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Article
Determination of lysophosphatidylcholine using peroxidase-mimic PVP/PtRu nanozyme
Lysophosphatidylcholine (LPC) can be used as a biomarker for diseases such as cancer, diabetes, atherosclerosis, and sepsis. In this study, we demonstrated the ability of nanozymes to displace the natural deri...
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Article
Open AccessElectroanalytical biosensor based on GOx/FCA/PEG-modified SWCNT electrode for determination of glucose
This paper describes a simple electrochemical sensing platform based on single-walled carbon nanotube (SWCNT) electrodes for glucose detection. The device fabrication using O2-plasma treatment allows precision an...
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Article
Mesoporous platinum nanoparticles as a peroxidase mimic for the highly sensitive determination of C-reactive protein
The generation of a mesoporous structure in platinum nanoparticles can effectively enhance physical and chemical properties. In this study, mesoporous platinum nanoparticles (MPNs) were synthesized by a soft t...
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Article
Au nanoparticle-hydrogel nanozyme-based colorimetric detection for on-site monitoring of mercury in river water
A sensitive on-site mercury sensing platform was developed for simple and effective monitoring of mercury levels in the field. The simple and practical mercury detection system was designed by integrating an A...
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Article
Functionalized ultra-fine bimetallic PtRu alloy nanoparticle with high peroxidase-mimicking activity for rapid and sensitive colorimetric quantification of C-reactive protein
The in situ synthesis is reported of citric acid-functionalized ultra-fine bimetallic PtRu alloy nanoparticles (CA@PtRu ANPs) through a simple one-pot wet chemical method. The cost-efficient CA@PtRu ANPs with ...
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Article
Development of a photodiode array biochip using a bipolar semiconductor and its application to detection of human papilloma virus
We describe a DNA microarray system using a bipolar integrated circuit photodiode array (PDA) chip as a new platform for DNA analysis. The PDA chip comprises an 8 × 6 array of photodiodes each with a diameter ...
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Article
Gold nanoparticle aggregation-based highly sensitive DNA detection using atomic force microscopy
The potential ability of atomic force microscopy (AFM) as a quantitative bioanalysis tool is demonstrated by using gold nanoparticles as a size enhancer in a DNA hybridization reaction. Two sets of probe DNA w...
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Article
Fast and sensitive DNA analysis using changes in the FRET signals of molecular beacons in a PDMS microfluidic channel
A new DNA hybridization analytical method using a microfluidic channel and a molecular beacon-based probe (MB-probe) is described. A stem-loop DNA oligonucleotide labeled with two fluorophores at the 5′ and 3′...