Results 191 to 200 of about 356,905 (299)

Electronic Structure Modulation via Composition‐Preserving Phase Transformations in Metal–Organic Assemblies on the Surface

open access: yesSmall, EarlyView.
We observed composition‐preserving stepwise transformation of metal–organic self‐assembly at room temperature and systematically investigated the consequent modification in electronic structure using scanning tunneling microscopy and spectroscopy (STM/STS), combined with density functional theory (DFT) calculations.
Hyungjun Park   +5 more
wiley   +1 more source

Activatable smart contrast agents for photoacoustic imaging

open access: yesSmart Molecules, EarlyView.
This review highlights recent advances in smart activatable photoacoustic imaging (PAI) contrast agents, which dynamically modulate their optical properties in response to external stimuli or microenvironmental cues. It discusses their molecular design, activation mechanisms, biomedical applications, and future prospects for clinically tailored use ...
Donghyeon Oh   +5 more
wiley   +1 more source

Metal‐Free Electrophilic Borylative Cyclizations of Alkynes

open access: yesThe Chemical Record, EarlyView.
Metal‐free borylative cyclizations based on electrophilic alkyne activation by boron Lewis acids provide efficient access to borylated hetero‐ and carbocycles. Early studies using B(C6F5)3 displayed limited scope and application, whereas recent ClBcat‐ and BCl3‐based methods enable mild CB and CC/CX bond formation for the synthesis of cycles ...
Jaime Mateos‐Gil   +3 more
wiley   +1 more source

Experimental Evidence for the Solid-State Nitrite-Ligand Photoisomerization Mechanism in Nickel(II) Square-Planar Complexes. [PDF]

open access: yesACS Omega
Deresz KA   +8 more
europepmc   +1 more source

Ecotoxicological Evaluation of Organic Sunscreens Used Worldwide, Alone and in Mixture, on Terrestrial Plants

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT The environmental hazards of sunscreens are discussed worldwide. However, there are few ecotoxicological studies on these compounds alone for edaphic organisms, and none for their mixtures. Avobenzone (1 and 10 ng/L), octocrylene (10 and 100 μg/L), and oxybenzone (2 and 20 μg/L), alone and in binary combinations (between the lowest and the ...
Diego Espirito Santo   +6 more
wiley   +1 more source

Structural and Optical Properties of New 2-Phenylamino-5-nitro-4-methylopyridine and 2-Phenylamino-5-nitro-6-methylpyridine Isomers. [PDF]

open access: yesInt J Mol Sci
Godlewska P   +6 more
europepmc   +1 more source

Sugarcane nutrition under organomineral fertilizer, phosphate‐solubilizing bacteria, and reduced phosphate doses

open access: yesAnnals of Applied Biology, EarlyView.
Sugarcane phosphorus (P) availability is limited in tropical soils, requiring strategies to improve fertilizer efficiency. This study evaluated Bacillus velezensis UFV 3918 (Bv) in combination with an organomineral fertilizer (OF) at reduced monoammonium phosphate (MAP) doses. It showed that Bv + OF + 1/3 MAP achieved soil and plant P levels comparable
Gustavo Ferreira da Silva   +3 more
wiley   +1 more source

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