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Nanotechnology in Oncology :

Using nanotechnology to improve a cancer treatment.June 28,2010.

Harvard and Brigham and Women’s Hospital researchers have devised a method that may allow clinicians to use higher doses of a powerful chemotherapy drug that has been limited because it is toxic not only to tumors but to patients' kidneys.Source:Harvard University

Imec reports asymetric nanostructures for early and more accurate prediction of cancer.June 23,2010.

Researchers at the nanotechnology research center Imec (Belgium) have demonstrated biosensors based on novel nanostructure geometries that increase the sensitivity and allow to detect extremely low concentrations of specific disease markers. This paves the way to early diagnostics of for example cancer by detecting low densities of cancer markers in human blood samples.Source:IMEC

Engineers turn a drawback - the stickiness of gold nanoparticles - into an advantage.June 11,2010.

A new use for gold Using tiny gold particles and infrared light, MIT researchers have developed a drug-delivery system that allows multiple drugs to be released in a controlled fashion.Such a system could one day be used to provide more control when battling diseases commonly treated with more than one drug, according to the researchers."With a lot of diseases, especially cancer and AIDS, you get a synergistic effect with more than one drug," said Kimberly Hamad-Schifferli, assistant professor of biological and mechanical engineering and senior author of a paper on the work that recently appeared in the journal ACS Nano.Source:Massachusetts Institute of Technology

Nano-Bio-Chip Checks for Oral Cancer.May 28,2010.

The gentle touch of a brush on the tongue or cheek can help detect oral cancer with success rates comparable to more invasive techniques like biopsies, according to preliminary studies by researchers at Rice University, the University of Texas Health Science Centers at Houston and San Antonio and the University of Texas M.D. Anderson Cancer Center. A new test that uses Rice's diagnostic nano-bio-chip was found to be 97 percent "sensitive" and 93 percent specific in detecting which patients had malignant or premalignant lesions, results that compared well with traditional tests.Source:National Cancer Institute

Novel Nanoparticles Prevent Radiation Damage During Cancer Therapy.May 27,2010.

Nanoparticles covered with the natural pigment melanin may protect bone marrow from the harmful effects of anticancer radiation therapy, according to scientists at Albert Einstein College of Medicine of Yeshiva University who successfully tested the strategy in mouse models. The results of this research, which was directed by Ekaterina Dadachova, were published in the International Journal of Radiation Oncology, Biology and Physics.Source:National Cancer Institute

Silica cages help anti-cancer antibodies kill tumors in mice.May 21,2010.

Silica cages help anti-cancer antibodies kill tumors in mice Packaging anti-cancer drugs into particles of chemically modified silica improve the drugs' ability to fight skin cancer in mice, according to new research. Results published May 3 in the Journal of the American Chemical Society online show the honeycombed particles can help anti-cancer antibodies prevent tumor growth and prolong the lives of mice.Source:University of Washington

Nanoparticles Provide a Targeted Version of Photothermal Therapy for Cancer.April 23,2010.

Using easily prepared gold nanocages that are able to escape from the blood stream and accumulate in tumors, a team of investigators from the Washington University in St. Louis has shown that they can use laser light to kill human tumors in mice. The results of this study, which was led by Younan Xia and Michael Welch, have been published in the journal Small.Source:National Cancer Institute

Nanophysics,Nanosciences,Nanochemistry:

How low can you go? Researchers make magnetic sheets just nanometers thick.June 18,2010.

Researchers grow films with magnetic properties Using cutting-edge spectroscopy at atomic resolutions, researchers have discovered how to grow ultra-thin manganite films while retaining their magnetic properties.Materials do funny things at the nanoscale. A metal oxide complex called lanthanum strontium manganite is ferromagnetic in large quantities. But scaled to nanometer thickness, it becomes an insulator and loses much of its ferromagnetism. Same material, different behavior.Source:Cornell University

For the first time, researchers observe graphene sheets becoming buckyballs.June 11,2010.

For the first time, researchers observe graphene sheets becoming buckyballs Peering through a transmission electron microscope (TEM), researchers from Germany, Spain, and the UK have observed graphene sheets transforming into spherical fullerenes, better known as buckyballs, for the first time. The experiment could shed light on the process of how fullerenes are formed, which has so far remained mysterious on the atomic scale.Source:PhysOrg.com

Applied physicists create building blocks for a new class of optical circuits.May 28,2010.

CAMBRIDGE, Mass., May 27, 2010 – Imagine creating novel devices with amazing and exotic optical properties not found in Nature—by simply evaporating a droplet of particles on a surface.By chemically building clusters of nanospheres from a liquid, a team of Harvard researchers, in collaboration with scientists at Rice University, the University of Texas at Austin, and the University of Houston, has developed just that.Source:Harvard University

Plasmonic Promises: First Observation of Plasmarons in Graphene.May 20,2010.

Plasmonic Promises: First Observation of Plasmarons in Graphene BERKELEY, CA—Scientists working at the Advanced Light Source (ALS) at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory have discovered striking new details about the electronic structure of graphene, crystalline sheets of carbon just one atom thick. An international team led by Aaron Bostwick and Eli Rotenberg of the ALS found that composite particles called plasmarons play a vital role in determining graphene’s properties.Source:Lawrence Berkeley National Laboratory

NanoMaterials,NanoComposites,NanoPolymers:

Graphene 2.0: A new approach to making a unique material.July 1,2010.

Graphene 2.0: A new approach to making a unique material Since its discovery, graphene an unusual and versatile substance composed of a single-layer crystal lattice of carbon atoms—has caused much excitement in the scientific community. Now, Nongjian(NJ) Tao, a researcher at the Biodesign Institute at Arizona State University has hit on a new way of making graphene, maximizing the material's enormous potential, particularly for use in high-speed electronic devices.Along with collaborators from Germany's Max Planck Institute, the Department of Materials Science and Engineering, University of Utah, and Tsinghua University, Beijing, Tao created a graphene transistor composed of 13 benzene rings.Source:Arizona State University

Scientists Strive to Replace Silicon with Graphene on Nanocircuitry.June 10,2010.

Scientists Strive to Replace Silicon with Graphene on Nanocircuitry Scientists have made a breakthrough toward creating nanocircuitry on graphene, widely regarded as the most promising candidate to replace silicon as the building block of transistors. They have devised a simple and quick one-step process based on thermochemical nanolithography (TCNL) for creating nanowires, tuning the electronic properties of reduced graphene oxide on the nanoscale and thereby allowing it to switch from being an insulating material to a conducting material.Source:Georgia Institute of Technology

Nanostructures,NanoCapsules,NanoFilms:

Optical Legos:Building nanoshell structures: Self-assembly method yields materials with unique optical properties.May 27,2010.

Optical Legos: Building nanoshell structures Scientists from four U.S. universities have created a way to use Rice University's light-activated nanoshells as building blocks for 2-D and 3-D structures that could find use in chemical sensors, nanolasers and bizarre light-absorbing metamaterials. Much as a child might use Lego blocks to build 3-D models of complex buildings or vehicles, the scientists are using the new chemical self-assembly method to build complex structures that can trap, store and bend light.Source:Rice University

Nanocapsule delivers radiotherapy.May 26,2010.

Nanocapsule delivers radiotherapy ‘Hot’ nanocapsules can deliver targeted radiotherapy to individual organs, new research has shown.A team, including Ben Davis and Malcolm Green of Oxford University’s Department of Chemistry, report in Nature Materials how they created a ‘cage’ out of a single-walled carbon nanotube and then filled this tube with molten radioactive metal halide salts.Once the cage, and its cargo of salts, cooled the ends of the tube sealed to create a tiny radioactive nanocapsule with a ‘sugary’ outer surface that helps to improve its compatibility inside the body.Source:Oxford University

NanoTubes:

Nanotube transistor controlled by ATP could improve man-machine communication.May 13,2010.

Scientists have built a hybrid bionanoelectronic transistor that can be powered by ATP, or adenosine triphosphate, the energy currency in living cells. The researchers, Aleksandr Noy and colleagues from Lawrence Livermore National Lab, claim that the new transistor is the first integrated bioelectronic system, and could provide a way to integrate electronics with the body.Source:PhysOrg.com

Nanoparticls:

Tracking the 'evolution' of nanoparticles as they decontaminate groundwater.June 18,2010.

Iron nanoparticles 1,000 times thinner than a human hair have demonstrated an unprecedented ability to clean contaminated groundwater since they were invented 10 years ago at Lehigh.The palladium-coated particles have remediated more than 50 toxic waste sites in the U.S. and other countries in one-tenth the time, and at a much greater economy of scale, than traditional “pump and treat” methods.Source:Lehigh University

NanoSurface,NanoCoats:

Researchers 'design' therapeutic coatings of silver.July 5,2010.

Researchers 'design' therapeutic coatings of silver Empa researchers have demonstrated how they can adjust process conditions to influence the properties of novel plasma polymer coatings containing silver nanoparticles. Tailor-made films can be generated through a one-step plasma process. The scientists developed these new coatings, which kill bacteria while having no negative effect on human tissue, in the frame of an EU project.Source:EMPA

Depth Change: Using Atomic Force Microscopy to Study Subsurface Structures.June 24,2010.

Over the past couple of decades, atomic force microscopy (AFM) has emerged as a powerful tool for imaging surfaces at astonishing resolutions—fractions of a nanometer in some cases. But suppose you're more concerned with what lies below the surface? Researchers at the National Institute of Standards and Technology have shown that under the right circumstances, surface science instruments such as the AFM can deliver valuable data about sub-surface conditions.Source:National Institute of Standards and Technology

Researchers develop ultra-simple method for creating nanoscale gold coatings.June 16,2010.

Researchers develop ultra-simple method for creating nanoscale gold coatings Researchers at Rensselaer Polytechnic Institute have developed a new, ultra-simple method for making layers of gold that measure only billionths of a meter thick. The process, which requires no sophisticated equipment and works on nearly any surface including silicon wafers, could have important implications for nanoelectronics and semiconductor manufacturing.Source:Rensselaer Polytechnic Institute

NanoMedicine,Clinical NanoMedicine:

Nano-sand to improve lotions and cosmetics.July 5,2010.

Nano-sand to improve lotions and cosmetics South Australian researchers have invented and patented a new technology for delivering cosmetics and drugs to the skin. They are using nanoparticles of silica (essentially sand) to create longer lasting cosmetics and creams that control the delivery of drugs through the skin.Source:Physorg.com

Spaghetti highway for cells: Noodle-shaped string of aligned nanofibers promises better tissue regeneration.June 25,2010.

Spaghetti highway for cells: Noodle-shaped string of aligned nanofibers promises better tissue regeneration EVANSTON, Ill. - A big question in regenerative medicine is how to most effectively deliver stem cells as well as other beneficial cells, proteins and large molecules to damaged tissues such as the spinal cord, heart and brain.A Northwestern University team is the first to demonstrate a method that delivers cells in the same alignment as the cells found in these tissues, which could jumpstart new growth and healing. The findings are published as the cover story in the July issue of the journal Nature Materials.Source:Northwestern University

NanoPharms:

Chemists mimic library of bio-membranes for use in nanomedicine,drug delivery.May 20,2010.

Penn-led collaboration mimics library of bio-membranes for use in nanomedicine, drug delivery An international collaboration led by chemists and engineers from the University of Pennsylvania has prepared a library of synthetic biomaterials that mimic cellular membranes and that show promise in targeted delivery of cancer drugs, gene therapy, proteins, imaging and diagnostic agents and cosmetics safely to the body in the emerging field called nanomedicine.Source:University of Pennsylvania

Molecule-sized bait used by researchers to fish for new drug targets.May 14,2010.

Molecule-sized bait used by UCLA research team to fish for new drug targets

UCLA researchers and their collaborators have developed a method that could open the door for investigations into the function of half of all proteins in the human body.The research team has demonstrated nanoscale control over molecules, allowing for the precise study of interactions between proteins and small molecules. Their new technique, in which molecules are used as bait to capture and study large biomolecules, could lead to a new generation of psychiatric medications.Source:University of California Los Angeles

NanoImplants,Nanodentistry:

Nano-sized advance toward next big treatment era in dentistry.June 30,2010.

Nano-sized advance toward next big treatment era in dentistry Scientists are reporting an advance toward the next big treatment revolution in dentistry — the era in which root canal therapy brings diseased teeth back to life, rather than leaving a "non-vital" or dead tooth in the mouth. In a report in the journal ACS Nano, they describe a first-of-its-kind, nano-sized dental film that shows early promise for achieving this long-sought goal.Source:American Chemical Society

Nanotubes that Heal: Engineering Better Orthopedic Implants.May 18,2010.

Nanotubes that Heal: Engineering Better Orthopedic Implants Titanium and its alloys have a leg up on all other materials used to make the orthopedic implants used by surgeons to repair damaged bones and joints. They are light, super-strong, and virtually inert inside the body. But whether the implants are destined for your knee, your hip, your spine or your jaw, the silvery metal has one big drawback.Source:Michigan Technological University

NanoBiology,NanoBotanics,NanoAgriculture:

DNA could be backbone of next generation logic chips.May 11,2010.

DNA could be backbone of next generation logic chips DURHAM, N.C. In a single day, a solitary grad student at a lab bench can produce more simple logic circuits than the world’s entire output of silicon chips in a month.So says a Duke University engineer, who believes that the next generation of these logic circuits at the heart of computers will be produced inexpensively in almost limitless quantities. The secret is that instead of silicon chips serving as the platform for electric circuits, computer engineers will take advantage of the unique properties of DNA, that double-helix carrier of all life’s information.Source:Duke University

Photovoltaics(PV):

Highly efficient solar cells could result from quantum dot research.June 17,2010.

Highly efficient solar cells could result from quantum dot research Conventional solar cell efficiency could be increased from the current limit of 30 percent to more than 60 percent, suggests new research on semiconductor nanocrystals, or quantum dots, led by chemist Xiaoyang Zhu at The University of Texas at Austin.Zhu and his colleagues report their results in this week’s Science.The scientists have discovered a method to capture the higher energy sunlight that is lost as heat in conventional solar cells.Source:University of Texas at Austin

Silicon nanohole solar cells aim to make photovoltaics cost-competitive.May 7,2010.

Silicon nanohole solar cells aim to make photovoltaics cost-competitive Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been doubling every two years, making it the world’s fastest-growing energy technology. However, the overall energy conversion efficiency of photovoltaics is still too low to be cost-competitive with fossil fuels, and so it has not been widely deployed.Source:Physorg.com

Renewible Energy:

NanoElectronics:

Nanowires for the electronics and optoelectronics of the future.June 23,2010.

Nanowires for the electronics and optoelectronics of the future The tale begins with a feasibility study on the manufacture of colored fluorescing thin films for optical safety applications. An EU project on the development of novel gas sensors followed. In the meantime, Empa researchers have successfully synthesized complex organic nanowires and managed to attach them together with electrically conducting links – the first step towards the future production of electronic and optoelectronic components.Source:EMPA

Organic nanoelectronics a step closer: Researchers use metal crystal to organize organic materials.June 15,2010.

Organic nanoelectronics a step closer Although they could revolutionize a wide range of high-tech products such as computer displays or solar cells, organic materials do not have the same ordered chemical composition as inorganic materials, preventing scientists from using them to their full potential. But an international team of researchers led by McGill's Dr. Dmitrii Perepichka and the Institut national de la recherche scientifique's Dr. Federico Rosei have published research that shows how to solve this decades-old conundrum. The team has effectively discovered a way to order the molecules in the PEDOT, the single most industrially important conducting polymer.Source:McGill University

MicroElelectroMechanical Systems,NanoElectroMecanicals Systems:

NanoDevices:

Self-assembling devices: Design and synthesis of organic devices.June 14,2010.

Self-assembling devices: Design and synthesis of organic devices Organic devices have greatly benefited from the remarkable advances in synthetic organic chemistry that have allowed for the synthesis of a wide variety of π-conjugated molecules with attractive electronic functions.Source:Physorg.com

Researchers print field-effect transistors with nano-infused ink.May 25,2010.

Researchers print field-effect transistors with nano-infused ink Rice University researchers have discovered thin films of nanotubes created with ink-jet printers offer a new way to make field-effect transistors (FET), the basic element in integrated circuits.While the technique doesn't exactly scale down to the levels required for modern microprocessors, Rice's Robert Vajtai hopes it will be useful to inventors who wish to print transistors on materials of any kind, especially on flexible substrates.Source:Rice University

Graphene transistor could advance nanodevices.May 11,2010.

Graphene transistor For years, scientists and researchers have been looking into the properties of carbon nanotubes and graphene for use in nanoelectronics. "There is no real mass application of devices based on graphene and carbon nanotubes," Zhenxing Wang tells PhysOrg.com. "This is really an opportunity for them to show their capabilities."Source:PhysOrg.com

NanoRobots:

Molecular Robots On the Rise.May 12, 2010

Molecular robots on the rise Researchers from Columbia University, Arizona State University, the University of Michigan and the California Institute of Technology (Caltech) have created and programmed robots the size of single molecule that can move independently across a nano-scale track. This development, outlined in the May 13 edition of the journal Nature, marks an important advancement in the nascent fields of molecular computing and robotics, and could someday lead to molecular robots that can fix individual cells or assemble nanotechnology products.Source:National Science Foundation

NanoDanger,NanoSafety:

Quantum Computers:

Scientists Advance Quantum Computing & Energy Conversion Tech.June 30,2010.

Scientists Advance Quantum Computing & Energy Conversion Tech COLLEGE PARK, Md. Using a unique hybrid nanostructure, University of Maryland researchers have shown a new type of light-matter interaction and also demonstrated the first full quantum control of qubit spin within very tiny colloidal nanostructures (a few nanometers), thus taking a key step forward in efforts to create a quantum computer.Source:University of Maryland

How Quantum Computer Work.May 20,2010.

The massive amount of processing power generated by computer manufacturers has not yet been able to quench our thirst for speed and computing capacity. In 1947, American computer engineer Howard Aiken said that just six electronic digital computers would satisfy the computing needs of the United States. Others have made similar errant predictions about the amount of computing power that would support our growing technological needs.Source:howstuffworks

ISRAEL NANOTECH AND BIOTECH NEWS:

Nanotechnology in Oncology :

Nanophysics,Nanosciences,Nanochemistry:

The discovery of a new type of supernova may shed light on some universal mysteries.May 20,2010.

Not all explosions are created equal: It’s as true for film effects as it is for the stars. Yet, until now, scientists had only observed two basic kinds of exploding stars, known as supernovae. Now, scientists at the Weizmann Institute of science, in collaboration with others around the world, have identified a third type of supernova. Their findings appeared this week in Nature.Source:Weizmann Institute

NanoMaterials,NanoComposites,NanoPolymers:

Nanoparticls:

Shlomo Magdassi, Michael Grouchko, Oleg Berezin and Alexander Kamyshny.Casali Institute for Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem,Triggering the Sintering of Silver Nanoparticles at Room Temperature.ACS Nano, 2010, 4 (4), pp 1943–1948

Nanostructures,NanoCapsules,NanoFilms:

NanoTubes:

NanoSurface,NanoCoasts:

Michael Layani, Michael Gruchko, Oded Milo, Isaac Balberg, Doron Azulay and Shlomo Magdassi.Casali Institute of Applied Chemistry, Institute of Chemistry Racah Institute of Physics, The Hebrew University of Jerusalem.Transparent Conductive Coatings by Printing Coffee Ring Arrays Obtained at Room Temperature.ACS Nano, 2009, 3 (11), pp 3537–3542

NanoMedicine,Clinical NanoMedicine:

A Gene that Ties Stress to Obesity and Diabetes.April 18,2010.

The constant stress that many are exposed to in our modern society may be taking a heavy toll: Anxiety disorders and depression, as well as metabolic (substance exchange) disorders, including obesity, type 2 diabetes and arteriosclerosis, have all been linked to stress. These problems are reaching epidemic proportions: Diabetes, alone, is expected to affect some 360 million people worldwide by the year 2030. While anyone who has ever gorged on chocolate before an important exam understands, instinctively, the tie between stress, changes in appetite and anxiety-related behavior, the connection has lately been borne out by science, though the exact reasons for this haven’t been crystal clear. Dr. Alon Chen of the Weizmann Institute’s Neurobiology Department and his research team have now discovered that changes in the activity of a single gene in the brain not only cause mice to exhibit anxious behavior, but also lead to metabolic changes that cause the mice to develop symptoms associated with type 2 diabetes. These findings were published online this week in the Proceedings of the National Academy of Sciences (PNAS).Source:Weizmann Institute

NanoBiology,NanoBotanics,NanoAgriculture:

NanoPharms:

Katrin Margulis-Goshen, Ellina Kesselman, Dganit Danino and Shlomo Magdassi.Casali Institute of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem,Department of Biotechnology and Food Engineering, Technion Israel Institute of Technology, Haifa, Israel,Russell Berrie Nanotechnology Institute, Technion Israel Institute of Technology, Haifa, Israel.Formation of celecoxib nanoparticles from volatile microemulsions.International Journal of Pharmaceuticals.Valume 393,Issues 1-2,30,June 2010,Pages 231-238.

NanoImplants:

Photovoltaics(PV):

Renewible Energy:

NanoElectronics:

J. Yoon, A. M. Girgis, I. Shalish, L. R. Ram-Mohan, V. Narayanamurti "Size-dependent impurity activation energy in GaN nanowires"Applied Physics Letters , 94, 142102 (2009 )

I. Shalish, G. Seyogin, W.Yi, J. Bao, M.A Zimmler, E. Likovich, D.C. Bell, F. Capasso, V. Narayanamurti
"Epitaxial catalyst-free growth of InN Nanorods on c-plane sapphire" Nanoscale Research Letters , 4, 519 (2009)

MicroElelectroMechanical Systems,NanoElectroMecanicals Systems:

NanoDevices:

NanoRobots:

NanoDanger,NanoSafety: