Results 81 to 90 of about 3,718,806 (407)

Deployable 3D‐Printed Vascular Stent with Surface‐Catalysed Endogenous Nitric Oxide Generation

open access: yesAdvanced Materials, EarlyView.
A deployable 3D‐printed vascular stent was fabricated with surface‐catalyzed endogenous nitric oxide generation, representing a promising new direction for stent development. The stent can be remotely controlled by magnetic force in its compressed state and fully deployed at the target site using an untethered heat source, potentially eliminating the ...
Kun Zhou   +8 more
wiley   +1 more source

Drawing on the Layers of a Partnership to Prepare Middle Level Teachers [PDF]

open access: yes, 2017
The University of Midwest (UM) and the University of Metro Midwest (UMM) are located approximately 90 miles from each other in a central Midwestern state.
Howell, Penny B, Rintamaa, Margaret
core   +1 more source

Every teacher is a language teacher: Preparing teacher candidates for English language learners through service-learning [PDF]

open access: yes, 2013
Secondary school teachers in the United States are facing urgent challenges in their increasingly heterogeneous classrooms where the presence of English language learners (ELLs) is becoming the norm.
Fan, Yanan
core   +3 more sources

Fabrication, Properties, and Applications of Scaffolds for Bone Tissue Regeneration

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores cutting‐edge biomaterials and fabrication techniques for scaffolds in bone tissue regeneration. It conducts a critical comparison of various strategies, meticulously analyzes the key contradictions in the field, and outlines an integrated development path spanning from biomaterial selection to clinical application, while ...
Shangsi Chen, Min Wang
wiley   +1 more source

Influence of the education of nature and history of science on value perceptions of teacher candidates in conceptual dimension

open access: yesScience Education International, 2018
This study aimed to determine the changes in understanding about the nature of science (NOS) and conceptual values of 28 elementary science teacher candidates who engaged in the instruction of the nature and history of science (NHOS).
Hilal Aktamis , Emrah Higde
doaj   +1 more source

Group Science Learning Model to Improve Collaborative Problem Solving Skills and Self-Confidence of Primary Schools Teacher Candidates

open access: yesInternational Journal of Instruction, 2019
Group Science Learning (GSL) is collaborative problem solving based learning by design to improve collaborative problem solving skills, science process skills, and self-confidence of primary schools teacher candidates.
A. Fuad   +4 more
semanticscholar   +1 more source

Roll‐to‐Roll Manufacturing of Flexible Thermoelectric Semiconductors Using Low‐Level Direct‐Current Sputtering

open access: yesAdvanced Materials Technologies, EarlyView.
Roll‐to‐roll direct‐current sputtering enables room‐temperature manufacture of flexible bismuth telluride thermoelectric films. By identifying a low‐power deposition window that suppresses charge‐induced arcing, this work links sputtering conditions to film structure, charge transport, and thermoelectric performance, achieving a room‐temperature figure
Xudong Tao   +5 more
wiley   +1 more source

Hydrogel‐Based Functional Materials: Classifications, Properties, and Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Conductive hydrogels have emerged as promising materials for smart wearable devices due to their outstanding flexibility, multifunctionality, and biocompatibility. This review systematically summarizes recent progress in their design strategies, focusing on monomer systems and conductive components, and highlights key multifunctional properties such as
Zeyu Zhang, Zao Cheng, Patrizio Raffa
wiley   +1 more source

Everyone Has a Story: A Collaborative Inquiry Project by Five Teacher Candidates of Color and One White Professor

open access: yesCurrent Issues in Education, 2013
Initiatives to increase the number of teachers of color in U.S. public schools must be accompanied by culturally relevant teacher preparation for candidates of color. This study is a cooperative inquiry (Heron, 1996) conceived, conducted, and analyzed by
Laura Bower-Phipps   +3 more
doaj  

3D‐Printed Dynamic Heart Model With Left‐Side Anatomy and Integrated Sensor for Edge‐to‐Edge Repair and Regurgitation Reduction

open access: yesAdvanced Materials Technologies, EarlyView.
This work presents a fully synthetic, 3D‐printed dynamic heart model with left‐side anatomy featuring sutured mitral valve chordae tendineae analogs, embedded actuators for physiologic wall contraction, and customized flexible pressure sensors for the left ventricle.
Alejandro Guillen Obando   +7 more
wiley   +1 more source

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