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Related Concept Videos

Drugs Acting on Autonomic Ganglia: Stimulants01:23

Drugs Acting on Autonomic Ganglia: Stimulants

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Ganglionic stimulants activate NM nicotinic receptors in autonomic ganglia, falling into two categories: nicotine mimetics [e.g., lobeline, dimethylpiperazine, tetramethylammonium] and muscarinic receptor agonists [e.g., muscarine, methacholine]. The first category's action is rapid and blocked by nicotinic receptor antagonists, while the second category's action is delayed and blocked by atropine-like agents. Nicotine, an alkaloid, affects the heart rate by stimulating...
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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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Related Experiment Video

Updated: Dec 21, 2025

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
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Nicotine Monitoring with a Wearable Sweat Band.

Li-Chia Tai1,2,3, Christine Heera Ahn1, Hnin Yin Yin Nyein1,2,3

  • 1Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720, United States.

ACS Sensors
|May 21, 2020
PubMed
Summary
This summary is machine-generated.

A new wearable sweat band can track nicotine exposure from smoking. This device offers a personalized way to monitor health risks associated with tobacco smoke for smokers and non-smokers.

Keywords:
electrochemical devicesflexible electronicsnanodendritesnicotine monitoringself-assembled monolayerwearable sweat sensors

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Area of Science:

  • Biomedical Engineering
  • Public Health
  • Analytical Chemistry

Background:

  • The global tobacco epidemic poses a significant public health risk, causing numerous deaths annually.
  • Estimating health risks from smoking is complex due to variations in cigarette composition and exposure routes (active vs. secondhand).
  • Monitoring smoke exposure is crucial for mitigating health hazards.

Purpose of the Study:

  • To develop and validate a wearable device for quantitatively assessing smoking exposure.
  • To utilize sweat as a accessible biomaterial for continuous monitoring of nicotine levels.
  • To demonstrate the device's utility in distinguishing between smokers and non-smokers based on nicotine exposure.

Main Methods:

  • Development of a wearable sweat band sensor.
  • Quantitative analysis of nicotine levels in sweat samples.
  • Testing the device on both active smokers and non-smokers under controlled conditions.
  • Validation of sweat nicotine levels against smoking exposure.

Main Results:

  • The wearable sweat band successfully detected and quantified nicotine in the sweat of subjects exposed to cigarette smoke.
  • Elevated nicotine levels in sweat were confirmed for individuals actively inhaling cigarette smoke.
  • The device demonstrated clear differentiation in nicotine levels between smokers and non-smokers.

Conclusions:

  • A wearable sweat sensing device provides a viable method for continuous, personalized monitoring of nicotine exposure.
  • This technology can aid in assessing individual health risks related to smoking and environmental tobacco smoke.
  • The device holds potential for broad application in public health surveillance of smoke pollution.