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Enhanced Interstitial Fluid Extraction and Rapid Analysis via Vacuum Tube‐Integrated Microneedle Array Device.

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Bibliographic Details
Title: Enhanced Interstitial Fluid Extraction and Rapid Analysis via Vacuum Tube‐Integrated Microneedle Array Device.
Authors: Xie, Yuanting, He, Jinhua, He, Wenqing, Iftikhar, Tayyaba, Zhang, Chuangjie, Su, Lei, Zhang, Xueji
Source: Advanced Science; 6/5/2024, Vol. 11 Issue 21, p1-12, 12p
Subject Terms: EXTRACELLULAR fluid, VACUUM tubes, POINT-of-care testing, DERMIS
Abstract: Advancing the development of point‐of‐care testing (POCT) sensors that utilize interstitial fluid (ISF) presents considerable obstacles in terms of rapid sampling and analysis. Herein, an innovative strategy is introduced that involves the use of a 3D‐printed, hollow microneedle array patch (MAP), in tandem with a vacuum tube (VT) connected through a hose, to improve ISF extraction efficiency and facilitate expedited analysis. The employment of negative pressure by the VT allows the MAP device to effectively gather ≈18 µL of ISF from the dermis of a live rabbit ear within a concise period of 5 min. This methodology enables the immediate and minimally invasive measurement of glucose levels within the body, employing personal healthcare meters for quantification. The fusion of the VT and MAP technologies provides for their effortless integration into a comprehensive and mobile system for ISF analysis, accomplished by preloading the hose with custom sensing papers designed to detect specific analytes. Moreover, the design and functionality of this integrated VT‐MAP system are intuitively user‐friendly, eliminating the requirement for specialized medical expertise. This feature enhances its potential to make a significant impact on the field of decentralized personal healthcare. [ABSTRACT FROM AUTHOR]
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Database: Complementary Index
Description
Abstract:Advancing the development of point‐of‐care testing (POCT) sensors that utilize interstitial fluid (ISF) presents considerable obstacles in terms of rapid sampling and analysis. Herein, an innovative strategy is introduced that involves the use of a 3D‐printed, hollow microneedle array patch (MAP), in tandem with a vacuum tube (VT) connected through a hose, to improve ISF extraction efficiency and facilitate expedited analysis. The employment of negative pressure by the VT allows the MAP device to effectively gather ≈18 µL of ISF from the dermis of a live rabbit ear within a concise period of 5 min. This methodology enables the immediate and minimally invasive measurement of glucose levels within the body, employing personal healthcare meters for quantification. The fusion of the VT and MAP technologies provides for their effortless integration into a comprehensive and mobile system for ISF analysis, accomplished by preloading the hose with custom sensing papers designed to detect specific analytes. Moreover, the design and functionality of this integrated VT‐MAP system are intuitively user‐friendly, eliminating the requirement for specialized medical expertise. This feature enhances its potential to make a significant impact on the field of decentralized personal healthcare. [ABSTRACT FROM AUTHOR]
ISSN:21983844
DOI:10.1002/advs.202308716