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redox potential endergonic reaction exergonic reaction atp bioenergetics cell organelles transport across cell membrane cell biomolecules biochemistry interpretation of ms fragmentation patterns types of ions produced vacuum system detectors fticr quadrupole ion trap tof magnetic sector quadrupole mass analyzers ei appi apci field and plasma desorption fab maldi esi mass spectrometer principle of ms capa sat fat acceptance testing urs types of validation dq iq oq pq validation qualification calibration glass tamper resistant packaging stability testing closure liners qc tests containers and closures metallurgy flexible packaging pharmaceutical packaging package testing packaging validation plastic