Results 41 to 50 of about 743 (141)

Toward Sustainable Perovskite Solar Cells: From Lead‐Free Materials to Environmental Concerns and Mitigation Strategies

open access: yesEcoMat, Volume 7, Issue 3, March 2025.
This review explores lead‐free alternatives such as Sn and Ge, environmentally friendly solvents, and green manufacturing processes for sustainable perovskite solar cells. Key strategies to enhance stability, minimize toxicity, and improve performance are discussed to guide the future of environmentally responsible photovoltaics.
Shanshan Gao   +4 more
wiley   +1 more source

Addressing the Reuse of Deep Eutectic Solvents in Li‐Ion Battery Recycling: Insights into Dissolution Mechanism, Metal Recovery, Regeneration and Decomposition

open access: yesChemSusChem, Volume 17, Issue 20, October 21, 2024.
Extensive reuse of deep eutectic solvent should be ensured when applied in the Li‐ion battery recycling process. In each key step of recycling, including metal dissolution, recovery, and DES regeneration, decomposition and consumption occur, hindering DES reuse and thus undermining the feasibility of the entire recycling process. Abstract Deep eutectic
Michael Svärd   +3 more
wiley   +1 more source

Aerial Uptake Insight Journalism: Lancashire Drone Market

open access: yes, 2021
The drone market has been identified as a potential area of economic growth throughout Europe and beyond. However, drones can be seen negatively, both due to connotations with military use, public concerns around privacy and safety and regulatory limits ...
Kaiser, Carys   +2 more
core  

Local Piston Theory as an Alternative to Mesh Deformation: Slender Wing/Body Configurations [PDF]

open access: yes, 2018
The suitability of local piston theory for modeling static loads on a deforming low-aspect-ratio wing in the presence of aerodynamic interference is investigated.
Laurent Dala   +3 more
core   +1 more source

Periodontal pathogens and cancer development

open access: yesPeriodontology 2000, Volume 96, Issue 1, Page 112-149, October 2024.
Abstract Increasing evidence suggests a significant association between periodontal disease and the occurrence of various cancers. The carcinogenic potential of several periodontal pathogens has been substantiated in vitro and in vivo. This review provides a comprehensive overview of the diverse mechanisms employed by different periodontal pathogens in
Yuxi Zhou, Joerg Meyle, Sabine Groeger
wiley   +1 more source

α‐d‐2′‐Deoxyadenosine, an irradiation product of canonical DNA and a component of anomeric nucleic acids: crystal structure, packing and Hirshfeld surface analysis

open access: yesActa Crystallographica Section C, Volume 80, Issue 2, Page 21-29, February 2024.
α‐d‐2′‐Deoxyadenosine, the anomer of the canonical nucleoside β‐d‐2′‐deoxyadenosine, is a γ‐irradiation product of DNA and a constituent of anomeric DNA. The single‐crystal X‐ray analysis reveals the formation of two conformers with unusual conformational parameters for α‐nucleosides.
Peter Leonard   +4 more
wiley   +1 more source

Cell Cycle Arrest and Apoptosis Induction via Modulation of Mitochondrial Integrity by Bcl-2 Family Members and Caspase Dependence in Dracaena cinnabari -Treated H400 Human Oral Squamous Cell Carcinoma

open access: yes, 2016
Dracaena cinnabari Balf.f. is a red resin endemic to Socotra Island, Yemen. Although there have been several reports on its therapeutic properties, information on its cytotoxicity and anticancer effects is very limited.
Ian C., Paterson   +2 more
core  

Design and implementation of a digital multimode H∞ controller for the Spey turbofan engine

open access: yes, 2010
In this paper, a 2 degrees-of-freedom multimode controller design for the Rolls Royce Spey turbofan engine is presented. The controller is designed via discrete time H∞-optimization; it provides robust stability against coprime factor uncertainty, and a ...
Postlethwaite, Ian, Samar, Raza
core   +1 more source

Project 1: The effect of Nrf2 activators on mesenchymal stem cell viability in response to light curable dimethacrylate resins and Project 2: 3D architectural influences on mesenchymal stem cells co-cultured with H400 epithelial oral cell line using hydrogels.

open access: yes, 2012
Project 1: Introduction: Dental restorative materials are useful in the repair of diseased or damaged teeth. These materials can cause cell damage through oxidative stress and the generation of free radicals which can be limited by Nrf2 activators ...
Nicolae, Laura Cristina
core  

Promoting photoreduction selectivity via synergetic utilization between vacancy and nanofiber structure over flexible Zr/TiO2−x nanofiber films

open access: yes
Photocatalytic conversion of CO2 into value-added hydrocarbon fuels is a promising approach to alleviate the energy crisis caused by the overuse of fossil fuels.
Wang, Li   +7 more
core   +1 more source

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