상세 정보

underline
Metadata Downloads : dc(xml) or Excel
Cited 0 time in scopus ci

Title 

Solvent effect and amine interference on colorimetric changes of azobenzene-conjugated dithiaazadioxo crown ether mercury sensor

Authors 

Chang Hoon JeonJayeon LeeS J AhnTai Hwan Ha

Publisher 

Elsevier

Issue Date 

2013

Citation 

Tetrahedron Letters, vol. 54, no. 50, pp. 6841-6847

Keywords 

AzobenzeneColorimetric mercury sensorDithiaazadioxo crown etherHeavy metal ionsPolyethylene iminePush-pull dipole

Abstract 

The colorimetric behavior of an azobenzene-based dye containing dithiaazadioxo ring for Hg2+-detection was investigated in diverse solvents. The mercury specific ligand shows hypsochromic changes in pure and aqueous MeCN upon Hg2+-binding while strong bathochromic shift was observed in chloroform. In both solvent systems, dithiaazadioxo ring is revealed to be indispensable to the selective detection of mercury ion, and several binding schemes in different solvents were proposed on the selective Hg2+ binding. Grafted on cationic polymer (PEI) through amide coupling, it was observed that the ligand basically maintains the Hg2+ detection capability, but substantially hindered by amine moieties in PEI. Crown

ISSN 

0040-4039

Link 

http://dx.doi.org/10.1016/j.tetlet.2013.10.013

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


There are no files associated with this item.
qrcode

FusionCharts.
DSpace Software Coptright(c) 2010 MIT and Hewleft-Packard  /  KRIBB-REPOSITORY ( Email:jakim@kribb.re.kr)