Fabrication of a sensitive electrochemical sensor based on modified carbon paste electrode for hydrazine analysis in water samples by Ahmad Amer Al-Salman, Rafah Mohammed Thyab, Muhammad Abdel Hasan Shallal

“…The anode peak current was linearly related to hydrazine concentrations between 0.06 and 270.0 μM with a detection limit of as little as 0.02 μM. …”
Get full text

Simple Reversed-Phase HPLC Method with Spectrophotometric Detection for Measuring Acetaminophen-Protein Adducts in Rat Liver Samples by Miteshkumar Acharya, Cesar A. Lau-Cam

Get full text

Smart sensing of creatinine in urine samples: Leveraging Cu-nanowires/MoS2 quantum dots and machine learning by Geethukrishnan, Paresh Prakash Bagde, Sammishra KH, Chandranath Adak, Rajendra P. Shukla, Kiran Kumar Tadi

“…The proposed sensor exhibits linearity from 1.96 μM to 966.0 μM and shows the best performance in terms of limit-of-detection (LOD) of 2.3 μM in a complex mixture and 0.001 μM in real urine samples, with RMSE of 0.2 and 0.017 μM using artificial neural network and random forest ML models respectively. …”
Get full text

Simultaneous Determination of Ternary Mixture of Carboxin, Chlorpyrifos, and Tebuconazole Residues in Cabbage Samples Using Three Spectrophotometric Methods by Shilan A. Omer, Nabil A. Fakhre

“…The proposed methods showed excellent linearity range for three spectrophotometric methods over the concentration ranges of 1–30 μg/mL, 1–50 μg/mL, and 1–45 μg/mL for carboxin, chlorpyrifos, and tebuconazole, respectively. …”
Get full text

Linear B-cell epitope prediction for SARS and COVID-19 vaccine design: Integrating balanced ensemble learning models and resampling strategies by Fatih Gurcan

Get full text

A Novel Interrupted-Sampling Repeater Jamming Suppression Method Based on Time-Frequency Analysis and Target Sparse Reconstruction by Zijian Wang, Jiamu Li, Wenbo Yu, Yunhua Luo, Zhongjun Yu

“…Interrupted-sampling repeater jamming (ISRJ) is a new kind of coherent jamming for linear frequency modulation (LFM) signals. …”
Get full text

UAS Remote Sensing for Coastal Wetland Vegetation Biomass Estimation: A Destructive vs. Non-Destructive Sampling Experiment by Grayson R. Morgan, Lane Stevenson, Cuizhen Wang, Ram Avtar

“…Stepwise linear regression was used to develop and validate models based on both sampling approaches. …”
Get full text

Nonlinear Compensation of the Linear Variable Differential Transducer Using an Advanced Snake Optimization Integrated with Tangential Functional Link Artificial Neural Network by Qiuxia Fan, Xinqi Zhang, Zhuang Wen, Lei Xu, Qianqian Zhang

“…To extend the measurement range, this paper proposes an advanced Snake Optimization–Tangential Functional Link Artificial Neural Network (ASO-TFLANN) model to extend the linear range of LVDT. First, the Latin hypercube sampling method and the Levy flight method are introduced into the snake optimization (SO) algorithm, which enhances the global search ability and diversity preservation ability of the SO algorithm and effectively solves the common overfitting and local optimal problems in the training process of the gradient descent method. …”
Get full text

Modeling the critical causal factors of postharvest losses in the vegetable supply chain in eThekwini metropolitan municipality: The log-linear regression model by Siphesihle Qange, Lelethu Mdoda, Asanda Mditshwa

“…The study adopted a cross-sectional research design and a multi-stratified random sampling method. Descriptive statistics and log-linear regression were used to analyze the data. …”
Get full text

Testing and analysis of footwear insole copolymers by FTIR-ATR, non-sampling Raman probe spectroscopy, and thermal gravimetric analysis by Sayo O. Fakayode, Peter Rosado Flores, Brinkley Bolton, Bailey Dassow, Kate Moore, Kayley Owens

“…This study reports the first combined use of FTIR-ATR, non-sampling Raman probe spectroscopy and Thermal Gravimetric Analysis (TGA) for copolymer analyses of different classes of footwear. …”
Get full text

Non-uniform Rectilinear Grid in the Waveguide Modeling of the Vocal Tract by Tahir Mushtaq QURESHI, Khalid Saifullah SYED, Asim ZAFAR

Get full text

The Influence of Manipulative Media Usage on Students' Understanding of Fraction Operations in Elementary Schools by Ibnu Imam Al Ayyubi, Nurhikmah, Siti Rahmawati, Siti Hajar Trimulyati, Teti Setiawati

“…Data analysis included the Kolmogorov-Smirnov normality test, linearity test, as well as correlation and regression tests using SPSS version 26. …”
Get full text

Impact of Lubrication on Shear Deformation During Asymmetrical Rolling: A Viscoplastic Analysis of Slip System Activity Using an Affine Linearization Scheme by I Putu Widiantara, Siti Fatimah, Warda Bahanan, Jee-Hyun Kang, Young Gun Ko

“…Two conditions—lubricated and non-lubricated samples—were examined under asymmetrical rolling. …”
Get full text

Investigating the non‐linear association between sleep duration and type 2 diabetes: conventional and Mendelian randomization analyses from the UK Biobank by Hiroyuki Kuroda, Shiu Lun Au Yeung, Ryosuke Fujii, Masao Iwagami, Atsushi Goto

“…This finding was consistent with non‐linear MR of accelerometer‐derived sleep duration (HR of 9 h compared with 7 h, 0.78; 95% CI, 0.29–2.06). …”
Get full text

A multivariate non-linear decomposition analysis of urban-rural disparities in overweight/obesity among men aged 20–49 in Ghana by Prince Tsekpetse, Samuel Salu, Joshua Shiuma, Brenda Nambozo, Brian Tonny Makoko, Bright Opoku Ahinkorah

Get full text

The non-linear relationship between atherogenic index of plasma and stroke: a study among middle-aged and elderly Chinese adults with depression by Lu Chen, Yanan Zhao, Pengjia Wang, Xuanzhi Feng, Jiawei Han, Qianyu Yang, Xuesen Su, Yan Liu, Shouyuan Tian

“…The cross-sectional analysis included 4,055 samples. In the retrospective cohort study, 2,861 participants who had no stroke at baseline were selected and followed up for the development of stroke. …”
Get full text

Comparison of glucose concentrations in samples frozen for varying durations and subjected to freeze-thaw cycles using 2 assay systems by Anay D. Ravelo, Megan Ruch, Isaac J. Salfer, Luciano S. Caixeta

“…Thus, the first objective was to investigate the stability of glucose in samples that have been frozen for an increased duration or frozen and thawed up to 4 times. …”
Get full text

Nonuniform Sampled-Data Control for Synchronization of Semi-Markovian Jump Stochastic Complex Dynamical Networks with Time-Varying Delays by N. Sakthivel, Yong-Ki Ma, M. Mounika Devi, G. Manopriya, V. Vijayakumar, Mooyul Huh

“…To achieve exponential synchronization, we designed a nonuniform sampled-data control approach. By constructing an appropriate Lyapunov–Krasovskii functional and using the Wirtinger inequality, sufficient criteria were obtained in terms of linear matrix inequalities. …”
Get full text

Fast screening of gold in rock samples using polyurethane foam extraction and inductively coupled plasma mass spectrometry determination by Jalal Hassan, Naeemeh Zari, Mohammad-Hadi Karbasi

“…The results showed that the proposed technique has a good analytical efficiency compared to the standard fire assay method and the accuracy of work is in the range of 74–125 %. The equation of linear calibration curve was obtained with regression coefficient better than 0.9997, and the detection and quantification limit of the gold in aqueous and soil sample obtained 0.25 and 0.8 µg kg −1, respectively. • This method is inexpensive and fast for determination of gold in various samples. • This method has high thought of sample determination. • This method is green chemistry method.…”
Get full text

Chromosome aberrations in human lymphocytes due to external and/or internal irradiation of blood samples by 137Cs in model experiments in vitro by V. A. Kurochkina, L. K. Bezdrobna, T. V. Tsyhanok, M. V. Strilchuk, I. A. Maliuk

“…The linear dependence of the yield of unstable chromosomal aberrations in human lymphocytes on the dose of prolonged external and/or internal irradiation of peripheral blood samples by 137Cs in the dose range of 0.09 - 0.54 Gy in vitro is presented. …”
Get full text