Study on H2S Occurrence in Low Sulfur Coal Seams by Fei Gao, Zhe Jia, Ji Xia, Dapeng Wang, Yulong Yang, Yafei Shan, Jiaqi Shen

“…Coal samples from the Shanxi Shaping coal mine were selected to investigate the occurrence of H2S in low sulfur coal seams. …”
Get full text

Adaptive Remaining Capacity Estimator of Lithium-Ion Battery Using Genetic Algorithm-Tuned Random Forest Regressor Under Dynamic Thermal and Operational Environments by Uzair Khan, Mohd Tariq, Arif I. Sarwat

“…The optimization of critical parameters, namely, the number of estimators (n-estimators) and the minimum number of samples per leaf (min-samples-leaf), is a focal point of this study to enhance model accuracy and robustness. …”
Get full text

Designing and analysis of flexible four legged-loaded metamaterial absorber sensor for permittivity detection of a solid substrate by Shihabun Sakib, Mohammad Tariqul Islam, Ahasanul Hoque, Abdulmajeed M. Alenezi, Mohamed S. Soliman, Haitham Alsaif

“…The average and normalized sensitivity are 107.55 MHz and 4.113 %. The sample thickness is finalized from 0.4 to 1.4 mm on the basis of the reflection coefficient of the sensor shifted linearly towards lower frequency. …”
Get full text

The nutritional evaluation of forage-based mixed rations in New Zealand using an in vitro gas production technique. 1: analytical survey by N.D. Meads, R. Tahmasbi, N. Jantasila

“…Twenty of the 260 samples were 100% total mixed rations (TMR) with no pasture content. …”
Get full text

The development and validation of HPLC-DMD method for intermediate products impurities determination of morpholinium 2-((4-(2-methoxyphenyl)-5-(pyridine-4-yl)-4H-1,2,4-triazole-3-y... by B. O. Varynskyi, A. G. Kaplaushenko

“…A method was complied with linearity criteria, specificity, precision and accuracy. …”
Get full text

Development and validation of HPLC-DAD method of determination piperidinium 2-((5-(furan-2-yl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetate in 1 % solution by B. O. Varynskyi, V. V. Parchenko, А. G. Kaplaushenko

“…The results of the method validation show that it is specific and meet the requirements of linearity, precision and accuracy.…”
Get full text

Novel Micro-LC-MS/MS Method for the Quantification of Tenofovir and Its Active Metabolite Tenofovir-Diphosphate in Biological Matrices for Therapeutic Drug Monitoring by Isabela Tarcomnicu, Simona Iacob, Valentina Anuta, Emil Neaga, Dan Otelea

“…Samples collected from treated patients were analyzed, with results being in accordance with the reported pharmacokinetics. …”
Get full text

Simultaneous determination of 22 volatile organic compounds in urine of automotive spray painting workers using static headspace gas chromatography-mass spectrometry by Mengmeng LIU, Junyu PAN, Baofeng LIU, Qiang ZENG

“…It is suitable for urine samples of spray painting workers in automotive repair industry.…”
Get full text

Simple, sensitive and specific detection method for polystyrene nanoplastics in food matrix based on peptide-modified Fe3O4@Au magnetic nanoparticles by Beibei Wang, Ling Sun, Kai Liu, Di Wu, Jinqiu Wang, Fang Geng

“…Due to the wide variety of NPs, and low concentrations in environment and food samples, the rapid and selective detection of NPs still remains a challenge. …”
Get full text

On-site salt iodine detector (OSID) kit: An alternative tool for salt iodization monitoring by Mohd Azerulazree Jamilan, Nurul Aznyda Norizan, Ahmad Ali Zainuddin, Noor ul-Aziha Muhammad, Filza Noor Asari, Aswir Abd Rashed, Mohd Fairulnizal Md Noh

“…The OSID kit was optimized for a salt weight (346.1 ± 4.9 mg) and volume of solution D (39.1 ± 1.2 µL), enabling 100 sample analyses. The validation was by its linearity (10.0–50.0 mg/Kg, R2 = 0.9956) with limit of detection (LOD, 3.6 mg/Kg), method recovery (89.5 %-99.4 %), intra-assay imprecision (coefficient of variation, CV 5.7 %), inter-assay imprecision (CV 7.0 %) and inter-operator imprecision (CV 6.1 %). …”
Get full text

Liquid chromatography-tandem mass spectrometry assay for simultaneous quantification of catecholamines and metabolites in human plasma and cerebrospinal fluid by Yuting Wang, Quan Li, Yuhang Deng, Wenqing Wu, Cuiping Zhang, Yichi Zheng, Ming Guan, Haoqin Jiang

“…We successfully detected CAs and their metabolites in plasma and CSF samples from patients with normal cognition and AD. …”
Get full text

Rapid screening of 420 pesticide residues in fruits and vegetables using ultra high performance liquid chromatography combined with quadrupole-time of flight mass spectrometry by Junmei Ma, Sufang Fan, Liqiong Yang, Liangna He, Hongwen Zhai, Xiaowei Ren, Qiang Li, Yan Zhang

“…Method verification was performed on leeks samples. The results showed that 420 pesticides had good linearity in the range of 0.1–100 μg/L, and the correlation coeffificients (R2) was greater than 0.990. …”
Get full text

Development and application of an LC–MS/MS method for quantification of fosmidomycin in human and rat plasma by Christoph Pfaffendorf, Keanu D. Sackmann, Johannes Mischlinger, Jean Claude Dejon-Agobé, Oumou Maïga-Ascofaré, Ebenezer Ahenkan, Ayôla Akim Adegnika, Michael Ramharter, Philipp Uhl, Gert Fricker, Sebastian G. Wicha

“…Results The method validation confirmed its selectivity, linearity, accuracy, precision, and stability. Notably, the calibration range was established from 0.25 to 15 mg/L, demonstrating improvements over previous methodologies with lower limits of quantification of 0.5–1.0 mg/L. …”
Get full text

Rapid Quantification of Chlorpromazine Residues in Pork Using Nanosphere-Based Time-Resolved Fluorescence Immunoassay Analyzer by Wei Wang, Jingneng Wang, Min Wang, Juan Shen

“…Under optimal conditions, the nano-TRFIA detected CPZ residues within 6 min of sample pretreatment. The results showed good linearity (R2 = 0.991), with a limit of detection (LOD) of 0.32 μg/kg, a wide dynamic range of 0.46–10.0 μg/kg, and coefficients of variation (CVs) of the overall intrabatch and interbatch assays of 7.34% and 7.65%, respectively. …”
Get full text

Utilizing quality by design methodology for liquid chromatography method development and validation in quantifying impurities in Pitolisant, a Histamine-3 (H3) receptor antagonist/... by Jayaprakash Kanijam Raghupathi, Lova Gani Raju Bandaru, Kiran Kumar Madineni, Mastan Ali Syed, Sreekantha Babu Jonnalagadda, D. Ramachandran, Naresh Kumar Katari

“…All impurities exhibited excellent linearity, with correlation values (r2) of 0.9987 or 0.9999. …”
Get full text

Location and function of TDP-43 in platelets, alterations in neurodegenerative diseases and arising considerations for current plasma biobank protocols by Ruth Luthi-Carter, Sara Cappelli, Morgan Le Roux-Bourdieu, Noemie Tentillier, James P. Quinn, Tiziana Petrozziello, Lathika Gopalakrishnan, Purva Sethi, Himanshi Choudhary, Giorgia Bartolini, Elias Gebara, Cristiana Stuani, Laure Font, Jiyan An, Vanessa Ortega, Jessica Sage, Edina Kosa, Bianca A. Trombetta, Roberto Simeone, Tamara Seredenina, Tariq Afroz, James D. Berry, Steven E. Arnold, Becky C. Carlyle, Oskar Adolfsson, Ghazaleh Sadri-Vakili, Emanuele Buratti, Robert Bowser, Abdulbaki Agbas

“…Novel TDP-43 immunoassays were developed on three different technical platforms and qualified for specificity, signal-to-noise ratio, detection range, variation, spike recovery and dilution linearity in human plasma samples. Surprisingly, implementation of these assays demonstrated that biobank-archived plasma samples yielded considerable heterogeneity in TDP-43 levels. …”
Get full text

High-Throughput Analysis of Lidocaine in Pharmaceutical Formulation by Capillary Zone Electrophoresis Using Multiple Injections in a Single Run by Andressa C. Valese, Daniel A. Spudeit, Maressa D. Dolzan, Lizandra C. Bretanha, Luciano Vitali, Gustavo A. Micke

“…The evaluation of some analytical parameters of the method showed good linearity (r2>0.999), a limit of detection 0.92 mg L−1, intermediate precision better than 3.2% (peak area), and recovery in the range of 92–102%.…”
Get full text

Arsenic Species Analysis at Trace Level by High Performance Liquid Chromatography with Inductively Coupled Plasma Mass Spectrometry by Hongfang Hou, Wanjing Cui, Qing Xu, Zhanhui Tao, Yafei Guo, Tianlong Deng

“…The relative standard deviations (RSDs) were within 2.26–3.68% and the recovery rates of samples ranged from 95 to 103%. The proposed method was applied for the arsenic speciation analysis of sediment pore-water samples, which were taken from the supernatant after centrifugation and filtration.…”
Get full text

Development of LC-MS/MS and GC-MS/MS Methods for the Detection of Ethyl Glucuronide (EtG) and Ethyl Palmitate (EtPa) in Hair by Sharnette Ashiru, Ethan Webster, Benjamin Barrett, Mathew Wade, Brian Rooney

“…The analytical method was validated by assessing linearity, precision, accuracy, recovery, sensitivity, and selectivity. …”
Get full text

Simultaneous Quantification of Limonin, Two Indolequinazoline Alkaloids, and Four Quinolone Alkaloids in Evodia rutaecarpa (Juss.) Benth by HPLC-DAD Method by Pei-ting Zhang, Bi-yan Pan, Qiong-feng Liao, Mei-cun Yao, Xin-jun Xu, Jin-zhi Wan, Dan Liu, Zhi-yong Xie

“…Separation of the seven analytes was achieved within 60 min with good linearity (). The RSD of both the intraday and interday precision was below 1.85%. …”
Get full text