| Poly-ethylene dimethacrylate–N-methacryloyl-l-histidine methyl ester (EGDMA–MAH) NP |
(l)-Histidine |
Ofloxacin |
CE |
Average (Av) size of NP ∼111.5 nm. The separation factor up to 2.9 was successfully achieved |
140
|
| Mesoporous silica NP |
Cellulose tris(3,5-dimethylphenylcarbamate) (CDMPC) |
Benzoin, indapamine, Tröger's base, praziquantel, DDBD, OHBN, warfarin, tetrahydropalmatine and pindolol |
CEC |
The particle and pore size was 600 nm and 300 nm, respectively. No Rs for paraziquantel was achieved. For other racemates, the Rs range from 1.14 to 5.28 |
141
|
| Zeolite imidazolate nanocrystal |
BSA |
Salbutamol sulfate |
CE |
Compared to bare columns with no separation, a good separation was achieved using BSA@ZIF-8-OT columns |
142
|
| Metal–organic framework (MOF) |
Chiral bridging ligand [{Cu(sala)n] (H2sala = N-(2-hydroxybenzyl)-l-alanine) |
Citronellal, Camphor, Ala, Leu, Val, Isoleu, 1-phe-1,2-ethandiol, phenylsuccinic acid, and 1-phe-ethanol |
GC |
Separation factor range (α) from 1.01–1.33 |
143
|
| Polystyrene NP (PSNPs) |
Hydroxypropyl-β-CD (HP-β-CD) |
Propanolol |
CE |
Av diameter of 15 ± 5 nm. The separation with PS improved to 0.92 from 0.6 (without PS at BGE) |
122
|
| Mesoporous silica NP |
CM-β-CD |
Ephedrine (EPHE) and chlorpheniramine (CHLORPHE) |
CE |
Sz approximately 120 nm. At optimum conditions, Rs improved from 0.86 to 1.05 (ephedrine) and from 0.88 to 1.12 (chlorpheniramine) |
144
|
| G3.0-PMMPs |
(l)-Val |
Dansy (d,l)-phe |
CE |
l-Val@G3.0-PMMPs mostly adsorbed dansyl (l)-phe. The obtained ee was 20.1% |
145
|
| poly(glycidyl methacrylate) (PGMA) NPs |
Ethanediamine-β-CD |
Propranolol (prop) metoprolol (metopro) amlodipine (amlo) |
CEC |
Best resolutions were obtained at 1.27, 1.01, and 2.93 for prop, metopro, and amlo, respectively |
146
|
| SiO2@PDA |
BSA |
Prop and trp |
CE |
Particle size ∼150 nm. In five adsorption steps, ee of Trp and prop are 14.50% and 11.71%, respectively. When starting racemic solution is 75% ee, after adsorption with SiO2@PDA@BSA gave 100% ee (solution is purified) |
121
|
| Silica |
PEO113-b-((d,l)-GluA)10 |
Val |
Circular dichroism (CD) and polarimetry |
The pore sizes of the CMS sphere were within 2–3 nm. The ee of separation was 50% |
118
|
| Mesoporous silica |
The l-forms of the target analytes |
Pro, Ile, trans-4hyp, pipecolic acid, Val, Leu, Phg |
HPLC-ESI-MS |
Obtained pore sizes in the range of 2.8–3.3 nm. Separation factor, α, for Pro, Ile, trans-4hyp, pipecolic acid, Val, Leu, Phg were obtained 6.26, 1.30, 0.7, 1.5, 1.09, 1.12, and 1.15 respectively |
117
|
| Mesoporous silica |
(l)-Phenylalanine |
(d,l)-Phenylalanine, (d,l)-ala and (d,l)-lysine |
CD spectra |
The pore sizes were within 2.3–2.5 nm. The synthesized materials gave stronger adsorption for (l)-phenylalanine with a capacity of up to 3.24 |
120
|
| Mesoporous silica nanospheres |
Chiral anion surfactant (N-palmitoyl-l-phenylalanine) |
Alanine |
CD spectroscopy |
The particle size and pore diameters were within 190 nm-210 nm and 3 nm-4 nm, respectively. Chiral selectivity factor of 3.15 |
114
|
| Mesoporous silica |
(d)- or (l)-proline |
Proline |
CD |
Pore sizes in the range of 2.6–3.2 nm. (d,l)-racemate separation factor (α D/L) is 3.2 |
116
|
| Mesoporous silica |
Aspartic acid block copolymer |
Valine |
CD and optical polarimetry |
CMS with a pore size of 3–5 nm. chiral selectivity factor of 7.52 |
119
|
| Mesoporous silica |
Guanosine monophosphate (NGM-1) and folic acid (NFM-1) |
Valine |
CD |
cNFM-1 preferred to adsorb (l)-valine than (d)-valine with an adsorption ratio of 2.6, while cNGM-1 preferred to adsorb (d)-valine than (d)-valine with an adsorption ratio of 4 |
147
|
| Mesoporous silica |
Copolymers of poly(ethylene oxide) (PEO) and chiral (d,l)-phenylalanine – glutamic acid [PEO-β-(l,d)-GluA) and blocks of chiral (l,d)-phenylalanine [PEO-b-((l,d)-Phe) |
Valine |
CD |
The pore's diameter was between 3.5–3.7 nm. The synthesized nanoparticles mostly adsorb (l)-valine; the obtained ee was 54% |
115
|
