Results 61 to 70 of about 49,757 (291)

Establishing a Model Precursor System: Over a Decade of Research on Carbon Dots from the Citric Acid‐Urea System

open access: yesAdvanced Functional Materials, EarlyView.
The citric acid/urea (CA‐Urea) precursor system offers a versatile, scalable route to carbon dots with tunable luminescence and multifunctionality. Mechanistic insights into precursor chemistry and reaction parameters have enabled doping, surface modification, and hybridization strategies, yielding CDs for luminescent devices, sensing, catalysis ...
Yupeng Liu   +10 more
wiley   +1 more source

Role of Paper-Based Sensors in Fight against Cancer for the Developing World

open access: yesBiosensors, 2022
Cancer is one of the major killers across the globe. According to the WHO, more than 10 million people succumbed to cancer in the year 2020 alone. The early detection of cancer is key to reducing the mortality rate.
Amey Dukle   +3 more
doaj   +1 more source

Molecular dynamics studies of anomalous transport in rarefied gas flows [PDF]

open access: yes, 2010
We investigate the thermodynamically non-equilibrium gas dynamics by measuring molecular free path distribution functions, inter-molecular collision rates and wall dependent mean free path (MFP) profiles using the molecular dynamics (MD) method.
Dongari, Nishanth   +2 more
core  

A centrifugo-magnetically actuated gas micropump [PDF]

open access: yes, 2006
This paper describes a novel gas micropump on a centrifugal microfluidic platform. The pump is integrated on a passive and microstructured polymer disk which is sealed with an elastomer lid featuring paramagnetic inlays.
Ducrée, Jens   +3 more
core   +1 more source

Robust Polymer Hydrogels Improve Electric‐Fish‐Inspired Batteries

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Electric‐fish‐inspired hydrogel batteries based on ion‐concentration gradients offer an attractive route to soft power sources; however, the poor mechanical properties of existing hydrogels limit device assembly and performance. Here, we report poly(ethylene glycol) methyl ether acrylate hydrogels that enable ion‐gradient batteries composed of
Nick Zahnd   +5 more
wiley   +1 more source

Peptide-based microcapsules obtained by self-assembly and microfluidics as controlled environments for cell culture [PDF]

open access: yes, 2013
Funding for this study was provided by the Portuguese Foundation for Science and Technology (FCT, grant PTDC/EBB-BIO/ 114523/2009). D. S. Ferreira gratefully acknowledges FCT for the PhD scholarship (SFRH/BD/44977/2008)
Aida   +40 more
core   +1 more source

Paper‐Based Microfluidics for Electrochemical Applications

open access: yesChemElectroChem, 2019
AbstractPaper‐based microfluidics is characteristic of fluid transportation through spontaneous capillary action of paper and has exhibited great promise for a variety of applications especially for sensing. Furthermore, paper‐based microfluidics enables the design of miniaturized electrochemical devices to be applied in the energy sector, which is ...
Liu‐Liu Shen   +2 more
openaire   +2 more sources

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

open access: yesAdvanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

Paper-Based Microfluidics Immunoassay for Detection of Canine Distemper Virus

open access: yesBrazilian Archives of Biology and Technology, 2018
Paper-based devices present low-cost and are versatile, making them very attractive for clinical analysis. To manufacture those devices wax patterns are printed on paper surface and upon heating the wax permeates through the entire thickness of the paper,
Thiago Mazzu-Nascimento   +9 more
doaj   +1 more source

A Review of Optical Imaging Technologies for Microfluidics

open access: yesMicromachines, 2022
Microfluidics can precisely control and manipulate micro-scale fluids, and are also known as lab-on-a-chip or micro total analysis systems. Microfluidics have huge application potential in biology, chemistry, and medicine, among other fields.
Pan Zhou   +4 more
doaj   +1 more source

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