32 research outputs found

    Supplementary document for Tunable ultra-narrowband filter based on the metal-cladding resonant waveguide - 6134260.pdf

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    Dispersion properties, ultrahigh order modes, the ATR dips of the ultrahigh-order modes are discrete, the wavelength variation relationship with the incident angle of light, experimental results of the waveguide</p

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    An easy fabricated, simple control and label-free micro-detection system was demonstrated in a PDMS chip and a new method to distinguish particle’ size in a FBG-FP cavity is exhibited. In our experiment, The period of FBG is 535.5 nm and the left and right length of the FBG is 5 mm and 3 mm, respectively. An amplified spontaneous emission (ASE) source with wavelength from 1528 nm to 1573 nm is coupled into the input fiber. The output signal is detected by an optical spectral analyzer (OSA, MS9740A) with a resolution of 0.03 nm. Two 25-μm particles pass through the cavity continuously and the flow rate is about 5 μL hr-1. The high-speed OSA clearly shows a rapid spectral change when a particle passes through the cavity

    Visualization 1: Making few-layer graphene photoluminescent by UV ozonation

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    Visualization 1 Originally published in Optical Materials Express on 01 November 2016 (ome-6-11-3527

    Preparation and Size Control of Sub-100 nm Pure Nanodrugs

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    Pure nanodrugs (PNDs), nanoparticles consisting entirely of drug molecules, have been considered as promising candidates for next-generation nanodrugs. However, the traditional preparation method via reprecipitation faces critical challenges including low production rates, relatively large particle sizes, and batch-to-batch variations. Here, for the first time, we successfully developed a novel, versatile, and controllable strategy for preparing PNDs via an anodized aluminum oxide (AAO) template-assisted method. With this approach, we prepared PNDs of an anticancer drug (VM-26) with precisely controlled sizes reaching the sub-20 nm range. This template-assisted approach has much higher feasibility for mass production comparing to the conventional reprecipitation method and is beneficial for future clinical translation. The present method is further demonstrated to be easily applicable for a wide range of hydrophobic biomolecules without the need of custom molecular modifications and can be extended for preparing all-in-one nanostructures with different functional agents

    Pipeline for the identification of tobacco TF sequences from the 1,159,022 GSRs

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    <p><b>Copyright information:</b></p><p>Taken from "TOBFAC: the database of tobacco transcription factors"</p><p>http://www.biomedcentral.com/1471-2105/9/53</p><p>BMC Bioinformatics 2008;9():53-53.</p><p>Published online 25 Jan 2008</p><p>PMCID:PMC2246155.</p><p></p

    Snapshot of the page showing the results of BLAST searches with the tobacco TF contigs against 46,546 tobacco EST sequences from the ESTobacco project 18

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    <p><b>Copyright information:</b></p><p>Taken from "TOBFAC: the database of tobacco transcription factors"</p><p>http://www.biomedcentral.com/1471-2105/9/53</p><p>BMC Bioinformatics 2008;9():53-53.</p><p>Published online 25 Jan 2008</p><p>PMCID:PMC2246155.</p><p></p> A total of 557 of the transcription factor contigs are supported by EST sequences

    Files for taxonomy comparison

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    Synthetic mock dataset used for taxonomy assignment comparison, across multiple read lengths. File includes scripts used and raw validation data

    Files for validation of beta diversity using 16S rDNA regions V3 to V5

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    Synthetic mock datasets (100 replicates) used for validation of beta diversity across synthetic communities using 16S rDNA region V3 to V5. File also includes scripts and resulting raw data for the validation

    Files for validation of beta diversity using 16S rDNA regions V6 to V9

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    Synthetic mock datasets (100 replicates) used for validation of beta diversity across synthetic communities using 16S rDNA region V6 to V9. File also includes scripts and resulting raw data for the validation

    Carbon Nanoparticle-based Ratiometric Fluorescent Sensor for Detecting Mercury Ions in Aqueous Media and Living Cells

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    A novel nanohybrid ratiometric fluorescence sensor is developed for selective detection of mercuric ions (Hg<sup>2+</sup>), and the application has been successfully demonstrated in HEPES buffer solution, lake water, and living cells. The sensor comprises water-soluble fluorescent carbon nanoparticles (CNPs) and Rhodamine B (RhB) and exhibits their corresponding dual emissions peaked at 437 and 575 nm, respectively, under a single excitation wavelength (350 nm). The photoluminescence of the CNPs in the nanohybrid system can be completely quenched by Hg<sup>2+</sup> through effective electron or energy transfer process due to synergetic strong electrostatic interaction and metal–ligand coordination between the surface functional group of CNPs and Hg<sup>2+</sup>, while that of the RhB remains constant. This results in an obviously distinguishable fluorescence color variation (from violet to orange) of the nanohybrid solution. This novel sensor can effectively identify Hg<sup>2+</sup> from other metal ions with relatively low background interference even in a complex system such as lake water. The detection limit of this method is as low as 42 nM. Furthermore, the sensing technique is applicable to detect Hg<sup>2+</sup> in living cells
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