ch. 1. A1GaN/GaN sensors for direct monitoring of nerve cell response to inhibitors / I. Cimalla. [et al.] -- ch. 2. Recent advances in wide-bandgap semiconductor biological and gas sensors / B.H. Chu. [et al.] -- ch. 3. Advances in hydrogen gas sensor technology and implementation in wireless sensor networks / Travis J. Anderson. [et al.] -- ch. 4. InN-based chemical sensors / Yuh-Hwa Chang. [et al.] -- ch. 5. ZnO thin-film and nanowire-based sensor applications / Y.W. Heo. [et al.] -- ch. 6. Bioaffinity sensors based on MOS field-effect transistors / D. Landheer. [et al.] -- ch. 7. MEMS-based optical chemical sensors / H. Xie and Z.M. Qi.