Results 81 to 90 of about 134,654 (299)

(E)-3-Heteroarylidenechroman-4-ones as potent and selective monoamine oxidase-B inhibitors [PDF]

, 2016
A series of (E)-3-heteroarylidenechroman-4-ones (1a-r) was designed, synthesized and investigated in vitro for their ability to inhibit the enzymatic activity of both human monoamine oxidase (hMAO) isoforms, hMAO-A and hMAO-B.
Alcaro, Stefano, BIAVA, Mariangela, DESIDERI, Nicoletta, FIORAVANTI, Rossella, Ortuso, Francesco, PROIETTI MONACO, LUCA, Yáñez, Matilde   +6 more
core   +1 more source

Integrated Visible Light and Oxidant Protection Through Multifunctional Sunscreens

Advanced Healthcare Materials, EarlyView.
High‐energy visible radiation (HEVR), although less energetic than UV light, penetrates deeper into the skin and contributes to photoaging, pigmentation disorders, and oxidative stress. The development of new HEVR‐targeted filters, therefore, represents not only a scientific challenge but also a pressing public health and cosmetic industry need.
Beatriz Peñín, Raúl Losantos, Ignacio Funes‐Ardoiz, Diego Sampedro   +3 more
wiley   +1 more source

Structural Analysis of 3,5-Bistrifluoromethylhydrocinnamic Acid

Crystals
The crystal structure of 3,5-bistrifluoromethylhydrocinnamic acid [systematic name: 3-[3,5-bis(trifluoromethyl)phenyl]propanoic acid], C11H8F6O2, has been determined and described.
Piotr F. J. Lipiński, Krzysztof Łyczko
doaj   +1 more source

Interference enhanced thermoelectricity in quinoid type structures

, 2015
Quantum interference (QI) effects in molecular junctions may be used to obtain large thermoelectric responses. We study the electrical conductance G and the thermoelec- tric response of a series of molecules featuring a quinoid core using density ...
Seldenthuis, J. S., Solomon, G. C., Strange, M., Thijssen, J. M., Verzijl, C. J. O.   +4 more
core   +2 more sources

The experimental gas-phase structures of 1,3,5-trisilylbenzene and hexasilylbenzene and the theoretical structures of all benzenes with three or more silyl substituents [PDF]

, 2005
The structures of 1,3,5-trisilylbenzene and hexasilylbenzene in the gas phase have been determined by electron diffraction, and that of 1,3,5-trisilylbenzene by X-ray crystallography.
Binkley, Blair F. Johnston, Brown, Caminati, Cassado, Christoph Rüdinger, David W. H. Rankin, Domenicano, Durig, Fleming, Gordon, Gordon, Gordon, Hariharan, Heather E. Robertson, Hedberg, Hehre, Hinchley, Hubert Schmidbaur, Huntley, Keidel, Krigbaum, Lewis, Lister, Minge, Mitzel, Norbert W. Mitzel, Nygaard, Pietro, Portalone, Reiter, Rüdinger, Rüdinger, Sakurai, Scott, Steer, Strand, Strand, Woo, Xie, Yip   +40 more
core   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

Advanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora, Seung Ju Choi, Jaeki Jeong, Silvia Orecchio, Inés García‐Benito, Manuel Pérez‐Escribano, Joaquín Calbo, Likai Zheng, Minseop Byun, Seyeong Song, Gi‐Hwan Kim, Shaik M. Zakeeruddin, Seog‐Young Yoon, Yimhyun Jo, Agustín Molina‐Ontoria, Enrique Ortí, Nazario Martín, Michael Grätzel   +17 more
wiley   +1 more source

Thermodynamics of zinc insertion in CuGaS2:Ti, used as a modulator agent in an intermediate-band photovoltaic material [PDF]

, 2011
An intermediate-bandphotovoltaicmaterial, which has an isolated metallic band located between the top of the valence band and bottom of the conduction band of some semiconductors, has been proposed as third generation solar cell to be used in ...
Aguilera, Bacewicz, Blöchl, Guillén, Klepp, Kresse, Kresse, Kresse, Lowe-Ma, Lucena, Luque, Marsen, Ohashi, Ohno, Ooe, Ooe, Palacios, Palacios, Palacios, Palacios, Palacios, Palacios, Palacios, Palacios, Palacios, Shockley, Tell, von Bardeleben, Wang   +28 more
core   +2 more sources

Stepwise On‐Surface Synthesis and Transformations of Two‐Dimensional Covalent Organic Frameworks by Controlled Thermal Stimuli

Advanced Materials, EarlyView.
The seminal transformation of a 2D‐COF (SURFCOF‐IMDEA1) into a 2D porous COF (SURFCOF‐IMDEA2) on Au(111) by a sequential C‐C coupling and ladderization triggered by thermal annealing steps at increasing temperatures is reported. Abstract The development of covalent organic frameworks (COFs) is currently a primary objective in materials science, taking ...
Ana Barragán, Elena Pérez‐Elvira, Diego J. Vicent, Marco Lozano, Diego Soler‐Polo, Koen Lauwaet, José M. Gallego, Rodolfo Miranda, José I. Urgel, Pavel Jelínek, Nazario Martín, David Écija   +11 more
wiley   +1 more source

Quantum Chemical Design Guidelines for Absorption and Emission Color Tuning of fac-Ir(ppy)3 Complexes

Molecules, 2018
The fac-Ir(ppy)3 complex, where ppy denotes 2-phenylpyridine, is one of the well-known luminescent metal complexes having a high quantum yield. However, there have been no specific molecular design guidelines for color tuning.
Yoshiki Natori, Yasutaka Kitagawa, Shogo Aoki, Rena Teramoto, Hayato Tada, Iori Era, Masayoshi Nakano   +6 more
doaj   +1 more source

Can acyclic conformational control be achieved via a sulfur-fluorine gauche effect? [PDF]

, 2015
The gauche conformation of the 1,2-difluoroethane motif is known to involve stabilising hyperconjugative interactions between donor (bonding, σC-H) and acceptor (antibonding, σ*C-F) orbitals.
Daniliuc, C, Gilmour, R, Holland, MC, Houk, KN, Thiehoff, C   +4 more
core   +1 more source