In an article in Science, Christopher Bronk Ramsey et al. documented a massive number of radiocarbon dates on material from various Egyptian dynasties. Some of the difficulties the data raise for the dating of the Santorini eruption, and for various theories of the Exodus, are considered.
References:
1. Bronk Ramsey C et al., 2010. Radiocarbon-based Chronology for Dynastic Egypt. Science 328:1554-7
2. Bruins HJ, 2010. Dating Pharaonic Egypt. Science 328:1489-90
3. http://www.sciencemag.org/content/suppl/2010/06/15/328.5985.1554.DC1.html
Source: It's About God