Design of novel and modified dual optode membrane based on carbon dots for both ultratrace copper(ii) and cobalt(ii): derivative spectrophotometric and central composite design study

2018 ◽  
Vol 42 (4) ◽  
pp. 2590-2604 ◽  
Author(s):  
Seyed Alireza Shahamirifard ◽  
Mehrorang Ghaedi
Keyword(s):  
Central Composite Design ◽  
Carbon Dots ◽  
Chemical Sensor ◽  
Optical Chemical Sensor ◽  
Ion Sensing ◽  
Highly Sensitive ◽  
Optode Membrane ◽  
Central Composite ◽  
Determination Of Copper

A selective, accurate and highly sensitive optical chemical sensor (optode) for the simultaneous determination of copper(ii) and cobalt(ii) without any prior separation or purification ion sensing was developed.

scholarly journals Carbon dots as absorbance promoter probes for detection of Cu(ii) ions in aqueous solution: central composite design approach

2018 ◽  
Vol 17 (2) ◽  
pp. 245-255 ◽  
Author(s):  
S. A. R. Shahamirifard ◽  
M. Ghaedi ◽  
M. Montazerozohori ◽  
A. Masoudiasl
Keyword(s):  
Aqueous Solution ◽  
Central Composite Design ◽  
Carbon Dots ◽  
Design Approach ◽  
Complexing Agent ◽  
Vis Spectroscopy ◽  
First Time ◽  
Central Composite ◽  
Determination Of Copper

In this work, the use of carbon dots (CDs) as a complexing agent and sensitizer in a polymeric matrix for determination of copper(ii) by UV-vis spectroscopy is reported for the first time.

A simple, effective and highly sensitive analytical method used for the determination of caffeine in tea and energy drink samples, and method optimization using a central composite design

2017 ◽  
Vol 9 (10) ◽  
pp. 1665-1671 ◽  
Author(s):  
Samira Yousefi ◽  
Marzieh Kamankesh ◽  
Sahar Jazaeri ◽  
Abdolmohammad Attaran ◽  
Abdorreza Mohammadi
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Central Composite Design ◽  
Analytical Method ◽  
High Performance ◽  
Energy Drink ◽  
Highly Sensitive ◽  
Method Optimization ◽  
Central Composite

A rapid, simple and highly sensitive analytical method based on a microextraction method, followed by high-performance liquid chromatography was developed for the determination of caffeine in different tea and energy drink samples.

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.

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