📄 chemistry

Modified expanded polystyrene as partial substitute for lightweight concrete aggregates

本研究优化了发泡聚苯乙烯(EPS)的热处理工艺以制备改性发泡聚苯乙烯(MEPS),并发现虽然用MEPS替代粗骨料会显著降低混凝土抗压强度,但用高达40%的MEPS替代细骨料能有效降低密度,且对强度的影响在统计学上并不显著。

Gerry "Bo" Jr. B, Francis Lois P. Corpuz, Quinn Erikka R. Rocacurba, Mark Bernard L. Valencia2026-08-26
📄 chemistry

Tailoring Microstructure and Corrosion Performance of In-Situ Alloyed Ti-5Cu-1Si Alloy via Laser Powder Bed Fusion: Impact of Volumetric Energy Density

本研究表明,通过优化 Ti-5Cu-1Si 合金在激光粉末床熔融过程中的体积能量密度,可以细化其显微组织,即增加等轴晶密度和 β 相体积分数,同时降低晶格应变,从而通过提高钝化膜稳定性显著增强耐腐蚀性能。

mohammad Talebi, Behzad Niroumand, Ahmad Razaghian, Luca Iuliano, Abdollah Saboori2026-08-25
📄 chemistry

Biogenic synthesis of silver nanoparticles using Ceriops decandra and Its antiviral activity against Herpes Simplex Virus Type-1 (HSV-1)

本研究展示了利用红海桑(*Ceriops decandra*)进行银纳米颗粒的细胞外生物合成,其包覆分子在无需掺杂或共轭的情况下,自然赋予了其针对单纯疱疹病毒I型(HSV-1)的抗病毒活性。

Sundaramoorthy Nagalingam, Amirthaashree Anathapadmanaban, Santosh Sigamani, Dhandapani Ramamurthy, Dinesh Kumar Sekar2026-08-25
📄 chemistry

Molecular capping arrests Ostwald ripening of interfacial zinc hydroxide sulfate for reversible zinc electrochemistry

本研究表明,分子封端剂 N-乙基-2-吡咯烷酮 (NEP) 通过调节成核后老化过程并重构溶剂化环境,抑制了界面硫酸羟基锌的奥斯特瓦尔德熟化,从而构建了一个稳定的有机-无机界面相,实现了高度可逆且持久的锌电化学性能。

Wei Zhang, Jun Wang, Lutong Shan, Wenyu Zhang, Furong Qin, Zimo Huang, Mengran Wang, Simin Li, Bo Hong, Yanqing Lai2026-08-25
📄 chemistry

Host-guest Encapsulation of Photosensitizer to Construct Antibacterial Silicone Rubber: Enhanced Homogeneity and Dual-action

本研究开发了一种利用两亲性超支化季铵盐的主客体封装策略,将玫瑰红均匀分散在有机硅橡胶中,从而构建出一种机械性能强韧的材料,通过季铵盐活性与光诱导单线态氧生成的结合,实现了增强的双重抗菌功效。

Jin Han, Yaocheng Zhu, Ziqiang Zhang, Taolei Qiu, Lei Wang, Zhengping Zhao, Xiaoxue Yin, Dawei Zhang, Kun Shen, Dong Xu (…)2026-08-25
📄 chemistry

Green and Facile Synthesis of Silver–Dextran Nanocomposite Using Quince (Cydonia oblonga) Peel Extract: A Value-Added Agro-Waste Approach for Antibacterial Application

本研究展示了一种利用�� کې子皮提取物作为还原剂,可持续、绿色地合成稳定的银-葡聚糖纳米复合材料的方法,所得纳米颗粒呈球形,且对金黄色葡萄球菌和埃希氏大肠杆菌具有显著的浓度依赖性抗菌活性。

nahid shahabadi, Ahmad Karimi, saba zendehcheshm, fatemeh khademi2026-08-25