Andrés Vásquez Quintero
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View article: Energy-Autonomous Tread Wear Wireless Sensor System for Tire Monitoring
Energy-Autonomous Tread Wear Wireless Sensor System for Tire Monitoring Open
Technologies are going through a digitalization process. Convergence of 2D printing with 3D printing is leading to 3D structural electronics. Implementation during their fabrication of sensing components in objects using printing would mak…
View article: Ray tracing optimization: a new method for intraocular lens power calculation in regular and irregular corneas
Ray tracing optimization: a new method for intraocular lens power calculation in regular and irregular corneas Open
View article: Ray tracing optimization: a new method for intraocular lens power calculation in regular and irregular corneas
Ray tracing optimization: a new method for intraocular lens power calculation in regular and irregular corneas Open
To develop a novel algorithm based on ray tracing, simulated visual performance and through-focus optimization for an accurate intraocular lens (IOL) power calculation. Custom-developed algorithms for ray tracing optimization (RTO) were us…
View article: Lente de contacto inteligente: una prometedora herramienta terapéutica en aniridia
Lente de contacto inteligente: una prometedora herramienta terapéutica en aniridia Open
View article: Artificial iris performance for smart contact lens vision correction applications
Artificial iris performance for smart contact lens vision correction applications Open
This paper presents the simulated performance assessment of an artificial iris embedded on a scleral contact lens using real data from an aniridia patient. The artificial iris is based on guest–host liquid crystal cells (GH-LCD) in order t…
View article: An Artificial Iris ASIC with High Voltage Liquid Crystal Driver, 10 nA Light Range Detector and 40 nA Blink Detector for LCD Flicker Removal
An Artificial Iris ASIC with High Voltage Liquid Crystal Driver, 10 nA Light Range Detector and 40 nA Blink Detector for LCD Flicker Removal Open
In a functional eye, the iris controls the pupil diameter to regulate the exposure of the retina. While iris deficiencies such as aniridia or leiomyoma can be mitigated with fixed or adaptive artificial irises [1] and adaptive transparency…
View article: An Artificial Iris ASIC With High Voltage Liquid Crystal Driver, 10-nA Light Range Detector and 40-nA Blink Detector for LCD Flicker Removal
An Artificial Iris ASIC With High Voltage Liquid Crystal Driver, 10-nA Light Range Detector and 40-nA Blink Detector for LCD Flicker Removal Open
In a normally functioning eye, the iris controls the pupil diameter to regulate the amount of light reaching the retina. Various iris deficiencies exist, manifesting as defects in the iris or an absence of one which result in too much ligh…
View article: Spatiotemporal electrochemical sensing in a smart contact lens
Spatiotemporal electrochemical sensing in a smart contact lens Open
View article: Nonlinear piezoelectric vibration energy harvester with frequency-tuned impacting resonators for improving broadband performance at low frequencies
Nonlinear piezoelectric vibration energy harvester with frequency-tuned impacting resonators for improving broadband performance at low frequencies Open
The paper reports on a nonlinear frequency up-converting vibration energy harvester with enhanced broadband performance below 50 Hz, which is attained by leveraging vibro-impact interaction between two high-frequency piezoelectric generato…
View article: Thin and spherical-cap-shaped LCD with a flexible thin-film driver for use in a smart contact lens
Thin and spherical-cap-shaped LCD with a flexible thin-film driver for use in a smart contact lens Open
status: Published
View article: Optimization of thermoformed displays for smart contact lenses
Optimization of thermoformed displays for smart contact lenses Open
View article: Simple multifocal lens based on liquid crystals
Simple multifocal lens based on liquid crystals Open
View article: Stretchable electronic platform for soft and smart contact lens applications
Stretchable electronic platform for soft and smart contact lens applications Open
A stretchable platform with spherical-shaped electronics based on thermo- plastic polyurethane (TPU) is introduced for soft smart contact lenses. The low glass transition temperature of TPU, its relatively low hardness, and its proven bioc…
View article: Smart RFID label with a printed multisensor platform for environmental monitoring
Smart RFID label with a printed multisensor platform for environmental monitoring Open
This work reports on the design, fabrication and characterization of an inkjet-printed multisensing platform on flexible polymeric substrates integrated into a printed semi-passive high frequency radio frequency identification (HF RFID) sm…
View article: A biocompatible active artificial iris
A biocompatible active artificial iris Open
A contact lens mimicking an artificial iris is presented as solution for people suffering from iris deficiencies. As this is a biomedical device, biocompatibility is a key specification for material choice and design. The presented researc…
View article: Aggregates of alternate amphiphilc polyanion to carry zwitterionic drug in aquedous media
Aggregates of alternate amphiphilc polyanion to carry zwitterionic drug in aquedous media Open
The effect of amphiphilic polyanion Poly(maleic acid-alt-octadecene)sodium salt on solubility of a zwitterionic drug (ampicillin trihydrate) in aqueous media was evaluated. This polymeric salt was obtained by an equimolar reaction of paren…
View article: Flip-chip integration of Si bare dies on polymeric substrates at low temperature using ICA vias made in dry film photoresist
Flip-chip integration of Si bare dies on polymeric substrates at low temperature using ICA vias made in dry film photoresist Open
In this paper, a low temperature flip-chip integration technique for Si bare dies is demonstrated on flexible PET substrates with screen-printed circuits. The proposed technique is based on patterned blind vias in dry film photoresist (DP)…
View article: Capacitive Strain Sensors Inkjet-printed on PET Fibers for Integration in Industrial Textile
Capacitive Strain Sensors Inkjet-printed on PET Fibers for Integration in Industrial Textile Open
We report on printed strain sensors on several meters long PET fibers for integration in textile at large scale. The sensors are made by locally inkjet printing capacitive transducers on cylindrical PET fibers used in industrial textiles. …