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Showing results for: clustering

iPhone 17 vs 17 Air vs 17 Pro vs 17 Pro Max (2025): which one actually fits your priorities?

Resources Phone Comparisons Mar 5, 2026

Apple’s iPhone 17 lineup looks unified from the software side, but the hardware splits into clear personalities: the base iPhone 17 is the balanced pick, the 17 Pro models are the real upgrade for zoom and serious video workflows, the Pro Max is the big-screen “do everything” option, and the 17 Air is the thin,…

Cluster Analysis of RF-EMF Exposure to Detect Time Patterns in Urban Environment: A Model-Based Approach

Research RF Safe Research Library Jan 1, 2025

This paper applies a model-based clustering approach (Log-Normal Mixture Model) to continuous RF-EMF monitoring data from the Serbian EMF RATEL network in Novi Sad to characterize temporal exposure patterns. The analysis reports separation of night versus day exposure values and identification of daytime periods…

Influence of geomagnetic disturbances on myocardial infarctions in women and men from Brazil

Research RF Safe Research Library Jan 1, 2025

This ecological analysis used a public health database of myocardial infarction admissions in São José dos Campos, Brazil (1998–2005) and categorized geomagnetic activity using the planetary Kp index. The abstract reports a higher relative frequency of MI admissions during disturbed geomagnetic conditions compared…

Supervised Machine Learning Algorithms for Bioelectromagnetics: Prediction Models and Feature Selection Techniques Using Data from Weak Radiofrequency Radiation Effect on Human and Animals Cells.

Research RF Safe Research Library Jan 1, 2020

This paper develops supervised machine-learning prediction models to analyze potential impacts of weak RF-EMF on human and animal cells using extracted laboratory experimental data from prior publications. Data from 300 peer-reviewed papers (1127 experimental case studies) were used with feature selection and…

Magnetophoretic Conductors and Diodes in a 3D Magnetic Field.

Research RF Safe Research Library Jan 1, 2016

This engineering study demonstrates magnetophoretic track designs that transport single magnetized beads and magnetically labeled single cells in a 3D time-varying magnetic field. A vertical field bias is reported to reduce particle clustering but necessitates redesigned track geometries with alternating curvature.…

Effect of ELF-EMF Exposure on Human Neuroblastoma Cell Line: a Proteomics Analysis

Research RF Safe Research Library Jan 1, 2014

This in vitro study exposed SH-SY5Y human neuroblastoma cells to a 2 mT, 50 Hz magnetic field for 3 hours and assessed protein expression using proteomics. The authors report that 189 proteins changed expression in exposed cells compared with controls, with PCA/clustering separating samples by condition. They…

Dielectric aggregation kinetics of cells in a uniform AC electric field.

Research RF Safe Research Library Jan 1, 2014

This study develops and tests a theoretical model of how HeLa cells aggregate when exposed to a uniform AC electric field. Model-derived aggregation times and predicted string-length growth rates matched numerical simulation, and experiments observed substantial clustering in the chamber. The work is framed as…

Ultrasonic propagation velocity in magnetic and magnetorheological fluids due to an external magnetic field.

Research RF Safe Research Library Jan 1, 2010

This engineering-focused study measured ultrasonic propagation velocity in hydrocarbon-based magnetic and magnetorheological fluids under an external magnetic field. The authors report that clustering structures formed in the fluids influence ultrasonic propagation velocity, with observed hysteresis and anisotropy.…

[A preliminary study on role of acid sphingomyelinase in receptor clustering induced by 50-Hz magnetic fields].

Research RF Safe Research Library Jan 1, 2009

This in vitro study exposed human amnion (FL) cells to a 50-Hz sinusoidal magnetic field (0.4 mT) for 15 minutes and assessed epidermal growth factor receptor (EGFR) clustering. The authors report that magnetic field exposure induced EGFR clustering, and that this effect was blocked by imipramine, an acid…

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