Mini-emulsion solvent evaporation: a simple and versatile way to magnetic nanosensors

被引：21

作者：

Mistlberger, Guenter ^{[1
]}

Medina-Castillo, Antonio L. ^{[2
]}

Borisov, Sergey M. ^{[1
]}

Mayr, Torsten ^{[1
]}

Fernandez-Gutierrez, Alberto ^{[2
]}

Fernandez-Sanchez, Jorge F. ^{[2
]}

Klimant, Ingo ^{[1
]}

机构：

[1] Graz Univ Technol, Inst Analyt Chem & Food Chem, A-8010 Graz, Austria

[2] Univ Granada, Dept Analyt Chem, E-18071 Granada, Spain

来源：

MICROCHIMICA ACTA | 2011年 / 172卷 / 3-4期

关键词：

Magnetic optical sensor particles; Oxygen sensor; pH sensor; Light harvesting; Miniemulsion solvent evaporation; Nanosensor; SINGLE LIVING CELLS; OPTICAL NANOSENSORS; CHEMICAL-ANALYSIS; DISSOLVED-OXYGEN; PEBBLE SENSORS; DRUG-DELIVERY; NANOPARTICLES; FABRICATION; PH; PRECIPITATION;

D O I：

10.1007/s00604-010-0492-0

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Magnetic optical sensor particles were prepared using a mini-emulsion solvent evaporation (MESE) technique. The resulting nanoparticles (NPs) have diameters around 100 nm and relatively narrow size distribution (PDI < 0.2). Incorporation of probes for oxygen or pH resulted in magnetic sensor particles for bioprocess monitoring and imaging applications. The MESE technique yields sensing NPs in higher quantities than obtained by a previously reported nano-precipitation method, and the size of the NPs is smaller than that of particles made by spray-drying of sensor cocktails. Moreover, the technique is flexible in terms of polymers, solvents and indicators used in that it may be applied-at least in principle-to numerous combinations of two-phase systems.

引用

页码：299 / 308

页数：10

共 9 条

[1] Mini-emulsion solvent evaporation: a simple and versatile way to magnetic nanosensors
Günter Mistlberger
Antonio L. Medina-Castillo
Sergey M. Borisov
Torsten Mayr
Alberto Fernández-Gutiérrez
Jorge F. Fernandez-Sanchez
Ingo Klimant
Microchimica Acta, 2011, 172 : 299 - 308
[2] Preparation of composite nano-colorants using mini-emulsion/solvent evaporation technique
Zhao, X. (zhxiao@swu.edu.cn), 1600, Materials China (65):
[3] Magnetic Polystyrene Nanoparticles Prepared by Emulsion Solvent-Evaporation for the Chemiluminescent Immunoassay
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[9] Preparation of chitosan nanoparticles for protein delivery by w/o/w emulsion solvent evaporation and simple ionotropic gelation techniques
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