📄 Category

chemistry

1711 papers

📄 chemistry

The dramatic optimization effect of CeO2 rare earth oxide upon the microstructure and mechanical Properties for the weld metal

This study demonstrates that adding 1 wt% CeO₂ to alkaline electrode weld metal optimizes its microstructure by refining grains and promoting acicular ferrite, resulting in significant improvements in tensile strength, yield strength, and elongation, while a 2.5 wt% addition maximizes impact toughness, though excessive amounts lead to over-oxidation and reduced performance.

Weining Zhang, Cong Lv, Hailiang Fang, Shunda He, Rui Zhang, Mingzhi Li, Jinbin Wang2026-08-04
📄 chemistry

Direct co-reduction of natural minerals into multicomponent alloys

This paper introduces a novel "GEO-ALLOYS" manufacturing approach that utilizes aluminothermic reduction at high temperatures to directly convert natural mineral mixtures into complex, high-strength multicomponent alloys, thereby challenging the traditional metallurgical dogma that requires high-purity precursors and demonstrating that minor mineral impurities can actually enhance alloy performance.

David Jarvis, Lucia Doyle2026-08-04
📄 chemistry

Molecular Length and conjugation Influence on the Binding of Meldrum’s Acid Derivatives to β-Lactoglobulin

This study demonstrates that the extended conjugation and longer molecular structure of cinnamyl-Meldrum's acid derivative 3, compared to its shorter benzylidene analogue 4, result in significantly higher binding affinity to bovine β-lactoglobulin, a distinct dynamic quenching mechanism, and more pronounced structural loosening of the protein.

Mohd. Afzal, Ali Akhtar, Mohammad Z. Ahmed, Rashid Ayub, Mohd Abul Kalam2026-08-04
📄 chemistry

A Lightweight, Low-Label Framework Towards Autonomous Morphology-Resolved SEM–EDS Analysis in Material Microscopy

This paper presents a lightweight, data-efficient deep learning framework that utilizes synthetic canvas-based augmentation to enable autonomous, morphology-resolved particle identification and compositional quantification in SEM–EDS analysis with minimal human labeling, thereby accelerating high-throughput materials characterization for self-driving laboratories.

Siraprapha Deebansok, Bannapol Limanond, Patricia Moraille, Kajiana Boonpalit, Kanakorn Suk-ieam, Visarut Nganpipatmongk (…)2026-08-04
📄 chemistry

Interfacial Si–O–Mn chemistry enables redox–immune cascade amplification across tumor types

This study presents a biosafe, redox-immune cascade nanoamplifier based on porous silicon nanoparticles anchored with an ultrathin MnOx layer via Si–O–Mn bonding, which synergistically depletes glutathione and amplifies reactive oxygen species to induce immunogenic cell death and enhance immune checkpoint blockade therapy across multiple tumor models.

Bing Xia, Zilin Wang, Song Bai, Xiaotian Lin, Xiaomei Zhang, Danil Bukhvalov, Zikang Zhou, Xin Zhang, Hélder A. Santos2026-08-04
📄 chemistry

Green-Synthesised Silver Nanoparticles from Solanum aethiopicum Leaves: Physicochemical Characterisation and In Vitro Antioxidant Activity

This study demonstrates that silver nanoparticles biosynthesized using *Solanum aethiopicum* leaf extract are crystalline, phytochemically capped nanostructures that exhibit potent in vitro antioxidant activity by significantly inhibiting lipid peroxidation and enhancing enzymatic and non-enzymatic antioxidant responses.

Chinwe P. Okonkwo, Matthew C. Obiadi, Anthony A. Anyogu, Julie O. Ndubuisi, Benjamin C. Asogwa, Jude I. Ayogu2026-08-04
📄 chemistry

Photothermal and photoacoustic performances of atomically precise Au103S(p-MBT)42 nanoclusters

This study reports the synthesis and characterization of atomically precise Au103S(p-MBT)42 nanoclusters, which exhibit unique molecular-state photothermal and photoacoustic properties in the near-infrared window, enabling their effective application as water-soluble contrast agents for biological imaging after PEGylation.

Xu Liu, Hao Wang, Ying An, Wei Zhang, Yiqi Tian, Peng Lan, Meng Zhou, Gongde Wu, Weiping Ding, Yan Zhu, Huangxian Ju2026-08-04
📄 chemistry

Identification of Novel Coumarin-Based Chalcones as Estrogen Receptor α Inhibitors through Experimental and Computational Approaches

This study identifies novel coumarin-based chalcones, particularly compound 2c, as potent estrogen receptor alpha inhibitors and anti-breast cancer agents through a combination of experimental synthesis, cytotoxicity and antioxidant assays, and computational binding analysis.

Sadiq Abubakar, Melati Khairuddean, Noor Zafirah Ismail, Salizawati Mohamad Salhimi, Mohammad Al-Amin, Tutik Dwi Wahyuni (…)2026-08-04
📄 chemistry

Electronic Structure, Vibrational Analysis, and Nonlinear Optical Properties of 1-(4-methylsulfonylphenyl)-3-(4 N,Ndimethylaminophenyl) prop-2-en-1-one (MSPPP): A DFT Approach

This study employs Density Functional Theory (DFT) to comprehensively analyze the electronic structure, vibrational properties, and nonlinear optical behavior of the chalcone derivative MSPPP, confirming its strong donor-π-acceptor charge transfer mechanism and validating its 12.3-fold superior second-harmonic generation efficiency compared to urea as a promising candidate for advanced optoelectronic applications.

Mohana Attia2026-08-04