Sentences with phrase «of nanoparticles»

It has also proven difficult to study the 3 - D structure of these nanoparticles in their natural, flexible state.

As evidence for the variety of approaches under development, these three items concern three different types of nanoparticles based respectively on protein, RNA, and DNA.

The larger the surface of nanoparticles for the same volume is achieved, the more efficiently nanoparticles can interact with the surrounding substance.

They then used human stem cells derived from bone marrow that would normally become bone cells to test the effects of the nanoparticles on stem cell proliferation and differentiation.

The interesting and sometimes unexpected properties of nanoparticles are not partly due to the aspects of the surface of the material dominating the properties in lieu of the bulk properties.

The surface chemistry as well as the shape of the nanoparticles determine how toxic it is to the bacteria.

These results show promise of application of these nanoparticles as a therapeutic.

Nevertheless, little is still known about the influence of carbohydrates on the toxicity and cellular uptake of nanoparticles.

The value of nanoparticles made of diamond is multifaceted.

The results contribute to the controversial debate on plant toxicity of nanoparticles and whether engineered nanoparticles can enter into the food chain.

The color of the solution slowly turned into gray - yellow after few minutes, indicating the formation of nanoparticles.

This is the first time - resolved study of the evolution of nanoparticles from the time they are born.

Next, the partners want to use their method to measure the concentrations of nanoparticles in a wide variety of environmental samples.

After adding the patient's blood sample to a solution of these nanoparticles, the paper strip is dipped into the solution.

No testing of these nanoparticles has been done so far in living cells or organisms.

Researchers are developing a system in which a single injection of nanoparticles could deliver insulin internally for days at a time — with a little help from pulses of ultrasound.

These waves then travel along a chain of nanoparticles at approximately 10 % of the speed of light.

The microwave approach will translate into development of nanoparticles that are exactly the right size, shape and composition.

Beyond simple fluids, she hopes to study complex fluids composed of nanoparticles in suspension to determine how the phenomenon changes with particle size and chemistry.

The researchers were able to «replicate» the varying real - body conditions in a lab, and test the behaviour of nanoparticles in different blood and lymph flows.

The study focused on a class of nanoparticles called quantum dots.

An international team of scientists has made a breakthrough in the magnetic manipulation of nanoparticles that could lead to a big boost for small scale digital storage in portable devices.

The best materials are made up of nanoparticles, whose properties are the result of their small size.

Now a group of scientists have taken a look at what some kinds of nanoparticles can do to the human gut.

These differences can affect the biological identity of nanoparticles and thus alter their interaction with the cells.

According to him, between 75 % and 80 % of the mass of nanoparticles measured in this study corresponds to organic compounds (carbon in different forms) emitted by motor vehicles.

Another feature of the nanoparticles is that they are fluorescent and thus can be tracked in the body with molecular imaging techniques.

The operation of the nanoparticles was demonstrated in the laboratory using human breast cancer cells.

One exciting aspect of this technique is that it can also be used to produce blends of nanoparticles.

The applications of nanoparticles rely on their ability to absorb and reflect light of a specific color in a surprisingly efficient way.

One potential application for crystals built of nanoparticles, such as these newly reported ones, is the control of light — nanoparticles interact well with light waves because they are similar in size.

A similar approach could be used to produce an assortment of nanoparticles with a variety of surface modifications designed to control the functions of stem cells in different tissues.

By using complementary research methods, the researchers have helped advance each other's understanding of nanoparticles.

Even then, the procedure only captures a small fraction of the nanoparticles present in the biological fluid.

We live in a world that is full of nanoparticles — sand, smoke, dust, sea spray, all have nano - scale stuff in them.

They found that female cells had significantly higher uptake of nanoparticles than male cells.

The air filters included in the study filter out 50 - 100 % of nanoparticles from traffic.

Since they are using realistic, low concentrations of nanoparticles, the effects are slight, but eventually may be additive.

Its presence influences the behaviour of nanoparticles in the body by altering their chemical properties, destination, and their interactions with other cells.

An international team of scientists has demonstrated a breakthrough in the design and function of nanoparticles that could make solar panels more efficient by converting light usually missed by solar cells into usable energy.

The successful use of nanoparticles for delivering and concentrating antimicrobial molecules to the site of infections should allow the use of antibiotics that have proved their efficiency in vitro but that show poor in vivo bioavailability.

Metal oxides such as zinc oxide and titanium dioxide are increasingly being used in sunscreens and cosmetics in the form of nanoparticles — microscopic particles of matter measured on the nanoscale.

«We addressed this challenge through the controlled, multiscale assembly of nanoparticles by leveraging the kinetics of polymer crystallization.»

Nevertheless, despite the importance of carbohydrates in biology and the vast array of literature on functionalized nanomaterials, little is known about the effects of carbohydrates on the uptake and toxicity of nanoparticles by different type of cells.

There is an expanding array of nanoparticle types being developed and tested for cancer therapy.