搜索结果: 1-15 共查到“理学 nanoparticle”相关记录27条 . 查询时间(0.171 秒)
Clemson researchers illuminate the field of microscopy with invention of nanoparticle ‘buckyswitch’
Clemson researchers illuminate the field of microscopy nanoparticle buckyswitch
2017/7/24
Visualizing biological cells under a microscope was just made clearer, thanks to research conducted by graduate student Yifei Jiang and principal investigator Jason McNeill of Clemson University’s...
Although scientists have for decades been able to synthesize nanoparticles in the lab, the process is mostly trial and error, and how the formation actually takes place is obscure. However, a study re...
Effect of ZnO nanoparticle on cell viability,zinc uptake efficiency,and zinc transporters gene expression:a comparison with ZnO and ZnSO4
nano-ZnO bulk ZnO zinc transportation TPEN IEC-6 cells
2017/2/21
Zinc plays an important role in functional and structural integrity of cells. The aim of the current study was to compare cell viability, zinc uptake efficiency, and gene expression of metallothionein...
Silver nanoparticle concentration too low to be harmful in water supply,paper finds
Silver nanoparticle concentration too low harmful water supply paper finds
2016/11/4
Silver nanoparticles have a wide array of uses, one of which is to treat drinking water for harmful bacteria and viruses. But do silver nanoparticles also kill off potentially beneficial bacteria or c...
Mechanism of Hollow Nanoparticle Formation Due to Shape Fluctuations
Hollow Nanoparticle Formation Shape Fluctuations
2015/10/16
Shape fluctuations in nanoparticles strongly influence their stability. Here, we introduce a quantitative model of such shape fluctuations and apply this model to the important case of Pt-shell/transi...
Environmentally Friendly Lignin Nanoparticle ‘Greens’ Silver Nanobullet to Battle Bacteria
Environmentally Friendly Lignin Nanoparticle Greens Silver Nanobullet Battle Bacteria
2015/8/4
Silver nanoparticles have antibacterial properties, but their use has been a cause for concern because they persist in the environment. Here, we show that lignin nanoparticles infused with silver ions...
From Mouse Mammary Tumor Model to New Therapeutic Method ---Mammary Tumor Development in Balb/c-Trp53+/- Mice and Magnetic Nanoparticle Induced Heating for Cancer Treatment
Breast cancer Magnetic nanoparticle Mammary gland Mouse tumor model Stem cell Thermotherapy
2014/12/10
PATHWAYS CONTRIBUTING TO DEVELOPMENT OF SPONTANEOUS MAMMARY TUMORS IN BALB/c-Trp53+/- MICE Mutation and loss of p53 function are common features among human breast cancers. We use BALB/c-Trp53+/- mice...
Nanoparticle Building Blocks for Functional Structures
Artificial enzyme Water-soluble catalyst
2014/11/20
A major goal in material science is achieving a desired function using structures fabricated with designed building blocks. Advanced synthetic and self-assembly techniques allow various nanomaterials ...
Oscillatory optical response of amorphous plasmonic nanoparticle arrays
Oscillatory optical response amorphous plasmonic nanoparticle arrays Optics
2012/5/29
The optical response of metallic nanoparticle arrays is dominated by localized surface plasmon excitations and is the sum of individual particle contributions modified by inter-particle coupling depen...
A photonic crystal cavity-optical fiber tip nanoparticle sensor for biomedical applications
photonic crystal cavity-optical fiber tip nanoparticle sensor biomedical applications Optics
2012/4/19
We present a sensor capable of detecting solution-based nanoparticles using an optical fiber tip functionalized with a photonic crystal cavity. When sensor tips are retracted from a nanoparticle solut...
We report the fabrication of nanoparticle silver oxide thin films by rf magnetron sputtering and characterization of their nonlinear optical properties. The chemical decomposition and reversibility of...
Controlled Buckling and Crumpling of Nanoparticle-Coated Droplets
Controlled Buckling Crumpling of Nanoparticle-Coated Droplets
2010/11/24
We introduce a new experimental approach to study the structural transitions of large numbers
of nanoparticle-coated droplets as their volume is reduced. We use an emulsion system
where the disperse...
Substrate influence on the plasmonic response of nanoparticle clusters
Substrate the plasmonic response nanoparticle clusters
2010/11/16
The plasmonic response of nanoparticles is exploited in many subfields of science and engineering to enhance optical signals associated with probes of nanoscale and subnanoscale entities. We develop ...
Absence of scaling in transport through two-dimensional nanoparticle arrays
Absence of scaling two-dimensional nanoparticle arrays
2010/11/17
We analyze the transport in disordered two-dimensional nanoparticle arrays. We show that the
commonly used scaling hypothesis to fit the I-V curves does not describe the electronic transport in these...
Effect of particle size on nonlinear refractive index of Au nanoparticle in PVA solution
Nonlinear properties Z-scan technique nanoparticles
2010/6/30
Nonlinear refractive index of Au nanoparticle suspended in PVA solution was measured using a single beam Z-scan technique. Measurements were carried out using a green CW laser beam operated at 532 nm ...