Results 61 to 70 of about 186,928 (291)

Multifunctional Bio‐Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile Applications

open access: yesAdvanced Materials, EarlyView.
An overview of design principles and scalable fabrication strategies for multifunctional bio‐based packaging. Radiative cooling films, modified‐atmosphere films/membranes, active antimicrobial/antioxidant platforms, intelligent optical/electrochemical labels, and superhydrophobic surfaces are co‐engineered from material chemistry to mesoscale structure
Lei Zhang   +6 more
wiley   +1 more source

Recent Advances in Electrospun Nanofibers for Triboelectric Nanogenerators: Performance Enhancement Strategies and Emerging Applications

open access: yesAdvanced Materials, EarlyView.
This review highlights recent advances in electrospun nanofiber‐based triboelectric nanogenerators, emphasizing how material design, fiber architecture, and interface engineering collectively enhance output performance and mechanical durability. Key developments in porous, aligned, core‐shell, and hierarchical nanofibers are discussed alongside ...
MD Fajla Rabbi   +3 more
wiley   +1 more source

Perancangan Perangkat Lunak pada Sistem Parkir Berbasis Komputer dengan Aplikasi Teknologi Bluetooth

open access: yesVolt: Jurnal Ilmiah Pendidikan Teknik Elektro, 2016
Penelitian ini bertujuan untuk merancang suatu sistem secara terkomputerisasi yang bisa mengontrol suatu proses yang terjadi di area parkir, seperti mendeteksi pengguna yang masuk atau keluar dan menjamin kendaraan yang sedang parkir.
Liza Afrini
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane   +4 more
wiley   +1 more source

A Low-Power High-Data-Transmission Multi-Lead ECG Acquisition Sensor System

open access: yesSensors, 2019
This study presents a low-power multi-lead wearable electrocardiogram (ECG) signal sensor system design that can simultaneously acquire the electrocardiograms from three leads, I, II, and V1.
Liang-Hung Wang   +7 more
doaj   +1 more source

Mobslinger: The Fastest Mobile in the West. [PDF]

open access: yes, 2006
Whilst there is a number of location sensing games emerging for mobile phones, from both commercial and academic sectors, there are few examples of social proximity based games that are effectively position independent.
Chehimi, Fadi   +3 more
core  

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

open access: yesAdvanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu   +8 more
wiley   +1 more source

Low-powered wearable motion detecting system using static electric fields

open access: yesIET Cyber-Physical Systems, 2019
Recently, the commercial market has seen an increase in the availability of smart wearable Internet of things (IoT) devices (wearables) including such items as: smart shoes, smart watches, wrist bands, and pendants.
Shane Lambert   +6 more
doaj   +1 more source

Validation of a smartphone app to map social networks of proximity

open access: yes, 2017
Social network analysis is a prominent approach to investigate interpersonal relationships. Most studies use self-report data to quantify the connections between participants and construct social networks. In recent years smartphones have been used as an
Boonstra, Tjeerd W.   +3 more
core   +1 more source

Respiratory Signal Processing and Analysis Using Flexible Capacitive Sensor Data

open access: yesAdvanced Materials Technologies, EarlyView.
Capacitive pressure sensors based on poly(glycerol sebacate) (PGS) substrates are developed for continuous, non‐invasive respiratory monitoring. Integrated with a signal processing algorithm, they enable accurate tracking of thoracic expansion and retraction.
Bernardo A. Vicente   +3 more
wiley   +1 more source

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