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Ultime pubblicazioni e brevetti sui biomateriali

Biomateriali

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Questa è la nostra ultima selezione di pubblicazioni e brevetti in inglese sui biomateriali, tra numerose riviste scientifiche online, classificate e incentrate su biomateriale, ingegneria dei tessuti, biodegradabilità, biopolimero, biocompatibilità, scaffold, biodegradabile, idrossiapatite, chitosano e alginato.

Hydrolytic evolution of the structure and rheology of a biodegradable hydrogel bearing poly(<i>D</i>,<i>L</i>-lactic acid)

Published on 2026-07-10 by Seonhye Hwang, Junho Lee, Hye Jin Oh, Seon Yeop Jung, Seyoung Kim @NATURE

Abstract: Polymer Journal, Published online: 10 July 2026; doi:10.1038/s41428-026-01227-9The hydrolysis behavior of PLA-bearing physical hydrogels was investigated using synchronized NMR, small-angle neutron scattering (SANS), and small-amplitude oscillatory shear (SAOS). During hydrolysis, water progressively penetrated and swelled the PLA nanodomains, as revealed by in situ SANS analysis. Although the hydrogels maintained their elastic nature throughout degradation, the storage modulus continuously decr[...]


Our summary: The study investigates the hydrolysis behavior of PLA-bearing hydrogels using NMR, SANS, and SAOS. Water penetration and swelling of PLA nanodomains were observed during hydrolysis. The hydrogels retained elasticity, but the storage modulus decreased as hydrolysis progressed, linking hydrolysis kinetics to mechanical degradation.

hydrolysis, biodegradable, hydrogel, rheology

Publication

Scaffolded machine learning system state

Patent published on the 2026-07-02 in US under Ref US20260187522 by MICROSOFT TECH LICENSING LLC [US] (Krabach Brian Scott [us], Goodner Marc A [us], Schillace Samuel Edward [us])

Abstract: A computing system is provided, including one or more memory devices and one or more processing devices. In an initial interaction session, the one or more processing devices execute an initial instance of a scaffolded machine learning (ML) system that interacts with an initial user over a user interface. The scaffolded ML system includes scaffolding code configured to call one or more ML models. The one or more processing devices store, in the one or more memory devices, an ML system state of t[...]


Our summary: A computing system executes a scaffolded machine learning system that interacts with a user. It stores the ML system state during the initial session. In subsequent sessions, it retrieves and initializes the system with the saved state.

Scaffolded machine learning, system state, memory devices, processing devices

Patent

Multi-function workstation platform

Patent published on the 2026-07-02 in US under Ref US20260183931 by AGOGLIA PHILIP [US] (Agoglia Philip [us])

Abstract: A multi-function workstation includes a platform with brackets at opposite ends, telescoping legs attachable to the brackets, and a modular tray assembly removably secured to upwardly extending protrusions of the legs. Each telescoping leg has an outer member and an inner member slidable along a longitudinal axis, with apertures and locking pins that fix the leg at selected extension lengths. The modular tray assembly provides slotted compartments, through-holes, and optional circular indentures[...]


Our summary: The multi-function workstation features a platform with adjustable telescoping legs and a modular tray assembly. It includes compartments for tool organization and a compact design for transport. This workstation provides a stable and ergonomic work surface for technicians and construction professionals.

workstation, modular, telescoping, ergonomic

Patent

Systems and methods for securing construction site scaffolding

Patent published on the 2026-07-02 in WO under Ref WO2026142693 by BECHTEL EQUIPMENT OPERATIONS INC [US] (Varner Benjamin [us], Mcdaniel Adam [us])

Abstract: Systems and methods for securing ring lock scaffolding to conventional formwork with a unique adapter that couples the ring lock scaffolding to the conventional formwork in a manner that enables the adapter to be positioned anywhere along the formwork for improved flexibility, stability and safety. The adapter enables ring lock scaffolding to be re-used on multiple construction projects without the need for stand-alone systems that are expensive and/or timely to construct.[...]


Our summary: The system secures ring lock scaffolding to conventional formwork using a unique adapter. This adapter allows flexible positioning along the formwork for enhanced stability and safety. It enables the re-use of scaffolding across multiple projects, reducing costs and construction time.

scaffolding, construction, adapter, safety

Patent

Hydrogel comprising functional peptide adjustable in physical properties

Patent published on the 2026-07-02 in WO under Ref WO2026142325 by KOREA INST OF MATERIALS SCIENCE [KR] (Park Hong-hyun [kr], Choi Yeong-jin [kr], Yun Hui-suk [kr], Gal Chang-woo [kr])

Abstract: The present invention provides a hydrogel and a bioprinting method using same, the hydrogel comprising a modified functional peptide and a tyrosine-containing biodegradable polymer, wherein the modified functional peptide has tyrosine-containing linkers connected to both ends of a functional peptide, and spacers are independently interposed between the linkers and at least one of the two ends. In the present invention, the flexibility of a bioprinted structure can be adjusted by adjusting the sp[...]


Our summary: The invention presents a hydrogel with a modified functional peptide and a biodegradable polymer. It allows for the adjustment of physical properties through spacer length variation. This enables control over the flexibility of bioprinted structures.

Hydrogel, functional peptide, bioprinting, biodegradable polymer

Patent

Medical pt alloy and medical member formed from medical pt alloy

Patent published on the 2026-07-02 in WO under Ref WO2026140708 by TANAKA PRECIOUS METAL TECH CO LTD [JP] (Matsuo Kenichi [jp], Shima Kunihiro [jp], Okubo Michimasa [jp], Inoue Akira [jp], Nagano Takurou [jp], Kandaka Takumi [jp], Omi Rikuto [jp], Tsuge Kenta [jp])

Abstract: The present invention relates to a medical Pt alloy formed from a Pt alloy containing Pt as a main component. The Pt alloy according to the present invention is a medical Pt alloy comprising a PtRe alloy containing 6.5-16.64 at% of Re with the balance being Pt and inevitable impurities. The medical Pt alloy of the present invention has biocompatibility and X-ray visibility and also has good mechanical properties and workability. The medical Pt alloy of the present invention is formed into a medi[...]


Our summary: The invention describes a medical Pt alloy primarily composed of platinum with a specific percentage of rhenium. This alloy demonstrates biocompatibility, X-ray visibility, and favorable mechanical properties. It can be formed into various medical members for use in devices like embolization coils and stents.

Pt alloy, biocompatibility, medical devices, mechanical properties

Patent

Microspheres comprising decellularized extracellular matrix, natural biopolymer and crosslinking agent and methods for making and using the same

Patent published on the 2026-07-01 in EP under Ref EP4768050 by FUNDACION TECNALIA RES & INNOVATION [ES] (Olalde Beatriz [es], Garcia Lizarribar Andrea Alicia [es])

Abstract: The present disclosure relates generally to microspheres comprising decellularized tissue extracellular matrix, at least a natural biopolymer, and at least a crosslinking agent. In some embodiments, the microsphere comprises biological cells and/or at least a biomolecule. Moreover, the present disclosure also relates to the method of generating said microspheres and the uses thereof.[...]


Our summary: The disclosure details microspheres made from decellularized extracellular matrix, natural biopolymers, and crosslinking agents. It includes methods for creating these microspheres and their potential applications. Some embodiments feature biological cells and biomolecules within the microspheres.

Microspheres, Decellularized ECM, Biopolymer, Crosslinking Agent

Patent

Kovacs-like memory effect in strain stiffening collagen networks

Published on 2026-06-10 by Abhishek Ghadai, Maitri Mandal and Sayantan Majumdar @IOP SCIENCE

Abstract: Materials driven far from equilibrium can encode memories of past deformations through long-lived structural reorganizations. Such memory effects-reflecting parameters such as deformation direction, magnitude, and duration have been widely explored in soft amorphous solids. Here, we report a Kovacs-like memory effect manifested as a non-monotonic stress relaxation in vitro biopolymer networks formed by type-I collagen, an essential component of the mammalian extracellular matrix. Using shear rhe[...]


Our summary: The study identifies a Kovacs-like memory effect in type-I collagen networks. This effect is linked to non-monotonic stress relaxation during nonlinear strain-stiffening. The findings reveal a correlation between memory response and negative normal stresses in biopolymer networks.

memory effect, strain stiffening, collagen networks, viscoelasticity

Publication

Argomenti trattati: biomateriali, ingegneria tissutale, biodegradabilità, biopolimero, biocompatibilità, scaffold, biodegradabile, idrossiapatite, chitosano, alginato, trattamenti al plasma, idrogel termosensibili, ASTM F2637, ISO 10993, ISO 13485, ISO 14971 e ISO 17025.

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