Results 111 to 120 of about 643,510 (292)

The role of an omnipresent pocket device : smartphone attendance and the role of user habits [PDF]

open access: yes, 2013
Smartphones are convergent, always-on pocket devices that have taken up an important role in the life of their users. This warrants a closer look into how this medium is used in every-day situations.
De Marez, Lieven   +2 more
core   +1 more source

Graphene‐Interfaced Stretchable Sweat Patch for Multiplexed Electrochemical Monitoring of IL‐6, Glucose, and Calcium Ions

open access: yesAdvanced Materials Technologies, EarlyView.
Flexible sweat sensor patch integrating graphene‑interfaced gold microelectrodes functionalized with bio‑receptors and ion‑selective membrane, coupled with a capillary‑driven microfluidic layer and portable potentiostat electronics for multiplexed monitoring of inflammatory, metabolic, and electrolyte biomarkers in microliter sweat volumes.
Roomia Memon   +4 more
wiley   +1 more source

Smartphone Wars [PDF]

open access: yes
None.Technology and ...
Hahn, Robert W., Singer, Hal J.
core   +1 more source

Multi‐Dielectric Metasurfaces for Ultrabright, Tunable Structural Color and Reconfigurable Optical Filtering with Extraordinarily Large Color Span

open access: yesAdvanced Optical Materials, EarlyView.
Structural color generation is an emerging field for digital display and printing applications. This report presents a novel truncated‐cone design and the first use of GaP sandwiched between two layers of TiO2, demonstrating ultra‐bright, tunable colors with a record color gamut.
Md Rumon Miah   +2 more
wiley   +1 more source

Smartphone Addiction in Turkish Adolescents: A Network Analysis

open access: yesAddicta: The Turkish Journal on Addictions
In this study, the relationship between smartphone addiction nodes was examined by network analysis. The participants consisted of 406 adolescents aged between 13 and 18. Data were collected using the Smartphone Addiction Scale-Short Version.
Bilal Kaya
doaj   +1 more source

Remote Control of Hand Actuators via Glove Sensors for Medical Care Applications

open access: yesAdvanced Robotics Research, EarlyView.
This study presents a novel textile‐based sensory glove–actuator system for remote medical care, explored through finite element simulations. By integrating capacitive sensors, pneumatic actuators, and machine learning, the system models real‐time hand movement control.
Bahman Taherkhani, Mahdi Bodaghi
wiley   +1 more source

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

open access: yesAdvanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

Relationship between depression, anxiety, stress and smartphone addiction in COVID-19 nursing students

open access: yesRevista Latino-Americana de Enfermagem
Objective: to verify the relationship between symptoms of depression, anxiety, stress and smartphone addiction in COVID-19 nursing students. Method: this was a descriptive-analytical study of 206 nursing students.
Marilyse de Oliveira Meneses   +1 more
doaj   +3 more sources

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

SMARTPHONE USAGE AS A RISK FACTOR OF MYOPIA AMONG ELEMENTARY SCHOOL STUDENTS IN KEDIRI

open access: yesJurnal Berkala Epidemiologi
Background: Myopia is the inability to view distant objects. Most cases of myopia occur in school-age children. Working and studying from home due to the COVID-19 epidemic exacerbates myopia concerns. The Kediri City Health Office reports that school-age
Ladinna Amanda Sari   +3 more
doaj   +1 more source

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