Archive

This laboratory study investigated ring-opening polymerization of ε-caprolactone using organic-acid catalysts to produce poly-ε-caprolactone intended as a biodegradable drug carrier. The authors report that citric acid catalysis yielded substantially higher molecular weight polymer than other catalysts. They also…

This study investigated 2 nm protein-stabilized gold nanoclusters in six mammalian cell types under 1 GHz electromagnetic field exposure. The authors report low intrinsic toxicity of the nanoclusters, but a significant decrease in cell viability when nanocluster-incubated cells were exposed to the 1 GHz field,…

This in vitro study evaluated microwave disinfection of dental stone casts contaminated with Bacillus subtilis under wet and dry conditions. After a drying step for the dry group (450 W for 15 minutes), both wet and dry casts were exposed to 900 W for 5 minutes and cultured to quantify CFU/mL. The authors report…

This paper describes an engineering approach to avoid RF/microwave radiation in wearable EEG data transmission by using visible light communication. The system performance was tested at different illuminance levels and an algorithm for low-illuminance operation was proposed. The authors report error-free transmission…

This cross-sectional online study surveyed Malaysian respondents about smartphone addiction behavior and awareness of electromagnetic radiation (EMR). Most participants reported smartphone dependency and reported being aware of EMR, with no significant difference in addiction behavior by accommodation type (home vs…

This computational study investigates nonlinear membrane-potential dynamics in a Fitzhugh-Nagumo single-neuron model that includes an external electromagnetic radiation term. The authors report that increasing the frequency of an external transmembrane current leads to mode selection among periodic, quasi-periodic,…

This paper describes an in vitro gene transfection technique termed water-in-oil droplet electroporation, using an intense DC electric field to deform a droplet between electrodes. The deformation can cause an instantaneous short circuit, during which transient membrane pores are reported to form and permit exogenous…

This animal and in vitro study reports a method to lyse tumor cells mechanically using targeted superparamagnetic iron oxide nanoparticles rotated by a weak alternating magnetic field. Nude mice with head and neck tumors received cetuximab-coated nanoparticles and 4 Hz field exposures for 30 minutes on alternating…

This materials study examined how growth rate and an external magnetic field affect microstructure and properties in directionally solidified Ag-Cu eutectic alloys. The lamellar spacing followed the Jackson-Hunt model with a reported constant of 5.8 µm³/s. Increasing magnetic field tilted eutectic growth and…

This review-style article discusses gerontechnologies—mobile applications on smartphones/tablets and remote monitoring systems—for outpatient symptom monitoring and self-care management in older adults with heart failure. It frames these tools as potentially cost-effective and accessible when designed for older…

This in vitro study examined how different external magnetic field conditions affect isoniazid release from superparamagnetic iron oxide microspheres. The abstract reports that magnetic fields accelerated drug release, with faster release in acidic (pH 3) conditions and the fastest completion (2 hours) under an…

This case report describes a paediatric burn injury resulting from a mobile phone lithium-ion battery explosion. The patient was treated with selective enzymatic debridement, which the authors note is simple, minimally invasive, and safe. The report concerns an acute thermal injury mechanism rather than EMF exposure.

This conference paper describes a peri-implantitis therapy using radio frequency electric current and presents numerical simulations alongside referenced clinical evidence. The abstract reports 81% successful treatment across 66 implants in 46 patients. FEM modeling suggests current preferentially concentrates in…

This in-vitro study examined whether 50 Hz extremely low frequency electromagnetic fields affect proliferation in HeLa and CHO cell cultures. The abstract reports increased proliferation in exposed cells versus controls, with the largest reported increase under repetitive exposure at 2.49 mT (40 minutes every 12…

This computational study used finite element modeling to estimate the electric field distribution in the brain during tDCS for two electrode montages targeting the left DLPFC. It systematically varied isotropic tissue conductivity profiles to assess sensitivity of predicted E-field magnitude and components in the…

This engineering-focused study examined how inter-electrode distance in transcutaneous spinal direct current stimulation (tsDCS) affects electric field distribution in the lumbar and sacral spinal cord. Peak E-field magnitudes occurred in the lumbo-sacral region for all configurations. Larger electrode separations…

This engineering-focused conference paper characterizes thrombus stiffening after radio frequency (rf) electric current treatment in the context of intra-arterial mechanical thrombectomy. The abstract reports thrombus stiffness increased by more than eightfold after rf treatment, attributed to increased crosslinking.…

This conference paper reports an engineering approach to convert wireless microwave power into near-infrared light using a miniaturized, wirelessly powered laser. The device is described as millimeter-scale and capable of being powered through >1 cm of tissue. The abstract focuses on enabling in vivo activation of…