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Solid-phase extraction of Cu, Co and Pb on oxidized single-walled carbon nanotubes and their determination by inductively coupled plasma mass spectrometry.
TLDR
A novel method using a microcolumn packed with single-walled carbon nanotubes (SWNTs) as a new adsorption material was developed and has been successfully applied for the determination of trace Cu, Co and Pb in real water sample with the recoveries of 96.0-109%.
Speciation analysis of inorganic arsenic in natural water by carbon nanofibers separation and inductively coupled plasma mass spectrometry determination.
TLDR
It was found that during all the steps of the separation, As(III) was selectively sorbed on the microcolumn packed with CNFs within a pH range of 1.0-3.0 in the presence of ammonium pyrroinedithiocarbamate (APDC), while As(V) was passed through the micro column without the retention.
Comprehensive identification of 125 multifarious constituents in Shuang-huang-lian powder injection by HPLC-DAD-ESI-IT-TOF-MS.
  • H. Sun, M. Liu, +4 authors Shizhong Chen
  • Chemistry, Medicine
    Journal of pharmaceutical and biomedical analysis
  • 10 November 2015
TLDR
A high-performance liquid chromatography-diode array detector-electrospray ionization-ion trap-time of flight-mass spectrometry method was established for excellent separation and structural identification of constituents in Shuang-huang-lian powder injection and could provide valuable information for the quality control and further investigation of SHLPI formula.
Speciation of chromium and its distribution in tea leaves and tea infusion using titanium dioxide nanotubes packed microcolumn coupled with inductively coupled plasma mass spectrometry.
TLDR
The experimental results indicated that Cr(III) was quantitatively retained on TDNTs in the pH range of 5.0-8.0, while Cr(VI) remained in the solution.
Honokiol protects brain against ischemia–reperfusion injury in rats through disrupting PSD95–nNOS interaction
TLDR
Honokiol has a therapeutic window of at least 5h after the onset of cerebral ischemia or 3h after reperfusion in rats, which may be in part ascribed to the disruption of the PSD95-nNOS interaction leading to the inhibition of neurotoxic NO production.
Separation and chromium speciation by single-wall carbon nanotubes microcolumn and inductively coupled plasma mass spectrometry
Microcolumn packed single-walled carbon nanotubes (SWCNTs) were used as solid phase extraction adsorbent for chromium speciation coupled to inductively coupled plasma mass spectrometry for detection.
Carbon Nanofibers as Solid‐Phase Extraction Adsorbent for the Preconcentration of Trace Rare Earth Elements and Their Determination by Inductively Coupled Plasma Mass Spectrometry
Abstract Systematic investigations were carried out into the sorption of rare earth elements (REEs) on carbon nonofibers (CNFs) by inductively coupled plasma mass spectrometry (ICP‐MS). The
Titanium dioxide nanotubes as solid-phase extraction adsorbent for on-line preconcentration and determination of trace rare earth elements by inductively coupled plasma mass spectrometry
Abstract In this work, a novel method was developed for the determination of trace rare earth elements in biological and environmental samples by inductively coupled plasma mass spectrometry (ICP-MS)
Electrospinning direct synthesis of magnetic ZnFe 2 O 4 /ZnO multi-porous nanotubes with enhanced photocatalytic activity
Abstract Magnetic ZnFe 2 O 4 /ZnO (ZFO/ZnO) multi-porous nanotubes have been first fabricated via a facile electrospinning and subsequent calcination process. A series of ZFO/ZnO photocatalysts with
Honokiol inhibits the inflammatory reaction during cerebral ischemia reperfusion by suppressing NF-κB activation and cytokine production of glial cells
TLDR
Honokiol has a potent anti-inflammatory effect in cerebral ischemia-reperfusion mice and this effect might be attributed to its inhibition ability on the NF-κB activation, consequently blocking the production of inflammatory factors including: NO, tumor necrosis factor-α (TNF-α) and RANTES/CCL5 in glial cells.
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