Dual-responsive (pH/temperature) Pluronic F-127 hydrogel …
网页2019年8月12日 · Various characterizations such as FTIR, SEM, TEM, zeta potential, and degradation of the hydrogel formulation indicated that the PF127/TMC/PEG-HA hydrogel showed better physico-chemical...
A Novel Superparamagnetic‐Responsive Hydrogel Facilitates Disc ...
网页2 天之前 · This hydrogel integrated both chemical and physical signals to recruit endogenous NPSCs and remotely control their cellular behavior, thereby orchestrating IVD regeneration. ... Malvern Panalytical) was employed to determine the zeta potential of the nanoparticles. Extraction, Identification, and Culture of …
Synthesis of two novel bio-based hydrogels using sodium
网页2022年2月8日 · Conversely, the zeta-potential of CH-based hydrogels showed an almost neutral charge at this pH condition, and consequently superb electrostatic interactions could not be expected between...
Highly-toughened PVA/nanocellulose hydrogels with anti …
网页2021年10月1日 · Thermogravimetric analysis, Zeta potential and transmission electron microscopy measurements were performed to give evidence of the effectiveness of the reaction. After that, glutaraldehyde crosslinked PVA hydrogels, were produced by addition of unmodified LNP and Ag loaded LNP (LNP Ag) in presence of cellulose nanocrystals (CNC). Thermal ...
Preparation of multifunctional hydrogels with accessible …
网页2023年6月26日 · Here we present a method to prepare multifunctional hydrogels by introducing isothiouronium groups into poly (ethylene glycol) diacrylate (PEGDA) hydrogels, and convert them into...
ZIF-8-enhanced multifunctional, high-performance nanocomposite hydrogel …
网页2 天之前 · In order to confirm the mechanism, zeta potentials of the pre-gel solutions with and without ZIF-8 were measured to observe the changes in surface charge. It is clearly observed from Fig. 3d that the addition of ZIF-8 increased the zeta potential, confirming the changes of surface charge, which in turn led to the enhancement of Z 3 PcHL ...
A versatile GelMA composite hydrogel: Designing principles, …
网页2023年10月10日 · The GelMA hydrogel with low substitution has fewer crosslinking sites, and with that comes higher molecular freedom and less density, resulting in superior permeability for air and ions [23].
Formulation and evaluation of microemulsion-based hydrogel …
网页The studied optimized microemulsion-based hydrogel showed a good stability over the period of 3 months. Average globule size of optimized microemulsion (F5) was found to be 18.98 nm, zeta potential was found to be -5.56 mv, and permeability of drug from microemulsion within 8 h was observed 84%.
An Ultrasound‐Responsive and In Situ Gelling Hydrogel …
网页2024年5月17日 · After injection and gelling with ions in situ, TPP ALG enables ultrasound visualized and responsive local delivery and long-term retention, capable of normalizing ECM, improving hypoxia, remodeling immunosuppressive microenvironment, and enhancing ICB permeation for boosting immunotherapy.
Responsiveness of Charged Double Network Hydrogels to Ionic …
网页2024年4月13日 · The interactions between the hydrogel and the ionic environment induce microstructural changes and charging of the double network, impacting surface properties such as topography, stiffness, and adhesion, which are spatially resolved by liquid-environment atomic force microscopy.