Fig. 4From: Protein profiles of hatchery egg shell membraneMALDI-TOF profile of HESM methanol extract before (a) and after reduction and alkylation (b). Two peaks corresponding to m/z 4643 and 4773 (a) show mass shifts by 348Â Da corresponding to m/z 4991 and 5121 (b), respectively (arrows)Back to article page