-
Article
Open AccessHighly sensitive near-infrared SERS nanoprobes for in vivo imaging using gold-assembled silica nanoparticles with controllable nanogaps
To take advantages, such as multiplex capacity, non-photobleaching property, and high sensitivity, of surface-enhanced Raman scattering (SERS)-based in vivo imaging, development of highly enhanced SERS nanopro...
-
Article
Open AccessHigh-quantum yield alloy-typed core/shell CdSeZnS/ZnS quantum dots for bio-applications
Quantum dots (QDs) have been used as fluorophores in various imaging fields owing to their strong fluorescent intensity, high quantum yield (QY), and narrow emission bandwidth. However, the application of QDs ...
-
Article
Open AccessAu–Ag assembled on silica nanoprobes for visual semiquantitative detection of prostate-specific antigen
Blood prostate-specific antigen (PSA) levels are widely used as diagnostic biomarkers for prostate cancer. Lateral-flow immunoassay (LFIA)-based PSA detection can overcome the limitations associated with other...
-
Article
Erratum to: Enzyme-amplified SERS immunoassay with Ag-Au bimetallic SERS hot spots
One author name and corresponding affiliation of the original version of this article were unfortunately mislabeled.
-
Chapter
Conclusion and Perspective
Nanotechnology is a rapidly growing area of development by numerous research groups across the world with its potential applications gaining recognition since the 1950s across various fields. During the last d...
-
Chapter
Introduction of Nanobiotechnology
Nano is a fine metric unit which means “one billionth.” is attracting attention as a technological basis to lead the fourth industry. By utilizing synergistic properties obtained from controlling the structu...
-
Chapter
Silica Nanoparticles
Silica consists of one silicon atom and two oxygen atoms (SiO2) and is commonly used in various aspects of daily life. For example, it has been used as glass, insulator, and so on. Nowadays, silica is used as cor...
-
Chapter
Plasmonic Nanoparticles: Advanced Researches (II)
Following the previous chapter, recent synthetic methods of metal-based nanoparticles and their applications based on plasmonic resonance properties are described in this chapter. This differs from the previou...
-
Chapter
General in Colloidal Nanoparticles
It is almost impossible to fabricate size-controlled nanomaterials without full understanding about nanoscience, because nanomaterials sometimes suddenly grow up and precipitated, meanwhile other nanomaterials...
-
Chapter
Magnetic Nanoparticles
have been used in various fields such as data storage, biomedicine, or bioimaging with their unique magnetic property. With their low toxicity, the importance of magnetic nanoparticles keeps increasing especi...
-
Chapter
Bioapplications of Nanomaterials
Nanobiotechnology is known as the application of nanoscaled techniques in biology which bridges natural science to living organism for improving the quality of life of humans. Nanotechnology was first issued i...
-
Article
Enzyme-amplified SERS immunoassay with Ag-Au bimetallic SERS hot spots
Surface-enhanced Raman scattering (SERS) enables rapid detection of single molecules with high specificity. However, quantitative and sensitive SERS analysis has been a challenge due to the lack of reliable SE...
-
Article
Sensitive Colorimetric Detection of Prostate Specific Antigen Using a Peroxidase-Mimicking Anti-PSA Antibody Coated Au Nanoparticle
The use of colorimetric bioassays for protein detection is one of the most promising diagnostic approaches, but their relatively poor detection limits have been a critical issue. In this study, we developed an...
-
Article
Open AccessAssembly of Plasmonic and Magnetic Nanoparticles with Fluorescent Silica Shell Layer for Tri-functional SERS-Magnetic-Fluorescence Probes and Its Bioapplications
In this study, we report on the fabrication of multilayered tri-functional magnetic-SERS-fluorescence nanoprobes (MF-SERS particles) containing clustered superparamagnetic Fe3O4 nanoparticles (NPs), silver NPs, a...
-
Article
Open AccessEnzyme-catalyzed Ag Growth on Au Nanoparticle-assembled Structure for Highly Sensitive Colorimetric Immunoassay
We have developed a sensitive colorimetric immunoassay with broad dynamic range using enzyme-catalyzed Ag growth on gold nanoparticle (NP)-assembled silica (SiO2@Au@Ag). To reduce Ag+ ion content and promote Ag g...
-
Article
Glucose detection using 4-mercaptophenyl boronic acid-incorporated silver nanoparticles-embedded silica-coated graphene oxide as a SERS substrate
In this work, 4-mercaptophenyl boronic acid (4-MPBA) was self-assembled on the surface of silver nanoparticle-embedded silica-coated graphene oxide (GO@SiO2@Ag NPs@MPBA) to detect glucose by surface enhanced Rama...
-
Article
Open Accessβ-CD Dimer-immobilized Ag Assembly Embedded Silica Nanoparticles for Sensitive Detection of Polycyclic Aromatic Hydrocarbons
We designed a β-CD dimer on silver nanoparticles embedded with silica nanoparticles (Ag@SiO2 NPs) structure to detect polycyclic aromatic hydrocarbons (PAHs). Silica NPs were utilized as a template for embedding ...
-
Article
Decoration of carbon nanotube films with iridium nanoparticles and their electrochemical characterization
We report the development of a novel nonenzymatic glucose sensor based on single-walled carbon nanotube film electrodes coated with iridium nanoparticles (IrNPs-SWCNT). The SWCNT film electrode was first loade...
-
Article
Hydrazine detection by shape-controlled palladium nanostructures on carbon nanotube thin films
In this article, the electrodeposition of palladium (Pd) nanostructures on flexible and transparent single-walled carbon nanotube (SWCNT) thin films was described. Four different morphologies of Pd nanostructu...
-
Article
Electrochemical Determination of Cadmium and Lead on Pristine Single-walled Carbon Nanotube Electrodes
A flexible, transparent, single-walled carbon nanotube (SWCNT) film electrode was prepared by vacuum filtering methods, followed by photolithographic patterning of a photoresist polymer on the SWCNT surface. T...
