25 Result(s)
within
Zhao **-Shan
Chemistry
Characterization and Evaluation of Materials
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Article
A novel dual-signal output strategy for POCT of CEA based on a smartphone electrochemical aptasensing platform
A smartphone-based electrochemical aptasensing platform was developed for the point-of-care testing (POCT) of carcinoembryonic antigen (CEA) based on the ferrocene (Fc) and PdPt@PCN-224 dual-signal labeled st...
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Article
Recent Progress in Fabrication and Structural Design of Thermal Conductive Polymer Composites
In recent years, the demand direction for electronic equipment has expanded into embedded and miniaturized devices. The heat radiation problem has become one of the most significant factors for hindering the d...
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Article
Fiber Bending Flexibility Evaluation by Worm-like Chain Model
A new method for characterizing fiber bending flexibility was developed by worm-like chain model proposed by Kratky-Porod,[1] which was first introduced to the pulp and paper field in this study. For the three ty...
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Article
Computational study reveals substituted benzimidazole derivatives’ binding selectivity to PI3Kδ and PI3Kγ
Phosphatidylinositol 3-kinase (PI3K) is a key regulatory kinase in the PI3K/AKT/mTOR signaling pathway, which is involved in the regulation of cell proliferation, differentiation, apoptosis, and angiogenesis. ...
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Article
Theoretical study on the noncovalent interactions involving triplet diphenylcarbene
The properties of some types of noncovalent interactions formed by triplet diphenylcarbene (DPC3) have been investigated by means of density functional theory (DFT) calculations and quantum theory of atoms in mol...
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Article
Ionic liquid([C12mim][PF6])-assisted synthesis of TiO2 /Ti2O (PO4)2 nanosheets and the chemoresistive gas sensing of trimethylamine
The architecture of PO43− modified 2D TiO2 nanosheets was constructed by ionic liquids (ILs)-assisted hydrothermal method. The nanosheet structure can be regulated by the addition of different amount of ionic liq...
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Article
Plasmon-coupled microcavity aptasensors for visual and ultra-sensitive simultaneous detection of Staphylococcus aureus and Escherichia coli
Septicemia and bacteremia are serious infections in the bloodstream. Thus, time-saving and ultra-sensitive pathogenic bacteria detection is highly required. Herein, we constructed gold nanoparticle-modified po...
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Article
Preparation of Titanium-silphenylene-siloxane Hybrid Polymers with High Refractive Index, Transmittance, and Thermal Stability
Vinyl-containing titanium-silphenylene-siloxane oligomers (O1, O2, O3, and O4) with different molar ratios of titanium to silicon were successfully synthesized in high yields by nonhydrolytic sol-gel reaction, an...
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Article
PSMA-b-PNIPAM copolymer micelles with both a hydrophobic segment and a hydrophilic terminal group: synthesis, micelle formation, and characterization
Block copolymers of poly(N-isopropylacrylamide) (PNIPAM) with both a hydrophobic segment and a hydrophilic terminal group in the same chain were synthesized by reversible addition-fragmentation chain-transfer (RA...
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Article
Theoretical study of nitrogen cation modified aromatics containing thiophene as π-linker for p-type photosensitizers
On the basis of triphenylamine as an electron donor with attachment of two –COOH anchoring groups and dicyanovinyl as acceptor, ten dyes with D-π-A structures were designed to investigate the effects of differ...
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Article
L-Cysteine modified gold nanoparticles for tube-based fluorometric determination of mercury(II) ions
A fluorescent probe is described for detection of mercury(II) ion by using L-cysteine-modified gold nanoparticles (Cys-AuNP). These were fabricated by a tube-based redox reaction where Cys acts as both the red...
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Article
A hollow urchin-like α-MnO2 as an electrochemical sensor for hydrogen peroxide and dopamine with high selectivity and sensitivity
A hollow urchin-like α-MnO2 material has been synthesized by a hydrothermal method starting from MnSO4·H2O and (NH4)2S2O8, and by using silver(I) as the catalyst. It has a hollow morphology with diameters of 5–6 ...
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Article
Preparation of poly(N-isopropylacrylamide)/montmorillonite composite hydrogel by frontal polymerization
Temperature-sensitive poly(N-isopropylacrylamide)/montmorillonite (PNIPAM/MMT) composite hydrogel was prepared by frontal polymerization. The effects of the MMT content and size of the reactor on the polymeriz...
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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
Analysis of 21 progestagens in various matrices by ultra-high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) with diverse sample pretreatment
In this study, a highly sensitive and robust method using an ultra-high-performance liquid chromatography-tandem mass spectrometry combined with solid-phase extraction and ultrasonic extraction for pretreatmen...
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Article
Effects of crystallization temperature and blend ratio on the crystal structure of poly(butylene adipate) in the poly(butylene adipate)/poly(butylene succinate) blends
The effects of crystallization temperature and blend ratio on the polymorphic crystal structures of poly(butylene adipate) (PBA) in poly(butylene succinate) (PBS)/poly(butylene adipate) (PBS/PBA) blends were s...
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Article
The role of glycine residues at the C-terminal peptide segment in antinociceptive activity: a molecular dynamics simulation
Elucidating structural determinants in the functional regions of toxins can provide useful knowledge for designing novel analgesic peptides. Glycine residues at the C-terminal region of the neurotoxin BmK AGP-...
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Article
A (U)MP2(full) and (U)CCSD(T) theoretical investigation into the substituent effects on the intermolecular T-shaped F–H…π interactions between HF and LBBL (L = −H, ∶CO, :NN, –Cl, –CN and –NC)
The substituent effects on the intermolecular T-shaped F–H…π interactions are investigated between HF and LBBL (L = −H, ∶CO, :NN, –Cl, –CN and –NC) using the (U)MP2(full) and (U)CCSD(T) methods with the 6-311+...
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Article
Zirconium arsenate-modified silica nanoparticles for specific capture of phosphopeptides and direct analysis by matrix-assisted laser desorption/ionization mass spectrometry
In this paper, we report, as far as we are aware, the first use of zirconium arsenate-modified silica nanoparticles (ZrAs-SNPs) for specific capture of phosphopeptides, followed by matrix-assisted laser desorp...
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Article
Preconcentration and sensitive determination of hexabromocyclododecane diastereomers in environmental water samples using solid phase extraction with bamboo charcoal cartridge prior to rapid resolution liquid chromatography–electrospray tandem mass spectrometry
In this paper, a simple and cheap method for the simultaneous preconcentration and sensitive determination of three hexabromocyclododecane (HBCD) diastereomers (α-, β-, and γ-HBCD) in environmental water sampl...
