Researchers designed nanoparticles that can deliver mRNA gene editing solutions directly to the lungs to address rare genetic diseases.
Category: nanotechnology – Page 122
Year 2022 đ
Bar-Ilan University researchers have developed a new technology that enables the use of nanoparticles to assist the bodyâs immune system to fight cancer.
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According to the research, published in the journal EMBO Molecular Medicine, the nanoparticles are used to eliminate obstacles in the malignant tumorâs environment that impede the normal activity of natural killer cells (a special sub-type of white blood cells called lymphocytes).
MIT engineers have designed a two-component system that can be injected into the body and help form blood clots at the sites of internal injury. These materials, which mimic the way that the body naturally forms clots, could offer a way to keep people with severe internal injuries alive until they can reach a hospital.
In a mouse model of internal injury, the researchers showed that these componentsâa nanoparticle and a polymerâperformed significantly better than hemostatic nanoparticles that were developed earlier.
âWhat was especially remarkable about these results was the level of recovery from severe injury we saw in the animal studies. By introducing two complementary systems in sequence it is possible to get a much stronger clot,â says Paula Hammond, an MIT Institute Professor, the head of MITâs Department of Chemical Engineering, a member of the Koch Institute for Integrative Cancer Research, and one of the senior authors of a paper on the study.
A Re-Edited version of Aldous Huxleys classic, Brave New WorldâŠ
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Materials developed through nanotechnology may have unique properties and capabilities weâve never seen before.
Machines that consist of two coupled biomolecules trade thermodynamic efficiency for operating speed.
A new gel-based treatment for glioblastomaâa highly aggressive form of brain cancerâhas shown to be 100% effective at preventing recurrence in mice. Researchers hope the therapy will translate well into human physiology, where it could help resolve tens of thousands of cancer diagnoses every year.
Glioblastoma manifests as a tumor growing on the brain or spinal cord. While many glioblastoma patients have the tumor surgically removed, the mass often returns, even in cases involving post-surgical radiation or chemotherapy. The disease is so persistent that the average patient lives only 12 to 16 months after diagnosis, making glioblastoma one of the most lethal forms of cancer currently understood.
Researchers at Johns Hopkins University are working to improve patientsâ life expectancies using an injectable gel that blocks cancerâs path. According to a paper published Tuesday in Proceedings of the National Academy of Sciences, the gel is made up of nano-sized filaments derived from the drug paclitaxel, which is used alongside chemotherapy to treat other forms of cancer. The gel serves as a vehicle for aCD47, an antibody that prompts macrophages to ingest tumor cells.
Nagoya University.
Nagoya University, sometimes abbreviated as NU, is a Japanese national research university located in Chikusa-ku, Nagoya. It was the seventh Imperial University in Japan, one of the first five Designated National University and selected as a Top Type university of Top Global University Project by the Japanese government. It is one of the highest ranked higher education institutions in Japan.
Scientists have demonstrated that nanowire networks can exhibit short-and long-term memory, similar to the human brain. These networks, comprised of highly conductive silver wires covered in plastic and arranged in a mesh-like pattern, mimic the physical structure of the human brain. The team successfully tested the nanowire networkâs memory capabilities using a task similar to human psychology experiments. This breakthrough in nanotechnology suggests that non-biological hardware systems could potentially replicate brain-like learning and memory, and has numerous real-world applications, such as improving robotics and sensor devices in unpredictable environments.
In a groundbreaking study, an international team has shown that nanowire networks can mimic the short-and long-term memory functions of the human brain. This breakthrough paves the way for replicating brain-like learning and memory in non-biological systems, with potential applications in robotics and sensor devices.
An international team led by scientists at the University of Sydney has demonstrated nanowire networks can exhibit both short-and long-term memory like the human brain.
Sometimes to make big breakthroughs, you have to start very small.
One way that scientists can get the most out of certain quantum materials is by fabricating nanoscale structures that generate new properties at the materialâs surfaces and edges. Cornell researchers used the relatively straightforward process of thermomechanical nanomolding to create single-crystalline nanowires that can enable metastable phases that would otherwise be difficult to achieve with conventional methods.
âWeâre really interested in this synthesis method of nanomolding because it allows us to make many different kinds of materials into nanoscale quickly and easily, yet with some of the control that other nanomaterial synthesis methods lack, particularly control over the morphology and the size,â said Judy Cha, professor of materials science and engineering in Cornell Engineering, who led the project.