Table 2.
Analyte | Mode | Gel | Capillary | Voltage | Detection | Notes | Ref. |
---|---|---|---|---|---|---|---|
In-house IgG2λ, IgG2K, and IgG1K mAbs |
Nonreducing | Beckman Coulter SDS-MW gel buffer |
30 (20) cm, 50 µm id |
15 kV | UV 220 nm | Monitor disulfide reduction during production |
[36] |
In-house IgG1 mAbs |
Reducing and nonreducing |
Agilent High Sensitivity Protein 250 Kit |
Agilent 2100 Bioanalyzer |
NR | LIF | Characterization of size variants |
[37] |
In-house IgG1 and IgG4 mAbs |
Reducing and nonreducing |
Beckman Coulter SDS-MW gel buffer |
31.2 (20) cm, 50 µm id |
−15 kV | LIF ex. 488 nm / em. 600 nm |
Impurity analysis | [38] |
IgG 1 mAb | Reducing | Beckman Coulter SDS-MW gel buffer |
30.2 (20) cm, 50 µm id |
−15kV | PDA | Comparison of SDS-CGE To SDS-PAGE |
[39] |
Myoglobin, carbonic anhydrase I, ovalbumin, BSA |
Nonreducing | Beckman Coulter SDS-MW gel buffer |
33 (24.5) cm, 50 µm id |
−16.5 kV | 220 nm | Demonstration of improved precision |
[40] |
In-house Fc-fusion proteins, and IgG1 and IgG2 mAbs |
Reducing and nonreducing |
Beckman Coulter SDS-MW gel buffer |
30 (20) cm, 50 µm id |
15 kV | 220 nm | Automated sample preparation |
[41] |
In-house vaccine proteins |
Reducing | Protein Simple separation matrix |
12-capillary cartridge; 5 cm, 100 µm id |
250 V | Chemiluminescence from secondary antibody |
Automated separation and Western blot |
[42] |
Ricin A-chain immunotoxins |
Reducing and nonreducing |
Bio-Rad CE-SDS run buffer |
24 (19.5) cm, 50 µm id |
5 or 15 kV | UV 220 nm and MALDI-TOF-MS |
CGE-MALDI-TOF-MS of ricin proteins |
[45] |
In-house mAbs and proteins |
MGE Reducing and nonreducing |
HT Protein Express gel matrix |
LabChip GXII | NR | Indirect and direct LIF ex. 620 nm / em. 700 nm |
MGE methods for high- resolution and high- sensitivity |
[138] |
Actin, carbonic, anhydrase II, and, lysozyme |
MGE Nonreducing |
Beckman Coulter SDS-MW gel buffer |
2 cm glass microchip | 480 kV | Western blot | MGE separation with off- chip Western blot detection |
[140] |
Capillary: actual length (effective length), inner diameter
Bovine serum albumin (BSA), Not reported (NR)