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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Liu, Zhenquan Liu, Renming Zhang, Deqing Zi, Xingfa Si, Minzhen Kang, Yipu |
| Description | Country affiliation: China Author Affiliation: Liu R ( Department of Physics and Electronics Science, Chuxiong Normal University, Chuxiong 675000, China. liurenmingok@126.com) |
| Abstract | A new SERS-active Ag nanofilm on the surface of a glass slide has been prepared by a low-cost electrochemical strategy using polyvinyl alcohol (PVA) at a proper voltage. The two-dimensional morphology of the Ag nanofilm has been examined by scanning electron microscopy (SEM). The average size of the aggregated particles on the surface of the Ag nanofilm is up to ca. 200+/-50 nm, which is much larger than that of PVA-protected Ag colloidal nanoparticles (PVA-Ag CNPs, 45+/-8 nm). Meanwhile, many nano-scale regions with average sizes of ca. 300+/-50 nm are formed between the adjacent Ag nanoparticles. By the SERS measurements of human serum (HS) and hemoglobin (Hb), this Ag nanofilm is shown to be an excellent SERS substrate with good stability and biocompatibility. As the fabrication process of this SERS substrate is simple and inexpensive, this method may be used in large-scale preparation of substrates that have been widely applied in Raman analysis. In addition, this SERS-active Ag nanofilm can serve as a novel SERS substrate in biochemical analysis due to the biocompatibility. |
| ISSN | 00219797 |
| Issue Number | 1 |
| Volume Number | 343 |
| e-ISSN | 10957103 |
| Journal | Journal of Colloid and Interface Science |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2010-03-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biocompatible Materials Chemistry Nanostructures Nanotechnology Methods Silver Spectrum Analysis, Raman Electrochemistry Economics Hemoglobins Humans Metal Nanoparticles Ultrastructure Reproducibility Of Results Serum Instrumentation Static Electricity Evaluation Studies Journal Article Research Support, Non-u.s. Gov't Discipline Colloid & Interface Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Surfaces, Coatings and Films Colloid and Surface Chemistry Biomaterials Electronic, Optical and Magnetic Materials |
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