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.

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.

Development and validation of RP-UPLC method for the determination of betamethasone dipropionate impurities in topical formulations using multivariate central composite design approach.

2021 ◽  
Author(s):  
Siva Krishna Muchakayala ◽  
Kommera Pavithra ◽  
Naresh Kumar Katari ◽  
Vishnu Murthy Marisetti ◽  
THIRUPATHI DONGALA ◽  
...  
Keyword(s):  
Central Composite Design ◽  
Method Development ◽  
Betamethasone Dipropionate ◽  
Design Approach ◽  
Topical Formulations ◽  
Development And Validation ◽  
Central Composite ◽  
Determination Of Impurities

Current study portrays a specific, accurate, simple and rapid UPLC method development for the determination of impurities present in two different topical formulations (Cream and Ointment) of betamethasone dipropionate. The...

Carbon dots derived from Fusobacterium nucleatum for intracellular determination of Fe3+ and bioimaging both in vitro and in vivo

2021 ◽  
Author(s):  
Lijuan Liu ◽  
Shengting Zhang ◽  
Xiaodan Zheng ◽  
Hongmei Li ◽  
Qi Chen ◽  
...  
Keyword(s):  
Carbon Dots ◽  
Fusobacterium Nucleatum ◽  
Living Cells ◽  
First Time ◽  
Fluorescent Carbon Dots ◽  
Fluorescent Carbon

Fusobacterium nucleatum has been employed for the first time to synthesize fluorescent carbon dots which could be applied for the determination of Fe3+ ions in living cells and bioimaging in vitro and in vivo with excellent biocompatibility.

Optimization of an analytical method for the spectrophotometric determination of copper in tea and water samples after ultrasonic assisted cloud point extraction using a benzothiazole fluorescein derivative complexing agent

RSC Advances ◽  
2015 ◽  
Vol 5 (80) ◽  
pp. 65321-65327 ◽  
Author(s):  
Chunlei Fan ◽  
Shengxu Luo ◽  
Rong Liu
Keyword(s):  
Cloud Point ◽  
Spectrophotometric Determination ◽  
Water Samples ◽  
Analytical Method ◽  
Cloud Point Extraction ◽  
Complexing Agent ◽  
Ultrasonic Assisted ◽  
Determination Of Copper

BTF is exists with spirolactone species with adding Cu2+, which leads to the absorbance intensity is decreased gradually and the decrease of the absorbance value is linear for Cu2+.

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