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Nanoparticle

A nanoparticle (or nanopowder or nanocluster or nanocrystal) is a microscopic particle with at least one dimension less than 100 nm.

Note: The above text is excerpted from the Wikipedia article "Nanoparticle", which has been released under the GNU Free Documentation License.

For more information, see the following related content on ScienceDaily:

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New Sensor Detects Ever Smaller Nanoparticles

Nov. 11, 2021 — Nanoparticles are omnipresent in our environment: Viruses in ambient air, proteins in the body, as building blocks of new materials for electronics, or in surface coatings. Visualizing these smallest ...

Tracking the Movement of a Single Nanoparticle

July 27, 2021 — Researchers successfully analyze extracellular vesicles by time-sequential illumination and ...

Tracking a Levitated Nanoparticle With a Mirror

June 29, 2022 — Sensing with levitated nanoparticles has so far been limited by the precision of position measurements. Now, researchers have demonstrated a new method for optical interferometry in which light ...

Breakthrough in Sizing Nanoparticles Using Fluid-Filled Tubes

Aug. 27, 2021 — Scientists have discovered that the mass and size of nano-particles can be simultaneously measured by passing the nanoparticles, in their native solution, through an inexpensive and simple mechanical ...

Nano Particle Trapped Between Mirrors Works as a Quantum Sensor

Apr. 7, 2022 — Sensors are a pillar of the Internet of Things, providing the data to control all sorts of objects. Here, precision is essential, and this is where quantum technologies could make a difference. ...

Scientists Create Nanoparticle That Helps Fight Solid Tumors

June 14, 2022 — Researchers have discovered a possible new approach in treating solid tumors through the creation of a novel ...

Nanoparticles: The Complex Rhythm of Chemistry

May 21, 2021 — In order to understand catalysts, we have to understand how chemical reactions evolve on nanoparticles. Different facets of the particles can have different properties, leading to intriguing ...

New Technology Allows More Precise View of the Smallest Nanoparticles

Nov. 16, 2020 — Scientists have reported a new optical imaging technology, using a glass side covered with gold nanodiscs that allows them to monitor changes in the transmission of light and determine the ...

Two-Dimensional Quantum Freeze

Mar. 6, 2023 — Researchers have succeeded in simultaneously cooling the motion of a tiny glass sphere in two dimensions to the quantum ground-state. This represents a crucial step towards a 3D ground-state cooling ...

Shutting the Nano-Gate

Mar. 16, 2021 — Scientists used circular gate electrodes set around tiny nanopores to hold particles just outside the opening, or make them pass through very slowly. This work may lead to revolutionary advances in ...

Matter & Energy News

September 23, 2023

A Step Closer to Digitizing the Sense of Smell: Model Describes Odors Better Than Human Panelists

Aug. 31, 2023 — A main crux of neuroscience is learning how our senses translate light into sight, sound into hearing, food into taste, and texture into touch. Smell is where these sensory relationships get more ...

Barnacles May Help Reveal Location of Lost Malaysia Airlines Flight MH370

Aug. 23, 2023 — Geoscientists have created a new method that can reconstruct the drift path and origin of debris from flight MH370, an aircraft that went missing over the Indian Ocean in 2014 with 239 passengers and ...

Brain Recordings Capture Musicality of Speech -- With Help from Pink Floyd

Aug. 15, 2023 — For those with neurological or developmental disorders compromising speech, brain machine interfaces could help them communicate. But today's interfaces are slow and, from electrodes placed on the scalp, can detect letters only. The speech generated ...

Muon G-2 Doubles Down With Latest Measurement, Explores Uncharted Territory in Search of New Physics

Aug. 10, 2023 — Scientists working on Fermilab's Muon g-2 experiment released the world's most precise measurement yet of the magnetic moment of the muon, bringing particle physics closer to the ultimate showdown ...

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Researchers Develop First Method to Study microRNA Activity in Single Cells

Sep. 21, 2023 — Researchers have developed the first method to uncover the tasks that microRNAs perform in single cells. This is a huge improvement over existing state-of-the-art methods that require millions of ...

Nanoparticles Made from Plant Viruses Could Be Farmers' New Ally in Pest Control

Sep. 21, 2023 — Engineers have devised a new solution to control a major agricultural menace, root-damaging nematodes. Using plant viruses, the researchers created ...

Scaling Up the Power of Nanotechnology

Sep. 21, 2023 — Researchers created a proof of concept of a nanocapsule -- a microscopic container -- capable of delivering a specific 'payload' to a targeted location. While beyond the scope of this study, the ...

Shh! Quiet Cables Set to Help Reveal Rare Physics Events

Sep. 21, 2023 — Newly developed ultra-low radiation cables reduce background noise for neutrino and dark matter ...

Researchers Reveal the Origins of Zirconium Nitride's Superior Performance

Sep. 21, 2023 — A group of researchers have unraveled the mysteries behind a recently identified material -- zirconium nitride (ZrN) -- that helps power clean energy reactions. Their proposed framework will help ...

Topological Materials Open a New Pathway for Exploring Spin Hall Materials

Sep. 21, 2023 — A recent discovery in spintronics could potentially transform future electronics. A group of researchers have revealed the key role of cobalt-tin-sulfur in reducing energy consumption, unlocking new ...

One-Atom-Thick Ribbons Could Improve Batteries, Solar Cells and Sensors

Sep. 21, 2023 — Researchers created nanoribbons made of phosphorus and tiny amounts of arsenic, which they found were able to conduct electricity at temperatures above -140 degrees Celsius, while retaining the ...

Material Would Allow Users to 'Tune' Windows to Block Targeted Wavelengths of Light

Sep. 21, 2023 — Researchers have demonstrated a material for next generation dynamic windows, which would allow building occupants to switch their windows between ...

How Wind Turbines React to Turbulence

Sep. 19, 2023 — The output of wind turbines can rise or fall by 50 per cent in a matter of seconds. Such fluctuations in the megawatt range put a strain on both power grids and the turbines themselves. A new study ...

An Implantable Device Could Enable Injection-Free Control of Diabetes

Sep. 18, 2023 — Engineers designed an implantable device that carries hundreds of thousands of islet cells along with its own on-board oxygen factory to keep the cells healthy. Such a device could help Type 1 ...