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The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.最新文献

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Optical and piezo-electrical pressure transducers for optoacoustic imaging and tissue diagnostics: a comparative study 用于光声成像和组织诊断的光学和压电压力传感器:比较研究
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-15 DOI: 10.1109/APBP.2004.1412373
M. Frenz, J. Niederhauser, M. Jaeger
{"title":"Optical and piezo-electrical pressure transducers for optoacoustic imaging and tissue diagnostics: a comparative study","authors":"M. Frenz, J. Niederhauser, M. Jaeger","doi":"10.1109/APBP.2004.1412373","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412373","url":null,"abstract":"A key element of optoacoustic diagnostics, which employs short laser pulses to generate ultrasonic pressure transients in tissues is besides a homogeneous illumination the optimum design of the pressure transducer. Different piezo-electrically and optically based pressure transducers will be compared and discussed.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121932498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Spectroscopic measurement in turbid media by spectroscopic optical coherence tomography 光谱光学相干层析成像在浑浊介质中的光谱测量
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-15 DOI: 10.1109/APBP.2004.1412316
T. Nouchi, M. Akiba, K. Chan
{"title":"Spectroscopic measurement in turbid media by spectroscopic optical coherence tomography","authors":"T. Nouchi, M. Akiba, K. Chan","doi":"10.1109/APBP.2004.1412316","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412316","url":null,"abstract":"We describe a parallel heterodyne detection method for real-time spectroscopic optical coherence tomography. Spectroscopic measurements using an ultrabroadband femtosecond Ti:sapphire laser has been carried out, demonstrating the feasibility of the present method.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"10 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128738042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reconstruction of optical absorption distribution for backward optoacoustic imaging 后向光声成像的光吸收分布重建
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-15 DOI: 10.1109/APBP.2004.1412377
C. Liao, Pai-Chi Li
{"title":"Reconstruction of optical absorption distribution for backward optoacoustic imaging","authors":"C. Liao, Pai-Chi Li","doi":"10.1109/APBP.2004.1412377","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412377","url":null,"abstract":"In this paper, we present a reconstruction algorithm for backward mode optoacoustic imaging. The algorithm is developed from the optoacoustic wave equations and takes advantage of the simplification associated with line focusing, which is implemented with a synthetic aperture focusing and adaptive weighting method. Computer simulations and experiments were conducted to verify efficacy of the algorithm. Performance differences between numerical simulations and the experiments will be presented and discussed.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126464168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of electrical charge on drug delivery through skin 电荷对药物通过皮肤传递的影响
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-15 DOI: 10.1109/APBP.2004.1412338
J.i.e. Chen, T. Chiu, Wen Lo, Sung-Jan Lin, S. Jee, C. Dong
{"title":"The effect of electrical charge on drug delivery through skin","authors":"J.i.e. Chen, T. Chiu, Wen Lo, Sung-Jan Lin, S. Jee, C. Dong","doi":"10.1109/APBP.2004.1412338","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412338","url":null,"abstract":"Drug delivery through skin has benefits such as its conveniences of providing controlled dosage to patients. In this article we investigate the effects of electrical characteristics of molecules on their effectiveness in transdermal drug delivery. Using multiphoton microscopy, we imaged the skin treated with fluorescent model drugs having different charges. We will present both the images obtained at different depths and axial fluorescence intensity profiles. Multiphoton microscopy is a useful technique for mechanistic analysis in transdermal drug delivery.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121659931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Autofluorescence lifetime for identifying premalignant and normal oral tissues 鉴别癌前和正常口腔组织的自体荧光寿命
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-14 DOI: 10.1109/APBP.2004.1412301
C. You, Hsin-Ming Chen, C. Chiang, Chin-Tin Chen, Chih-Yu Wang
{"title":"Autofluorescence lifetime for identifying premalignant and normal oral tissues","authors":"C. You, Hsin-Ming Chen, C. Chiang, Chin-Tin Chen, Chih-Yu Wang","doi":"10.1109/APBP.2004.1412301","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412301","url":null,"abstract":"In this study, we evaluate the feasibility of using time-resolved autofluorescence spectroscopy for differentiating normal oral mucosa (NOM) from oral premalignant lesions including verrucous hyperplasia (VH), epithelial hyperplasia (EH), and epithelial dysplasia (ED). Time-resolved autofluorescence was measured at 633 nm under 410-nm excitation for 15 VH, 9 EH, 14 ED, and 38 NOM samples, and the two-component lifetimes for each measurement were calculated and a two-dimensional scatter plot was constructed. A Fisher's discriminant analysis (FDA) were used to classify the 4 types of tissues. The result showed that 71% of EH and VH, 86% of ED, and 100% of NOM samples were correctly identified.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127980470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimation of wavelength-dependent path length factor from multispectral images of cortical phantom 基于皮质幻体多光谱图像的波长相关路径长度因子估计
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-01 DOI: 10.1109/APBP.2004.1412358
K. Sakaguchi, K. Yokoyama, Y. Watanabe, E. Okada
{"title":"Estimation of wavelength-dependent path length factor from multispectral images of cortical phantom","authors":"K. Sakaguchi, K. Yokoyama, Y. Watanabe, E. Okada","doi":"10.1109/APBP.2004.1412358","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412358","url":null,"abstract":"The spectral reflectance of cortical phantom is measured with a multispectral imaging system. The wavelength-dependent path length factor is estimated from the first principal component of the reflectance spectra of the phantom and is compared with the mean optical path length predicted by Monte Carlo simulation.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122240114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cross talk between oxy- and deoxy-haemoglobin in brain function measurement by near-infrared spectroscopy 近红外光谱法测量脑功能中氧和脱氧血红蛋白间的串扰
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-01 DOI: 10.1109/APBP.2004.1412328
N. Okui, E. Okada
{"title":"Cross talk between oxy- and deoxy-haemoglobin in brain function measurement by near-infrared spectroscopy","authors":"N. Okui, E. Okada","doi":"10.1109/APBP.2004.1412328","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412328","url":null,"abstract":"Near infrared spectroscopy is an effective method to measure the concentration change in oxy-and deoxy-haemoglobin caused by brain activity. In this study, we investigate the relationship between position of focal absorption change in the brain and the cross talk in the results of near-infrared spectroscopy.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"147 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123493208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photodynamic diagnosis of oral neoplasms 口腔肿瘤的光动力学诊断
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-01 DOI: 10.1109/APBP.2004.1412288
Cheng-Jen Chang, P. Wilder-Smith
{"title":"Photodynamic diagnosis of oral neoplasms","authors":"Cheng-Jen Chang, P. Wilder-Smith","doi":"10.1109/APBP.2004.1412288","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412288","url":null,"abstract":"Light-induced fluorescence detection using Photofrin/sup /spl reg// topically provides a sensitive, noninvasive technique for the early identification of malignant neoplasms in the oral cavity. The development of an endoscopic fluorescence imaging system that could be used for real-time, noninvasive and diagnosis in clinical application.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122784876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topical 5-aminolevulinic acid photodynamic therapy for the treatment of warts: comparison of red and green light-emitting diode array 局部5-氨基乙酰丙酸光动力疗法治疗疣:红色和绿色发光二极管阵列的比较
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-01 DOI: 10.1109/APBP.2004.1412289
H. Chien, Yitao Liao, Chin-Tin Chen
{"title":"Topical 5-aminolevulinic acid photodynamic therapy for the treatment of warts: comparison of red and green light-emitting diode array","authors":"H. Chien, Yitao Liao, Chin-Tin Chen","doi":"10.1109/APBP.2004.1412289","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412289","url":null,"abstract":"The purpose of this clinical study is to develop topical ALA-PDT as an alternative treatment of warts but without the unwanted side effects of pain and burning. Topical ALA-PDT with green LED array proved to be an effective and painless treatment modality for warts.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115034144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Far-infrared rays penetrate deeper into mammary tissue and induce a higher skin blood flow in comparison to infrared irradiation 与红外线照射相比，远红外线能更深入地穿透乳腺组织，诱发更高的皮肤血流量
The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004. Pub Date : 2004-12-01 DOI: 10.1109/APBP.2004.1412302
Cheng-De Lin, Chien-Chung Huang, Ching-Hung Chen, Tak-Wah Wong, M. Young
{"title":"Far-infrared rays penetrate deeper into mammary tissue and induce a higher skin blood flow in comparison to infrared irradiation","authors":"Cheng-De Lin, Chien-Chung Huang, Ching-Hung Chen, Tak-Wah Wong, M. Young","doi":"10.1109/APBP.2004.1412302","DOIUrl":"https://doi.org/10.1109/APBP.2004.1412302","url":null,"abstract":"Far-infrared rays (FIR) and infrared rays (IR) generate heat and were claimed to be benefit to wound healing. We compare the differences of light penetration and human skin blood flow between FIR and IR irradiation.","PeriodicalId":346624,"journal":{"name":"The Second Asian and Pacific Rim Symposium on Biophotonics, 2004. APBP 2004.","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134416382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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