Bruker Maldi-Tof Microflex 质谱仪

Bruker Microflex

This listing is for the This listing is for the Bruker microflex mass spectrometer

The unit is in full working condition and is ready for immediate use

The Bruker Microflex is a Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometer (MALDI-TOF MS), primarily used for rapid identification of microorganisms, biomolecules (like proteins and peptides), and polymers. It is part of Bruker’s MALDI Biotyper series

Key Components:

Laser Source: Nitrogen or solid-state laser (commonly 337 nm UV)

Ion Source: Vacuum chamber with MALDI target plate

Flight Tube: Measures time-of-flight of ions

Detector: Converts ion arrival times into a mass spectrum

MALDI Target Plate: Metal plate for spotting samples mixed with matrix

How It Works (Simplified):
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Sample Prep: Mix analyte with a MALDI matrix (e.g., α-cyano-4-hydroxycinnamic acid).

Laser Ionization: Laser hits the matrix, causing it to ionize the sample.

Ion Acceleration: Ions accelerated into TOF analyzer.

Detection: Time-of-flight is measured; smaller ions reach the detector faster.

Spectrum: Mass/charge ratio (m/z) plotted vs intensity.

Physical Specs (Approximate):

Footprint: Desktop size (about 80 cm width)

Weight: ~100–120 kg (varies by model/version)

Power: Standard lab electrical supply

Environment: Requires clean, stable temp/humidity condition