[2] Univ West Attica, Dept Biomed Engn, Athens 12243, Greece
[3] Fdn Res & Technol Hellas FORTH, Inst Elect Struct & Laser IESL, Microelect Res Grp MRG, Iraklion 70013, Greece
[4] Biomed Res Fdn Acad Athens, Athens 11527, Greece
来源:
BIOSENSORS-BASEL
|
2024年
/
14卷
/
07期
关键词:
heavy metal;
biosensor;
non-faradaic;
impedance;
EIS;
DNAzymes;
chromium;
lead;
nanoparticles;
lab on chip;
DNA;
DROPLET;
MICROELECTRODES;
ENVIRONMENT;
REMOVAL;
D O I:
10.3390/bios14070321
中图分类号:
O65 [分析化学];
学科分类号:
070302 ;
081704 ;
摘要:
Due to rapid industrialization, novel water-quality monitoring techniques for the detection of highly toxic and hazardous heavy metal ions are essential. Herein, a hybrid noble nanoparticle/DNAzyme electrochemical biosensor is proposed for the simultaneous and label-free detection of Pb2+ and Cr3+ in aqueous solutions. The sensor is based on the combination of a two-dimensional naked-platinum nanoparticle film and DNAzymes, whose double-helix configuration disassembles into smaller fragments in the presence of target-specific heavy metal ions. The electrochemical behavior of the fabricated sensor was investigated with non-faradaic electrochemical impedance spectroscopy (EIS), resulting in the successful detection of Pb2+ and Cr3+ well below their maximum permitted levels in tap water. So far, there has been no report on the successful detection of heavy metal ions utilizing the non-faradaic electrochemical impedance spectroscopy technique based on advanced nanomaterials paired with DNAzymes. This is also one of the few reports on the successful detection of chromium (III) via a sensor incorporating DNAzymes.
机构:
Univ Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, MalaysiaUniv Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Subramani, Indra Gandi
Perumal, Veeradasan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Univ Teknol Petronas, Mech Engn Dept, Seri Iskandar 32610, Perak, MalaysiaUniv Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Perumal, Veeradasan
Gopinath, Subash C. B.
论文数: 0引用数: 0
h-index: 0
机构:
Inst Nano Elect Engn, Kangar 01000, Malaysia
Univ Malaysia Perlis, Sch Bioproc Engn, Arau 02600, Perlis, MalaysiaUniv Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Gopinath, Subash C. B.
Mohamed, Norani Muti
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h-index: 0
机构:
Univ Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Univ Teknol Petronas, Dept Fundamental & Appl Sci, Seri Iskandar 32610, Perak, MalaysiaUniv Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Mohamed, Norani Muti
Joshi, Nirav
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Sao Carlos Inst Phys, BR-13560970 Sao Carlos, SP, BrazilUniv Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Joshi, Nirav
Ovinis, Mark
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Petronas, Mech Engn Dept, Seri Iskandar 32610, Perak, MalaysiaUniv Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
Ovinis, Mark
Li Sze, Lim
论文数: 0引用数: 0
h-index: 0
机构:
Med Innovat Ventures Sdn Bhd Mediven, Gelugor 11700, Penang, MalaysiaUniv Teknol Petronas, Ctr Innovat Nanostruct & Nanodevices COINN, Seri Iskandar 32610, Perak, Malaysia
机构:
Jinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R ChinaJinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Ji, Yangyang
Guan, Feifei
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R ChinaJinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Guan, Feifei
Zhou, Xin
论文数: 0引用数: 0
h-index: 0
机构:
Jinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R ChinaJinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Zhou, Xin
Liu, Xiaoqing
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R ChinaJinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Liu, Xiaoqing
Wu, Ningfeng
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R ChinaJinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Wu, Ningfeng
Liu, Daling
论文数: 0引用数: 0
h-index: 0
机构:
Jinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R ChinaJinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China
Liu, Daling
Tian, Jian
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R ChinaJinan Univ, Sch Life Sci & Technol, Guangzhou 10559, Guangdong, Peoples R China