32 Result(s)
within
Ru-**a Zhao
Characterization and Evaluation of Materials
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Article
A supramolecular fluorescence sensor array for the differentiation of multiple anions and prediction of iodine in artificial urine using machine learning
The simultaneous discrimination and detection of multiple anions in an aqueous solution has been a major challenge due to their structural similarity and low charge radii. In this study, we have constructed a ...
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Article
Hydroxylated hierarchical flower-like COF for solid-phase extraction of adrenergic receptor agonists in milk
A new detection platform based on a hydroxylated covalent organic framework (COF) integrated with liquid chromatography–tandem mass spectrometry (LC–MS/MS) was constructed and used for detecting adrenergic rec...
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Article
Ultrasensitive detection of multiple cancer biomarkers by a triple cascade amplification strategy in combination with single particle inductively coupled plasma mass spectrometry
A versatile triple cascade amplification strategy was developed for ultrasensitive simultaneous detection of multiple cancer biomarkers using single particle inductively coupled plasma mass spectrometry (spICP...
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Article
Active Layer Morphology Engineering of All-polymer Solar Cells by Systematically Tuning Molecular Weights of Polymer Donors/Acceptors
In all-polymer solar cells (APSCs), number-average molecular weights (Mns) of polymer donors and polymer acceptors play an important role in active layer morphology and photovoltaic performance. In this work, bas...
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Article
Ionic covalent organic frameworks for the magnetic solid-phase extraction of perfluorinated compounds in environmental water samples
A novel magnetic ionic covalent organic framework (Fe3O4@EB-iCOFs) was designed and synthesized. It was then characterized by X-ray diffraction, N2 adsorption–desorption analysis, and magnetic measurements, among...
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Article
Monolithic Covalent Organic Framework Aerogels through Framework Crystallization Induced Self-assembly: Heading towards Framework Materials Synthesis over All Length Scales
Here, through the synergism between kinetic dynamic imine-exchange control and thermodynamic control, rarely observed compressible, porous, crystalline covalent organic framework (COF) aerogels were synthesize...
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Article
A core-shell structured magnetic covalent organic framework (type Fe3O4@COF) as a sorbent for solid-phase extraction of endocrine-disrupting phenols prior to their quantitation by HPLC
A magnetic covalent organic framework (Fe3O4@COF) with core–shell structure was fabricated at room temperature and used as an adsorbent for magnetic solid-phase extraction of polar endocrine-disrupting phenols (4...
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Article
Porous covalent organonitridic frameworks for solid-phase extraction of sulfonamide antibiotics
Porous covalent organonitridic frameworks (PCONFs) were applied as a packing in a solid-phase extraction cartridge for rapid extraction of eight sulfonamide antibiotics from complex samples. The detection was ...
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Article
A Zr(IV)-based porphyrinic metal-organic framework as a solid-phase sorbent for extraction of sulfonamides prior to their quantitation by LC-MS
A porphyrinic metal–organic framework (PCN-224) was fabricated and used as an adsorbent for solid-phase extraction of ultratrace levels of polar sulfonamide antibiotics from food and drinking waters. The PCN-2...
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Article
A hollow microporous organic network as a fiber coating for solid-phase microextraction of short-chain chlorinated hydrocarbons
A solid-phase microextraction (SPME) fiber coated with a hollow microporous organic network (H-MON) was fabricated for the analysis of short-chain chlorinated paraffins (SCCPs). The sorbent was prepared by rea...
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Article
A Biomimetic Surface for Infection-resistance through Assembly of Metal-phenolic Networks
Despite the fact that numerous infection-resistant surfaces have been developed to prevent bacterial colonization and biofilm formation, develo** a stable, highly antibacterial and easily produced surface re...
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Article
Magnetic covalent triazine-based frameworks as magnetic solid-phase extraction adsorbents for sensitive determination of perfluorinated compounds in environmental water samples
Covalent organic frameworks (COFs), which are a new type of carbonaceous polymeric material, have attracted great interest because of their large surface area and high chemical and thermal stability. However, ...
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Article
Multiple-helix cobalt(II)-based metal-organic nanotubes on stainless steel fibers for solid-phase microextraction of chlorophenol and nitrophenols from water samples
The high performance solid-phase microextraction (SPME) of polar phenols from aqueous matrices is a challenge due to the strong interaction between water molecules and polar phenols. The authors describe the f...
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Article
An alternating polymer of two building blocks based on B←N unit: Non-fullerene acceptor for organic photovoltaics
B←N coordination bond can be used to develop polymer electron acceptors for efficient all-polymer solar cells (all-PSCs). Here, we report a new alternating conjugated polymer containing two building blocks bas...
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Article
Thermal flow air post-treatment under high relative humidity for efficient and reproducible planar CH3NH3PbI3−xClx based perovskite solar cells
We report the effects of thermal flow air post-treatment on the performance of solution-processed CH3NH3PbI3−xClx based planar solar cells under high relative humidity. It is found that the treatment process resu...
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Article
Cadmium(II)-based metal–organic nanotubes as solid-phase microextraction coating for ultratrace-level analysis of polychlorinated biphenyls in seawater samples
In this study, stable cadmium(II)-based metal–organic nanotubes (Cd-MONTs) were prepared and used as a coating material for solid-phase microextraction (SPME) of polychlorinated biphenyls (PCBs) from environme...
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Article
Simultaneous determination of copper, cobalt, and mercury ions in water samples by solid-phase extraction using carbon nanotube sponges as adsorbent after chelating with sodium diethyldithiocarbamate prior to high performance liquid chromatography
Recently, a sponge-like material called carbon nanotube sponges (CNT sponges) has drawn considerable attention because it can remove large-area oil, nanoparticles, and organic dyes from water. In this paper, t...
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Article
Effects of functionalized graphenes on the isothermal crystallization of poly(L-lactide) nanocomposites
The effects of graphene oxide (GO) with polar groups and functionalized GO (fGO) with nonpolar groups on the isothermal crystallization of poly(L-lactide) (PLLA) were compared. Functionalized GO was obtained by g...
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Article
Enrichment and determination of octylphenol and nonylphenol in environmental water samples by solid-phase microextraction with carboxylated carbon nano-spheres coating prior to gas chromatography–mass spectrometry
In this paper, a novel and simple method for the sensitive determination of endocrine disrupter compounds octylphenol (OP) and nonylphenol (NP) in environmental water samples has been developed using solid-pha...
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Article
Miscibility and isothermal crystallization of poly(L-lactide) and poly(trimethylene carbonate) blends
Miscibility, isothermal crystallization kinetics, and morphology of poly(L-lactide)/poly(trimethylene carbonate) (PLLA/PTMC) crystalline/amorphous blends were studied by differential scanning calorimetry (DSC)...
