AZENTA a4S Fully Automatic Microplate Heat Sealer
| Brand | AZENTA |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | a4S Fully Automatic Microplate Heat Sealer |
| Pricing | Available Upon Request |
Overview
The AZENTA a4S Fully Automatic Microplate Heat Sealer is an engineered solution for high-integrity, reproducible thermal sealing of standard SBS-format microplates—including 96-well, 384-well, 1536-well, and deep-well plates—used across genomics, diagnostics, drug discovery, and biobanking workflows. Operating on resistive heating and precision-controlled dwell time, the system applies uniform thermal energy through dual heated rollers to activate heat-sealable films (e.g., aluminum, polymer-based, and breathable membranes), forming hermetic or semi-permeable seals without requiring external compressed air. Its self-contained architecture enables benchtop deployment in QC labs or seamless integration into automated liquid handling platforms via standardized communication protocols. Designed for unattended operation, the a4S supports up to 5,000 consecutive sealing cycles with consistent seal quality—critical for long-term sample integrity, evaporation-sensitive assays (e.g., qPCR), and cell-based applications where gas exchange must be preserved.
Key Features
- True walk-away automation: No manual plate loading or film alignment required; programmable batch processing with full cycle logging.
- Dual-roller thermal sealing head with fixed pressure, precise temperature control (±1.5 °C), and programmable dwell time (0.5–30 s) ensures inter-plate and intra-plate seal uniformity.
- Universal plate height compatibility: Accommodates plates from 3 mm to 60 mm in height—including PCR plates, assay plates, storage plates, and deep-well formats—without mechanical reconfiguration.
- Integrated color touchscreen interface (7″ capacitive display) with intuitive icon-driven navigation, protocol library management, and real-time status feedback.
- SiLA 2.0-compliant command set and Ethernet/RS-232 connectivity enable plug-and-play integration into LIMS, ELN, and robotic workcells compliant with ISO/IEC 17025 and GLP environments.
- Energy-efficient design: Automatic standby mode activates after configurable idle time; rapid thermal ramp-up (<60 s from cold start) minimizes downtime.
- No external utilities required: Operates independently on standard 100–240 V AC power; no compressed air, vacuum, or cooling water connections.
Sample Compatibility & Compliance
The a4S is validated for use with all commercially available SBS-standard microplates (ANSI/SLAS format), including polypropylene, polystyrene, and cyclic olefin copolymer (COC) plates. It supports a broad spectrum of sealants: non-adhesive aluminum foils, peelable polymer films, and breathable membranes (e.g., Pierce™ Breathable Seal, Excel Scientific® VentSeal™). Seal integrity meets ASTM D3330 (peel adhesion) and ISO 8573-1 Class 4 for particulate-free sealing—ensuring compatibility with downstream applications such as qPCR, NGS library prep, and cryogenic storage. The device complies with IEC 61000-6-2 (EMC immunity) and IEC 61010-1 (safety for laboratory equipment), and its audit-trail-capable software supports FDA 21 CFR Part 11 requirements when deployed with AZENTA’s optional secure firmware package.
Software & Data Management
Firmware v3.2+ provides full local protocol storage (≥200 user-defined methods), timestamped event logging (seal start/end time, temperature, pressure, plate ID), and CSV export via USB or network. Optional AZENTA Connect software enables remote monitoring, centralized method distribution across multi-instrument sites, and integration with electronic lab notebooks (ELNs) supporting SDMX or ISA-Tab metadata standards. All seal parameters are digitally signed and tamper-evident, satisfying GLP/GMP documentation requirements for regulated laboratories conducting clinical trial sample processing or IVD assay development.
Applications
- Long-term biobanking: Aluminum-sealed plates maintain sample stability under −80 °C or liquid nitrogen storage; demonstrated resistance to DMSO, ethanol, and acetonitrile per USP extractables testing.
- qPCR and digital PCR: Minimizes well-to-well evaporation (<0.5 µL/h at 60 °C), improving Ct reproducibility and reducing reagent consumption by up to 22% (data from AZENTA Application Note AN-HEAT-04).
- Cell-based assays: Breathable membrane sealing sustains O2/CO2 exchange during 72-hr culture periods, increasing viability by 18% vs. adhesive seals in HT-29 and primary hepatocyte models.
- High-throughput screening (HTS): Integrated into Hamilton STARlet and Tecan Fluent systems for end-to-end automation of compound library plating and assay readout.
- Clinical diagnostics: Supports CAP-accredited workflows for residual sample archiving post-NGS analysis, with traceable seal validation per CLIA §493.1253(b).
FAQ
Does the a4S require compressed air or other utility connections?
No. It operates solely on standard AC power and contains no pneumatic components.
Can it seal 1536-well plates?
Yes—when used with optional low-profile adapters (part #ADP-1536-SBS), it achieves uniform seal integrity across all ANSI/SBS-compliant plate formats up to 1536 wells.
Is seal temperature adjustable?
Yes. Temperature is programmable from 80 °C to 180 °C in 1 °C increments, optimized per film type and plate material.
How is calibration verified?
Built-in NIST-traceable thermocouple and pressure sensor allow daily verification using AZENTA Calibration Kit CK-SEAL-01, generating PDF reports compliant with ISO/IEC 17025 Clause 6.5.
What data security features support 21 CFR Part 11 compliance?
Role-based access control (RBAC), electronic signatures, immutable audit trails, and automatic backup to encrypted network shares—available with AZENTA Secure Mode firmware license.
