Results 91 to 100 of about 210,013 (270)
Electron, EarlyView.Physics‐driven advances in optical nanobiosensors for rapid, miniaturized, and point‐of‐care diagnostics for next‐generation decentralized and personalized healthcare based on sensor intelligence. ABSTRACT Public health emergencies and the escalating burden of chronic diseases necessitate a paradigm shift from centralized laboratory testing to rapid ...
Vishal Chaudhary +5 more
wiley +1 more source
Tying a knot between crown ethers and porphyrins. [PDF]
Beilstein J Org Chem, 2023 Matviyishyn M, Szyszko B.
europepmc +1 more source
The synthesis of novel crown ethers Part.I,Coumarin Derivatives of Crown Ethers,(#)
, 1992 , The synthesis and structural characterisation of coumarin derivatives of some macrocyclic ethers was reported. They were obtained from 1,2,3-trihydroxy and 1,2,4-trihydroxyphenols by reacting with ketoesters.
core +1 more source
Lead‐free halide perovskites for efficient light‐emitting devices
FlexMat, EarlyView.Overview of Lead‐free metal halide perovskites with different categories and optoelectronic application directions, including solid‐state lighting, light‐emitting diodes, piezoluminescence, flexible electronics, scintillators and CPL emitters. Abstract Lead halide perovskites exhibit promising optoelectronic properties for optoelectronic applications ...
Yueqi Shen +9 more
wiley +1 more source
Reusable Glucose-Based Crown Ethers Anchored to PVC. [PDF]
Molecules, 2023 Varga B +5 more
europepmc +1 more source
, 1995 The purpose of this research was to synthesize a novel crown ether compound that has been designed to fluoresce with greatly enhanced intensities when in the presence of selected alkali metal cations. The novel crown ether compound (cryptand) 12,25-(1,5 -
Shi, Danxin
core
, 2016 Calorimetric titrations have been performed in anhydrous acetonitrile at 25 °C to give the complex stability constants (Ks) and the thermodynamic parameters for the stoichiometric 1:1 complexation of light lanthanoid(III) nitrates (La−Gd) with N ...
Yu-Mei Li (795656) +5 more
core +1 more source
Body‐integrated photonic biosensors: Illuminating the path to active healthcare
FlexMat, EarlyView.Body‐integrated photonic biosensors are promising tools for active healthcare. These optical devices can be worn, implanted, or swallowed to monitor health signals continuously. This review introduces key sensing modalities, including fluorescence, colorimetry, SPR, LSPR, SERS, and light‐modulating materials.
Jiayue Gu +10 more
wiley +1 more source
Complexation of Hydronium Ion with Several Crown Ethers in Nitromethane Solution [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 1992 The interaction between hydronium ion and several crown ethers was studied via conductometry in nitromethane at 25 °C and 1H-NMR techniques. The stabilities of the resulting 1:1 complexes were determined from the conductance data and found to vary in the
Mihammad Kazem Amini
doaj
SYNTHESIS AND APPLICATION OF CROWN ETHERS [PDF]
, 1988 Mono- and bis-benzo-15-crown-5-ether derivatives have been synthesized and determined their potentiometric K+ selectivity factors. Of bis-crown ether urethanes highly selective Iigands were found some of which was used as active ingredient in potassium ...
Fenichel, L. +5 more
core +1 more source