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Charge Transfer-Induced Weakening of Vibronic Coupling for Single Terrylene Molecules Adsorbed onto Hexagonal Boron Nitride.
J Phys Chem Lett
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Huygens-Kamerlingh Onnes Laboratory, Niels Bohrweg 2, 2333 CA Leiden, The Netherlands.
Fluorescence spectra of single terrylene molecules adsorbed on hexagonal boron nitride flakes were recorded at cryogenic temperatures. The pure electronic transitions of terrylene molecules are spread over a broad energy scale from 570 to 610 nm. Surprisingly, peaks in the vibrationally resolved fluorescence spectrum show intensity variations of ≤20-fold between molecules.
View Article and Find Full Text PDFToward the Optimization of a Perovskite-Based Room Temperature Ozone Sensor: A Multifaceted Approach in Pursuit of Sensitivity, Stability, and Understanding of Mechanism.
Small
January 2025
Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, Vassilika Vouton, Heraklion, 70013, Greece.
Metal halide perovskites (MHPs) have attracted significant attention owing to their simple manufacturing process and unique optoelectronic properties. Their reversible electrical or optical property changes in response to oxidizing or reducing environments make them prospective materials for gas detection technologies. Despite advancements in perovskite-based sensor research, the mechanisms behind perovskite-gas interactions, vital for sensor performance, are still inconclusive.
View Article and Find Full Text PDFMosquitoes Reared in Nearby Insectaries at the Same Institution Have Significantly Divergent Microbiomes.
Environ Microbiol
January 2025
Department of Vector Biology, Liverpool School of Tropical Medicine, Liverpool, UK.
The microbiome influences critical aspects of mosquito biology and variations in microbial composition can impact the outcomes of laboratory studies. To investigate how biotic and abiotic conditions in an insectary affect the composition of the mosquito microbiome, a single cohort of Aedes aegypti eggs was divided into three batches and transferred to three different climate-controlled insectaries within the Liverpool School of Tropical Medicine. The bacterial microbiome composition was compared as mosquitoes developed, the microbiome of the mosquitoes' food sources was characterised, environmental conditions over time in each insectary were measured, and mosquito development and survival were recorded.
View Article and Find Full Text PDFAtmosphere-controlled high-voltage electrospray for improving conductivity, flexibility, and antibacterial properties of chitosan films.
Food Res Int
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School of Food and Biological Engineering, Jiangsu University, 212013, Zhenjiang, Jiangsu, China. Electronic address:
Atmosphere-controlled high-voltage electrospray (AHES) was utilised to modify the structure of chitosan (CS) films. The applied voltage in the AHES process ranged from 60 to 100 kV, with variations in the O content of the propellant gas from 0 to 100 %. The number density of cations in the charging environment reached 600 × 10 cations/cm.
View Article and Find Full Text PDFDecoding the drivers of variability in chlorophyll-a concentrations in the Pearl River estuary: Intra-annual and inter-annual analyses of environmental influences.
Environ Res
January 2025
School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; Pearl River Estuary Marine Ecosystem Research Station, Ministry of Education, Zhuhai, 519082, China; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, Zhuhai, 519082, China.
Temporal variability and associated driving factors of sea surface chlorophyll-a concentration (Chl-a) in coastal waters have been extensively studied worldwide; however, the importance and spatial heterogeneity of these driving factors remain insufficiently documented. This study addressed this gap by investigating the Pearl River Estuary (PRE) from August 2002 to June 2016, using long-term remote sensing-derived data of Chl-a and potential driving factors, including total suspended solids (TSS), precipitation, photosynthetically active radiation (PAR), and sea surface temperature (SST); and in situ measurements of potential driving factors, including river discharge, wind speed, alongshore wind (u), cross-shore wind (v), and tidal range. A pixel-by-pixel correlation analysis was conducted to preliminarily examine the relationships between these potential driving factors and Chl-a.
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