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

Bacterial Signaling

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...

You might also read

Related Articles

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

Sort by

Same author

Microsurgical treatment of the radicular arteriovenous fistula with multiple feeders at the craniocervical junction.

Neurosurgical focus: Video·2025

Same author

Prediction of acute lung injury/acute respiratory distress syndrome after cardiopulmonary bypass in infants by monitoring femoral oxygen saturation.

Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs·2025

Same author

Investigation of contamination and environmental exposure of cold/heated water supply systems for extracorporeal circulation used in ECMO and other applications.

Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs·2025

Same author

Evaluation of the Characteristics and Machine Learning-Based Identification Accuracy of the International Electrotechnical Commission (IEC) 60601-1-8 Medical Equipment Auditory Alarms.

Cureus·2025

Same author

An Approach to Fall Detection Using Statistical Distributions of Thermal Signatures Obtained by a Stand-Alone Low-Resolution IR Array Sensor Device.

Sensors (Basel, Switzerland)·2025

Same author

Analysis of Responses of GPT-4 V to the Japanese National Clinical Engineer Licensing Examination.

Journal of medical systems·2024

Same journal

Starmate: A Lightweight AI Assistant for Autism Caregivers Developed and Evaluated Through a User-Centered Mixed-Methods Framework.

Journal of medical systems·2026

Same journal

Predicting the Predictor: Unresolved Validity Threats in LLM-Based ASA Classification.

Journal of medical systems·2026

Same journal

Development and Internal Validation of a Vectorcardiography-Augmented Model for 12-Month Major Adverse Cardiovascular Events in Chronic Heart Failure.

Journal of medical systems·2026

Same journal

Development and Validation of an Automated Acute Kidney Injury E-Alert System Integrated with Clinical Decision Support for Hospitalized Patients.

Journal of medical systems·2026

Same journal

Calibration of Self-Reported Confidence and Accuracy of Large Language Models in Medical Question Answering.

Journal of medical systems·2026

Same journal

Throughput Benchmarking and Throughput Variance Analysis to Evaluate the Efficiency of an Outpatient Endoscopy Unit.

Journal of medical systems·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 18, 2025

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Published on: May 2, 2018

Electromagnetic Compatibility Issues in 400-MHz-Band Wireless Medical Telemetry Systems and Their Management Using

Kai Ishida¹, Kiyotaka Fujii², Eisuke Hanada³

¹Department of Materials and Human Environmental Sciences, Faculty of Engineering, Shonan Institute of Technology, Fujisawa, Japan. gishikai310@gmail.com.

Journal of Medical Systems

|August 5, 2024

Summary

This summary is machine-generated.

Electromagnetic interference impacts wireless medical telemetry systems (WMTSs) operating at 400 MHz. This study identifies interference sources and proposes simple methods for evaluating the electromagnetic environment to improve WMTS reception.

Keywords:

400 MHz band Electromagnetic compatibility Radio communication Software defined radio Wireless medical telemetry system

More Related Videos

A Real-Time Wearable Electromyography Measurement System for Small Animals

A Real-Time Wearable Electromyography Measurement System for Small Animals

Published on: November 15, 2024

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Published on: August 27, 2021

Related Experiment Videos

Last Updated: Jun 18, 2025

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Published on: May 2, 2018

A Real-Time Wearable Electromyography Measurement System for Small Animals

A Real-Time Wearable Electromyography Measurement System for Small Animals

Published on: November 15, 2024

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Published on: August 27, 2021

Area of Science:

Biomedical Engineering
Electromagnetics
Medical Device Technology

Background:

Wireless medical telemetry systems (WMTSs) are crucial for remote patient monitoring, utilizing the 400 MHz frequency band in Japan.
Poor reception in WMTSs is a significant concern, potentially impacting patient care.
Understanding electromagnetic interference (EMI) is vital for ensuring reliable WMTS operation.

Purpose of the Study:

To analyze the effects of various electromagnetic interferences (EMIs) on WMTS performance.
To investigate intermodulation (IM) effects and noise from electrical devices impacting WMTS reception.
To propose and evaluate methods for managing the electromagnetic environment of WMTS.

Main Methods:

Analysis of EMI from co-existing radio systems, including location-detection systems.
Evaluation of intermodulation (IM) effects on WMTS reception.
Assessment of wideband emissions from electrical devices like LED lamps and security cameras.
Development and testing of simplified spectrum analysis using WMTS receivers and software-defined radio.

Main Results:

Location-detection systems generate impulsive voltages that interfere with WMTS.
Intermodulation (IM) effects significantly degrade WMTS reception.
Electrical devices emit wideband electromagnetic noises that can affect the 400 MHz band.
Proposed methods using spectrum analysis effectively evaluate the electromagnetic environment.

Conclusions:

Electromagnetic interference poses a substantial threat to the reliability of 400 MHz WMTSs.
Effective management of the electromagnetic environment is necessary for robust medical telemetry.
Simple spectrum analysis tools can aid in diagnosing and mitigating WMTS interference issues.