Results 101 to 110 of about 448,293 (281)

Exploring the Potential of Zero‐Dimensional Carbon Nanomaterials in Photoluminescent, Electrochemiluminescent and Electrochemical Sensors

open access: yesAdvanced Materials Interfaces, EarlyView.
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins   +8 more
wiley   +1 more source

A Reusable Polymeric Sensor Based on Green‐Synthesized CQDs@ZIF‐8 for the Rapid Detection of Nitro‐Explosive Picric Acid

open access: yesAdvanced Materials Interfaces, EarlyView.
This study presents the rational design and synthesis of a highly luminescent polymeric nanocomposite. Initially, highly fluorescent carbon quantum dots (CQDs) are synthesized via a facile hydrothermal method using citric acid and β‐alanine as precursors, followed by rigorous purification through centrifugation and filtration.
Yunus Emre Toprak   +2 more
wiley   +1 more source

Nanozymes at the Bio‐Nano Interface: From Synthesis, Defect Engineering, Catalytic Behavior in Biological Microenvironments, and Biosafety Implications

open access: yesAdvanced Materials Interfaces, EarlyView.
Nanozymes (NZs) have emerged as versatile artificial enzymes with tunable catalytic properties driven by atomic coordination, defect engineering, and surface chemistry. This review presents a bio–nano interface framework linking synthesis strategies, structural design, and catalytic behavior within complex biological microenvironments.
Karen Guadalupe Quintero‐Garrido   +6 more
wiley   +1 more source

What the Smartphone Addiction Debate Tells Us About Adolescent Smartphone Use

open access: yesJournal of Social Science and Humanities
This paper delves into the intricate mechanisms underlying smartphone addiction, meticulously examining its multifaceted impacts on adolescents. Specifically, it discusses three pivotal aspects: the detrimental consequences smartphones inflict upon adolescent development, the ongoing discourse surrounding smartphone addiction, and the profound insights
Yanting Bi, Yalin Liu, Tinghu Kang
openaire   +1 more source

Smartphone-based, rapid, wide-field fundus photography for diagnosis of pediatric retinal diseases [PDF]

open access: yes, 2019
PurposeAn important, unmet clinical need is for cost-effective, reliable, easy-to-use, and portable retinal photography to evaluate preventable causes of vision loss in children.
Besirli, Cagri G.   +10 more
core   +2 more sources

Flow‐Adaptive Gas Sensing Enabled Using a Uniform Au Nanosheet Sensor Array and a Neural Network Inference

open access: yesAdvanced Materials Technologies, EarlyView.
Integrated Au nanosheet sensor array enables simultaneous inference of gas concentration and flow rate via deep neural network analysis, without external flow control. ABSTRACT Gas sensor responses are considerably affected by gas flow rates, thereby inhibiting the accurate detection of target gas concentrations in variable‐flow applications such as ...
Taro Kato   +4 more
wiley   +1 more source

Smartphone Application‐Based Addiction Scale: Psychometric Evidence Across Nine Asian Regions Using Advanced Analytic Methods

open access: yesBrain and Behavior
Introduction A smartphone is a device with various functions, including wifi, application functions, mobile networks, ease of mobility, and the capability of using mobile data.
I‐Hua Chen   +10 more
doaj   +1 more source

Association between high adolescent smartphone use and academic impairment, conflicts with family members or friends, and suicide attempts.

open access: yesPLoS ONE, 2019
This study aims to evaluate the association between smartphone use and suicide attempts, independent of possible confounders, including conflicts with family/friends and poor academic performance due to smartphone use.
Min-Hyuk Kim   +4 more
doaj   +1 more source

Temporal Stability of Smartphone Use Data: Determining Fundamental Time Unit and Independent Cycle

open access: yesJMIR mHealth and uHealth, 2019
BackgroundAssessing human behaviors via smartphone for monitoring the pattern of daily behaviors has become a crucial issue in this century. Thus, a more accurate and structured methodology is needed for smartphone use research.
Pan, Yuan-Chien   +4 more
doaj   +1 more source

PENGARUH DURASI PENGGUNAAN SMARTPHONE TERHADAP KELUHAN NYERI KEPALA PADA MAHASISWA FK UMM ANGKATAN 2020 [PDF]

open access: yes
Background: Smartphones become an inseparable part of life. Massive smartphone use since the Covid-19 pandemic era, where all activities have been transferred to an online system, including learning among medical students.
Sari, Dyah Wahyu Oktania
core  

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