Determination of nanoparticles using UV-Vis spectra

被引：33

作者：

Behzadi, Shahed ^{[1
]}

Ghasemi, Forough ^{[2
]}

Ghalkhani, Masoumeh ^{[3
]}

Ashkarran, Ali Akbar ^{[4
]}

Akbari, Seyed Mostafa ^{[5
]}

Pakpour, Sepideh ^{[6
]}

Hormozi-Nezhad, Mohammad Reza ^{[2
]}

Jamshidi, Zahra ^{[7
]}

Mirsadeghi, Somayyeh ^{[5
]}

Dinarvand, Rassoul ^{[5
,8
]}

Atyabi, Fatemeh ^{[5
,8
]}

Mahmoudi, Morteza ^{[5
,8
,9
,10
]}

机构：

[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[2] Sharif Univ Technol, Dept Chem, Tehran, Iran

[3] Shahid Rajaee Teacher Training Univ, Dept Chem, Fac Sci, Tehran, Iran

[4] Univ Mazandaran, Fac Basic Sci, Dept Phys, Babol Sar, Iran

[5] Univ Tehran Med Sci, Nanotechnol Res Ctr, Fac Pharm, Tehran, Iran

[6] Univ British Columbia, Dept Biol, Kelowna, BC, Canada

[7] Chem & Chem Engn Res Ctr Iran, Dept Phys Chem, Tehran, Iran

[8] Univ Tehran Med Sci, Pharmaceut Nanotechnol, Fac Pharm, Tehran, Iran

[9] Stanford Univ, Sch Med, Cardiovasc Inst, Stanford, CA 94305 USA

[10] Stanford Univ, Sch Med, Div Cardiovasc Med, Stanford, CA 94305 USA

来源：

NANOSCALE | 2015年 / 7卷 / 12期

关键词：

IRON-OXIDE NANOPARTICLES; COLORIMETRIC SENSOR ARRAY; ADSORPTION; CHEMISTRY; CATALYSIS; BIOLOGY; GOLD; DYES;

D O I：

10.1039/c4nr00580e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanoparticles (NPs) are increasingly being used in different branches of science and in industrial applications; however, their rapid detection and characterization at low concentration levels have remained a challenge; more specifically, there is no single technique that can characterize the physicochemical properties of NPs (e.g. composition and size). In this work we have developed a colorimetric sensor array for defining the physicochemical properties of NPs in aqueous solution with ultra-low concentrations (e.g. 10(-7)g ml(-1) for gold NPs). Various NPs were readily identified using a standard chemometric approach (i.e. hierarchical clustering analysis), with no misclassifications over 400 trials.

引用

页码：5134 / 5139

页数：6

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