Sentences with phrase «nanometers across»

UFPs are particles less than 100 nanometers across that can be natural or manmade.

Her nested nanotubes have six walls and are just nine nanometers across — but a whopping 350,000 nanometers long.

Although some of the structures were as small as 20 nanometers across, the fuzzy tangles of filaments looked a lot like fungi.

While the tiniest bacteria measure 200 nanometers across, nanobes are even smaller.

The samples in the latest experiment were formed from individual polygon gold nanostructures, measuring about 5 nanometers across, connected to single DNA - segment strands with 84 base pairs.

With the synthesis approach, the team produced rhombus - shaped particles of gamma - alumina, Al2O3, that were 30 to 50 nanometers across and 10 to 20 nanometers thick.

In previous investigations, the Yan group created subtle architectural forms at an astonishingly minute scale, some measuring only tens of nanometers across — roughly the diameter of a virus particle.

The second new technique created even smaller features — as little as 120 nanometers across — through a new take on photolithography.

But this physician - scientist's insights on health and sickness come from studying some of the smallest structures in the brain: tiny channels, no more than 10 nanometers across, in the walls of neurons.

And the magnetic structures found in hard drives measure just 10 to 20 nanometers across — less than a flu virus at 80 to 120 nanometers in diameter.

Each capsule is just 20 nanometers across; that's a thousand times smaller than the width of a human hair.

The tracks of this cellular railway are almost unimaginably small — just 25 nanometers across (a nanometer is a millionth of a millimeter).

These are iron oxide particles just 3 nanometers across, coated with a zwitterion layer.

The entire structure is about 20 - nanometers across, compared to 4 nanometers for an average protein.»

As transistors get smaller and smaller, occupying ever - tinier regions of a silicon chip, it becomes increasingly likely that any given region (barely tens of nanometers across) may have too many or too few dopant atoms.

The device is so small — just 20 nanometers across — that 50 can fit on a neuron.

With Peidong Yang, Rohit Karnik, Rong Fan and their co-workers, Majumdar found that channels less than 100 nanometers across are tiny enough to enable electric fields to breach this shielding.

They have working microprocessors with «wires» that are only 90 nanometers across.

This particular geometry forms a «hot spot» between the metallic triangle points capable of concentrating electromagnetic fields in a small volume — just tens of nanometers across.

(Consider that most proteins are merely a few nanometers across.)

Experiments by Alejandro Heredia of the University of Aveiro in Portugal and colleagues show that ferroelectric polarity flipping induced by a tiny electrode operates on an area of glycine crystal less than 100 nanometers across.

Nanodiamonds smaller than 6 nanometers across have proven to be an effective additive to mineral oil for thermal - transfer and storage applications, according to researchers at Rice University.

Light hitting these solid shapes, which stretch about 60 to 85 nanometers across, bounces away, producing highly saturated colors.

The main difference between Ultimate and other emulsions is that its silver bromide grains are extremely fine — around 10 nanometers across, or 1/10 to 1/100 as big as the grains in ordinary film.

At their core is a network of titanium dioxide (TiO2) particles, each just a couple of tens of nanometers across, coated with a film of organic dye.

In their study, published online this week in Nature Nanotechnology, Mirkin and colleagues report using an array of 15,000 tips to pattern 15,000 replicas of the Chicago skyline, each consisting of 182 dots, each dot about 450 nanometers across.

The area shown measures less than 25 nanometers across.

These pores are just a few nanometers across — too small for bacterial or viral cells to squeeze through, but wide enough for sweat to escape.

A tightly packed array of the tiny islands — each around 15 nanometers across — could store one terabyte (1000 gigabytes) of data per square inch, the researchers say.

The meteorite is full of grains of an iron oxide mineral called magnetite, each grain a mere 20 to 120 nanometers across.

The viral titan is about 750 nanometers across with a genetic pantry boasting around 1.2 million base...

Because the beads are only about 100 nanometers across, slightly smaller than a wavelength of visible light, the collection diffracts light, making the gel shimmer with an iridescent glow.

Airborne particles smaller than 50 nanometers across can intensify storms, particularly over relatively pristine regions such as the Amazon rainforest or the oceans, new research suggests.

The viral titan is about 750 nanometers across with a genetic pantry boasting around 1.2 million base pairs of DNA, the information - toting bits often represented with A, T, C and G. Influenza A, for example, is roughly 100 nanometers across with only about 13,500 base pairs of genetic material.

Five years ago, the average computer chip was approximately 22 nanometers across.

A record - setting electric motor, which debuted last year, pushes superlatives to the limit: It consists of a single molecule, measuring just 1 nanometer across, 1/60, 000 the width of a human hair.

Clearly identifiable through scanning tunneling microscopy was a recurring, five - vertex connecting element less than one nanometer across, a cerium - ligand coordination unit.

But the image resolution of the tiny molecule and its products — each only about one nanometer across — wasn't good enough to reliably identify the molecular structures.

The clusters created in the research are spherical, contain about 100 atoms, and measure 1 nanometer across.

Not exact matches

He's fascinated that this branching pattern holds true across orders of magnitude, whether that's nanometers for neurons, centimeters for ink, or meters for a tree branch.

In addition, the material is highly flexible and could be woven into fabrics, enabling wearable forms; individual niobium nanowires are just 140 nanometers in diameter — 140 billionths of a meter across, or about one - thousandth the width of a human hair.

To concentrate the energy of laser light to an even finer area, the team patterned aluminum dots of various sizes, from tens of micrometers down to 30 nanometers, across the surface of silicon, silicon germanium alloy, gallium arsenide, gallium nitride, and sapphire.

The instrument uses a carefully engineered cantilever with a tip just nanometers (millionths of a millimeter) across to scan a surface in the way the needle of a phonograph does.

By simply switching to a 2005 semiconductor fabrication, the company can produce chips with features just 0.065 micrometers, or 65 nanometers, across, enabling them to cram more than 1 billion ion sensors on each chip.

So instead, as Neil H. Thomson of the University of California at Santa Barbara reported, he and his colleagues vibrated the tip, tapping it ever so gently at nanometer steps across the field of view.

However, the new research shows that phonons can reach across a gap as small as a nanometer, «tunneling» from one material to another to enhance heat transport.

Several groups, including Chen's, have experimentally measured heat flow by thermal radiation across gaps as small as tens of nanometers.

«Phonon tunneling» explains heat flow across nanometer - wide gaps.»

The particles were about 300 nanometers (billionths of a meter) across.

A relatively new technique, Ig - RFM uses a nanometer - scale, flexible antibody - coated tip that is moved across a sample surface.