Pribolab® 8-Position Immunoaffinity Column Manifold System with Silent Air Pump
| Brand | Pribolab |
|---|---|
| Position Capacity | 8-channel |
| Pump Type | Dual-port silent diaphragm air pump |
| Pressure Output | >0.012 MPa |
| Air Flow Rate | 7.2 L/min |
| Sample Reservoir | (2) × 30 mL PP tubes, chemically resistant to organic solvents |
| Connection Fittings | 8 × universal push-fit column adapters |
| Tubing | Included silicone/PVC flexible tubing |
| Material | Chemically inert polymer frame, autoclavable components |
| Dimensions | Compact benchtop footprint, modular detachable design |
| Compliance | Designed for GLP-compliant sample prep workflows in food & environmental testing labs |
Overview
The Pribolab® 8-Position Immunoaffinity Column Manifold System is an engineered solution for high-throughput, reproducible sample cleanup in quantitative immunoaffinity chromatography (IAC). It operates on a positive-pressure driven principle—using regulated compressed air to deliver precise, gravity-independent flow control across up to eight parallel immunoaffinity columns simultaneously. Unlike passive gravity-based manifolds, this system eliminates variability caused by column packing density, resin swelling, or ambient temperature fluctuations. Its architecture supports standardized elution kinetics critical for regulatory methods targeting mycotoxins (e.g., aflatoxins, ochratoxin A), veterinary drug residues (e.g., chloramphenicol, sulfonamides), and environmental contaminants (e.g., microcystins), where consistent flow rate directly impacts binding capacity, washing efficiency, and recovery accuracy.
Key Features
- Eight-position modular manifold constructed from chemically resistant polypropylene and reinforced polymer composites—resistant to methanol, acetonitrile, PBS, and dilute acids/bases; fully compatible with 70% ethanol and sodium hypochlorite disinfection protocols.
- Dual-port silent diaphragm air pump delivering stable pressure output >0.012 MPa at 7.2 L/min free-air flow—designed for continuous operation without thermal drift or vibration-induced column disturbance.
- Two integrated 30 mL polypropylene sample reservoirs with precision-machined ports and leak-tight O-ring seals—reusable, autoclavable (121°C, 20 min), and certified extractables-free per USP .
- Eight standardized push-fit column adapters with tapered sealing geometry—ensures uniform contact pressure and minimizes dead volume between column frit and manifold port.
- Tool-free disassembly: Entire manifold baseplate detaches from support frame; reservoirs, tubing paths, and adapter arrays are independently serviceable—enabling rapid reconfiguration for column formats ranging from 1 mL to 15 mL bed volume.
Sample Compatibility & Compliance
The system is validated for use with Pribolab® immunoaffinity columns (e.g., AflaTotal, Zeara, DON, T-2/HT-2 kits) and third-party IAC columns conforming to ISO 14501:2021 and AOAC Official Method 2005.02 specifications. All wetted components comply with FDA 21 CFR §177.1520 (PP) and EU Regulation (EC) No 10/2011 for food-contact plastics. The manifold supports method transfer across accredited laboratories under ISO/IEC 17025:2017, with documented traceability for flow rate calibration using gravimetric measurement (per ASTM D1298). It meets GLP documentation requirements for audit-ready sample preparation logs when paired with electronic pump timers or external data loggers.
Software & Data Management
While the manifold itself is hardware-only, its operational parameters integrate seamlessly into laboratory informatics systems via optional digital pressure controllers (e.g., Sensirion SDP3x series) and time-stamped flow monitoring modules. When used within validated workflows, it supports 21 CFR Part 11–compliant electronic records through integration with LIMS platforms such as LabWare LIMS or Thermo Fisher SampleManager. Each run can be associated with unique sample IDs, column lot numbers, operator credentials, and timestamped step logs—including equilibration duration, wash cycles, and elution volume verification—enabling full chain-of-custody tracking.
Applications
This manifold is routinely deployed in accredited food safety labs for multi-analyte screening of cereals, nuts, spices, dairy, and feed matrices prior to LC-MS/MS or HPLC-FLD analysis. It enables parallel processing of batched samples under identical hydraulic conditions—critical for inter-laboratory comparison studies referenced in EFSA Scientific Opinions and EU Commission Regulation (EU) 2023/915. Additional applications include environmental water analysis (e.g., cyanotoxin removal from drinking water sources), clinical research specimen cleanup (e.g., cortisol or vitamin D metabolites), and biopharmaceutical process monitoring (e.g., host cell protein clearance validation).
FAQ
Can this manifold accommodate non-Pribolab immunoaffinity columns?
Yes—provided the column outlet diameter matches standard 1/16″ OD tubing and the inlet port accepts push-fit connections with 0.5–1.0 mm insertion depth.
Is sterilization required between runs?
Not for routine use; however, full chemical decontamination (e.g., 10% isopropanol followed by DI water rinse) is recommended after handling high-risk biological samples or solvent-sensitive analytes.
What flow rates are achievable across the 8 channels?
Under standard operating conditions (0.012 MPa pressure, 20°C), flow ranges from 0.2–0.5 mL/min per column—adjustable via individual needle valve controls on each outlet line.
Does the system include flow calibration documentation?
A factory-verified flow profile report is provided with each unit, listing mean flow deviation (<±3.2%) across all eight positions measured gravimetrically using certified Class A volumetric flasks.
How is maintenance performed on the air pump?
The diaphragm pump requires no scheduled lubrication; carbon filters should be replaced every 6 months under continuous use, and inlet air filters cleaned weekly in dusty environments.
