Results 51 to 60 of about 40,768 (262)

Tuning Redox Dynamics in Cu‐Based Electrocatalysts: Effect of Secondary Metals

open access: yesAdvanced Functional Materials, EarlyView.
Advanced analysis of operando X‐ray absorption spectroscopy data reveals that secondary metals affect the redox processes in Cu‐based catalysts for electrocatalytic CO2 reduction. This influences the amount of oxides formed under pulsed reaction conditions and the distribution of reaction products.
Martina Rüscher   +17 more
wiley   +1 more source

Bismuth‐Based Photocatalysts for Water Remediation: Design Strategies, Mechanisms, and Challenges

open access: yesAdvanced Functional Materials, EarlyView.
This review highlights representative design strategies for bismuth‐based semiconductor photocatalysts in solar‐driven water purification. Emphasis is placed on electronic structure regulation, oxygen‐vacancy engineering, and interfacial coupling to enable efficient full‐spectrum light utilization, improved charge separation, and selective oxidation in
Shan Liu   +9 more
wiley   +1 more source

Trends of atmospheric heavy metal deposition in Lithuania

open access: yesLithuanian Journal of Physics, 2011
The results of long-term measurements of heavy metal (Pb, Zn, Cr, Ni, Cu, Mn, Cd, Fe, As, Hg) concentrations carried out at the Aukstaitija and Žemaitija integrated monitoring stations (IMS) are presented in this work. The average annual concentrations of heavy metals in the air in 2007–2008 and in precipitation over the period 2006–2010 are analysed ...
Kęstutis Kvietkus   +2 more
openaire   +2 more sources

Operando Tracking of Oxygen‐Vacancy Dynamics and Negative Capacitance in Ca‐Doped BiFeO3

open access: yesAdvanced Functional Materials, EarlyView.
Operando electrochemical impedance spectroscopy, combined with electrocoloration, enables a direct correlation between real‐space ionic redistribution and the corresponding frequency‐domain electrical response. In lateral Ca‐doped BiFeO3 devices, time‐resolved impedance snapshots capture the evolution from bulk‐dominated mixed conduction to an ...
Jeonghun Suh   +3 more
wiley   +1 more source

Assessment of atmospheric heavy metal deposition using moss Plagiomnium undulatum by active biomonitoring in Almora city, Uttarakhand (India)

open access: yesEnvironment Conservation Journal
Mosses, particularly Plagiomnium undulatum, are effective bioindicators for monitoring environmental contamination, especially from heavy metals of both natural and anthropogenic origins.
Priyank Chaturvedi   +2 more
doaj   +1 more source

Heavy metal biosorption sites in Penicillium cyclopium

open access: yesJournal of Applied Sciences and Environmental Management, 2006
The biomass of Penicillium cyclopium was subjected to chemical treatment to study the role of the functional groups in the biosorption of heavy metal ions. The modifications of the functional groups were examined with infrared spectroscopy.
Kolishka Tsekova   +2 more
doaj   +1 more source

Polymer Substrates for Flexible Sensors: Advances and Contributions to Smart Agriculture

open access: yesAdvanced Functional Materials, EarlyView.
This review comprehensively summarizes recent advances in polymer‐based flexible sensors for smart agriculture, focusing on polymer substrate design, interface engineering, and applications in soil, plant, animal, aquaculture, and post‐harvest monitoring.
Yihui Li   +12 more
wiley   +1 more source

Absorption of heavy metals present in food/water containers with nucleotides in safe sustainable solvents

open access: yesSustainable Chemistry for Climate Action
Heavy metal deposition poses a serious risk to climate change and ecosystem survival. Bio accumulation of heavy metals is chronic to various body organs and tissues. Heavy metal exposure mainly occurs through food and water. Heavy metals used in food and
Nidhi Sharma
doaj   +1 more source

Does heavy metal deposition affect nutrient uptake by moss Pleurozium schreberi?

open access: yesE3S Web of Conferences, 2013
Heavy metals may influence chemical composition of plants, and thus shape elemental stoichiometry of plant communities. That is because some physiological processes aiming at neutralization of contaminant toxicity require increased acquisition of some ...
Kapusta P., Godzik B.
doaj   +1 more source

Accumulation of heavy metals in gametophytes of the epilithic mosses

open access: yesБіологічні студії, 2019
Heavy metals are hazardous pollutants in urban atmosphere that are released into the environment mainly as a result of industrial activity and high traffic loads.
A. I. Polishchuk, H. L. Antonyak
doaj   +1 more source

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