In situ formation of SERS hot spots by a bis-quaternized perylene dye: a simple strategy for highly sensitive detection of heparin over a wide concentration range

The Analyst ◽  
2018 ◽  
Vol 143 (8) ◽  
pp. 1899-1905 ◽  
Author(s):  
Wei Ji ◽  
Xue Zhang ◽  
Jianzhang Zhao ◽  
Ye Gao ◽  
Wei Song ◽  
...  
Keyword(s):  
Hot Spots ◽  
Hot Spot ◽  
Sensitive Detection ◽  
Simple Strategy ◽  
Assembly Method ◽  
Highly Sensitive ◽  
In Situ Formation ◽  
Perylene Dye ◽  
Highly Sensitive Detection

We have demonstrated a simple SERS assay for the sensitive detection of heparin by means of an in situ hot spot assembly method.

Multiple coupling in plasmonic metal/dielectric hollow nanocavity arrays for highly sensitive detection

Nanoscale ◽  
2015 ◽  
Vol 7 (32) ◽  
pp. 13495-13502 ◽  
Author(s):  
Jun Yin ◽  
Yashu Zang ◽  
Chuang Yue ◽  
Xu He ◽  
Hongtao Yang ◽  
...  
Keyword(s):  
Hot Spots ◽  
Coupling Effect ◽  
Sensitive Detection ◽  
Sers Substrate ◽  
Highly Sensitive ◽  
Nanostructure Arrays ◽  
Highly Sensitive Detection

The multiple coupling effect within the plasmonic cavities and consequently generated hot spots ensure that these composite nanostructure arrays are a suitable SERS substrate for bio-sensing.

Cd-Based metal–organic frameworks from solvothermal reactions involving in situ aldimine condensation and the highly sensitive detection of Fe3+ ions

2017 ◽  
Vol 46 (7) ◽  
pp. 2332-2338 ◽  
Author(s):  
Xin Zhang ◽  
Zhong-Jie Wang ◽  
Shu-Guang Chen ◽  
Zhen-Zhen Shi ◽  
Jin-Xi Chen ◽  
...  
Keyword(s):  
Metal Organic Frameworks ◽  
Sensitive Detection ◽  
Highly Sensitive ◽  
Metal Organic ◽  
Highly Sensitive Detection

Four Cd(ii)-based compounds (1, 2, 3 and 4) were synthesized involving in situ aldimine condensation, and compound 2 showed an excellent sensitivity for detecting Fe3+ ions.

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