Results 181 to 190 of about 42,536 (250)

Rediscovering Sodium Ionophores as Selective Agents for Lithium Recognition and Extraction

open access: yesAngewandte Chemie, EarlyView.
Long‐classified sodium ionophores unexpectedly prefer lithium and act as efficient extractants in solid–liquid extraction (SLE). Readily prepared from catechol and haloacetamides, these hosts recover hydrated LiCl from multicomponent salt mixtures via a hydration‐assisted O···Li+ binding mode, enabling scalable lithium separation with Li/Na, Li/K, and ...
Jakub Narodowiec   +6 more
wiley   +2 more sources

Tailoring Pt-Based Organometallic Porous Network on Ag(111): A Model System for "Host-Guest" Chemistry. [PDF]

open access: yesACS Nanosci Au
Carreño-Diaz V   +5 more
europepmc   +1 more source

Auf dem Weg zu chromoselektiven Transformationen in biologischen Systemen: Perspektiven und Herausforderungen

open access: yesAngewandte Chemie, EarlyView.
Die Kontrolle biologischer Systeme mit organischen Chromophoren hat sich zu einer vielversprechenden Strategie entwickelt und findet Anwendung von der chemischen Biologie bis hin zur Medizin. Die Komplexität von In‐vivo‐Systemen lässt sich jedoch nicht mit nur einer einzigen Lichtwellenlänge adäquat abbilden.
Nadja A. Simeth
wiley   +1 more source

Catalyst Hide‐and‐Seek Beneath Porous Support Surfaces: Pinpointing Active Site Distribution Through Resonance Energy Transfer

open access: yesAngewandte Chemie, EarlyView.
Like a shark playing hide‐and‐seek in a coral reef, energy transfer (ET) finds hidden “fish” catalysts in the porous support “reef.” ET allows catalytic species to be precisely mapped, revealing whether they reside near the surface, deep in the pores, or are uniformly distributed. This approach ensures controlled catalyst distribution, highlighting how
Buddhima K. P. Maldeni Kankanamalage   +8 more
wiley   +2 more sources

Host-guest chemistry at the surface of gold nanoparticles

open access: yes, 1999
Host-guest chemistry plays an important role in modern supramolecular chemistry. Host-guest interactions have been used to construct novel nanoscale architectures in solution.
Liu, Jian
core  

Slowing Down Water: Enhanced and Cation‐responsive MRI Contrast

open access: yesAngewandte Chemie, EarlyView.
The controlled modification of mesoporous silica nanoparticle side walls with kosmotropic motifs supports an ability to reduce water diffusive mobility and dramatically increase MRI contrast to levels unprecedented for highly kinetically stable Gd‐DOTA configurations (both q = 1 and q = 0).
Connor M. Ellis   +5 more
wiley   +2 more sources

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