Table 1. Summary of Results for the Crystallization of l-Alanine in the Presence of Increasing Amount of l-Leucine on Blank PMMA Platform and Silver Nanostructured Film Modified PMMA (SNFs-PMMA) Platform at Room Temperature and Using MA-MAEC Techniquea.
| |
complete
evaporation time, min (size range, μm) |
initial
crystallization time, min |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| amino
acid weight (wt %) |
PMMA |
SNFs |
PMMA |
SNFs |
||||||
| sample no. | l-Ala | l-Leu | RT | MW | RT | MW | RT | MW | RT | MW |
| C1 | 0.240 g (100%) | 0.000 g (0.00%) | 170 ± 14 (117–693) | 68 ± 6 (159–632) | 75 ± 4 (350–572) | 23 ± 4 (118–365) | 5 | 5 | 10 | 5 |
| C2 | 0.216 g (91.5%) | 0.019 g (8.50%) | 117 ± 29 (397–886) | 47 ± 2 (352–874) | 68 ± 2 (369–1004) | 21 ± 2 (309–1023) | 5 | 5 | 5 | 5 |
| C3 | 0.192 g (83.5%) | 0.038 g (16.5%) | 133 ± 12 (855–1871) | 47 ± 6 (96–1997) | 65 ± 3 (120–1310) | 26 ± 5 (290–1139) | 5 | 5 | 20 | 10 |
| C4 | 0.168 g (74.7%) | 0.057 g (25.3%) | 245 ± 4 (1832–1887) | 72 ± 4 (495–1974) | 71 ± 2 (430–1679) | 35 ± 2 (666–1425) | 180 | 30 | 30 | 10 |
| C5 | 0.144 g (65.5%) | 0.076 g (34.5%) | 400 ± 8 (904–1308) | 89 ± 6 (582–1839) | 226 ± 16 (351–1151) | 45 ± 4 (497–2089) | 310 | 50 | 210 | 30 |
a
RT, room temperature; MW, microwave heating.