Raman spectroscopy of Bacillus thuringiensis physiology and inactivation J. B. Morrow, J. Almeida, K. D. Cole and V. Reipa Eur. Phys. J. Plus, 127 12 (2012) 151 Published online: 07 December 2012 DOI: 10.1140/epjp/i2012-12151-6