Recent progress in medical photonics

Xie, Shusen; Hui, Li; Li, Buhong

doi:10.1007/s11433-009-0111-4

Cited by 6 publications

(12 citation statements)

References 36 publications

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“…This confirms that the tumors were responsible for the absorption of laser light and subsequent heating of the tumor tissue. 30 The tumors heated at 2 W cm −2 formed an eschar and diminished. 4).…”

Section: Image Processingmentioning

confidence: 99%

High-performance near-infrared imaging for breast cancer detection

El-Sharkawy

El-Sherif²

2014

J. Biomed. Opt

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We present a method for the noninvasive determination of the size, position, and optical properties of tumors in the human breast. The tumor is first detected by photothermal imaging. It is then sized, located, and optically characterized using designed digital image processing and edge-detection pattern recognition. The method assumes that the tumor is spherical and inhomogeneous and embedded in an otherwise homogeneous tissue. Heat energy is deposited in the tissue by absorption of near-infrared (NIR) Nd:YAG laser radiation, and its subsequent conversion to heat via vibrational relaxation causes a rise in temperature of the tissue. The tumor absorbs and scatters NIR light more strongly than the surrounding healthy tissue. Heat will diffuse through the tissue, causing a rise in temperature of the surrounding tissue. Differentiation between normal and cancerous tissues is determined using IR thermal imaging. Results are presented on a 55-year-old patient with a papillary breast cancer. We found that these results provide the clinician with more detailed information about breast lesions detected by photothermal imaging and thereby enhance its potential for specificity.

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Section: Image Processingmentioning

confidence: 99%

High-performance near-infrared imaging for breast cancer detection

El-Sharkawy

El-Sherif²

2014

J. Biomed. Opt

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“…Proof of zero condition of wave on the outer side of inner boundary R + 1 of GLHUA outer layer cloak Using GL no scattering modeling inversion with generalized regularization [2] [3] [24][25], E(R + 1 , θ, φ) = 0, in (4) is in (40), (52) in [1], and H(R + 1 , θ, φ) = 0, in ( 5) is in (41), (53) in [1] in generalized regularization that are proved in the theorem 4.1 and the theorem 4.3 respectively in [1].…”

Section: Ementioning

confidence: 99%

“…There is substantial evidence to show that after Gunther Uhlmann review and unreasonably rejected our paper arXiv:0904.3168 in April of 2009 [9] and read our paper arXiv:1005.3999 [11] in May of 2010, After Gunther Uhlmann did know that we use GILD and GL No scattering inversion to create our GLLH double layer cloak, then From 2011, Gunther Uhlmann based on our "inversion and cloak" idea and concepts in our papers, he talks "Inverse Problem and Harry Poter Cloak " in USA, Hong Kong ,and every where in China, but Gunther Uhlmann did not cite and mention our cloak and our inversion method in his talks. In Gunther Uhlmann's papers and talks on "inverse Problem", He did not cite our pioneer papers on inversion of the coefficient of the 3D wave equation [24]]25] in Chinese sciences in 1988 and paper [30] 18, In our speak, we proposed "Super Sciences" which has been published in version 1 of this paper. submitted in December 1 of 2016.…”

Section: Introductionmentioning

confidence: 99%

“…All Huang, Yunqing and Chen, Chuanmiao's rumors of the report is very obvious lie. What is moreover, Zhejiang University's Gang Bao does include our scattering forward and inversion research results [24][25] [30] as his results lie to request Chinese Natural Science Award. We have already reported the above two academic corruptions to Chinese government).…”

Section: Introductionmentioning

confidence: 99%

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Novel GLHUA Electromagnetic Invisible Double Layer Cloak With Relative Parameters Not Less Than 1 and GL No Scattering Inversion,radial R in the sphere coordinate can be negative in a negative space world

Li,

Xie,

Xie

et al. 2016

Preprint

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We obtained the practicable GLHUA outer layered EM invisible cloak without exceeding light speed propagation. That is additional new theoretical base for practicable GLHUA outer layered EM invisible cloak.The GLHUA analytical modeling and inversion, GLHUA and GLLH double layer invisible cloak and GLHUA exact analytical full EM wave in GLHUA double layer cloak are patent by authors in GL Geophysical laboratory in USA and in Dayuling Super Computation center in China. If anyone colleague use our GLHUA and GLLH double layer invisible cloak and GLHUA exact analytical EM wave propagation for research and product, please be sure to cite our papers in his papers or reports. otherwise it is essentially to plagiarism our research results. We hope our practicable GLHUA double layer and GLLH Double layer invisible cloak will be used to invisible cloaking spacecraft for space and interstellar sailing of people in the world We hope our practicable GLHUA double layer and GLLH Double layer cloak will be used for peace and sciences of people in the world. A detailed GLHUA analytical method for EM full wave propagation in GLHUA cloak and GLLH cloak will be published in our next new paper. Copyright and patent of the GLLH EM cloaks and GL modeling and inversion methods, GLHUA analytical modeling and inversion methods, our GLHUA exact analytical EM full wave solution of 3D Maxwell EM equation in GLHUA double cloak and in any sphere annular cloak are reserved by authors in GL Geophysical Laboratory.

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“…Photonics-based techniques have, for years, been some of the most effective methods of screening, diagnosis, and treatment in many medical conditions. 1,2 This role has presented itself to be particularly vital for research into numerous forms of cancer. Urinary bladder cancer (BC) is of special interest, due to its position as one of the top 10 most prevalent and expensive cancers in the world.…”

Section: Introductionmentioning

confidence: 99%

Computational model of bladder tissue based on its measured optical properties

et al. 2016

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Urinary bladder diseases are a common problem throughout the world and often difficult to accurately diagnose. Furthermore, they pose a heavy financial burden on health services. Urinary bladder tissue from male pigs was spectrophotometrically measured and the resulting data used to calculate the absorption, transmission, and reflectance parameters, along with the derived coefficients of scattering and absorption. These were employed to create a "generic" computational bladder model based on optical properties, simulating the propagation of photons through the tissue at different wavelengths. Using the Monte-Carlo method and fluorescence spectra of UV and blue excited wavelength, diagnostically important biomarkers were modeled. Additionally, the multifunctional noninvasive diagnostics system "LAKK-M" was used to gather fluorescence data to further provide essential comparisons. The ultimate goal of the study was to successfully simulate the effects of varying excited radiation wavelengths on bladder tissue to determine the effectiveness of photonics diagnostic devices. With increased accuracy, this model could be used to reliably aid in differentiating healthy and pathological tissues within the bladder and potentially other hollow organs.

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Recent progress in medical photonics

Cited by 6 publications

References 36 publications

High-performance near-infrared imaging for breast cancer detection

High-performance near-infrared imaging for breast cancer detection

Novel GLHUA Electromagnetic Invisible Double Layer Cloak With Relative Parameters Not Less Than 1 and GL No Scattering Inversion,radial R in the sphere coordinate can be negative in a negative space world

Computational model of bladder tissue based on its measured optical properties

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