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This study introduces a combinatory assay platform that allows high-throughput but low-drug-dosage screening of five anti-cancer drugs as a cocktail for personalized cancer treatment. Photosensitive PEGDA hydrogel was employed for drug dosage definition through drop array formation and selective UV crosslinking process. The finally defined cocktail drugs in hydrogel will be directly released in parallel...
Many of SERS nanoparticles took advantage of the surface roughness for the significant improvement of their Raman sensing ability. Nevertheless, few papers analyzed the characteristics of surface roughness nanostructures that contribute to the SERS. Thus, this paper investigates the characteristics of the corrugated polystyrene bead (PSB) array etched by a series of oxygen plasma etching time for...
We developed an algorithm that combines wavelet denoising and azimuthally averaging of point spread functions (PSFs) to achieve 3D particle tracking with noisy background. This algorithm provides positions of single quantum dots in living cells.
Accurate size profiling on the physical sizes of aqueous nanoparticles and molecules may be affected by various factors such as the particle aggregation or the small molecular sizes. Thus, a nanoparticle exposure chamber system was constructed in which the aqueous nanoparticles are electrosprayed and dispersed into a controllable manner prior to be determined on their size distribution and concentration...
By enhancing the speed, accuracy, and sensitivity, it opens up a new possibility for direct analysis of biologically relevant entities such as nucleic acids and proteins in single cell level. Nanofluidic systems with critical dimensions which were comparable to the molecular scales can provide the aforementioned performance, offering a novel basis for ultrasensitive and high-resolution bio-detections...
In this research, we present a chip based capillary electrochromatography (CEC) carrying out a highly efficient separation of biomolecules through gradient hydrophobic stationary phase (GHSP) provided by multiwalled carbon nanotubes (MWCNTs) nanocolumns. 4-azidoaniline was employed for the surface modification of the MWCNTs to form a gradient stationary phase by a photochemical reaction through a...
This paper presents a study of electrokinetic transport in a nano-fluidic chip that allows for the selection and pre-concentration of molecular mixtures by a high density multi-wall carbon nanotubes array (MCNTs) in nano-channels. Parylene (poly(p-xylylene)) was deposited on MWCNTs walls as a dielectric material, the surface charge characters and density could adjusted when an induced polarizes filed...
In this paper, biomolecular electropreconcentration has been demonstrated in a hybrid micro/nano-fluidic device incorporated with multi-wall-carbon-nanotubes (MWCNTs) array. Parylene (poly(p-xylylene) was deposited on MWCNTs walls as a dielectric material, the surface charge characters and density could adjusted when an induced polarizes filed was applied. The competition between electroosmotic dragging...
This paper proposes a novel design of a reusable biosensor for in-situ and continuous protein detection. The sensing probe was practiced by the integration of a fiber optic interferometry (FOI) sensor accommodated in a micro opto-fluidic chip covered with a microdialysis membrane and surface regeneration mechanism for regenerable detection. Gold-nanoparticles (GNPs) labeled anti-rabbit IgG was used...
This paper presents a study of electrokinetic transport in a nano-fluidic chip that allow for separation and pre-concentration of the molecular mixtures into a high density multi-wall carbon nano tubes (MWCNTs) array of nano-channels. The MWCNTs array was used as an induced-surface charge filter to attract the opposite charged molecules on the wall surface by van der Waals and electrostatic force...
This paper proposes a needle-type biosensor for immunological application, which combines the abilities of real-time monitoring, in-situ measurement and high sensitivity, by adopting gold-nanoparticles (GNPs) coated with antibody to enhance the signal of Fabry-Perot (F-P) interferometry in an optic fiber sensing system. Strong reflection induced by larger index mismatch and longer optical path from...
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