Narishige MA-2 Micromanipulator Mounting Stand

Overview

The Narishige MA-2 Micromanipulator Mounting Stand is a precision-engineered mechanical support platform designed for stable, vibration-damped positioning of micromanipulators in life science, electrophysiology, microinjection, and materials microcharacterization laboratories. Built upon the foundational principles of rigid-body kinematics and passive mechanical isolation, the MA-2 provides three degrees of freedom—horizontal translation (X-axis), vertical translation (Z-axis), and angular tilt (θ)—enabling sub-millimeter spatial repositioning without compromising structural integrity. Its compact footprint (250 × 150 × 85 mm) and low mass (2 kg) minimize inertial coupling to benchtop vibrations while maintaining sufficient rigidity to suppress resonant modes below 15 Hz—critical for high-magnification optical setups such as patch-clamp rigs or confocal imaging systems. The stand serves not as an actuated device but as a passive, manually adjustable foundation that ensures repeatable instrument alignment across experimental sessions.

Key Features

• Three-axis manual adjustment system with calibrated micrometer-style knobs for precise X-, Z-, and θ-positioning
• Monolithic anodized aluminum alloy construction offering high stiffness-to-weight ratio and long-term dimensional stability
• Corrosion-resistant surface finish suitable for humid, saline, or solvent-exposed laboratory environments
• Standardized M4 and M6 threaded mounting interfaces compliant with ISO 8015 geometric tolerancing and Narishige’s MM-32/33/34 series manipulator footprints
• Integrated anti-slip base with optional vacuum pad or magnetic base adapter (sold separately) for secure attachment to optical tables or laminar flow hoods
• No moving parts requiring lubrication or recalibration—designed for maintenance-free operation over >10,000 adjustment cycles

Sample Compatibility & Compliance

The MA-2 is engineered for interoperability with a broad range of micropositioning hardware, including Narishige MM-32, MM-33, MO-202, and hydraulic-driven models, as well as third-party manipulators adhering to ISO 8015-compliant mounting patterns (e.g., Sutter Instrument MPC-200, Scientifica PatchStar). It supports payloads up to 1.2 kg without measurable deflection (>95% positional retention after 24-hour static load test per ASTM E2507-18). While not an active measurement device, its mechanical design aligns with GLP and GMP facility requirements for traceable, documented instrument setup—particularly when used in FDA-regulated preclinical electrophysiology studies or ISO 13485-certified medical device R&D labs. No electrical certification (e.g., CE, UL) applies, as the stand contains no powered components.

Software & Data Management

As a purely mechanical mounting solution, the MA-2 does not incorporate embedded electronics, firmware, or software interfaces. Its role in digital workflows is indirect but essential: by ensuring consistent manipulator geometry across experiments, it improves inter-session reproducibility in image-based quantification (e.g., Fiji/ImageJ measurements of electrode tip position relative to cell membrane) and facilitates automated stage calibration routines in integrated microscopy platforms (e.g., Zeiss Axio Observer, Nikon Ti2-E). When deployed alongside Narishige’s optional digital readout accessories (e.g., MA-2R angle encoder kit), positional data may be logged via RS-232 or USB-serial interface into LabVIEW, Python (PySerial), or MATLAB environments—supporting audit trails required under 21 CFR Part 11 for regulated research documentation.

Applications

• Single-cell microinjection and intracytoplasmic sperm injection (ICSI) in reproductive biology and transgenic model generation
• In vitro and in vivo patch-clamp electrophysiology, including dual whole-cell recordings and sharp-electrode neuronal signal acquisition
• Micromechanical testing of biomaterials and hydrogels using force-sensing probes mounted on compatible manipulators
• Alignment and stabilization of fiber-optic cannulas, optogenetic implants, or microdialysis probes during stereotaxic surgery
• Positional referencing for focused ion beam (FIB)-SEM sample preparation and TEM lamella extraction workflows
• Microscale additive manufacturing setup where precise nozzle-to-substrate standoff distance must be maintained

FAQ

Is the MA-2 compatible with non-Narishige micromanipulators?
Yes—the base plate features standardized M4 and M6 threaded patterns aligned with ISO 8015 mounting conventions, enabling integration with most commercially available micromanipulators from Sutter, Scientifica, Luigs & Neumann, and other manufacturers.
Does the MA-2 require periodic recalibration?
No—its fully mechanical design eliminates drift or thermal hysteresis; however, users should verify knob backlash annually using a dial indicator per ISO 230-2 Annex B guidelines.
Can the MA-2 be mounted on vibration-isolation tables?
Yes—its low center of gravity and flat, machined base ensure stable coupling to pneumatic or active isolation platforms without resonance amplification.
What is the maximum recommended payload?
1.2 kg under static loading conditions; dynamic loads (e.g., rapid manipulator movement) should remain below 0.8 kg to preserve positional fidelity.
Is chemical resistance data available for the anodized aluminum surface?
The Type II anodized layer meets MIL-A-8625F specifications and demonstrates resistance to 0.1 M NaOH, 10% ethanol, and phosphate-buffered saline for >72 hours without visible degradation.