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Neueste Veröffentlichungen und Patente über Natriumpolyacrylat und superabsorbierende Polymere

. Neueste Veröffentlichungen und Patente über Natriumpolyacrylat und superabsorbierende Polymere. Additive Fertigung

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Dies ist unsere neueste Auswahl an weltweiten Veröffentlichungen und Patenten in englischer Sprache über Natriumpolyacrylat und superabsorbierende Polymere, unter vielen wissenschaftlichen Online-Zeitschriften, klassifiziert und konzentriert auf Natriumpolyacrylat, superabsorbierend, superabsorbierend, wasserabsorbierend, Polyacrylat, Hydrogel, Wasserschleuse und Windeln.

Multiscale design of hydrogel networks via hydrophilic side-chain length control

Published on 2026-06-16 by Takuma Kureha @NATURE

Abstract: Polymer Journal, Published online: 16 June 2026; doi:10.1038/s41428-026-01213-1Hydrogel networks with short and long hydrophilic ethylene oxide side chains exhibit distinct gelation behavior, mechanical deformation, nanoscale domain structures, and polymer/nanoparticle dynamics. This focus review summarizes recent studies showing how side-chain-length control governs these multiscale properties through gelation analysis, compression testing, scattering, rheology, and diffusion measurements. Thes[...]


Our summary: This review discusses how varying hydrophilic side-chain lengths in hydrogel networks affects gelation behavior and mechanical properties. It summarizes studies on the impact of side-chain length on nanoscale structures and dynamics. The findings emphasize side-chain engineering as a strategy for linking network architecture to macroscopic performance in hydrogels.

Hydrogel networks, Side-chain length, Gelation behavior, Mechanical properties

Publication

Cryobioprinting formulation

Patent published on the 2026-06-04 in WO under Ref WO2026117705 by THE BRIGHAM AND WOMENS HOSPITAL INC [US] (Zhang Yu Shrike [us])

Abstract: A bioink for cryobioprinting is described. The bioink comprises a decellularized extracellular matrix (dECM)-based hydrogel and a saccharide cryoprotectant. A method of making a 3D-printed biomaterial is also described, which includes depositing a bioink comprising a dECM-based hydrogel, cells, and a saccharide cryoprotectant from a 3D printer onto a freezing plate to form a frozen bioink filament; depositing additional bioink from a 3D printer in contact with a previously placed frozen bioink f[...]


Our summary: A bioink formulation for cryobioprinting is presented, consisting of a dECM-based hydrogel and a saccharide cryoprotectant. The method involves 3D printing the bioink onto a freezing plate to create frozen filaments. The resulting 3D-printed biomaterials consist of multiple frozen bioink filaments.

Cryobioprinting, bioink, decellularized extracellular matrix, hydrogel

Patent

Composition, device and kit for regenerative aesthetics

Patent published on the 2026-06-04 in WO under Ref WO2026115202 by LINIO BIOTECH LTD [FI] (Uusmies Jertta-riina [fi], Ylikomi Timo [fi], Hautanen Veera [fi], Kriel Haydn [fi], Reijonsaari Karita [fi], Vinkanharju Antti [fi])

Abstract: The invention relates to a composition comprising a cell-free lipoaspirate-derived preparation comprising a lipid fraction and/or an aqueous fraction of a lipoaspirate and at least one biodegradable crosslinked hydrogel. The invention further relates to a device and a kit comprising the composition. The composition, the device and the kit can be generally applied for aesthetic treatment of soft-tissue loss or deficit.[...]


Our summary: The invention includes a composition with a cell-free lipoaspirate-derived preparation and a biodegradable crosslinked hydrogel. It also encompasses a device and kit containing this composition. This innovation is aimed at aesthetic treatment for soft-tissue loss or deficit.

regenerative aesthetics, lipoaspirate, biodegradable hydrogel, soft-tissue treatment

Patent

Process for incorporating rosmarinic acid into a type i collagen solution

Patent published on the 2026-06-04 in WO under Ref WO2026112711 by ACEF S A [BR] (Aldrovani Rodrigues Marcela [br], Luiz Silva Jhuan [br], Borges Sales Antonio Augusto [br], De Melo Eveline Maria [br], Ferreira Thaylla Maria [br], Andrade Furtado Ricardo [br], Cunha Wilson Roberto [br])

Abstract: The invention relates to a process for preparing a formulation of rosmarinic acid in a type I collagen hydrogel of bovine origin for topical application in the treatment of pressure ulcers, also known as decubitus ulcers or pressure sores, in domestic animals and human beings, with the aim of accelerating the healing of the ulcerous wounds, reducing the area affected by the wound and improving wound contraction, thereby providing an effective and promising option for the treatment of pressure ul[...]


Our summary: The invention describes a method to incorporate rosmarinic acid into a type I collagen hydrogel. This formulation is intended for topical application to treat pressure ulcers in both animals and humans. The process aims to enhance healing, reduce wound area, and improve contraction.

rosmarinic acid, type I collagen, hydrogel formulation, pressure ulcers

Patent

Method for producing superabsorbent recycled polymer regenerated from used superabsorbent polymer having acid group, superabsorbent recycled polymer,

Patent published on the 2026-06-04 in WO under Ref WO2026116117 by UNICHARM CORP [JP] (Konishi Takayoshi [jp], Kinoshita Akiyoshi [jp])

Abstract: The present disclosure provides a method for producing a superabsorbent recycled polymer regenerated from a used superabsorbent polymer having an acid group, the method making it possible to produce a superabsorbent recycled polymer easily. Provided is a method for producing a superabsorbent recycled polymer regenerated from a used superabsorbent polymer having an acid group, the method being characterized by including: a preparation step for preparing the superabsorbent polymer; and a superab[...]


Our summary: The method produces a superabsorbent recycled polymer from used superabsorbent polymer with an acid group. It includes a preparation step for the superabsorbent polymer and a formation step using an alkali metal salt of a peracid. This process allows for easy regeneration of superabsorbent materials.

superabsorbent polymer, recycled polymer, acid group, alkali metal salt

Patent

Double-layer microparticles for colon-selective drug delivery, comprising photocrosslinkable fructooligosaccharide, and preparation method therefor

Patent published on the 2026-06-04 in WO under Ref WO2026117066 by GRASSMEDI CO LTD [KR] (Choi Jin Sik [kr])

Abstract: The present invention provides a preparation method for double-layer microparticles for colon-selective drug delivery, the method comprising the steps of: preparing a photocrosslinkable fructooligosaccharide by reacting a hydroxyl group present in fructooligosaccharide with glycidyl methacrylate so as to substitute the hydroxyl group with a methacryloyl group; forming drug-loaded fructooligosaccharide microparticles by, in a first microfluidic chip of a microfluidic control system, moving an aqu[...]


Our summary: The invention describes a method for preparing double-layer microparticles for colon-selective drug delivery. It involves creating a photocrosslinkable fructooligosaccharide and using microfluidic techniques to form drug-loaded microparticles. The process includes forming an alginic acid hydrogel layer to achieve a double-layer structure.

microparticles, drug delivery, photocrosslinking, microfluidics

Patent

Method for the preparation of an assembly of cells and microrobots

Patent published on the 2026-06-04 in WO under Ref WO2026115005 by TECHNISCHE UNIV MUENCHEN IN VERTRETUNG DES FREISTAATES BAYERN [DE] (Harder Philipp [de], Özkale Edelmann Berna [de])

Abstract: The present invention relates to a method for the preparation of an assembly of cells and microrobots comprising (a) preparing a suspension of cells and microrobots, wherein the microrobots comprises an alginate, collagen, fibrin, hyaluronic acid/collagen, polyacrylamide, or polyethylene glycol hydrogel capsule, wherein the alginate is conjugated to cell adhesive peptides, and (b) incubating the suspension of (a) to allow the microrobots to form an assembly with the cells via the binding of the [...]


Our summary: This invention describes a method for preparing an assembly of cells and microrobots. The process involves creating a suspension with specific hydrogel capsules and incubating it to facilitate binding. The method emphasizes using a conic microcentrifuge tube for optimal results.

cell assembly, microrobots, hydrogel, cell adhesive peptides

Patent

Ecological characteristics of ?-cyclodextrin-bearing spherical PVA hydrogels as supports for microbial immobilization

Published on 2026-05-27 by Hirohito Yamasaki, Yui Iwamoto, Taiji Ito, Kimitoshi Fukunaga @NATURE

Abstract: Polymer Journal, Published online: 27 May 2026; doi:10.1038/s41428-026-01203-3We prepared a mixed-type PVA spherical hydrogel (PVA-mix-βCyD/HDI) was prepared, in which βCyD/HDI was accumulated and distributed at contents of 18–55 μmol g−1. The internetwork distance on the hydrogel surface increased from ~20 to 30 μm as the amount of β-CyD increased, as confirmed by SEM cross-sectional images. This trend is opposite to that observed for the homogeneously dispersed PVA-co-βCyD hydrog[...]


Our summary: The study investigates the ecological characteristics of β-cyclodextrin-bearing PVA hydrogels for microbial immobilization. A mixed-type PVA hydrogel was prepared, showing increased internetwork distance with higher β-CyD content. PhOH-degrading bacteria were effectively immobilized, enhancing degradation rates as β-CyD concentration increased.

β-Cyclodextrin, PVA hydrogels, microbial immobilization, PhOH degradation

Publication

Behandelte Themen: Natriumpolyacrylat, superabsorbierende Polymere, Hydrogel, wasserabsorbierend, inverse Opale, photonische kolloidale Kristalle, optische Sensoren, wärmeempfindliches Hydrogel, Wundbehandlung, Biokompatibilität, superabsorbierend, Kompositmaterialien, Plasmabehandlungen, Wirkstoffrückhaltung, regenerative endodontische Therapien, Kern/Schale, Synthese, ISO 16240, ASTM D5742, ISO 14855, ASTM D6400 und ISO 17088.

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