Results 11 to 20 of about 2,844 (154)

Heme, Heme Oxygenase-1, Statins, and SARS-CoV-2

Antioxidants, 2023
Heme, a metalloporphyrin, or more specifically, a tetrapyrrole containing ferrous iron, is an ancient molecule [...]
David K. Stevenson, Hendrik J. Vreman, Ronald J. Wong   +2 more
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A greener tetraphenylporphyrin synthesis and metallation: an undergraduate teaching experiment

Green Chemistry Letters and Reviews, 2023
While porphyrin-related syntheses have become classic experiments in the undergraduate curriculum, traditional syntheses of the free-base meso-tetraphenylporphyrin (H2TPP) and its metallated derivatives can be energy-intensive, use hazardous solvents ...
Matthew A. Nitka, Katarina E. Zerbee, Julianne M. Dee, Matthew A. Cranswick, Edward P. Zovinka, John R. De Backere   +5 more
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A Novel Nanocomposite of Zn(II)-Protoporphyrin-Chitosan-Multi Walled Carbon Nanotubes and the Application to Caffeic Acid Sensing

Nanomaterials, 2022
Caffeic acid is an antioxidant that has been widely been related to the health benefits of people in recent years. In this paper, the amino side chains of chitosan (CS) were modified with protoporphyrin IX by amide cross-linking, and then Zn ions were ...
Bingkai Han, Xin Wen, Jinneng Wang, Yingrui Sun   +3 more
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Metalloporphyrin-Based Metal–Organic Frameworks for the Ultrasensitive Chemiresistive Detection of NO₂: Effect of the Central Metal on Tuning the Sensing Performance

, 2023
The highly sensitive and selective detection of trace hazardous gases at room temperature is very promising for health protection and environmental safety.
Qiqi Sun (785068), Yuexing Zhang (11909), Yanli Chen (1410277), Qi Liu (33068), Hao Li (31608), Heyuan Liu (778178), Wenmiao Chen (5657528), Yuming Zhang (571689), Jingshun Shen (17302597)   +8 more
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Constitution and conductivity of metalloporphyrin tapes [PDF]

, 2020
Metalloporphyrin tapes form in a solvent-free oxidative chemical vapor deposition process on glass substrates. The metal center (M = NiII, CuII, ZnII, CoII, PdII, FeIIICl, 2H) in the 5,15-disubstituted porphyrin monomer affects the initial C–C coupling ...
Grysan, Patrick, Bengasi, Giuseppe, Baba, Kamal, Quétu, Louise, Cosas Fernandes, João P., Boscher, Nicolas D., Ost, Alexander, Heinze, Katja   +7 more
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Asymptomatic Diagnosis of Huanglongbing Disease Using Metalloporphyrin Functionalized Single-Walled Carbon Nanotubes Sensor Arrays

Frontiers in Chemistry, 2020
Porphyrins, with or without metal ions (MPs), have been explored and applied in optical and electrochemical sensor fields owing to their special physicochemical properties.
Hui Wang, Hui Wang, Hui Wang, Hui Wang, Pankaj Ramnani, Tung Pham, Claudia Chaves Villarreal, Xuejun Yu, Gang Liu, Ashok Mulchandani   +9 more
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Magnetic Nanoparticles with Dual Surface Functions—Efficient Carriers for Metalloporphyrin-Catalyzed Drug Metabolite Synthesis in Batch and Continuous-Flow Reactors

Nanomaterials, 2020
The dual functionalization of magnetic nanoparticles with inert (methyl) and reactive (aminopropyl) groups enables efficient immobilization of synthetic metalloporphyrins (such as 5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)iron(II) porphyrin and 5 ...
Diána Balogh-Weiser, Balázs Decsi, Réka Krammer, Gergő Dargó, Ferenc Ender, János Mizsei, Róbert Berkecz, Benjámin Gyarmati, András Szilágyi, Róbert Tőtős, Csaba Paizs, László Poppe, György T. Balogh   +12 more
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Reduced Graphene Oxide-Metalloporphyrin Sensors for Human Breath Screening

Applied Sciences, 2021
The objective of this study is to validate reduced graphene oxide (RGO)-based volatile organic compounds (VOC) sensors, assembled by simple and low-cost manufacturing, for the detection of disease-related VOCs in human breath using machine learning (ML ...
Bo Mi Lee, Ameen Eetemadi, Ilias Tagkopoulos   +2 more
doaj   +1 more source

Metalloporphyrins: Radioprotector and Radiosensitizer [PDF]

Journal of Advanced Pharmacy Research, 2021
Cancer has become the leading cause of human death in the world, due to its uncontrolled and rapid proliferation properties. Radio and chemotherapy are used in the treatment of almost all types of cancer.
Yasmin Alzarie, Osama Badary, Shahira Nofal   +2 more
doaj   +1 more source

Treatment with a Catalytic Superoxide Dismutase (SOD) Mimetic Improves Liver Steatosis, Insulin Sensitivity, and Inflammation in Obesity-Induced Type 2 Diabetes

Antioxidants, 2017
Oxidative stress and persistent inflammation are exaggerated through chronic over-nutrition and a sedentary lifestyle, resulting in insulin resistance.
Gina M. Coudriet, Meghan M. Delmastro-Greenwood, Dana M. Previte, Meghan L. Marré, Erin C. O’Connor, Elizabeth A. Novak, Garret Vincent, Kevin P. Mollen, Sojin Lee, H. Henry Dong, Jon D. Piganelli   +10 more
doaj   +1 more source