Results 121 to 130 of about 854,993 (315)

Autonomous Hydrogel Actuators Programmed by Endogenous Biochemical Logic for Dual‐Stage Morphing and Drug Release

open access: yesAdvanced Materials, EarlyView.
A 3D‐printed BSA–PEGDA bilayer actuator performs biochemical logic, bending autonomously in acid and releasing its drug payload only when both acid and pepsin are present. This dual‐stage, enzyme‐gated mechanism enables autonomous catch‐and‐release motion and controlled gastric drug delivery, representing a programmable soft material powered by ...
Yuchen Liu   +3 more
wiley   +1 more source

Assisted pollination by means of an electrostatic system in the production and quality of sweet cherries cv. 'Regina'

open access: yesFolia Horticulturae
Poor pollination limits the fruit set and productivity of self-incompatible cultivars of sweet cherry (Prunus avium L.). This study sought to evaluate the improvement in fruit production and quality from assisted pollination using an electrostatic system
Sánchez-Contreras Javier   +2 more
doaj   +1 more source

Planning applications in east central Florida [PDF]

open access: yes
The author has identified the following significant results. Lake Apopka and three lakes downstream of it (Dora, Eustis, and Griffin) are in an advanced state of eutrophication with high algal concentrations.
Esparza, F.   +2 more
core   +5 more sources

Holographic Whole‐Object Photopolymerization Preserving Director Alignment in Liquid Crystalline Actuators

open access: yesAdvanced Materials, EarlyView.
Holographic microlithography enables the fabrication of fully connected 3D liquid crystalline structures in a single exposure. The process maintains precise control over the director orientation within the entire object, preventing local director distortions typically observed in sequential printing.
Lovish Gulati   +8 more
wiley   +1 more source

Heterophase fcc‐hcp‐fcc High‐Entropy Alloy Nanomaterials with Tailored Electron Divergence for Selective Ammonia Electrosynthesis

open access: yesAdvanced Materials, EarlyView.
Heterophase fcc‐hcp‐fcc RuFeMMnMo (M═CoNi, Co, and Ni) high‐entropy alloy nanomaterials have been successfully synthesized using a one‐pot approach. The highly random distribution of multiple metal components and the tunable diversity of metal atomic arrangements can be realized simultaneously. By combining metals with different work functions, fcc‐hcp‐
Xiang Meng   +18 more
wiley   +1 more source

Nonequilibrium Period with Emergence of Marangoni Circulations in Meniscus Splitting

open access: yesAdvanced Materials Interfaces, EarlyView.
The emergence and evolution of Marangoni convection in the meniscus splitting phenomenon are investigated. During the mass circulation of viscous fluids, the confluence and bifurcation of polymer dispersions beneath the evaporative interface lead to the inhomogeneous densification of the skin layer.
Leijie Wu, Kosuke Okeyoshi
wiley   +1 more source

Fluctuating Curvature and Actuation in 4D Printed Asymmetric Networks by Frontal Photopolymerization

open access: yesAdvanced Materials Interfaces, EarlyView.
Asymmetric polymer networks, fabricated by frontal photopolymerization (FPP), are shown to exhibit curvature oscillations associated with monomer‐solvent exchanges during development and drying. We introduce a theoretical model for such dynamic curvature fluctuations and demonstrate the fabrication of bistable switches and self‐propelled materials that
Muhammad Ghifari Ridwan   +3 more
wiley   +1 more source

Interview with Dorothy Bloom, May 28, 1993

open access: yes, 1993
Dorothy Bloom, wife of Robert Bloom, a professor of history at Gettysburg College, was interviewed on May 28, 1993 by Michael Birkner about her experience as a spouse of a faculty member from 1949 to 1981.
Birkner, Michael J., Bloom, Dorothy
core  

Cyanobacterial blooms in Ontario, Canada: continued increase in reports through the 21st century

open access: hybrid, 2023
Elizabeth J. Favot   +3 more
openalex   +1 more source

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