A New Method of Extraction and Measurement of Paraquat using BN/SPE Method Using High-Performance Liquid Chromatography by Marzieh Piryaei, Mir Mahdi Abolghasemi, Monireh Sobhi

“…In this paper, a novel extraction technique termed needle tip-based solid phase nano extraction was developed that describes a rapid method for the quantitative analysis of paraquat from an environmental water sample. Under the optimum extraction conditions, the method showed good linearity in the range of 1–100 µg/mL, acceptable reproducibility (RSD: 0.9507, n =4), and limits of detection (0.1µg/mL).…”
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Extraction Efficiency of Different Solvents and LC-UV Determination of Biogenic Amines in Tea Leaves and Infusions by U. Gianfranco Spizzirri, Nevio Picci, Donatella Restuccia

“…Different extraction solvents have been tested and TCA 5% showed better analytical performances in terms of linearity, recovery percentages, LOD, LOQ, and repeatability than HCl 0.1 M and HClO4 0.1 M and was finally exploited for the quantitative determination of BAs in all samples. …”
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Simultaneous determination of 12 pyrazine compounds in sauce-flavor Baijiu of different aging years by UPLC-MS/MS by YANG Sha, LUO Yuhang, ZHANG Ji, HOU Rui

“…The results showed that 12 pyrazine compounds had a good linearity in the range of 50-1 000 μg/L (R²>0.99). …”
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Prepartum supplementation of Ascophyllum nodosum meal or ethylenediamine dihydroiodide: Effects on colostrum yield and growth and health of dairy calves by K.R. Johnston, D.C. Reyes, K.N. Klobucher, T.C. Stahl, N.N. Price, P.S. Erickson, A.F. Brito

“…Plasma glucose concentration on d 5 of life decreased linearly in response to incremental levels of ASCO meal. …”
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Newly Developed System For The Analysis Of Micro Quantites Of Molybdenum (VI) Using Flow Injection Analysis by Baghdad Science Journal

“…New microphotometer was constructed in our Laboratory Which deals with the determination of Molybdenum (VI) through its Catalysis effect on Hydrogen peroxide and potasum iodide Reaction in acid medium H2SO4 0.01 mM. Linearity of 97.3% for the range 5- 100 ppm. The repeatability of result was better than 0.8 % 0.5 ppm was obtanined as L.U. …”
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The influence of 3D printing mode on the chemical composition and structure of 30HGSA steel by Yury G. Kabaldin, Maksim S. Anosov, Yuliya S. Mordovina, Mikhail A. Chernigin

“…It was found that the degree of loss of C, Cr and Si increases almost linearly and is directly proportional to the surfacing heat input (Q, J/mm). …”
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Rapid Quantification of Gene Expression by Competitive RT-PCR and Ion-Pair Reversed-Phase HPLC by Amanda Hayward-Lester, Peter J. Oefner, Peter A. Doris

“…IPRP-HPLC appears to offer important advantages to quantitative measurements of gene expression. These include rapid sample analysis and column re-equilibration, reduced sample handling and opportunity for introduction of quantification error, avoidance of fluorescent or radioactive tracers, high detector sensitivity and linearity and excellent quantitative reliability.…”
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Estimation of some Organophosphorus Pesticides Using Carbon Paste Electrode Coupled with Molecularly Imprinted Polymers by Baghdad Science Journal

“…The extraction efficiency of the imprinted polymers has been evaluated by various parameters affecting to optimize the selective pre-concentration of OPPs from aqueous samples. The extraction efficiency of the MIPs-OPPs from environmental water samples was evaluated using carbon paste electrode and analytical parameters of the method, the slopes, linearity and detection limits of the liquid electrodes were ranged from 24.8 – 31.3 mV/decade , (10-1 - 10-7 ) mg L-1and (2.2-8.2x10-6) mg L-1, respectively with correlation coefficient (r) (0.9991-0.9998) and repeatability were established. …”
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Lithium ferrite (LiFe5O8)/polymethyl methacrylate (PMMA) nano-composite used in high dielectric constant capacitor and electromagnetic applications by Gamal M. Nasr, Emad Mousa, Mariam M. Haroun

“…The (I-V) characteristic of these nano-composites are in very good agreement with the non-linearity predicted by Kaiser et al. model. The effective dielectric constant is studied through different proposed models. …”
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Quantification of Sensitization in Aluminum–Magnesium Alloys Through Frequency-Dependent Ultrasonic Attenuation by Songwei Wang, Haiying Huang

“…By identifying the frequency range within which the attenuation parameter is linearly proportional to the frequency, the slopes of the frequency-attenuation relationship were determined and correlated with the DoS values of the sample plates. …”
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Variable Selection for Generalized Single-Index Varying-Coefficient Models with Applications to Synergistic G × E Interactions by Shunjie Guan, Xu Liu, Yuehua Cui

“…Additionally, we assess the performance of our method through finite-sample simulations with both continuous and discrete gene variables. …”
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Experimental study on friction resistance test of ultra-high-speed fracturing fluid in the mine by ZHANG Jingchen, YIN Jianyu, WU Guodong, LIU Hao, GUO Xiaodong, YAN Tuo

“…The drag reduction rate of low-viscosity fracturing fluid and medium viscosity fracturing fluid show 4 kinds of trend with the increase of flow rate: decreasing linearly, increasing linearly, increasing first and then decreasing, and decreasing first and then increasing. …”
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Development of a Gas Chromatography-Mass Spectrometry Method for the Quantification of Glucaric Acid Derivatives in Beverage Substrates by Ana Paula Craig, Christine C. Fields, John V. Simpson

“…The proposed method presented excellent intraday precision (%RSD < 10) and linearity for GL calibration curves (correlation coefficients > 0.995) and acceptable linearity for DGuA calibration curves (correlation coefficients > 0.97). …”
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Development and Validation of Targeted Metabolomics Methods Using Liquid Chromatography–Tandem Mass Spectrometry (LC-MS/MS) for the Quantification of 235 Plasma Metabolites by Kangkang Xu, Franz Berthiller, Barbara U. Metzler-Zebeli, Heidi E. Schwartz-Zimmermann

“…Fast polarity switching and scheduled SRM enhance the metabolome coverage and throughput, enabling the analysis of one sample in about 40 min. A simple “dilute and shoot” sample preparation protocol was employed, with samples injected at two dilution levels to align metabolite concentrations within calibration curve ranges. …”
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Bioanalytical method validation to quantify ketorolac in human vitreous and aqueous via surrogate matrix of human plasma by Prajita Pandey, Brianna A. White, Colin Goswell, Neelanjan Bose, Sara Butterworth Connell, Nicolee Schulze, Jim Nevelos, Ana Najafi, Ramin Najafi, Ryan K. Cheu

“…The method met the acceptance criteria with respect to selectivity, specificity, precision, accuracy, linearity, dilution integrity, and stability.Conclusions The validated method can use plasma as a surrogate matrix for quantitation of ketorolac in aqueous and vitreous humor, thereby eliminating the need to procure human vitreous and aqueous samples for validation prior to initiation of a clinical trial.…”
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Evaluation of the presence of emerging contaminants in wastewater and seawater using automated solid-phase extraction and ultra-high-performance liquid chromatography coupled to ta... by Julia Méndez-Catalán, Cristina Socas-Hernández, Gabriel Jiménez-Skrzypek, Javier Hernández-Borges, Javier González-Sálamo

“…Matrix-matched calibration showed good linearity with determination coefficients ≥ 0.990. …”
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Spectroscopic Determination of Fluoride Using Eriochrome Black T (EBT) as a Spectrophotometric Reagent from Groundwater by Atinafu G/Mariam, Abebe Diro, Tsegaye Girma Asere, Demelash Jado, Fekadu Melak

“…The calibration curve, resulting in good linearity (R2 = 0.9997), was considered during quantitative analysis of the samples and in the spiking analysis. …”
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Error-corrected ultradeep next-generation sequencing for detection of clonal haematopoiesis and haematological neoplasms - sensitivity, specificity and accuracy. by Melinda L Tursky, Crisbel M Artuz, Melissa Rapadas, Gary A Wittert, Timothy J Molloy, David D Ma

“…Sequencing blood samples from 383 community-dwelling adults (mean depth 3758×) revealed 2,190 somatic variants/sample, > 99.9% were < 0.02 VAF. …”
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Effect of Temperature on Interface Characteristics between Compacted Recycled Asphalt Pavement and Geogrid by Lin Liu, Zhaoer Zhang, Lexuan Zhang, Yong Tang, Jie Yin

“…The shear strength consistently increases linearly with the increase of applied normal stress for all RAP samples. …”
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Morphological and Optical Characterization of High Density Au/PAA Nanoarrays by Mohamed Shaban

“…Also, the reflected intensities are decreased linearly for the as-prepared sample and decreased exponentially for Au/PAA samples. …”
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