Overview of U.S. patent activity by PVSC 2011 technical area

Davis, C. Amelia; Davis, Rebecca F.

doi:10.1109/pvsc.2011.6186349

Cited by 5 publications

(7 citation statements)

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“…At this point, we noticed that faujasite (USY) zeolite has been succesfully used as a silica source to synthesize some 8-ring pore zeolites, such as SSZ-13 (CHA) [18] and levyne (LEV), [19] using TMAda and N-methylquinuclidinium as OSDAS, respectively.…”

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confidence: 99%

“…[21] This fact could be explained by the presence of ordered small nanoparts by decomposition/dissolution of the former crystalline zeolite that can result in the formation of different crystalline structures. [18,19,22] Here, the efficient synthesis of high-silica CHA zeolite using TEA as OSDA and high-silica USY as silicon and aluminum source will be shown. The catalytic properties of the Cuexchanged CHA zeolite will be evaluated for the selective catalytic reduction (SCR) of…”

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confidence: 99%

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High yield synthesis of high-silica chabazite by combining the role of zeolite precursors and tetraethylammonium: SCR of NOx

2015

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confidence: 99%

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confidence: 99%

High yield synthesis of high-silica chabazite by combining the role of zeolite precursors and tetraethylammonium: SCR of NOx

2015

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“…Among the available methods are melt impregnation, [1][2][3][4][5] solution processing, [6][7] film stacking, 8 commingled fibers, 9 and powder impregnation using aqueous and dry methods. [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26] Dry powder impregnated thermoplastic prepregs that use ozone generated fluidized bed are an attractive approach due to the high recyclability of the polymeric particles, as well as no solvents/surfactants are needed. 26 Moreover, availability of small particle sizes offers the potential for much higher microstructural quality through control of particle packing efficiency and coverage of fibers.…”

Section: Introductionmentioning

confidence: 99%

“…Dry powder impregnation methods have gone through various stages of development, starting from conventional fluidized beds without introducing any surface charges. 10,11,[13][14][15][16][17][22][23][24][25] The majority of the work in this area focused on optimizing the impregnation procedure for a single tow of fibers. The results showed that there were wide variations in the number density of the deposited particles/resin volume fraction on the reinforcement fibers which translated directly into higher variation in the local void content and fiber volume fraction within the tow.…”

Section: Introductionmentioning

confidence: 99%

Influence of relative humidity on charge stability of ozone treated polystyrene particles

Jaber

Obaid

Advani

et al. 2020

J of Applied Polymer Sci

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The influence of relative humidity on charge decay on polystyrene (PS) particles is investigated at room temperature by using Faraday cup and attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR) spectroscopy. The PS (2.8 ± 0.4 μm in diameter) particles were charged by using an ozone setup. The ozone charging source was from the free O-radicals generated from O 3 dissociation on the surface of the PS particles resulting in carbonyl groups formation. The charge decayed exponentially, and the decay time constants were quantified using Faraday cup for various relative humidity conditions at room temperature. The charge decay due to the interaction of the PS particles with the environment was also investigated using ATR-FTIR, where the C O stretching band at 1745 cm −1 was monitored. The decay of the C O on the PS particles is due to the reaction of the carbonyl groups with the hydronium ions [H 3 O] +. The reaction of C O with [H 3 O] + is responsible for the time dependent charge decay. From both methods, the charge decay exhibited an exponential behavior, where the time decay constants measured from the two methods were in excellent correlation. The decay time constant increased linearly with increasing the RH. A generalized master charge decay curve is established for any PS surfaces (particles/films).

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“…In previous studies, chemosynthetic polymers like polyethylene glycol (PEG) were used as drag‐tags. Though relative short PEGs with sufficient monodispersity are available, there are still limitations in chemical synthesis in terms of length/size . On the other hand, protein polymers can easily be designed to meet the requirements of an ideal drag‐tag.…”

Section: Introductionmentioning

confidence: 99%

Separation efficiency of free‐solution conjugated electrophoresis with drag‐tags incorporating a synthetic amino acid

et al. 2016

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DNA sequencing or separation by conventional capillary electrophoresis with a polymer matrix has some inherent drawbacks, such as the expense of polymer matrix and limitations in sequencing read length. As DNA fragments have a linear charge-to-friction ratio in free solution, DNA fragments cannot be separated by size. However, size-based separation of DNA is possible in free-solution conjugate electrophoresis (FSCE) if a "drag-tag" is attached to DNA fragments because the tag breaks the linear charge-to-friction scaling. Although several previous studies have demonstrated the feasibility of DNA separation by free-solution conjugated electrophoresis, generation of a monodisperse drag-tag and identification of a strong, site-specific conjugation method between a DNA fragment and a drag-tag are challenges that still remain. In this study, we demonstrate an efficient FSCE method by conjugating a biologically synthesized elastin-like polypeptide (ELP) and green fluorescent protein (GFP) to DNA fragments. In addition, to produce strong and site-specific conjugation, a methionine residue in drag-tags is replaced with homopropargylglycine (Hpg), which can be conjugated specifically to a DNA fragment with an azide site.

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Overview of U.S. patent activity by PVSC 2011 technical area

Cited by 5 publications

References 0 publications

High yield synthesis of high-silica chabazite by combining the role of zeolite precursors and tetraethylammonium: SCR of NOx

High yield synthesis of high-silica chabazite by combining the role of zeolite precursors and tetraethylammonium: SCR of NOx

Influence of relative humidity on charge stability of ozone treated polystyrene particles

Separation efficiency of free‐solution conjugated electrophoresis with drag‐tags incorporating a synthetic amino acid

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