Journal of Biomedical Optics
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- Society of Photo-Optical Instrumentation Engineers, Proquest, and CSA
Pulsed laser ablation of dental calculus in the near ultraviolet.
Our results indicate that calculus ablation at this wavelength relies on the absorption of porphyrins endogenous to oral bacteria commonly found in calculus. Sub- and supragingival calculus on extracted human teeth, irradiated with 400-nm, 60-ns laser pulses at ≤8 J/cm2, exhibits a photobleached su...
Spectroscopic intravascular photoacoustic imaging of lipids in atherosclerosis.
We aim to image atherosclerotic plaque lipids and other vessel wall constituents with spectroscopic intravascular photoacoustics (sIVPA). sIVPA imaging can identify lipids in human coronary atherosclerotic plaque by relying on contrast in the near-infrared absorption spectra of the arterial wall com...
Optimal variable selection for Fourier transform infrared spectroscopic analysis of articular cartilage composition.
ABSTRACT. Articular cartilage (AC) is mainly composed of collagen, proteoglycans, chondrocytes, and water. These constituents are inhomogeneously distributed to provide unique biomechanical properties to the tissue. Characterization of the spatial distribution of these components in AC is important...
Special section guest editorial: optical coherence tomography and interferometry: advanced engineering and biomedical applications.
Propagation of coherent polarized light in turbid highly scattering medium.
We present an approach for modeling of coherent polarized light propagation in highly scattering turbid media, such as biological tissues. The temporal coherence of light, linear and circular polarization, interference, and the helicity flip of circularly polarized light due to reflection at the med...
Elucidation of the mechanisms of optical clearing in collagen tissue with multiphoton imaging.
We also found that phosphate-buffered saline- and glycerol-treatments were reversible, and fiber morphology and SHG signal intensity were recovered after the removal of immersion agents. It was shown that tissue OC was a dynamic process and elucidation of its physical mechanisms may help choose opti...
Comprehensive data visualization for high resolution endovascular carotid arterial wall imaging.
Carotid angioplasty and stenting is a minimally invasive endovascular procedure that may benefit from in vivo high resolution imaging for monitoring the physical placement of the stent and potential complications. The purpose of this pilot study was to evaluate the ability of optical...
Errata: Localization capability and limitation of electron-multiplying charge-coupled, scientific complementary metal-oxide semiconductor, a...
Second harmonic generation signal in collagen fibers: role of polarization, numerical aperture, and wavelength.
Our results show that polarization modulates the SHG signal. Elliptical polarization can generate high signals (even greater than those corresponding to linear polarization) when combined with appropriate values of both incident wavelength and NA. On the other hand, the SHG intensity might also be i...
Optodynamic monitoring of laser tattoo removal.
We simultaneously employed a laser-beam deflection probe (LBDP) to measure the shock wave and a camera to detect the plasma radiation, both originating from a high-intensity laser-pulse interaction with a tattoo. The experiments were performed in vitro (skin phantoms), ex vivo (marking tattoos on pi...