Results 71 to 80 of about 114,205 (258)

The Effects of High Exposure to Smartphone from ages 3 to 5 years on Children's behaviors

open access: yesEuropean Psychiatry, 2017
IntroductionSmartphones are becoming widely popular and the number of users is significantly increasing, reaching over 65% in South Korea in 2013 and the children begin to use a smartphone at earlier age. Earlier and higher exposure of multimedia is known to have negative effects on children's physical and mental status.ObjectivesThe aim of the present
S.J. Kim, S.M. Cho, K.Y. Lim
openaire   +2 more sources

Enhanced Operational Stability of Carbene‐Metal‐Amide Organic Light‐Emitting Diodes by Reducing Electron Accumulation on the Emitter

open access: yesAdvanced Optical Materials, EarlyView.
Carbene‐metal‐amide (CMA) organic LEDs suffer from poor stability despite submicrosecond excited‐state lifetimes. Here, we show that electron accumulation on CMA emitters triggers bond cleavage, while poor electron transport amplifies OLED instability.
Rishabh Saxena   +8 more
wiley   +1 more source

Design and Modeling of a High‐Displacement, Skin‐Integrated Flexible Electromagnetic Actuator for Haptic Interfaces in Virtual Reality

open access: yesAdvanced Robotics Research, EarlyView.
A flexible, skin‐integrated electromagnetic actuator is developed for wearable virtual/augmented reality (VR/AR) haptic systems. A tunable design model enables control over displacement and resonance frequency. The system is validated through a custom VR application with a 6 × 4 actuator array, demonstrating real‐time, spatially targeted tactile ...
Naji Tarabay   +9 more
wiley   +1 more source

Comparison of smartphone ophthalmoscopy vs conventional direct ophthalmoscopy as a teaching tool for medical students: the COSMOS study

open access: yesClinical Ophthalmology, 2019
Yeji Kim, Daniel L Chao Department of Ophthalmology, Shiley Eye Institute, University of California, San Diego, CA, USA Purpose: To investigate the utility of smartphone ophthalmology for medical students for learning fundoscopy compared with direct ...
Kim Y, Chao DL
doaj  

Differential associations of exercise intensity, duration, and frequency with smartphone addiction: the mediating roles of mindfulness and anxiety

open access: yesFrontiers in Psychology
ObjectiveThis study adopts a specificity perspective of different dimensions of physical exercise to examine the relationships between exercise intensity, duration, and frequency and smartphone addiction among college students, as well as the underlying ...
Huangkun Chen   +4 more
doaj   +1 more source

Depression, anxiety, and smartphone addiction in university students- A cross sectional study.

open access: yesPLoS ONE, 2017
ObjectivesThe study aims to assess prevalence of smartphone addiction symptoms, and to ascertain whether depression or anxiety, independently, contributes to smartphone addiction level among a sample of Lebanese university students, while adjusting ...
Jocelyne Matar Boumosleh, Doris Jaalouk
doaj   +1 more source

Additional file 3: of Smartphone adapters for flexible Nasolaryngoscopy: a systematic review

open access: yes, 2018
Table S3. Commercially available Health Insurance Portability and Accountability Act (HIPAA)-compliant secure mobile applications. (DOCX 46 kb)
Quimby, A.   +3 more
openaire   +1 more source

Wavy‐Interlocked Stretchable Triboelectric Nanogenerators Enhanced by Liquid Metal Microflowers for Self‐Powered Wearable Motion Monitoring

open access: yesAdvanced Science, EarlyView.
Schematic showing a stretchable triboelectric nanogenerator based on interlocked wavy architectures that uses EGaIn microflower‐embedded PVDF‐TrFE and Nylon‐6 nanofiber membranes. The multi‐petaled, electron‐rich EGaIn microflowers enhance interfacial polarization and capacitance, while the interlocked wavy architecture enlarges the effective contact ...
Qianqian Xu   +12 more
wiley   +1 more source

The mediating role of loneliness in the relationship between smartphone addiction and subjective well-being

open access: yesScientific Reports
As smartphones become increasingly prevalent worldwide, the relationship between smartphone addiction and subjective well-being has become a focal point in academic circles.
Peng Su, Mu He
doaj   +1 more source

Toward Prostate Cancer Early Warning with a Self‐Powered Wearable Biosensing Platform Integrated with Machine Learning

open access: yesAdvanced Science, EarlyView.
ABSTRACT Current prostate cancer detection methods remain limited in non‐invasiveness and specificity, prompting interest in urinary biomarkers such as sarcosine. Here, we report a urine‐powered wearable platform for non‐invasive sarcosine detection as a proof‐of‐concept for decentralized early warning.
Jing Xu   +10 more
wiley   +1 more source

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