📄 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
📄 chemistry

Azaullazine-driven frontier orbital engineering enables nanosecond-lived singlet MLCT states in Fe(II) NHC complexes

本研究报道了一种打破纪录的 Fe(II) 配合物,其通过氮杂薁驱动的前沿轨道工程诱导了 HOMO 与 LUMO 的反转,从而选择性地抑制系间窜越,进而稳定了具有纳秒级荧光寿命的单线态金属到配体电荷转移态。

Mariachiara Pastore, Nour Shalhoub, Amani Toumi, Florian Molton, Simon Ali Rincon Celis, Federico Coppola, Celestino Ang (…)2026-06-24