Micropipettes are precision instruments designed to accurately transfer very small volumes of liquid, typically ranging from 0.5 microliters to 1000 microliters. They are essential in virtually every laboratory discipline including clinical chemistry, microbiology, molecular biology, and immunology. Types of Micropipettes: 1. Fixed Volume - Dispenses a single predetermined volume 2. Variable Volume - Adjustable within a specific range 3. Single Channel - One tip for single sample handling 4. Multichannel - Multiple tips for simultaneous dispensing (8 or 12 channels) Proper Pipetting Technique: - Pre-wet the tip by aspirating and dispensing 2-3 times - Hold the pipette vertically during aspiration - Immerse tip only 2-3mm below liquid surface - Use forward pipetting for aqueous solutions - Use reverse pipetting for viscous or foaming liquids - Change tips between different samples to prevent cross-contamination Maintenance and Calibration: Regular calibration is essential for reliable results. Most manufacturers recommend annual calibration. Tips should be high quality and properly fitting to ensure accuracy. Qlinipette micropipettes, available through PT Buana Mitra Sukses, offer both variable and fixed volume options ranging from 5 uL to 1000 uL, with ergonomic design for comfortable extended use.