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Electron Compensation Effect Suppressed Silver Ion Release and Contributed Safety of Au@Ag Core-Shell Nanoparticles
Au@Ag core-shell electron compensation safety biomedical application
2023/6/21
Silver nanoparticles (Ag NPs) have promising plasmonic properties, however, they are rarely used in biomedical applications because of their potent toxicity. Herein, an electron compensation effect fr...
Engineering aluminum hydroxyphosphate nanoparticles with well-controlled surface property to enhance humoral immune responses as vaccine adjuvants
Aluminum hydroxyphosphate Vaccine adjuvants Staphylococcus aureus
2023/6/21
Engineering aluminum hydroxyphosphate nanoparticles with well-controlled surface property to enhance humoral immune responses as vaccine adjuvants。
Engineers at MIT and the University of Massachusetts Medical School have designed a new type of nanoparticle that can be administered to the lungs, where it can deliver messenger RNA encoding useful p...
Nanoparticles may have bigger impact on the environment than previously thought（图）
nanoparticle environment bigger impact on
2019/10/17
Over the last two decades, nanotechnology has improved many everyday products, from microelectronics to sunscreens. Nanoparticles (particles just a few hundred atoms in size) are ending up in the envi...
Researchers Inadvertently Boost Surface Area of Nickel Nanoparticles for Catalysis（图）
Researchers Boost Surface Area Nickel Nanoparticles Catalysis
2017/12/18
Ni nanoparticles (NPs) catalyze many chemical reactions, in which they can become contaminated or agglomerate, resulting in poorer performance. We report deposition of silica (SiO2) onto Ni NPs from t...
Penn Engineers Develop Filters That Use Nanoparticles to Prevent Slime Build-up（图）
Penn Engineers Filters Nanoparticles Prevent Slime Build-up
2017/11/23
Filtration membranes are, at their core, sponge-like materials that have micro- or nanoscopically small pores. Unwanted chemicals, bacteria and even viruses are physically blocked by the maze of mesh,...
Study in Nature:Engineers find better way to detect nanoparticles（图）
Nature Engineers detect nanoparticles
2017/9/5
Specifically, the two tuning nanoscatterers set the resonator at an "exceptional point," a special state of a system at which unusual phenomena may occur. The third nanoscatterer perturbs the system, ...
A team of chemists led by Carnegie Mellon University’s Rongchao Jin has for the first time conducted site-specific surgery on a nanoparticle. The procedure, which allows for the precise tailoring of n...
Resveratrol-loaded Nanoparticles Induce Antioxidant Activity against Oxidative Stress
Resveratrol Nanoparticle Oxidative Stress β-Lactoglobulin Caco-2 Cell
2016/5/19
Resveratrol acts as a free radical scavenger and a potent antioxidant in the inhibition of numerous reactive oxygen species (ROS). The function of resveratrol and resveratrol-loaded nanoparticles in p...
Blood serum proteins have been observed combining one-to-one with gold nanoparticles and prompting them to aggregate, scientists at Rice University reported.This is unexpected, according to Rice resea...
Light-activated nanoparticles prove effective against antibiotic-resistant “superbugs”
Light-activated nanoparticles antibiotic-resistant superbugs
2016/2/22
In the ever-escalating evolutionary battle with drug-resistant bacteria, humans may soon have a leg up thanks to adaptive, light-activated nanotherapy developed by researchers at the University of Col...
Scientists trace nanoparticles from plants to caterpillars（图）
Scientists trace nanoparticles plants to caterpillars
2014/12/30
The study, one of the first to examine how nanoparticles move through human-relevant food chains, found that nanoparticle accumulation in both plants and animals varied significantly depending upon th...
An inside job: UC-designed nanoparticles infiltrate, kill cancer cells from within（图）
cancer cells infiltrate
2014/12/1
Conventional treatment seeks to eradicate cancer cells by drugs and therapy delivered from outside the cell, which may also affect (and potentially harm) nearby normal cells.
Capillary Interactions Among Microparticles and Nanoparticles at Fluid Interfaces
Capillary Microparticles Nanoparticles Fluid Interfaces
2014/11/20
Particles can be adsorbed to liquid-fluid interface to minimize interfacial energy. The adsorbed particles interact in many ways. There has been a lot of theoretical predictions as well as experimenta...
Assembly Of Surface Engineered Nanoparticles For Functional Materials
nanoparticle self-assembly surface chemistry
2014/11/20
Nanoparticles are regarded as exciting new building blocks for functional materials due to their fascinating physical properties because of the nano-confinement. Organizing nanoparticles into ordered ...