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Showing 1 to 12 of 42068 entries
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Surface plasmon resonance as detection tool for lipids lateral mobility in biomimetic membranes.

Biomedical optics express

Margheri G, D'Agostino R, Becucci L, Guidelli R, Tiribilli B, Del Rosso M.
PMID: 23243563
Biomed Opt Express. 2012 Dec 01;3(12):3119-26. doi: 10.1364/BOE.3.003119. Epub 2012 Nov 06.

A procedure based on surface plasmon resonance (SPR) is proposed to monitor the lateral mobility of lipid molecules in solid-supported bilayer lipid membranes (ssBLMs), an essential prerequisite for the formation of important microdomains called lipid rafts (LRs). The procedure...

A liquid optical phantom with tissue-like heterogeneities for confocal microscopy.

Biomedical optics express

Wang D, Chen Y, Liu JT.
PMID: 23243566
Biomed Opt Express. 2012 Dec 01;3(12):3153-60. doi: 10.1364/BOE.3.003153. Epub 2012 Nov 07.

Phantoms play an important role in the development, standardization, and calibration of biomedical imaging devices in laboratory and clinical settings, serving as standards to assess the performance of such devices. Here we present the design of a liquid optical...

Binocular visual performance and summation after correcting higher order aberrations.

Biomedical optics express

Sabesan R, Zheleznyak L, Yoon G.
PMID: 23243568
Biomed Opt Express. 2012 Dec 01;3(12):3176-89. doi: 10.1364/BOE.3.003176. Epub 2012 Nov 08.

Although the ocular higher order aberrations degrade the retinal image substantially, most studies have investigated their effect on vision only under monocular conditions. Here, we have investigated the impact of binocular higher order aberration correction on visual performance and...

Direct visualization and characterization of erythrocyte flow in human retinal capillaries.

Biomedical optics express

Bedggood P, Metha A.
PMID: 23243576
Biomed Opt Express. 2012 Dec 01;3(12):3264-77. doi: 10.1364/BOE.3.003264. Epub 2012 Nov 15.

Imaging the retinal vasculature offers a surrogate view of systemic vascular health, allowing noninvasive and longitudinal assessment of vascular pathology. The earliest anomalies in vascular disease arise in the microvasculature, however current imaging methods lack the spatiotemporal resolution to...

Autoregressive model based algorithm for correcting motion and serially correlated errors in fNIRS.

Biomedical optics express

Barker JW, Aarabi A, Huppert TJ.
PMID: 24009999
Biomed Opt Express. 2013 Jul 17;4(8):1366-79. doi: 10.1364/BOE.4.001366. eCollection 2013.

Systemic physiology and motion-induced artifacts represent two major sources of confounding noise in functional near infrared spectroscopy (fNIRS) imaging that can reduce the performance of analyses and inflate false positive rates (i.e., type I errors) of detecting evoked hemodynamic...

Optimization of wavefront-coded infinity-corrected microscope systems with extended depth of field.

Biomedical optics express

Zhao T, Mauger T, Li G.
PMID: 24010008
Biomed Opt Express. 2013 Jul 31;4(8):1464-71. doi: 10.1364/BOE.4.001464. eCollection 2013.

The depth of field of an infinity-corrected microscope system is greatly extended by simply applying a specially designed phase mask between the objective and the tube lens. In comparison with the method of modifying the structure of objective, it...

Time-resolved diffuse optical tomography using fast-gated single-photon avalanche diodes.

Biomedical optics express

Puszka A, Di Sieno L, Mora AD, Pifferi A, Contini D, Boso G, Tosi A, Hervé L, Planat-Chrétien A, Koenig A, Dinten JM.
PMID: 24009998
Biomed Opt Express. 2013 Jul 17;4(8):1351-65. doi: 10.1364/BOE.4.001351. eCollection 2013.

We present the first experimental results of reflectance Diffuse Optical Tomography (DOT) performed with a fast-gated single-photon avalanche diode (SPAD) coupled to a time-correlated single-photon counting system. The Mellin-Laplace transform was employed to process time-resolved data. We compare the...

Dynamic heart rate measurements from video sequences.

Biomedical optics express

Yu YP, Raveendran P, Lim CL.
PMID: 26203374
Biomed Opt Express. 2015 Jun 12;6(7):2466-80. doi: 10.1364/BOE.6.002466. eCollection 2015 Jul 01.

This paper shows how dynamic heart rate measurements that are typically obtained from sensors mounted near to the heart can also be obtained from video sequences. In this study, two experiments are carried out where a video camera captures...

Rapid 3D µ-printing of polymer optical whispering-gallery mode resonators.

Optics express

Wu J, Guo X, Zhang AP, Tam HY.
PMID: 26698452
Opt Express. 2015 Nov 16;23(23):29708-14. doi: 10.1364/OE.23.029708.

A novel microfabrication method for rapid printing of polymer optical whispering-gallery mode (WGM) resonators is presented. A 3D micro-printing technology based on high-speed optical spatial modulator (SLM) and high-power UV light source is developed to fabricate suspended-disk WGM resonator...

Design of short wave infrared imaging spectrometer system based on CDP.

Optics express

Zhang Z, Hu B, Yin Q, Yu T, Li S, Gao X, Zhang H.
PMID: 26698458
Opt Express. 2015 Nov 16;23(23):29758-63. doi: 10.1364/OE.23.029758.

A compact static infrared snapshot imaging spectrometer (ISIS) is designed in order to satisfy the application requirements of real-time spectral imaging for the moving targets. It consists of a CDP (crossed dispersion prism), an imaging lens, and a detector....

Improving image contrast in fluorescence microscopy with nanostructured substrates.

Optics express

Brunstein M, Cattoni A, Estrada L, Yacomotti AM.
PMID: 26698460
Opt Express. 2015 Nov 16;23(23):29772-8. doi: 10.1364/OE.23.029772.

Metallic and dielectric nanostructures can show sharp contrasted resonances, sensitive to the environment, and high field enhancement in sub-wavelength volumes. For this reason, these structures are commonly used as molecular sensors. Only few works have focused on their application...

Time-lenses for time-division multiplexing of optical OFDM channels.

Optics express

Geng Z, Corcoran B, Zhu C, Lowery AJ.
PMID: 26698462
Opt Express. 2015 Nov 16;23(23):29788-801. doi: 10.1364/OE.23.029788.

Time-lenses provide a promising platform for novel, broadband optical signal processing. However, in order to minimize system penalties, design constraints must be adequately taken into account. We investigate the impact of third-order-dispersion and nonlinear distortion on the performance of...

Showing 1 to 12 of 42068 entries