4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals

The Analyst ◽  
2021 ◽  
Author(s):  
Qianqian Sun ◽  
Shasha Zhang ◽  
Weini Huang ◽  
Ran Wang ◽  
Zihan Chen ◽  
...  
Keyword(s):  
Rapid Screening ◽  
Metal Analysis ◽  
Sensitive Analysis ◽  
Maldi Matrix ◽  
Highly Sensitive ◽  
Sensitive Determination

4-Mercaptobenzoic acid was first introduced as a MALDI matrix for metal analysis. The developed method was successfully applied to the rapid screening and sensitive determination of metals in PM2.5 samples.

Cross Double Point Discharge as Enhanced Excitation Source for Highly Sensitive Determination of Arsenic, Mercury and Lead by Optical Emission Spectrometry

2021 ◽  
Author(s):  
Lin He ◽  
Peixia Li ◽  
Kai Li ◽  
Tao Lin ◽  
Jin Luo ◽  
...  
Keyword(s):  
Double Point ◽  
Hydride Generation ◽  
Optical Emission ◽  
Sample Introduction ◽  
Excitation Source ◽  
Emission Spectrometry ◽  
Highly Sensitive ◽  
Point Discharge ◽  
Sensitive Determination

A new cross double point discharge (CrossPD) microplasma was designed as an excitation source to construct a miniaturized optical emission spectrometer with hydride generation (HG) for sample introduction. The CrossPD...

Aunano/Fe-MOF hybrid electrode for highly sensitive determination of trace As(III)

2021 ◽  
pp. 115642
Author(s):  
Xiaoyuan Zhu ◽  
Guodong Zhu ◽  
Yuanxin Ge ◽  
Boshuang Zhang ◽  
Jianmao Yang ◽  
...  
Keyword(s):  
Highly Sensitive ◽  
Sensitive Determination

Highly sensitive determination of the methylated p16 gene in cancer patients by microchip electrophoresis

2005 ◽  
Vol 816 (1-2) ◽  
pp. 145-151 ◽  
Author(s):  
Xiao-Mian Zhou ◽  
Shu-Juan Shao ◽  
Guan-Dong Xu ◽  
Run-Tao Zhong ◽  
Da-Yu Liu ◽  
...  
Keyword(s):  
Cancer Patients ◽  
Microchip Electrophoresis ◽  
P16 Gene ◽  
Highly Sensitive ◽  
Sensitive Determination

Highly sensitive detection of copper(i) and copper(ii) in cell specimens by CE-UV with large-volume sample stacking

2016 ◽  
Vol 8 (21) ◽  
pp. 4272-4276 ◽  
Author(s):  
Cheng Chen ◽  
Xin Li ◽  
Xia Xie ◽  
Fengxia Chang ◽  
Meixian Li ◽  
...  
Keyword(s):  
Large Volume ◽  
Sensitive Detection ◽  
Sample Stacking ◽  
Highly Sensitive ◽  
Simultaneous Separation ◽  
Sensitive Determination ◽  
Highly Sensitive Detection ◽  
Determination Of Copper ◽  
Large Volume Sample Stacking

A CE-UV method has been developed for the simultaneous separation and sensitive determination of copper(i) and copper(ii) in cell specimens.

An “on–off” fluorescent probe based on cucurbit[7]uril for highly sensitive determination of ammonia nitrogen in aquaculture water

2021 ◽  
Author(s):  
Zhen Li ◽  
Tan Wang ◽  
Xianbao Xu ◽  
Cong Wang ◽  
Daoliang Li
Keyword(s):  
Fluorescence Quenching ◽  
Inclusion Complex ◽  
Fluorescent Probe ◽  
Ammonia Nitrogen ◽  
Highly Sensitive ◽  
Sensitive Determination ◽  
Aquaculture Water

A novel “on–off” fluorescent probe for the determination of ammonia nitrogen has been synthesized. URO can replace PAL into the cavity of CB[7] to form a stable inclusion complex, eventually forming the fluorescence quenching system of URO@CB[7].

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