Nanotechnology News and Research

RSS

Optical and magnetic resonance imaging of cell death and platelet activation using annexin A5-functionalized quantum dots

By combining a quantum dot with a novel carrier of the magnetic resonance imaging (MRI) agent gadolinium, a team of investigators at the University of Maastricht, in The Netherlands, has developed a nanoparticle that can spot apoptosis, or programmed cell death, using both MRI and fluorescence imaging.

8 Jan 2007

Dendrimer-encapsulated camptothecins

With an eye toward developing a delivery vehicle for anticancer agents that are poorly soluble in water, a research team at Boston University and the Research Triangle Institute (RTI) has developed a biocompatible dendrimer that wraps itself around water-insoluble drugs.

8 Jan 2007

In vivo biodistribution and highly efficient tumour targeting of carbon nanotubes in mice

In the first experiment of its kind, investigators at the Center for Cancer Nanotechnology Excellence Focused on Therapy Response (CCNE-TR), based at Stanford University, have shown that single-walled carbon nanotubes (SWCNTs) wrapped in poly(ethylene glycol), or PEG, can successfully target tumors in living animals.

8 Jan 2007

Rapid and label-free nanomechanical detection of biomarker transcripts in human RNA

Researchers from the Swiss Nanoscience Institute in Basel have developed a rapid method to detect the activity of a gene involved in controlling tumor growth.

18 Dec 2006

Characterizing the environmental, health, and safety implications of nanotechnology

A new analysis of the Federal government’s efforts to study the environmental, health, and safety (EHS) implications of nanotechnology concludes that sound management will play as important a role as good science when it comes to addressing these concerns.

18 Dec 2006

In vivo tumor targeting and radionuclide imaging with self-assembled nanoparticles

In an attempt to determine what factors make one nanoparticle better than another at targeting tumors, a team of investigators in Korea have conducted a systematic tumor-targeting study of a variety of self-assembling nanoparticles.

18 Dec 2006

Better magnetic nanoparticles

Using a polymer coating designed to resemble the outer surface of a cell membrane, a team of investigators led by Steve Armes, Ph.D., of the University of Sheffield in the United Kingdom, has created a highly stable, biocompatible magnetic nanoparticle expected to improve the sensitivity of magnetic resonance imaging (MRI).

18 Dec 2006

New X-ray microscope shows nanomaterials in 3D

Using a new x-ray microscope that can look at nanomaterials in three dimensions, an international research team has produced the first detailed atomic structure of a core-shell nanoparticle.

18 Dec 2006

Aptamer-capped nanocrystal quantum dots

Quantum dots, used increasingly as bright fluorescent markers in basic research and diagnostic assays, must be coated, or capped, with one of a wide variety of organic molecules in order to stabilize these nanocrystals and prevent them from aggregating when added to water.

18 Dec 2006

Nanostructured calcium phosphates (NanoCaPs) for non-viral gene delivery

Though gene therapies hold great promise for treating cancer, it has proven difficult to deliver therapeutic genes efficiently into cancer cells.

18 Dec 2006

Mammalian pharmacokinetics of carbon nanotubes using intrinsic near-infrared fluorescence

In the first experiments of their kind, researchers have determined that carbon nanotubes injected directly into the bloodstream of research lab animals cause no immediate adverse health effects and circulate for more than one hour before they are removed by the liver.

18 Dec 2006

Dual-mode nanoparticle probes for high-performance magnetic resonance and fluorescence imaging of neuroblastoma

Nanoscale, inorganic fluorescent imaging agents such as quantum dots have become an important tool for researchers studying key biomolecules involved in cancer.

18 Dec 2006

FeCo/graphitic-shell nanocrystals as advanced magnetic-resonance-imaging and near-infrared agents

Alloys of iron and cobalt generate powerful magnetic signals that could be useful in nanoparticles designed to detect tumors using magnetic resonance imaging (MRI).

18 Dec 2006

Vascular targeted nanoparticles for imaging and treatment of brain tumors

Combining two promising approaches to diagnosing and treating cancer, a multidisciplinary research team at the University of Michigan has created a targeted multifunctional polymer nanoparticle that successfully images and kills brain tumors in laboratory animals.

4 Dec 2006

Biofunctional organic nanocrystals for quantitative detection of pathogen deoxyribonucleic acid

Waiting a day or more to get lab results back from the doctor's office soon could become a thing of a past.

4 Dec 2006

High throughput quantification of protein expression of cancer antigens in tissue microarray using quantum dot nanocrystals

In attempt to identify biological markers, or biomarkers, that can signal the presence of cancer and help oncologists determine the best course of therapy when cancer is present, teams of investigators are scouring stored tissue samples obtained from thousands of cancer patients.

4 Dec 2006

Nonlithographic fabrication of microfluidic devices

Typically, researchers create microfluidic devices using the same lithographic techniques and tools used to fabricate computer chips. Lithography is expensive and slow, factors that could limit the ultimate utility of microfluidic devices in clinical applications.

4 Dec 2006

Nanotechnology continues to advance anticancer gene therapy

Given that cancer is a disease in which genetic errors play a major role, it should come as no surprise that many experts envision a time when gene therapy will play an equally important role in the treatment of cancer.

20 Nov 2006

Low-field magnetic separation of monodisperse Fe3O4 nanocrystals

Whether the goal is to separate different types of cells or molecules, methods that rely on the age-old principle of magnetism are a staple among researchers.

20 Nov 2006

Watching a tumor cell migrate

Using a microfluidics device designed to reproduce the physical microenvironment of small blood vessels and the spaces between cells, researchers at the National University of Singapore have imaged single tumor cells deforming as they migrate through the device.

20 Nov 2006

Nanotechnology News and Research

Optical and magnetic resonance imaging of cell death and platelet activation using annexin A5-functionalized quantum dots

Dendrimer-encapsulated camptothecins

In vivo biodistribution and highly efficient tumour targeting of carbon nanotubes in mice

Rapid and label-free nanomechanical detection of biomarker transcripts in human RNA

Characterizing the environmental, health, and safety implications of nanotechnology

In vivo tumor targeting and radionuclide imaging with self-assembled nanoparticles

Better magnetic nanoparticles

New X-ray microscope shows nanomaterials in 3D

Aptamer-capped nanocrystal quantum dots

Nanostructured calcium phosphates (NanoCaPs) for non-viral gene delivery

Mammalian pharmacokinetics of carbon nanotubes using intrinsic near-infrared fluorescence

Dual-mode nanoparticle probes for high-performance magnetic resonance and fluorescence imaging of neuroblastoma

FeCo/graphitic-shell nanocrystals as advanced magnetic-resonance-imaging and near-infrared agents

Vascular targeted nanoparticles for imaging and treatment of brain tumors

Biofunctional organic nanocrystals for quantitative detection of pathogen deoxyribonucleic acid

High throughput quantification of protein expression of cancer antigens in tissue microarray using quantum dot nanocrystals

Nonlithographic fabrication of microfluidic devices

Nanotechnology continues to advance anticancer gene therapy

Low-field magnetic separation of monodisperse Fe3O4 nanocrystals

Watching a tumor cell migrate

Expanding research and clinical options for children with cancer

Examining how pain could play a direct protective role in the gut

From Puberty to Menopause: Clue’s CEO, Audrey Tsang on the Power of Femtech

Latest News