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Let the light be a guide:Chromophore communication in metalorganic frameworks

Nano Research 2021年第2期14卷 338-354页

作者： corey R.Martin Preecha Kittikhunnatham Gabrielle A.Leith Anna A.Berseneva Kyoung Chul Park Andrew B.Greytak Natalia B.Shustova Department of Chemistry and Biochemistry University of South CarolinaColumbia631 Sumter SteetSouth Carolina 29208USA

The photonic characteristics of chromophore-containing metal-organic frameworks(MOFs)have led to extensive photophysical studies in an effort to capitalize on the potency of precisely controlled chromophore *** examples have laid the foundation that demonstrates how photophysical properties of chromophores can be manipulated by tuning their communications(interactions)through integration within a MOF *** main focus of this review is on harnessing the versatile MOF platform to accentuate the photophysical properties of integrated *** particular,this review will highlight chromophore dynamics that enhance,alter,or tune the photoluminescence response of single-and multi-chromophore-containing scaffolds,as well as alignment-guided anisotropic *** upon this groundwork,utilization of a hybrid crystalline motif can induce preferential orientation of chromophores resulting in enhanced communication and tailored behavior compared to randomly oriented emissive ***,frameworks that produce upconverted emission via sensitized triplet-triplet annihilation(sTTA),excited-state absorption(ESA),energy transfer upconversion(ETU),multi-photon absorption(MPA),or second-harmonic generation(SHG)can invoke dynamic control of material properties using photochromic linkers and will be discussed herein with a focus on the effects of chromophore *** within a framework is a vehicle tofuse chromophores into solid-state platforms,opening an avenue for chromophore utilization in applications such as portable electronics that require solids or thin *** those reasons,the design of chromophore-containing MOFs with desirable properties that rely on the alignment and communication of hundreds of chromophores within a single platform is a pressing demand for the development of futuristic technologies.

关键词： chrom ophores photophysics photon upconversion photochromism anisotropic photolum inescence optoelectronics

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Myo-inositol reduces β-catenin activation in colitis

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World Journal of Gastroenterology 2017年第28期23卷 5115-5126页

作者： Emily M Bradford corey A Thompson Tatiana Goretsky Guang-Yu Yang Luz M Rodriguez Linheng Li Terrence A Barrett Division of Gastroenterology Department of Internal MedicineUniversity of Kentucky Department of Internal Medicine Northwestern University Feinberg School of Medicine Division of Cancer Research National Cancer InstituteDCP/GOCRGBethesda Department of Surgery Walter Reed National Military Medical Center Department of Pathology and Laboratory Medicine University of Kansas School of Medicine and Stowers Institute for Medical Research

To assess dietary myo-inositol in reducing stem cell activation in colitis, and validate pβ-cateninS552 as a biomarker of recurrent *** examined the effects of dietary myo-inositol treatment on inflammation, pβ-cateninS552 and pAkt levels by histology and western blot in IL-10-/- and dextran sodium sulfate-treated colitic mice. Additionally, we assessed nuclear pβ-cateninS552 in patients treated with myo-inositol in a clinical trial, and in patients with and without a history of colitis-induced *** mice, pβ-cateninS552 staining faithfully reported the effects of myo-inositol in reducing inflammation and intestinal stem cell activation. In a pilot clinical trial of myo-inositol administration in patients with a history of low grade dysplasia (LGD), two patients had reduced numbers of intestinal stem cell activation compared to the placebo control patient. In humans, pβ-cateninS552 staining discriminated ulcerative colitis patients with a history of LGD from those with benign *** crypts with increased numbers of pβ-cateninS552 - positive cells can be utilized as a biomarker in colitis-associated cancer chemoprevention trials.

关键词： Chemoprevention Dysplasia Biomarker Stem cell Colitis-associated cancer

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Do Cells Make Noise?

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当代外语研究 2008年第3期 2-3页

作者： corey Binns 汪洋

细胞能发声?美国加州大学研究人员认为,运送蛋白质的分子马达造成细胞壁震动而发声。但是,英国曼彻斯特大学两位生物学家不但能"听到"人体细胞发出的声音,还能辨别正常细胞和癌细胞发出的声音的不同。研究者们希望能运用这项技术以取代... 详细信息

细胞能发声?美国加州大学研究人员认为,运送蛋白质的分子马达造成细胞壁震动而发声。但是,英国曼彻斯特大学两位生物学家不但能"听到"人体细胞发出的声音,还能辨别正常细胞和癌细胞发出的声音的不同。研究者们希望能运用这项技术以取代传统的、不完全可靠的活组织切片检查。

关键词：发声组织切片酵母细胞分子马达细胞壁声音蛋白质加州大学体细胞研究人员

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Using <i>ScalIT</i>for Performing Accurate Rovibrational Spectroscopy Calculations for Triatomic Molecules: A Practical Guide

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Applied Mathematics 2014年第17期5卷 2756-2763页

作者： corey Petty Bill Poirier Department of Chemistry and Biochemistry Texas Tech University Lubbock Texas USA

This paper presents a practical guide for use of the ScalIT software package to perform highly accurate bound rovibrational spectroscopy calculations for triatomic molecules. At its core, ScalIT serves as a massively scalable iterative sparse matrix solver, while assisting modules serve to create rovibrational Hamiltonian matrices, and analyze computed energy levels (eigenvalues) and wavefunctions (eigenvectors). Some of the methods incorporated into the package include: phase space optimized discrete variable representation, preconditioned inexact spectral transform, and optimal separable basis preconditioning. ScalIT has previously been implemented successfully for a wide range of chemical applications, allowing even the most state-of-the-art calculations to be computed with relative ease, across a large number of computational cores, in a short amount of time.

关键词： Rovibrational Spectroscopy Iterative Matrix Solver Lanczos Quasiminimal Residual Molecular Bound States HO2

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幸福可以选择

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作者： corey等

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Methods for the development and assessment of atrial fibrillation and heart failure dog models

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Journal of Geriatric Cardiology 2011年第3期8卷 133-140页

作者： Jon F Urban Renee L Gerhart Jason R Krzeszak corey R Leet Linnea R Lentz Carolyn B McClay Medtronic Inc. 710 Medtronic Parkway MS C200 Minneapolis MN 55432-5604 USA

Objective To report Medtronic experiences with the development of animal models for atrial fibrillation （AF） and chronic heart failure （CHF） using high-rate pacing for AF and microemboli for CHF. Methods For the AF model, an atrial lead was attached to a Medtronic SynergyTM neurostimulator, which was programmed to stimulate at 50 Hz in an on-off duty cycle. Atrial natfiuretic peptide （ANP）, brain natriuretic peptide （BNP） and N-terminal pro brain nalriuretic peptide （NT-proBNP） were assayed at select time points. For CHF model, a serial injection of 90 μm polystyrene microspheres at 62,400 beads/mL （Polybead, Polysciences, Inc.） was performed to induce global ischemia, either with weekly monitoring and embolization schedule （group 1, n = 25） or with biweekly monitoring and emboliation schedule （group 2, n = 36 ）. Echocardiograms were used along with ventriculograms and magnetic resonance imaging scans weekly to assess cardiac function and ANP, BNP and NT-proBNP were monitored. Results For the AF model, the days to sustained AF for four animals following surgery were 7, 25, 21 and 19, respectively; For the CHF model, the days to meet CHF endpoints were 116 in group 1 and 89 in group 2. For both AF and CHF models, NT-proBNP correlated well with the development of disease states. Conclusion Our experience for the development and assessment of AF and CHF dog models may help researchers who are in search for animal model for assessing the safety and efficacy of a device-based therapy.

关键词： atrial fibrillation congestive heart failure biological markers dog models microembolism

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Artificial lights improve the catchability of snow crab (Chionoecetes opilio) traps

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Aquaculture and Fisheries 2017年第3期2卷 124-133页

作者： Khanh Q.Nguyen Paul D.Winger corey Morris Scott M.Grant Fisheries and Marine Institute Memorial University of NewfoundlandSt.John'sNL A1C 5R3Canada Fisheries and Oceans Canada St John'sNL A1C 5X1Canada Nha Trang University 2 Nguyen Dinh ChieuNha Trang 57000Viet Nam

This study investigated the behaviour and commercial catchability of snow crab(Chionoecetes opilio)in response to different low-powered LED lights under laboratory and field *** created a novel choice-experiment in a laboratory setting in which we investigated the behaviour of snow crab in response to coloured LED *** results showed that snow crab movement was dependent on light colour,with animals choosing to move toward blue and white lights,away from purple lights,and no detectable effect for green and red *** then conducted two field experiments to investigate the effect of the same LED lights on the catch rates of commercial traps during the 2016 snow crab fishery on the east coast of Newfoundland and *** from the first field experiment showed that adding white and purple LED lights into baited traps significantly improved Catch Per Unit Effort(CPUE)by 77% and 47% *** from the second field experiment showed that unbaited traps equipped with only LED lights(no bait),could also catch snow crab in comparable amounts to traditional baited traps,with soak time and depth explaining some of the variation in *** together,these experiments suggest that fishing enterprises can improve their catching performance and profitability by adding LED lights to their traps,or by using LED lights as a bait replacement.

关键词： Chionoecetes opilio Snow crab LED light Catchability Crab behaviour

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心理咨询与治疗经典案例

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作者： (美)Gerald corey

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Gain in polycrystalline Nd-doped alumina: leveraging length scales to create a new class of high-energy, short pulse, tunable laser materials

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Light(Science & Applications) 2018年第1期7卷 783-794页

作者： Elias H.Penilla Luis F.Devia-Cruz Matthew A.Duarte corey L.Hardin Yasuhiro Kodera Javier E.Garay Advanced Materials Processing and Synthesis(AMPS)Laboratory UC San DiegoLa JollaCA 92093USA Materials Science&Engineering and Mechanical&Aerospace Engineering University of CaliforniaSan DiegoLa JollaCA 92093USA

Traditionally accepted design paradigms dictate that only optically isotropic(cubic)crystal structures with high equilibrium solubilities of optically active ions are suitable for polycrystalline laser gain *** restriction of symmetry is due to light scattering caused by randomly oriented anisotropic crystals,whereas the solubility problem arises from the need for sufficient active dopants in the *** criteria limit material choices and exclude materials that have superior thermo-mechanical properties than state-of-the-art laser ***(Al_(2)O_(3))is an ideal example;it has a higher fracture strength and thermal conductivity than today’s gain materials,which could lead to revolutionary laser ***,alumina has uniaxial optical proprieties,and the solubility of rare earths(REs)is two-to-three orders of magnitude lower than the dopant concentrations in typical RE-based gain *** present new strategies to overcome these obstacles and demonstrate gain in a RE-doped alumina(Nd:Al_(2)O_(3))for the first *** key insight relies on tailoring the crystallite size to other important length scales—the wavelength of light and interatomic dopant distances,which minimize optical losses and allow successful Nd *** result is a laser gain medium with a thermo-mechanical figure of merit of R_(s)~19,500 Wm^(−1) a 24-fold and 19,500-fold improvements over the high-energy-laser leaders Nd:YAG(R_(s)~800Wm^(−1))and Nd:Glass(R_(s)~1Wm^(−1)),***,the emission bandwidth of Nd:Al_(2)O_(3) is broad:~13 *** successful demonstration of gain and high bandwidth in a medium with superior R_(s) can lead to the development of lasers with previously unobtainable highpeak powers,short pulses,tunability,and high-duty cycles.

关键词： dopant tunable high

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心理学与个人成长

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作者： (美)Gerald corey (美)Marianne Schneider corey

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