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2801
Geochemical evolution and mechanisms controlling groundwater chemistry in the transboundary Komadugu–Yobe Basin, Lake Chad region: An integrated approach of chemometric analysis an...
Published 2025-02-01“…Moreover, Gibbs plots, molar ratios, and bivariate plots, along with chloroalkaline indices (CAI-I & CAI-II) confirms influence of mineral weathering and ion exchange reactions within the aquifer system. …”
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2802
A heteropolysaccharide from Rhodiola rosea L.: preparation, purification and anti-tumor activities in H22-bearing mice
Published 2023-03-01“…The chemical compositions and high performance gel permeation chromatography (HPGPC) results indicated that RLP was an acid heteropolysaccharide with the molecular weight of about 1.15×106 Da. Furthermore, ion chromatography (IC), Fourier transform infrared (FT-IR) and nuclear magnetic resoance (NMR) further indicated that RLP was main composed of →2,4)-α-Rha(1→, →5)-α-L-Araf-(1→, α-D-Glu, →6)-β-D-Galp-(1→, β-D-Man and →4)-α-GalpA-(1→. …”
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2803
Simultaneous Quantification of Aspirin, Its Metabolite Salicylic Acid, and Salvianolic Acid B in Human Plasma Using UPLC-MS/MS
Published 2021-01-01“…Salvianolic acid B, acetylsalicylic acid, and salicylic acid were quantified in multiple-reaction monitoring mode with negative ion electrospray ionization. The method was fully validated according to the current regulatory guidance for bioanalysis. …”
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2804
Accumulation and distribution of cadmium at organic-mineral micro-interfaces across soil aggregates
Published 2025-01-01“…Pot experiments were conducted to assess the impacts of mineral, organic, and microbial amendments on the Cd distribution in soil aggregates using synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectroscopy and nano-scale secondary ion mass spectrometry (NanoSIMS). Our results revealed that different soil amendments exerted varying effects on Cd accumulation in soil aggregates. …”
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2805
Apolipoprotein C-I Levels Are Associated with the Urinary Protein/Urinary Creatinine Ratio in Pediatric Idiopathic Steroid-Sensitive Nephrotic Syndrome: A Case Control Study
Published 2017-01-01“…We used surface-enhanced laser desorption/ionization time of flight MS for sample analysis. Four ion peaks with a mass-to-charge ratio (m/z) of 6,444, 6,626, 8,695, and 8,915 were significantly elevated during ISSNS Phase A1 compared to Phase A2, Phase A3, and Group C. …”
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2806
Integration of Metabolomics and Transcriptomics to Reveal the Antitumor Mechanism of <i>Dendrobium officinale</i> Polysaccharide-Based Nanocarriers in Enhancing Photodynamic Immuno...
Published 2025-01-01“…The metabolic analysis showed 69 and 60 differentially expressed metabolites (DEMs) in positive- and negative-ion modes, respectively, in the treated samples compared to the Control samples. …”
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2807
A sedimentological oxymoron: highly evolved glauconite of earliest diagenetic origin
Published 2023-04-01“…Glauconite formation allegedly requires protracted episodes of ion capture from the water column, which is no longer possible when glauconite gets trapped within authigenic carbonates. …”
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2808
Effect of bicarbonate buffer on artificial membrane permeation of drugs
Published 2025-01-01“…Experimental approach: The μFlux apparatus (pION Inc.) was used for permeability measurements. …”
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2809
Structural, Optical and Electrochromic Properties of Sol–Gel V2O5 Thin Films
Published 2003-01-01“…The films show reversible multichromism (yellow–green–blue) upon Li+ ion insertion/extraction. The absorbance of films colored at three different potentials is measured in the UV–VIS–PIR wavelength range, and this study shows that the changes in the optical absorption are consistent with the film color changes. …”
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2810
Influencing factors and quantitative prediction of gas content of deep marine shale in Luzhou block
Published 2025-01-01“…In this study, the deep marine shale of Longmaxi Formation in Luzhou area was taken as an example, vitrinite reflectance analysis, kerogen microscopy experiment, TOC content analysis, mineral composition analysis, gas content measurement, isothermal adsorption experiment, physical property analysis and argon ion polishing scanning electron microscopy experiment were carried out to find out factors affecting the gas content of deep marine shale, and a gas content prediction model has been worked out. …”
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2811
Three-Dimensional Morphology and Connectivity of Organic Pores in Shale from the Wufeng and Longmaxi Formations at the Southeast Sichuan Basin in China
Published 2021-01-01“…Organic pore types and their structural characteristics were studied using a total organic carbon (TOC), thin section, focused ion beam scanning electron microscope (FIB-SEM), and nano-CT. …”
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2812
Adsorption Performance of La(III) and Y(III) on Orange Peel: Impact of Experimental Variables, Isotherms, and Kinetics
Published 2021-01-01“…The optimal adsorption conditions were obtained at pH of 6, temperature of 40°C, appropriate dosage of 2 g/L and 3 g/L, contact time of 30 min, and initial ion concentration of 32 mg/L. Under the same condition, adsorption performance of La(III) is better than that of Y(III). …”
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2813
Unravelling Lithium Interactions in Non-Flammable Gel Polymer Electrolytes: A Density Functional Theory and Molecular Dynamics Study
Published 2025-01-01“…These findings offer insights into the Li<sup>+</sup> transport mechanism at the molecular scale in the GPE by suggesting that lithium-ion transport does not occur by hopping between polymer functional groups but by diffusion into the solvent/counter anion system. …”
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2814
Influence of Frying Methods on Quality Characteristics and Volatile Flavor Compounds of Giant Salamander (Andrias davidianus) Meatballs
Published 2021-01-01“…There was little distinction in sensory score, cohesiveness, and chewiness between the two frying methods (p>0.05). Gas chromatography ion migration chromatography (GC-IMS) was used for flavor compound analysis, and 50 flavor compounds were analyzed, containing 22 aldehydes, 11 ketones, 6 olefins, 4 acids, 3 esters, 3 alcohols, and 1 phenol. …”
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2815
Compound-Specific Chlorine Isotope Analysis of Organochlorine Pesticides by Gas Chromatography-Negative Chemical Ionization Mass Spectrometry
Published 2021-01-01“…An ionization energy of 90 eV and emission current of 90 μA were selected, and the precisions for eight organochlorine pesticides were in the range of 0.37‰–2.15‰ in single ion monitoring (SIM) mode when the injected amount was 0.50 mg L−1 (viz. 0.5 ng on column). …”
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2816
Infiltration-driven performance enhancement of poly-crystalline cathodes in all-solid-state batteries
Published 2024-10-01“…Abstract All-solid-state batteries (ASSBs) with adequately selected cathode materials exhibit a higher energy density and better safety than conventional lithium-ion batteries (LIBs). Ni-rich layered cathodes are benchmark materials for traditional LIBs owing to their high energy density. …”
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2817
Controllable synthesis of nonlayered high-κ Mn3O4 single-crystal thin films for 2D electronics
Published 2025-01-01“…MoS2 field-effect transistors (FETs) integrated with Mn3O4 thin films through mechanical stacking method operate under low voltages (<1 V), achieving a near 108 Ion/Ioff ratio and a subthreshold swing (SS) as low as 84 mV/dec. …”
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2818
One pot synthesis of poly m-toluidine incorporated silver and silver oxide nanocomposite as a promising electrode for supercapacitor devices
Published 2025-01-01“…The resulting structure of Ag-Ag2O minimizes ion diffusion distances, increases active sites, and accelerates redox reactions. …”
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2819
Synthesis and Spectroscopic and Biological Activities of Zn(II) Porphyrin with Oxygen Donors
Published 2014-01-01“…Absorption spectra show two principal effects: a red shift for phenols bearing substituted electron releasing groups (−CH3, −NH2) and blue shift for phenols bearing electron withdrawing groups (−NO2, −Cl) relative to Zn-t(p-CH3) PP, respectively. 1H NMR spectra show that the protons of the phenol ring axially attached to the central metal ion are merged with the protons of the porphyrin ring. …”
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2820
Biological Characteristics of Fluorescent Superparamagnetic Iron Oxide Labeled Human Dental Pulp Stem Cells
Published 2017-01-01“…In this study, we investigate the effects of fluorescent superparamagnetic iron oxide particles (SPIO) (Molday ION Rhodamine-B™, MIRB) on biological properties of human dental pulp stem cells (hDPSCs) and monitor hDPSCs in vitro and in vivo using magnetic resonance imaging (MRI). …”
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