Information and separation results of the analytes.
| Types | Analytes | Structuresa | pI or pKa | Molecular volume (Å3) | R s | α b | Optimum pH | |
|---|---|---|---|---|---|---|---|---|
| Amino acids | Neutral | Serine |
|
5.68 | 4.9 × 6.4 × 7.5 | 21.1 | 1.66 | 7.0 |
| Threonine |
|
5.6 | 5.3 × 6.0 × 7.6 | 22.3 | 2.45 | 9.0 | ||
| Methionine |
|
5.74 | 5.0 × 7.1 × 10.8 | 0.84 | 1.07 | 9.0 | ||
| Acidic | Aspartic acid |
|
2.85 | 5.1 × 6.9 × 8.9 | 8.71 | 2.80 | 9.0 | |
| Glutamic acid |
|
3.15 | 5.1 × 7.2 × 8.8 | 13.1 | 2.96 | 9.0 | ||
| Basic | Lysine |
|
9.6 | 5.2 × 7.1 × 10.2 | 2.51 | 1.42 | 9.0 | |
| Arginine |
|
10.76 | 5.7 × 7.5 × 10.3 | 1.75 | 1.38 | 8.0 | ||
| Histidine |
|
7.6 | 5.7 × 7.0 × 6.9 | 0.61 | 1.10 | 6.0 | ||
| Imidazolinones pesticides | Imazethapyr |
|
— | 6.8 × 8.3 × 14.4 | 2.56 | 1.51 | 8.0 | |
| Imazameth |
|
— | 6.8 × 8.3 × 13.1 | 3.21 | 1.96 | 8.0 | ||
| Imazamox |
|
3.3 | 6.8 × 8.3 × 15.2 | 2.72 | 2.27 | 8.0 | ||
| Aryloxyphenoxypropionic pesticides | Diclofop |
|
— | 6.9 × 9.0 × 4.7 | 26.0 | 3.25 | 7.0 | |
| Quizalofop-p-ethyl |
|
— | 6.4 × 7.3 × 16.6 | 16.6 | 2.71 | 8.0 | ||
| Fluoroquinolones | Lomefloxacin hydrochloride |
|
7.14 | 6.6 × 9.2 × 19.6 | 1.17 | 1.07 | 5.0 | |
| Gatifloxacin |
|
7.55 | 6.6 × 9.2 × 14.7 | 4.22 | 2.25 | 3.0 | ||
| Flumequine |
|
6.37 | 5.1 × 9.6 × 11.1 | 2.68 | 2.20 | 6.0 | ||
| Ofloxacin |
|
7.14 | 6.1 × 9.5 × 15.7 | 1.73 | 1.17 | 6.0 | ||
a
Represents chiral carbon.
b
Represents selectivity factor (a) for chiral compounds studied on l-Cys-PCN-222-bonded OT column, a = t2/t1, t1 and t2 were the migration time of the less and more retained enantiomers, respectively.