Nanoparticles News - SciTechDaily

Innovative Quantum Dot Monitoring: Real-Time Insights Into Nanoparticle Growth

São Paulo Research Foundation — Sat, 03 Aug 2024 23:25:07 +0000

Researchers monitored the diameter of semiconductor quantum dots in real time by observing the wavelength of the emitted light. Luminescence is the outcome of a process where an object absorbs light at one wavelength and re-emits it at a different wavelength. During this process, electrons in the material’s ground state absorb light and become excited [...]

Troubling Consequences: Nanoparticles Found To Have Mysterious Effects on Unborn Children

Swiss Federal Laboratories for Materials Science and Technology (EMPA) — Wed, 12 Jun 2024 00:52:49 +0000

Researchers are investigating how nanoparticles from various products and environmental sources affect embryonic development by disrupting placental function and indirectly harming fetal tissue, despite the protective placental barrier. Human life begins with a single egg cell that grows into a human being with trillions of cells. To ensure that the highly complex development of tissues [...]

Chemists Discover How Platinum Catalysts Assemble and Disassemble Themselves

Brookhaven National Laboratory — Sat, 08 Jun 2024 23:12:43 +0000

Combination of techniques reveals how a nanoparticle catalyst forms from individual atoms during operation and subsequently breaks down for recycling. Researchers at the U.S. Department of Energy’s Brookhaven National Laboratory and Stony Brook University, along with their partners, have made significant discoveries regarding the reversible assembly and disassembly of a platinum catalyst. This new insight [...]

An Innovative New Cancer Treatment – Scientists Unveil Nanoparticle Capable of Crossing Blood-Brain Barrier

University of Miami Miller School of Medicine — Sun, 12 May 2024 09:04:55 +0000

The scientists are optimistic that their method, which has shown initial promise in preclinical models, could eventually be used to treat both brain metastases and primary breast cancer tumors with a single therapy. Researchers from the Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine have created a nanoparticle capable of [...]

Shapeshifting Material Breakthrough: Stanford Engineers Have 3D Printed Tens of Thousands of Hard-to-Manufacture Nanoparticles

Stanford University — Sat, 06 Apr 2024 03:54:41 +0000

Stanford material engineers have utilized 3D printing to create tens of thousands of hard-to-manufacture nanoparticles, that are expected to lead to the development of new materials capable of instantly altering their form. In nanomaterials, shape is destiny. That is, the geometry of the particle in the material defines the physical characteristics of the resulting material. [...]

Unlocking Quantum Secrets: The Revolutionary Dance of Nanoparticles

University of Manchester — Mon, 18 Mar 2024 05:02:29 +0000

Innovative research leverages levitated optomechanics to observe quantum phenomena in larger objects, offering potential applications in quantum sensing and bridging the gap between quantum and classical mechanics. The question of where the boundary between classical and quantum physics lies is one of the longest-standing pursuits of modern scientific research and in new research published today, [...]

Stanford’s Revolutionary 3D Printing Unleashes Millions of Microscale Marvels

Taylor Kubota, Stanford University — Fri, 15 Mar 2024 11:17:35 +0000

A new process for microscale 3D printing creates particles of nearly any shape for applications in medicine, manufacturing, research, and more – at the pace of up to 1 million particles a day. 3D-printed microscopic particles, so small that to the naked eye they look like dust, have applications in drug and vaccine delivery, microelectronics, [...]

Viral Nanoparticles: A New Frontier in Sustainable Pest Management for Farmers

University of California, San Diego — Mon, 04 Mar 2024 19:33:25 +0000

A new nanotechnology-based pest control method allows for deep soil delivery of pesticides, offering an effective solution to combat root-level nematode infestations while reducing environmental harm. A new form of agricultural pest control could one day take root—one that treats crop infestations deep under the ground in a targeted manner with less pesticide. Engineers at [...]

Butterfly Wings Inspire Breakthrough in Catalyst Design

Harvard John A. Paulson School of Engineering and Applied Sciences — Fri, 16 Feb 2024 10:00:49 +0000

Researchers expand ways to improve the selectivity of catalytic reactions. Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS), Harvard Department of Chemistry & Chemical Biology, and Utrecht University have reported on a previously elusive way to improve the selectivity of catalytic reactions, adding a new method of increasing the [...]

Italian Scientists Develop New System for Producing Green Hydrogen Cheaply and Efficiently

Istituto Italiano di Tecnologia — Sat, 10 Feb 2024 11:58:21 +0000

A collaborative research effort between IIT and its spin-off BeDimensional has discovered a method utilizing ruthenium particles in conjunction with a solar-powered electrolysis system. What does it take to produce green hydrogen more efficiently and cheaply? Apparently, small ruthenium particles and a solar-powered system for water electrolysis. This is the solution identified by a joint [...]

One-Pot Wonder: The New Nanosheet Method Catalyzing a Green Energy Revolution

Nagoya University — Fri, 09 Feb 2024 07:34:51 +0000

A team from the Institute for Future Materials and Systems at Nagoya University, Japan, has innovated a new “one-pot” technique for creating nanosheets using less rare metals. This advancement promises to make the process of generating energy more environmentally friendly. The findings were recently published in the journal ACS Nano. Producing clean energy is important [...]

Revolutionizing Industries With Super-Durable Gold Catalysts

University of Tokyo — Tue, 06 Feb 2024 10:00:38 +0000

A protective layer applied to gold nanoparticles can boost its resilience. For the first time, researchers including those at the University of Tokyo discovered a way to improve the durability of gold catalysts by creating a protective layer of metal oxide clusters. The enhanced gold catalysts can withstand a greater range of physical environments compared [...]

Unveiling the Power of Air in Revolutionary “Plasmonic Black Gold” Catalysis

Tata Institute of Fundamental Research — Wed, 31 Jan 2024 11:17:52 +0000

A breakthrough plasmonic catalyst, stable in air, revolutionizes acetylene semi-hydrogenation, marking a significant advance in sustainable catalysis. In a significant breakthrough, Prof. Polshettiwar’s group at TIFR, Mumbai has developed a novel “Plasmonic Reduction Catalyst Stable in Air,” defying the common instability of reduction catalysts in the presence of air. The catalyst merges platinum-doped ruthenium clusters, [...]

New Method Prevents Allergic Reactions Without Causing Side Effects

Northwestern University — Fri, 19 Jan 2024 22:46:26 +0000

In a mouse study, a new approach successfully prevented anaphylaxis without causing side effects. Researchers at Northwestern University have created the first targeted treatment to avert allergic reactions, which can vary from mild symptoms like itchy hives and watery eyes to severe conditions including breathing difficulties and potentially fatal outcomes. To develop the new therapy, [...]

MIT’s Game-Changer: Ion Irradiation in Nanoparticle Engineering for Sustainable Energy

Elizabeth Thomson, MIT Materials Research Laboratory — Mon, 08 Jan 2024 06:42:30 +0000

The work demonstrates control over key properties leading to better performance. MIT researchers and colleagues have demonstrated a way to precisely control the size, composition, and other properties of nanoparticles key to the reactions involved in a variety of clean energy and environmental technologies. They did so by leveraging ion irradiation, a technique in which [...]

Unlocking the Secrets of Catalysts: How Tiny Traces Revolutionize Chemical Reactions

Vienna University of Technology — Wed, 22 Nov 2023 14:51:21 +0000

Researchers at TU Wien have made a significant breakthrough by observing the function of promoters in catalytic reactions in real-time for the first time. Promoters play an important role in technology, yet there has been limited knowledge about their workings until now. Catalysts play a vital role in many chemical technologies, including purifying exhaust gases [...]

Fewer Side Effects – A New Treatment Method for Pancreatic Cancer

Karlsruhe Institute of Technology (KIT) — Sat, 18 Nov 2023 12:50:06 +0000

Researchers from the universities of Göttingen and Karlsruhe have created an innovative treatment approach for pancreatic cancer. This new method aims to target the disease more effectively and reduce side effects. Pancreatic cancer ranks among the most lethal forms of cancer, standing as the fourth highest cause of cancer fatalities in Western countries. Its initial [...]

New Solid-State Electrolyte Designs Could Revolutionize the Battery Industry

Institute for Basic Science — Sun, 05 Nov 2023 07:22:15 +0000

Researchers make significant advancements in lithium-metal-chloride solid-state electrolytes. Researchers, led by Professor Kang Kisuk of the Center for Nanoparticle Research within the Institute for Basic Science (IBS), have announced a major breakthrough in next-generation solid-state batteries. They have discovered a new chloride-based solid electrolyte with exceptional ionic conductivity, which is anticipated to enable the development of [...]

Sugarcane Secrets: Scientists Discover Potential Cause of Mystery Kidney Disease in Agricultural Workers

University of Colorado Anschutz Medical Campus — Wed, 25 Oct 2023 12:02:47 +0000

Researchers from CU Anschutz collaborated with doctors in El Salvador and discovered elevated concentrations of silica nanoparticles in the kidney tissues of patients with a mysterious disease. According to a recent study published in the American Journal of Kidney Diseases, the combustion of sugarcane and rice husks may be releasing a toxicant causing a mysterious [...]

Preventing $220 Billion in Damages – Scientists Discover Potential Way To Disarm a Mysterious Family of Microbial Proteins

Duke University — Tue, 19 Sep 2023 17:09:22 +0000

Researchers from Duke University might have discovered a method to neutralize them, potentially averting $220 billion in yearly agricultural losses. Many of the bacteria that ravage crops and threaten our food supply employ a shared tactic to induce disease: they inject a cocktail of harmful proteins directly into the plant’s cells. For 25 years, biologist [...]

Like Super Enzymes – Chemists Develop Synthetic Catalysts To Break Down Biomass

Iowa State University — Wed, 23 Aug 2023 17:13:47 +0000

On a drizzly afternoon, Yan Zhao pointed to the trees visible from his campus window. As a chemistry professor at Iowa State University, he is pioneering the creation of novel synthetic catalysts that break down cellulose, the plant fibers responsible for the trees’ height and strength. “Cellulose is built to last – a tree doesn’t [...]

A Single Drop Changes Everything: New Technique To Revolutionize Nanosensor Manufacturing

Macquarie University — Mon, 07 Aug 2023 14:53:12 +0000

Engineers at Macquarie University have pioneered a new method for producing nanosensors that is significantly less carbon-intensive, cuts costs, and enhances efficiency and versatility, substantially improving a key process in this multi-trillion-dollar global sector. The team has found a way to treat each sensor using a single drop of ethanol instead of the conventional process [...]

MIT Pioneers Quantum Light Source for Optical Quantum Computers and Teleportation Devices for Communication

David L. Chandler, Massachusetts Institute of Technology — Sun, 25 Jun 2023 12:28:46 +0000

The device emits a stream of single photons and could provide a basis for optical quantum computers. Using novel materials that have been widely studied as potential new solar photovoltaics, researchers at MIT have shown that nanoparticles of these materials can emit a stream of single, identical photons. While the work is currently a fundamental [...]

Trapping Light in 3D: Physicists Unlock the Longstanding Mystery of Trapped Waves

Yale University — Sat, 17 Jun 2023 20:36:29 +0000

A team of researchers has harnessed a remarkable increase in computing capability to solve a decades-long mystery regarding the potential for optical waves to be trapped in three-dimensional structures of randomly packed micro- or nanoparticles. This groundbreaking discovery could lead to advancements in lasers and photocatalysts, among other applications. Electrons inside a material can either [...]