Biotage Isolera LS High-Throughput Flash Purification System
| Brand | Biotage |
|---|---|
| Origin | Sweden |
| Model | Isolera LS |
| Application Level | Laboratory-scale |
| Instrument Type | Medium-to-Low Pressure Preparative Liquid Chromatography |
| Flow Rate Range | 50–500 mL/min |
| Flow Accuracy | RSD ≤ 0.5% |
| Flow Precision | RSD ≤ 0.2% |
| Maximum Operating Pressure | 145 psi (10 bar) |
| Wavelength Range | 200–400 nm (standard UV), optional 200–800 nm (UV-Vis) |
| Wavelength Reproducibility | ±0.1 nm |
| Baseline Noise | ≤2×10⁻⁵ AU (peak-to-peak, methanol, 1 mL/min, 254 nm, 20 °C) |
| Data Acquisition Rate | 10 Hz |
Overview
The Biotage Isolera LS is a high-throughput, medium-pressure flash purification system engineered for scalable method development and kilogram-scale compound isolation in synthetic organic chemistry, medicinal chemistry, and process research laboratories. Based on proven low-pressure liquid chromatography (LPLC) principles—employing gradient elution with precise solvent mixing and UV-triggered fraction collection—the Isolera LS delivers robust separation performance across gram-to-kilogram sample loads. Its architecture integrates a dual-wavelength UV/Vis detector, four independent solvent channels, and an integrated sample loading pump to eliminate manual injection variability. Designed for reproducibility and operational continuity, the system operates under ISO 9001-certified manufacturing standards and supports GLP-compliant workflows through audit-trail-enabled software logging (21 CFR Part 11-ready configuration available upon request).
Key Features
- Integrated high-capacity loading pump enabling direct injection of liquid or slurry samples into SNAP cartridges up to 1500 g, eliminating manual column overloading and solvent spillage risks
- Dual-wavelength UV detection (standard 200–400 nm; optional extended 200–800 nm range) with real-time dual-channel absorbance monitoring and synchronized fraction collection
- Four-solvent gradient system supporting on-the-fly binary switching and mid-run introduction of a third solvent—enabling complex polarity modulation without method interruption
- High-flow capability (50–500 mL/min) with flow accuracy ≤0.5% RSD and precision ≤0.2% RSD, validated per ASTM D7091 and ISO 11607-2 calibration protocols
- Chemically resistant fluoropolymer fluidic path (including PFA and ETFE tubing) minimizing extractables and ensuring compatibility with aggressive solvents (e.g., DCM, THF, TFA)
- 10.4-inch capacitive touchscreen interface running embedded Linux OS; intuitive drag-and-drop gradient editor supporting linear, stepwise, and isocratic profiles
- Onboard pressure monitoring (displayed in psi or bar), automatic leak detection with audible/visual alerts, and integrated waste management with level sensing
Sample Compatibility & Compliance
The Isolera LS accommodates a broad spectrum of sample formats: direct liquid injections, dry-loaded slurries via adjustable-height 500 g empty loading columns, and pre-packed SNAP cartridges (silica, C18, amino, diol, and custom phases). It maintains full backward compatibility with third-party preparative columns meeting standard 10–50 mm ID specifications. System validation documentation aligns with ICH Q5A and USP chromatographic method requirements. All electronic records—including method parameters, run logs, UV chromatograms, and fraction maps—are timestamped and exportable in CSV/PDF formats to support internal QA audits and regulatory submissions.
Software & Data Management
Controlled by Biotage’s proprietary Isolera Software v5.x, the system provides comprehensive data governance: user-level access control, electronic signatures, and immutable audit trails compliant with FDA 21 CFR Part 11 when deployed in validated environments. Chromatographic data is stored locally on the onboard SSD and optionally synchronized to networked file servers via Ethernet or Wi-Fi. Remote monitoring and method deployment are supported through secure HTTPS-based web interface. Raw UV traces and fraction metadata are structured in vendor-neutral formats compatible with third-party cheminformatics platforms (e.g., ChemAxon, Dotmatics) and LIMS integration via RESTful API.
Applications
The Isolera LS serves as a critical tool in iterative synthesis workflows—particularly for rapid purification of intermediates and final APIs during route scouting and process optimization. Its high-flow kinetics reduce cycle time by up to 60% compared to conventional 40 mL/min systems when scaling from analytical to kilogram separations. Common use cases include: parallel purification of Suzuki coupling products; removal of Pd residues from cross-coupling reactions; isolation of enantiomerically enriched compounds using chiral SNAP columns; and desalting of peptide crude mixtures prior to lyophilization. The system’s reproducible retention time alignment across flow rates facilitates seamless transfer from discovery to pilot-scale manufacturing.
FAQ
What is the maximum sample loading capacity for dry-load applications?
Up to 100 g of silica-bound material can be loaded using the adjustable-height 500 g empty loading column; for pre-packed SNAP cartridges, maximum capacities are 750 g (SNAP KP-C18-HS) and 1500 g (SNAP Ultra).
Does the Isolera LS support method transfer from analytical HPLC?
Yes—gradient slope normalization and retention time modeling tools within Isolera Software enable systematic scale-up from 4.6 mm ID analytical columns to 30–50 mm ID preparative columns while preserving selectivity.
Can third-party detectors be integrated?
The system features analog and digital I/O ports (0–10 V, RS-232, Ethernet) for synchronization with external UV-Vis, ELSD, or CAD detectors; fraction collection triggers are programmable based on external signal thresholds.
Is remote software update capability available?
Firmware and software updates are delivered via encrypted USB drives or authenticated HTTP downloads; no cloud-based auto-update mechanism is implemented to preserve air-gapped lab network integrity.
What regulatory documentation is provided with the instrument?
Each unit ships with Factory Acceptance Test (FAT) report, IQ/OQ protocol templates, and a complete set of electrical safety and EMC compliance certificates (CE, UL 61010-1, FCC Part 15).





