Scientific apparatus and instruments for measuring relative DNA, RNA and protein and parts and fittings therefor; Scientific apparatus, namely, spectrometers and parts and fittings therefor; Scientific apparatus, namely, spectrophotometer for measuring relative DNA, RNA and protein; Scientific instrumentation for measuring drug target engagement; Scientific instruments, namely, electronic analyzers for testing and analyzing chemical and biological substances for the presence, absence, or quantity of drug target engagement; Scientific research specimen collection devices in the nature of chip, tube, sensor, specimen for the collection of drug target engagement; Bio-chips for research or scientific purposes; Pharmaceutical and scientific research equipment for use in mass spectrometers; Plates, glass slides or chips having multi-well arrays that can be used in chemical analysis, biological analysis or patterning for scientific, laboratory or medical research use; Sensor chips for scientific use; Sensors for scientific use to gather animal biometric data