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Polymers for Imaging and Detection

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (31 March 2025) | Viewed by 973

Special Issue Editors


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Guest Editor
National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: biomedical polymer; conjugated polymer; bioimaging

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Guest Editor
State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
Interests: biomaterials; interventional medicine; nanomedicine; molecular imaging

Special Issue Information

Dear Colleagues,

In recent years, polymers and polymer-based supramolecular materials have garnered extensive research and applications in the fields of imaging and detection. The multifunctionality and designability of polymer molecules offer limitless possibilities for the versatile integration of signal reporting, selectivity, and activation methods, providing an ideal material platform for the rational design of various imaging and detection strategies. We believe that developing novel functional polymer molecules for imaging and detection, or designing unique imaging and detection strategies based on the unique advantages of polymers, can result in impactful and innovative research.

Therefore, in this Special Issue, we are dedicated to compiling recent relevant works to provide researchers in this field with cutting-edge innovative ideas and research directions. 

Dr. Sidan Tian
Prof. Dr. Gang Liu
Guest Editors

Manuscript Submission Information

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Keywords

  • imaging
  • sensors
  • diagnosis
  • detection
  • probes

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Published Papers (1 paper)

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Research

15 pages, 11855 KiB  
Article
Multi-Angle Crack Detection in CFRP Based on Line Laser Infrared Thermography Scanning Technology
by Guangyu Zhou, Zhijie Zhang, Wuliang Yin, Yu Fu and Ding’erkai Wang
Polymers 2025, 17(4), 508; https://doi.org/10.3390/polym17040508 - 15 Feb 2025
Viewed by 598
Abstract
Infrared thermography is a real-time and efficient method for defect detection. This study utilizes line laser scanning infrared thermography to detect cracks in manually laid-up unidirectional CFRP, 3D-printed CFRP cracks, and naturally occurring microcracks in CFRP deflectors. In manually layered unidirectional CFRP, detection [...] Read more.
Infrared thermography is a real-time and efficient method for defect detection. This study utilizes line laser scanning infrared thermography to detect cracks in manually laid-up unidirectional CFRP, 3D-printed CFRP cracks, and naturally occurring microcracks in CFRP deflectors. In manually layered unidirectional CFRP, detection performance is influenced by the layup direction, with cracks aligned to the layup exhibiting minimal hindrance to heat conduction, resulting in weaker high-frequency components in thermal images and poorer detection accuracy. In contrast, the composite structure of 3D-printed CFRP minimizes the impact of crack orientation. By analyzing the temperature characteristics of the crack center and thermal drag tail for cracks with varying opening angles, the study establishes a relationship between the crack opening angle, crack depth, and thermal features. Fitted curves of the ratio between crack opening angle and absolute temperature difference yielded an average R2 of 0.9828 and MSE of 0.1287, validating the effectiveness of the proposed approach. Finally, the features of microcracks in CFRP deflector plates were effectively extracted through high-frequency filtering, which demonstrated the broad applicability and robustness of this study. Full article
(This article belongs to the Special Issue Polymers for Imaging and Detection)
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