Results 141 to 150 of about 227,350 (349)

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

open access: yesAdvanced 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   +5 more
wiley   +1 more source

Thiophene-based donor–acceptor co-oligomers by copper-catalyzed 1,3-dipolar cycloaddition

open access: yesBeilstein Journal of Organic Chemistry, 2012
Herein we present a three-component one-pot procedure to synthesize co-oligomers of a donor–acceptor–donor type, in which thiophene moieties work as donor and 1,2,3-triazoles as acceptor units.
Stefanie Potratz   +2 more
doaj   +1 more source

Electroless Plating on Polymer Surfaces: Comprehensive Review of Mechanism, Process, Analysis, and Future Applications

open access: yesAdvanced Materials Interfaces, EarlyView.
This article provides a comprehensive overview of electroless plating, covering its basic mechanisms, bath composition, operating parameters, and metal layer characterization. It also addresses recent advancements, current limitations, and potential improvements, as well as the technology's applications in various industries.
Na Kyoung Kim   +4 more
wiley   +1 more source

Evaporation‐Enhanced Redox Cycling for Rapid Detection of Attomolar SARS‐CoV‐2 Virions Using Nanolithography‐Free Electrochemical Devices

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents microfabricated electrochemical sensors for detecting ultralow viral particles counts through evaporation‐enhanced redox cycling (E2RC). To achieve sub‐micrometer gap in interdigitated microelectrodes, a scalable, nanolithography‐free fabrication method is developed.
Pouya Soltan Khamsi   +2 more
wiley   +1 more source

Tandem Cu-catalyzed ketenimine formation and intramolecular nucleophile capture: Synthesis of 1,2-dihydro-2-iminoquinolines from 1-(o-acetamidophenyl)propargyl alcohols

open access: yesBeilstein Journal of Organic Chemistry, 2014
The copper-catalyzed ketenimine formation reaction of 1-(o-acetamidophenyl)propargyl alcohols with various sulfonyl azides is found to undergo a concomitant intramolecular nucleophile attack to generate 1,2-dihydro-2-iminoquinolines after aromatization ...
Gadi Ranjith Kumar   +3 more
doaj   +1 more source

Effective Molecular Alignment of Semiconducting Polymer and Its Application to Photopatterned Stretchable Transistors

open access: yesAdvanced Materials Technologies, EarlyView.
Excellent mobility is achieved in intrinsically stretchable, fine‐patterned organic thin‐film transistors (OTFTs) through well‐aligned molecular arrangements. Abstract Intrinsically stretchable organic transistors are promising solutions for realizing stretchable electronic systems, such as skin‐like wearables and next‐generation displays. Nevertheless,
Yasutaka Kuzumoto   +11 more
wiley   +1 more source

Nitrene Transfer Catalyzed by a Non-Heme Iron Enzyme and Enhanced by Non-Native Small-Molecule Cofactors [PDF]

open access: yes, 2019
Transition-metal catalysis is a powerful tool for the construction of chemical bonds. Here we show that a non-heme iron enzyme can catalyze olefin aziridination and nitrene C–H insertion, and that these activities can be improved by directed evolution ...
Arnold, Frances H.   +3 more
core  

Continuous Flow Technology Enabling Photochemistry

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Abstract The merger of continuous flow technology and modern photochemistry has enabled countless applications showcasing new opportunities for chemical synthesis demonstrating improvements in selectivity, safety, sustainability and scalability. This focused review aims to highlight a selection of recently published case studies from academic and ...
Ruairi Crawford, Marcus Baumann
wiley   +1 more source

One Pot Synthesis of Cubic Gauche Polymeric Nitrogen [PDF]

open access: yesarXiv
The long sought cubic gauche polymeric nitrogen (cg-N) consisting of N-N single bonds has been synthesized by a simple route using sodium azide as a precursor at ambient conditions. The recrystallization process was designed to expose crystal faces with low activation energy that facilitates initiating the polymeric reaction at ambient conditions.
arxiv  

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