Label-free electrochemical detection of Avian Influenza Virus genotype utilizing multi-walled carbon nanotubes–cobalt phthalocyanine–PAMAM nanocomposite modified glassy carbon electrode

Zhu, Xiangbin; Ai, Shiyun; Chen, Quanpeng; Yin, Huanshun; Xu, Jing

doi:10.1016/j.elecom.2009.05.055

Cited by 63 publications

(24 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…4,12,[19][20][21]31,[33][34][35] In addition, it was found that EIS results were consistent with those of the DPV technique after performing EIS characterization for the successful modification of PDR onto the surface of the disposable sensors, PGE and MWCNT-SPE, and measuring the changes of the R ct values before/after the dendrimer modification and DNR accumulation onto the surface of the dendrimer modified electrodes. …”

Section: Resultssupporting

confidence: 71%

Dendrimer modified graphite sensors for detection of anticancer drug Daunorubicin by voltammetry and electrochemical impedance spectroscopy

Erdem

Karadeniz

Caliskan

2011

Analyst

View full text Add to dashboard Cite

The development of amino-terminated G4 PAMAM dendrimer (PDR) modified disposable electrodes were developed as the first time in our study by using the dendrimer modified disposable graphite (PDR-PGE) and multiwalled carbon nanotube based screen-printed graphite (PDR-MWCNT-SPE) electrodes. Firstly, the microscopic characterization of bare PGEs and PDR modified PGEs was performed. These sensors were then applied for electrochemical monitoring of an anticancer drug, Daunorubicin (DNR). The enhanced oxidation signal of DNR was measured at +0.50 V by using differential pulse voltammetry (DPV) in combination with the PDR-PGEs. The detection limit, estimated from S/N = 3, corresponds accordingly to 317 nM and 128 nM for DNR respectively at the PGE and PDR-PGE. The voltammetric results were consistent with electrochemical impedance spectroscopy (EIS) that was used to characterize the successful modification of PDR onto the surface of PGE and MWCNT-SPE.

show abstract

Section: Resultssupporting

confidence: 71%

Dendrimer modified graphite sensors for detection of anticancer drug Daunorubicin by voltammetry and electrochemical impedance spectroscopy

Erdem

Karadeniz

Caliskan

2011

Analyst

View full text Add to dashboard Cite

show abstract

“…The electrode (sensor) can be modified by probe or antibody (recognition element) ( Figure 3B), followed by target isolation ( Figure 3C), and terminated by simple signal detection or detection after signal amplification ( Figure 3D). The complex formed from the receptor and the target molecule at the electrode surface results in a detectable change of the signal and is converted into a quantitative amperometric, 79 potentiometric, 80,81 or impedimetric signal.…”

Section: Electrochemical Biosensorsmentioning

confidence: 99%

“…A wide range of electrochemical methods can be used for detection include differential pulse voltammetry (DPV), 35,80,82 square wave voltammetry (SWV), 83,84 cyclic voltammetry (CV), [85][86][87] and conductometry. 88,89 Also, impedance is widely used as a detection method in biosensors.…”

mentioning

confidence: 99%

Nanoscale virus biosensors: state of the art

Krejčová¹,

Michálek²,

Rodrigo³

et al. 2015

NDD

View full text Add to dashboard Cite

Abstract:Since the beginning of the new millennium, viruses have shown huge epidemiological and pandemic potential: severe acute respiratory syndrome (SARS) in 2002, pandemic swine flu in 2009, and last but not least the West African Ebola outbreak in 2014. The occurrence and spread of the new virus in pandemic dimension poses a threat to the health and lives of 7 billion people worldwide. There is a growing urgency for highly sensitive and selective detection techniques, usable for a wide number of applications, including disease diagnosis, pharmaceutical research, agriculture, as well as preventive measures. Nanobiosensors represent a new promising tool for virus detection. This review gives a brief survey of the issue of viral detection, comprising diagnostics of target structure of viruses such as nucleic acids or proteins. This review covers different detection principles, methods of fabrication, and applications of virus biosensors.

show abstract

“…In recent years, based on its high geometric symmetry, easily controlled nano size, controllable surface functionality, and chemical stability [14], PAMAM dendrimers have been widely used to fabricate electrochemical sensors. For example, PAMAM dendrimers were used to construct a novel nitrite biosensor [15] and novel DNA electrochemical biosensor [16], both of which revealed a positive prospect for its application.…”

Section: Introductionmentioning

confidence: 99%

Selective determination of dopamine in the presence of ascorbic acid using ferrocenyl-tethered PAMAM dendrimers modified glassy carbon electrode

Chen

et al. 2010

J Appl Electrochem

Self Cite

View full text Add to dashboard Cite

Determination of dopamine (DA) in the absence and presence of ascorbic acid (AA) by ferrocenyltethered PAMAM G3 dendrimers (Fc-D) modified glassy carbon electrode (GCE) was reported. The modified electrode was characterized with cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). Factors influencing the detection processes were optimized and kinetic parameters were calculated. The sensor exhibited excellent catalytic activities for the oxidation-reduction reactions of DA and eliminated the interference of AA. Under optimal condition, the linear range of 1 9 10 -5 -1.5 9 10 -3 mol L -1 and the detection limit of 4.7 9 10 -6 mol L -1 was obtained. This study provides a new idea for the determination of DA in the presence of AA.

show abstract

Label-free electrochemical detection of Avian Influenza Virus genotype utilizing multi-walled carbon nanotubes–cobalt phthalocyanine–PAMAM nanocomposite modified glassy carbon electrode

Cited by 63 publications

References 22 publications

Dendrimer modified graphite sensors for detection of anticancer drug Daunorubicin by voltammetry and electrochemical impedance spectroscopy

Dendrimer modified graphite sensors for detection of anticancer drug Daunorubicin by voltammetry and electrochemical impedance spectroscopy

Nanoscale virus biosensors: state of the art

Selective determination of dopamine in the presence of ascorbic acid using ferrocenyl-tethered PAMAM dendrimers modified glassy carbon electrode

Contact Info

Product

Resources

About