Results 271 to 280 of about 1,420,385 (322)

Data‐Driven Review on Aerogels and Polymeric Aerogels

Angewandte Chemie International Edition, Accepted Article.
Thoroughly data‐driven review on chemistry–properties–applications of aerogels is provided. Aerogel is a category of solid materials having homogeneous, highly porous nanostructures. Unique physicochemical properties of aerogels have attracted much attention in wide fields due to their potentials for energy/environmental issues in the 21st century ...
Satoru Takeshita, Shinya Mine, Takumi Ono   +2 more
wiley   +1 more source

Influence of Ligand Design and Non‐Covalent Interactions on the Isoselective Ring‐Opening Polymerization of rac‐ß‐Butyrolactone using Salan and Salalen Rare‐Earth Metal Catalysts

Angewandte Chemie International Edition, Accepted Article.
We herein report the influence of the ligand framework on the isoselective ring‐opening polymerization (ROP) of rac‐β‐butyrolactone using highly active in situ generated salan [ONNO]H2 and salalen [ONNO]H rare‐earth metal complexes. The stereochemistry was found to be highly dependent on the ortho‐substituents, enabling the synthesis of either ...
Stefanie Hörl, Ion Chiorescu, Jonas Bruckmoser, Jonas Futter, Bernhard Rieger   +4 more
wiley   +1 more source

Functional Ambidexterity of an Ancient Nucleic Acid‐Binding Domain

Angewandte Chemie International Edition, Accepted Article.
The helix‐hairpin‐helix (HhH) motif is an ancient and ubiquitous nucleic acid‐binding element that has emerged as a model system for studying the evolution of dsDNA‐binding domains from simple peptides that phase separate with RNA. We analyzed the entire putative evolutionary trajectory of the HhH motif – from a flexible peptide to a folded domain ...
Liam Longo, Orit Weil-Ktorza, Segev Naveh-Tassa, Yael Fridmann-Sirkis, Dragana Despotović, Kesava Phaneendra Cherukuri, Tatsuya Corlett, Yaakov Levy, Norman Metanis   +8 more
wiley   +1 more source

An Update: Enzymatic Synthesis for Industrial Applications

Angewandte Chemie International Edition, Accepted Article.
Supported by rapid technological advancements, biocatalytic applications have matured into a sustainable, scalable, and cost‐competitive alternatives to established chemical catalysis. This review presents the most recent examples of enzyme‐based solutions for the manufacturing of molecules with extended carbon‐carbon frameworks and multiple ...
Thomas Bayer, Shuke Wu, Radka Snajdrova, Kai Baldenius, Uwe Bornscheuer   +4 more
wiley   +1 more source

An Overview of Microfluidic‐Assisted Strategies for Synthesis and Applications of Molecularly Imprinted Polymers

Analysis &Sensing, EarlyView.
Sensor design increasingly focusses on miniaturized systems deployed directly at the point of need. For this purpose, microfluidics ensures low‐cost systems that can handle small sample volumes and molecularly imprinted polymers provide rugged, cost‐effective recognition.
Ramya Karunakaran, Chiara Luna Onorati, Khairunnisa Amreen, Sanket Goel, Peter A. Lieberzeit   +4 more
wiley   +1 more source

Valorization of CNSL as a Sustainable Solution for PVC Plasticization: A Comprehensive Study of Cardanol–Cardol Mixture

Journal of the American Oil Chemists' Society, EarlyView.
ABSTRACT For the first time, a mixture of cardanol and cardol esters has been studied as plasticizers for PVC. From our previous work, it has been established that the favorable plasticizing properties of cardol for PVC materials exist. Hence, the utilization of cashew nutshell liquid (CNSL), a naturally occurring mixture of cardanol and cardol, as a ...
Adélaïde Gartili, Vincent Lapinte, Benoit Briou, Sylvain Caillol   +3 more
wiley   +1 more source

Long‐Lasting Hydrophilicity Induced by Ultraviolet Light on Surface Modified Hydrophobic Polylactic Acid

Journal of Applied Polymer Science, EarlyView.
In light of increasing applications of compostable materials, surface treatment on PLA to increase roughness and hydrophobicity has been investigated. However, modifying wettability might hinder degradation. UVC exposure has significant effects on the wettability of textured PLA substrates, allowing a complete wettability switch due to chain scission ...
William Simon, Darius Klassen, Marie Mottoul, Simon Ponton, David Brassard, Jean‐Marie Raquez, Adya Karthikeyan, Marie‐Josée Dumont, Jason Robert Tavares   +8 more
wiley   +1 more source

Chitosan‐Silanized Hexagonal Boron Nitride Nanocomposite Films and Properties

Journal of Applied Polymer Science, EarlyView.
ABSTRACT In this study, chitosan‐silanized hexagonal boron nitride (hBN) nanocomposite films were developed using the solution casting method. Unlike chitosan‐hBN studies, silanization of hBN with Vinyl trimethoxy silane (VTS) formed hydrogen bonds. In the swelling ratio, an improvement of 18.6% was observed with the addition of hBN compared to pure ...
Zuhal Yılmaz, Yapıncak Göncü, Nuran Ay   +2 more
wiley   +1 more source

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A geological perspective of plastic pollution.

Science of The Total Environment, 2023
The Anthropocene, the most recent geologic time division, marks humanity's profound impact on Earth. Amidst debates, the Anthropocene Working Group recommended its inclusion in the International Chronostratigraphic Chart (ICC). This period is characterized by the mid-20th century Great Acceleration Event Array (GAEA), which includes widespread presence
Nelson Rangel-Buitrago, W. J. Neal
semanticscholar   +3 more sources

Plastic Pollution

Plastic pollution accumulating in an area of the environment is considered “poorly reversible”, if natural mineralization processes occurring there are slow and engineered remediation solutions are improbable. Should negative outcomes in these areas arise as a consequence of plastic pollution, they will be practically irreversible.
Nam ST Centre Nam ST Centre, January - March, Prof. Dr. K Pakeerathan, Dr. Mohd Yusoff, Ishak, Prof. Dr. Mohamad Rosni, Bin Othman, Dr. Siti Nur hayati Khairatun, Dr. Evelyn Lim, Ai Lin, Dr. Mohamad Faiz, Mohd Amin, M. Nowbuth, Dr. Preeya Vijayalakshmee, Ramsamy Coolen, Dr. Toshima Makoondlall-Chadee, Dr. Jay Rovisham, Dr Singh Doorga, Olivier Pasnin, Yeshna Dindoyal, Prof. Dr. S Suriyanarayanan   +20 more
semanticscholar   +2 more sources