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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: CrystEngComm. 2012 May 1;14(14):4557–4561. doi: 10.1039/C2CE25380A

Table 1.

Comparison of the time taken by L-arginine acetate in deionized water to completely crystallize on glass and Silver Island Films (SIFs) at room temperature and microwave heating (duty cycle = 1). Sample size is 20 microliters.

Blank glass (no functional groups) Blank SIFs (no functional groups) MUDA_SIFs (–COOH groups) HMA_SIFs (–NH2 groups) UDET_SIFs (–CH3 groups)
Water contact angle 12 ± 0.1° 28 ± 1° 26 ± 3° 30 ± 5° 45 ± 3°
RT Time 55 ± 5 min 11 ± 5 min 8 ± 1 min 6 ± 1 min 7 ± 1 min
Size range 104–295 mm 285–505 mm 250–450 mm 850–1170 mm 125–383 mm
MW Time 15 ± 3 min 8 ± 0.1 min 1 ± 0.1 min 2 ± 0.5 min 7 ± 1 min
Size range ND 380–550 mm 110–510 mm 344–530 mm ND

ND - Not Determined