Results 191 to 200 of about 33,244 (269)

The influence of Sn particle incorporation on the photocatalytic activity of sprayed ZnO-SnO₂ nanocomposites. [PDF]

Sci Rep
Mahjoubi S, Mezyen M, El Fidha G, Bitri N, Llobet E.   +4 more
europepmc   +1 more source

Generation of the Camptothecin Scaffold by a Flavin‐Catalyzed Photooxidative Skeletal Reorganization

Angewandte Chemie, EarlyView.
The biosynthetic pathway of the anticancer drug precursor camptothecin involves an enigmatic skeletal reorganization from a 6/5/6 tetrahydro‐β‐carboline to a 6/6/5 pyrroloquinoline ring system. Here, we show that this transformation can be achieved by photooxidation with flavin cofactors, such as flavin mononucleotide (FMN) as catalysts.
Shenyu Liu, Zeliang Zhang, Benedikt Seligmann, Van Hung Bui, Tuan‐Anh Minh Nguyen, Thu‐Thuy T. Dang, Jakob Franke   +6 more
wiley   +1 more source

Photocatalytic Activity of Thin Layers Obtained via Electrodeposition and Annealing of Nanostructured WFeZn and WFeCu Alloys. [PDF]

ACS Omega
Ratajczyk T, Miecznikowski K, Majewski P, Maciag R, Donten M.   +4 more
europepmc   +1 more source

Harnessing the Reactivity of Sulfinate Salts With Cystine: An Umpolung Approach to Residue‐Specific Peptide Modification

Angewandte Chemie, EarlyView.
While cysteine is widely employed as a nucleophilic handle for peptide modification, the electrophilicity of the oxidized form, cystine, is rarely exploited. This study describes a mild, photochemical coupling of sulfinate salts with peptide disulfides.
Joshua M. Hammond, Esteban Suárez‐Picado, Lena von Sydow, Hanna Bruss, Laurent Knerr, Magnus Johansson, Anaïs Noisier, Lara R. Malins   +7 more
wiley   +1 more source

Tuning photocatalytic activity of g-C₃N₄ through Cu deposition <i>via</i> chemical reduction and a DBD plasma method for visible-light-driven Cr(vi) reduction. [PDF]

RSC Adv
Petrović J, Bjelajac A, Mudrinić T, Guillot J, Bulou S, Petrović R.   +5 more
europepmc   +1 more source

Microenvironmental Tuning in Isostructural Conjugated Metal–Organic Frameworks for Superior Photocatalytic H2O2 Generation

Angewandte Chemie, EarlyView.
Two isostructural conjugated‐MOFs (Fe‐Tp and Mn‐Tp) photocatalysts were engineered with nonequivalent microenvironmental redox tuning for hydrogen peroxide production. The manganese analog engages both the oxygen reduction reaction and the water oxidation reaction while suppressing decomposition, delivering 10 487 µmol g−1 h−1 with an apparent quantum ...
Kayaramkodath Chandran Ranjeesh, Avanti Chakraborty, Pilar Pena Sánchez, Jose Ignacio Martinez, Abdul Khayum Mohammed, Nada Elmerhi, Stefano Canossa, Matjaž Finšgar, Felipe Gándara, Pradip Pachfule, Dinesh Shetty   +10 more
wiley   +1 more source

Visible-Light Photocatalytic Activity of a ZnO-Loaded Isoreticular Metal-Organic Framework. [PDF]

Molecules
Rojas-Forero AY, Hernández-Benítez LY, Ospina-Castro ML, Galán-Freyle NJ, Castro-Suarez JR, Méndez-López M, Hernández-Rivera SP, Centeno-Ortiz JA, Romero-Nieto SP, Pacheco-Londoño LC.   +9 more
europepmc   +1 more source

Chlorine‐Free Depolymerization of Commercial PMMA via Oxygen‐Centered Radicals

Angewandte Chemie, EarlyView.
A new chlorine‐free photothermal method enables sustainable recycling of plastics with C–C backbones under mild conditions. Driven by an oxygen‐centered radical pathway with ppm levels of anthraquinone catalyst, it eliminates hazardous chlorinated solvents, achieving an impressive 97% depolymerization conversion.
Chih‐Yin Lin, Stelios Andreou, Nethmi De Alwis Watuthanthrige, Hyun Suk Wang, Maria‐Nefeli Antonopoulou, Athina Anastasaki   +5 more
wiley   +1 more source

Improved photocatalytic activity and enhanced germination rate of <i>Oryza sativa</i> and urea sensor development utilizing fabricated NiO·SrCO₃·ZnO nanomaterials. [PDF]

RSC Adv
Dey S, Saha PC, Subhan MA, Alam MM, Al-Mamun M, Hossain D, Azad AK, Alahmari SD, Albishri A, Alzahrani KA, Rahman MM.   +10 more
europepmc   +1 more source

Photocatalytically active titanium dioxide

Focus on Powder Coatings, 2008
openaire   +1 more source