Simultaneously Imaged Research Articles

Electrochemical/photochemical formation of enzyme patterns on glass substrates using a scanning electrochemical/confocal microscope

A hybrid system consisting of a scanning electrochemical microscope (SECM) and scanning confocal microscope (SCFM) was fabricated and used for micropatterning and imaging of diaphorase immobilized on a glass substrate. Simultaneous imaging of the diaphorase spots demonstrated that the SECM can provide information on a localized enzyme reaction, while the SCFM affords information on the location of the active enzyme. By using this SECM/SCFM system, spatially selective deactivation of diaphorase was performed by inducing a local electrochemical reaction or by irradiating with the focused laser. The resulting patterns of diaphorase were simultaneously imaged with the SECM/SCFM system.

Simultaneous imaging of upset- and latchup-sensitive regions in a static RAM

Using the GSI heavy ion microprobe and a special hardware circuit for upset and latchup detection we have for the first time simultaneously imaged upset- and latchup-sensitive regions of a 2k × 8 bit static RAM (HM 65162) for different LET values of the beam and various operating voltages. Additionally we have mapped the scanned area by secondary electron imaging and ion induced charge imaging to create a data set as comprehensive as possible for the description of single event processes.