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Quantum dots reviewed — Could these nanoparticles hold the cure to cancer?
September 15, 2006Review of quantum dot technologies for cancer detection and treatment
The worlds of medical and biological research are abuzz with the promises offered by nanoparticles known as semiconductor quantum dots. These Quantum Dots (QDs) have unique optical and electronic properties that make them suitable for breakthrough treatments such as the detection and destruction of cancer cells.
Just released on the nanotechnology website AZoNano, is a comprehensive review of the latest literature and studies into Quantum Dots. The review by Sandeep Kumar Vashist, Rupinder Tewari, Ram Prakash Bajpai, Lalit Mohan Bharadwaj and Roberto Raiteri, researchers from a range of Italian and Indian universities and research organisations, has been released as part of AZoJono*, the open access AZo Journal of Nanotechnology Online.
With a focus on the use of QDs in cancer detection and treatment, the review includes a detailed examination of Quantum Dot advantages, their synthesis, properties and applications, toxic effects, use in imaging and analysis plus Quantum Dot drug delivery systems. The paper also outlines some early success in the detection and treatment of breast cancer.
The paper concludes with a quick look at what the future may hold for Quantum Dots in providing new insights into understanding the pathophysiology of cancer and real time imaging and screening of tumours.
The level of details provided in this valuable review paper could easily make up a chapter in an expensive text book. However, this paper is available to access free of charge in its entirety at http://www.azonano.com/Details.asp?ArticleID=1726
AZoNetwork
With a focus on the use of QDs in cancer detection and treatment, the review includes a detailed examination of Quantum Dot advantages, their synthesis, properties and applications, toxic effects, use in imaging and analysis plus Quantum Dot drug delivery systems. The paper also outlines some early success in the detection and treatment of breast cancer.
The paper concludes with a quick look at what the future may hold for Quantum Dots in providing new insights into understanding the pathophysiology of cancer and real time imaging and screening of tumours.
The level of details provided in this valuable review paper could easily make up a chapter in an expensive text book. However, this paper is available to access free of charge in its entirety at http://www.azonano.com/Details.asp?ArticleID=1726
AZoNetwork
Nanoparticle Current Events and Nanoparticle News RSSSilver proves its mettle for nanotech applications
The self-assembling properties of the DNA molecule have allowed for the construction of an intriguing range of nanoscale forms.
Caltech-led team provides proof in humans of RNA interference using targeted nanoparticles
A California Institute of Technology (Caltech)-led team of researchers and clinicians has published the first proof that a targeted nanoparticle-used as an experimental therapeutic and injected directly into a patient's bloodstream-can traffic into tumors, deliver double-stranded small interfering RNAs (siRNAs), and turn off an important cancer gene using a mechanism known as RNA interference (RNAi).
New alloys key to efficient energy and lighting
A recent advance by Arizona State University researchers in developing nanowires could lead to more efficient photovoltaic cells for generating energy from sunlight, and to better light-emitting diodes (LEDs) that could replace less energy-efficient incandescent light bulbs.
Light twists rigid structures in unexpected nanotech finding
In findings that took the experimenters three years to believe, University of Michigan engineers and their collaborators have demonstrated that light itself can twist ribbons of nanoparticles.
3-D cell culture: Making cells feel right at home
The film "Avatar" isn't the only 3-D blockbuster making a splash this winter. A team of scientists from Houston's Texas Medical Center this week unveiled a new technique for growing 3-D cell cultures, a technological leap from the flat petri dish that could save millions of dollars in drug-testing costs. The research is reported in Nature Nanotechnology.
Look at Mie!
Calculations are fine, but seeing is believing. That's the thought behind a new paper by Rice University students who decided to put to the test calculations made more than a century ago.
Popular nanoparticle causes toxicity in fish, study shows
A nanoparticle growing in popularity as a bactericidal agent has been shown to be toxic to fish, according to a Purdue University study.
Nanotechnology sparks energy storage on paper and cloth
By dipping ordinary paper or fabric in a special ink infused with nanoparticles, Stanford engineer Yi Cui has found a way to cheaply and efficiently manufacture lightweight paper batteries and supercapacitors (which, like batteries, store energy, but by electrostatic rather than chemical means), as well as stretchable, conductive textiles known as "eTextiles" - capable of storing energy while retaining the mechanical properties of ordinary paper or fabric.
Fluorescent probes light up cancerous tumors
Building on his Nobel Prize-winning work creating fluorescent proteins that light up the inner workings of cells, a team of researchers led by Howard Hughes Medical Institute investigator Roger Tsien, PhD, professor of pharmacology, chemistry and biochemistry at the University of California, San Diego and the Moores UCSD Cancer Center has developed biological probes that can stick to and light up tumors in mice.
Nano imagining takes turn for the better
Stephan Link wants to understand how nanomaterials align, and his lab's latest work is a step in the right direction.
More Nanoparticle Current Events and Nanoparticle News Articles
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Nanoparticles: From Theory to Application by Günter Schmid (Editor) An introduction to the science of nanoparticles, from fundamental principles to their use in novel applications. As a basis for understanding nanoparticle behavior, the book first outlines the principles of quantum size behavior, nanoparticles architecture, formation of semiconductor and metal nanoparticles. It then goes on to describe the chemical syntheses of nanoparticles with defined characteristics, their structural, electrical and magnetic properties, as well as current methods to monitor these properties. Among others, the following nanoparticle-based applications are discussed: * Single-electron devices * Ultra dense recording media * Bioelectronic devices and sensors * Labeling of proteins, nucleic acids and other biomaterials. ... |
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Nanoparticles: Building Blocks for Nanotechnology (Nanostructure Science and Technology) by Vincent Rotello (Author) The diverse structures and properties of nanoparticles make them useful tools for both fundamental studies and pragmatic applications in a range of disciplines. This volume is intended to explore this diversity. The first section covers on formation of nanoparticles, and assembly of these systems into structured systems. The second section focuses on both the fundamental physical properties of nanoparticles and pragmatic applications of these systems in the areas of device and materials fabrication. The book will approach the subject from a chemical standpoint, in contrast to most books which are oriented towards materials science or physics. It will also appeal to materials scientists and physicists who are becoming aware of the contributions that chemists can make here. |
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International Journal of Nanoparticles by Inderscience Enterprises Ltd | |
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Nanoparticle Technology Handbook by Masuo Hosokawa (Editor), Kiyoshi Nogi (Editor), Makio Naito (Editor), Toyokazu Yokoyama (Editor) Nanoparticle technology, which handles the preparation, processing, application and characterisation of nanoparticles, is a new and revolutionary technology. It becomes the core of nanotechnology as an extension of the conventional Fine Particle / Powder Technology. Nanoparticle technology plays an important role in the implementation of nanotechnology in many engineering and industrial fields including electronic devices, advanced ceramics, new batteries, engineered catalysts, functional paint and ink, Drug Delivery System, biotechnology, etc.; and makes use of the unique properties of the nanoparticles which are completely different from those of the bulk materials. This new handbook is the first to explain complete aspects of nanoparticles with many application examples showing... |
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Synthesis, Functionalization and Surface Treatment of Nanoparticles by Marie-Isabelle Baraton (Author) Synthesis, functionalization and surface treatment of nanoparticles is an area of crucial importance in the emerging field of nanotechnology. Controlling the surface chemical composition and mastering its modification at the nanometer scale are critical issues for high-added value applications involving nanoparticles. The basic applications of surface functionalization range from altering the wetting or adhesion characteristics and improving the nanoparticles dispersion in matrices to enhancing the catalytic properties and ordering the interfacial region, and such. The creation of specific surface sites on nanoparticles for selective molecular attachment is considered a promising approach for their applications in nanofabrication, nanopatterning, selfassembly, nanosensors, bioprobes, drug... |
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60 Minutes - The Kanzius Machine (April 13, 2008) Airdate: 04/13/08 John Kanzius has no medical degree. In fact, he doesn't even have a college degree. But Kanzius does have terminal cancer, and that has motivated him to invent a radio-wave machine with the idea of treating cancer without the debilitating side effects of chemotherapy and radiation. Lesley Stahl tells this remarkable story of a leukemia patient so moved by the suffering of children with cancer that he has devoted himself to finding a cure. This product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply. |
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Moisturizing Face Screen+, SPF 30, Light Tint by Marie Veronique Organics zinc oxide sunscreen no harmful chemicals no nanoparticles |
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AC Electrokinetic: Colloids and Nanoparticles (Microtechnologies and Microsystems) by Hywel Morgan (Author), Nicolas G. Green (Author) Biologists, physicists and engineers are working together to make ever-smaller devices capable of studying the properties of tiny biological particles. Using nano-electrodes, encapsulated in a device with dimensions of a few hundred millionths of a meter, it is now possible to manipulate and trap single nano-scale biological particles such as a virus. The precisely controlled electric fields generated within the device can be used to trap single particles in field-cages or separate different viruses from each other, for example. This book is an introduction to the science behind the new technology, and explains how the electric field interacts with the particles. It describes how these micro-systems are manufactured and how they are used to study the electrical properties of the... |
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Nanopathology: The Health Impact of Nanoparticles by Antonietta M. Gatti (Author), Stefano Montanari (Author) Enormous funds are currently being invested in nanotechnology, yet very little is known about how its products and by-products can interfere with organisms, both end-users and people involved in their manufacture. Similar scenarios are already widely known in the history of science, such as the exploitation of radioactivity or the controversial issue of genetically modified organisms. As nanoparticles are more or less voluntarily produced, they are almost uncontrollably disseminated in the environment and in organisms, and thus constitute a growing concern. Describing the impact of nanoparticles (and microparticles) on human and animal health, this book offers the first criteria for preventing potential problems deriving from these particles. Contents: How the Whole Thing Began or... |
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Monte Carlo Simulations of Nanoparticle Filled Polymer Nanocomposites - A Novel Approach to Investigate the Effect of Nanofillers on the Conformational ... Matrix: Chain Dimensions go up or down? by Fatih Mehmet Erguney (Author) In the last decade, nanofiller particles have prompted much attention and become a developing field in polymer processing applications. A particle size at nano scale offers an enormous amount of surface area and a great dispersion behavior. Thus, the use of nanofillers is very promising so as to improve the physical properties more effectively than conventional type of fillers. The change in such properties can be related to the subsequent conformational changes, but there is a big controversy for the conformational behavior of polymer chains when perturbed by nanoparticles. The controversy involves the question of whether dimensions go up or down in the presence of energetically neutral filler particles. A new generation of simulation technique has been devoloped in order to incorporate... |
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