📄 chemistry

Comparative phytochemical profiling and bioactivities of wild Thymus species from Mount Ida (Kazdağı)

本研究首次对来自伊达山(卡兹达格)的四种野生百里香属(*Thymus*)物种进行了综合植物化学与生物学特征表征,揭示了柠檬百里香(*Thymus citriodorus*)具有最高的抗氧化能力,迷迭香酸和百里酚分别是其主要的酚类和挥发性化合物,且这四种物种均对特定病原体表现出显著的抗菌活性,并对 HT29 结直肠癌细胞展现出浓度依赖性的细胞毒性。

Ümmügülsüm TÜKENMEZ EMRE, Muhammed GÜNGÖREN, Ramazan GÜNDOĞDU, Mustafa Yunus EMRE2026-06-24
📄 chemistry

Designing a pilot plant for treating condensed acid tar produced in oil re-refining factories as a feedstock of bitumen-based materials and catalytic cracking units

本文介绍了用于处理炼油过程中产生的浓缩酸焦油和废弃粘土的试点工厂的设计与优化,该工厂利用水/油乳化和溶剂萃取技术分离组分,通过裂解将其转化为沥青基材料和烃类,并最终提出了一套旨在实现废物综合管理与能源回收的完整工业综合体方案。

Morteza Kazemitabar, Mohammad reza Toosi, Shahla Fathi2026-06-24
📄 chemistry

Influence of Polymer Stabilizers on the Antimicrobial Efficacy of Zinc Oxide Nanoparticles

本研究表明,通过使用壳로聚糖或聚乙烯吡咯烷酮稳定剂合成氧化锌纳米颗粒,可获得对多种病原体具有增强抗菌效能的纳米复合材料,其中基于壳多糖的变体由于涉及活性氧生成和离子释放的协同效应而表现出更优越的性能。

Abothur Ghanim Almohanna, Thualfeqar Almohanna, Che Azurahanim, entidhar khmees2026-06-24✓ Author reviewed
📄 chemistry

Density Functional Theory Investigation of Electronic, Spectroscopic, Reactivity, and Nonlinear Optical Properties of Uracil in Neutral, Cation, and Anion States

本研究采用密度泛函理论,全面研究了中性、阳离子和阴离子状态下尿嘧啶的结构、电子、光谱及非线性光学性质,揭示了电离显著改变了键几何结构、增强了化学反应性,并剧烈提升了非线性光学响应,尤其是在阴离子形式中。

Santosh Dhungana, Sanjay Kumar Sah2026-06-24
📄 chemistry

Synergistic construction of SERS strategy by Fe 3 O 4 @PDA@AgNPs and GNA: accurate pursuit and efficient detection of probiotics

本研究提出了一种利用 Fe3O4@PDA@AgNPs 和 GNA 的协同 SERS 策略,用于在复杂样品中对十种益生菌进行快速、高灵敏度和高准确度的定性和定量检测,实现了低于 10¹ CFU/mL 的检测限以及 97–99% 的准确度。

Shijie Liu, Qian Ding, Huihui Zhi, Lijun Zhao, Miaoyun Li, Yanxia Liu, Haoyun Li, Dong Liang, Yaodi Zhu, Lingxia Sun, Ya (…)2026-06-24
📄 chemistry

From K-snack to copolymer: Conversion of Silkworm pupa oil into poly(3- hydroxybutyrate-co-3-hydroxyhexanoate) by engineered Cupriavidus necator H16

本研究展示了通过工程化改造的库普里阿维杜斯不动杆菌(*Cupriavidus necator*)H16,将蚕蛹油这一丝绸工业副产物可持续地转化为高价值的聚(3-羟基丁酸酯-co-3-羟基己酸酯)生物聚合物,在实现优于传统碳源的细胞生长和聚合物产量的同时,还生产出了可降解薄膜。

Geonwoo Doh, Yuni Shin, Tae Yun Kim, Seung Hun Lee, Yun-Gon Kim, Hee Taek Kim, Woo-Young Jeon, Jungoh Ahn, Kwon-Young Ch (…)2026-06-24