Details

Autor(en) / Beteiligte

• Qu, Lu-Lu
• Li, Da-Wei
• Xue, Jin-Qun
• Zhai, Wen-Lei
• Fossey, John S
• Long, Yi-Tao

Titel

Batch fabrication of disposable screen printed SERS arrays

Ist Teil von

• Lab on a chip, 2012-03, Vol.12 (5), p.876-881

Ort / Verlag

England

Erscheinungsjahr

2012

Quelle

MEDLINE

Beschreibungen/Notizen

• A novel facile method of fabricating disposable and highly reproducible surface-enhanced Raman spectroscopy (SERS) arrays using screen printing was explored. The screen printing ink containing silver nanoparticles was prepared and printed on supporting materials by a screen printing process to fabricate SERS arrays (6 × 10 printed spots) in large batches. The fabrication conditions, SERS performance and application of these arrays were systematically investigated, and a detection limit of 1.6 × 10(-13) M for rhodamine 6G could be achieved. Moreover, the screen printed SERS arrays exhibited high reproducibility and stability, the spot-to-spot SERS signals showed that the intensity variation was less than 10% and SERS performance could be maintained over 12 weeks. Portable high-throughput analysis of biological samples was accomplished using these disposable screen printed SERS arrays.