Browsing by Keywords "Microfluidics"
Now showing items 1-20 of 70
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3D modeling of on-chip acoustophoretic particle manipulation in a polymer microfluidic device
(Chemical and Biological Microsystems Society, 2016)This study focuses on understanding of the sensitivities of the acoustophoretic process on uncertainties/errors in the geometric properties of the chip material and the piezoelectric actuators. The sensitivity of the ... -
3D printed microfluidic reactor for high throuhput chitosan nanoparticle synthesis
(Chemical and Biological Microsystems Society, 2016)The major bottleneck for the commercialization of nanoparticle related technologies is the mass production of the nanoparticles. One approach to overcome this bottleneck is use of microfluidic devices. In this paper, a 3D ... -
Analysis of monodisperse microfluidic droplet generation and its biochemical applications
(Bilkent University, 2020-11)Droplet fluidic systems have dramatically improved precision in many applications, such as polymerase chain reaction, biochemical analysis, and particle synthesis in which accurate control of sample volume plays a significant ... -
Boundary element method for optical force calibration in microfluidic dual-beam optical trap
(SPIE, 2015)The potential use of optical forces in microfluidic environment enables highly selective bio-particle manipulation. Manipulation could be accomplished via trapping or pushing a particle due to optical field. Empirical ... -
Carbon-based nanomaterials and sensing tools for wearable health monitoring devices
(Wiley-VCH Verlag GmbH & Co. KGaA, 2021-10-05)The healthcare system has a drastic paradigm shift from centralized care to home-based and self-monitoring strategies; aiming to reach more individuals, minimize workload in hospitals, and reduce healthcare-associated ... -
Chitosan coated iron-oxide nanoparticle synthesis using a droplet based microfluidic reactor
(IEEE, 2019-06)A microfluidic reactor for the synthesis of chitosan coated iron-oxide nanoparticles is described. Tapered double T-junction is used to generate droplets of reactants (iron chloride solution and chitosan solution) which ... -
CO2 laser polishing of microfluidic channels fabricated by femtosecond laser assisted carving
(Institute of Physics Publishing, 2016-10)In this study, we investigate the effects of CO2 laser polishing on microscopic structures fabricated by femtosecond laser assisted carving (FLAC). FLAC is the peripheral laser irradiation of 2.5D structures suitable for ... -
A confirmatory test for sperm in sexual assault samples using a microfluidic-integrated cell phone imaging system
(Elsevier, 2020)Rapid and efficient processing of sexual assault evidence to accelerate forensic investigation and decrease casework backlogs is urgently needed. Therefore, the standardized protocols currently used in forensic laboratories ... -
Continuous triboelectric power harvesting and biochemical sensing inside poly(vinylidene fluoride) hollow fibers using microfluidic droplet generation
(Wiley-Blackwell, 2016-11)Triboelectric power harvesting and biochemical sensing inside poly(vinylidene fluoride) hollow fibers. Fiber‐based microfluidic energy harvesting system, which is also utilized as self‐powered chemical and biosensor. In ... -
Damping hydrodynamic fluctuations in microfluidic systems
(Elsevier, 2018)In this article, we report a method to damp microfluidic hydrodynamic fluctuations caused by flow sources. We demonstrate that compliance of elastomeric off-chip tubings can be used to damp fluctuations and lead to steady ... -
Design of a droplet based microfluidic reactor to synthesize chitosan coated iron oxide nanoparticles
(Bilkent University, 2019-06)Nanoparticles possess unique structural, mechanical, thermal, optical and chemical properties which are highly dependent on their size; therefore it is important to be able to synthesize them uniformly. In general they ... -
Design of a droplet-based microfluidic system for hybrid polymer nanoparticle synthesis
(Bilkent University, 2021-12)Droplet microfluidics is advantageous in synthesizing microparticles for both confining their size to the physical dimensions of the droplet and providing a monodisperse result due to rapid mixing inside the droplets. ... -
Design of a high-resolution microfluidic microwave MEMS phase shifter
(Wiley, 2011)In this article, a novel microwave microelectromechanical phase shifter based on a microfluidic design is proposed and demonstrated. The design principles, the fabrication process, and experimental results (S-parameters ... -
Dielectrophoresis in microfluidics technology
(2011)Dielectrophoresis (DEP) is the movement of a particle in a non-uniform electric field due to the interaction of the particle's dipole and spatial gradient of the electric field. DEP is a subtle solution to manipulate ... -
The diffusion-driven microfluidic process to manufacture lipid-based nanotherapeutics with stealth properties for siRNA delivery
(Elsevier, 2022-07)Our study investigated the manufacturing of lipid-based nanotherapeutics with stealth properties for siRNA delivery by employing a diffusion-driven microfluidic process in one or two-steps strategies to produce siRNA-loaded ... -
Digital microfluidics for reconfigurable antennas
(IEEE, 2014)Usage of fluids (microfluidic or otherwise) in antennas provides a conceptually easy reconfiguration mechanism in the aspect of physical alteration. However, a requirement of pumps, valves, etc. for liquid transportation ... -
A droplet-based microfluidic reactor for silica nanoparticle synthesis and post processing of quantum dots
(Bilkent University, 2017-07)The unique properties of nanoparticles mainly depend on their size and morphology; thus, it is of the utmost importance to synthesize them monodispersely to be useful in an application. Micro uidic reactors enable a ... -
Droplet-based microfluidic systems for silica coating and synthesis of conjugated polymer nanoparticles
(Bilkent University, 2015-07)Nanoparticles have unique electronic, optic and magnetic properties due to their large area to volume ratio. In order for them to preserve their properties for longer times, some of them need to be coated with a protective ... -
Fabrication and characterization of liquid metal-based micro-electromechanical DC-contact switch for RF applications
(CRC Press, 2012)We demonstrate that room-temperature liquid metal alloy droplets of Eutectic Gallium Indium (EGaIn) and Gallium Indium Tin alloy (Galinstan) can be actuated using electro-wetting-on-dielectric (EWOD) effect. With the ... -
Fabrication of continuous flow microfluidics device with 3D electrode structures for high throughput DEP applications using mechanical machining
(Wiley-VCH Verlag, 2015)Microfluidics is the combination of micro/nano fabrication techniques with fluid flow at microscale to pursue powerful techniques in controlling and manipulating chemical and biological processes. Sorting and separation ...
