Improved Technique for Refining the Crystal of Bacillus thuringiensis by NaBr Gradient Centrifugation

So Takebe, Shinji Morinaga, Akira Mizuhashi and Tohru Komano

Cover of Proceedings of the 6<sup>th</sup> Pacific Rim Conference on the Biotechnology of <i>Bacillus thuringiensis</i> and its Environmental Impact