Results 21 to 30 of about 114,019 (329)

Lab-on-a-chip Raman sensors outperforming Raman microscopes [PDF]

open access: yes, 2016
We demonstrate that the signal-to-noise ratio and signal collection efficiency in evanescent waveguide-based Raman spectroscopy exceeds that in Raman microscopes.
Baets, Roel   +6 more
core   +1 more source

SERS-Enabled Lab-on-a-Chip Systems [PDF]

open access: yes, 2015
Surface-enhanced Raman spectroscopy (SERS) has been combined with microfluidic Lab-on-a-Chip (LoC) systems for sensitive optofluidic detection for more than a decade.
Ding, H, Huang, J, Sun, HB, Zhang, YL
core   +1 more source

3-dimensional electrode patterning within a microfluidic channel using metal ion implantation [PDF]

open access: yes, 2010
The application of electrical fields within a microfluidic channel enables many forms of manipulation necessary for lab-on-a-chip devices. Patterning electrodes inside the microfluidic channel generally requires multi-step optical lithography.
Adleman, James R.   +5 more
core   +2 more sources

Microfluidic Construction of Hierarchically Composite Superballs for Sensing Applications

open access: yesProceedings, 2018
Colloidal photonic crystals have attracted much attention of the scientific world due to their unique optical properties and potential applications in sensing, displays, optoelectronics, controlled superwetting and other fields.
Juan Wang   +3 more
doaj   +1 more source

Nanoparticle Printing for Microfluidic Applications: Bipolar Electrochemistry and Localized Raman Sensing Spots

open access: yesMicromachines, 2023
The local integration of metal nanoparticle films on 3D-structured polydimethylsiloxane (PDMS)-based microfluidic devices is of high importance for applications including electronics, electrochemistry, electrocatalysis, and localized Raman sensing ...
Alessia Broccoli   +5 more
doaj   +1 more source

Recent Advances in Microfluidic Devices for Contamination Detection and Quality Inspection of Milk

open access: yesMicromachines, 2021
Milk is a necessity for human life. However, it is susceptible to contamination and adulteration. Microfluidic analysis devices have attracted significant attention for the high-throughput quality inspection and contaminant analysis of milk samples in ...
Hwee-Yeong Ng   +5 more
doaj   +1 more source

Breakthroughs in photonics 2012: 2012 breakthroughs in lab-on-a-chip and optical biosensors [PDF]

open access: yes, 2014
Open Access.-- Invited Paper.We review the most important achievements published in 2012 in the field of lab-on-a-chip (LOC) and optical biosensors. We will specially focus on optical label-free biosensors and their implementation into lab-on-a-chip ...
Duval, Daphné, Lechuga, Laura M.
core   +1 more source

Ruthenium Oxide Nanorods as Potentiometric pH Sensor for Organs-On-Chip Purposes

open access: yesSensors, 2018
A ruthenium oxide (RuOx) sensor for potentiometric pH sensing is currently being developed for organs-on-chip purposes. The sensor was fabricated from a Ru(OH)3 precursor, resulting in RuOx nanorods after heating.
Esther Tanumihardja   +2 more
doaj   +1 more source

A Lab-on-a-Chip Based Automatic Platform for Continuous Nitrites Sensing in Aquaculture

open access: yesSensors, 2022
In aquaculture, the density of fish stock, use of feeding, and surrounding environmental conditions can easily result in an excessive concentration of harmful compounds that require continuous monitoring.
Alexandro Catini   +7 more
doaj   +1 more source

Compartmentalized 3D Tissue Culture Arrays under Controlled Microfluidic Delivery

open access: yesScientific Reports, 2017
We demonstrate an in vitro microfluidic cell culture platform that consists of periodic 3D hydrogel compartments with controllable shapes. The microchip is composed of approximately 500 discontinuous collagen gel compartments locally patterned in between
Burcu Gumuscu   +4 more
doaj   +1 more source

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