Results 121 to 130 of about 2,457,635 (360)

Assembly of Cell‐Seeded 3D Printed Hydrogel Modules with Perfusable Channel Networks

open access: yesAdvanced Functional Materials, EarlyView.
Macroscale assembly was utilized to prepare perfusable tissue constructs from individually 3D printed hydrogel modules with embedded branched channel networks and port arrays for cell seeding. Novel multi‐material bioreactors were fabricated to facilitate the gluing of individual modules and the perfusion culture of assembled modular constructs seeded ...
Zachary J. Geffert   +10 more
wiley   +1 more source

Are Temporary Jobs a Port of Entry into Permanent Employment? Evidence from Matched Employer-Employee Data [PDF]

open access: yes
Are temporary jobs a port of entry into permanent employment? In this paper we argue that the answer crucially depends on the type of temporary contracts being considered, as the different contracts observed in practice are typically characterized by ...
Fabio Berton   +2 more
core  

Magnetothermal‐Triggered Response and Self‐Healing of Recyclable and Reprocessable Nanocomposites for Actuation Systems

open access: yesAdvanced Functional Materials, EarlyView.
Developing recyclable materials for magnetic robotics that combine rapid response and self‐healing properties is challenging. Hence, this study focuses on the integration of magnetothermal nanoparticles into a dynamic sorbitol‐based vitrimer, a recyclable composite capable of remote actuation and self‐healing by magnetic heating.
Maria Weißpflog   +3 more
wiley   +1 more source

Bargaining and Temporary Employment [PDF]

open access: yes
This article studies the behavior of the …rm when it is searching to …ll a vacancy. The principal hypothesis is that the …rm can o¤er two kinds of contracts to the workers, short-term or long-term contracts. The short-term contract is like a probationary
Dimitri Paolini
core  

Hydrogen‐Bond–Driven Ion Retention in Electrolyte‐Gated Synaptic Transistors

open access: yesAdvanced Functional Materials, EarlyView.
Anion molecular design governs ion–polymer interactions in electrolyte‐gated synaptic transistors. Asymmetric anions induce hydrogen‐bond interactions that suppress ion back‐diffusion and stabilize doping, enabling enhanced nonvolatile synaptic properties.
Donghwa Lee   +5 more
wiley   +1 more source

Unions and the Contingent Work Force [PDF]

open access: yes, 1988
[Excerpt] Unions seeking to organize the unorganized face increasing numbers of part-time, temporary and leased employees. These contingent workers now make up more than a quarter of the American work force.
Bronfenbrenner, Kate
core   +1 more source

Machine Learning‐Assisted Inverse Design of Soft and Multifunctional Hybrid Liquid Metal Composites

open access: yesAdvanced Functional Materials, EarlyView.
A machine learning framework is presented for inverse design of synthesizable multifunctional composites containing both liquid metal and solid inclusions. By integrating physics‐based modeling, data‐driven prediction, and Bayesian optimization, the approach enables intelligent design of experiments to identify optimal compositions and realize these ...
Lijun Zhou   +5 more
wiley   +1 more source

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