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光活检    
相关语句
  optical biopsy
    Optical-thermal Properties and Optical Biopsy Technique for Nasopharyngeal Carcinoma
    鼻咽癌的光热特性及其光活检技术研究
短句来源
    A Development of the Optical Biopsy Device for Diagnosis of Cervical Precancerosis
    用于子宫颈癌前病变检查的光活检仪器的研制
短句来源
    In recent year, optical imaging have become the basis for a high level of research activity toward the development of novel, noninvasive technologies for tissue diagnostics, which frequently called "Optical Biopsy".
    本文首先阐述了实现鼻咽癌早期诊断和定位的临床重要意义,接着分析了现有鼻咽癌诊断方法存在的主要问题。 在总结国内外光活检历史由来和发展现状的基础上,首次提出了利用激光诱导药物荧光成像技术进行早期鼻咽癌光活检的研究课题。
短句来源
    Based on researching medical optical biopsy of early nasopharyngeal carcinoma, we design the software on signal processing of fluorescence spectroscopy for diagnosis and localization of nasopharyngeal carcinoma.
    本文从医用光活检的基本理论出发,开展早期鼻咽癌荧光分光定位系统的研究,设计出该系统信号处理的软件。
短句来源
    In order to get photodisruption threshold of porcine nasopharynx tissue in nasopharynged carcinoma optical biopsy, temperature distributions in the porcine nasopharynx tissue were measured under irradiation of argon ion laser at the wavelength of 488 nm and 514.5 nm, respectively. The dependence of the temperature distribution on the measuring position and irradiation power density, as well as wavelength was studied in detail.
    为了获得用于鼻咽癌(NPC)光活检的Ar+激光对鼻咽组织的安全光剂量阈值,实验测定了离体猪鼻咽组织在Ar+激光辐照下不同位置的温度分布,重点研究了辐照功率密度和波长对组织中温度分布的影响。
短句来源
  optical biopsy
    Optical-thermal Properties and Optical Biopsy Technique for Nasopharyngeal Carcinoma
    鼻咽癌的光热特性及其光活检技术研究
短句来源
    A Development of the Optical Biopsy Device for Diagnosis of Cervical Precancerosis
    用于子宫颈癌前病变检查的光活检仪器的研制
短句来源
    In recent year, optical imaging have become the basis for a high level of research activity toward the development of novel, noninvasive technologies for tissue diagnostics, which frequently called "Optical Biopsy".
    本文首先阐述了实现鼻咽癌早期诊断和定位的临床重要意义,接着分析了现有鼻咽癌诊断方法存在的主要问题。 在总结国内外光活检历史由来和发展现状的基础上,首次提出了利用激光诱导药物荧光成像技术进行早期鼻咽癌光活检的研究课题。
短句来源
    Based on researching medical optical biopsy of early nasopharyngeal carcinoma, we design the software on signal processing of fluorescence spectroscopy for diagnosis and localization of nasopharyngeal carcinoma.
    本文从医用光活检的基本理论出发,开展早期鼻咽癌荧光分光定位系统的研究,设计出该系统信号处理的软件。
短句来源
    In order to get photodisruption threshold of porcine nasopharynx tissue in nasopharynged carcinoma optical biopsy, temperature distributions in the porcine nasopharynx tissue were measured under irradiation of argon ion laser at the wavelength of 488 nm and 514.5 nm, respectively. The dependence of the temperature distribution on the measuring position and irradiation power density, as well as wavelength was studied in detail.
    为了获得用于鼻咽癌(NPC)光活检的Ar+激光对鼻咽组织的安全光剂量阈值,实验测定了离体猪鼻咽组织在Ar+激光辐照下不同位置的温度分布,重点研究了辐照功率密度和波长对组织中温度分布的影响。
短句来源
  optical biopsy
    Optical-thermal Properties and Optical Biopsy Technique for Nasopharyngeal Carcinoma
    鼻咽癌的光热特性及其光活检技术研究
短句来源
    A Development of the Optical Biopsy Device for Diagnosis of Cervical Precancerosis
    用于子宫颈癌前病变检查的光活检仪器的研制
短句来源
    In recent year, optical imaging have become the basis for a high level of research activity toward the development of novel, noninvasive technologies for tissue diagnostics, which frequently called "Optical Biopsy".
    本文首先阐述了实现鼻咽癌早期诊断和定位的临床重要意义,接着分析了现有鼻咽癌诊断方法存在的主要问题。 在总结国内外光活检历史由来和发展现状的基础上,首次提出了利用激光诱导药物荧光成像技术进行早期鼻咽癌光活检的研究课题。
短句来源
    Based on researching medical optical biopsy of early nasopharyngeal carcinoma, we design the software on signal processing of fluorescence spectroscopy for diagnosis and localization of nasopharyngeal carcinoma.
    本文从医用光活检的基本理论出发,开展早期鼻咽癌荧光分光定位系统的研究,设计出该系统信号处理的软件。
短句来源
    In order to get photodisruption threshold of porcine nasopharynx tissue in nasopharynged carcinoma optical biopsy, temperature distributions in the porcine nasopharynx tissue were measured under irradiation of argon ion laser at the wavelength of 488 nm and 514.5 nm, respectively. The dependence of the temperature distribution on the measuring position and irradiation power density, as well as wavelength was studied in detail.
    为了获得用于鼻咽癌(NPC)光活检的Ar+激光对鼻咽组织的安全光剂量阈值,实验测定了离体猪鼻咽组织在Ar+激光辐照下不同位置的温度分布,重点研究了辐照功率密度和波长对组织中温度分布的影响。
短句来源
  optical biopsy
    Optical-thermal Properties and Optical Biopsy Technique for Nasopharyngeal Carcinoma
    鼻咽癌的光热特性及其光活检技术研究
短句来源
    A Development of the Optical Biopsy Device for Diagnosis of Cervical Precancerosis
    用于子宫颈癌前病变检查的光活检仪器的研制
短句来源
    In recent year, optical imaging have become the basis for a high level of research activity toward the development of novel, noninvasive technologies for tissue diagnostics, which frequently called "Optical Biopsy".
    本文首先阐述了实现鼻咽癌早期诊断和定位的临床重要意义,接着分析了现有鼻咽癌诊断方法存在的主要问题。 在总结国内外光活检历史由来和发展现状的基础上,首次提出了利用激光诱导药物荧光成像技术进行早期鼻咽癌光活检的研究课题。
短句来源
    Based on researching medical optical biopsy of early nasopharyngeal carcinoma, we design the software on signal processing of fluorescence spectroscopy for diagnosis and localization of nasopharyngeal carcinoma.
    本文从医用光活检的基本理论出发,开展早期鼻咽癌荧光分光定位系统的研究,设计出该系统信号处理的软件。
短句来源
    In order to get photodisruption threshold of porcine nasopharynx tissue in nasopharynged carcinoma optical biopsy, temperature distributions in the porcine nasopharynx tissue were measured under irradiation of argon ion laser at the wavelength of 488 nm and 514.5 nm, respectively. The dependence of the temperature distribution on the measuring position and irradiation power density, as well as wavelength was studied in detail.
    为了获得用于鼻咽癌(NPC)光活检的Ar+激光对鼻咽组织的安全光剂量阈值,实验测定了离体猪鼻咽组织在Ar+激光辐照下不同位置的温度分布,重点研究了辐照功率密度和波长对组织中温度分布的影响。
短句来源

 

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  optical biopsy
Detailed morphologic characteristics of the surface crypt or "pit pattern" can be obtained with these techniques, enabling an in vivo "optical biopsy" and staging tool.
      
This is the first step for future studies and applications of Raman spectroscopy to optical biopsy and diagnosis of colorectal cancer.
      
In vivo measurements of Delayed Luminescence (DL), the low-level photo-induced emission which lasts for a longer time after switching off the excitation light, have been performed on human skin, with the aim to develop a technique for optical biopsy.
      
The optical biopsy based on intrinsic emission of MPM yields details that provide three-dimensional displaying of the tissue component and even have the potential to be used in clinical diagnostics.
      
Optical Biopsy of In Vivo Human Skin: Multi-photon Excitation Microscopy
      
更多          


In order to get photodisruption threshold of porcine nasopharynx tissue in nasopharynged carcinoma optical biopsy, temperature distributions in the porcine nasopharynx tissue were measured under irradiation of argon ion laser at the wavelength of 488 nm and 514.5 nm, respectively. The dependence of the temperature distribution on the measuring position and irradiation power density, as well as wavelength was studied in detail. Experimental results show that the temperature distributions in the porcine nasopharynx...

In order to get photodisruption threshold of porcine nasopharynx tissue in nasopharynged carcinoma optical biopsy, temperature distributions in the porcine nasopharynx tissue were measured under irradiation of argon ion laser at the wavelength of 488 nm and 514.5 nm, respectively. The dependence of the temperature distribution on the measuring position and irradiation power density, as well as wavelength was studied in detail. Experimental results show that the temperature distributions in the porcine nasopharynx tissue were significantly affected by measuring position and the power density, as well as wavelength of irradiation laser. The temperature in the porcine nasopharynx tissue is increased with the increasing of the power density of irradiation laser, and the maximal temperature can be higher than 41 5℃ when the power density reaches 1 85 W/cm 2. The optical thermal effect at the wavelength of 514 5 nm is more remarkable than that of 488 nm under the irradiation of same power density.

为了获得用于鼻咽癌(NPC)光活检的Ar+激光对鼻咽组织的安全光剂量阈值,实验测定了离体猪鼻咽组织在Ar+激光辐照下不同位置的温度分布,重点研究了辐照功率密度和波长对组织中温度分布的影响。实验结果表明,组织中的温度分布与探测位置、激光波长以及激光辐照功率密度有关。在同一波长激光辐射下,组织中的温度随着辐照激光功率密度的增大而增大,当辐照功率密度达到185W/cm2时,鼻咽组织黏膜下层的温度可超过415℃;在相同功率密度激光的辐照下,波长为5145nm的激光照射鼻咽组织时的光热效应较488nm波长明显。

In the past few years extensive attention has turned toward optical biopsy, because of its ability to perform noninvasive, real time and accurate diagnosis of tissue pathologies, especially precancer. Fluorescence spectroscopy is one of a series of techniques widely developed for optical biopsy, and can be generally divided into two categories: fluorescence spectroscopy and imaging. This paper (reviews) the applications of autofluorescence and exogenous fluorescence to optical biopsy, and the principle and advantages...

In the past few years extensive attention has turned toward optical biopsy, because of its ability to perform noninvasive, real time and accurate diagnosis of tissue pathologies, especially precancer. Fluorescence spectroscopy is one of a series of techniques widely developed for optical biopsy, and can be generally divided into two categories: fluorescence spectroscopy and imaging. This paper (reviews) the applications of autofluorescence and exogenous fluorescence to optical biopsy, and the principle and advantages as well as the clinic applications of various steady-state and time-resolved fluorescence spectroscopy and imaging techniques. Furthermore, the development perspectives of optical biopsy by using fluorescence spectroscopy and imaging are also briefly discussed.

分析了人体组织自体荧光的主要物质来源和荧光特性,同时总结了国内外常见的第二代新型光敏剂及其临床应用情况。在此基础上,全面比较了各种应用于早期肿瘤光活检的荧光光谱及其成像技术,并重点讨论了这些技术的基本原理和临床应用现状,以及它们今后的发展方向。

The principle and important applications of lasers and optoelectronics in health care treatment and biology are reviewed,including optical biopsy,nonablative optical treatment and biophotonic technology.The history,main advantages as well as recent progress and development of optical biopsy in pathological discrimination are first introduced.In particular,laser-induced fluorescence spectroscopy and imaging techniques are described in detail.Secondly,the nonablative mechanism and clinical applications of optical...

The principle and important applications of lasers and optoelectronics in health care treatment and biology are reviewed,including optical biopsy,nonablative optical treatment and biophotonic technology.The history,main advantages as well as recent progress and development of optical biopsy in pathological discrimination are first introduced.In particular,laser-induced fluorescence spectroscopy and imaging techniques are described in detail.Secondly,the nonablative mechanism and clinical applications of optical treatment are summarized.Thirdly,the principle and applications of confocal laser scanning microscopic imaging,multi-photon excited fluorescence microscopic imaging,near-field optical microscopic imaging,and optical tweezers are described.Finally,future applications and prospects are briefly discussed.

文章论述了激光与光电子技术在人类保健、医疗以及生命科学应用中的作用和意义.综述了光活检技术、光美容医疗和生物光子技术等光电子技术在保健、医疗和生物学领域中的具体应用.重点介绍了:(1)用于组织病理诊断的光活检技术,其中包括光活检的发展历史、技术优点、研究现状,以及荧光光谱和成像技术等实用光活检技术的临床应用;(2)非消融性光疗的基本作用机制和研究进展;(3)扫描共焦显微术、多光子荧光显微术、近场光学扫描显微术和光镊等显微生物成像技术的工作原理和应用.最后,展望了激光与光电子技术在生命科学中的应用前景.

 
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