Highly selective and sensitive detection of Cu2+ with lysine enhancing bovine serum albumin modified-carbon dots fluorescent probe.
Analyst
; 137(11): 2637-42, 2012 Jun 07.
Article
em En
| MEDLINE
| ID: mdl-22531278
ABSTRACT
Based on the ability of lysine (Lys) to enhance the fluorescence intensity of bovine serum albumin modified-carbon dots (CDs-BSA) to decrease surface defects and quench fluorescence of the CDs-BSA-Lys system in the presence of Cu(2+) under conditions of phosphate buffer (PBS, pH = 5.0) at 45 °C for 10 min, a sensitive Lys enhancing CDs-BSA fluorescent probe was designed. The environment-friendly, simple, rapid, selective and sensitive fluorescent probe has been utilized to detect Cu(2+) in hair and tap water samples and it achieved consistent results with those obtained by inductively coupled plasma mass spectroscopy (ICP-MS). The mechanism of the proposed assay for the detection of Cu(2+) is discussed.
Texto completo:
1
Bases de dados:
MEDLINE
Assunto principal:
Espectrometria de Fluorescência
/
Soroalbumina Bovina
/
Carbono
/
Cobre
/
Corantes Fluorescentes
/
Lisina
Tipo de estudo:
Diagnostic_studies
Limite:
Animals
Idioma:
En
Revista:
Analyst
Ano de publicação:
2012
Tipo de documento:
Article