Cation sensing by luminescent high-nuclearity Zn–Eu Schiff base nanoscale complexes: high sensitivity to Ag+ and Cd2+ ions at the ppm level

2019 ◽  
Vol 48 (6) ◽  
pp. 2206-2212 ◽  
Author(s):  
Dongmei Jiang ◽  
Xiaoping Yang ◽  
Hongfen Chen ◽  
Fei Wang ◽  
Shiqing Wang ◽  
...  
Keyword(s):  
Schiff Base ◽  
Metal Cations ◽  
High Sensitivity ◽  
Schiff Base Ligands ◽  
Cation Sensing ◽  
Ppm Level ◽  
Luminescent Sensing

Two types of Zn–Ln nanoscale complexes were constructed using Schiff base ligands, and the 12-metal Zn–Eu complex shows interesting luminescent sensing of metal cations.

NIR luminescence for the detection of metal ions and nitro explosives based on a grape-like nine-nuclear Nd(iii) nanocluster

2019 ◽  
Vol 6 (2) ◽  
pp. 550-555 ◽  
Author(s):  
Hongfen Chen ◽  
Xiaoping Yang ◽  
Dongmei Jiang ◽  
Desmond Schipper ◽  
Richard A. Jones
Keyword(s):  
Schiff Base ◽  
Metal Ions ◽  
Schiff Base Ligand ◽  
Metal Cations ◽  
High Sensitivity ◽  
Nitro Explosives ◽  
Ppm Level ◽  
Nir Luminescence ◽  
Luminescent Sensing

A Nd(iii) nanocluster with long Schiff base ligand shows interesting NIR luminescent sensing of both metal cations and nitro explosives, and exhibits high sensitivity to Cd2+, Zn2+, Cu2+, Co2+ ions and explosive HMX at the ppm level.

Construction of NIR luminescent polynuclear lanthanide-based nanoclusters with sensing properties towards metal ions

2018 ◽  
Vol 47 (39) ◽  
pp. 13880-13886 ◽  
Author(s):  
Hongfen Chen ◽  
Xiaoping Yang ◽  
Dongmei Jiang ◽  
Dongliang Shi ◽  
Lijie Zhang
Keyword(s):  
Metal Ions ◽  
High Sensitivity ◽  
Sensing Properties ◽  
Ppm Level ◽  
Luminescent Sensing

Two types of 4- and 9-metal lanthanide-based nanoclusters (Ln = Yb(iii) and Er(iii)) were constructed and the 9-metal Yb(iii) cluster shows interesting luminescent sensing of metal ions and exhibits high sensitivity to Cd2+ and Co2+ at ppm level.

Anion dependent self-assembly of drum-like 30- and 32-metal Cd–Ln nanoclusters: visible and NIR luminescent sensing of metal cations

2018 ◽  
Vol 6 (4) ◽  
pp. 865-874 ◽  
Author(s):  
Chengri Wang ◽  
Xiaoping Yang ◽  
Shiqing Wang ◽  
Ting Zhu ◽  
Le Bo ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Self Assembly ◽  
Metal Cations ◽  
Long Chain ◽  
Luminescent Sensing

Two types of Cd–Ln nanoclusters were constructed using a long-chain Schiff base ligand, and the 32-metal Cd–Sm cluster shows interesting luminescent sensing of metal cations.

Sulfonamide-type di-Schiff base ligands as chelate extraction reagents for divalent metal cations

2002 ◽  
Vol 466 (2) ◽  
pp. 295-301 ◽  
Author(s):  
Naoki Hirayama ◽  
Junko Taga ◽  
Syunichi Oshima ◽  
Takaharu Honjo
Keyword(s):  
Schiff Base ◽  
Metal Cations ◽  
Divalent Metal ◽  
Schiff Base Ligands ◽  
Divalent Metal Cations

Conductivity Studies of Schiff Base Ligands Derived from O-Phenylenediamine and Their Co(II) and Zn(II) Complexes

2015 ◽  
Vol 12 (2) ◽  
pp. 13
Author(s):  
Muhamad Faridz Osman ◽  
Karimah Kassim
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Fourier Transform ◽  
Schiff Base ◽  
Nmr Spectroscopy ◽  
Magnetic Resonance ◽  
Impedance Spectroscopy ◽  
Ftir Spectroscopy ◽  
Coordination Complexes ◽  
Frequency Range ◽  
Schiff Base Ligands

The coordination complexes of Co(II) and Zn(II) with Schiff bases derived from o-phenylenediamine and substituted 2-hydroxybenzaldehyde were prepared All compounds were characterized by Fourier transform infrared (FTIR) spectroscopy and Nuclear magnetic resonance (NMR) spectroscopy elemental analyzers. They were analyzed using impedance spectroscopy in the frequency range of 100Hz-1 MHz. LI and L2 showed higher conductivity compared to their metal complexes, which had values of 1.3 7 x 10-7 and 6.13 x 10-8 S/cm respectively. 

Tetranuclear Copper and Mononuclear Nickel Complex of the Schiff Base of (3Z)-3-Hydrazonobutan-2-One Oxime with Different Aromatic Carbonyl Compounds: Synthesis, Single Crystal X-Ray Structure, Catecholase Activity, Phenoxazinone Synthase Activity, Catalytic Study for the Homocoupling of Benzyl Amines

2019 ◽  
Author(s):  
Swaraj Sengupta ◽  
Sahanwaj Khan ◽  
Shyamal K. Chattopadhyay ◽  
Indrani Banerjee ◽  
Tarun K. Panda ◽  
...  
Keyword(s):  
Schiff Base ◽  
Single Crystal ◽  
Copper Complex ◽  
Carbonyl Compounds ◽  
Nickel Complex ◽  
Schiff Base Ligands ◽  
X Ray ◽  
Phenoxazinone Synthase ◽  
Catecholase Activity ◽  
Aromatic Carbonyl Compounds

Synthesis and characterisation of one trinuclear copper complex, ([Cu<sub>3</sub>L<sub>3</sub>O]ClO<sub>4</sub>) (<b>1</b>) and one nickel complex ([Ni(L'H)<sub>2</sub>(dmso)<sub>2</sub>](ClO<sub>4</sub>)<sub>2</sub>) (<b>2</b>) with Schiff base ligands: (3Z)-3-((Z)-(1-(thiophen-2-yl)ethylidene)hydrazono)butan-2-one oxime (LH) and 1-(pyridin-2-yl)ethylidene)hydrazono)butan-2-one oxime (L<sup>'</sup>H). <b>1</b> shows high catecholase activity and has also been tested as a catalyst for the synthesis of benzylimine. <b>2 </b> shows phenoxazinone synthase activity.

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