Chinese herbal medicine-inspired construction of multi-component hydrogels with antibacterial and wound-healing-promoting functions.

Chinese herbal medicine (CHM) has offered a great treasure and source of inspiration for developing innovative medicinal materials and therapy. In this work, inspired by the macroscopic compatibility of and in CHM, the puerarin (PUE) and CaSO (Ca) as the main constituents, respectively, from the two herbs are co-assembled into two-component molecular hydrogels. Such two-component gels exhibited enhanced mechanical properties compared with the single-component PUE gel due to the introduction of crosslinking hydrogen bonds between PUE and Ca.

Matrix metalloproteinase-9 upregulation in keratinocytes of oral lichen planus via c-Jun N-terminal kinase signaling pathway activation.

Background/purpose: Oral lichen planus (OLP) is a chronic inflammatory disorder characterized by basement membrane disruption, which plays a crucial role in its pathogenesis. Matrix metalloproteinases (MMPs), a group of proteolytic enzymes, contribute to the degradation of the basement membrane. The specific MMPs secreted by keratinocytes in OLP lesions and relevant regulatory mechanisms are not fully understood.

In situ synthesis of HKUST-1 on copper-ammonia fiber for preparation of quaternary-ammonium chitosan based active packaging with sustained-release cinnamaldehyde.

Cinnamaldehyde (CIN) is gaining interest as a highly effective natural antimicrobial agent to extend the shelf life of fruits. However, its inherent instability limits further applications. In this work, a new strategy for the synthesis of HKUST-1 to encapsulate CINs by in situ growth method using copper-ammonia fiber as precursors is proposed.

Cellulose/covalent organic framework aerogel for efficient removal of Cr(VI): Performance and mechanism study.

Cellulose composites have exceptional qualities, particularly in removing heavy metal ions. Nevertheless, these materials' poor mechanical qualities and the restricted exposure of surface-active sites reduce the effectiveness of their removal. The removal efficiency of adsorbent materials largely depends on their macroscopic structural characteristics.

Supercritical CO-Stable Cementing Materials Based on Vinyl Ester Resin for Maintaining Wellbore Integrity.

Ensuring long-term wellbore integrity is critical for carbon dioxide geological storage. Ordinary Portland cement (PC) is usually used for wellbore primary cementing and plug operation, and set cement is easily corroded by acidic fluids, such as carbon dioxide, in underground high-temperature and high-pressure (HTHP) environments, resulting in a decrease in the mechanical properties and an increase in permeability. In order to achieve long-term wellbore integrity in a CO-rich environment This study introduces materials such as thermosetting vinyl ester resin (TSR), filler composite resin (FCR), and low-cost resin cement (RC).