TTAG

TECHNICAL CHARACTERISTICS

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Scriba Nanotecnologie has developed an innovative time-temperature integrator (TTI) architecture. A TTI is a device recording the thermal history of packaging, and it is used to monitor the storage conditions of perishable products.

Our TTI is a completely passive time-temperature integrator (it does not require batteries or other power sources). It operates in the temperature range between -20 and 70 °C, monitoring the exposure to a temperature higher than a threshold temperature (2, 8, 17, 26 °C).

It is an adhesive label directly coupled with anti-counterfeiting miniaturized code En-TAG™. Indeed, it is composed of two distinct layers. The first one is a semi-transparent micrometric data-matrix (En-TAG™) containing sensitive data about the products in a small area (3×3 mm²). The second one is made of a thin microfluidic device, aligned with En-TAG™, which confines a thermosensitive formulation with defined optical properties. Accidental exposure to heated environment with temperature higher than threshold temperature is recorded by the interaction of thermosensitive materials with the nanostructured En-TAG™.

Competitive advantages of the TTAG

Our solution uses thermosensitive materials that undergo an irreversible change in their optical contrast when exposed to a particular range of temperature.

The advantages and benefits of TTAG are:

  • Capability to record ‘thermal excursions’ above a threshold temperature with a resolution of 1 hour over periods of 2 days, even in the case of multiple exposures.
  • Digital readout of the thermal exposure with a smartphone app developed by Scriba, automating the readout and simplifying the interpretation for the final user.
  • Thin design and small size (16mm x 20mm and 2mm thickness), suitable for primary packaging.

Scope of TTAG application:

  • TTI devices have numerous applications in the commercial field, mainly focused in the cold chain production, for thorough monitoring of the storage temperature of food or pharmaceutical products (antibiotics, vaccines, antibodies, etc.).
  • By using TTAG, one can identify in which points of the production chain there are present temperature excursion. In this way it is possible to reduce product waste and associated costs, by optimizing the overall production and assuring quality of the final product.
  • Our TTAG architecture not only serves as a time-temperature integrator, but as well provides anti-counterfeiting measurements by including an En-TAG™ millimetric data matrix. In this way, it is possible to include custom information in the code, as well as to insure product authenticity.

Table of comparison of TTAG features with commercially available time-temperature integrators (TTIs)

Devices

Automation in Packaging

Digital Readout

Time Integration

Size

Thermochromic Labels

Yes

No

No

Small

Data Loggers

No

Yes

Yes

Medium to Large

Printed Electronic Tags

No

Yes

Yes

Medium

T-TAG – Scriba’s Solution

Yes

Yes

Yes

Small


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