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. Author manuscript; available in PMC: 2015 Dec 18.
Published in final edited form as: Analyst. 2014 May 7;139(9):2229–2236. doi: 10.1039/c3an02126b

Figure 2.

Figure 2

(a) Evolution of the TS of the APTMS-coated optical fibre LPG during the deposition of 1wt % GA, measured in solution at different interval times: black line, before GA deposition; red line, 15 min; and green line, 1 h after GA deposition; (b) TS measured in air: black line, before GA deposition, and red line, after GA deposition;