It was published that way, so preserve the capitalization (and use of
\beta) in my BibTeX.
@article{ isaacs06,
author = AMIsaacs #" and "# DBSenn #" and "# MYuan #" and "#
JPShine #" and "# BAYankner,
- title = {Acceleration of amyloid beta-peptide aggregation by
- physiological concentrations of calcium.},
+ title = {Acceleration of Amyloid $\beta$-Peptide Aggregation by
+ Physiological Concentrations of Calcium.},
year = 2006,
month = sep,
day = 22,