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5121
Application of Multivariable Analysis and FTIR-ATR Spectroscopy to the Prediction of Properties in Campeche Honey
Published 2016-01-01“…The developed models were validated using cross-validation and external validation; several statistical parameters were obtained to determine the robustness of the calibration models: (PCs) optimum number of components principal, (SECV) standard error of cross-validation, (R2cal) coefficient of determination of cross-validation, (SEP) standard error of validation, and (R2val) coefficient of determination for external validation and coefficient of variation (CV). …”
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5122
Sequential testing of complementary hypotheses about population density
Published 2025-06-01Get full text
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5123
Predicting the value of the rock quality index in the Q-system using gene expression programming
Published 2019-11-01“…The innovation of this paper is that instead of 6 parameters, only three influential ones were used for determining the value of Q. Using the three parameters RQD, Jn and Ja, which have been determined as the most effective parameters and applying Pearson correlation analysis method, the value of Q can be determined with an acceptable approximation. …”
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5124
Environmental assessment for predicting groundwater degradation of “Rey” municipality
Published 2015-02-01Get full text
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5125
Direct Quantitative Analysis of Arsenic in Coal Fly Ash
Published 2012-01-01“…A rapid, simple method based on graphite furnace atomic absorption spectrometry is described for the direct determination of arsenic in coal fly ash. …”
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5126
Environmental Sample Stability for Pharmaceutical Compound Analysis: Handling and Preservation Recommendations
Published 2023-01-01“…Efficient and resilient techniques for handling samples are essential for detecting pharmaceutical compounds in the environment. …”
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5127
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5128
Quantitative Analysis of Panax ginseng by FT-NIR Spectroscopy
Published 2014-01-01“…Near-infrared spectroscopy (NIRS), a rapid and efficient tool, was used to determine the total amount of nine ginsenosides in Panax ginseng. …”
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5129
Rapid Quality Identification of Decoction Pieces of Crude and Processed Corydalis Rhizoma by Near-Infrared Spectroscopy Coupled with Chemometrics
Published 2021-01-01“…These methods can greatly improve the efficiency of traditional Chinese medicine analysis and provide a strong scientific basis for the quality identification and control of traditional Chinese medicine.…”
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5130
Compound Specific Extraction of Camptothecin from Nothapodytes nimmoniana and Piperine from Piper nigrum Using Accelerated Solvent Extractor
Published 2014-01-01“…CPT and piperine were determined and quantified by using a simple and efficient UFLC-PDA (245 and 343 nm) method. …”
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5131
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5132
Analysis of an Aqueous Extract from Turkish Galls Based on Multicomponent Qualitative and Quantitative Analysis Combined with Network Pharmacology and Chemometric Analysis
Published 2024-01-01“…Statistical analysis revealed significant differences in the content of these 4 components across 14 batches of TG, with GA and PEGG identified as the primary contributors to the variations. This study determined a quality index for TG, providing a reference for quality evaluation and introducing a cost-effective and efficient quality control method. …”
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5133
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5134
Catalase-Based Modified Graphite Electrode for Hydrogen Peroxide Detection in Different Beverages
Published 2016-01-01Get full text
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5135
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5136
A Simple, Rapid, Fluorometric Assay for Dopamine by In Situ Reaction of Boronic Acids and cis-Diol
Published 2019-01-01“…An efficient, sensitive, and low-cost method has been developed for turn-on fluorescence sensing of dopamine (DA). …”
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5137
Quantitative Measurement of Plasma Free Metanephrines by a Simple and Cost-Effective Microextraction Packed Sorbent with Porous Graphitic Carbon and Liquid Chromatography-Tandem Ma...
Published 2021-01-01“…The analytes were well resolved, and potential interferences (54 substances) were investigated. This method was linear from 24.7–2717 pg/mL for metanephrine (MN) and 24.5–4010 pg/mL for normetanephrine (NMN) with a coefficient of determination (R2) higher than 0.994. …”
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5138
Validation and Discriminant Analysis of the Athens Insomnia Scale in Older Adults
Published 2025-06-01“…ABSTRACT Objective This study aimed to validate and discriminate the “Athens Insomnia Scale” in aged. Methods Patients were assessed using the Athens Insomnia Scale (AIS) and the Pittsburg Sleep Quality Index (PSQI). …”
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5139
Acylation of Chiral Alcohols: A Simple Procedure for Chiral GC Analysis
Published 2012-01-01“…The best resolutions were obtained with 2-pentyl acetates (α=3.00) and 2-hexyl acetates (α=1.95). This method provides a very simple and efficient experimental workup procedure for analyzing chiral alcohols by chiral-phase GC.…”
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5140
Preparation of Imazethapyr Surface Molecularly Imprinted Polymers for Its Selective Recognition of Imazethapyr in Soil Samples
Published 2018-01-01“…The results showed that good linearity was observed in the range of 0.10–5.00 μg/mL, with a correlation coefficient of 0.9995. The limit of detection (LOD) of this method was 15 ng/g, and the extraction recoveries of imazethapyr from real samples were in the range of 91.1–97.5%, which proved applicable for analysis of trace imazethapyr in soils. …”
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