Results 111 to 120 of about 3,974,952 (312)

Comparative evaluation of success rate and operator variability in loop.based versus ultrasonic retrieval of fractured endodontic instruments: An ex vivo study

open access: yesSaudi Endodontic Journal
Introduction: Instrument separation remains one of the most challenging procedural complications in endodontics, potentially compromising disinfection and long-term treatment success.
Tanushree Saxena   +5 more
doaj   +1 more source

Digitally Printed Eco‐Friendly Electronic Devices

open access: yesAdvanced Functional Materials, EarlyView.
Fabrication of electronics using eco‐friendly materials through digital printing routes is a promising strategy for improving life cycle sustainability and reducing the environmental impacts of conventional manufacturing. This review highlights state‐of‐the‐art eco‐friendly materials, green ink formulations, various resource‐efficient digital printing ...
Nitheesh M. Nair   +5 more
wiley   +1 more source

Analysis of Variables Affecting Reference Block Equivalency Process Using Ndt Ultrasonic Method

open access: yesEngineering Proceedings
Non-destructive testing (NDT) aims to assess components without compromising their functionality by identifying internal defects. Ultrasonic testing, a key NDT method, uses sound waves (0.5–20 MHz) to detect imperfections and requires tool calibration ...
Rizka Natasya Maharani   +4 more
doaj   +1 more source

Architectural Tuning of Bouligand Electrospun Laminates Enables Coupled Mechanical Robustness and Electromechanical Sensing

open access: yesAdvanced Functional Materials, EarlyView.
Bioinspired Bouligand architectures are translated into biodegradable polymer laminates with integrated sensing, revealing how structural design governs multifunctional performance. A 20° interlayer rotation optimizes strength, flexibility, and electromechanical response, while embedded nanotube networks enable real‐time damage detection and wearable ...
Piotr K. Szewczyk   +4 more
wiley   +1 more source

Protease‐Activated Theranostic Nanomedicine for Endometriosis Treatment

open access: yesAdvanced Functional Materials, EarlyView.
Endometriosis is a chronic gynecological disorder that affects a substantial proportion of reproductive‐aged women. In this study, we identify aberrant overexpression of matrix metalloproteinase‐9 (MMP‐9) in endometriotic lesions and develop a novel multifunctional nanomedicine that integrates MMP‐9‐targeted therapy, ratiometric photoacoustic (PA ...
Panangattukara Prabhakaran Praveen Kumar   +9 more
wiley   +1 more source

Biodegradable Conductors for Implantable and Wearable Transient Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Biodegradable conductors are essential building blocks for transient bioelectronics, enabling temporary sensing, stimulation, and energy transfer while eliminating the need for device retrieval. This review summarizes biodegradable metals, conducting polymers, ionic conductors, and conductive composites, highlighting degradation mechanisms, material ...
Yicheng Zhu, Yijun Liu, Naoji Matsuhisa
wiley   +1 more source

Topically Delivered Treg‐Attracting Microparticle‐Hydrogel Composites Recruit Regulatory T Cells and Limit Cardiac Injury After Severe Ischemia

open access: yesAdvanced Healthcare Materials, EarlyView.
CCL22‐releasing PLGA microparticles (MP) suspended in topically applied hydrogels (HEART) establish a sustained chemokine gradient at the injured myocardium. HEART recruits CCR4+ regulatory T cells, reduces infarct size and graft fibrosis, and improves cardiac function.
Matthew A. Borrelli   +8 more
wiley   +1 more source

Diagnosis of the internal state of the Tilia cordata trees using complex acoustic ultrasonic imaging Arbotom ®

open access: yesRUDN Journal of Agronomy and Animal Industries, 2012
The purpose of this study to identify internal structural defects hidden from view within tree trunks and probability internal decay in standing trees Tilia cordata in Summer, Garden Mikhailovsky Garden and Garden of the (Engineers’ Castle) using an ...
I A Melnichuk   +2 more
doaj  

Biocompatible Conjugated Electrospinning Nanofibrous Membrane With Self‐Powered Piezoelectric Capacity for Accelerated Wound Healing

open access: yesAdvanced Healthcare Materials, EarlyView.
A self‐powered PCL/gelatin‐PVDF‐TrFE/MXene conjugated electrospun membrane integrates biocompatibility with enhanced piezoelectric responsiveness. Mechanical deformation is converted into localized electrical signals that stimulate wound‐repair cells proliferation and migration, promote angiogenesis and tissue remodeling, and accelerate full‐thickness ...
Diandian Li   +11 more
wiley   +1 more source

How Charles Kelman Invented phacoemulsification in the 1960s: A reappraisal

open access: yesHeliyon
Purpose: To determine the timing of the development of phacoemulsification by Charles Kelman, which occurred when he modified an ultrasonic dental tool (Cavitron, NY) to emulsify cataracts so that they could be removed through small incisions.
Christopher T. Leffler   +1 more
doaj   +1 more source

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