Academic literature on the topic 'Micro fluidic POCD'

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Journal articles on the topic "Micro fluidic POCD"

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Pugia, Michael J., Gert Blankenstein, Ralf-Peter Peters, et al. "Microfluidic Tool Box as Technology Platform for Hand-Held Diagnostics." Clinical Chemistry 51, no. 10 (2005): 1923–32. http://dx.doi.org/10.1373/clinchem.2005.052498.

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Abstract Background: Use of microfluidics in point-of-care testing (POCT) will require on-board fluidics, self-contained reagents, and multistep reactions, all at a low cost. Disposable microchips were studied as a potential POCT platform. Methods: Micron-sized structures and capillaries were embedded in disposable plastics with mechanisms for fluidic control, metering, specimen application, separation, and mixing of nanoliter to microliter volumes. Designs allowed dry reagents to be on separate substrates and liquid reagents to be added. Control of surface energy to ±5 dyne/cm2 and mechanical
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Sun, R., YC Chang, LJ Wang, and L. Li. "Current Advancements of the Smartphone - Based Point - Of - Carediagnosis." July 4, 2016. https://doi.org/10.19070/2167-8685-1600020.

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The recent advancement in smartphone technology has triggered a wide range of smartphone point-of-care (POC) technology especially for the application of biomedical diagnosis and environmental detections. Modern smartphones with powerful processors and the functional cameras have been considered as the best candidate for miniaturization of the analytical instruments. Smartphones integrated with micro fluidic chips or optical components are capable of detecting specific biomarkers, antigens or pathogens in situ. The merits of smartphone-based POC devices, including cost efficiency, on-site dete
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Sathish, Dhandapani, and Selvaraj Jegadheeswaran. "Experimental Investigation on a Novel Composite Salt Gradient Solar Pond With an East–West Side Reflector." Journal of Thermal Science and Engineering Applications 14, no. 3 (2021). http://dx.doi.org/10.1115/1.4051243.

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Abstract A salt gradient solar pond (SGSP) acts as an eco-friendly and cost-efficient device for storing thermal energy storage. It is crucial to enrich the efficiency of the SGSP to boost its thermal energy storage. It can be efficaciously achieved with the application of salt mixtures, reflectors, and by the usage of a glazed layer. This current study investigates the hexagonal composite salinity gradient solar pond (HCSGSP) augmented with a dual inclined reflector and a triple-layer transparent cover. A micro-solar pond having a hexagonal cross section was fabricated and experimented at Coi
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Dissertations / Theses on the topic "Micro fluidic POCD"

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Fan, Xiaozhou. "Canonical Decomposition of Wing Kinematics for a Straight Flying Insectivorous Bat." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/91469.

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Bats are some of the most agile flyers in nature. Their wings are highly articulated which affords them very fine control over shape and form. This thesis investigates the flight of Hipposideros Pratti. The flight pattern studied is nominally level and straight. Measured wing kinematics are used to describe the wing motion. It is shown that Proper Orthogonal Decomposition (POD) can be used to effectively to filter the measured kinematics to eliminate outliers which usually manifest as low energy higher POD modes, but which can impact the stability of aerodynamic simulations. Through aerodyna
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Gangadhar, Eluru. "Novel Micro fluidic Techniques for Point-of-Care Diagnostics." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/4469.

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Point-of-care Diagnostics (POCD) is one of the rapidly growing areas of health-care sector that avails to the needs of the patient at the point-of-care. An ideal POCD device is required to be compact, portable, offer quick results, require no or minimal sample preparation, and inexpensive with a low cost per test. Micro fluidics has a potential to cater to these needs, thereby leading to a growing research interest to develop micro uidic POCD (POCD) devices. POCD devices can be broadly categorized into cellular diagnostics and non-cellular diagnostics. Micro fluidic flow cytometers (i
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Monteiro, Miguel Pedro da Conceição. "Flexible sensors technology for Point-Of-Care diagnostics with integrated micro fluidics on paper." Master's thesis, 2018. http://hdl.handle.net/10362/61574.

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Nowadays the hospitals and the medical centres face a huge challenge finding solutions to improve the efficiency of medical diagnosis. The scope of this project was to develop a “Point-of-Care Diagnostic” (POCD) device, that can give a better alternative for genetic analysis, instead of the usual methods of PCR (polymerase chain reaction). This device is composed by three layers. The first layer which works as a transporter and filter was built on paper. The second layer is the substitute of the regular thermocycling phase in the PCR technique and the third layer incorporates an interdigital
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Conference papers on the topic "Micro fluidic POCD"

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Hao, Wentao, Ling Tian, and Bingshu Tong. "Macromodeling Method of Fluid-Structure Interacting MEMS Based on Modal Analysis and Proper Orthogonal Decomposition." In 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2007. http://dx.doi.org/10.1115/mnc2007-21289.

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Because of their good performance to speed up MEMS system simulation processes, macromodels have aroused lots of attentions of scientists in the last decades. However, studies on FSI (Fluid-Structure Interaction) MEMS devices still can not satisfy the macromodeling requests because of the high complexity of fluid fields. A new method based on modal analysis and POD (Proper Orthogonal Decomposition) is tentatively put forward to reduce the order of FSI MEMS models. The structure macromodeling theory is firstly reviewed. Then the fluid field macromodeling approach is discussed in detail. At last
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Georgiou, Ioannis T. "Reduction of the Impact-Induced Experimental Dynamics of a Foam-Filled Thin-Walled Aluminum Beam Interacting With Water." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62887.

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We applied a novel sensing and data processing technique to analyze the water-interaction dynamics of a thin-walled aluminum beam filled with micro-structured material. The spatial impulse response is sensed at three spatial points in the form of ensembles of collocated acceleration signals. Processed by the powerful POD Transforms, the modal-like decomposition of collocated acceleration signals provides interesting insight on the nature of impulse-induced vibrations of this complex structure-water system. When not interacting with water, the point impulse excited structure vibrates in a domin
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Yafia, Mohamed, and Homayoun Najjaran. "Low Cost Graphene Electrodes for Performing Digital Microfluidic Operations on a Hand Held Portable Platform." In ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icnmm2016-8078.

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This work presents a new fabrication method for the electrodes of digital microfluidic (DMF) systems in which the electrodes are fabricated from laser scribed graphene on PET substrates. The new fabrication method helps in rapid design and prototyping of the DMF electrodes easily without a need for highly equipped facilities. The electrodes are fabricated on flexible substrates. Hence, the prospered method improves both the versatility of the DMF chips as we can form them to any desirable shape. The laser scribed graphene chips are then inserted to a battery-powered handheld DMF device to perf
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Lionetti, Seth, Tyson L. Hedrick, and Chengyu Li. "Sparse Reduced-Order Modeling of a Hovering Hawkmoth’s Wake." In ASME 2024 Fluids Engineering Division Summer Meeting collocated with the ASME 2024 Heat Transfer Summer Conference and the ASME 2024 18th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/fedsm2024-130651.

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Abstract As insects fly, their wings generate complex wake structures that play a crucial role in their aerodynamic force production. This study focuses on utilizing reduced order modeling techniques to gain valuable insights into the fluid dynamic principles underlying insect flight. Specifically, we used an immersed-boundary-method-based computational fluid dynamics (CFD) solver to simulate a hovering hawkmoth’s wake, and then identified the most energetic modes of the wake using proper orthogonal decomposition (POD). Furthermore, we employed a sparse identification of nonlinear dynamics (SI
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Ferguson, Steven E., Evan C. Lemley, and Mohammad R. Hossan. "Second Law Analysis of Passive Micro-Mixing in Rectangular Microchannels With Flow Obstacles." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72328.

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Passive micromixers have application in the biosciences area. In particular, passive micromixers that may be used as part of point-of-care (POC) diagnostic testing devices are becoming common-place and have application in developed, developing, and relatively undeveloped locales. Characterizing and improving mixing efficiency in these devices is an ongoing research effort. Different channel geometries and flow obstacles lead to varying degrees of mixing effectiveness and serve to increase chaotic advective mixing in contrast to the molecular diffusive mixing that occurs even in the absence of
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Pandit, Jayanth, Bhanuprakash Kunam, Omar Cavazos, and Maurizio Manzo. "Fabrication of Photonic Microlasers via Microfluidic Double Emulsion." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95994.

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Abstract Fluid control at a micro-level features unique properties that can be utilized to develop devices capable of biosensing. Microfluidics is a branch of technology that deals with microfluidic channels and the fluids confined within those channels. Singular droplets can be produced when perpendicular streams of immiscible fluids intersect with the main fluid stream. This intersecting stream must be different than the main fluid stream. One fundamental way of fabricating the spheres includes using a stream of water and oil. As oil and water do not mix, the stream of oil will separate the
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Gillispie, Aric M., and Evan C. Lemley. "Correlation of Mixing Efficiency and Entropy Generation Rate in a Square Cross Section Tee Junction Micromixer." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72288.

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The potential applications of micromixers continues to expand in the bio-sciences area. In particular, passive micromixers that may be used as part of point-of-care (POC) diagnostic testing devices are becoming commonplace and have application in developed, developing, and relatively undeveloped locales. Characterizing and improving mixing efficiency in these devices is an ongoing research effort. Micromixers are used in some lab-on-chip (LOC) devices where it is often necessary to combine two or more fluids into a mixed solution for testing or delivery. The simplest micromixer incorporates a
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