Human Circulatory/Respiratory-Inspired Comprehensive Air Purification System

The circulatory and respiratory systems in humans are marvels of biological engineering that exhibit competence in maintaining homeostasis. These systems not only shield the organism from external contaminants but also orchestrate the vital gases via the bloodstream to sustain cellular respiration a...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2024-10, Vol.36 (41), p.e2405568
Main Authors: Jeong, Seongmin, Shin, Jaeho, Kim, Jinmo, Kim, Hongchan, Lee, Jae Gun, Min, JinKi, Hong, Sukjoon, Ko, Seung Hwan
Format: Article
Language:English
Subjects:
Air purification
Alveoli
Bioengineering
Biological activity
Biomimetic materials
Carbon dioxide
Carbon dioxide concentration
Carbon dioxide removal
Contaminants
Homeostasis
Indoor environments
Respiratory system
VOCs
Volatile organic compounds
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Summary:The circulatory and respiratory systems in humans are marvels of biological engineering that exhibit competence in maintaining homeostasis. These systems not only shield the organism from external contaminants but also orchestrate the vital gases via the bloodstream to sustain cellular respiration and metabolic processes across diverse tissues. It is noticed that spaces inhabited encounter challenges akin to those of the human body: protecting the indoor air from external pollutants while removing anthropogenic byproducts like carbon dioxide (CO ), particulate matters (PM), and volatile organic compounds (VOCs) tooutside. A biomimetic approach, composed of a microbubble-based gas exchanger and circulating liquid inspired by alveoli, capillary beds, and bloodstream of the human circulatory/respiratory system, offer an innovative solution for comprehensive air purification of hermetic spaces. Circulatory/respiratory-inspired air purification system (CAPS) ensure both continuous removal of PM and exchange of gas species between indoor and outdoor environments to maintain homeostasis. The effectiveness of this system is also supported by animal behavior experiments with and without CAPS, showing an effect of reducing CO concentration by 30% and increasing mice locomotor activity by 53%. CAPS is expected to evolve into robust and comprehensive air purification schemes through the networked integration of plural internal and external environments.
ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.202405568