Bionanotechnology
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The document discusses various applications of nanotechnology for bionic implants and biomedical engineering. It describes using nanotechnology for surface engineering of implants, targeted drug delivery, nano-scale surface patterning of materials, and 3D printing of tissues. The document also discusses challenges like preventing immune rejection of implant materials and ensuring long-term viability of encapsulated cells.
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Bionanotechnology
Bionanotechnology involves utilizing biological systems at the nanoscale to develop functional nanostructures for various applications. It includes self-assembled nanostructures, bio-inspired materials, and using biological entities like viruses, ferritin proteins and DNA as templates to build nano-devices. Some key applications of bionanotechnology discussed are in medicine for targeted drug delivery, disease diagnosis, artificial photosynthesis, water treatment and military surveillance. However, developing this technology responsibly with consideration of ethical, legal and social implications will be important for public acceptance.
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Bionanotechnology applies nano/microfabrication tools and processes to build devices for studying biosystems at the nanoscale. Researchers learn from biology to create new micro-nanoscale devices. It sits at the interface between chemical, biological, and physical sciences. Molecular biologists help nanotechnologists understand and access biological nanostructures and nanomachines. Antibody-nanoparticle modeling investigates interfacial properties of these bio-nano systems using computer simulations. Nanomedicines, such as lipid or polymer nanoparticles, are taken up by cells and can deliver drugs. DNA is used in molecular nanotechnology and nanorobotics due to its stiffness and self-assembly properties. Nanopore technology detects single molecules of
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Bionanotechnology involves utilizing biological systems at the nanoscale to develop functional nanostructures for various applications. It includes self-assembled nanostructures, bio-inspired materials, and using biological entities like viruses, ferritin proteins and DNA as templates to build nano-devices. Some key applications of bionanotechnology discussed are in medicine for targeted drug delivery, disease diagnosis, artificial photosynthesis, water treatment and military surveillance. However, developing this technology responsibly with consideration of ethical, legal and social implications will be important for public acceptance.
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quantum dots
E = g lk+ 2
+ − − +
r m 0 m 0 4 ε 0 h ( ε 0 2 e 0 m 0
8 em hm πεr 2 2ε ) m m hm
Brus, L. E. J. Phys. Chem. 1986, 90, 2555
Semiconductor quantum dots are nanocrystals made of semiconductor materials such as CdSe, ZnSe, ZnS, and ZnO. They exhibit size-dependent optical and electronic properties due to
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1. Characterize the magnetic nanoparticles and study their AC susceptibility, size distribution, magnetic properties, and relaxation to determine parameters like magnetic moment and blocking temperature.
2. Develop a system to detect biological targets using magnetic nanoparticles and improve the system's sensitivity.
3. Validate the magnetic immunoassay technique by comparing results to conventional methods and analyzing outcomes for biological targets.
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quantum dots
E = g lk+ 2
+ − − +
r m 0 m 0 4 ε 0 h ( ε 0 2 e 0 m 0
8 em hm πεr 2 2ε ) m m hm
Brus, L. E. J. Phys. Chem. 1986, 90, 2555
Semiconductor quantum dots are nanocrystals made of semiconductor materials such as CdSe, ZnSe, ZnS, and ZnO. They exhibit size-dependent optical and electronic properties due to
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1. Characterize the magnetic nanoparticles and study their AC susceptibility, size distribution, magnetic properties, and relaxation to determine parameters like magnetic moment and blocking temperature.
2. Develop a system to detect biological targets using magnetic nanoparticles and improve the system's sensitivity.
3. Validate the magnetic immunoassay technique by comparing results to conventional methods and analyzing outcomes for biological targets.
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Nanotechnology involves manipulating matter at the nanoscale, which is approximately 1 to 100 nanometers. It has applications in many areas such as medicine, energy, and computing. Some advantages of nanotechnology include materials that are stronger, lighter, cheaper, and more precise. However, there are also concerns about potential negative health effects and how nanotechnology could enable new types of weapons.
Nanotechnology ppt
This document provides an overview of nanotechnology. It defines nanotechnology as the study and engineering of matter at the nanoscale, or atomic level. The document outlines the history of nanotechnology from its conception in 1959 to modern applications. Key tools used in nanotechnology like atomic force microscopes and carbon nanotubes are described. The document also discusses different approaches (top-down vs bottom-up), materials used, and applications of nanotechnology in areas like drugs, fabrics, electronics, and computers. It provides examples of how nanotechnology is enhancing performance in these domains.
"Double emulsion"
This document discusses double emulsions and methods for producing them. It examines single and double emulsions, traditional methods for creating them using homogenizers or mills, and materials used like NaCl solutions and sugars. Experimental results show fructose produced the most stable double emulsions. Parameters like particle size, viscosity, and NaCl release were tested. The results were combined into a single dimensionless relationship. Ultimately, double emulsions with diameters less than 1 micron were successfully produced using premix membrane emulsification, which represents the smallest size reported in literature.
Hepatic disorder
This document provides information about hepatic disorders including cirrhosis, hepatitis, and fulminant hepatic failure. It discusses the liver's functions and locations. Common causes of cirrhosis include alcohol, hepatitis B and C, and non-alcoholic fatty liver disease. Signs and symptoms can include jaundice, ascites, and hepatic encephalopathy. Hepatitis A, B, C, D, E, and G viruses are the main causes of viral hepatitis. Transmission occurs through fecal-oral, blood, or sexual contact. Treatment focuses on supportive care and management of complications while prevention emphasizes vaccination, hygiene, and avoiding risk factors.
Role of Ayurvedic Products in livestock Health and production- A Global Scena...
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This document discusses the role of ayurvedic products in livestock health and production on a global scale. It notes that the total global herbal market for animal health is $100 billion, with growth in digestive, respiratory, dermal and nutrient replacement products. Herbal/phytoconstituent-based products are growing at a 20% compound annual growth rate. The reasons for their growing popularity include an increasing number of research papers and herbal pharmacopoeias establishing their scientific credibility as well as their comparatively lower development costs. India is well positioned to benefit due to its large biodiversity of medicinal plants and variety of animal species for testing. Examples are given of herbal applications for skin diseases, post-parturientNanopharmacology and nanotechnology
This document discusses nanotechnology and electron beam technology for producing nanoparticles. It summarizes that electron beam technology can be used to evaporate materials to produce nanoparticles through vacuum evaporation. This technique is versatile, efficient and cost-effective for producing metallic and non-metallic nanoparticles. The document also discusses how nanoparticles of silver, silica and nanocomposites have been produced and studied for their antimicrobial properties and ability to decrease toxicity of drugs like antituberculosis medications.
Нанотоксикология – новое направление для исследований
Доклад Главного врача МЦ "Новомедицина» доктора медицинских наук, профессор а САРВИЛИНой Ирины Владиславовны на III съезде токсикологов России, Москва, 1-5 декабря 2008 года
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I. The document describes a new method for producing micro/nano-scale gelatin fibers through a wet spinning and folding process as a novel biomaterial for tissue engineering.
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