Articles with "tta" as a keyword



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Time to Appendectomy and Risk of Complicated Appendicitis and Adverse Outcomes in Children

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Published in 2017 at "JAMA Pediatrics"

DOI: 10.1001/jamapediatrics.2017.0885

Abstract: Importance Management of appendicitis as an urgent rather than emergency procedure has become an increasingly common practice in children. Controversy remains as to whether this practice is associated with increased risk of complicated appendicitis and… read more here.

Keywords: complicated appendicitis; tta; risk complicated; time ... See more keywords
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Strategies for High-Performance Solid-State Triplet-Triplet-Annihilation-Based Photon Upconversion.

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Published in 2020 at "Advanced materials"

DOI: 10.1002/adma.201908175

Abstract: Photon upconversion via triplet-triplet annihilation (TTA) has achieved high efficiencies in solution and within polymer matrices that support molecular migration systems. It has diverse potential applications including bioimaging, optical sensors, and photovoltaics. To date, however,… read more here.

Keywords: solid state; state; annihilation; tta ... See more keywords
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High‐Gain of NdIII Complex Doped Optical Waveguide Amplifiers at 1.06 and 1.31 µm Wavelengths Based on Intramolecular Energy Transfer Mechanism

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202209239

Abstract: Chelate phosphine oxide ligand (9,9‐dimethyl‐9H‐xanthene‐4,5‐diyl) bis (diphenylphosphineoxide) (XPO) is prepared as a neutral ligand to synthesize complex Nd (TTA)3 (XPO) (TTA = 2‐thenoyltrifluoroacetone). An appropriate energy gap between the XPO and TTA ligands, which can… read more here.

Keywords: waveguide; tta; energy; xpo ... See more keywords
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Separate optogenetic manipulation of Nerve/glial antigen 2 (NG2) glia and mural cells using the NG2 promoter

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Published in 2022 at "Glia"

DOI: 10.1002/glia.24273

Abstract: Nerve/glial antigen 2 (NG2) is a protein marker of NG2 glia and mural cells, and NG2 promoter activity is utilized to target these cells. However, the NG2 promoter cannot target NG2 glia and mural cells… read more here.

Keywords: ng2 promoter; tta; mural cells; ng2 glia ... See more keywords
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Constructing Stable and Porous Covalent Organic Frameworks for Efficient Iodine Vapor Capture.

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Published in 2021 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202100032

Abstract: Covalent organic frameworks (COF) with periodic porous structures and tunable functionalities are a new class of crystalline polymers connected via strong covalent bonds. Constructing COF materials with high stability and porosity is attracting and essential… read more here.

Keywords: cof; tta; organic frameworks; capture ... See more keywords
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Evaluation of the relationship of chronic otitis media with the Körner's septum, auditory tube angle, and tubotympanic angle

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Published in 2021 at "Surgical and Radiologic Anatomy"

DOI: 10.1007/s00276-020-02653-x

Abstract: This study aimed to evaluate the relationships between chronic otitis media (COM) and the characteristics of Auditory tube (Eustachian) angle (ATa), tubotympanic angle (TTa), and Körner's septum (KS). A retrospective research was conducted between January… read more here.

Keywords: angle; otitis media; tta; tubotympanic angle ... See more keywords
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Exploration of photophysical behavior of RE(TTA)3 dpphen molecular complexes doped in PMMA and PS matrices

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Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.167350

Abstract: Abstract This paper put forward the synthesis and photophysical characterization of hybrid organic rare earth complexes namely RE(TTA)3dpphen(RE = Eu/Eu0.5Sm0.5/Sm; Eu: Europim, Sm: Samarium, TTA: 2-Thenoyltrifluoroacetone, dpphen: 4, 7- diphenyl, 1, 10-phennathroline) doped in polymethylmethacrelate… read more here.

Keywords: formic acid; emission; blended films; tta ... See more keywords
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Photo and electroluminescence of a phenylene vinylene conjugated polymer containing bipirydine units and chelated europium complex

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Published in 2021 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2020.117764

Abstract: Abstract A conjugated polymer, poly[5,5'-(2,2'-bipyridylene)vinylene-alt-co-2,5-(1,4-bis(octyloxy)vinylene (PBPyVOctV), was synthesized by the polymerization of 5,5'-divinyl-2,2'-bipyridine with 1,4-dibromo-2,5-bis octyloxy) benzene through a Heck cross-coupling reaction. Then, a metallopolymer, PBPyVOctV-Eu(tta)3, was obtained by the bipyridine chelating coordination of PBPyVOctV… read more here.

Keywords: vinylene; tta; europium; pbpyvoctv ... See more keywords
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SME investment best strategies. Outliers for assessing how to optimize performance

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Published in 2018 at "Physica A: Statistical Mechanics and its Applications"

DOI: 10.1016/j.physa.2018.06.039

Abstract: Abstract Any research on strategies for reaching business excellence aims at revealing the appropriate course of actions any executive should consider. Thus, discussions take place on how effective a performance measurement system can be estimated,… read more here.

Keywords: best strategies; investment best; tta; investment ... See more keywords
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Enhancing Triplet-Triplet Annihilation Upconversion: From Molecular Design to Present Applications.

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Published in 2022 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.2c00307

Abstract: ConspectusPhoton upconversion, the process of converting low-energy photons into high-energy ones, has been widely applied for solar energy conversion, photoredox catalysis, and various biological applications such as background-free bioimaging, cancer therapy, and optogenetics. Upconversion materials… read more here.

Keywords: tta; energy; upconversion; triplet annihilation ... See more keywords
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Triplet–Triplet Annihilation in 9,10-Diphenylanthracene Derivatives: The Role of Intersystem Crossing and Exciton Diffusion

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b01336

Abstract: Triplet–triplet annihilation (TTA) is an attractive way to boost the efficiency of conventional fluorescent organic light-emitting diodes (OLEDs). TTA-active anthracene derivatives are often considered as state-of-the-art emitters due to the proper energy level alignment. In… read more here.

Keywords: tta; intersystem crossing; triplet; triplet triplet ... See more keywords