Plasmonic Nanosensors for Detection of Aqueous Toxic Metals

Plasmonic Nanosensors for Detection of Aqueous Toxic Metals

by Dinesh Kumar

4.6 out of 5

Language	:	English
Paperback	:	300 pages
Item Weight	:	2.51 pounds
Dimensions	:	6.14 x 0.56 x 9.21 inches
File size	:	10184 KB
Print length	:	228 pages
Screen Reader	:	Supported
X-Ray for textbooks	:	Enabled
Hardcover	:	240 pages

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Toxic metals are a major environmental and health concern. They can be found in water, soil, and air, and they can pose a serious threat to human health. Even low levels of exposure to toxic metals can cause a variety of health problems, including cancer, kidney damage, and neurological disFree Downloads.

Traditional methods for detecting toxic metals in water are often time-consuming and expensive. Plasmonic nanosensors offer a new and promising approach for the detection of toxic metals. Plasmonic nanosensors are small, metal nanoparticles that can be designed to interact with specific molecules. When toxic metals are present in water, they bind to the plasmonic nanosensors and cause a change in the optical properties of the nanosensors. This change can be detected using a simple and inexpensive optical readout system.

Plasmonic nanosensors have several advantages over traditional methods for detecting toxic metals. They are small and portable, so they can be used in a variety of settings. They are also highly sensitive, so they can detect even low levels of toxic metals. In addition, plasmonic nanosensors are relatively inexpensive to fabricate, so they can be used for large-scale monitoring of toxic metals.

Principles of Plasmonics

Plasmonics is the study of the optical properties of metal nanoparticles. When light strikes a metal nanoparticle, it excites the electrons in the nanoparticle. These electrons then oscillate in resonance with the light, creating a surface plasmon. Surface plasmons are waves of electromagnetic energy that travel along the surface of the metal nanoparticle.

The optical properties of plasmonic nanosensors are determined by the size, shape, and composition of the nanoparticles. By carefully designing the nanoparticles, it is possible to create nanosensors that are sensitive to specific molecules. For example, nanosensors that are made of gold are sensitive to the presence of mercury ions. When mercury ions bind to the nanosensors, they cause a change in the optical properties of the nanosensors that can be detected using a simple optical readout system.

Design and Fabrication of Plasmonic Nanosensors

The design and fabrication of plasmonic nanosensors is a complex process. The nanoparticles must be carefully designed to ensure that they are sensitive to the specific molecules that they are intended to detect. The nanoparticles must also be fabricated using a high level of precision to ensure that they have the desired optical properties.

There are a variety of different methods that can be used to design and fabricate plasmonic nanosensors. One common method is to use lithography. Lithography is a process that uses light to create a pattern on a surface. The pattern can then be used to define the size and shape of the nanoparticles.

Another method that can be used to design and fabricate plasmonic nanosensors is to use self-assembly. Self-assembly is a process in which molecules spontaneously organize themselves into a desired structure. This method can be used to create plasmonic nanosensors with complex shapes and structures.

Applications of Plasmonic Nanosensors for the Detection of Aqueous Toxic Metals

Plasmonic nanosensors have a wide range of applications in the detection of aqueous toxic metals. They can be used to monitor the quality of drinking water, wastewater, and industrial effluents. They can also be used to detect toxic metals in environmental samples, such as soil and sediment.

Plasmonic nanosensors offer a number of advantages over traditional methods for detecting toxic metals. They are small and portable, so they can be used in a variety of settings. They are also highly sensitive, so they can detect even low levels of toxic metals. In addition, plasmonic nanosensors are relatively inexpensive to fabricate, so they can be used for large-scale monitoring of toxic metals.

Plasmonic nanosensors are a promising new technology for the detection of aqueous toxic metals. They offer a number of advantages over traditional methods, and they have the potential to revolutionize the way that we monitor toxic metals in the environment.

Plasmonic Nanosensors for Detection of Aqueous Toxic Metals

by Dinesh Kumar

4.6 out of 5

Language	:	English
Paperback	:	300 pages
Item Weight	:	2.51 pounds
Dimensions	:	6.14 x 0.56 x 9.21 inches
File size	:	10184 KB
Print length	:	228 pages
Screen Reader	:	Supported
X-Ray for textbooks	:	Enabled
Hardcover	:	240 pages

FREE