Category Archives: Nanotechnology

TheNational Science Foundation (NSF)supports16 user facility sites, their affiliated partners, and a coordinating office as the National Nanotechnology Coordinated Infrastructure (NNCI). The NNCI sites provide researchers from academia, small and large companies, and government with access to university user facilities with leading-edge fabrication and characterization tools, instrumentation, and expertise within all disciplines of nanoscale science, engineeringand technology.

Select a Site - Select a Site - Cornell Nanoscale Science and Technology Facility (CNF) Center for Nanoscale Systems (CNS) Kentucky Multi-Scale Manufacturing and Nano Integration Node (KY MMNIN) Mid-Atlantic Nanotechnology Hub (MANTH) Midwest Nanotechnology Infrastructure Corridor (MINIC) Montana Nanotechnology Facility (MONT) nano@stanford Virginia Tech National Center for Earth and Environmental Nanotechnology Infrastructure(NanoEarth) Nanotechnology Collaborative Infrastructure Southwest (NCI-SW) Nebraska Nanoscale Facility (NNF) Northwest Nanotechnology Infrastructure (NNI) Research Triangle Nanotechnology Network (RTNN) San Diego Nanotechnology Infrastructure (SDNI) Southeastern Nanotechnology Infrastructure Corridor (SENIC) Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource Texas Nanofabrication Facility (TNF)

Learn more about the NNCI and its research and educational resources.

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Mikkel Thomas

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SENIC

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SDNI

The San Diego Nanotechnology Infrastructure (SDNI) offers affordable access to university facilities with leading-edge tools, training and expertise in all disciplines of nanoscale science, engineering and technology to academic, government, and industrial researchers, and hands-on education and outreach events for novice users.

At its core, NNCI exists to help scientists and engineers from around the country access the state-of-the-art resources necessary to participate in the nanotechnology revolution.

Did you know that the atmosphere is constantly filled with nanoparticles from volcanic ash, sea spray, cosmic dust, and smoke. These are naturally occurring nanoparticles and occur at different heights in our atmosphere.

Did you know that the nanoscale properties of the lotus leaf are the inspiration for many easy-clean and water-repellant materials? The lotus leaf has nanoscale waxy bumps that cause water to bead up and roll off, taking dirt with it.

Did you know that your hair and fingernails grow one nanometer every second? A nanometer is one billionth of a meter or 10-9 m.

A gecko can walk up a wall and across a ceiling because of nanoscale "spatulas" on the bottom of their feet? One gecko has about one billion of these.

Did you know that all of the atoms in your body, except for the Noble gases, have at least at one time in the past been in a nanoparticle?

Did you know that not all color is due to pigments? Some colors are due to nanoscale structures like those found on the wings of the Blue Morpho butterfly.

Did you know that the colors in stained glass windows of medieval cathedrals were created by different sized gold and silver nanoparticles? Changing the size (and shape) of the particles produces different colors.

Did you know ferrofluids were developed by NASA in the 1960s to control fluids in space? Ferrofluids are colloidal liquids made of nanoscale magnetic particles suspended in a liquid.

Did you know that at the nanoscale materials take on unusual properties that differ from the bulk? Nano-sized aluminum powders are explosive and are being explored as rocket propellants.

Nanotechnology is not limited to one particular traditional field of research. In fact, it impacts almost every scientific and engineering discipline.

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The Nanomaterials and Nanotechnology market is an intrinsic study of the current status of this business vertical and encompasses a brief synopsis about its segmentation. The report is inclusive of a nearly accurate prediction of the market scenario over the forecast period market size with respect to valuation as sales volume. The study lends focus to the top magnates comprising the competitive landscape of Nanomaterials and Nanotechnology market, as well as the geographical areas where the industry extends its horizons, in magnanimous detail.

The market report, titled Global Nanomaterials and Nanotechnology Market Research Report 2019 By Manufacturers, Product Type, Applications, Region and Forecast to 2025, recently added to the market research repository of details in-depth past and present analytical and statistical data about the global Nanomaterials and Nanotechnology market. The report describes the Nanomaterials and Nanotechnology market in detail in terms of the economic and regulatory factors that are currently shaping the markets growth trajectory, the regional segmentation of the global Nanomaterials and Nanotechnology market, and an analysis of the markets downstream and upstream value and supply chains.

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The key manufacturers covered in this Nanomaterials and Nanotechnology market report:

The key players covered in this studyBASF SEMinerals Technologies IncAMCOL InternationalLiquidia TechnologiesNanoOptoBioDelivery Sciences InternationalHosokawa Micron GroupHyperion Catalysis International IncorporatedBBI SolutionsCytodiagnosticsGoldsolNanoComposixSigma AldrichTanaka TechnologiesEastman Kodak Company

Market segment by Type, the product can be split intoCarbon NanotubesNanoclaysNanofibersNanosilverOthers

Market segment by Application, split intoAerospaceAutomotiveMedicalMilitaryElectronicsOthers

Market segment by Regions/Countries, this report coversNorth AmericaEuropeChinaJapanSoutheast AsiaIndiaCentral & South America

The study objectives of this report are:To analyze global Nanomaterials and Nanotechnology status, future forecast, growth opportunity, key market and key players.To present the Nanomaterials and Nanotechnology development in North America, Europe, China, Japan, Southeast Asia, India and Central & South America.To strategically profile the key players and comprehensively analyze their development plan and strategies.To define, describe and forecast the market by product type, market and key regions.

In this study, the years considered to estimate the market size of Nanomaterials and Nanotechnology are as follows:History Year: 2014-2018Base Year: 2018Estimated Year: 2019Forecast Year 2019 to 2025For the data information by region, company, type and application, 2018 is considered as the base year. Whenever data information was unavailable for the base year, the prior year has been considered.

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In accordance with a competitive prospect, this Nanomaterials and Nanotechnology report dispenses a broad array of features essential for measuring the current Nanomaterials and Nanotechnology market performance along with technological advancements, business abstract, strengths and weaknesses of market position and hurdles crossed by the leading Nanomaterials and Nanotechnology market players to gain leading position. Other aspects such as customer base, sales reach, local coverage, production price trends, and production cost layout are also analyzed to bestow accurate rivalry perspective.

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Nanomaterials and Nanotechnology Market: Analysis and In-depth study on market Size Trends, Emerging Growth Factors and Regional Forecast to 2027 -...

Nanocoatings For Building And Construction Industry Overview Competitive Analysis, Regional and Global Analysis, Segment Analysis, Market Forecasts 2026

An updated report on the globalNanocoatings For Building And Construction marketis published by theMarket Research Store. The report study gives you each and every detail about the Nanocoatings For Building And Construction market. It helps you to understand the Nanocoatings For Building And Construction market in a comprehensive way. Some of the industry players that are operating in the Nanocoatings For Building And Construction market includesTheta Chemicals, Inframat, Nanogate, CTC Nanotechnology, Nanophase Technologies, Advenira Enterprises, Tesla NanoCoatings, AdMat Innovations. Each and every organization and association is profiled in detail in the study.

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Global Nanocoatings For Building And Construction Market with COVID-19 After Effects Analysis by Top Key Players Theta Chemicals, Inframat, Nanogate,...

Under a directive to catch Chinese spies, federal authoritiesmonitored Anming Hu for more than a year, found no evidence of espionage and manufactured a case against the University of Tennessee researcher anyway, his attorney says.

"The (U.S. Department of Justice) wanted a feather in its cap with an economic espionage case, so they ignored the facts and the law, destroyed the career of a professor with three PhDs in nanotechnology and now expects the court to follow their narrative," attorney Philip Lomonaco wrote in a brief asking a judge to dismiss the charges against Hu.

A mechanical engineering professor at UT Knoxville, Hu was arrested in February and suspended from his job after an FBI investigation. A grand jury returned an indictment accusing Hu of holding a dual professorship witha Chinese university and concealing that position from UT as he worked on research projects funded by grant money from the National Aeronautics and Space Administration.

Anming Hu(Photo: Provided / UTK)

A federal lawenacted in 2011prohibits NASA from using funds to "collaborate or coordinate bilaterallyin any way withChina or any Chinese-owned company." Hu faces three counts of wire fraud and three counts of making false statements amidallegations he repeatedly lied to violate that funding restriction and defraud NASA.

Although prosecutors have argued the case could involve matters of national security, they have not publicly accused Hu of espionage.

His attorney says he's no spy, and that he never meant to deceive anyone.In Lomonaco's telling, Hu is nothing more than an innocent researcher who tried his best to follow a rule so vague that neither UT,the FBI nor NASA seemed to fully understand it.The charges should be dismissed for that reason, Lomonacowrote, and because Hulistened to a UT official who said the restriction didn't apply to faculty.

As of Wednesday, prosecutors had not filed a response to the brief, which was filed last week in U.S. District Court in Knoxville. The FBI and the U.S. Attorney's Office for the Eastern District of Tennessee declined to comment. Representatives for UT did notreturn a request for comment.

Hu moved from Canada to Knoxville in 2013, when he began working as an associate professor at the University of Tennessee. He started working that same year for the Beijing University of Technology's Institute of Laser Engineering, the indictment states. The public university is owned by the Chinese government.

A naturalized Canadian citizen awaiting a green card in the U.S., Hu is under house arrest and has been confined tohis home in southwest Knox County. His wife is living in Canada, and hisson attends UT Knoxville.

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While working at UT, Huremotely supervised graduate students overseas, worked on projects sponsored by the Chinese government and oversaw the operation of a lab in Beijing, according to the indictment.

"My group there is focusing on super-resolution nano manufacturing and printable electronics," Hu wrote in an email to a U.S. professor in 2017.

The available evidencesends mixed messages about whether and to what extent Hu may have tried to hide his second job. Prosecutors say he submitted rsum to UT that omitted any mention of his position at the Beijing university, an allegation Lomonaco calls an"administrative issue."Prosecutors also say Hu failed to mention his second job on conflict of interest forms he submitted to UT, while Lomonaco says the job didn't rise to the level of a conflict under UT's policies.

Testimony showed Hu talked openly about his work with the Beijing university while attending Knoxville Chinese Christian Church. The public website for Beijing University of Technology listed Hu as a professor, according to the indictment.His connection tothe university was spelled out in more than a dozen research papers and patent applications filed in China while he worked at UT. And he discussedhis work overseasin emails to Chinese and American professors alike.

Hu even mentioned his work in Beijing to two FBI agents who showed up to his office at UT in April 2018, according to Lomonaco's brief. The agents asked Hu whether he was involved in China's Thousand Talents Program, whichseeks to recruit American researchers. They didn't seem "overly interested," Lomonaco wrote, when Hu talked about his work on a NASA grant.

Four months later, in August 2018, FBI agents began meeting with UT and NASA officials and began "an extensive, clandestine surveillance" of Hu, Lomonaco wrote. The file on Hu was "categorized as 'economic espionage.'"

Lomonaco suggested federal authorities brought a case against Hu due to the so-called China Initiative. Then-U.S. Attorney General Jeff Sessions announced the initiative Nov. 1, 2018, and described it as an effort among the Department of Justice, the FBI and U.S. attorneys to prosecute state-backed Chinese who steal trade secrets and confidential information from American companies, labs and universities.

"Today, we see Chinese espionage not just taking place against traditional targets like our defense and intelligence agencies, but against targets like research labs and universities, and we see Chinese propaganda disseminated on our campuses," Sessions said after announcing charges against a pair of Chinese and Taiwanese companies accused of stealing trade secrets from an Idaho company.

Cases involving questions of Chinese intellectual property theft are not unheard of in East Tennessee. In 2008, a federal jury convicted University of Tennessee professor emeritusJ. Reece Roth under the Arms Export Control Act after he allowed foreign graduate students to work with him on an Air Force contract and took a laptop containing classified documents on a trip to China. Last year, a grand jury in Greeneville indicteda Chinese national and an American on charges of conspiring to steal trade secrets from several companies in order to start their own company in China.

Virginia Rep. Frank Wolf referenced Chinese attempts to steal intellectual property, as well as the country'shuman rights record, in championing the 2011 law that included the restriction on NASA's funding of projects tied to China.

Attempting to paint the law as too vague to be enforced, Lomonaco cited changesto the law and to NASA's guidance about the law. He also attached as an exhibit a 2013letter Wolf wrote to NASA's administrator after a staffer incorrectly told Chinese nationals the law prevented them from attending a conference at a NASA facility.

"It places no restrictions on activities involving individual Chinese nationals unless those nationals are acting as official representatives of the Chinese government," wrote Wolf, who is now retired and declined to comment for this story.

Workers repaint the NASA meatball logo on the side of the 525-foot Vehicle Assembly Building last week. NASA astronauts are scheduled to head to the International Space Station from KSC aboard a SpaceX rocket Wednesday.(Photo: Craig Bailey/FLORIDA TODAY)

The charges against Hu stem from two research projects he worked on, for which UT sought and obtained grant money from NASA. The space agency paid UT about $105,000 for the projects, and Lomonaco has stressed that Hu didn't receive any of that money.

In January 2016, Hu was preparing to submit a proposal to the Jet Propulsion Laboratory, a federally funded research center that operatesunder NASA and the California Institute of Technology. Hu wanted to work on a project with a professor at a laboratory in Hefei, China, and he submitted to UT employees a letter of commitment from the professor.

When the UT grant administrator told him he would need to complete a "China Assurance document," Hu seemed confused, writing in an email: "For China Assurance: are you talking about the Hefei National Radiation Facilities, right? I include one letter. Does it solve this concerning?"

"Anming, regarding the China Assurance, NASA requires you to include a signed document stating you assure you will comply with the Chinese Funding Restrictions," the administrator wrote back, according to the brief. "However, UTK always includes a special copy stating that, as we understand it, this restriction does not apply to faculty, staff, and students."

The university went on to submit the proposal to the Jet Propulsion Laboratory. It did not include the letter of commitment from the professor at Hefei National Radiation Facilities, saying it would violate the China Assurance.

The indictment states this exchange notified Huof the NASAfunding restriction, and that he went on to participate in NASA-funded projects anyway.

"Through his fraudulent representations and omissions to UTK about his affiliation with (the Beijing university), Huknowingly and willfully caused UTK to falsely certify to NASA and to NASA contractors that UTK was in compliance with NASA's China Funding Restriction regarding NASA-funded projects that UTK sought and obtained on Hu's behalf," the indictmentreads.

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But Lomonaco says the exchange was anything but clear.

"Being told by UT's grant administrator the restriction did not apply to UT faculty is strong exculpatory evidence of not only the confusion experienced by Prof. Hu, but strong evidence of his lack of intent to deceive," he wrote. "The only specific thing Prof. Hu was told was that the restriction did not apply to him. Why would he even try to commit fraud if the restriction did not apply to him?"

Lomonaco is asking a judge find the NASA restriction law "void for vagueness," or to toss the charges against Hu under the legal doctrine of "entrapment by estoppel" when a defendant believes an official who tells them their conduct is legal.

The case is set to go to trial Dec. 1.

EmailTravis Dorman attravis.dorman@knoxnews.comand follow himon Twitter @travdorman. If you enjoy Travis' coverage, support strong local journalism by subscribing for full access to all our content on every platform.

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University of Tennessee professor accused of hiding his Chinese job wants case tossed - Knoxville News Sentinel

SAN DIEGO, California A promising technology slowed the spread of SARS-CoV-2, the virus that causes COVID-19, in cell cultures, researchers at the University of California San Diego and Boston University found in lab experiments.

The United States led the world in coronavirus cases with 2.7 million confirmed Thursday, according to data maintained by Johns Hopkins University.

Engineers at UC-San Diego coated tiny nanoparticles made of polymer with lung and white blood cell membranes, disguising them as human cells to the virus.

The membranes covering the nanoparticles had the same external receptors and proteins that the virus uses to enter the human lung and white blood cells. The nanoparticles fooled the SARS-CoV-2 virus into thinking they were human cells and the virus bound onto them. Once attached to the nanoparticles, the virus could no longer enter a human cell or reproduce.

These lung cells and white blood cell nanoparticles blocked almost 90 percent of the virus ability to enter human cells, reproduce and create more virus in lab dish experiments, researchers out of UC San Diego and Boston University published last month in Nano Letters.

Nanoparticles were first masked as human cells, like red blood cells, more than a decade ago at UC San Diegos Jacobs School of Engineering. They can also be used to extract oil or toxins from water or an oil spill. They have to be masked to be used in the body because the immune system attacks foreign objects. They have been dubbed nanosponges by researchers because of their ability to soak up pathogens or toxins.

Researchers at UC-San Diego will work next to see how well the COVID-19 nanosponges work in animals, and potentially, in humans.

Its a very promising technology, but I think its still very early to know how effective it will be in humans, said Vijay Krishna, assistant staff at the Cleveland Clinics biomedical engineering department. He has studied nanoparticles but is not an author or contributor to this study.

Usually, it would take between five and 10 years to develop this kind of technology for use in humans, Krishna said. But these are not normal times, and the development time for use in humans could speed up to one or two years.

The way these nanoparticles react in the cells in a lab is very different than how they might respond in living organisms, Krishna said.

Working in cells is very different than working in a living organism, he said. In a lung there is a lot of dynamics of movement, from your breathing, from blood flow and lungs expanding and contracting. These dynamics can change the interactions of nanosponges with the virus and that can actually dictate how effective these nanoparticles are.

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Nanotechnology shown to slow spread of COVID-19 virus in lung and white blood cells, study shows - cleveland.com

This article was originally published here

Liang C, et al. Sci China Life Sci 2020 Review.

ABSTRACT

Many years of fundamental studies on viral genome packaging motors have led to fruitful applications. The double-stranded DNA (dsDNA) viruses package their genomes into preformed protein shells via nanomotors including several elegant and meticulous coaxial modules. The motor is geared by the hexameric RNA ring. An open washer displayed as hexametric string of phi29 motor ATPase has been reported. The open washer linked into a filament as a queue with left-handed chirality along the dsDNA chain. It was found that a free 5- and 3-dsDNA end is not required for one gp16 dimer and four monomers to assemble into the hexametric washer on dsDNA. The above studies have inspired several applications in nanotechnology and nanomedicine. These applications include: (i) studies on the precision motor channels have led to their application in the single pore sensing; (ii) investigations into the hand-in-hand integration of the hexametric pRNA ring have resulted in the emergence of the new field of RNA nanotechnology; and (iii) the studies on the motor stoichiometry of homologous multi-subunits that subsequently have inspired the discovery of new methods in highly potent drug development. This review focuses on the structure and function of the viral DNA packaging motors and describes how fundamental studies inspired various applications. Given these advantages, more nanotechnological and biomedical applications using bacteriophage motor components are expected.

PMID:32617827 | DOI:10.1007/s11427-020-1752-1

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Translation of the long-term fundamental studies on viral DNA packaging motors into nanotechnology and nanomedicine - DocWire News