Results 41 to 50 of about 162,617 (240)

Comparison of Yersinia enterocolitica DNA Methylation at Ambient and Host Temperatures

Epigenomes, 2023
Pathogenic bacteria recognize environmental cues to vary gene expression for host adaptation. Moving from ambient to host temperature, Yersinia enterocolitica responds by immediately repressing flagella synthesis and inducing the virulence plasmid (pYV ...
Dustin J. Van Hofwegen, Carolyn J. Hovde, Scott A. Minnich   +2 more
doaj   +1 more source

Controlling Grain Growth in Powder Bed Fusion of Yttria‐Stabilized Zirconia Using Femtosecond Lasers: Challenges and Methodological Insights

Advanced Engineering Materials, EarlyView.
Binder‐free laser powder bed fusion of 8YSZ with a femtosecond laser is used to map process windows linking scan strategy, heat accumulation, and grain growth. Time‐resolved thermography and simulations reveal thermal regimes that enable continuous, vitrified, and fine‐grained 8YSZ surface layers without absorptive additives and demonstrate ...
Markus Kühn, Sarah Kaden, Andrea Barz, Daniel Störzner, Jens Bliedtner, Andrés Fabián Lasagni   +5 more
wiley   +1 more source

The Role of Ultra‐Thin Passive Films and Organic Adsorbates on Aluminum Chips for a Friction‐Induced Solid‐State Recycling Process

Advanced Engineering Materials, EarlyView.
Despite benefits to storage stability and handleability of aluminum scrap, octadecyl phosphonic acid (ODPA) SAMs reduce the tensile strength of wires produced using friction‐induced recycling. Etching and methyl diphosphonic acid (MDPA) coatings, however, have little effect.
Timothy D. Goller, Steffen Gabsa, Werner Homberg, Guido Grundmeier   +3 more
wiley   +1 more source

Impact of the Process Atmosphere During Hot Isostatic Pressing on the Near‐Surface Composition of an Additively Manufactured Austenitic High‐Interstitial Steel

Advanced Engineering Materials, EarlyView.
A high interstital austenitic steel is additively manufactured and postdensified by HIP to eliminate gas porosity. Thereby, the loss of N and Mn in Ar HIP atmosphere is investigated. Further, HIP using N2 atmosphere is investigated which led to excessive nitride formation.
F. Großwendt, J. Hahn, J. Kimm, S. Weber, J. Lentz   +4 more
wiley   +1 more source

Synergic impact of volcanic ash, carbide lime residue, and curing regime on the performance of geopolymer composites

Case Studies in Construction Materials
This research explores the impact of different parameters on the properties of geopolymer (GP) composites incorporating volcanic ash (VA) and carbide lime residue (CLR). The Taguchi design of experiments was employed, considering five factors such as the
Ponalagappan Chokkalingam, Abdulkader El-Mir, Amr El-Dieb, Hilal El-Hassan   +3 more
doaj   +1 more source

Parkinson's disease and long-term exposure to outdoor air pollution: A matched case-control study in the Netherlands

Environment International, 2019
Background: There is some evidence to suggest an association between ambient air pollution and development of Parkinson's disease (PD). However, the small number of studies published to date has reported inconsistent findings.
Rosario Toro, George S. Downward, Marianne van der Mark, Maartje Brouwer, Anke Huss, Susan Peters, Gerard Hoek, Peter Nijssen, Wim M. Mulleners, Antonetta Sas, Teus van Laar, Hans Kromhout, Roel Vermeulen   +12 more
doaj   +1 more source

Influence of Particle Shape and Size in Copper‐Based Low‐Temperature Metallization Paste for Solar Cells

Advanced Engineering Materials, EarlyView.
Particle morphology controls the balance between printability and electrical connectivity in low‐temperature AgCu/Ag metallization pastes. Flake‐shaped AgCu particles form extended low‐resistance contacts, whereas spherical particles favor processability at high metal loading. Fine Ag particles further tune void filling and conductive‐network formation
O. Mhirsi, M. N. Wengenmeyr, J. Bartsch, B. E. Rapp   +3 more
wiley   +1 more source

Achieving visual balance for screen-based tasks in multifunctional bedrooms: roles of task illuminance, correlated color temperature, and color rendering

Frontiers in Built Environment
Student dormitory bedrooms increasingly function as multifunctional spaces for rest and intensive screen-based work, yet typical bedroom lighting is set to standard or minimal levels rather than tailored to the visual demands of digital tasks.
Melianti Darwiny, Noor Fajrina Farah Istiani, Ahmed Felimban, Ahmed Felimban, Miktha Farid Alkadri, Dadi Zhang   +5 more
doaj   +1 more source

Adjusting Nucleation Chemistry for the Atomic Layer Deposition of Antimony Selenide on Metal Oxide Surfaces

Advanced Engineering Materials, EarlyView.
The ALD precursor bis(trimethylsilyl)selenide is simultaneously a substrate surface inhibitor. It allows for the growth of Sb2Se3 in combination with tris(dimethylamido)antimony, but also silylates surface hydroxyl groups on the substrate if such hydroxyls are present.
Pei‐Chun Liao, Klaus Götz, Johannes Will, Mingjan Wu, Martin Dierner, Patrick Duchstein, Dirk Zahn, Tobias Unruh, Erdmann Spiecker, Julien Bachmann   +9 more
wiley   +1 more source

Composites of Shellac and Silver Nanowires as Flexible, Biobased, and Corrosion‐Resistant Transparent Conductive Electrodes

Advanced Functional Materials, EarlyView.
Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein, Tiago Carneiro Gomes, Eliza Ng, Simon Rondeau‐Gagné, Tricia Breen Carmichael   +4 more
wiley   +1 more source