Results 21 to 30 of about 5,869 (242)

Sterically chained amino acid-rich water-soluble carbon quantum dots as a robust tumor-targeted drug delivery platform

open access: yesNature Communications
Effective antitumor nanomedicines maximize therapeutic efficacy by prolonging drug circulation time and transporting drugs to target sites. Although numerous nanocarriers have been developed for accurate tumor targeting, their limited water solubility ...
Wenjing Xie   +11 more
doaj   +1 more source

Boosting photocatalytic hydrogen evolution on hollow Cu2−xSe@ZnIn2S4 core–shell nanocubes via synergically utilizing p–n heterojunction and near-infrared plasmonic effect

open access: yesNano Research
Nowadays, photocatalytic water splitting for hydrogen production is widely recognized as a promising solution to solve both energy shortages and environmental pollution. Nevertheless, photocatalytic hydrogen evolution is currently hindered by challenges,
Chenchen Meng   +6 more
doaj   +1 more source

Generation and direct observation of a triplet arylnitrenium ion

open access: yesNature Communications, 2022
Nitrenium ions are highly electrophilic reactive intermediates of formula R−N−R+, nitrogen analogue of carbenes. Here the authors report the detection of a triplet nitrenium ion using time-resolved spectroscopic methods and ab initio computations ...
Lili Du   +7 more
doaj   +1 more source

Rational Design of Organic Chromophores for Simultaneously Trig‐gering Redox Imbalance and Tracking Organelles in Biological Sys‐tems Under Near‐Infrared Light Irradiation

open access: yesAdvanced Healthcare Materials, EarlyView.
TOC represents the synthesis of theory‐guided novel near‐infrared (NIR) light‐absorbing organic photosensitizers (OPS) enabling redox‐induced tumor phototherapy and single‐cell organelle tracking. ABSTRACT The design of organic photosensitizers that operate efficiently in the near‐infrared (NIR) region remains challenging due to the need to balance ...
Pragti   +3 more
wiley   +1 more source

Onion-like multicolor thermally activated delayed fluorescent carbon quantum dots for efficient electroluminescent light-emitting diodes

open access: yesNature Communications
Carbon quantum dots are emerging as promising nanomaterials for next-generation displays. The elaborate structural design is crucial for achieving thermally activated delayed fluorescence, particularly for improving external quantum efficiency of ...
Yuxin Shi   +9 more
doaj   +1 more source

Photoinduced formation of persistent free radicals, hydrogen radicals, and hydroxyl radicals from catechol on atmospheric particulate matter

open access: yesiScience, 2021
Summary: Catechol is speculated to be a potential precursor of environmentally persistent free radicals (EPFRs) in the atmosphere. EPFRs absorbed on PM2.5 have attracted public attention because their toxicity is similar to cigarette smoke. In this study,
Linjun Qin   +9 more
doaj   +1 more source

Photochemistry. A modern theoretical perspective

open access: yes, 2018
This book offers an introduction to photochemistry for students with a minimal background in physical chemistry and molecular quantum mechanics. The focus is from a theoretical perspective and highlights excited state dynamics. The authors, experienced lecturers, describe the main concepts in photochemical and photophysical processes that are used as a
Persico, Maurizio, Granucci, Giovanni
openaire   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

open access: yesAdvanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella   +3 more
wiley   +1 more source

Excitation‐Dependent Quadruple‐Level Emission from an Isolated Molecule for Dynamic Information Encryption

open access: yesAdvanced Science
Stimuli‐responsive single‐molecule multi‐emission materials have long attracted considerable attention due to their great potential in non‐phase‐separated smart luminescence.
Yibo Shi   +8 more
doaj   +1 more source

Investigating the temperature-dependent selectivity of CO2 reduction on Ru-cluster catalysts supported by MXene

open access: yesJournal of CO2 Utilization
The catalytic conversion of carbon dioxide (CO2) into valuable products represents a promising strategy for mitigating the greenhouse effect. However, developing catalysts that exhibit both high activity and selectivity remains a considerable challenge ...
Yueying Liu   +6 more
doaj   +1 more source

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