Results 191 to 200 of about 5,782,140 (394)

Friction and Wear of Iron in Corrosive Media [PDF]

open access: yes
Friction and wear experiments were conducted with elemental iron exposed to various corrosive media including two acids, base, and a salt. Studies involved various concentrations of nitric and sulfuric acids, sodium hydroxide, and sodium chloride.
Buckley, D. H.   +2 more
core   +1 more source

Flexible and Water‐Resistant Y3Al5O12:Er3+/Yb3+ Upconversion Nanoparticles‐Based Luminescent Cellulose Paper for Anti‐Counterfeiting and VOCs Detection

open access: yesAdvanced Optical Materials, EarlyView.
This work presents a cost effective and sustainable approach of designing flexible, water resistant and bright green luminescent Y3Al5O12:Er3+/Yb3+ upconversion nanoparticles (UCNPs) incorporated into cellulose paper for anti‐counterfeiting and volatile organic compounds (VOCs) detection applications.
Annu Balhara   +5 more
wiley   +1 more source

Study and modification of the reactivity of carbon fibers [PDF]

open access: yes
The reactivity to air of polyactylonitrile-based carbon fiber cloth was enhanced by the addition of metals to the cloth. The cloth was oxidized in 54 wt% nitric acid in order to increase the surface area of the cloth and to add carbonyl groups to the ...
Eapen, T. A.   +3 more
core   +1 more source

Ammonia Dynamics in the Human Body: Insights in Biomedical Sensing Technologies

open access: yesAdvanced Sensor Research, EarlyView.
Ammonia (NH3) is a significant biomarker in diagnostics, affecting the respiratory system, stomach, liver, kidneys, bladder, and gastrointestinal tract. NH3 detection, using sensors, has the potential to improve medical diagnosis. This review examines recent advancements in NH3 sensing technologies and explores future research directions, including ...
Annelot Nijkoops   +8 more
wiley   +1 more source

Spectral Tuning of a Nanoparticle-on-Mirror System by Graphene Doping and Gap Control with Nitric Acid. [PDF]

open access: yesACS Appl Mater Interfaces, 2023
Lawless J   +4 more
europepmc   +1 more source

Microneedles for Continuous, Minimally Invasive Monitoring: A Technology Overview

open access: yesAdvanced Sensor Research, EarlyView.
This review explores recent advances in electrochemical sensing using microneedles—small, minimally invasive devices that access interstitial fluid for real‐time molecular monitoring. It highlights fabrication methods, materials, and biosensor development, with a focus on aptamer‐based sensing. The review also discusses current applications, challenges,
Guillermo Conejo‐Cuevas   +3 more
wiley   +1 more source

Antibiofilm Effect of Nitric Acid-Functionalized Carbon Nanotube-Based Surfaces against E. coli and S. aureus. [PDF]

open access: yesAntibiotics (Basel), 2023
Gomes M   +8 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy