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    67356 research outputs found

    THE STABILITY OF SILVER NANOWIRE COATED POPLAR NONWOVENS UNDER WASHING CONDITIONS

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    https://doi.org/10.37904/nanocon.2024.4987http://dx.doi.org/10.37904/nanocon.2024.4987https://zenodo.org/records/1540280

    Forecasting Inbound Logistics for Express Cargo Transportation: A Case Study of Turkey

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    https://doi.org/10.1007/978-3-031-83611-4_2

    Chlorination of Antivirals in Wastewater: Effects of Microplastics and Ecotoxicity on Aquatic and Terrestrial Species

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    The presence of pharmaceuticals in wastewater raises concerns about the toxicological risks associated with its discharge and reuse. During the COVID-19 pandemic, widespread use of antivirals (ATVs), along with plastic gloves and masks, further contributed to pharmaceuticals in wastewater. Chlorination, commonly used for wastewater disinfection, may alter the toxicity of antivirals in the presence of microplastics (MPs) and complex organics in secondarily treated wastewater. To investigate this, synthetic secondary effluent containing Favipiravir (FAV) and Oseltamivir (OSE) was exposed to various chlorination conditions, both with and without MPs. The changes in the concentrations of FAV and OSE were measured using LC-MS/MS with isotopically labeled standards. Chlorination was more effective in removing Favipiravir (42 ± 4%) than Oseltamivir (26 ± 3%). The ecotoxicological effects were assessed on two species—Aliivibrio fischeri (a bacterium) and Enchytraeus crypticus (a soil invertebrate)—to evaluate potential impacts on aquatic and soil environments, though discharge of or irrigation with treated wastewater, respectively. Results indicated that chlorination of wastewater itself increased toxicity more significantly than the chlorination of antivirals to either species, suggesting that chlorination may not be as beneficial despite its cost-effectiveness. The effects of MPs in chlorinated wastewater on toxicity highlighted the importance of sample matrices in environmental toxicity studies.https://doi.org/10.3390/pr1303086

    Physico-biochemical Properties of Chitosan-poly(N-[3-(dimethylaminopropyl)] methacrylamide) Copolymers Synthesized as siRNA Carrier Biomaterials

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    https://doi.org/10.1021/acsomega.5c06839https://pmc.ncbi.nlm.nih.gov/articles/PMC12444683/https://pubmed.ncbi.nlm.nih.gov/40978374

    The Development and Experimental Analysis of Freestanding Single‐Walled Carbon Nanotube/Sulfur Composite Cathode for the Next Generation of Sulfur‐Based Batteries

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    This work uses a solution‐based and scalable method to provide a freestanding single‐walled carbon nanotube (SWCNT)/S cathode in both LiS and NaS batteries. SWCNTs with high conductivity and surface area can enhance the cathode flexibility. The incorporation of oxygen and sulfur bonds can enhance active redox sites for chemical adsorption. Sulfur and oxygen effectively hinder the shuttle effect by improving chemical interactions between the polysulfides and the nonpolar carbon framework, leading to improved cyclability of NaS and LiS cells. The cycling stability plots of NaS and LiS batteries with freestanding SWCNT/S as a cathode are investigated for 150 cycles at a high current density of 1000 mA g−1. Both cells display a stable capacity behavior during cycling. The discharge capacity of the LiS cell with the SWCNT/S cathode is retained at 978.2 mAh g−1 while the NaS cell only shows the capacity retention of 769.4 mAh g−1 after 150 cycles. Coulombic efficiencies of ≈94% and 90% are observed for LiS and NaS cells respectively. Therefore, the SWCNT/S cathode in both LiS and NaS batteries hinders the polysulfide shuttle, providing high electrolyte diffusion, resulting in improved active material reutilization and minimized capacity fading. Freestanding SWCNT/S cathode can enhance cycling stability over long‐term cycling and is proved to be a promising cathode in both LiS and NaS batteries.https://doi.org/10.1002/ente.20250013

    Laser-induced breakdown spectroscopy for lithium-mediated cancer cell detection and ablation

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    https://doi.org/10.1007/s10103-025-04680-

    Search for dark matter production in association with a single top quark in proton-proton collisions at \sqrt{{\varvec{s}}}=13 TeV

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    Abstract A search for the production of a single top quark in association with invisible particles is performed using proton-proton collision data collected with the CMS detector at the LHC at s=13\sqrt{s}=13 TeV, corresponding to an integrated luminosity of 138 fb −1. In this search, a flavor-changing neutral current produces a single top quark or antiquark and an invisible state nonresonantly. The invisible state consists of a hypothetical spin-1 particle acting as a new mediator and decaying to two spin-1/2 dark matter candidates. The analysis searches for events in which the top quark or antiquark decays hadronically. No significant excess of events compatible with that signature is observed. Exclusion limits at 95% confidence level are placed on the masses of the spin-1 mediator and the dark matter candidates, and are compared to constraints from the dark matter relic density measurements. In a vector (axial-vector) coupling scenario, masses of the spin-1 mediator are excluded up to 1.85 (1.85) TeV with an expectation of 2.0 (2.0) TeV, whereas masses of the dark matter candidates are excluded up to 0.75 (0.55) TeV with an expectation of 0.85 (0.65) TeV.https://doi.org/10.1007/jhep09(2025)141https://dx.doi.org/10.48550/arxiv.2503.20033https://dx.doi.org/10.3929/ethz-c-000787870http://arxiv.org/abs/2503.20033https://hdl.handle.net/11368/3117359https://doi.org/10.1007/JHEP09(2025)141http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-11525

    A plastic root of toxic survival

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    This paper investigates the entanglement of Syrian refugees with toxic agro-plastic waste sourced from agricultural fields along the Çukurova Delta, off the northeastern Mediterranean coast of Türkiye. Drawing on multi-sited ethnographic fieldwork in the Delta over more than two years, from June 2021 to December 2023, the study documents embodied, sensory ways of knowing that arise through the circulation of agro-plastic waste, whether discarded, exchanged, burned, or leaking into farmland, air, and waterways. It argues that while the refugees experience worsening health signs under concentrated agro-plastic pollution through their bodies registering insight, their situated knowledge remains bureaucratically unregistered, and located as unknown, and outside the scope of administrative action. The widening gap between exposure to pollution and non-interference reflects a violence that is both situated and displacing, deepening deprivation and contamination, within which the refugees endure to survive.https://doi.org/10.1177/2514848625137466

    Market Clearing Price Prediction in the Electricity Market in Turkey Using Machine Learning Methods

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    https://doi.org/10.1007/978-3-031-98304-7_3

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    Ulusal Üniversitelerarası Açık Erişim Sistemi - İstanbul Teknik Üniversitesi
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