Related Experiment Video
Updated: Jan 29, 2026
08:55
Fabrication and Characterization of Layer-By-Layer Janus Base Nano-Matrix to Promote Cartilage Regeneration
Published on: July 6, 2022
2.4K
Layer-by-Layer Nano-assembly: A Powerful Tool for Optical Fiber Sensing Applications.
Pedro J Rivero1,2, Javier Goicoechea3,4, Francisco J Arregui5,6
1Materials Engineering Laboratory, Department of Engineering, Public University of Navarre, Campus Arrosadía S/N, 31006 Pamplona, Spain. pedrojose.rivero@unavarra.es.
Sensors (Basel, Switzerland)
|February 10, 2019
Summary
Layer-by-layer (LbL) nano-assembly enables precise control over nanostructured thin films for advanced functional coatings. This review highlights LbL coatings in optical fiber sensors for chemical and biological detection.
Area of Science:
- Materials Science
- Nanotechnology
- Chemical Engineering
Background:
- Tuning nanostructured thin film composition is crucial for advanced functional coatings in sensing.
- Nanoscale control enhances optical, chemical, and physical properties compared to bulk materials.
Purpose of the Study:
- To review applications of layer-by-layer (LbL) nano-assembly in optical fiber sensors.
- To explore LbL coatings for chemical and biological sensing applications.
Main Methods:
- Layer-by-layer (LbL) nano-assembly for fabricating nanostructured thin films.
- Incorporation of diverse species (nanoparticles, biomolecules) into multilayer structures.
- Development of optical fiber sensors utilizing LbL coatings.
Main Results:
- LbL method offers precise control over coating thickness, composition, and structure.
- LbL nanocoatings demonstrate significant potential in optical fiber sensing.
- Successful application in detecting pH, gases, volatile organic compounds, proteins, and DNA.
Conclusions:
- LbL nano-assembly is a versatile technique for high-performance optical fiber sensors.
- Advanced LbL coatings are effective for both chemical and biological sensing.
- This approach facilitates the design of sensitive and selective sensor platforms.
More Related Videos
Related Concept Videos
01:21Layers of the Epidermis
8.1K
The epidermis, the outermost layer of the skin, is composed of several distinct layers. From deep to superficial, the layers of the epidermis are as follows:
Stratum Basale
Stratum basale, also known as the stratum germinativum, is the deepest layer of the epidermis. It is composed of a single layer of actively dividing cells called basal cells or basal keratinocytes. These cells constantly undergo cell division to replenish the upper layers of the epidermis. Additionally, melanocytes, which...
Stratum Basale
Stratum basale, also known as the stratum germinativum, is the deepest layer of the epidermis. It is composed of a single layer of actively dividing cells called basal cells or basal keratinocytes. These cells constantly undergo cell division to replenish the upper layers of the epidermis. Additionally, melanocytes, which...
8.1K
01:30Thematic Layering in GIS
345
In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
345
01:15Layers of the Heart Wall
5.6K
The heart wall comprises three distinct layers: the epicardium, myocardium, and endocardium. The outermost layer, the epicardium, is the visceral layer of the serous pericardium, featuring a thin, transparent mesothelial surface and an inner layer of areolar connective tissue with fat deposits that increase with age.
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
5.6K
01:18Boundary Layer Characteristics
613
When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
613
01:11Thin-Layer Chromatography (TLC): Overview
4.6K
Thin-layer chromatography (TLC) is a chromatography technique that separates compounds based on their polarity. TLC typically uses polar silica gel, a form of silicon dioxide, as the stationary phase. The silica gel contains hydroxyl (OH) groups on its surface, which form hydrogen bonds with polar compounds, influencing their adhesion to the stationary phase.
To begin the analysis, a mixture of compounds is spotted on the starting line on the TLC plate using a thin capillary. The bottom of the...
To begin the analysis, a mixture of compounds is spotted on the starting line on the TLC plate using a thin capillary. The bottom of the...
4.6K
01:21Layers of Connective Tissue Proper
3.5K
Fascia, a thin layer of fibrous connective tissue, is distributed throughout the body. It demarcates and forms a supportive covering over skeletal muscles, bones, blood vessels, and organs. There are three main types of facia— superficial fascia, deep fascia, and subserous fascia. These are all present at different depths in the body. Fascia reduces the friction and permits muscles, joints, and organs to easily slide against each other, facilitating movement of the body and preventing...
3.5K