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Related Concept Videos

Capacitance08:56

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Source: Yong P. Chen, PhD, Department of Physics & Astronomy, College of Science, Purdue University, West Lafayette, IN
This experiment will use commercial capacitors and a parallel plate capacitor to demonstrate the concept of capacitance. A capacitor stores opposite charges on two conductors, for example two opposite metal plates, leading to a potential difference (voltage drop) between the two conductors. The amount of charge on each conductor is proportional to this voltage drop, with...
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Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
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Related Experiment Video

Updated: Jan 20, 2026

Capacitance and the Principle of Parallel Plate Capacitors
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[A Capacitive Venous Transfusion Alertor Based on NB-IoT].

Zi'an Yu1, Chao Zhai1,2

  • 1College of Engineering and Science, University of Science and Technology of China, Hefei, 230027.

Zhongguo Yi Liao Qi Xie Za Zhi = Chinese Journal of Medical Instrumentation
|August 29, 2019
PubMed
Summary

A new capacitive venous transfusion alertor uses RC circuit timing and microcontroller functions. This device, integrated with Narrow Band-Internet of Things (NB-IoT) technology, aims to reduce medical staff workload and enhance patient safety.

Keywords:
STM32capacitivenarrow band intent of things(NB-IoT)venous transfusion alertor

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Area of Science:

  • Biomedical Engineering
  • Medical Device Technology
  • Embedded Systems

Background:

  • Venous transfusions require careful monitoring to prevent complications.
  • Current monitoring methods can be labor-intensive for healthcare professionals.
  • There is a need for automated, cost-effective transfusion monitoring solutions.

Purpose of the Study:

  • To develop and evaluate a novel capacitive venous transfusion alertor.
  • To integrate the alertor with Narrow Band-Internet of Things (NB-IoT) for data transmission.
  • To assess the potential of the device in reducing caregiver workload and improving safety.

Main Methods:

  • The alertor utilizes the rise time characteristics of an RC circuit.
  • It incorporates the input capture function of a microcontroller for precise timing.
  • The sensing element is integrated directly onto the circuit board for a compact design.

Main Results:

  • The capacitive alertor features a simple structure and low manufacturing cost.
  • Integration with NB-IoT enables efficient data uploading.
  • The system is designed to provide timely alerts during venous transfusions.

Conclusions:

  • The developed capacitive venous transfusion alertor offers a promising, low-cost solution.
  • The integration of NB-IoT technology enhances its utility for remote monitoring.
  • This device has the potential to significantly reduce the burden on medical personnel and mitigate transfusion-related risks.