Polyelectrolyte Hydrogel(聚电解质水凝胶)研究综述
Polyelectrolyte Hydrogel 聚电解质水凝胶 - 5 mM NaCl and Na2 SO4 ) on the gel, rheological and structural properties of fish gelatin (FG)-κ-carrageenan (κC) polyelectrolyte hydrogels. [1] In this study, we fabricated a series of polyelectrolyte hydrogels bearing a 3-trimethylammoniumpropyl pendant to a methacrylamide-based backbone and examined the switchability with hydrophobic-like counteranions. [2] The aim of the present work was to investigate the preparation of polyelectrolyte hydrogel as potential drug carrier for antibacterial Ciprofloxacin drug (CFX), intended for controlled release formulation. [3] Hence, in the present work, polyelectrolyte hydrogels are investigated in consideration of the mechanical characteristics via a tensile test. [4] Polyelectrolyte hydrogels have great potential as gel-polymer electrolytes (GPE) because of their lowcost and environmental benefits. [5] The study also revealed secondary factors, such as ion valency, ion specificity and hydrogen bond formation, holding crucial roles in tuning mechanical properties of the polyelectrolyte hydrogel. [6] The hydrogels are adhesive to many surfaces including polyelectrolyte hydrogels, skin, glasses, silicone rubbers, and nitrile rubbers. [7] In the case of polyelectrolyte hydrogels, the charges localized on the polymer chains, which mainly drive the swelling pressure inside the hydrogel, can also separate added salt via charge-based selectivity (Donnan exclusion). [8] The study also revealed secondary factors, such as ion valency, ion specificity and hydrogen bond formation, holding crucial roles in tuning mechanical properties of the polyelectrolyte hydrogel. [9] Here, we report the signal amplification in ionic systems as well as sensing through the modified design of polyelectrolyte hydrogel-based ionic diodes. [10] The objective of this work was to study the effect of the loading of monomers (cationic, anionic and ampholytes) in the preparation of polyelectrolyte hydrogels (PEHG) based on alkylated vinylated chitosan, in order to improve the understanding of the effect of ionic monomers on the polymerization of alkylated vinyl chitosan to obtain PEHGs. [11] This concept is complementary to the osmotic engine concept based on a polyelectrolyte hydrogel. [12]5 mM NaCl 和 Na2 SO4 ) 对鱼明胶 (FG)-κ-角叉菜胶 (κC) 聚电解质水凝胶的凝胶、流变学和结构特性的影响。 [1] 在这项研究中,我们制造了一系列聚电解质水凝胶,该水凝胶带有一个 3-三甲基铵丙基侧基到基于甲基丙烯酰胺的主链上,并检查了与疏水性抗衡阴离子的可转换性。 [2] 本工作的目的是研究聚电解质水凝胶的制备,作为抗菌环丙沙星药物 (CFX) 的潜在药物载体,用于控释制剂。 [3] 因此,在目前的工作中,考虑到机械特性,通过拉伸试验研究了聚电解质水凝胶。 [4] 聚电解质水凝胶因其低成本和环境效益而具有作为凝胶聚合物电解质(GPE)的巨大潜力。 [5] 该研究还揭示了次要因素,如离子价、离子特异性和氢键形成,在调节聚电解质水凝胶的机械性能方面起着至关重要的作用。 [6] 水凝胶可粘合到许多表面,包括聚电解质水凝胶、皮肤、玻璃、硅橡胶和丁腈橡胶。 [7] 在聚电解质水凝胶的情况下,位于聚合物链上的电荷主要驱动水凝胶内部的膨胀压力,也可以通过基于电荷的选择性(唐南排除)分离添加的盐。 [8] 该研究还揭示了次要因素,如离子价、离子特异性和氢键形成,在调节聚电解质水凝胶的机械性能方面起着至关重要的作用。 [9] 在这里,我们报告了离子系统中的信号放大以及通过基于聚电解质水凝胶的离子二极管的改进设计进行的传感。 [10] 本工作的目的是研究负载单体(阳离子、阴离子和两性电解质)在制备基于烷基化乙烯基壳聚糖的聚电解质水凝胶 (PEHG) 中的影响,以提高对离子单体对烷基化乙烯基壳聚糖聚合得到 PEHG。 [11] 这一概念与基于聚电解质水凝胶的渗透引擎概念相辅相成。 [12]
Swellable Polyelectrolyte Hydrogel 可膨胀的聚电解质水凝胶
Summary Expansion microscopy is a sample preparation technique in which fixed and immunostained cells or tissues are embedded in a cross-linked network of swellable polyelectrolyte hydrogel that expands isotropically upon addition of deionized water. [1] The method utilizes polymer chemistry and the ability of a swellable polyelectrolyte hydrogel to absorb water, and thus to expand its size. [2] Rather than optically magnify samples, ExM works by embedding biological tissue into a water-swellable polyelectrolyte hydrogel, enzymatically homogenizing them, and then isotropically expanding the tissue-hydrogel physically in pure water. [3]小结 膨胀显微镜是一种样品制备技术,其中固定和免疫染色的细胞或组织嵌入可膨胀聚电解质水凝胶的交联网络中,该网络在加入去离子水后各向同性地膨胀。 [1] 该方法利用聚合物化学和可溶胀聚电解质水凝胶吸收水分的能力,从而扩大其尺寸。 [2] ExM 不是光学放大样品,而是通过将生物组织嵌入水可膨胀的聚电解质水凝胶中,酶促均质化它们,然后在纯水中物理地各向同性地扩展组织水凝胶。 [3]
Novel Polyelectrolyte Hydrogel
Starch cross-linking with other biopolymers such as xanthan gum is promising for obtaining novel polyelectrolyte hydrogels with improved functional properties. [1] Quantitative information on the swelling/adsorption behaviors of novel polyelectrolyte hydrogels and semi-IPNs which can be used in many potential applications were given in this study. [2]淀粉与其他生物聚合物(如黄原胶)的交联有望获得具有改进功能特性的新型聚电解质水凝胶。 [1] 本研究给出了可用于许多潜在应用的新型聚电解质水凝胶和半 IPN 的溶胀/吸附行为的定量信息。 [2]
Weak Polyelectrolyte Hydrogel 弱聚电解质水凝胶
By this article, we continue studying weak polyelectrolyte hydrogels and their application as a desalination agent. [1] Our result predict that weak polyelectrolyte hydrogels, such as the often employed poly(acrylic acid), can be efficiently used to lower the salinity of sea- or brackish water, while they will be inefficient in desalinating water of low salinity. [2]通过本文,我们继续研究弱聚电解质水凝胶及其作为脱盐剂的应用。 [1] 我们的结果预测,弱聚电解质水凝胶,例如常用的聚(丙烯酸),可以有效地用于降低海水或微咸水的盐度,而在淡化低盐度水方面效率低下。 [2]