Through introducing biodegradable magnesium nanoparticles (Mg-NPs) with excellent property in absorbing laser photon, this paper is dedicated to present a laser scanning based thermogaphic strategy for detecting the skin cancer. It aims at selectively enhancing the thermal responses of the target regions so as to distinguish the tumor from the normal tissues on the infrared images. The carried out three-dimensional simulations and conceptual experiments quantitatively demonstrated the feasibility of the present method in improving the sensitivity and targeting-ability (i.e., specificity) of the thermography. Further parametric studies on the thermal enhanced effects such as by varying the parameters of laser beam (i.e., laser power, action time, and moving frequency) and Mg-NPs (i.e., nanoparticle concentration) disclose more quantitative mechanisms for achieving a better output of the diagnosis. The results indicate the following facts: (1) The parameters could be selected to significantly improve the sensitivity of the thermal detection, such that the maximum temperature difference could even reach 2.31 °C; (2) for safety concern to human body, the default parameter setting (P = 1 W, Δt = 40 ms, f = 1 Hz, n = 0.02 mg/ml) can be a good choice and enhanced results can thus be easily detected; and (3) with the unique biodegradable merits, the Mg-NPs can be considered as an extremely useful agent for enhancing thermogaphy in identifying the early stage tumor.
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Engineering and Key Lab of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
e-mail: jliubme@tsinghua.edu.cn
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February 2013
Research-Article
Enhanced Thermographic Detection of Skin Cancer Through Combining Laser Scanning and Biodegradable Nanoparticles
Chao Jin,
Chao Jin
Department of Biomedical Engineering,
School of Medicine,
School of Medicine,
Tsinghua University
,Beijing 100084
, China
Search for other works by this author on:
Zhi-Zhu He,
Zhi-Zhu He
Beijing Key Lab of Cryo-Biomedical Engineering
and Key Lab of Cryogenics,
and Key Lab of Cryogenics,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
,Beijing 100190
, China
Search for other works by this author on:
Xue-Yao Yang,
Xue-Yao Yang
Department of Biomedical Engineering,
School of Medicine,
School of Medicine,
Tsinghua University
,Beijing 100084
, China
Search for other works by this author on:
Jing Liu
Engineering and Key Lab of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
e-mail: jliubme@tsinghua.edu.cn
Jing Liu
1
Department of Biomedical Engineering,
School of Medicine,
School of Medicine,
Tsinghua University
,Beijing 100084
, China
;Beijing Key Lab of Cryo-Biomedical
Engineering and Key Lab of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
Beijing 100190
, China
e-mail: jliubme@tsinghua.edu.cn
1Corresponding author.
Search for other works by this author on:
Chao Jin
Department of Biomedical Engineering,
School of Medicine,
School of Medicine,
Tsinghua University
,Beijing 100084
, China
Zhi-Zhu He
Beijing Key Lab of Cryo-Biomedical Engineering
and Key Lab of Cryogenics,
and Key Lab of Cryogenics,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
,Beijing 100190
, China
Xue-Yao Yang
Department of Biomedical Engineering,
School of Medicine,
School of Medicine,
Tsinghua University
,Beijing 100084
, China
Jing Liu
Department of Biomedical Engineering,
School of Medicine,
School of Medicine,
Tsinghua University
,Beijing 100084
, China
;Beijing Key Lab of Cryo-Biomedical
Engineering and Key Lab of Cryogenics,
Technical Institute of Physics and Chemistry,
Chinese Academy of Sciences,
Beijing 100190
, China
e-mail: jliubme@tsinghua.edu.cn
1Corresponding author.
Manuscript received October 13, 2012; final manuscript received February 20, 2013; published online July 11, 2013. Assoc. Editor: Liang Zhu.
J. Nanotechnol. Eng. Med. Feb 2013, 4(1): 011004 (8 pages)
Published Online: July 11, 2013
Article history
Received:
October 13, 2012
Revision Received:
February 20, 2013
Citation
Jin, C., He, Z., Zhang, J., Yang, X., and Liu, J. (July 11, 2013). "Enhanced Thermographic Detection of Skin Cancer Through Combining Laser Scanning and Biodegradable Nanoparticles." ASME. J. Nanotechnol. Eng. Med. February 2013; 4(1): 011004. https://doi.org/10.1115/1.4024129
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