Results 11 to 20 of about 471,037 (182)

Superhydrophobic Paper in the Development of Disposable Labware and Lab-on-Paper Devices [PDF]

open access: yesACS Applied Materials & Interfaces, 2013
Traditionally in superhydrophobic surfaces history, the focus has frequently settled on the use of complex processing methodologies using nonbiodegradable and costly materials. In light of recent events on lab-on-paper emergence, there are now some efforts for the production of superhydrophobic paper but still with little development and confined to ...
Sousa, M. P., Mano, J. F.
openaire   +5 more sources

Does Bright Light Counteract the Post-lunch Dip in Subjective States and Cognitive Performance Among Undergraduate Students?

open access: yesFrontiers in Public Health, 2021
The post-lunch dip in alertness and performance was widely experienced during the early afternoon. Taking a short nap was documented as a practical strategy for habitual nappers to counteract the decline of alertness and performance.
Ying Zhou   +10 more
doaj   +1 more source

Reflectivity enhancement of full color tri-layer electrowetting display with polymer cholesteric liquid crystal films

open access: yesFrontiers in Physics, 2022
Electronic paper display has received increasing attention due to its outstanding properties of wide viewing angle, bistable state and lower energy consumption. Among various electronic paper display technologies, electrowetting e-paper (EWD) is the most
Beibei Zhang   +13 more
doaj   +1 more source

Customized Design of Aperiodic Liquid Crystal Grating for Generation of Multiple Optical Patterns

open access: yesCrystals, 2023
Liquid crystal (LC) grating has drawn extensive attention due to its merits, including tunability, easy preparation process, cost effectiveness, and high diffraction efficiency.
Chen Liu   +6 more
doaj   +1 more source

Temporal Dynamics of Subjective and Objective Alertness During Exposure to Bright Light in the Afternoon for 5 h

open access: yesFrontiers in Physiology, 2021
Light can induce an alertness response in humans. The effects of exposure to bright light vs. dim light on the levels of alertness during the day, especially in the afternoon, as reported in the literature, are inconsistent.
Xue Luo   +10 more
doaj   +1 more source

Polymeric and Paper-Based Lab-on-a-Chip Devices in Food Safety: A Review

open access: yesMicromachines, 2023
Food quality and safety are important to protect consumers from foodborne illnesses. Currently, laboratory scale analysis, which takes several days to complete, is the main way to ensure the absence of pathogenic microorganisms in a wide range of food ...
Athina-Marina Mitrogiannopoulou   +2 more
doaj   +1 more source

Sampling and multiplexing in lab-on-paper bioelectroanalytical devices for glucose determination [PDF]

open access: yesBiosensors and Bioelectronics, 2019
In this work, we present a multiplexed (eight simultaneous measurements) paper-based electrochemical device developed in a very simple way and using low-cost materials, such as paper, carbon ink and multifunctional connector headers. Meanwhile, we have also combined the paper-based electrochemical platform with a glass-fiber strip in order to integrate
Amor Gutiérrez, Olaya   +2 more
openaire   +3 more sources

Fully integrated sampler and dilutor in an electrochemical paper-based device for glucose sensing [PDF]

open access: yes, 2021
An electroanalytical platform capable to take and dilute the sample has been designed in order to fully integrate the different steps of the analytical process in only one device.
Amor Gutiérrez, Olaya   +2 more
core   +1 more source

Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax

open access: yesResults in Physics, 2021
Paper-based microfluidic devices based on electrowetting principle, more specifically electrowetting on dielectric (EWOD), have attracted increasing attention due to their powerful liquid handling capability as compared to continuous-flow paper-based ...
He Li   +6 more
doaj   +1 more source

Anti-cancer Substances and Safety of Lactic Acid Bacteria in Clinical Treatment

open access: yesFrontiers in Microbiology, 2021
Lactic acid bacteria (LAB) are a kind of Gram-positive bacteria which can colonize in the biological gastrointestinal tract and play a variety of probiotic roles. LAB have a wide range of applications in industry, animal husbandry, planting, food safety,
Chaoran Liu   +4 more
doaj   +1 more source

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