Results 21 to 30 of about 47,133 (204)
Journal of XenobioticsHeme enzyme dysfunction causes a group of diseases called porphyrias. Particularly, a decrease in porphobilinogen deaminase, involved in the third step of heme biosynthesis, leads to acute intermittent porphyria (AIP).
Johanna Romina Zuccoli +3 more
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Synthesis and Photostability of Cyclooctatetraene-Substituted Free Base Porphyrins
Chemistry, 2021 A series of free base meso-tetraarylporphyrins functionalized with substituents containing one, two, and four cyclooctatetraene (COT) moieties have been obtained and characterized by spectral and photophysical studies. Three COT-free porphyrins served as
Joanna Buczyńska +6 more
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Journal of Pharmaceutical Analysis, 2021 Coronavirus disease 2019 is a serious disease that causes acute respiratory syndrome and negatively affects the central nervous system. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) crosses the blood-brain barrier due to the spike (S ...
Yury A. Gubarev +5 more
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A Modified Vilsmeier–Haack Strategy to Construct β-Pyridine-Fused 5,10,15,20-Tetraarylporphyrins
SynOpen, 2020 A modified Vilsmeier–Haack strategy has been developed to construct a novel series of π-extended nickel(II) or copper(II) complexes of 2-chloro-3-formyl- and 3-formylpyrido[2,3-b]porphyrins from 2-acetamido-meso-tetraarylporphyrins. After chromatographic
Pargat Singh, Mahendra Nath
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Photomodulation Approaches to Overcome Antimicrobial Resistance
Pharmaceuticals, 2023 Photopharmacology is an approach that aims to be an alternative to classical chemotherapy. Herein, the different classes of photoswitches and photocleavage compounds and their biological applications are described. Proteolysis targeting chimeras (PROTACs)
Sofia N. Sarabando +4 more
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Electronic Structure of an Iron-Porphyrin Derivative on Au(111) [PDF]
J. Phys.: Condens. Matter 31, 044002 (2019), 2018 Surface-bound porphyrins are promising candidates for molecular switches, electronics and spintronics. Here, we studied the structural and the electronic properties of Fe-tetra-pyridil-porphyrin adsorbed on Au(111) in the monolayer regime. We combined scanning tunneling microscopy/spectroscopy, ultraviolet photoemission, and two-photon photoemission to
arxiv +1 more source
Nature Communications, 2023 As isomers of the regular porphyrins, N-confused porphyrins have attracted extensive attention of chemists because of their unique chemical structures, chemical reactivities, and physical properties, which result in their promising applications in the ...
Fuying Luo +7 more
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Spectroscopic Investigations of Porphyrin-TiO2 Nanoparticles Complexes
Molecules, 2022 This study presents the spectral characterization of TiO2 nanoparticles (NPs) functionalized with three porphyrin derivatives: 5,10,15,20-(Tetra-4-aminophenyl) porphyrin (TAPP), 5,10,15,20-(Tetra-4-methoxyphenyl) porphyrin (TMPP), and 5,10,15,20-(Tetra-4-
Andra Dinache +6 more
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Signature of gate-tunable magnetism in graphene grafted with Pt-porphyrins [PDF]
Phys. Rev. B 93, 045403 (2016), 2013 Inducing magnetism in graphene holds great promises, such as controlling the exchange interaction with a gate electrode and generating exotic magnetic phases. Coating graphene with magnetic molecules or atoms has so far mostly lead to decreased graphene mobility.
arxiv +1 more source
Porphyrins as Catalysts in Scalable Organic Reactions
Molecules, 2016 Catalysis is a topic of continuous interest since it was discovered in chemistry centuries ago. Aiming at the advance of reactions for efficient processes, a number of approaches have been developed over the last 180 years, and more recently, porphyrins ...
Juan C. Barona-Castaño +3 more
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