Bio & Medicine news
Discovery to aid study of biological structures, molecules
Nanotechnology / Bio & Medicine
Aug 11, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- Researchers in the United States and Spain have discovered that a tool widely used in nanoscale imaging works differently in watery environments, a step toward better using the instrument ...
Tumors feel the deadly sting of nanobees
Nanotechnology / Bio & Medicine
Aug 10, 2009 |
3.9 / 5 (7) |
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(PhysOrg.com) -- When bees sting, they pump poison into their victims. Now the toxin in bee venom has been harnessed to kill tumor cells by researchers at Washington University School of Medicine in St. Louis. The researchers ...
Nanoscale origami from DNA
Nanotechnology / Bio & Medicine
Aug 06, 2009 |
5 / 5 (8) |
2
Scientists at the Technische Universitaet Muenchen (TUM) and Harvard University have thrown the lid off a new toolbox for building nanoscale structures out of DNA, with complex twisting and curving shapes. ...
Live recordings of cell communication
Nanotechnology / Bio & Medicine
Aug 06, 2009 |
3 / 5 (1) |
2
Neurons communicate with each other with the help of nano-sized vesicles. Disruption of this communication process is responsible for many diseases and mental disorders like e.g. depression. Nerve signals travel from one ...
New insights into health and environmental effects of carbon nanoparticles
Nanotechnology / Bio & Medicine
Aug 05, 2009 |
5 / 5 (6) |
2
Carbon nanoparticles are widely used in medicine, electronics, optics, materials science and architecture, but their health and environmental impact is not fully understood.
Nanoparticles cross blood-brain barrier to enable 'brain tumor painting'
Nanotechnology / Bio & Medicine
Aug 03, 2009 |
4.8 / 5 (9) |
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Brain cancer is among the deadliest of cancers. It's also one of the hardest to treat. Imaging results are often imprecise because brain cancers are extremely invasive. Surgeons must saw through the skull ...
Researchers effectively treat tumors with use of nanotubes
Nanotechnology / Bio & Medicine
Aug 03, 2009 |
5 / 5 (9) |
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By injecting man-made, microscopic tubes into tumors and heating them with a quick, 30-second zap of a laser, scientists have discovered a way to effectively kill kidney tumors in nearly 80 percent of mice. Researchers say ...
DNA computation gets logical
Nanotechnology / Bio & Medicine
Aug 03, 2009 |
5 / 5 (12) |
5
Biomolecular computers, made of DNA and other biological molecules, only exist today in a few specialized labs, remote from the regular computer user. Nonetheless, Tom Ran and Shai Kaplan, research students in the lab of ...
Nanotech particles affect brain development in mice
Nanotechnology / Bio & Medicine
Jul 28, 2009 |
4.6 / 5 (7) |
0
Maternal exposure to nanoparticles of titanium dioxide (TiO2) affects the expression of genes related to the central nervous system in developing mice. Researchers writing in BioMed Central's open access journal Particle an ...
Targeted therapy from within
Nanotechnology / Bio & Medicine
Jul 28, 2009 |
5 / 5 (4) |
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A group of researchers at Johns Hopkins University has designed nanoparticles that can carry cancer-treating radioisotopes through the body and deliver them selectively to tumors. Today in Anaheim, CA, they will report the ...
All-in-one nanoparticle: A Swiss Army knife for nanomedicine
Nanotechnology / Bio & Medicine
Jul 27, 2009 |
5 / 5 (3) |
1
Nanoparticles are being developed to perform a wide range of medical uses - imaging tumors, carrying drugs, delivering pulses of heat. Rather than settling for just one of these, researchers at the University ...
Nanodiamonds deliver insulin for wound healing
Nanotechnology / Bio & Medicine
Jul 27, 2009 |
4.7 / 5 (7) |
7
(PhysOrg.com) -- Bacterial infection is a major health threat to patients with severe burns and other kinds of serious wounds such as traumatic bone fractures. Recent studies have identified an important new weapon for fighting ...
New Nanoparticles Could Revolutionize Therapeutic Drug Discovery
Nanotechnology / Bio & Medicine
Jul 24, 2009 |
5 / 5 (1) |
0
Understanding the structure of proteins is a vital first step in developing new drugs, but to date, researchers have had difficulty studying the large number of proteins that are normally embedded in the cell membrane, a ...
Quantum dot research could lead to medical advances
Nanotechnology / Bio & Medicine
Jul 24, 2009 |
not rated yet |
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(PhysOrg.com) -- Working with atomic-scale particles known as quantum dots, a Missouri University of Science and Technology biologist hopes to develop a new and better way to deliver and monitor proteins, medicine, DNA and ...
Monitoring Cancer Cell Changes With Quantum Dots
Nanotechnology / Bio & Medicine
Jul 23, 2009 |
5 / 5 (1) |
0
One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...
