Laser-direct-write methods for fabrication of paper-based medical diagnostic sensors
نویسنده
چکیده
We demonstrate the use of laser-based direct-write methods, namely laser-induced forward transfer and laser-induced photo-polymerization as printing and patterning tools for the fabrication of paper-based fluidic sensors that enable affordable point-of-care medical diagnostics. OCIS codes: (350.3390) Laser materials processing; (220.4610) Optical fabrication; (280.1415) Biological sensing and sensors; (160.5470) Polymers; (160.5335) Photosensitive materials
منابع مشابه
Fabrication of cantilever based mass sensors integrated with CMOS using direct write laser lithography on resist
A CMOS compatible direct write laser lithography technique has been developed for cantilever fabrication on pre-fabricated standard CMOS. We have developed cantilever based sensors for mass measurements in vacuum and air. The cantilever is actuated into lateral vibration by electrostatic excitation and the resonant frequency is detected by capacitive readout. The device is integrated on standar...
متن کاملLaser-Induced Forward Transfer of Functional Materials: Advances and Future Directions
Laser direct-write (LDW) techniques based on laser-induced forward transfer (LIFT) of functional materials offer unique advantages and capabilities for the rapid prototyping of electronic, optical and sensor elements as opposed to other digital printing processes like inkjet. LIFT processes have been applied to the fabrication of a wide variety of microelectronic elements such as interconnects,...
متن کاملRapid Constructions of Microstructures for Optical Fiber Sensors Using a Commercial CO2 Laser System
Exposing an optical fiber core to the measurand surrounding the fiber is often used to enhance the sensitivity of an optical fiber sensor. This paper reports on the rapid fabrication of microstructures in an optical fiber using a CO₂ laser system which help exposing the optical fiber core to the measurand. The direct-write CO₂ laser system used is originally designed for engraving the polymeric...
متن کاملLaser processing of polymer thin films for chemical sensor applications
Contemporary and next-generation commercial and defense-related platforms offer countless applications for thin-film polymer coatings, including the areas of microelectronics, optoelectronics, and miniature chemical and biological sensors. In many cases, the compositional and structural complexity, and the anisotropy of the material properties preclude the processing of many of these polymers b...
متن کاملBiofunctionalization of Gold Nanorods: A Comparative Study on Conjugation Methods for Fabrication of Nanobiosensors
Gold Nanorods have promised variety of applications in biomedicine and biosensing. As a fruitful candidate for early detection and imaging, these plasmonic nanoparticles have been utilized for diagnostic applications of interest. However, prior to design and fabricate SPR-based nanobiosensors, the type and nature of conjugation with biomolecules would be of utmost importance. Herein, four strat...
متن کامل