Signal enhancement of abiotically-synthesized RNA oligonucleotides and other biopolymers using unmodified fused silica in MALDI-MS.
J Am Soc Mass Spectrom. 2011 Jun;22(6):1100-4. doi: 10.1007/s13361-011-0113-0. Epub 2011 Apr 12. J Am Soc Mass Spectrom. 2011. PMID: 21953051