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Archive for the ‘nanotechnology’ category: Page 64

Jun 15, 2023

Tiny nanopores can contribute to faster identification of diseases

Posted by in categories: biotech/medical, chemistry, nanotechnology

In a collaboration with Groningen University, Professor Jørgen Kjems and his research group at Aarhus University have achieved a remarkable breakthrough in developing tiny nano-sized pores that can contribute to better possibilities for, among other things, detecting diseases at an earlier stage.

Their work, recently published in the journal ACS Nano, shows a new innovative method for finding specific proteins in complex biological fluids, such as blood, without having to label the proteins chemically. The research is an important milestone in , and could revolutionize medical diagnostics.

Nanopores are tiny channels formed in materials, that can be used as sensors. The researchers, led by Jørgen Kjems and Giovanni Maglia (Groningen Univ.), have taken this a step further by developing a special type of called ClyA with scanner molecules, called nanobodies, attached to it.

Jun 13, 2023

New material transforms light, creating new possibilities for sensors

Posted by in categories: biotech/medical, chemistry, nanotechnology, solar power

A group of scientists and engineers that includes researchers from The University of Texas at Austin have created a new class of materials that can absorb low energy light and transform it into higher energy light. The new material is composed of ultra-small silicon nanoparticles and organic molecules closely related to ones utilized in OLED TVs. This new composite efficiently moves electrons between its organic and inorganic components, with applications for more efficient solar panels, more accurate medical imaging and better night vision goggles.

The material is described in a new paper in Nature Chemistry.

“This process gives us a whole new way of designing materials,” said Sean Roberts, an associate professor of chemistry at UT Austin. “It allows us to take two extremely different substances, silicon and , and bond them strongly enough to create not just a mixture, but an entirely new hybrid material with properties that are completely distinct from each of the two components.”

Jun 12, 2023

Novak Djokovic wins French Open with his ‘nanotech’ patch, but what is it?

Posted by in category: nanotechnology

Called TaoPatch, the device has nanocrystals that use body heat to function, but does it really work?

Serbian tennis player Novak Djokovic secured his name in tennis history by winning a record 23rd Grand Slam tournament at the French Open in Paris last night, defeating the Norwegian Casper Ruud in the final.

The win takes him ahead of Spaniard Rafael Nadal (22) and Swiss legend Roger Federer (20) for the most Grand Slam wins ever n the history of the sport.

Jun 12, 2023

Revolution in neuroscience: 2D nanomaterials propel advances in brain repair, treatment, and diagnosis

Posted by in categories: nanotechnology, neuroscience

Review discusses the increasing importance of two-dimensional nanomaterials like graphene in neuroscience, highlighting their potential in nerve repair, creating brain-mimicking synaptic devices, and treating neurological disorders. It also considers the challenges and future prospects of these materials in this complex field.

Jun 11, 2023

Warhammer 40K: Necron Hypertech

Posted by in categories: biotech/medical, nanotechnology

Today Loremasters we explore some of hyper technology of the Necrons – the World Engine, Celestial Orrery & the Dolmen Gates.

Masters of Material Technology

The Necrons are the masters of Material technology, and their technological feats may seem magical to lesser races. Their technological masters, Crypteks, can manipulate matter at a fundamental level and wield such arcane concepts as phase-gates, subatomic infusion, and temporal looping. Several Necron super-weapons such as the World Engine and Celestial Orrery have galaxy-devastating capabilities. However it is Living Metal, or Necrodermis, which equips nearly all Necron technology. These billion-strong swarns of nano–Scarabs crawl under the skin of Necrons at a cellular level, allowing for self-repair and regeneration. Also, on particularly rare occasions, a super heavy Necron device called a Necron Pylon is seen. It is feared for its extreme power and ability to appear anywhere on the battlefield.

Jun 11, 2023

Researchers advance DNA nanostructure stability

Posted by in categories: bioengineering, biotech/medical, computing, genetics, nanotechnology

Researchers at the University at Albany’s RNA Institute have demonstrated a new approach to DNA nanostructure assembly that does not require magnesium. The method improves the biostability of the structures, making them more useful and reliable in a range of applications. The work appears in the journal Small this month.

When we think of DNA, the first association that comes to mind is likely genetics—the within cells that houses an organism’s blueprint for growth and reproduction. A rapidly evolving area of DNA research is that of DNA nanostructures—synthetic molecules made up of the same as the DNA found in living cells, which are being engineered to solve critical challenges in applications ranging from medical diagnostics and delivery to materials science and data storage.

“In this work, we assembled DNA nanostructures without using magnesium, which is typically used in this process but comes with challenges that ultimately reduce the utility of the nanostructures that are produced,” said Arun Richard Chandrasekaran, corresponding author of the study and senior research scientist at the RNA Institute.

Jun 10, 2023

Developing new nanoparticle treatments for brain tumors

Posted by in categories: biotech/medical, nanotechnology, neuroscience

Northwestern Medicine investigators have developed a novel nanoparticle treatment for glioblastoma, according to a study published in Nature Communications.

Glioblastoma, the most common type of primary brain cancer, is one of the most complex, deadly and treatment-resistant cancers, according to the National Brain Tumor Society. The five-year survival rate for patients hovers near 7% and has remained unchanged for decades.

Previous Northwestern Medicine research has shown that glioblastoma tumors accumulate large numbers of immunosuppressive tumor-associated (TAMCs), which impairs the immune system’s ability to fight the tumor and reduces the effectiveness of radiation and chemotherapy.

Jun 10, 2023

Confinement effects of carbon nanotubes on polyoxometalate clusters enhance electrochemical energy storage

Posted by in categories: chemistry, energy, nanotechnology

Carbon nanotubes (CNTs) are considered ideal electrochemical energy storage materials due to their high electrical conductivity, large theoretical surface area, and good chemical stability.

However, CNTs tend to aggregate due to strong van der Waals forces, which reduces their electrochemically active area. This problem is even worse for (SWNTs) due to their high length-to-diameter ratio.

Recently, a joint research team led by Dr. Wang Xiao from the Shenzhen Institute of Advanced Technology (SIAT) of the Chinese Academy of Sciences, Dr. Zhu Sheng from Shanxi University, and Prof. Li Yan from Peking University has encapsulated polyoxometalate guest molecules within SWNTs (with a diameter of approximately 1.4 nm) to enhance the electrochemical energy storage of CNTs.

Jun 10, 2023

Nanomedicine: Using a patient’s immune cells to prevent the spread of cancer

Posted by in categories: biotech/medical, nanotechnology

The fact that our immune systems capture and destroy nanoparticles and the drugs they carry has been a problem in the field of nanomedicine for some time. But, in the fight against cancer, researchers are now attempting to exploit this problem to their advantage.

Researchers around the world are seeking to identify techniques that use nanoparticles in the treatment of disease. Such particles are about 100 nanometers—one thousandth of a millimeter—in diameter, and within them researchers are inserting large numbers of even smaller drug molecules.

Optimism for this approach in the treatment of various forms of cancer has been particularly great.

Jun 9, 2023

A potential milestone in cancer therapy: Team discovers weak spot in prostate cancer cells

Posted by in categories: biotech/medical, nanotechnology

Prostate cancer is the most common non-skin cancer in men worldwide. According to international estimates about one in six men will get prostate cancer during their lifetime and worldwide, over 375,000 patients will die from it each year. Tumor resistance to current therapies plays an essential role in this and new approaches are therefore urgently needed.

Now an international research team from the University of Bern, Inselspital Bern and the University of Connecticut has identified a previously unknown weak spot in . This weak spot is possibly also present in other . The study was led by Mark Rubin from the Department for Biomedical Research (DBMR) and Center for Precision Medicine (BCPM) at the University of Bern and Inselspital Bern, and Rahul Kanadia from the Department of Physiology and Neurobiology and the Institute for Systems Genomics at the University of Connecticut. The research results have been published in the journal Molecular Cell.

“We took a closer look at a certain molecular machine called the ,” explains Anke Augspach, lead author of the study and researcher from the Department for BioMedical Research (DBMR). “It plays an important role in the translation of genes into proteins. In this process, the spliceosome separates parts of the gene that are not needed for the production of the protein and fuses the other parts.”

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