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Introduction to Physics of Nanoparticles and Nanostructures Lecture Note

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Name of Notes : – Introduction to Physics of Nanoparticles and Nanostructures Lecture Note

Introduction

This review is presented as a common foundation for scientists interested in nanoparticles, their origin, activity, and biological toxicity. It is written with the goal of rationalizing and informing public health concerns related to this sometimes-strange new science of ‘nano’, while raising awareness of nanomaterials’ toxicity among scientists and manufacturers handling them. We show that humans have always been exposed to tiny particles via dust storms, volcanic ash, and other natural processes, and that our bodily systems are well adapted to protect us from these potentially harmful intruders. The reticuloendothelial system in particular actively neutralizes and eliminates foreign matter in the body, including viruses and non-biological particles.

Particles originating from human activities have existed for millennia, e.g. smoke from combustion and lint from garments, but the recent development of industry and combustion-based engine transportation has profoundly increased anthropogenic particulate pollution. Significantly, technological advancement has also changed the character of particulate pollution, increasing the proportion of nanometer-sized particles – “nanoparticles” and expanding the variety of chemical compositions. Recent epidemiological studies have shown a strong correlation between particulate air pollution levels, respiratory and cardiovascular diseases, various cancers, and mortality. Adverse effects of nanoparticles on human health depend on individual factors such as genetics and existing disease, as well as exposure, and nanoparticle chemistry, size, shape, agglomeration state, and electromagnetic properties.

Animal and human studies show that inhaled nanoparticles are less efficiently removed than larger particles by the macrophage clearance mechanisms in the lung, causing lung damage, and that nanoparticles can translocate through the circulatory, lymphatic, and nervous systems to many tissues and organs, including the brain. The key to understanding the toxicity of nanoparticles is that their minute size, smaller than cells and cellular organelles, allows them to penetrate these basic biological structures, disrupting their normal function

Modules / Lectures

  • Part 1 : Nanoparticles | Module 1 : Introduction
  • Part 1 : Nanoparticles | Module 2 : Reflection and Transmission by Material Media
  • Part 1 : Nanoparticles | Module 3 : Dielectric properties of materials
  • Part 1 : Nanoparticles | Module 4 : Stokes parameter
  • Part 1 : Nanoparticles | Module 5 : Absorption and scattering by a particle
  • Part 1 : Nanoparticles | Module 6 : Mie theory for Scattering and absorption by a sphere & ellipsoid
  • Part 1 : Nanoparticles | Module 7 : Surface modes of small particles
  • Part 2 : Nanostuctures | Module 1 : Introduction
  • Part 2 : Nanostuctures | Module 2 : Electrons in lower dimensions
  • Part 2 : Nanostuctures | Module 3 : Electron Transport
  • Part 2 : Nanostuctures | Module 4 : Transport
  • Part 2 : Nanostuctures | Module 5 : Transmission Through Barrier
  • Part 2 : Nanostuctures | Module 6 : Tunneling current
  • Part 2 : Nanostuctures | Module 7 : Electron States in Quantum Dots in Magnetic Fields
  • Part 2 : Nanostuctures | Module 8 : Coulomb blockade and single electron tunneling

Additional information

Product Name

Introduction to Physics of Nanoparticles and Nanostructures Lecture Note

Product Size

772 KB

Format

File Format

File Category

DEPARTMENT/COURSE

Need For

College, Competition, Entrance, Exams, PSU, Semester, University

Product Type

Written By

Prof. G. Mukhopadhyay

Provided By

IIT Bombay

Uploaded By

Roop Chandra

Languages

English

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