Naiad Graphene Liquid Cell (GLC) Fabrication System by VitroTEM
| Brand | VitroTEM |
|---|---|
| Origin | Netherlands |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | Naiad |
| Pricing | Available Upon Request |
Overview
The Naiad Graphene Liquid Cell (GLC) Fabrication System is an advanced, benchtop platform engineered for the reliable, reproducible assembly of graphene-encapsulated liquid cells for in situ transmission electron microscopy (TEM). Unlike conventional liquid cell approaches requiring custom TEM holders or specialized microelectromechanical systems (MEMS), the Naiad system enables rapid, standardized GLC fabrication using commercially validated monolayer and bilayer graphene transfer protocols. It operates on the principle of controlled capillary confinement: a precisely metered nanoliter-volume aqueous or organic suspension is sealed between two graphene membranes supported on ultrathin silicon nitride (SiN) windows—enabling high-contrast, low-drift imaging of dynamic processes at near-atomic resolution under native liquid conditions. Designed for compatibility with standard 3-mm TEM specimen holders and conventional high-brightness field-emission TEMs (e.g., Thermo Fisher Talos, JEOL ARM series), the Naiad eliminates dependency on proprietary hardware while maintaining electron transparency (>90% at 200 kV) and mechanical stability under beam exposure.
Key Features
- Rapid GLC assembly in under 5 minutes per cell—no cleanroom infrastructure or vacuum transfer required
- Integrated graphene quality verification module with optical contrast calibration and defect mapping capability
- Adjustable fluid gap control (10–500 nm range) via precision spacer alignment fixtures
- Compatible with both single-layer and CVD-grown bilayer graphene membranes on 50-nm-thick SiN windows (500 × 500 µm active area)
- Modular design supporting interchangeable window substrates (SiN, SiO₂, or Au-coated variants) for EELS or EDX optimization
- Beam-stable architecture minimizing drift (<1.2 nm/min at 200 kV, measured over 30 min acquisition)
Sample Compatibility & Compliance
The Naiad system supports a broad spectrum of hydrated and non-aqueous specimens—including whole eukaryotic and prokaryotic cells, virus particles, protein complexes, metallic and oxide nanoparticles, and colloidal quantum dots. All components comply with ISO 8573-1 Class 4 compressed air purity standards for cleanroom-adjacent operation and meet CE marking requirements for laboratory electrical safety (EN 61010-1). GLCs fabricated with Naiad are routinely validated against ASTM E2821–19 for in situ TEM liquid cell performance metrics, including leakage rate (<10⁻⁹ mbar·L/s), thermal drift stability, and electron dose tolerance (up to 150 e⁻/Ų sustained without graphene rupture). The system documentation supports GLP/GMP-aligned audit trails when integrated with compliant TEM data acquisition software.
Software & Data Management
Naiad includes VitroTEM’s GLC Studio v3.2—a dedicated Windows-based application for protocol management, real-time thickness monitoring via interferometric feedback, and automated log generation (timestamped operator ID, ambient RH/T, graphene batch ID, and fluid composition metadata). All logs export to CSV and XML formats compatible with LIMS integration. The software enforces 21 CFR Part 11–compliant electronic signatures and audit trail retention (minimum 10-year archival), with optional encryption modules for HIPAA/FDA-regulated biospecimen workflows. No cloud connectivity is enabled by default; local network deployment ensures full data sovereignty.
Applications
- In situ observation of intracellular organelle dynamics and membrane remodeling in live mammalian cells
- Real-time nucleation and growth kinetics of metal–organic frameworks (MOFs) in supersaturated solutions
- Aggregation pathways and surface ligand exchange of gold and iron oxide nanoparticles under physiological pH gradients
- Electrochemical interface evolution at solid–liquid boundaries during battery electrode cycling simulations
- Structural degradation mechanisms of 2D transition metal dichalcogenides (TMDs) in oxidative electrolytes
FAQ
Does the Naiad system require modification of my existing TEM column or holder?
No. Naiad-fabricated GLCs are fully compatible with standard 3-mm double-tilt and tomography holders across all major TEM platforms.
Can I reuse graphene membranes after GLC disassembly?
Graphene membranes are single-use per GLC assembly due to irreversible contamination and strain relaxation; however, SiN window substrates may be cleaned and reused up to five times with O₂ plasma treatment.
Is training provided for first-time users?
Yes—VitroTEM offers on-site or remote installation qualification (IQ) and operational qualification (OQ) services, including hands-on GLC fabrication workshops and TEM imaging validation sessions.
What is the typical shelf life of pre-mounted graphene/SiN chips?
When stored desiccated at 23 ± 2 °C and protected from UV exposure, chips retain optimal electron transparency for up to 12 months from manufacturing date.
How does Naiad ensure consistency across different operators?
Through standardized torque-controlled sealing fixtures, calibrated pipette tips with volume traceability to NIST SRM 2809, and built-in optical alignment verification at each assembly stage.
