Release the ethylene-action payload exactly when and where the device decides it matters.

A distributed alternative to the single back-of-the-container modulator sachet.

Traditional climacteric-modulator delivery is a one-shot passive sachet or a centralised gas charge — fixed dose, fixed location, no awareness of where the ethylene-producing fruit actually is, no awareness of where the ripening hotspots have moved over time. The E-MCP is the opposite of that: a small autonomous release node, deployed in numbers across the cargo space, releasing payload only when the on-device or upstream model says it is warranted.

A sealed, periodically-gated sensing cavity inside the puck reads its own headspace.

The receptor chemistries that detect ethylene at trace levels — metal-organic frameworks functionalised with biomimetic ethylene receptors — cannot survive 42 days of continuous reefer humidity. The E-MCP solves this by placing the sensing material inside a sealed cavity that opens only briefly, on a configurable duty cycle. The receptor is protected for the majority of the deployment; ethylene is measured during short, controlled sampling windows.

Distillation, not measurement. The cheap puck inherits what the lab-grade instrument knows.

A laboratory-grade ethylene analyser — the kind that resolves single-digit parts-per-billion — is expensive, fragile and impractical to put on every pallet. The Moseley E-Aegis carries one of these instruments and uses it to learn what real climacteric events look like over thousands of cold-chain hours. That trained knowledge is then distilled into a TinyML model that runs on the E-MCP. The result: a hockey-puck-sized release node that infers climacteric progression with lab-grade decisioning, without carrying a lab-grade sensor.

This is the core economic argument for distributed climacteric control: you only need to pay for the expensive instrument once — at the E-Aegis layer — and that intelligence then cascades to every E-MCP node in the fleet.

A nine-layer stack, every layer chosen to survive a 42-day reefer journey.

From top to bottom: a louvred vent cap protects the airway. A rotating-disc shutter inside a sealed chamber gates vapour egress and isolates the cartridge from condensation through a hydrophobic membrane and condensation trap. The release cartridge holds the ethylene-action payload bound to a metal-organic-framework matrix. A planar heating element beneath the cartridge drives controlled release. The control PCBA carries BLE 5.3, NFC cartridge identity and the on-device inference model. A flat battery pack of puck diameter provides primary energy; an organic-photovoltaic sidewall augments it for the 42-day operational floor. A base seals the assembly.

CartridgeMOF-bound ethylene-action payload · sealed · NFC identity

ActivationPlanar heater beneath cartridge

Vapour gateRotating-disc shutter in sealed chamber

Moisture isolationHydrophobic ePTFE membrane + condensation trap + gasket

PowerFlat battery pack + organic-PV sidewall

Operational floor≥ 42 days without service

ConnectivityBLE 5.3 · NFC

Operating range−20 °C to +40 °C

The E-MCP is the actuator arm of the Moseley Climacteric architecture.

The architecture is detect → predict → remediate. The E-Nose Label and E-Aegis sit on the detection side. The E-Sentinel ML model and the Metal-Cystine Sensor Array sit on the prediction side. The E-MCP — alongside the E-Remediation layer of the E-Aegis — sits on the remediation side, but as a distributed, networked actuator rather than a single bed inside the sentinel device.

A reefer container loaded with palletised cargo, instrumented end-to-end.

A typical 40′ reefer carries several E-MCP nodes on top of the pallet stacks, an E-Aegis sentinel at the front bulkhead near the reefer return-air path, and per-carton E-Nose Labels in high-value cartons. Reefer return-air carries each puck's controlled vapour egress through the headspace; release events are coordinated so dose is delivered to identified ripening hotspots rather than the load as a whole.