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transfer

Agenparl English Educazione Scienza e Tecnologia Social Network

SWITCHING METAL COMPLEXES VIA INTRAMOLECULAR ELECTRON TRANSFER: CONNECTIONS WITH SOLVATOCHROMISM

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), gio 21 gennaio 2021 Metal complexes that can exists in two different charge distributions often exhibit dramatic color changes when switched between them. The underlying spectral changes are fundamentally related to the switchable behavior. In valence tautomeric (VT) systems, the transition is a stimulated, reversible......
Agenparl English Educazione Scienza e Tecnologia Social Network

RADIATIVE HEAT TRANSFER AT THE NANOSCALE: EXPERIMENTAL TRENDS AND CHALLENGES

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), lun 18 gennaio 2021 Energy transport theories are being revisited at the nanoscale, as macroscopic laws known since a century are broken at dimensions smaller than those associated with energy carriers. For thermal radiation, where the typical dimension is provided by Wien’s wavelength, Planck’s law......
Agenparl English Educazione Scienza e Tecnologia Social Network

PRODUCTION OF MODIFIED SUNFLOWERS SEED SHELLS FOR THE REMOVAL OF BISPHENOL A

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), lun 18 gennaio 2021 In this present study, an abundant, available lignocellulosic biomass, sunflower seed shells, SSS, was used as a precursor to prepare an effective eco-adsorbent by treatment with H2SO4. A study of the surface characteristics of raw and acid-treated SSS (ACS) has shown......
Agenparl English Educazione Scienza e Tecnologia Social Network

FLUORESCENT SMALL ORGANIC PROBES FOR BIOSENSING

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), lun 18 gennaio 2021 Small-molecule based fluorescent probes are increasingly important for the detection and imaging of biological signaling molecules due to their simplicity, high selectivity and sensitivity, whilst being non-invasive, and suitable for real-time analysis of living systems. With this perspective we highlight sensing......
Agenparl English Educazione Scienza e Tecnologia Social Network

OVERCOMING THERMAL QUENCHING OF UPCONVERSION NANOPARTICLES

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), ven 15 gennaio 2021 Thermal quenching that is characterized by loss of light emission with increasing temperature is widely observed in luminescent materials including upconversion nanoparticles, causing problems in technological applications such as lighting, display, and imaging. Because upconversion processes involve extensive intra-particle energy transfer......
Agenparl English Educazione Scienza e Tecnologia Social Network

DIAZADIBORININE AS AMBIPHILIC CATALYST FOR METAL-FREE HYDROGENATION: STRUCTURAL DESIGN AND REACTION MECHANISM

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), gio 14 gennaio 2021 Ambiphilic main group compounds have been emerging as a novel type of metal-free catalysts to activate small molecules. However, the catalytic reactivity of these compounds on hydrogenation is still challenging. In this study, we designed potential ambiphilic compounds by engineering the......
Agenparl English Educazione Scienza e Tecnologia Social Network

A BRIEF REVIEW ON NOVEL PYRENE BASED FLUOROMETRIC AND COLORIMETRIC CHEMOSENSORS FOR THE DETECTION OF CU2+

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), mar 12 gennaio 2021 The development of colorimetric and fluorometric chemosensors that are able to detect Cu2+ ions by a change of colour and fluorescence intensity have been described. Herein, chemosensors that have pyrene functional groups as the signaling moiety will be discussed in detail......
Agenparl English Educazione Social Network

WELCOMING TRANSFER STUDENTS BY SIMPLIFYING PROCESSES

Redazione
(AGENPARL) – BLOOMINGTON (INDIANA), ven 08 gennaio 2021 When they enroll in college, students embark on a hopeful journey of personal enrichment with a degree as the end goal. And there are different paths they can take to arrive at graduation. Indiana University is focused on making that path —......
Agenparl English Educazione Scienza e Tecnologia Social Network

ENGINEERING THE Z-SYSTEM HYBRIDS OF 0D/2D F-TIO2 QUANTUM DOTS/G-C3N4 HETEROSTRUCTURE THROUGH CHEMICAL BONDS WITH ENHANCED VISIBLE-LIGHT PHOTOCATALYTIC PERFORMANCE

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), ven 08 gennaio 2021 Constructing a direct Z-Scheme system for the photocatalysts is a promising strategy to enhance photocatalytic redox performance owing to its effective charge transfer; however, building a reasonable interfacial charge transfer bridge for charge selective recombination is still a challenge. Herein, F-doped......
Agenparl English Educazione Scienza e Tecnologia Social Network

SCALING ANALYSES FOR HYPERPOLARIZATION TRANSFER ACROSS A SPIN-DIFFUSION BARRIER AND INTO BULK SOLID MEDIA

Redazione
(AGENPARL) – LONDON (UNITED KINGDOM), mer 06 gennaio 2021 By analogy to heat and mass transfer film theory, a general approach is introduced for determining hyperpolarization transfer rates between dilute electron spins and a surrounding nuclear ensemble. These analyses provide new quantitative relationships for understanding, predicting, and optimizing the effectiveness......

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