Results 21 to 30 of about 6,361 (197)

Sequential storage and release of microdroplets [PDF]

open access: yesMicrosystems & Nanoengineering, 2021
Abstract Droplet microfluidic methods have opened up the possibility of studying a plethora of phenomena ranging from biological to physical or chemical processes at ultra low volumes and high throughput. A key component of such approaches is the ability to trap droplets for observation, and many device architectures for achieving ...
Toprakcioglu, Zenon, Knowles, Tuomas PJ
openaire   +4 more sources

Novel Reproducible Manufacturing and Reversible Sealing Method for Microfluidic Devices

open access: yesMicromachines, 2022
Conventional manufacturing methods for polydimethylsiloxane (PDMS)-based microdevices require multiple steps and elements that increase cost and production time.
Camilo Pérez-Sosa   +7 more
doaj   +1 more source

Survival of the enveloped bacteriophage Phi6 (a surrogate for SARS-CoV-2) in evaporated saliva microdroplets deposited on glass surfaces

open access: yesScientific Reports, 2020
Survival of respiratory viral pathogens in expelled saliva microdroplets is central to their transmission, yet the factors that determine survival in such microdroplets are not well understood.
Aliza Fedorenko   +3 more
doaj   +1 more source

Enhancing Microdroplet Image Analysis with Deep Learning

open access: yesMicromachines, 2023
Microfluidics is a highly interdisciplinary field where the integration of deep-learning models has the potential to streamline processes and increase precision and reliability.
Sofia H. Gelado   +2 more
doaj   +1 more source

Organic nanoparticle-doped microdroplets as dual-modality contrast agents for ultrasound microvascular flow and photoacoustic imaging

open access: yesScientific Reports, 2020
Tumor blood vessels are chaotic and abundantly distributed, owing to their heterogeneity. Therefore, imaging techniques which reveal abnormalities of tumor vasculature play significant roles in both mechanistic and clinical diagnostic tumor studies ...
Yu Xu   +7 more
doaj   +1 more source

Confined Silver Nanoparticles in Ionic Liquid Films

open access: yesMolecules, 2023
This work reports the formation of silver nanoparticles (AgNPs) by sputter deposition in thin films of three different ionic liquids (ILs) with the same anion (bis(trifluoromethylsulfonyl)imide) and cation (imidazolium), but with different alkyl chain ...
Alexandre C. P. M. Alves   +3 more
doaj   +1 more source

Surface Nanobubbles Nucleate Microdroplets [PDF]

open access: yesPhysical Review Letters, 2014
When a hydrophobic solid is in contact with water, surface nanobubbles often form at the interface. They have a lifetime many orders of magnitude longer than expected. Here, we show that they even withstand a temperature increase to temperatures close to the boiling point of bulk water; i.e., they do not nucleate larger bubbles ("superstability").
Xuehua Zhang   +3 more
openaire   +3 more sources

Biphasic Microdroplet–Microdroplet Extraction for Ultra‐Trace Enriching Analysis

open access: yesAdvanced Materials Interfaces, 2022
AbstractEnriching trace targets from trace samples is essential for analytical chemistry. Here, a mini‐pillar platform for biphasic (aqueous and organic) microdroplet–microdroplet extraction for enrichment analysis is demonstrated. Such mini‐pillars with biphasic hydrophobicity can anchor the biphasic microdroplets (organic or aqueous) regardless of ...
Xiaonan Zhang   +3 more
openaire   +1 more source

Droplet Microfluidics for the ex Vivo Expansion of Human Primary Multiple Myeloma Cells

open access: yesMicromachines, 2020
We previously reported a new approach for micromanipulation and encapsulation of human stem cells using a droplet-based microfluidic device We demonstrated the possibility of encapsulating and culturing difficult-to-preserve primary human hematopoietic ...
Pilar Carreras   +4 more
doaj   +1 more source

Air Quality in Dental Care Facilities: Update to Current Management and Control Strategies Implementing New Technologies: A Comprehensive Review

open access: yesVaccines, 2022
The quality of indoor air in healthcare facilities, with an emphasis on dental offices, attracted the attention of the scientific community in the late 1960s. Since then, it has become evident that the indoor air quality is critical in modern dental care
Ioannis Tzoutzas   +2 more
doaj   +1 more source

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