the release of ions during current flow. Both the components of the sensor are fabricated through simple and low-energy-consuming procedures from edible materials. The galvanic cell operates with an aqueous electrolyte solution, producing current only at temperatures above the freezing point of the solution. The ionochromic cell exploits the current generated during the defrosting to release tin ions, which form complexes with natural dyes, causing the color change. Therefore, this sensor provides information about defrosting events. The temperature at which the sensor reacts can be tuned between 0 and -50 °C. The device can thus be flexibly used in the supply chain: as a sensor, it can measure the length of exposure to above-the-threshold temperatures, while as a detector, it can provide a signal that there was exposure to above-the-threshold temperatures. Such a device can ensure that frozen food is handled correctly and is safe for consumption. As a sensor, it could be used by the workers in the supply chain, while as a detector, it could be useful for end consumers, ensuring that the food was properly frozen during the whole supply chain.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.