Hybrid Organic/Inorganic Nanostructures for Highly Sensitive Photoelectrochemical Detection of Dissolved Oxygen in Aqueous Media

2015 ◽  
Vol 25 (28) ◽  
pp. 4531-4538 ◽  
Author(s):  
Sebastiano Bellani ◽  
Ali Ghadirzadeh ◽  
Laura Meda ◽  
Alberto Savoini ◽  
Alessandra Tacca ◽  
...  
Keyword(s):  
Dissolved Oxygen ◽  
Aqueous Media ◽  
Highly Sensitive ◽  
Inorganic Nanostructures

A Novel Highly Sensitive Dual-channel Chemical Sensor for Sequential Recognition of Cu2+ and CN- in Aqueous Media and its Bioimaging Applications on Living Cells

2021 ◽  
Author(s):  
Yong-Qiang Xie ◽  
You-Ming Zhang ◽  
Zhao-Hui Li ◽  
Qi Xiao-Ni ◽  
Hong Yao ◽  
...  
Keyword(s):  
Chemical Sensor ◽  
Aqueous Media ◽  
Living Cells ◽  
Chemical Probe ◽  
Dual Channel ◽  
Highly Sensitive ◽  
Sequential Recognition

A simple and unique dual-channel chemical probe (DH) was designed and synthesized, which not only realized sequential recognition of Cu2+ and CN− by colorimetric and fluorometric methods, but also realized...

scholarly journals Construction of Two Stable Co(II)-Based Hydrogen-Bonded Organic Frameworks as a Luminescent Probe for Recognition of Fe3+ and Cr2O72− in H2O

Molecules ◽  
2021 ◽  
Vol 26 (19) ◽  
pp. 5955
Author(s):  
Qi-Ying Weng ◽  
Ya-Li Zhao ◽  
Jia-Ming Li ◽  
Miao Ouyang
Keyword(s):  
Detection Limit ◽  
Aqueous Media ◽  
Three Dimensional ◽  
Cobalt Atom ◽  
High Sensitivity ◽  
X Ray Diffraction ◽  
Chlorobenzoic Acid ◽  
X Ray ◽  
Highly Sensitive ◽  
Hydrogen Bonded

A pair of cobalt(II)-based hydrogen-bonded organic frameworks (HOFs), [Co(pca)2(bmimb)]n (1) and [Co2(pca)4(bimb)2] (2), where Hpca = p-chlorobenzoic acid, bmimb = 1,3-bis((2-methylimidazol-1-yl)methyl)benzene, and bimb = 1,4-bis(imidazol-1-ylmethyl)benzene were hydrothermally synthesized and characterized through infrared spectroscopy (IR), elemental and thermal analysis (EA), power X-ray diffraction (PXRD), and single-crystal X-ray diffraction (SCXRD) analyses. X-ray diffraction structural analysis revealed that 1 has a one-dimensional (1D) infinite chain network through the deprotonated pca− monodentate chelation and with a μ2-bmimb bridge Co(II) atom, and 2 is a binuclear Co(II) complex construction with a pair of symmetry-related pca− and bimb ligands. For both 1 and 2, each cobalt atom has four coordinated twisted tetrahedral configurations with a N2O2 donor set. Then, 1 and 2 are further extended into three-dimensional (3D) or two-dimensional (2D) hydrogen-bonded organic frameworks through C–H···Cl interactions. Topologically, HOFs 1 and 2 can be simplified as a 4-connected qtz topology with a Schläfli symbol {64·82} and a 4-connected sql topology with a Schläfli symbol {44·62}, respectively. The fluorescent sensing application of 1 was investigated; 1 exhibits high sensitivity recognition for Fe3+ (Ksv: 10970 M−1 and detection limit: 19 μM) and Cr2O72− (Ksv: 12960 M−1 and detection limit: 20 μM). This work provides a feasible detection platform of HOFs for highly sensitive discrimination of Fe3+ and Cr2O72− in aqueous media.

A highly sensitive probe based on spiropyran for colorimetric and fluorescent detection of thiophenol in aqueous media

2020 ◽  
Vol 175 ◽  
pp. 108154 ◽  
Author(s):  
Linlin Yang ◽  
Yanping Li ◽  
Huaxiong Song ◽  
Haihua Zhang ◽  
Nan Yang ◽  
...  
Keyword(s):  
Aqueous Media ◽  
Fluorescent Detection ◽  
Highly Sensitive

Bifunctional NH2-MIL-88(Fe) metal–organic framework nanooctahedra for highly sensitive detection and efficient removal of arsenate in aqueous media

2017 ◽  
Vol 5 (45) ◽  
pp. 23794-23804 ◽  
Author(s):  
Donghua Xie ◽  
Yue Ma ◽  
Yue Gu ◽  
Hongjian Zhou ◽  
Haimin Zhang ◽  
...  
Keyword(s):  
Metal Organic Framework ◽  
Aqueous Media ◽  
Sensitive Detection ◽  
Efficient Removal ◽  
Specific Recognition ◽  
Highly Sensitive ◽  
Metal Organic ◽  
Highly Sensitive Detection ◽  
Organic Framework

Bifunctional NH2-MIL-88(Fe) nanooctahedra have been successfully fabricated for highly sensitive and specific recognition as well as efficient removal of arsenate.

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