Archer reaches key development milestone

By Trevor Hoey. Published at Nov 26, 2019, in Technology

Archer Materials Limited (ASX:AXE) has progressed its graphene-based biosensor technology development by building a first-phase prototype device to test the printing and performance of graphene inks produced from the inventory of Carbon Allotropes also known as graphene inks.

This development attracted the attention of investors with Archer’s share price up 7.7% to 14 cents, representing a 100% gain in the last six months, with the company trading not too far shy of its 12 month high.

Commenting on the company’s biosensor development, Archer chief executive Dr Mohammad Choucair said, “We have reached a key development milestone towards commercially exploiting the intellectual property (IP) underpinning the graphene-based biosensor technology.

‘’This achievement provides support for a full patent application that would give Archer exclusive rights to commercially benefit from the IP.

‘’The materials and processes used to build the prototypes are not prohibitively expensive, which is an advantage in the printable biosensor market.”

Printed Graphene interdigitated electrodes (black patterns) patterned with micron-sized features on a flexible film substrate.
Printed Graphene interdigitated electrodes (black patterns) patterned with micron-sized features on a flexible film substrate.

Materials sourced from wholly-owned subsidiary

Graphene acts as a sensing interface to detect biochemicals.

The high-quality graphene used in the graphene ink formulations is prepared from non-graphitic feedstocks and is available in the inventory of Carbon Allotropes, a wholly owned subsidiary of Archer.

Using in-house alternatives to graphite for processing graphene inks strengthens Archer’s independent IP ownership position.

The quantity and quality of the non-graphitic graphene used is suitable for rapid prototyping and future device integration.

Development of graphene-based biosensor technology

The development focus is on manufacturing a commercially viable graphene-based biosensor technology and the registration of a full patent application protecting the underlying materials technology intellectual property.

This involves optimising ink formulations and their processing methods linked to the provisional patent claims, and identifying transduction methods, bioreceptors, analytes, coupling and assay reagents for the proper function of the biosensor technology.

Archer intends to commercialise the biosensing technology by seeking to establish commercial partnerships, including licencing agreements, with highly resourced organisations including biotechnology companies that could allow for product scale, intellectual property transfer, and distribution channels.

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