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621
Urinary BA Indices as Prognostic Biomarkers for Complications Associated with Liver Diseases
Published 2022-01-01“…To develop and validate prognostic biomarkers for the prediction of complications of cholestatic liver disease based on urinary BA indices, liquid chromatography-tandem mass spectrometry was used to analyze urine samples from 257 patients with cholestatic liver diseases during a 7-year follow-up period. …”
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622
Amphetamine Positive Urine Toxicology Screen Secondary to Atomoxetine
Published 2013-01-01“…Results were positive for amphetamines; however, the presence of these substances could not be confirmed with urine gas chromatography-mass spectrometry (GC-MS). She denied any illicit drug use, herbal medications, or supplements, and her other prescription medications have not been previously known to cause a false-positive result for amphetamines. …”
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623
Alterations of Serum Bile Acid Profile in Patients with Crohn’s Disease
Published 2022-01-01“…Serum BA profiles were measured by liquid chromatography-tandem mass spectrometry. Results. Levels of primary BAs components, including cholic acid (CA) and chenodeoxycholic acid (CDCA), showed no significant difference when compared with HVs. …”
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624
First identification report for amino acid composition of red algae Gracilaria spp. obtained from Central Java, Indonesia
Published 2024-12-01“…The usage of liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS) has been growing in biomedical and environmental sciences, offering high accuracy in protein detection. …”
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625
Coupling Strategies for the Synthesis of Peptide-Oligonucleotide Conjugates for Patterned Synthetic Biomineralization
Published 2011-01-01“…Formation of the conjugates was confirmed by gel electrophoresis and mass spectrometry while molecular recognition functionality of the peptide portion was verified using atomic force microscopy. …”
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626
Screening of flavonoid aglycons’ metabolism mediated by the human liver cytochromes P450
Published 2019-12-01“…To evaluate flavonoid’s metabolism and structure of the products, high-performance liquid chromatography coupled with high-resolution mass spectrometry was used. Out of 30 flavonoids, 15 were susceptible to oxidative metabolism mediated by cytochromes P450. …”
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627
High-temperature structural disorders stabilize hydrous aluminosilicates in the mantle transition zone
Published 2025-01-01“…Here we systematically investigate the crystal structures and chemical compositions of typical hydrous aluminosilicates using single-crystal X-ray diffraction, electron probe microanalyzer, and nanoscale secondary ion mass spectrometry. These single crystals are synthesized at 15.5–22.0 GPa and 1400–1700 °C, featuring pervasive structural disorders. …”
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628
Antioxidant and Antibacterial Activities of the Essential Oil of Moroccan Tetraclinis articulata (Vahl) Masters
Published 2020-01-01“…The analysis of the major compounds of essential oil was performed by gas chromatography and mass spectrometry, and this oil is dominated by bornyl acetate (35.05%), camphor (11.17%), and α-pinene (10.84%). …”
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629
Co-Pyrolysis of Plastic Waste and Lignin: A Pathway for Enhanced Hydrocarbon Recovery
Published 2025-01-01“…The gaseous products evolved during the pyrolysis process were analyzed by combined thermogravimetric and Fourier-transform infrared spectroscopy (TG-FTIR) and chromatography-mass spectrometry (Py-GC/MS) to analyze the functional groups and chemical composition of the obtained pyrolysis products. …”
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630
Deep visual proteomics reveals DNA replication stress as a hallmark of signet ring cell carcinoma
Published 2025-02-01“…We employed Deep Visual Proteomics (DVP), which combines AI-directed cell segmentation and classification with laser microdissection and ultra-high sensitivity mass spectrometry, for cell-type-specific proteomic analysis of SRCC across the bladder, prostate, seminal vesicle, and a lymph node of a single patient. …”
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631
Dietary Risk Assessment and Ranking of Multipesticides in Dendrobium officinale
Published 2021-01-01“…Therefore, this study presents the levels of 141 pesticide residues in forty D. officinale samples, which were measured by high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). And we used a deterministic estimate model to assess chronic and acute dietary exposure risk, as well as the cumulative risks for adults, children, and specific groups of consumers. …”
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632
Dual-frequency ultrasonic oxidation of cyanobacterial toxins (MC-LR and MC-RR) at drinking water resources: Assessment of analytical methods and ultrasonic reactor configuration
Published 2025-02-01“…In this work, it was simultaneously identified and quantified with liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) without any phase extraction for sample preparation. …”
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633
Classification and determination of the tobacco raw materials authenticity during the forensic examination
Published 2024-12-01“…Modern methods of analysis are presented, in particular, instrumental methods used to establish quality and safety indicators (visual inspection, microscopic analysis, chemical analysis, physicochemical methods, gas chromatography and mass spectrometry, spectral analysis). These methods allow to examine tobacco raw materials at the molecular, chemical and morphological levels to obtain objective information about its quality, safety and other characteristics that may be important in litigation. …”
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634
Proteomics and Its Current Application in Biomedical Area: Concise Review
Published 2024-01-01“…Various sophisticated techniques are employed in proteomics, including polyacrylamide gel electrophoresis, mass spectrometry analysis, NMR spectroscopy, protein microarray, X-ray crystallography, and Edman sequencing. …”
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635
Proteomic Technology “Lens” for Epithelial-Mesenchymal Transition Process Identification in Oncology
Published 2019-01-01“…Out of the proteomic technology armentarium, mass spectrometry and array technologies are the most used approaches. …”
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636
Rapid Identification and Simultaneous Quantification of Aristolochic Acids by HPLC-DAD and Confirmations by MS in Aristolochia chilensis Using a Limited Biomass
Published 2018-01-01“…Six aristolochic acids were identified in the Chilean species Aristolochia chilensis using high-performance liquid chromatography coupled to a diode array detector (HPLC-DAD) and subsequent confirmation with mass spectrometry (MS). The fractions of each signal were collected and injected directly into an Orbitrap mass detector model Q Exactive Focus (Thermo Scientific). …”
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637
Exploring Nanoplastics Bioaccumulation in Freshwater Organisms: A Study Using Gold-Doped Polymeric Nanoparticles
Published 2025-01-01“…The results demonstrated that measuring gold content using inductively coupled plasma mass spectrometry (ICP-MS), along with confirmation of its presence through electron microscopy in selected exposed samples provides insight into the accumulation and release of nanoplastics by organisms playing a relevant ecological role at the early levels of aquatic food webs.…”
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638
Characteristic of volatile flavor compounds in ‘Fengtangli’ plum (Prunus salicina Lindl.) were explored based on GC×GC-TOF MS
Published 2025-01-01“…The purpose of this study was to explore the characteristics of volatile flavor compounds in ‘Fengtangli’ plum.MethodsThe flavor compounds of both ‘Fengtangli’ and ‘Siyueli’ plums were analyzed using comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GC×GC-TOF MS).ResultsThe results revealed the presence of 495 volatile flavor compounds in ‘Fengtangli’ plum and 466 in ‘Siyueli’ plum. …”
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639
Diversity of 4-Chloro-2-nitrophenol-Degrading Bacteria in a Waste Water Sample
Published 2016-01-01“…Gas chromatography-mass spectrometry analysis identified 5-chloro-2-methylbenzoxazole as the final product of 4C2NP decolorization in strain PC-7.…”
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640
Antiplasmodial Properties and Bioassay-Guided Fractionation of Ethyl Acetate Extracts from Carica papaya Leaves
Published 2011-01-01“…Carica papaya ethyl acetate extract was subjected to bioassay-guided fractionation to ascertain the most active fraction, which was purified and identified using high-pressure liquid chromatography (HPLC) and GC-MS (Gas chromatography-Mass spectrometry) methods. Linoleic and linolenic acids identified from the ethyl acetate fraction showed IC50 of 6.88 μg/ml and 3.58 μg/ml, respectively. …”
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