Results 81 to 90 of about 157,695 (360)

Supraparticles Composed of Graphitic Carbon Nitride Nanoparticles and Silica‐Supported Horseradish Peroxidase as Customizable Hybrid Catalysts for Photo‐Biocatalytic Cascade Reactions in Continuous Flow

open access: yesAdvanced Functional Materials, EarlyView.
Herein presented supraparticles combine the nanoparticulate photocatalyst graphitic carbon nitride with the enzyme horseradish peroxidase, which is immobilized on silica nanoparticles. In an optimized compatibility range, both catalysts operate effectively within the hybrid supraparticles and catalyze a cascade reaction consisting of the photocatalytic
Bettina Herbig   +11 more
wiley   +1 more source

Renewable energy in remote communities [PDF]

open access: yes, 2007
This article is the result of a competitively tendered University-funded project, this brings together two major Government Policy areas: sustainable communities and use of carbon fuels, and is aimed at influencing the policy debate on the difficulties ...
Adam D.   +25 more
core   +3 more sources

Emerging 2D Materials and Their Hybrid Nanostructures for Label‐Free Optical Biosensing: Recent Progress and Outlook

open access: yesAdvanced Functional Materials, EarlyView.
This review highlights recent advances in label‐free optical biosensors based on 2D materials and rationally designed mixed‐dimensional nanohybrids, emphasizing their synergistic effects and novel functionalities. It also discusses multifunctional sensing platforms and the integration of machine learning for intelligent data analysis.
Xinyi Li, Yonghao Fu, Yuehe Lin, Dan Du
wiley   +1 more source

Ice-source heat pump for residential heating: A case study on energy storage and pipeline repurposing in the UK

open access: yesCase Studies in Thermal Engineering
Transitioning from natural gas to cleaner heating methods is crucial for reducing carbon emissions. Heat pumps, which extract heat from air, water, or geothermal sources, offer an efficient alternative but significantly increase peak electricity demand ...
Ramin Mehdipour   +4 more
doaj   +1 more source

Performance analysis of air source heat pumps using detailed simulations and comparison to field trial data [PDF]

open access: yes, 2010
The take-up of heat pump technologies in the UK domestic sector has lagged far behind other countries in Europe and North America due primarily to the ready availability of cheap natural gas; this has led to the predominance of gas central heating ...
Cockroft, J., Ghauri, S., Kelly, N.J.
core  

Commissioning of the vacuum system of the KATRIN Main Spectrometer [PDF]

open access: yes, 2016
The KATRIN experiment will probe the neutrino mass by measuring the beta-electron energy spectrum near the endpoint of tritium beta-decay. An integral energy analysis will be performed by an electro-static spectrometer (Main Spectrometer), an ultra-high ...
Arenz, M.   +150 more
core   +3 more sources

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Integration of Air to Water Heat Pumps into Industrial District Heating Substations

open access: yesChemical Engineering Transactions, 2016
The paper aims to evaluate a potential of integration of air to water heat pumps in existing district heating substations, especially for supply of heat in an industrial sector. Facts and data from the literary search support the idea that the air source
V. Máša, M. Havlásek
doaj   +1 more source

Optimization of solar-air source heat pump hybrid heating system

open access: yesJournal of Physics: Conference Series
Abstract In order to construct a versatile, complementary, low-carbon, clean, and efficient heating system, this study explores the potential of a solar-air source heat pump (SAHP) hybrid heating system. A simulation model is established in TRNSYS, and the particle swarm algorithm (PSO) and genetic algorithm (GA) from GENOPT and MATLAB ...
Yuxin Zhang, Xiaoping Tang, Dongmei Ji
openaire   +1 more source

Defects Dynamic in Photo‐Excited CeO2 and their Influence on CO2 Photoreduction

open access: yesAdvanced Functional Materials, EarlyView.
X‐ray photoelectron spectroscopy study under light excitation is presented to track the defect dynamic (Ce4+ to Ce3+) in CeO2. Surface enhanced Raman spectroscopy confirmed the key role of Ce3+ states in controlling charge and energy transfer across the CeO2‐dye molecule interface.
Rambabu Yalavarthi   +3 more
wiley   +1 more source

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