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Recent Patents on Nanotechnology

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https://www.readbyqxmd.com/read/28675992/a-microbolometer-system-for-radiation-detection-in-the-thz-frequency-range-with-a-resonating-cavity-fabricated-in-the-cmos-technology
#1
Aleksander Sesek, Andrej Zemva, Janez Trontelj
BACKGROUND: The THz sensors using microbolometers as a sensing element are reported as one of the most sensitive room-temperature THz detectors suitable for THz imaging and spectroscopic applications. Microbolometer detectors are usually fabricated using different types of the MEMS technology. The patent for the detection system presented in this paper describes a method for microbolometer fabrication using a standard CMOS technology with advanced micromachining techniques. The measured sensitivity of the sensors fabricated by the patented method is 1000 V/W at an optimal frequency and is determined by the performance of a double-dipole antenna and quarter-wavelength resonant cavity...
July 4, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28595565/gold-nanoparticles-by-laser-ablation-for-x-ray-imaging-and-protontherapy-improvements
#2
Torrisi Lorenzo, Nancy Restuccia, Irene Paterniti
Gold nanoparticles, 5-20 nm in diameter, were generated with a pulsed Nd:YAG laser at 1010 W/cm2 at solution concentrations ranging between 1-100 mg/ml. Nanoparticles were characterized using optical absorbance, X-ray fluorescence, SEM, and TEM. Biocompatible nanoparticle solutions were injected by intravenously into the tail veins of mice followed by X-ray imaging using 20-45 keV photons to evaluate the uptake and the clearance by different organs of the nanoparticles. The incremental X-ray contrast imaging using gold nanoparticles was investigated and measured...
June 8, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28595563/strategies-on-technology-transfer-and-patents-commercialization-for-nanotechnology-at-the-spanish-national-research-council
#3
Javier Maira, Javier Etxabe, Pedro A Serena
Nanoscience and nanotechnology made their appearance in the scientific scene at a time when both the economy of Spain and the Spanish Research and Innovation System were experiencing strong growth. This circumstance resulted in a remarkable development of nanoscience and nanotechnology especially in universities and public research institutions such as the Spanish National Research Council (Consejo Superior de Investigaciones Científicas - CSIC). However, this development in academia has not been reflected in a similar increment in the transfer of knowledge to the productive sector despite several efforts and initiatives were launched...
June 1, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28595564/electric-field-oriented-growth-of-long-hair-like-silica-microfibrils-and-derived-functional-monolithic-solids
#4
Michael Z Hu, David W DePaoli, Tanya Kuritz, Ogbemi O Omatete
We present a "bottom-up" fabrication approach to first grow a new class of inorganic (silica) long hair-like microfibrils or microwires and then to form monolithic solid pellet that contains parallel arrays of bundled microfibrils with a controlled orientation. During the sol-gel solution processing, reactive precursor species are utilized as molecular "building blocks" for the field-directed assembly growth of microfibrils driven by an electric field of pulsed direct current (dc) with controlled frequency...
April 20, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28124596/hybrid-clay-polymer-nanocomposites-for-the-clarification-of-water-and-effluents
#5
Giora Rytwo
A series of patents was submitted based on the use of clay-polymer nanocomposites, alone or combined with bridging agents for the clarification of water ranging from removal of algae or microbes in surface water, clarification of saline effluents or sea water before desalination, and almost complete removal of turbidity and suspended solids in several industrial very turbid effluents. In all cases clarification is obtained in seconds by the formation of 20-500 µm flocs, and their further separation by sedimentation or filtration...
January 25, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28056751/safe-and-effective-delivery-of-amphotericin-b-a-survey-of-patents
#6
Subheet Kumar Jain, Lakhvir Kaur, Abhijeet Abhijeet
BACKGROUND: Amphotericin B, designated as the gold standard among antifungal drugs is the only fungicidal effective against systemic fungal infections. But this drug has various pitfalls associated with it, to bypass which various techniques have been employed and resulted in a variety of lipid based commercially available formulations, which demolished only few of the shortcomings associated with this drug. Further, improvement in the delivery systems of Amphotericin B is advancing at increasingly frenetic pace, to surmount its research and to exploit its therapeutic potency with least toxicities...
January 5, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28056750/effective-removal-of-penicillin-from-aqueous-solution-using-zinc-oxide-natural-zeolite-composite-nano-powders-prepared-via-ball-milling-technique
#7
Majid Ghashang, Peyman Khosravian, Hamid Ghayoor
In this study, a nano-composite of zinc oxide/natural-Zeolite was synthesized by mechanical method. The obtained microstructure was characterized by FE-SEM, XRD, EDX, and DLS techniques. Two different phases were identified in XRD patterns as hexagonal ZnO and orthorhombic Zeolite with the average crystal size of 86 and 141 nm respectively. The prepared nanocomposite consists of uniform particles with the mean diameter of near 91 nm. The prepared nanocomposite is used for the removal of penicillin from aqueous solution...
January 5, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28031010/nanoemulsion-for-improved-efficacy-of-phytotherapeutics-a-patent-perspective
#8
Jasjeet Narang, Ramandeep S Narang, Javed Ali, Sanjula Baboota, Navneet Nagpal, Simrat Kaur, Harkanwal Kaur
Phytoceuticals have been used extensively worldwide due to their reduced toxicity and therapeutic efficacy. The major drawback associated with their delivery which includes lack of sustained action and lipophilicity has been overcome by applications of scientific approach by scientists and researchers. Novel drug delivery systems aimed at enhancing bioavailability, reducing toxicity and in turn improving the patient compliance have been developed with success in recent times. Recent developments in the modern phytopharmaceutical research methods have also solved the major hurdles related to the extraction, identification of constituents in polyherbal systems, and standardisation thereby further facilitating the formulation of improved dosage forms with better efficacy of the herbal drugs...
December 28, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27928944/less-common-nanostructures-nanobuds-a-micro-review
#9
Boris Ildusovich Kharisov, Oxana V Kharissova, Yolanda Peña Méndez
Synthesis, properties, structural peculiarities, and applications of nanobuds and related nanostructures are discussed. According to observed properties and those predicted by DFT calculations, the nanobuds are semiconducting and stable in normal conditions, can accept adatoms and molecules. They contain a relatively chemically inert carbon nanotubes and more active fullerene species and can be compatible with a variety of other materials, in particular polymers. In addition to nanobuds for SWCNTs, the nanobuds with graphene, small fullerenes or metal nanobud-like structures are also known...
December 7, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27915977/a-review-on-recent-patents-and-applications-of-inorganic-material-binding-peptides
#10
Veeranjaneyulu Thota, Carole C Perry
Over the past decade, significant progress has been made in the identification of novel material binding peptides having affinity to a wide range of target materials and their use in nanobiotechnological innovations. These material binding peptides (MBPs), also known as solid/ substance binding peptides (SBPs) can be isolated using combinatorial display technologies such as phage display (PD), surface display (cell, bacterial, yeast, mRNA) exhibit material specific selectivity and affinity towards a range of inorganic and organic nanomaterial surfaces including metals, metal oxides, minerals, semiconductors and biomolecules...
December 1, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27823552/nanotechnology-based-green-energy-conversion-devices-with-multifunctional-materials-at-low-temperatures
#11
Yuzheng Lua, Muhammad Afzal, Bin Zhu, Baoyuan Wang, Jun Wang, Chen Xia
Nanocomposites (integrating the nano and composite technologies) for advanced fuel cells (NANOCOFC) demonstrate the great potential to reduce the operational temperature of solid oxide fuel cell (SOFC) significantly in the low temperature (LT) range 300-600ºC. NANOCOFC has offered the development of multi-functional materials composed of semiconductor and ionic materials to meet the requirements of low temperature solid oxide fuel cell (LTSOFC) and green energy conversion devices with their unique mechanisms...
November 6, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28286941/fascinating-magnetic-energy-storage-nanomaterials-a-brief-review
#12
Vadali V. S. S. Srikanth, Kummari V. Sreenivasulu
In this brief review, we would like to elucidate an information about importance of nanotechnology, novel magnetic energy storage materials as well as how the impact of nanotechnology advances the magnetic energy storage materials to lift the modern science and technology, especially in identifying novel magnetic energy storage materials as well as recent patents on permanent magnetic materials, which will be incorporated, preparation and processing of permanent magnets of rare earth and rare-earth free materials, importance of rare earth permanent magnets and necessity of attention towards low cost rare earth free permanent magnets...
October 28, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28049393/recent-patents-on-nano-enhanced-materials-for-use-in-thermal-energy-storage-tes
#13
Luisa F Cabeza, Gerard Ferrer, Camila Barreneche, Aran Solé, José Enrique Juliá
Thermal energy storage (TES) systems using phase change materials (PCM) have been lately studied and are presented as one of the key solutions for the implementation of renewable energies. These systems take advantage of the latent heat of phase change of PCM during their melting/solidification processes to store or release heat depending on the needs and availability. Low thermal conductivity and latent heat are the main disadvantages of organic PCM, while corrosion, subcooling and thermal stability are the prime problems that inorganic PCM present...
October 27, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27978788/polymer-composite-containing-carbon-nanotubes-and-their-applications
#14
Sung-Hoon Park, Joonwon Bae
Carbon nanotubes (CNTs) are attractive nanostructures in this regard, primarily due to their high aspect ratio coupled with high thermal and electrical conductivities. Consequently, CNT polymer composites have been extensively investigated for various applications, owing to their light weight and processibility. However, there have been several issues affecting the utilization of CNTs, such as aggregation (bundling) which leads to a non-uniform dispersion and poor interfacial bonding of the CNTs with the polymer, resulting in variation in composite performance, along with the additional issue of high cost of CNTs...
October 27, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27894235/energy-efficient-graphene-based-high-performance-capacitors
#15
Joonwon Bae, Chang-Soo Lee, Oh Seok Kwon
Graphene (GRP) is an interesting class of nano-structured electronic materials for various cutting-edge applications. To date, extensive research activities have been performed on the investigation of diverse properties of GRP. The incorporation of this elegant material can be very lucrative in terms of practical applications in energy storage/conversion systems. Among various those systems, high performance electrochemical capacitors (ECs) have become popular due to the recent need for energy efficient and portable devices...
October 27, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27799030/patents-on-membranes-based-on-non-fluorinated-polymers-for-vanadium-redox-flow-batteries
#16
So-Won Choi, Tae-Ho Kim, Sang-Ho Cha
Vanadium redox flow batteries (VRFBs) have received considerable attention as large-scale electrochemical energy storage systems. In particular, VRFBs offer a higher power and energy density than other RFBs and mitigate undesirable performance fading, such as inevitable ion crossover, because of the unique advantage that only the vanadium ion is employed as the active species in the two electrolytes. The key constituent of VRFBs is a separator to conduct protons and prevent cross-mixing of the positive and negative electrolytes...
October 27, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27784262/polymer-nanocomposite-membranes-for-antifouling-nanofiltration
#17
Tahseen Kamal, Nauman Ali, Abbas A Naseem, Sher B Khan, Abdullah M Asiri
Fouling refers to the unwanted and undesirable attachment of biological macromolecules, inorganic, organic matter, and microorganisms on water contact surfaces. Fouling reduces the performance of devices involving these submerged surfaces and is considered the bottle-neck issue for various applications in the bio-medical industry, food processing, and water treatment, especially in reverse osmo-sis (RO) desalination. Investigations have proven that nanocomposite membranes can exhibit enhanced antifouling performances and can be used for longer life times...
October 25, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27784261/recent-development-of-chitosan-nanocomposites-for-environmental-applications
#18
Sher Bahader Khan, Shahid Ali Khan, Tahseen Kamal, Abdullah M Asiri, Kalsoom Akhtar
BACKGROUND: Potable, clean and safe water is the basic need for all human beings. Major portion of the earth is occupied by water, however, this is contaminated by rapid industrialization, improper sewage and natural calamities and man-made activates, which produce several water-borne and fetal diseases. In this review we presented some recent patent for environmental remediation. METHODS: Various technologies have been developed for the treatment of waste water consist of chemical, membrane, filtration, sedimentation, chlorination, disinfection, electrodialysis, electrolysis, reverse osmosis and adsorption...
October 25, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27784260/sulfonated-polyimide-clay-thin-films-for-energy-application
#19
Farman Ali, Shaukat Saeed, Syed Sakhawat Shah, Fazal Rahim, Laurent Duclaux, Jean-Marc Levêque, Laurence Reinert
BACKGROUND: Sulfonated polyimides (SPIs) are considered as the promising alternatives to Nafion as membrane materials for the polymer electrolyte membrane (PEM). They generally exhibit high ionic conductivity, good mechanical properties, excellent thermal and chemical stabilities. The six-membered ring, naphthalenic anhydride-based SPIs, not only exhibit superior chemical and thermo-oxidative stabilities but are also more resistant to hydrolysis than their five-membered phthalic anhydride-based SPIs...
October 25, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27784259/adsorption-assisted-photocatalytic-removal-of-methyl-orange-by-mgal2o4-sb2s3-composite-material
#20
Bushra Ismail, Muhammad Muneeb, Tanzeela Fazal, Abdur Rehman Khan, Mehwish Afzia
BACKGROUND: The current article is about the water treatment in which colored water contaminated by methyl orange has been used for adsorption assisted photocatalysis. Coupling of photocatalysis with the traditional water treatment processes has been in practice since last couple of years for the improvement of degradation efficiencies, for example, photocatalysis coupled with ultrafilteration, adsorption, flocculation, biological methods, photolysis, membrane distillation, etc. Among all these coupling approaches, adsorption assisted photocatalysis being a very simple and highly efficient approach is suffering from few drawbacks on the account of high cost, low stability and surface area of the adsorbent support...
October 25, 2016: Recent Patents on Nanotechnology
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