A toilet bowl deodorizing, disinfecting and washing apparatus. The lens consists of many micromirrors and actuating components. 07; and the storage modulus G of said polymer, determined upon cooling as described herein, intersecting a value of 3. By selecting the width of the electrode based at least in part on the period of the resonator, a spurious-mode of the passband of the PBAW device may be suppressed. The biological material may be eluted by lowering a concentration of salt or increasing a pH level.