Carbon Nanotube-Based Dual-Mode Biosensor for Electrical and Surface Plasmon Resonance Measurements

Nano Letters ◽  
2010 ◽  
Vol 10 (8) ◽  
pp. 2755-2760 ◽  
Author(s):  
Jeseung Oh ◽  
Young Wook Chang ◽  
Hyung Joon Kim ◽  
Seunghwan Yoo ◽  
Dong Jun Kim ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Carbon Nanotube ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Dual Mode

Dual-mode surface plasmon resonance sensor chip using a grating 3D-printed prism

2021 ◽  
Vol 1147 ◽  
pp. 23-29
Author(s):  
Chutiparn Lertvachirapaiboon ◽  
Akira Baba ◽  
Kazunari Shinbo ◽  
Keizo Kato
Keyword(s):  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Sensor Chip ◽  
Surface Plasmon Resonance Sensor ◽  
Dual Mode ◽  
Resonance Sensor ◽  
3D Printed

Excitation of Surface Plasmon Resonance in Composite Structures Based on Single-Layer Superaligned Carbon Nanotube Films

2013 ◽  
Vol 117 (44) ◽  
pp. 23190-23197 ◽  
Author(s):  
Yinghui Sun ◽  
Kai Liu ◽  
Yimo Han ◽  
Qunqing Li ◽  
Shoushan Fan ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Carbon Nanotube ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Composite Structures ◽  
Single Layer ◽  
Nanotube Films

scholarly journals Fabrication of Troponin I Biosensor Composed of Multi-Functional DNA Structure/Au Nanocrystal Using Electrochemical and Localized Surface Plasmon Resonance Dual-Detection Method

Nanomaterials ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 1000 ◽  
Author(s):  
Taek Lee ◽  
Jinmyeong Kim ◽  
Inho Nam ◽  
Yeonju Lee ◽  
Ha Eun Kim ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Human Serum ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Localized Surface Plasmon Resonance ◽  
Troponin I ◽  
Electrochemical Impedance ◽  
Localized Surface Plasmon ◽  
Dual Mode ◽  
Functional Dna

In the present study, we fabricated a dual-mode cardiac troponin I (cTnI) biosensor comprised of multi-functional DNA (MF-DNA) on Au nanocrystal (AuNC) using an electrochemical method (EC) and a localized surface plasmon resonance (LSPR) method. To construct a cTnI bioprobe, a DNA 3 way-junction (3WJ) was prepared to introduce multi-functionality. Each DNA 3WJ arm was modified to possess a recognition region (Troponin I detection aptamer), an EC-LSPR signal generation region (methylene blue: MB), and an anchoring region (Thiol group), respectively. After an annealing step, the multi-functional DNA 3WJ was assembled, and its configuration was confirmed by Native-TBM PAGE for subsequent use in biosensor construction. cTnI was also expressed and purified for use in biosensor experiments. To construct an EC-LSPR dual-mode biosensor, AuNCs were prepared on an indium-tin-oxide (ITO) substrate using an electrodeposition method. The prepared multi-functional (MF)-DNA was then immobilized onto AuNCs by covalent bonding. Field emission scanning electron microscope (FE-SEM) and atomic force microscopy (AFM) were used to analyze the surface morphology. LSPR and electrochemical impedance spectroscopy (EIS) experiments were performed to confirm the binding between the target and the bioprobe. The results indicated that cTnI could be effectively detected in the buffer solution and in diluted-human serum. Based on the results of these experiments, the loss on drying (LOD) was determined to be 1.0 pM in HEPES solution and 1.0 pM in 10% diluted human serum. Additionally, the selectivity assay was successfully tested using a number of different proteins. Taken together, the results of our study indicate that the proposed dual-mode biosensor is applicable for use in field-ready cTnI diagnosis systems for emergency situations.

Excitation of Surface Plasmon Resonance on Multiwalled Carbon Nanotube Metasurfaces for Pesticide Sensors

2020 ◽  
Vol 12 (46) ◽  
pp. 52082-52088
Author(s):  
Yue Wang ◽  
Zijian Cui ◽  
Xiaoju Zhang ◽  
Xiang Zhang ◽  
Yongqiang Zhu ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Carbon Nanotube ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Multiwalled Carbon Nanotube ◽  
Multiwalled Carbon

Carbon nanotube-assisted enhancement of surface plasmon resonance signal

2011 ◽  
Vol 408 (2) ◽  
pp. 206-211 ◽  
Author(s):  
Eun Gyo Lee ◽  
Kyung Mi Park ◽  
Jin Young Jeong ◽  
Seung Hui Lee ◽  
Jung Eun Baek ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Carbon Nanotube ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Resonance Signal ◽  
Surface Plasmon Resonance Signal
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