Biotage® ACT Plate Adapter - Care and Use Instructions

Biotage ACT Plate Adapter: Application Guidelines and Insights

Importance of the topic:
High-throughput evaporative concentration of samples in 96-well plates is ubiquitous in analytical chemistry workflows. Minimizing well-to-well cross contamination preserves sample integrity and analytical accuracy. The Biotage ACT Plate Adapter is engineered to address common cross-talk issues by directing gas flow and reducing open surface area during evaporation.

Objectives and overview:
This document outlines the design, compatibility, usage, cleaning and performance recommendations for the Biotage ACT Plate Adapter. It aims to guide laboratory personnel through fitting, removal, maintenance and parameter optimization to achieve efficient, contamination-free solvent evaporation.

Methodology and instrumentation:
• Evaporator compatibility

• Intended for straight-needle systems (e.g., TurboVap 96 Dual). Not suitable for angled-needle configurations.

• Plate compatibility

• Optimized for square-well collection plates (1 mL and 2 mL nominal volumes).
• Chamfered sealing edges ensure a tight fit despite minor plate-to-plate tolerances.

• Solvent tolerance and cleaning protocol

• Anodized aluminum construction resists common solvents, acids and bases.
• Post-use cleaning: deionized water rinse, methanol soak, compressed air dry, storage in sealed bag.

• Usage guidelines

• Max fill volumes: 0.75 mL (1 mL plate), 1.5 mL (2 mL plate).
• Recommended gas flow: 40 L/min at 40 °C (adjust per application).
• Evaporator needle heights: ~2 mm above chimneys for 1 mL plates; ~2 mm penetration into chimneys for 2 mL plates.

Main results and discussion:
Performance testing demonstrates a significant reduction in cross-well contamination when using the adapter. The chimney design channels evaporative gas directly into wells, limiting eddies and solvent reflux. Optimal flow and temperature settings deliver efficient evaporation rates without compromising sample purity.

Benefits and practical applications:

• Enhanced sample integrity by preventing cross-contamination.
• Broad solvent compatibility for diverse sample preparation methods.
• Easy installation and removal to streamline daily workflows.
• Extended adapter life (recommended replacement after ~250 uses).

Future trends and potential applications:
Integration of plate adapters into automated liquid-handling and evaporation platforms could further boost throughput. Customizable chimney geometries may be developed for alternative plate formats. Advanced materials could improve chemical resistance and longevity.

Conclusion:
The Biotage ACT Plate Adapter serves as an effective tool for reducing cross-talk during plate evaporations. By following the recommended fitting, usage and cleaning procedures, laboratories can achieve reliable, high-throughput sample concentration with minimal contamination risk.

Reference:

• Patent pending PCT/US2014/059558