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Solvent‐Based and Matrix‐Matched Calibration Methods on Analysis of Ceftiofur Residues in Milk and Pharmaceutical Samples Using a Novel HPLC Method
Published 2024-11-01Subjects: Get full text
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Application of Liquid Chromatography-Tandem Mass Spectrometry for the Detection of Paralytic Shellfish Poison in Bivalve Shellfish and Its Influencing Factors
Published 2025-01-01“…The major factors affecting matrix effects includes endogenous interferences such as phospholipids and proteins and exogenous interferences such as organic substances and polymer residues in the detection methods. …”
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Simultaneous Determination of 13 Constituents of Radix Polygoni Multiflori in Rat Plasma and Its Application in a Pharmacokinetic Study
Published 2020-01-01“…The method was fully validated in terms of selectivity, linearity, accuracy, precision, recovery, matrix effects, and stability. The lower limit of quantitation of the analytes was 0.1–1 ng/mL. …”
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ANALYSIS OF TRACE ELEMENT CONCENTRATIONS IN ARTICHOKES AT DALAT USING TOTAL REFLECTION X-RAY FLUORESCENCE
Published 2020-09-01“…The main benefits of TXRF include simplicity, rapid measurement, simultaneous determination of the concentrations of many elements, small sample size, and no matrix effects. This study aimed to determine the concentrations of inorganic elements in locally grown artichokes. …”
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Determination of Tropifexor in Beagle Dog Plasma by UPLC-MS/MS and Its Application in Pharmacokinetics
Published 2022-01-01“…The recoveries of the analytes were >88.13% and were free of significant matrix effects. The stability met the requirements for the quantification of plasma samples under various conditions. …”
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Direct Determination of Flavanone Isomers in Citrus Juice by Paper Spray Tandem Mass Spectrometry
Published 2024-12-01“…The method demonstrated excellent analytical performance, with high accuracy, selectivity, and reproducibility. The impact of matrix effects was mitigated through the construction of ratio calibration curves, ensuring reliable quantification in complex matrices. …”
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Simultaneous Determination of Five Components of Chaihu-Shugan-San in Beagle Plasma by HPLC-MS/MS and Its Application to a Pharmacokinetic Study after a Single Dose of Chaihu-Shuga...
Published 2020-01-01“…The recovery rate (n = 6) of the five analytes was between 85.42% and 90.85%, and the matrix effects (n = 6) were between 94.52% and 103.91%. …”
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4-Thiobenzoic acid-functionalized nanocomposite probes for surface-enhanced raman spectroscopy-based detection of CA19-9 in colorectal adenocarcinoma
Published 2025-04-01“…Recovery studies in spiked serum samples yielded results ranging from 94.5 % to 105.2 %, indicating minimal matrix effects. Clinical validation using 70 serum samples (50 colorectal adenocarcinoma patients, 20 healthy volunteers) showed strong agreement with a commercial ELISA kit (Pearson's r = 0.987, p < 0.0001). …”
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Carboxylated Multiwalled Carbon Nanotubes as Dispersive Solid-Phase Extraction Sorbent to Determine Eighteen Polychlorinated Biphenyls in Vegetable Samples by Gas Chromatography-Ma...
Published 2019-01-01“…Parameters affecting both the extraction yields and cleanup efficiency, including the type and volume of extraction solvent, extraction time, type and volume of cleanup sorbent, and cleanup time, were optimized. Matrix effects were evaluated, and matrix-matched calibration was recommended. …”
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Simultaneous determination of 15 pesticide residues in Chinese cabbage and cucumber by liquid chromatography-tandem mass spectrometry utilizing online turbulent flow chromatography
Published 2021-01-01“…Recoveries of pesticide residues were in range of 75.3%–103.7%. Matrix effects for 15 pesticides were in range of 5.6%–106.6%. …”
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Pharmacokinetics and Bioavailability Study of Tubeimoside I in ICR Mice by UPLC-MS/MS
Published 2018-01-01“…The average recovery was >66.9%, and the matrix effects were from 104.8% to 111.0%. In this assay, a fast, highly sensitive, and reproducible quantitative method was developed and validated in mouse blood for the first time. …”
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Pharmacokinetic Analysis of Diosgenin in Rat Plasma by a UPLC-MS/MS Approach
Published 2022-01-01“…The recoveries of diosgenin and tanshinone IIA were 85.81–100.27% and 98.29%, respectively, with negligible matrix effects. Diosgenin and IS were stable under multiple storage conditions. …”
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Green analysis of illicit drugs on banknote dust
Published 2025-03-01“…A UHPLCHRMS system with ethanol as the organic modifier was used to develop and optimize the chromatographic method; a stable isotope labelled internal standard for each analyte was used to compensate matrix effects and possible losses. The Levene test, Mandel's test, and Shapiro-Wilk's test were used to obtain the best calibration model. …”
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Optimization of the Extraction Protocol for Pacific Ciguatoxins from Marine Products Prior to Analysis Using the Neuroblastoma Cell-Based Assay
Published 2025-01-01“…In addition, a reduction in adverse matrix effects in the CBA-N2a analyses was demonstrated with naturally contaminated specimens, increasing the sensitivity of the method, which now meets the very low guidance level recommended by international agencies. …”
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Simultaneous Determination of Multiple Acid-Suppressing Drugs by UPLC-MS/MS Method and Application for Pharmacokinetics Study
Published 2025-02-01“…Extraction recoveries were consistent, ranging from 88.1% to 96.7%, with no significant matrix effects observed. The stability of the six analytes under diverse storage and processing conditions was also confirmed, with both precision and accuracy falling within the acceptable range of 15%. …”
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Development and Validation of an UHPLC-MS/MS Method for Quantification of DMAG in Rat Plasma and Its Application in a Preliminary Pharmacokinetic Study in Thrombocytopenia Rats
Published 2023-01-01“…The recovery and matrix effects of DMAG were within 94.85%–100.40% and 94.55%–102.46%, respectively. …”
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Effect of Pretreatment on Detection of 37 Pesticide Residues in Chrysanthemum indicum
Published 2021-01-01“…The influence of QuEChERS extraction and matrix solid-phase dispersion (MSPD) on the recovery and matrix effect (ME) was compared. extraction and matrix solid-phase dispersion (MSPD) on the recovery and matrix effect (ME) was compared to decrease the ME. …”
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Economic Spectrofluorometric Bioanalysis of Empagliflozin in Rats’ Plasma
Published 2021-01-01“…The method was validated with satisfactory results for linearity (500–5000 ng/mL), trueness, precision, the matrix effect, and extraction recovery. The matrix effect ranged between 15.63% and 23.10% for LQC and HQC samples, respectively. …”
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