Results 71 to 80 of about 347,220 (293)

A Biochar‐Based Composite Hydrogel Microenvironment for Enhanced Biocatalysis

open access: yesAdvanced Materials, EarlyView.
This work presents the synthesis of a polyacrylamide hydrogel wherein biomass‐derived biochar is co‐encapsulated with the enzyme horseradish peroxidase (HRP). The resulting composite hydrogel possesses balanced electron‐rich and electron‐deficient domains, creating an optimal microenvironment that concentrates both hydrogen peroxide and phenol ...
Shengzhe Wang   +9 more
wiley   +1 more source

Antonio Gramsci: la letteratura per l’infanzia tra radici culturali-popolari e educazione

open access: yesStudi sulla Formazione, 2019
The paper intends to offer an in-depth analysis of Antonio Gramsci’s contribution to the reflection on children’s literature, whose non existence, in the years in which the intellectual writes the Quaderni from the fascist prison, leads to a “nexus of ...
Chiara Lepri
doaj   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

open access: yesAdvanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang   +3 more
wiley   +1 more source

Las lenguas inmigratorias y la política académica en la Argentina de la primera mitad del siglo XX

open access: yesLea, 2016
In Latin America, Spanish culture and language were reformulated and subject to a hybridization process. American Spanish, rich in varieties, modified on the American soil by contact with other indigenous, African languages and European migrations, has ...
Silvia Lafuente
doaj   +1 more source

On the One-Year Anniversary of the Coup, Honduran Social Movement Announces General Strike [PDF]

open access: yes, 2010
This document is part of a digital collection provided by the Martin P. Catherwood Library, ILR School, Cornell University, pertaining to the effects of globalization on the workplace worldwide.
International Labor Rights Forum
core   +1 more source

The Dominican Grassroots Movement and the Organized Left, 1978–1986

open access: yes, 2015
Through their struggles for better services, grassroots movements played a large role in the process of democratization and construction of social citizenship in the Dominican Republic.
Betances, Emelio
core   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

open access: yesAdvanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz   +5 more
wiley   +1 more source

Kronika polska Galla Anonima w kontekście kształtowania się polskiej świadomości narodowej

open access: yesSprawy Narodowościowe. Seria nowa, 2015
Gallus Anonymus’ gesta principium polonorum in the context of the formation of Polish national consciousness This paper is an attempt at a reconstruction of sources of Polish national consciousness, with its political and cultural components. It should
Marcin Lisiecki
doaj   +1 more source

Lattice Structures for Bone Replacement: The Intersection of Bone Biomechanics, Lattice Design, and Additive Manufacturing

open access: yesAdvanced Materials Technologies, EarlyView.
This review outlines how understanding bone's biology, hierarchical architecture, and mechanical anisotropy informs the design of lattice structures that replicate bone morphology and mechanical behavior. Additive manufacturing enables the fabrication of orthopedic implants that incorporate such structures using a range of engineering materials ...
Stylianos Kechagias   +4 more
wiley   +1 more source

Hydrogel Confinement Strategies for 3D Cell Culture in Microfluidic Systems

open access: yesAdvanced Materials Technologies, EarlyView.
Hydrogel confinement structures are key to organizing 3D cell cultures in microfluidic devices. This review classifies five structural strategies (micropillar, phaseguide, porous membrane, stepped‐height, and support‐free) and examines their trade‐offs alongside fabrication methods.
Soohyun Kim, Min Seok Lee, Sung Kyun Lee
wiley   +1 more source

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