Determination of the Chemical Stability of Cyanocobalamin in Medical Food by a Validated Immunoaffinity Column-Linked HPLC Method by Wonjong Lee, Yoon-Bok Lee, Moon Haeng Huh, Jae Kwon Choi

“…The linearity of this method was calculated with a value of the coefficient of determination (R2) ≥ 0.999. …”
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Eco-friendly HPTLC method for Trifluridine and Tipiracil determination: Quality-by-design meets green analytical chemistry by Amruta Balekundri, Eknath D. Ahire, Rakesh U. Shelke, Dinesh D. Rishipathak, Sanjay J. Kshirsagar

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High Performance Liquid Chromatography Method for Determination of Trace Amount of Ibutilide Fumarate in Pharmaceutical Manufacturing Environments by M. Satya Babu, Prathama S. Mainkar, Y. Anjaneyulu

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Development and Validation of a High‐Performance Liquid Chromatography Method for the Determination of Epoxyaurapten From Pomelo Peel by Hui Ni, Dongfeng Guo, Xue Li, Lijun Li, Yuanfan Yang, Xiping Du, Yang Hu, Shuyu Zhang, Feng Chen, Fan He

“…The effects of extraction solvent, liquid‐to‐material ratio, ultrasonic time, and extraction cycles on the extraction of epoxyaurapten from pomelo peel were investigated, and the optimal sample pretreatment conditions were determined to ensure the extraction efficiency. The results indicated a high degree of precision with a linear correlation coefficient of 0.9999. …”
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Simultaneous Determination of Multiple Acid-Suppressing Drugs by UPLC-MS/MS Method and Application for Pharmacokinetics Study by Li X, Liu S, Yu M, Xi W, Wu X, Liu D, Liu A, Wang H

“…Precisely quantifying their plasma levels is crucial for clinical pharmacokinetic assessments and therapeutic drug monitoring.Aim: This study aimed to establish a generic and efficient ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) assay for the determination of five PPIs (esomeprazole, rabeprazole, ilaprazole, lansoprazole, and pantoprazole) and the P-CAB (vonoprazan) in human plasma.Methods: The six analytes were extracted from human plasma via protein precipitation and a single dilution step. …”
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Continuous Flow Injection Analysis Method for the Determination of a Drug Diphenhydramine Hydrochloride by Using Phosphomolybdic Acid by Muntadhar M. Jabbar, Elham N. Mezaal

“… The study presented a new method for determining diphenhydramine hydrochloride (DPH) in its pure form and some pharmaceutical preparations, within CFIA technique. …”
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Determination of Crack Resistance of the Cover and Slide Glass by Indentation Method with the Visualization Using Atomic Force Microscopy by V. A. Lapitskaya, T. A. Kuznetsova, S. A. Chizhik

“…Crack resistance was determined by the Vickers pyramid indentation method. …”
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A Validated RP HPLC-PAD Method for the Determination of Hederacoside C in Ivy-Thyme Cough Syrup by Ayman Khdair, Mohammad K. Mohammad, Khaled Tawaha, Eman Al-Hamarsheh, Hatim S. AlKhatib, Bashar Al-khalidi, Yasser Bustanji, Samer Najjar, Mohammad Hudaib

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Establishment of QuEChERS-UPLC-MS/MS method to determine three kinds of ochratoxins in coffee by GAO Yunkai, CHEN Xiaomei, CHEN Chunqian, ZHOU Lingyu, DENG Yinglin, YIN Qingchun

“…<b>Objective：</b> A new method was developed for the simultaneous determination of three kinds of ochratoxins in coffee by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) combined with QuEChERS pretreatment. …”
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ALTERNATIVE METHOD FOR DETERMINING METAL UPTAKE FROM WATER BY ESCHERICHIA COLI K12 CD3 by N. M. T. Jebril, A. K. Murad, R. A. Majeed, A. H. Al-Sabary, I. A. Abed, B. H. Hashim

“…By comparison, usual TEM-EDX analyzes show that the concentration was not qualitatively determined. At the same time, the ICP-M device was not as efficient in measuring cadmium concentrations. …”
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Energy Efficiency of Heat Pumps Heating Systems at Subsoil Waters for South-East Regions of Europe by Denysova A.E., Klymchuk O.A., Ivanova L.V., Zhaivoron O.S.

“…This article is devoted to the methods for increasing the operational efficiency of the single-stage and two-stage schemes of heat pump installations for heating systems, based on the energy saving principles. …”
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Profitability and Technical Efficiency Analysis of Rice Production in Quan’ Pan Local Government Area of Plateau State, Nigeria by Vihi Samuel Keghter, Makwin Francis Malel, Jesse Birma, Owa Grace Tijesu, Selzing Peter Musa, Ochelle Blessing, Mwolgwan Nandom

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Methodology of determining of the transfer function of engagement kinematics of accelerations of an aircraft and its elliptic coordinates in alternative representation by V. V. Legkostup

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Analytical approach for simultaneous determination of azoxystrobin, prothioconazole and trifloxystrobin in plant protection products by Lazić Sanja, Šušnjar Aleksandra, Vuković Slavica, Ećimović Jelena, Đukanović Mitar, Šunjka Dragana

“…In this study, an isocratic reversed-phase high-performance liquid chromatographic (RP-HPLC) method with diode array detection (DAD) was developed and validated for simultaneous determination of azoxystrobin, trifloxystrobin and prothioconazole in plant-protection products. …”
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Estimation of Damage Degree of Buildings in Earthquakes by Statistical Modeling Method by A. G. Tamrazyan, T. A. Matseevich

“…After transforming the elements of these databases, new statistical characteristics of damageability were obtained with variation coefficient values less than 0.30. The research results can be used to determine the seismic load calculation through the permissible damage coefficient.…”
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Estimation of Reverberation Time in Classrooms Using the Residual Minimization Method by Artur NOWOSWIAT, Marcelina OLECHOWSKA

“…The objective of the residual minimization method is to determine a coefficient correcting the Sabine’s model. …”
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Determination of the Machine and Tractor Fleet Optimal Composition for a Model Cotton­Textile Cluster by M. T. Toshboltaev, M. R. Dzhiyanov

“…(Research purpose) To calculate the required amount of agricultural machinery based on the established standards. (Materials and methods) The authors developed an algorithm for determining the standard coefficients of the equipment necessity per 1000 hectares of arable land. …”
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Development and validation of an HPLC-DAD analytical method for quantitative and simultaneous determination of cefoperazone and prednisolone in intramammary ointment by Patrícia Espinosa dos Santos, Jefferson Annunciatto, Teófilo Fernando Mazon Cardoso, Marcos Serrou do Amaral, Nájla Mohamad Kassab

“…The method was applied in intramammary ointments, showing linearity, for CPZ, from 0.25 to 25 μg mL-1 (r=0.9999); and, for PRED, from 0.75 to 30 μg mL-1 (r=0.9997), with low limits of detection and quantification, precision with coefficients of variation less than 2%, in accuracy, presented recovery close to 100% for both drugs, in addition to demonstrating their robustness by the Youden test, which evaluated the effects and concluded that the altered parameters in the test were not sufficient to change the values obtained in the determinations. …”
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Development of a Method for the Determination of Chromium and Cadmium in Tannery Wastewater Using Laser-Induced Breakdown Spectroscopy by Mahwish Bukhari, M. Ali Awan, Ishtiaq A. Qazi, M. Anwar Baig

“…This paper illustrates systematic development of a convenient analytical method for the determination of chromium and cadmium in tannery wastewater using laser-induced breakdown spectroscopy (LIBS). …”
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Determination of Total Flavonoids Contents and Antioxidant Activity of Ginkgo biloba Leaf by Near-Infrared Reflectance Method by Ling-jia Zhao, Wei Liu, Su-hui Xiong, Jie Tang, Zhao-huan Lou, Ming-xia Xie, Bo-hou Xia, Li-mei Lin, Duan-fang Liao

“…The coefficients of determination (R2) for TFC and total antioxidant activity prediction were 0.8863 and 0.8486, respectively; and the root mean square errors of prediction (RMSEP) were 2.203 mg/g and 0.2211 mM/g, respectively. …”
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