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  1. 2761

    Chemical Constituents and Antimicrobial and Antioxidant Activities of Essential Oil from Dried Seeds of Xylopia aethiopica by Samba Fama Ndoye, Yoro Tine, Insa Seck, Lalla Aicha Ba, Seydou Ka, Ismaila Ciss, Abda Ba, Seynabou Sokhna, Moussa Ndao, Rokhaya Sylla Gueye, Nango Gaye, Abdoulaye Diop, Jean Costa, Julien Paolini, Matar Seck

    Published 2024-01-01
    “…The antioxidant activity was examined using a DPPH-free radical scavenging assay. The essential oil of X. aethiopica showed low antioxidant activity (IC50 = 784.604 ± 0.320 mg/mL) compared to that of ascorbic acid and the reference compound (IC50 = 0.163 ± 0.003 mg/mL). …”
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  2. 2762

    Spin polarization induced by atomic strain of MBene promotes the ·O2 – production for groundwater disinfection by Zhaoli Liu, Wenzhe Gao, Lizhi Liu, Yixuan Gao, Cui Zhang, Long Chen, Fan Lv, Jiafeng Xi, Ting Du, Linpin Luo, Junchen Zhuo, Wentao Zhang, Yanwei Ji, Yizhong Shen, Wen Liu, Jianlong Wang, Mingchuan Luo, Shaojun Guo

    Published 2025-01-01
    “…An emerging approach for green disinfection lies at photocatalysis, which levers the locally generated superoxide radical (·O2 −) for neutralization. However, the spin-forbidden feature of O2 hinders the photocatalytic generation of active ·O2 −, and thus greatly limited the disinfection efficiency, especially for real groundwater with a low dissolved oxygen (DO) concentration. …”
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  3. 2763

    Phytochemicals and Biological Properties of Azorean <i>Camellia sinensis</i> Black Tea Samples from Different Zones of Tea Plantation by Lisete Sousa Paiva, Ana Paula Dias, Madalena Hintze Motta, José António Bettencourt Baptista

    Published 2025-01-01
    “…The objective of this study was to investigate the biological properties of Azorean <i>C. sinensis</i> black tea from five different zones of tea plantation in order to select specific areas to cultivate tea rich in targeted compounds beneficial to human health. The free radical scavenging activity (FRSA), ferric reducing antioxidant power (FRAP), ferrous ion chelating (FIC) activities, total phenolic content (TPC), total flavonoid content (TFC), and tannins were determined by colorimetric methods, and catechin and theaflavin contents were analyzed by high-pressure liquid chromatography. …”
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  4. 2764

    Chemical Composition and Antioxidant Activity of Aloe vera from the Pica Oasis (Tarapacá, Chile) by UHPLC-Q/Orbitrap/MS/MS by Cristina Quispe, Michael Villalobos, Jorge Bórquez, Mario Simirgiotis

    Published 2018-01-01
    “…Total antioxidant activity of the ethanolic extracts of the peels, flowers, gel, and roots was measured as the capturing of the DPPH• and ABTS•+ radicals, while the iron-reducing antioxidant power (FRAP) was measured by spectroscopic methods. …”
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  5. 2765

    Effects of Luteolin Treatment on Postharvest Quality and Antioxidant Capacity of Nanfeng Tangerines by Wenjuan Dong, Xiaohan Wang, Miaolian Xiang, Jinyin Chen, Jiaoke Zeng, Ming Chen

    Published 2024-12-01
    “…Furthermore, luteolin treatment inhibited malondialdehyde (MDA) and H<sub>2</sub>O<sub>2</sub> accumulation by enhancing the content of total phenols and flavonoids content, augmenting antioxidant enzyme activities (peroxidase (POD), catalase (CAT), and superoxide dismutase (SOD)), and elevating the overall antioxidant capacity measured through the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging rate. Collectively, these results demonstrate that luteolin has potential as a preservative for promoting postharvest quality and antioxidant capacity. …”
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  6. 2766

    Multimodal lung cancer theranostics via manganese phosphate/quercetin particle by Chong Qiu, Fei Xia, Qingchao Tu, Huan Tang, Yinan Liu, Hongda Liu, Chen Wang, HaiLu Yao, Linying Zhong, Yuanfeng Fu, Pengbo Guo, Weiqi Chen, Xinyu Zhou, Li Zou, Licheng Gan, Jiawei Yan, Yichong Hou, Junzhe Zhang, Huanhuan Pang, Yuqing Meng, Qiaoli Shi, Guang Han, Xijun Wang, Jigang Wang

    Published 2025-02-01
    “…Mechanistic studies indicated that QCT and Mn2+ exhibited excellent peroxidase-like (POD-like) activity, catalysing the conversion of endogenous hydrogen peroxide into highly toxic hydroxyl radicals through a Fenton-like reaction, depleting glutathione (GSH), promoting reactive oxygen species (ROS) generation in mitochondria and endoplasmic reticulum, and inducing ferroptosis. …”
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  7. 2767

    IgG4-Related Kidney Disease: Report of a Case Presenting as a Renal Mass by Daniele Bianchi, Luca Topazio, Gabriele Gaziev, Valerio Iacovelli, Pierluigi Bove, Alessandro Mauriello, Enrico Finazzi Agrò

    Published 2017-01-01
    “…The patient underwent radical right nephroureterectomy and histopathologic examination revealed features proving IgG4-RKD. …”
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  8. 2768

    1-Methylcyclopropene Delays Browning and Maintains Aroma in Fresh-Cut Nectarines by Rui Zhang, Ze Miao, Shuang Xie, Jiao Li, Sheng Tao, Yuqian Jiang, Lingling Pang, Lihua Duan, Xihong Li

    Published 2025-01-01
    “…Compared with the control, 1-MCP pre-cutting treatment maintained the ultrastructural integrity of the cell wall in fresh-cut nectarines, which also showed reduced malondialdehyde (MDA) content and reactive oxygen species (ROS) and enhanced the 1,1-Diphenyl-2-Picrylhydrazyl (DPPH) radical scavenging activities. Electronic nose and GC-MS analysis revealed that the aroma profiles presented significant differences in the control and 1-MCP treatment during the storage at 0 °C for 10 days. …”
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  9. 2769

    Evaluation of cytotoxic, antimicrobial, and antioxidant activi-ties of Echium italicum L. in MCF-7 and HepG2 cell lines by Dilek Arslan Atessahin, Semih Dalkilic, Lütfiye Kadioglu Dalkilic, Dudu Bayindir, Elif Cetinkaya

    Published 2025-01-01
    “…It was found that the extract prepared in hexane had the largest inhibition zone diameter (15 mm) against C. albicans in terms of antibacterial activity. The highest DPPH radical scavenging activity was observed in methanol extract with 37.6%. …”
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  10. 2770

    Solar Photocatalytic Degradation of Bisphenol A on Immobilized ZnO or TiO2 by Andreas Zacharakis, Efthalia Chatzisymeon, Vassilios Binas, Zacharias Frontistis, Danae Venieri, Dionissios Mantzavinos

    Published 2013-01-01
    “…Degradation in wastewater is slower than that in pure water up to five times, implying the scavenging behavior of effluent’s constituents against hydroxyl radicals. Finally, the presence of other endocrine disruptors, such as 17α-ethynylestradiol, spiked in the reaction mixture at low concentrations usually found in environmental samples (i.e., 100 μg/L), neither affects BPA degradation nor alters its kinetics to a considerable extent.…”
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  11. 2771

    IL1RN and KRT13 Expression in Bladder Cancer: Association with Pathologic Characteristics and Smoking Status by Thomas S. Worst, Verena Reiner, Ute Gabriel, Christel Weiß, Philipp Erben, Thomas Martini, Christian Bolenz

    Published 2014-01-01
    “…UCB tissue samples (n=109) and control samples (n=14) were obtained from transurethral resection and radical cystectomy specimens. Immunohistochemical staining of KRT13 and IL1RN was performed and semiquantitative expression scores were assessed. …”
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  12. 2772

    Analgesic and Antioxidant Activities of 4-Phenyl-1,5-benzodiazepin-2-one and Its Long Carbon Chains Derivatives by Terence Nguema Ongone, Redouane Achour, Mostafa El Ghoul, Latyfa El Ouasif, Meryem El Jemli, Laila Chemlal, Yahia Cherrah, Katim Alaoui, Amina Zellou

    Published 2019-01-01
    “…In addition, the in vitro antioxidant activities of the tested derivatives were determined by using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging method and ferric reducing power assay. …”
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  13. 2773

    Parathyroid Carcinoma in the Setting of Tertiary Hyperparathyroidism: Case Report and Review of the Literature by Federico Cappellacci, Fabio Medas, Gian Luigi Canu, Maria Letizia Lai, Giovanni Conzo, Enrico Erdas, Pietro Giorgio Calò

    Published 2020-01-01
    “…Conclusion. To date, radical surgery represents the mainstay of treatment, with a five- and ten-year survival rates overall acceptable.…”
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  14. 2774

    Study of the effect of ultrasonic-assisted extraction based on the Box-Behnken design on the phenolic compound content of Hammada scoparia leaves and evaluation of their antioxidan... by Meriam Salemi, Hassiba Metrouh-Amir, Nadir Amir, Hamza Moussa

    Published 2024-01-01
    “…The results of the determination of antioxidant activity revealed that H. scoparia extract inhibited free radicals DPPH˙ and ABTS˙, and reduced ferric and molybdate through different mechanisms. …”
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  15. 2775

    Tailored biomimetic nanoreactor improves glioma chemodynamic treatment via triple glutathione depletion and prompt acidity elevation by Ya Wen, Qiansai Qiu, Feng Feng, Yujuan Zhu, Jianquan Zhang, Zesheng Sun, Tuodi Zhang, Wei Shi, Jinlong Shi

    Published 2025-02-01
    “…Chemodynamic therapy (CDT) is an emerging antitumor strategy utilizing iron-initiated Fenton reaction to destroy tumor cells by converting endogenous H2O2 into highly toxic hydroxyl radical (OH). However, the intratumoral overexpressed glutathione (GSH) and deficient acid greatly reduce CDT efficacy because of OH scavenging and decreased OH production efficiency. …”
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  16. 2776

    Mesh Migration into the Neobladder and Ileum with Complicated Fistula Formation following Incisional Hernia Repair by Masatsugu Kuroiwa, Masato Kitazawa, Yusuke Miyagawa, Futoshi Muranaka, Shigeo Tokumaru, Satoshi Nakamura, Makoto Koyama, Yuta Yamamoto, Nao Hondo, Takehito Ehara, Satoru Miyazaki, Hirokazu Tanaka, Yuji Soejima

    Published 2021-01-01
    “…An 80-year-old male who had undergone radical cystectomy 5 years ago and abdominal wall incisional hernia repair 3 years ago presented with fever and abdominal pain. …”
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  17. 2777

    Biosynthesis and in-vitro characterizations of copper oxide nanoparticle using Mangifera indica seed kernel extract and assessment of pharmacological properties by Pranay Pramanik, Krishnendu Dakua, Trisha Kar, Ranabir Sahu, Tarun Kumar Dua, Gouranga Nandi, Sangita Dey, Anoop Kumar, Ritu Khanra, Paramita Paul

    Published 2025-03-01
    “…FTIR analysis inveterate the occurrence of phytochemicals in both the mango seed kernel extract as well as the nanoparticles, suggesting the kernel's potential as stabilizers, reducers, and capping agents. DPPH free radical scavenging assay indicated the CONPs to have mild antioxidant activity with IC50 of 453.72 μg/mL. …”
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  18. 2778

    Gene mutation, clinical characteristics and pathology in resectable lung adenocarcinoma by Ji’an Zou, Wei Han, Yan Hu, Chao Zeng, Jina Li, Weixuan Lei, Jieming Cao, Quanming Fei, Mengqi Shao, Junqi Yi, Zeyu Cheng, Li Wang, Fang Wu, Wenliang Liu

    Published 2025-01-01
    “…Pathological examination and genetic testing have become a routine procedure for lung adenocarcinoma following radical resection. This study analyzed special pathological components and gene mutations to explore their relationship with clinical characteristics and overall survival. …”
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  19. 2779

    Effects of P1G10 against UVB-induced damage: Reduction of antioxidant stress, inflammation and cell proliferation by Kátia M. Freitas, Emerson S. Veloso, Ênio Ferreira, Marcelo V. Caliari, Carlos E. Salas, Miriam T.P. Lopes

    Published 2025-02-01
    “…Pathways involved in the inflammatory process and in UVB-induced production of free radicals were also affected, revealing that P1G10 application reduced phosphorylation of MAP kinase proteins (JNK and P38) and Akt, as well as MMP-9 activity. …”
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  20. 2780

    Hydrodynamic Fluidic Pump Empowered Sensitive Recognition and Active Transport of Hydrogen Peroxide in 1D Channels by Shuya Liu, Yongxian Guo, Yanjun Gong, Yanze Wei, Qiongzheng Hu, Li Yu

    Published 2025-01-01
    “…Besides, with the aid of incident light, the pump system exhibits active transport characteristics by transporting radicals derived from H2O2 against a concentration gradient, reaching a remarkable 10th cycle. …”
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    Article