Results 121 to 130 of about 103,245 (367)

Toward Personalized Stationary Chromatography Phases: Equipping Commercial Silica Phases with Selected Peptide‐Based Binding Domains to Tailor Affinity

Advanced Materials Interfaces, EarlyView.
The 7‐mer peptide motifs QFFLFFQ, QFFEFFQ, and QFQQSFF, known as good, medium, and poor binders for the photosensitizers m‐THPC and Chlorin E6 are covalently immobilized on commercial amino‐functionalized silica particles by inverse electron‐demand Diels‐Alder ligation.
Steffen A. Busche, Lukas D. Bangert, Raoul D. Brand, Tommy Kröger, Enrico Heyl, Hans G. Börner   +5 more
wiley   +1 more source

Density functional theory and DFT+U study of transition metal porphines adsorbed on Au(111) surfaces and effects of applied electric fields

, 2006
We apply Density Functional Theory (DFT) and the DFT+U technique to study the adsorption of transition metal porphine molecules on atomistically flat Au(111) surfaces.
Batista, Victor S., Chandross, Michael E., Leung, Kevin, Medforth, Craig J., Rempe, Susan B., Schultz, Peter A., Sproviero, Eduardo M.   +6 more
core   +1 more source

Single‐Crystal Organic Field‐Effect Transistors Based on 5,15‐Bisaryl‐Tetrabenzoporphyrins: Synthesis, Structure, and Charge Transport Properties

Advanced Materials Interfaces, EarlyView.
This study explores single‐crystal organic field‐effect transistors (SC‐OFETs) based on 5,15‐bisaryl‐tetrabenzoporphyrin derivatives. It highlights the impact of meso‐substituted groups on molecular packing and charge transport. Among the derivatives, C8Ph‐BP achieves the highest hole mobility (1.64 cm2 V−¹ s−¹) due to enhanced π‐stacking with ...
Kazuya Miyazaki, Kento Teranishi, Hiroshi Matsuda, Kyohei Matsuo, Mitsuaki Yamauchi, Yoshiyuki Mizuhata, Nobutaka Shioya, Takeshi Hasegawa, Hiroko Yamada   +8 more
wiley   +1 more source

Characterization of designed cobaltacarborane porphyrins using conductive probe atomic force microscopy

AIMS Materials Science, 2016
Porphyrins and metalloporphyrins have unique chemical and electronic properties and thus provide useful model structures for studies of nanoscale electronic properties.
Venetia D. Lyles, Wilson K. Serem, Erhong Hao, M. Graça H. Vicente, Jayne C. Garno   +4 more
doaj   +1 more source

Supramolecular Porphyrin Nanostructures Based on Coordination-Driven Self-Assembly and Their Visible Light Catalytic Degradation of Methylene Blue Dye

Nanomaterials, 2020
A series of porphyrin triads (1–4), in which each triad is composed of a Sn(IV) porphyrin and two free-base (or Zn(II)) porphyrins, was synthesized and their self-assembled nanostructures were studied.
Nirmal Kumar Shee, Min Kyoung Kim, Hee-Joon Kim   +2 more
doaj   +1 more source

Beyond 3D: Smart Material Systems for Microscale 4D Printing

Advanced Materials Technologies, EarlyView.
Smart materials exhibit shape changes in response to their environment, enabling scientists to go beyond 3D in the rapidly growing field of 4D printing. This review covers recent advances, current challenges, and emerging trends in 4D printing on the microscale.
Daniel Maher, Marcin Piekarczyk, Babak Rezaei, Ada‐Ioana Bunea   +3 more
wiley   +1 more source

A balanced treatment of static and dynamic correlation in free- and Mg-porphyrin [PDF]

arXiv, 2020
We present an ab-initio dynamical configuration interaction (DCI) study of free- and Mg-porphyrin. DCI is a recently developed active space theory based on the L\"owdin downfolding technique. In the active space, static correlation is described exactly with full configuration interaction.
arxiv  

Electrochemistry and Spectroscopy of Sulfate and Thiosulfate Complexes of Iron Porphyrins [PDF]

, 2002
The electrochemical and spectroscopic properties of the complex formed by the addition of thiosulfate to ferric porphyrins were examined. The NMR spectrum of the thiosulfate–ferric porphyrin complex was consistent with a high-spin ferric complex, while ...
Crawford, Philip Walter, Ryan, Michael D.   +1 more
core   +1 more source

Simulation of Heme using DFT+U: a step toward accurate spin-state energetics [PDF]

, 2007
We investigate the DFT+U approach as a viable solution to describe the low-lying states of ligated and unligated iron heme complexes. Besides their central role in organometallic chemistry, these compounds represent a paradigmatic case where LDA, GGA ...
Cococcioni, Matteo, Marzari, Nicola, Scherlis, Damian A., Sit, Patrick   +3 more
core   +2 more sources

Photochemical Preparation of (Aza‐)Indolines: Diastereoselective Synthesis and Polarity Reversal Strategy

Advanced Synthesis &Catalysis, Accepted Article.
Herein, we present the first light‐mediated, diastereoselective de novo synthesis for 2,3‐substituted indolines, a privileged scaffold in pharmaceuticals. The protocol was tested with various aryl and alkyl groups, maintaining high yields up to 85% across different substituents.
Julian Melder, Maxi Heldner, Julia Svetličić, Abdinasir Adow, Frank Rominger, Matthias Rudolph, Guenter Helmchen, A. Stephen K. Hashmi   +7 more
wiley   +1 more source