Chi Chiu Chan
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View article: Pre-concentration by liquid intake by paper (PCLIP): a new technique for large volumes and digital microfluidics
Pre-concentration by liquid intake by paper (PCLIP): a new technique for large volumes and digital microfluidics Open
Microfluidic platforms are an attractive option for incorporating complex fluid handling into low-cost and rapid diagnostic tests. A persistent challenge for microfluidics, however, is the mismatch in the "world-tochip" interface - it is c…
View article: Pre-concentration by liquid intake by paper (PCLIP): a new technique for large volumes and digital microfluidics
Pre-concentration by liquid intake by paper (PCLIP): a new technique for large volumes and digital microfluidics Open
Microfluidic platforms are an attractive option for incorporating complex fluid handling into low-cost and rapid diagnostic tests. A persistent challenge for microfluidics, however, is the mismatch in the "world-tochip" interface - it is c…
View article: Liquid Pressure Sensor Based on Fiber Bragg Grating with an Adjustable Structure
Liquid Pressure Sensor Based on Fiber Bragg Grating with an Adjustable Structure Open
In this paper, a fiber-optic liquid pressure sensor is designed and developed by encapsulating the fiber Bragg grating (FBG) inside the adjustable double-flange cylinder rigid structure with flexible polymer polydimethylsiloxane (PDMS). Wi…
View article: Ultra-High Sensitivity Ultrasonic Sensor with an Extrinsic All-Polymer Cavity
Ultra-High Sensitivity Ultrasonic Sensor with an Extrinsic All-Polymer Cavity Open
An ultra-high sensitivity ultrasonic sensor with an extrinsic all-polymer cavity is presented. The probe is constructed with a polymer ferrule and a polymer-based reflection diaphragm. A specially designed polymer cover is used to seal the…
View article: A Taper-in-Taper Structured Interferometric Optical Fiber Sensor for Cu2+ ion Detection
A Taper-in-Taper Structured Interferometric Optical Fiber Sensor for Cu2+ ion Detection Open
Copper ion is closely associated with the ecosystem and human health, and even a little excessive dose in drinking water may result in a range of health problems. However, it remains challenging to produce a highly sensitive, reliable, cos…
View article: Opto-Microfluidic Fabry-Perot Sensor with Extended Air Cavity and Enhanced Pressure Sensitivity
Opto-Microfluidic Fabry-Perot Sensor with Extended Air Cavity and Enhanced Pressure Sensitivity Open
An opto-microfluidic static pressure sensor based on a fiber Fabry-Perot Interferometer (FPI) with extended air cavity for enhancing the measuring sensitivity is proposed. The FPI is constructed in a microfluidic channel by the combination…
View article: Design and Fabrication of Large-Size Powersphere for Wireless Energy Transmission via Laser
Design and Fabrication of Large-Size Powersphere for Wireless Energy Transmission via Laser Open
The powersphere is a device used for maximizing the conversion of light in wireless energy transmission via laser. It is a spherical structure made up of thousands of photovoltaic cells. Due to the large dimensions and existence of many ho…
View article: Wearable Physiological Monitoring System Based on Electrocardiography and Electromyography for Upper Limb Rehabilitation Training
Wearable Physiological Monitoring System Based on Electrocardiography and Electromyography for Upper Limb Rehabilitation Training Open
Secondary injuries are common during upper limb rehabilitation training because of uncontrollable physical force and overexciting activities, and long-time training may cause fatigue and reduce the training effect. This study proposes a we…
View article: Related Data for: Fiber Bragg grating sensors for clinical measurement of the first metatarsophalangeal joint quasi-stiffness
Related Data for: Fiber Bragg grating sensors for clinical measurement of the first metatarsophalangeal joint quasi-stiffness Open
Assessing the mobility of the first metatarsophalangeal joint (MTPJ) of a human foot is useful in clinical practice but there are no standard methods of measurement. The present study developed a new instrumentation using Fiber Bragg grati…
View article: Multifunctional Textile Platform for Fiber Optic Wearable Temperature-Monitoring Application
Multifunctional Textile Platform for Fiber Optic Wearable Temperature-Monitoring Application Open
Wearable sensing technologies have been developed rapidly in the last decades for physiological and biomechanical signal monitoring. Much attention has been paid to functions of wearable applications, but comfort parameters have been overl…
View article: Wearable Fiber Optic Technology Based on Smart Textile: A Review
Wearable Fiber Optic Technology Based on Smart Textile: A Review Open
Emerging smart textiles have enriched a variety of wearable technologies, including fiber optic technology. Optic fibers are widely applied in communication, sensing, and healthcare, and smart textiles enable fiber optic technology to be w…
View article: Reflection-Based Thin-Core Modal Interferometry Optical Fiber Functionalized With PAA-PBA/PVA for Glucose Detection Under Physiological pH
Reflection-Based Thin-Core Modal Interferometry Optical Fiber Functionalized With PAA-PBA/PVA for Glucose Detection Under Physiological pH Open
A phenylboronic-acid-derivatized poly (acrylic acid) (PAA-PBA)/poly(vinyl alcohol) (PVA) functionalized thin-core fiber (TCF) optical sensor is proposed for glucose detection. The unique Michelson-type fiber interferometer sensor was fabri…
View article: Effect of Meniscal Ramp Repair on Knee Kinematics, ACL In Situ Force and Bony Contact Forces - A Biomechanical Study
Effect of Meniscal Ramp Repair on Knee Kinematics, ACL In Situ Force and Bony Contact Forces - A Biomechanical Study Open
Objectives: While recent studies showed that all inside meniscal ramp repair is able to restore knee kinematics, the effects of ramp repairs on ACL in-situ forces (ISF) and bony contact forces is still unclear. Therefore, the purpose of th…
View article: Localized surface plasmon resonance refractometer based on no-core fiber
Localized surface plasmon resonance refractometer based on no-core fiber Open
A novel optical fiber refractometer based on localized surface plasmon resonance (LSPR) is presented. The sensor was prepared by splicing a short segment of no-core fiber (NCF) between two multimode fibers. A gold nanoparticles (AuNPs) fil…
View article: Fiber optic nickel ion sensor based on direct ligand immobilization
Fiber optic nickel ion sensor based on direct ligand immobilization Open
An inline intermodal no core fiber (NCF) sensor based on direct ligand immobilization for detection of nickel ions (Ni2+) is proposed. Covalently immobilized nickel specific ligand, Meso-Tetra(4-carboxyphenyl)porphine, on the NCF surface s…
View article: Heavy Metal Cation Probe with Signal to Noise Ratio Measurement of Fiber Bragg Grating
Heavy Metal Cation Probe with Signal to Noise Ratio Measurement of Fiber Bragg Grating Open
An intensity-modulated Nickel ions (Ni2+) probe is experimentally demonstrated by using optical fiber Bragg grating (FBG) cascaded by a cleaved fiber end which is functionalized by multilayers of chitosan/poly acrylic acid (PAA). The multi…
View article: In-fiber Photo-immobilization of Bioactive Surfaces: An Optimization Study
In-fiber Photo-immobilization of Bioactive Surfaces: An Optimization Study Open
Bioactive surface formation within photonic crystal fibers (PCFs) was demonstrated via photochemical means in our earlier work. The bioactive surface consisted of streptavidin bound to a biotin-functionalized layer of protein. Here, we add…
View article: Laser Hydrogenation of Laser Doped and Grooved Structure
Laser Hydrogenation of Laser Doped and Grooved Structure Open
Both Buried Contact Solar Cells (BCSC) and Laser Doped Selective Emitter (LDSE) solar cells have shown great success in large-scale manufacturing. Recent studies show that plated contacts can be more durable than screen-printed contacts. A…
View article: Graphene-deposited photonic crystal fibers for continuous refractive index sensing applications
Graphene-deposited photonic crystal fibers for continuous refractive index sensing applications Open
We present a pilot demonstration of an optical fiber based refractive index (RI) sensor involving the deposition of graphene onto the surface of a segment of a photonic crystal fiber (PCF) in a fiber-based Mach-Zehnder Interferometer (MZI)…
View article: Intensity-modulated refractometer with long period fiber grating cascaded by chirped fiber grating
Intensity-modulated refractometer with long period fiber grating cascaded by chirped fiber grating Open
An intensity-modulated refractometer is proposed and experimentally demonstrated by using a long period fiber grating (LPG) cascaded with a chirped-fiber Bragg grating (CFBG). The reflection wavelength band of the CFBG was properly selecte…
View article: Optical fiber Fabry-Perot interferometer with pH sensitive hydrogel film for hazardous gases sensing
Optical fiber Fabry-Perot interferometer with pH sensitive hydrogel film for hazardous gases sensing Open
An optical fiber Fabry-Perot interferometer (FPI) coated with polyvinyl alcohol/poly-acrylic acid (PVA/PAA) hydrogel film for toxic gases measurement has been developed. Splicing a short section of hollow core fiber between two single mode…
View article: Chitosan-hydrogel-based fiber optic sensor for heavy metal ion detection
Chitosan-hydrogel-based fiber optic sensor for heavy metal ion detection Open
A no-core fiber (NCF) based intermodal sensor for nickel ion (Ni2+) detection is proposed. Bilayers of chitosan and Poly Acrylic acid (PAA) functionalized on the sensor surface serve as adsorption sites for nickel ions thereby causing chan…
View article: Fluorospectroscopy of Dye-Loaded Liposomes in Photonic Crystal Fibers
Fluorospectroscopy of Dye-Loaded Liposomes in Photonic Crystal Fibers Open
The immobilization and probing of liposomes within photonic crystal fibers was demonstrated for the first time. A bioactive surface was used to tether the liposomes. This bioactive surface consisted of streptavidin bound to a photochemical…