Leveraging Larger AES Keys in LoRaWAN: A Practical Evaluation of Energy and Time Costs.

Internet of Things (IoT) devices increasingly contribute to critical infrastructures, necessitating robust security measures. LoRaWAN, a low-power IoT network, employs the Advanced Encryption Standard (AES) with a 128-bit key for encryption and integrity, balancing efficiency and security. As computational capabilities of devices advance and recommendations for stronger encryption, such as AES-256, emerge, the implications of using longer AES keys (192 and 256 bits) on LoRaWAN devices' energy consumption and processing time become crucial.

Pharmacological studies of RGTA(11), a heparan sulfate mimetic polymer, efficient on muscle regeneration.

RGTA is a family of chemically modified polymers that have been engineered to mimic the properties of heparan sulfates towards heparin binding growth factors. In vivo, RGTA stimulated tissue repair and protection when injected at the site of an injury. These properties have been reported in various models, suggesting a potential interest for therapeutic uses as a general tissue repair agent.

Heparin-like polymer improved healing of gastric and colic ulceration.

A family of chemically substituted biopolymers has been developed to protect and stabilize heparin binding growth factors and was shown to enhance tissue repair in various in vivo models. One of these compounds, a dextran derivative named RGTA11, was tested for its ability to treat acute gastritis and colic ulceration models induced by ethanol and acid. RGTA was not efficient in reducing nor in protecting against gastric acidic secretion compared to EGF.

New healing agent for colonic anastomosis.

This study evaluated the healing property, on colonic anastomoses, of a new compound termed RGTA11 (standing for "regenerating agent," a dextran derivative with heparin-like properties). Colonic anastomoses were performed in 183 adult rats after dipping both ends of the colon in solutions containing RGTA11. The anastomoses were made end-to-end on a single plan, 8 sutures.

Heparin-like polymers derived from dextran enhance colonic anastomosis resistance to leakage.

A new tissue repair agent, RGTA11, is described for its ability to enhance colonic anastomosis repair and resistance to leakage. RGTA11 is a dextran derivative containing 110% carboxymethyl groups, 2.6% carboxymethyl benzylamide groups, and 36.