MPI-M Microfluidic Chip Chemiluminescence Detection System
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Instrument Category | Microfluidic Chip System |
| Model | MPI-M |
| Pricing | Upon Request |
| Key Specifications | Dynamic Range > 5 decades |
| Emission Wavelength Detection Range | 300–650 nm |
| Photometric Sensitivity | SP > 1000 A/lm |
| High-Voltage Power Supply | 4-channel, 0–2000 V per channel, 0–2 mA per channel, 10-step programmable sequencing, selectable output modes (output / disconnect / ground), current-limiting protection |
Overview
The MPI-M Microfluidic Chip Chemiluminescence Detection System is an integrated analytical platform engineered for high-sensitivity, real-time chemiluminescent detection within microfluidic chip environments. It combines precise electrochemical excitation control with photon-counting detection to support quantitative analysis of chemiluminescent and electrochemiluminescent (ECL) reactions occurring directly on chip-based microchannels. Unlike conventional benchtop luminometers, the MPI-M system embeds synchronized fluidic actuation, voltage programming, and optical signal acquisition into a single hardware architecture—enabling time-resolved measurement of transient luminescence kinetics under controlled electrochemical conditions. This architecture is particularly suited for applications requiring low sample consumption, rapid assay turnaround, and spatially resolved reaction monitoring across multi-zone microfluidic layouts.
Key Features
- Integrated dual-function control: Simultaneous coordination of microfluidic sample introduction (via pressure-driven or electrokinetic flow) and electrochemical excitation (via programmable high-voltage source).
- Four-channel independent high-voltage power supply: Each channel supports 0–2000 V output, 0–2 mA current limit, and 10-step programmable voltage/current profiles with selectable grounding modes—critical for multiplexed electrode addressing in chip-integrated working/counter/reference configurations.
- High-gain photodetection module: Optimized for weak-light capture across 300–650 nm spectral range; achieves photometric sensitivity exceeding 1000 A/lm (amperes per lumen), enabling sub-picomolar detection limits in optimized ECL assays.
- Real-time signal synchronization: Hardware-level timestamp alignment between fluidic event triggers (e.g., valve actuation, voltage pulse onset) and photon arrival data—ensuring temporal fidelity for kinetic modeling of surface-bound or diffusion-controlled luminescent reactions.
- Dynamic range > 5 decades: Achieved via auto-ranging analog-to-digital conversion and logarithmic amplification circuitry, supporting quantification from background-limited signals to saturated emission without manual gain adjustment.
- Measurement accuracy < 0.05%: Validated using NIST-traceable luminance standards and calibrated photodiode references under ISO/IEC 17025-compliant laboratory conditions.
Sample Compatibility & Compliance
The MPI-M system accommodates standard glass, PDMS, and cyclic olefin copolymer (COC) microfluidic chips with integrated ITO or gold electrodes (≥10 µm feature size). It supports aqueous and low-conductivity organic-aqueous solvent systems (e.g., acetonitrile/water mixtures up to 80% v/v) compatible with common ECL reagents including Ru(bpy)₃²⁺, luminol, and peroxyoxalate derivatives. All electrical subsystems comply with IEC 61010-1:2010 safety standards for laboratory equipment. Data acquisition firmware implements audit-trail logging in accordance with FDA 21 CFR Part 11 requirements for electronic records and signatures, supporting GLP/GMP-aligned validation protocols.
Software & Data Management
The proprietary MPI Control Suite (v4.2+) provides instrument orchestration, real-time visualization, and post-acquisition analysis. Core capabilities include: multi-parameter waveform generation (voltage, current, flow rate); time-stamped overlay of luminescence intensity, electrode potential, and chip pressure traces; batch processing of kinetic decay curves using nonlinear least-squares fitting (e.g., mono-/bi-exponential models); export of raw .csv and vendor-neutral .h5 files compliant with MIAME and MIAPE metadata guidelines. Software validation documentation—including IQ/OQ/PQ test scripts—is provided for regulated environments.
Applications
- Electrochemiluminescent immunoassays (ECLIA) on chip-based solid-phase platforms.
- Kinetic profiling of enzyme-catalyzed chemiluminescent reactions (e.g., alkaline phosphatase–AMPPD systems).
- Single-cell secretion analysis via localized ECL detection at microelectrode arrays embedded in chips.
- High-throughput screening of catalyst efficiency in heterogeneous ECL systems.
- Validation of microfluidic mixing performance through spatially resolved luminescence quenching gradients.
FAQ
Is the MPI-M compatible with third-party microfluidic chips?
Yes—provided chips incorporate standard electrode geometries (e.g., interdigitated, three-electrode) and are sealed with materials resistant to applied potentials up to ±2000 V.
Does the system support temperature control during detection?
No built-in thermal regulation; however, external Peltier stages or incubation modules may be interfaced via TTL-triggered I/O ports.
Can raw photon count data be exported for custom analysis?
Yes—time-stamped photon arrival timestamps and integrated counts are exportable in HDF5 format with full metadata embedding.
What regulatory documentation is included for GxP use?
Full validation package includes risk assessment (FMEA), traceability matrix, software verification reports, and electronic signature configuration guides aligned with 21 CFR Part 11.
Is remote operation supported?
Yes—via secure HTTPS API endpoints and WebSocket-based live streaming of acquisition buffers, enabling integration into centralized lab automation frameworks.
