Results 111 to 120 of about 12,447 (227)

Electrospinning of Polystyrene/Polyhydroxybutyrate Nanofibers Doped with Porphyrin and Graphene for Chemiresistor Gas Sensors

Nanomaterials, 2019
Structural and functional properties of polymer composites based on carbon nanomaterials are so attractive that they have become a big challenge in chemical sensors investigation.
Joshua Avossa, Roberto Paolesse, Corrado Di Natale, Emiliano Zampetti, Giovanni Bertoni, Fabrizio De Cesare, Giuseppe Scarascia-Mugnozza, Antonella Macagnano   +7 more
doaj   +1 more source

Optical detection of di- and triphosphate anions with mixed monolayer-protected gold nanoparticles containing zinc(II)–dipicolylamine complexes

Beilstein Journal of Organic Chemistry, 2020
Gold nanoparticles covered with a mixture of ligands of which one type contains solubilizing triethylene glycol residues and the other peripheral zinc(II)–dipicolylamine (DPA) complexes allowed the optical detection of hydrogenphosphate, diphosphate, and
Lena Reinke, Julia Bartl, Marcus Koch, Stefan Kubik   +3 more
doaj   +1 more source

Present and future of surface-enhanced Raman scattering [PDF]

, 2019
The discovery of the enhancement of Raman scattering by molecules adsorbed on nanostructured metal surfaces is a landmark in the history of spectroscopic and analytical techniques.
Aberasturi, Dorleta Jimenez de, Aizpurua, Javier, Alvarez-Puebla, Ramon A., Auguié, Baptiste, Baumberg, Jeremy J., Bazan, Guillermo C., Bell, Steven E. J., Boisen, Anja [u.v.m.], Langer, Judith, Reich, Stephanie   +9 more
core   +1 more source

Fluorescent Sensing of Chlorophenols in Water Using an Azo Dye Modified β-Cyclodextrin Polymer

Sensors, 2011
A water soluble azo dye modified β-cyclodextrin polymer 4 was synthesized and used as a chemosensor for the detection of chlorinated phenols, model chlorinated by-products (CBPs) of water treatment for drinking purposes.
Bhekie B. Mamba, Phendukani Ncube, Rui W. Krause   +2 more
doaj   +1 more source

Peptide platforms for metal ion sensing [PDF]

, 1999
Naturally occurring motifs have been redesigned to product fluorescent peptidyl-chemosensors that sensitively and selectively recognize Cu(II) or Fe(III).
Imperiali, Barbara, Pearce, Dierdre A., Sohna Sohna, Jean-Ernest, Torrado, Alicia, Walkup, Grant   +4 more
core  

A Lanthanide-Based Chemosensor for Bioavailable Fe3+ Using a Fluorescent Siderophore: An Assay Displacement Approach

Sensors, 2010
The measurement of trace analytes in aqueous systems has become increasingly important for understanding ocean primary productivity. In oceanography, iron (Fe) is a key element in regulating ocean productivity, microplankton assemblages and has been ...
Karl J. Wallace, David Schrock, Andrea McDonald, W. Scott Jones, Karen M. Orcutt   +4 more
doaj   +1 more source

The Synthesis and Anion Recognition Property of Symmetrical Chemosensors Involving Thiourea Groups: Theory and Experiments

Sensors, 2015
The synthesis of four symmetrical compounds containing urea/thiourea and anthracene/nitrobenzene groups was optimized. N,N’-Di((anthracen-9-yl)-methylene) thio-carbonohydrazide showed sensitive and selective binding ability for acetate ion among the ...
Xuefang Shang, Zhenhua Yang, Jiajia Fu, Peipei Zhao, Xiufang Xu   +4 more
doaj   +1 more source

Tryptophan-based fluorescent sensor for selective Cu2+ detection in aqueous media and its docking study for anticancer effects

Results in Chemistry
In this study, an efficient copper (II) chemosensor was introduced. This chemosensor had a different response in fluorescent spectra, and the interaction between Cu2+ and tryptophan hydrazide (TH) was substantiated as a static quencher.
Ghodsi Mohammadi Ziarani, Shikofa Khorrami, Fatemeh Mohajer, Sunil V. Gaikwad, Najibullah Hassani, Alireza Badiei, Siavash Iravani, Rajender S. Varma   +7 more
doaj   +1 more source

Computational Evaluation of Methyl (N,N-Dimethylamino)phenyl Ether and Crown Ether for Metal Selective Sensor Development [PDF]

Pakistan Journal of Analytical & Environmental Chemistry, 2007
The present computational study describes some representative contributions in metal selective sensor development. During the course of study, charge densities have been calculated for a series of methyl (N,N-dimethylamino)phenyl ether and crown ether ...
M. I. Bhanger, Shahabuddin Memon, D. Max Roundhill, Margarita Dunina-Barkovskaya, Mustafa YILMAZ   +4 more
doaj  

Lab-on-a-molecule and multi-analyte sensing

Frontiers in Chemistry
The concept of a lab-on-a-molecule, which was proposed just short of two decades ago, has captured the imagination of scientists. From originally being proposed as an AND logic gate driven by three chemical inputs as a direct way of detecting ...
David C. Magri
doaj   +1 more source