Prof. Guillermo Aguilar Profile

Prof. Guillermo Aguilar

Professor and Department Head at Texas A&M University

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 20 August 2020 Poster + Paper

Cerebral hypoxia detection by diffuse reflectance spectroscopy through a transparent cranial implant: feasibility evaluation using Monte Carlo method

Fredy Miranda-Casasola, Nami Davoodzadeh, Celia Sánchez-Pérez, Guillermo Aguilar, Enoch Gutierrez-Herrera

Proceedings Volume 11484, 114840N (2020) https://doi.org/10.1117/12.2569067

KEYWORDS: Oxygen, Tissue optics, Brain, Blood vessels, Absorption, Diffuse reflectance spectroscopy, Monte Carlo methods, Hypoxia

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Proceedings Article | 21 February 2020 Paper

Optical access to the brain through a transparent cranial implant

Mildred Cano-Velázquez, Nami Davoodzadeh, David Halaney, Carrie Jonak, Devin Binder, Juan Hernández-Cordero, Guillermo Aguilar

Proceedings Volume 11234, 112341A (2020) https://doi.org/10.1117/12.2541042

KEYWORDS: Skull, Transmittance, Tissue optics, Brain, Ceramics, Scattering, Optical clearing, Light scattering, In vivo imaging

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Proceedings Article | 7 March 2019 Presentation + Paper

Growth inhibition of Staphylococcus Aureus by a combined treatment of ZnO nanoparticles and femtosecond laser light

Crysthal Alvarez, Alma Hernandez, Natanael Cuando, Guillermo Aguilar

Proceedings Volume 10863, 1086316 (2019) https://doi.org/10.1117/12.2510263

KEYWORDS: Zinc oxide, Nanoparticles, Femtosecond phenomena, Infrared lasers, Laser therapeutics, Brain, Bacteria

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Proceedings Article | 1 March 2019 Presentation + Paper

Evaluation of a transparent cranial implant for multi-wavelength intrinsic optical signal imaging

Nami Davoodzadeh, Mildred Cano-Velázquez, David Halaney, Carrie Jonak, Devin Binder, Guillermo Aguilar

Proceedings Volume 10865, 108650B (2019) https://doi.org/10.1117/12.2511035

KEYWORDS: Brain, Skull, Tissue optics, Neuroimaging, Intrinsic optical signal imaging, Ocean optics, Brain imaging, Multispectral imaging, Reflectivity, Intrinsic optical signal

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Proceedings Article | 19 February 2018 Presentation + Paper

Influence of low temperature ageing on optical and mechanical properties of transparent yittria stabilized-zirconia cranial prosthesis

Nami Davoodzadeh, Gottlieb Uahengo, David Halaney, Javier Garay, Guillermo Aguilar

Proceedings Volume 10486, 104860A (2018) https://doi.org/10.1117/12.2287296

KEYWORDS: Zirconium dioxide, Transparency, In vivo imaging, Transmittance, Ceramics, Temperature metrology, Brain, Skull, Thermography, Diagnostics and therapeutics

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Proceedings Article | 13 February 2018 Presentation + Paper

Laser speckle imaging of brain blood flow through a transparent nanocrystalline yttria-stabilized-zirconia cranial implant

Nami Davoodzadeh, David Halaney, Carrie Jonak, Natanael Cuando, Amirhessam Aminfar, Devin Binder, Guillermo Aguilar

Proceedings Volume 10493, 1049303 (2018) https://doi.org/10.1117/12.2285953

KEYWORDS: Skull, Speckle, Blood circulation, Neuroimaging, Brain, Laser speckle imaging, Spatial resolution, Visualization, Transparency, Bone

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Proceedings Article | 12 February 2018 Presentation + Paper

Antibacterial studies of ZnO nanoparticle coatings on nanocrystalline YSZ irradiated with femtosecond laser light

Crysthal Alvarez, Valeria Garcia, Natanael Cuando, Guillermo Aguilar

Proceedings Volume 10469, 104691E (2018) https://doi.org/10.1117/12.2289412

KEYWORDS: Zinc oxide, Nanoparticles, Laser irradiation, Femtosecond phenomena, Infrared lasers, Ultraviolet radiation, Ceramics, Brain, Liquids, Bacteria

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Proceedings Article | 1 August 2017 Paper

Femtosecond laser assisted antibacterial activity of ZnO nanoparticles

Yryx Yanet Luna Palacios , Crysthal Alvarez, Natanael Cuando-Espitia, David Halaney, Santiago Camacho-Lopez, Guillermo Aguilar

Proceedings Volume 10417, 104170J (2017) https://doi.org/10.1117/12.2285968

KEYWORDS: Femtosecond phenomena, Zinc oxide, Nanoparticles, Bacteria

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Proceedings Article | 1 August 2017 Paper

Laser-excited gold nanoparticles for treatment of cancer cells in vitro

Noé Zamora-Romero, Vicente Robles, Crysthal Alvarez, Natanael Cuando-Espitia, Luis Devia-Cruz, Elias Penilla, David Halaney, Guillermo Aguilar

Proceedings Volume 10417, 1041707 (2017) https://doi.org/10.1117/12.2286005

KEYWORDS: Gold, Cavitation, Nanoparticles, Cancer, Oncology, In vitro testing, Nanorods, Plasmonics

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Proceedings Article | 24 April 2017 Presentation

Photothermal therapy to damage PC3 cancer cells: in vitro studies of a pulsed laser (Conference Presentation)

Noe Zamora-Romero, Guillermo Aguilar, Luis Devia-Cruz, Darren Banks, Bin Zhang, David Halaney

Proceedings Volume 10078, 100780F (2017) https://doi.org/10.1117/12.2252943

KEYWORDS: Tumors, In vivo imaging, Cancer, Pulsed laser operation, Continuous wave operation, Laser therapeutics, In vitro testing, Nanoparticles, Oncology, Cavitation

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Proceedings Article | 15 March 2013 Paper

Liquid jet generated by thermocavitation bubbles within a droplet

J. Padilla-Martinez, Darren Banks, J. Ramirez-San-Juan, G. Aguilar, R. Ramos-Garcia

Proceedings Volume 8611, 86111J (2013) https://doi.org/10.1117/12.2004686

KEYWORDS: Liquids, Cavitation, Continuous wave operation, Glasses, Acoustics, Wave propagation, Microscopes, Video, Copper, Interfaces

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SPIE Journal Paper | 1 November 2011 Open Access

Time-resolved study of the mechanical response of tissue phantoms to nanosecond laser pulses

Francisco Perez-Gutierrez, Santiago Camacho-López, Guillermo Aguilar

JBO, Vol. 16, Issue 11, 115001, (November 2011) https://doi.org/10.1117/12.10.1117/1.3644380

KEYWORDS: Absorption, Pulsed laser operation, Sensors, Laser tissue interaction, Plasma, Ferroelectric polymers, Cavitation, Tissue optics, Natural surfaces, Tissues

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Proceedings Article | 26 October 2011 Paper

Thermocavitation as a tool for stratum corneum permeation

J. P. Padilla-Martínez, J. Ramírez-San-Juan, R. Ramos-García, F. Sun, G. Aguilar

Proceedings Volume 8011, 80112Z (2011) https://doi.org/10.1117/12.901583

KEYWORDS: Cavitation, Tissues, Breast, Microscopes, Continuous wave operation, Liquids, Video, Solids, Pulsed laser operation, Copper

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Proceedings Article | 9 September 2011 Paper

Temporal evolution of thermocavitation bubbles using high speed video camera

J. Padilla-Martinez, G. Aguilar, J. Ramirez-San-Juan, R. Ramos-García

Proceedings Volume 8097, 809727 (2011) https://doi.org/10.1117/12.894467

KEYWORDS: Cavitation, Video, Cameras, Continuous wave operation, Absorption, High speed cameras, Explosives, Solids, Copper, Microscopes

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Proceedings Article | 2 June 2011 Paper

Experimental study of mechanical response of artificial tissue models irradiated with Nd:YAG nanosecond laser pulses

Francisco Pérez-Gutiérrez, Santiago Camacho-López, Guillermo Aguilar

Proceedings Volume 8092, 809207 (2011) https://doi.org/10.1117/12.889686

KEYWORDS: Absorption, Plasma, Sensors, Pulsed laser operation, Ferroelectric polymers, Laser tissue interaction, Cavitation, Wave propagation, Transient nonlinear optics, Tissue optics

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Proceedings Article | 2 March 2010 Paper

Effect of vacuum and thermal shock on laser treatment of trichophyton rubrum (toenail fungus)

Guillermo Aguilar, Feng Sun, Pierre Carlier, Erica Young, David Hennings, F. Javier González

Proceedings Volume 7548, 754805 (2010) https://doi.org/10.1117/12.841056

KEYWORDS: HVAC controls, Laser irradiation, Humidity, Fungi, Thermal effects, Absorbance, Laser therapeutics, Therapeutics, Stars, Reflectivity

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Proceedings Article | 23 February 2010 Paper

Mechanical response of agar gel irradiated with Nd:YAG nanosecond laser pulses

Francisco Pérez-Gutiérrez, Rodger Evans, Santiago Camacho-López, Guillermo Aguilar

Proceedings Volume 7562, 756212 (2010) https://doi.org/10.1117/12.841476

KEYWORDS: Absorption, Sensors, Ferroelectric polymers, Pulsed laser operation, Plasma, Transient nonlinear optics, Signal detection, Laser tissue interaction, Nonlinear optics, Tissues

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Proceedings Article | 12 February 2009 Paper

Cell damage extent due to irradiation with nanosecond laser pulses under cell culturing medium and dry environment

Francisco Pérez-Gutiérrez, Gabriel Guillen, Rodger Evans, Santiago Camacho-López, Guillermo Aguilar

Proceedings Volume 7175, 717514 (2009) https://doi.org/10.1117/12.816562

KEYWORDS: Plasma, Laser energy, Pulsed laser operation, Solids, Video, Tissues, Plasma generation, Tissue optics, Liquids, Visualization

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Proceedings Article | 16 May 2007 Paper

Irradiation of biological tissue using pulsed lasers: results and applications in medical areas

Alejandra Mina-Rosales, Gerardo Romo-Cárdenas, Santiago Camacho-López, Francisco E. Pérez-Gutiérrez, Guillermo Aguilar, Lorena León-Camargo, Karina Patricia Esparza-Moreno

Proceedings Volume 6422, 642202 (2007) https://doi.org/10.1117/12.742272

KEYWORDS: Laser tissue interaction, Pulsed laser operation, Absorption, Tissues, Laser applications, Temperature metrology, Ultrafast phenomena, Laser ablation, Femtosecond phenomena, Nd:YAG lasers

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Proceedings Article | 21 February 2007 Paper

Short and ultrashort laser pulse induced bubbles on transparent and scattering tissue models

Francisco Pérez-Gutierrez, Rodger Evans, Santiago Camacho-Lopez, Guillermo Aguilar

Proceedings Volume 6435, 64350V (2007) https://doi.org/10.1117/12.701566

KEYWORDS: Laser scattering, Scattering, Laser tissue interaction, Pulsed laser operation, Tissues, Nd:YAG lasers, Femtosecond phenomena, Ultrafast phenomena, Blood vessels, Tissue optics

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Proceedings Article | 25 April 2005 Paper

Effects of relative humidity on laser light transmittance during cryogen spray cooling of in vitro skin phantoms

Julio Ramirez-San-Juan, Bernard Choi, Walfre Franco, John Nelson, Guillermo Aguilar

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.591197

KEYWORDS: Cryogenics, Humidity, Transmittance, Skin, Glasses, Signal attenuation, Light scattering, Laser scattering, Scattering, Absorption

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Proceedings Article | 25 April 2005 Paper

Numerical modeling of spray cooling-assisted dermatologic laser surgery for treatment of port wine stains

Walfre Franco, Rong Zhang, John Nelson, Guillermo Aguilar

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.590460

KEYWORDS: Skin, Blood vessels, Pulsed laser operation, Cryogenics, Blood, Thermal modeling, Laser therapeutics, Tissue optics, Laser irradiation, Diffusion

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SPIE Journal Paper | 1 March 2005 Open Access

Determination of human skin optical properties from spectrophotometric measurements based on optimization by genetic algorithms

Rong Zhang, Wim Verkruysse, Bernard Choi, John Viator, Byungjo Jung, Lars Svaasand, Guillermo Aguilar, John Nelson

JBO, Vol. 10, Issue 02, 024030, (March 2005) https://doi.org/10.1117/12.10.1117/1.1891147

KEYWORDS: Skin, Blood, Optical properties, Diffusion, Reflectivity, Tissue optics, Genetic algorithms, Absorption, Blood vessels, Monte Carlo methods

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SPIE Journal Paper | 1 March 2004 Open Access

Use of optical coherence tomography to monitor biological tissue freezing during cryosurgery

Bernard Choi, Thomas Milner, Jeehyun Kim, Jared Goodman, Gracie Vargas, Guillermo Aguilar, John Nelson

JBO, Vol. 9, Issue 02, (March 2004) https://doi.org/10.1117/12.10.1117/1.1648647

KEYWORDS: Optical coherence tomography, Skin, Liquids, Tissue optics, Nitrogen, Water, In vivo imaging, Reflectivity, Tissues, Scattering

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Proceedings Article | 1 July 2003 Paper

Photoacoustic measurement of epidermal melanin

John Viator, Lars Svaasand, Guillermo Aguilar, Bernard Choi, J. Stuart Nelson

Proceedings Volume 4960, (2003) https://doi.org/10.1117/12.477648

KEYWORDS: Photoacoustic spectroscopy, Skin, Acoustics, Tissue optics, Human subjects, Laser therapeutics, Absorption, Pulsed laser operation, Optical fibers, Phototherapy

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Proceedings Article | 10 June 2003 Paper

Design and construction of experimental device to study cryogen droplet deposition and heat transfer

Matthew Keller, Guillermo Aguilar, J. Stuart Nelson

Proceedings Volume 4954, (2003) https://doi.org/10.1117/12.497629

KEYWORDS: Cryogenics, Liquids, Skin, Laser therapeutics, Water, Cameras, Epoxies, Solids, Polymers, Light sources

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Proceedings Article | 10 June 2003 Paper

Experimental study of multiple-intermittent cryogen spurts and laser pulses for the treatment of port wine stain birthmarks

Guillermo Aguilar, Bernard Choi, John Viator, Dan Andersen, J. Stuart Nelson

Proceedings Volume 4954, (2003) https://doi.org/10.1117/12.476536

KEYWORDS: Skin, Cryogenics, Pulsed laser operation, Temperature metrology, Absorption, Infrared cameras, Solids, Transmittance, Laser therapeutics, Data modeling

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Proceedings Article | 27 June 2002 Paper

Modeling the thermal response of porcine cartilage to laser irradiation

Sergio Diaz-Valdes, Guillermo Aguilar, Reshmi Basu, Enrique Lavernia, Brian Wong

Proceedings Volume 4617, (2002) https://doi.org/10.1117/12.472507

KEYWORDS: Cartilage, Laser irradiation, Finite element methods, Laser tissue interaction, Temperature metrology, Laser therapeutics, Natural surfaces, Thermal modeling, Tissue optics, Tissues

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Proceedings Article | 17 June 2002 Paper

Influence of cryogen spray cooling parameters on the heat extraction rate from a sprayed surface

Emil Karapetian, Guillermo Aguilar, Enrique Lavernia, J. Stuart Nelson

Proceedings Volume 4609, (2002) https://doi.org/10.1117/12.441252

KEYWORDS: Heat flux, Cryogenics, Temperature metrology, Skin, Laser therapeutics, Liquids, Epoxies, Analog electronics, Silver, Doppler effect

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Proceedings Article | 17 June 2002 Paper

Dynamic measurements of laser light attenuation by cryogen film and frost formation

Bernard Choi, Guillermo Aguilar, Gracie Vargas, Ashley Welch, J. Stuart Nelson

Proceedings Volume 4609, (2002) https://doi.org/10.1117/12.432051

KEYWORDS: Cryogenics, Transmittance, Skin, Glasses, Light scattering, Pulsed laser operation, Optical testing, Sensors, Signal attenuation, Liquids

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Proceedings Article | 21 May 2001 Paper

Sequential cryogen spraying for heat flux control at the skin surface

Boris Majaron, Guillermo Aguilar, Brooke Basinger, Lise Randeberg, Lars Svaasand, Enrique Lavernia, J. Stuart Nelson

Proceedings Volume 4244, (2001) https://doi.org/10.1117/12.427777

KEYWORDS: Cryogenics, Heat flux, Skin, Liquids, Epoxies, Laser therapeutics, Temperature metrology, Copper, Metals, Diffusion

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Proceedings Article | 21 May 2001 Paper

Influence of spraying distance and postcooling on cryogen spray cooling for dermatologic laser surgery

Guillermo Aguilar, Boris Majaron, John Viator, Brooke Basinger, Emil Karapetian, Lars Svaasand, Enrique Lavernia, J. Stuart Nelson

Proceedings Volume 4244, (2001) https://doi.org/10.1117/12.427778

KEYWORDS: Skin, Cryogenics, Surface plasmons, Temperature metrology, Laser therapeutics, Absorption, Monte Carlo methods, Pulsed laser operation, Diffusion, Heat flux

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Proceedings Article | 17 May 2000 Paper

Dynamics of cryogen deposition relative to heat extraction rate during cryogen spray cooling

Wim Verkruysse, Boris Majaron, Guillermo Aguilar, Lars Svaasand, J. Stuart Nelson

Proceedings Volume 3907, (2000) https://doi.org/10.1117/12.386235

KEYWORDS: Cryogenics, Temperature metrology, Epoxies, Skin, Copper, Metals, Error analysis, Photography, Laser therapeutics, Liquids

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Showing 5 of 33 publications

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