Search Results - "UTZINGER, U."

Near-Infrared Raman Spectroscopy for in vivo Detection of Cervical Precancers by Utzinger, Urs, Heintzelman, Douglas L., Mahadevan-Jansen, Anita, Malpica, Anais, Follen, Michele, Richards-Kortum, Rebecca

“…This study evaluates the potential of near-infrared Raman spectroscopy for in vivo detection of squamous dysplasia, a precursor to cervical cancer. A pilot…”
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Optical Imaging Falloposcope for Minimally Invasive Ovarian Cancer Detection by Keenan, M.R, Tate, T, Swan, E, Black, J, Utzinger, U, Barton, J.K

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Optimal excitation wavelengths for discrimination of cervical neoplasia by Chang, S.K., Follen, M., Malpica, A., Utzinger, U., Staerkel, G., Cox, D., Neely Atkinson, E., MacAulay, C., Richards-Kortum, R.

“…Fluorescence spectroscopy has shown promise for the in vivo, real-time detection of cervical neoplasia. However, selection of excitation wavelength has in the…”
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Optimal visual perception and detection of oral cavity neoplasia by UTZINGER, Urs, BUEELER, Michael, SANGHOON OH, HEINTZELMAN, Douglas L, SVISTUN, Ekaterina S, ABD-EL-BARR, Muhammad, GILLENWATER, Ann, RICHARDS-KORTUM, Rebecca

“…The most common way to detect disease is by visual inspection of the suspect tissue. However, the human eye is not optimized for this task because the…”
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Performance estimation of diagnostic tests for cervical precancer based on fluorescence spectroscopy: effects of tissue type, sample size, population, and signal-to-noise ratio by Utzinger, U., Trujillo, E.V., Atkinson, E.N., Mitchell, M.F., Cantor, S.B., Richards-Kortum, R.

“…Fluorescence spectroscopy may provide a cost-effective tool to improve precancer detection. The authors describe a method to estimate the diagnostic…”
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Fiber optic probes for biomedical optical spectroscopy by Utzinger, Urs, Richards-Kortum, Rebecca R

“…Fiber optic probes are a key element for biomedical spectroscopic sensing. We review the use of fiber optic probes for optical spectroscopy, focusing on…”
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Optimal visual perception and detectionof oral cavity neoplasia by Utzinger, U., Bueeler, M., Sanghoon Oh, Heintzelman, D.L., Svistun, E.S., Abd-El-Barr, M., Gillenwater, A., Richards-Kortum, R.

“…The most common way to detect disease is by visual inspection of the suspect tissue. However, the human eye is not optimized for this task because the…”
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The Determination of Absorption and Reduced Scattering Coefficients of Optical Phantoms Using a Frequency-Domain Multi-Distance Method in a Non-contact Manner by BAL, U., UTZINGER, U., BAL, A., MORAL, O. T.

“…A non-contact optical system has been designed to determine the absorption and reduced scattering coefficients of optical phantoms. The frequency-domain…”
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Excimer laser spectroscopy: influence of tissue ablation on vessel wall fluorescence by Strebel, R T, Utzinger, U, Peltola, M, Schneider, J, Niederer, P F, Hess, O M

“…Limited steerability and injury to the normal vessel wall are major drawbacks of laser coronary angioplasty. To overcome these limitations a new generation of…”
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Miniature endoscope for simultaneous optical coherence tomography and laser-induced fluorescence measurement by Tumlinson, Alexandre R, Hariri, Lida P, Utzinger, Urs, Barton, Jennifer K

“…We have designed a multimodality system that combines optical coherence tomography (OCT) and laser-induced fluorescence (LIF) in a 2.0-mm-diameter endoscopic…”
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Understanding the contributions of NADH and collagen to cervical tissue fluorescence spectra: modeling, measurements, and implications by Drezek, R, Sokolov, K, Utzinger, U, Boiko, I, Malpica, A, Follen, M, Richards-Kortum, R

“…At 380 nm excitation, cervical tissue fluorescence spectra demonstrate characteristic changes with both patient age and the presence of dysplasia. A Monte…”
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Tryptophan Fluorescence of Cells and Tissue in Esophageal Carcinoma by Banerjee, B., Graves, L. R., Utzinger, U.

“…Cancer is a cellular process. The emission spectrum of tryptophan, which produces the strongest fluorescence in cells, was investigated in cells and tissues of…”
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Fluorescence spectroscopy for identification of atherosclerotic tissue by Bosshart, F, Utzinger, U, Hess, O M, Wyser, J, Mueller, A, Schneider, J, Niederer, P, Anliker, M, Krayenbuehl, H P

“…Vessel perforation and limited steerability of the laser light are the major limitations of laser angioplasty. To improve steerability fluorescence…”
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Endoscopic optical coherence tomography and laser-induced fluorescence spectroscopy in a murine colon cancer model by Hariri, Lida P., Tumlinson, Alexandre R., Besselsen, David G., Utzinger, Urs, Gerner, Eugene W., Barton, Jennifer K.

“…Background and Objectives The diagnostic feasibility of optical coherence tomography (OCT) and laser‐induced fluorescence (LIF) have been evaluated for human…”
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Near-Infrared Raman Spectroscopy for In Vitro Detection of Cervical Precancers by Mahadevan-Jansen, Anita, Mitchell, Michele Follen, Ramanujam, Nirmala, Malpica, Anais, Thomsen, Sharon, Utzinger, Urs, Richards-Kortum, Rebecca

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Endogenous Fluorescence Spectroscopy of Cell Suspensions for Chemopreventive Drug Monitoring by Kirkpatrick, Nathaniel D., Zou, Changping, Brewer, Molly A., Brands, William R., Drezek, Rebekah A., Utzinger, Urs

“…Cancer chemopreventive agents such as N-4-(hydroxyphenyl)retinamide (4HPR) are thought to prevent cancers by suppressing growth or inducing apoptosis in…”
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Near-Infrared Raman Spectroscopy for In Vitro Detection of Cervical Precancers by Mahadevan-Jansen, Anita, Mitchell, Michele Follen, Ramanujamf, Nirmala, Malpica, Anais, Thomsen, Sharon, Utzinger, Urs, Richards-Kortumt, Rebecca

“…— In this study, we investigate the potential of near‐infrared Raman spectroscopy to differentiate cervical precancers from normal tissues, inflammation and…”
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Depth-sensitive reflectance measurements using obliquely oriented fiber probes by Wang, Adrien Ming Jer, Bender, Janelle Elise, Pfefer, Joshua, Utzinger, Urs, Drezek, Rebekah Anna

“…Computer simulation is used to facilitate the design of fiber-probe geometries that enable enhanced detection of optical signals arising from specific tissue…”
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Fiber optic probe for polarized reflectance spectroscopy in vivo: design and performance by Myakov, Alexey, Nieman, Linda, Wicky, Lorenz, Utzinger, Urs, Richards-Kortum, Rebecca, Sokolov, Konstantin

“…We present the design and construction of a fiber optic probe for elastic light scattering spectroscopy in vivo with polarized excitation and polarization…”
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Optimal Excitation Wavelengths for In Vivo Detection of Oral Neoplasia Using Fluorescence Spectroscopy by Heintzelman, Douglas L., Utzinger, Urs, Fuchs, Holger, Zuluaga, Andres, Gossage, Kirk, Gillenwater, Ann M., Jacob, Rhonda, Kemp, Bonnie, Richards-Kortum, Rebecca R.

“…There is no satisfactory mechanism to detect premalignant lesions in the upper aero-digestive tract. Fluorescence spectroscopy has potential to bridge the gap…”
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