Search Results - "Prahl, Scott A."

Influence of photoinitiator type on the rate of polymerization, degree of conversion, hardness and yellowing of dental resin composites by Schneider, Luis Felipe J, Pfeifer, Carmem S.C, Consani, Simonides, Prahl, Scott A, Ferracane, Jack L

“…Abstract Objectives To evaluate the degree of conversion (DC), maximum rate of polymerization ( R p max ), Knoop hardness (KHN) and yellowing ( b -value) of…”
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Effect of various decontamination procedures on disposable N95 mask integrity and SARS-CoV-2 infectivity by Smith, Jeffrey S, Hanseler, Haley, Welle, John, Rattray, Rogan, Campbell, Mary, Brotherton, Tacy, Moudgil, Tarsem, Pack, Thomas F, Wegmann, Keith, Jensen, Shawn, Jin, Justin, Bifulco, Carlo B, Prahl, Scott A, Fox, Bernard A, Stucky, Nicholas L

“…The COVID-19 pandemic has created a high demand on personal protective equipment, including disposable N95 masks. Given the need for mask reuse, we tested the…”
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Quantum yield of conversion of the photoinitiator camphorquinone by Chen, Yin-Chu, Ferracane, Jack L, Prahl, Scott A

“…Abstract The primary absorber in dental resins is the photoinitiator, which starts the photo polymerization process. We studied the quantum yield of conversion…”
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A pilot study of a simple photon migration model for predicting depth of cure in dental composite by Chen, Yin-Chu, Ferracane, Jack L., Prahl, Scott A.

“…The purpose of this study was to build a photo migration model to calculate the radiant exposure (irradiance×time) in dental composite and to relate the…”
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Design, testing, and clinical studies of a handheld polarized light camera by Ramella-Roman, Jessica C, Lee, Ken, Prahl, Scott A, Jacques, Steven L

“…Polarized light imaging has been used to detect the borders of skin cancer and facilitate assessment of cancer boundaries. A design for an inexpensive handheld…”
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Curing efficiency of dental resin composites formulated with camphorquinone or trimethylbenzoyl-diphenyl-phosphine oxide by Schneider, Luis Felipe J, Cavalcante, Larissa Maria, Prahl, Scott A, Pfeifer, Carmem S, Ferracane, Jack L

“…Abstract Objectives Since photoinitiator systems for dental resins based on camphorquinone (CQ) present color disadvantages,…”
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Three Monte Carlo programs of polarized light transport into scattering media: part II by Ramella-Roman, Jessica C, Prahl, Scott A, Jacques, Steven L

“…Three Monte Carlo programs were developed which keep track of the status of polarization of light traveling through mono-disperse solutions of micro-spheres…”
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Preparation and characterization of polyurethane optical phantoms by Moffitt, Theodore, Chen, Yin-Chu, Prahl, Scott A

“…We describe a method for the preparation of a polyurethane phantom to simulate the optical properties of biologic tissues at two wavelengths in the visible and…”
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Spectroscopic sensitive polarimeter for biomedical applications by Ramella-Roman, Jessica C, Nayak, Amritha, Prahl, Scott A

“…We present the design and calibration of a spectroscopic sensitive polarimeter. The polarimeter can measure the full Stokes vector in the wavelength range 550…”
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Quantitative Carré differential interference contrast microscopy to assess phase and amplitude by Duncan, Donald D, Fischer, David G, Dayton, Amanda, Prahl, Scott A

“…We present a method of using an unmodified differential interference contrast microscope to acquire quantitative information on scatter and absorption of thin…”
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Radiative transport in the delta-P1 approximation: accuracy of fluence rate and optical penetration depth predictions in turbid semi-infinite media by Carp, Stefan A, Prahl, Scott A, Venugopalan, Vasan

“…Using the delta-P(1) approximation to the Boltzmann transport equation we develop analytic solutions for the fluence rate produced by planar (1-D) and Gaussian…”
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Monte Carlo modeling of spatial coherence: free-space diffraction by Fischer, David G, Prahl, Scott A, Duncan, Donald D

“…We present a Monte Carlo method for propagating partially coherent fields through complex deterministic optical systems. A Gaussian copula is used to…”
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Monte Carlo Green's function formalism for the propagation of partially coherent light by Prahl, Scott A, Fischer, David G, Duncan, Donald D

“…We present a Monte Carlo-derived Green's function for the propagation of partially spatially coherent fields. This Green's function, which is derived by…”
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Preparation of dissolvable albumin stents for vascular anastomosis with a 1.9 µm laser and in vitro mechanical strength assessments by McCargar, Reid, Jenson, Kari, Dayton, Amanda, Murphy, Katrina, Xie, Hua, Prahl, Scott A.

“…Introduction We present a clinically relevant method for producing and sterilizing dissolvable albumin stents to provide intraluminal support during vascular…”
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Intraluminal albumin stent assisted laser welding for ureteral anastomosis by Xie, Hua, Shaffer, Brian S., Prahl, Scott A., Gregory, Kenton W.

“…Background and Objectives The success of laser tissue welding or soldering depends on optimal laser settings, solder material, and tissue type and geometry. To…”
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Experimental validation of phase using Nomarski microscopy with an extended Fried algorithm by Prahl, Scott A, Dayton, Amanda, Juedes, Kyle, Sánchez, Erik J, López, Rafael Páez, Duncan, Donald D

“…Reconstruction of an image (or shape or wavefront) from measurements of the derivatives of the image in two orthogonal directions is a common problem. We…”
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Laser ureteral anastomosis using intraluminal albumin stent in a porcine model by Xie, Hua, Shaffer, Brian S., Prahl, Scott A., Gregory, Kenton W.

“…Background and Objectives We compared ureteral anastomosis using a laser and intraluminal albumin stent with both conventional suturing and laser soldering…”
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Clinical testing of a photoacoustic probe for port wine stain depth determination by Viator, John A., Au, Gigi, Paltauf, Guenther, Jacques, Steven L., Prahl, Scott A., Ren, Hongwu, Chen, Zhongping, Nelson, J. Stuart

“…Background and Objective Successful laser treatment of port wine stain (PWS) birthmarks requires knowledge of lesion geometry. Laser parameters, such as pulse…”
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Hemostasis after Liver Resection Improves after Single Application of Albumin and Argon Beam Coagulation by Mueller, Genevieve R., Wolf, Ronald F., Hansen, Paul D., Gregory, Kenton W., Prahl, Scott A.

“…Background Bleeding from the liver surface is common after hepatic resection. Animal studies have demonstrated superiority of argon beam coagulation (ABC) and…”
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Collection efficiency of a single optical fiber in turbid media by Bargo, Paulo R, Prahl, Scott A, Jacques, Steven L

“…If a single optical fiber is used for both delivery and collection of light, two major factors affect the measurement of collected light: (1) the light…”
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