Metallic and semiconductor nanomaterials for surface-enhanced Raman spectroscopy [0.03%]
用于表面增强拉曼光谱的金属及半导体纳米材料
Ning Zhao,Yongcheng Jin,Guanyu Chen et al.
Ning Zhao et al.
Surface-enhanced Raman spectroscopy (SERS) is a powerful spectroscopic tool with exceptional trace detection sensitivity, offering broad applications in physics, chemistry, materials science, and life sciences. The intensity of SERS is clos...
Encasing the paramagnetic copper(II)-ion by the ring-contracted corrin ligand of vitamin B12 [0.03%]
用收缩的维生素B12钴酰基环状配体封装顺磁性铜(ii)离子
Christoph Kieninger,Klaus Wurst,Daniel Leitner et al.
Christoph Kieninger et al.
The d9-Cu(II)-corrin cupribyrate (Cuby) was synthesized in 93% crystalline yield by rapid chelation of Cu2+-ions by the metal-free corrin-ligand of vitamin B12. Single crystals of the EPR-active Cuby allowed for the first X-ray structure de...
Carbene-organocatalyzed enantioselective [5+5] annulation of dienols and dienals towards tetrahydroisochromen-1-ones [0.03%]
二烯醇和二enal与四氢异香豆素-1-one的[5+5]环化反应中的卡宾有机催化enantioselective研究
Ke Xu,Jiayi Zhao,Kejun Lin et al.
Ke Xu et al.
An N-heterocyclic carbene (NHC)-catalyzed [5+5] annulation between dienals and dienols was developed for the synthesis of multisubstituted tetrahydroisochromen-1-ones, the following oxidative aromatization to axial-chiral isochromen-1-ones ...
Tuning the electronic structure of a rod-like DNA-stabilized silver nanocluster Ag28Cl2 for photophysics in the NIR-II window [0.03%]
调谐类杆状DNA稳定银纳米团簇Ag28Cl2的电子结构以在近红外II窗口研究光物理性质
Sami Malola,Hannu Häkkinen
Sami Malola
DFT calculations predict that photophysics of DNA-stabilized silver cluster can be tuned by controlling the oxidation state. The results show that the position and shape of the first absorption band depend dramatically on the total number o...
Accurate determination of enantiomeric excess of an amino acid using an extended-gate-type organic transistor [0.03%]
一种使用扩展栅型有机晶体管精确测定氨基酸对映体过量的方法
Yijing Zhang,Yui Sasaki,Xiaojun Lyu et al.
Yijing Zhang et al.
An extended-gate-type organic field effect transistor functionalized with molecularly imprinted polymer has shown chiral selectivity to L-histidine and discriminated it from amino acid families. Indeed, the chiral sensor device has simultan...
Visible-light-driven photocatalyst-free deoxygenative homologation of alcohols to access tertiary alcohols [0.03%]
无光催化剂可见光驱动醇的脱氧官能化反应及其串联反应
Xiaochuang Wang,Jun Zhang,Lu Zhao et al.
Xiaochuang Wang et al.
A general and effective deoxygenation process for the homologation of alcohols has been developed, driven by visible light without the need for any external photocatalysts or EDA complex formation. Using xanthate anions as intermediates, th...
Oxidative [3+2] annulation of activated pyridines for the synthesis of indolizinyl sulfonyl fluorides: a class of important pharmacophores [0.03%]
合成一类重要的药效团——吲哚嗪磺酰氟的氧化[3+2]环化反应
Sen Zhang,Eman Fayad,Hanadi A Katouah et al.
Sen Zhang et al.
A novel method for synthesizing valuable indolizine-functionalized sulfonyl fluorides has been developed through oxidative [3+2] annulation of activated pyridines and β-arylethenesulfonyl fluorides. This transformation features high effici...
Self-immolative PEGylated dendritic drug conjugates for cancer therapy with enhanced cellular uptake [0.03%]
用于癌症治疗的自裂解型PEG化树状药物共轭体及其细胞摄取增强效应
Zining Xia,Yixin Zhang,Xinyi Zuo et al.
Zining Xia et al.
A hypoxia-responsive nanomedicine NM-CB/Ce6 with prominent biocompatibility for co-delivering chlorambucil (CB) and chlorin e6 (Ce6) was prepared using a self-immolative PEGylated dendritic drug conjugate block-dendritic-polymer. Upon 650 n...
Group 13 Lewis acid-mediated formation of 5-oxazolone derivatives from tert-butyl isocyanoacetate [0.03%]
叔丁基异氰基乙酸酯制备5-恶唑酮衍生物的方法及用途
Zhou He,Shaoying Ju,Ting Chen et al.
Zhou He et al.
tert-Butyl isocyanoacetate 1 reacted with B(C6F5)3 to give a Lewis acid-base adduct 2. GaCl3 and GaI3 promoted cyclization affording the N-bound Lewis acid adducts of the cyclized product 5-oxazolone derivatives 3 and 4, resulting from isoc...
Wearable and stretchable electronics enabled by MXene-PVA films via layer-by-layer assembly with integrated UV, thermal, and mechanical sensing [0.03%]
基于MXene-PVA薄膜的可穿戴和可拉伸电子产品及其集成紫外、热和机械传感功能
Ji Lin,Chia-Wei Chang,Chun-Ting Chang et al.
Ji Lin et al.
We integrate MXene with polyvinyl alcohol (PVA) through a meticulous layer-by-layer assembly process, not only enhancing the mechanical flexibility and robustness of MXene but also significantly improving its environmental stability. The MX...