Slide test element holder with minimized Z-axis variability

Slide transfer mechanism

Slide-in cassette for a cup for testing of drugs of abuse

Smear preparing apparatus

Smearer mechanism

Smell sensing element and smell sensing device

SO.sub.2 sensor

Sodium amalgam monitor

Solid medium and method for DNA storage

Solid phase immunoassay device and method of making same

Solid phase microextraction field kit

Solid phase peptide synthesizer

Solid state apparatus employing hall effect sensors for detectin

Solid state chemical micro-reservoirs

Solid state chemical micro-reservoirs

Solid state humidity sensor

Solid state membrane channel device for the measurement and...

Solid state molecular probe device

Solid state sensor

Solid state sensor