Abstract:
:In order to generate an antibody against a small hapten molecule, the hapten is cross-linked with carrier protein to make it immunogenic. In this study, the hapten (Fumonisin B(1), FB(1)) was coupled to ovalbumin (OVA) and bovine serum albumin (BSA), respectively by a short cross-linker reagent (glutaraldehyde, GA). To develop a technique for detecting the conjugation, the hapten-protein conjugates (FB(1)-OVA and FB(1)-BSA) were characterized thoroughly by ultraviolet (UV) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, gel electrophoresis and matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS), respectively. The molecular weights of FB(1)-BSA and FB(1)-OVA were 74,355.301 Da and 48,009.212 Da, respectively determined by the method of MALDI-TOF-MS. The molecular coupling ratios were 11 and 5 in FB(1)-BSA and FB(1)-OVA, respectively. In this experiment, MALDI-TOF-MS was selected as the most efficient method to evaluate the cross-linking effect and calculate the molecular coupling ratio.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Wang Y,He CH,Zheng H,Zhang HBdoi
10.3390/ijms13010084subject
Has Abstractpub_date
2012-01-01 00:00:00pages
84-96issue
1issn
1422-0067pii
ijms-13-00084journal_volume
13pub_type
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