Variation in chemical, colloidal and electrochemical properties of carbon nanotubes with the degree of carboxylation [0.03%]
碳纳米管羧基化程度对其化学、胶体及电化学性质的影响
Zheqiong Wu,Zhiqian Wang,Fang Yu et al.
Zheqiong Wu et al.
Multiwalled carbon nanotubes (CNTs) were carboxylated via microwave irradiation where the treatment time was varied to alter the degree of functionalization, and as many as one in 15 carbons in the CNT could be oxidized. Chemical, physical,...
Photothermal stability of biologically and chemically synthesized gold nanoprisms [0.03%]
生物及化学合成金纳米棱镜的光热稳定性
Magdalena Klekotko,Joanna Olesiak-Banska,Katarzyna Matczyszyn
Magdalena Klekotko
We report here the influence of the irradiation with femtosecond laser pulses on the gold nanoprisms synthesized using biological and chemical methods. For the bio-mediated growth, we used plant extract as a source of reducing, structure-di...
The effect of different workplace nanoparticles on the immune systems of employees [0.03%]
不同纳米颗粒对员工免疫系统的影响
Natalja Kurjane,Tija Zvagule,Jelena Reste et al.
Natalja Kurjane et al.
Currently, nanoparticles are widely present in the environment and are being used in various industrial technologies. Nanoparticles affect immune functions, causing different immune responses. The aim of the current study was to evaluate se...
Influence of shear stress and size on viability of endothelial cells exposed to gold nanoparticles [0.03%]
剪切应力和尺寸对暴露于金纳米颗粒的内皮细胞存活率的影响
C Fede,Giovanna Albertin,L Petrelli et al.
C Fede et al.
Screening nanoparticle toxicity directly on cell culture can be a fast and cheap technique. Nevertheless, to obtain results in accordance with those observed in live animals, the conditions in which cells are cultivated should resemble the ...
The structural coloration of textile materials using self-assembled silica nanoparticles [0.03%]
基于介孔硅纳米粒子自组装的纺织材料结构色彩技术
Weihong Gao,Muriel Rigout,Huw Owens
Weihong Gao
The work presented investigates how to produce structural colours on textile materials by applying a surface coating of silica nanoparticles (SNPs). Uniform SNPs with particle diameters in a controlled micron size range (207-350 nm) were sy...
Effects of surface functionalization of hydrophilic NaYF4 nanocrystals doped with Eu3+ on glutamate and GABA transport in brain synaptosomes [0.03%]
亲水性NaYF4纳米晶体表面功能化对脑突触小体谷氨酸和GABA运输的影响
Bartlomiej Sojka,Daria Kociołek,Mateusz Banski et al.
Bartlomiej Sojka et al.
Specific rare earth doped nanocrystals (NCs), a recent class of nanoparticles with fluorescent features, have great bioanalytical potential. Neuroactive properties of NaYF4 nanocrystals doped with Eu3+ were assessed based on the analysis of...
The role of tannic acid and sodium citrate in the synthesis of silver nanoparticles [0.03%]
单宁酸和柠檬酸钠在合成银纳米颗粒中的作用
Katarzyna Ranoszek-Soliwoda,Emilia Tomaszewska,Ewelina Socha et al.
Katarzyna Ranoszek-Soliwoda et al.
We describe herein the significance of a sodium citrate and tannic acid mixture in the synthesis of spherical silver nanoparticles (AgNPs). Monodisperse AgNPs were synthesized via reduction of silver nitrate using a mixture of two chemical ...
Validation of a particle tracking analysis method for the size determination of nano- and microparticles [0.03%]
一种颗粒追踪分析方法的验证用于纳米和微粒尺寸的确定
Vikram Kestens,Vassili Bozatzidis,Pieter-Jan De Temmerman et al.
Vikram Kestens et al.
Particle tracking analysis (PTA) is an emerging technique suitable for size analysis of particles with external dimensions in the nano- and sub-micrometre scale range. Only limited attempts have so far been made to investigate and quantify ...
Yuki Kobayashi,Shinsuke Matsuda,Kentaro Imamura et al.
Yuki Kobayashi et al.
Si and its oxide are nonpoisonous materials, and thus, it can be taken for medical effects. We have developed a method of generation of hydrogen by use of reactions of Si nanopowder with water in the neutral pH region. Si nanopowder is fabr...
Safety assessments of subcutaneous doses of aragonite calcium carbonate nanocrystals in rats [0.03%]
针状文石超细碳酸钙颗粒皮下注射的急性毒性及亚慢性毒性研究
Alhaji Zubair Jaji,Zuki Abu Bakar Zakaria,Rozi Mahmud et al.
Alhaji Zubair Jaji et al.
Calcium carbonate nanoparticles have shown promising potentials in the delivery of drugs and metabolites. There is however, a paucity of information on the safety of their intentional or accidental over exposures to biological systems and g...