Results 51 to 60 of about 2,874 (274)

Official Representations of the Nation: Comparing the Postage Stamps of Sudan and Burkina Faso

open access: yesAfrican Studies Quarterly, 2008
An analysis of the imagery on postage stamps suggests that regimes in Sudan and Burkina Faso have pursued very different strategies in representing the nation.
Michael Kevane
doaj  

Emerging 2D Materials and Their Hybrid Nanostructures for Label‐Free Optical Biosensing: Recent Progress and Outlook

open access: yesAdvanced Functional Materials, EarlyView.
This review highlights recent advances in label‐free optical biosensors based on 2D materials and rationally designed mixed‐dimensional nanohybrids, emphasizing their synergistic effects and novel functionalities. It also discusses multifunctional sensing platforms and the integration of machine learning for intelligent data analysis.
Xinyi Li, Yonghao Fu, Yuehe Lin, Dan Du
wiley   +1 more source

Representing Religion in North and South Korea: Seventy-Five Years of the Semiotics of Stamp Design

open access: yesReligions
As government documents, postage stamps are a rich source of information about a government’s policies on a wide range of subjects. In this article, a comparative semiotic analysis of the first seventy-five years of North and South Korean stamps is used ...
James H. Grayson
doaj   +1 more source

A Bespoke Programmable Interpenetrating Elastomer Network Composite Laryngeal Stent for Expedited Paediatric Laryngotracheal Reconstruction

open access: yesAdvanced Functional Materials, EarlyView.
A programmable interpenetrating double‐network architecture, created via 3D‐TIPS printing and resin infusion, synergistically combines thermoplastic and thermosetting elastomers to balance structural rigidity and surface softness—crucial for paediatric laryngeal stents.
Elizabeth F. Maughan   +14 more
wiley   +1 more source

International Conference of Muslim Social Scientists

open access: yesAmerican Journal of Islam and Society, 1992
Without much fanfare, the Association of Muslim Social Scientists Harndard University conference began on 3 January 1992 at Madinat al Hikmah, a city established by the Harndard fuundation exclusively for education, science, and culture.
Mushtaqur Rahman
doaj   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

SOUTH AFRICAN ARMY POSTAL SERVICES (1940-1946)

open access: yesScientia Militaria, 2012
In May, 1940 the Adjudant-General was requested to take steps to gazette the South African Army Postal Corps, but for some reason this action was never taken and confusion resulted ever after, the Corps being referred to as S.A.
J.W. North
doaj   +1 more source

Harnessing Non‐Covalent Protein–Protein Interaction Domains for Production of Biocatalytic Materials Systems

open access: yesAdvanced Functional Materials, EarlyView.
Non‐covalent protein–protein interactions mediated by SH3, PDZ, or GBD domains enable the self‐assembly of stable and biocatalytically active hydrogel materials. These soft materials can be processed into monodisperse foams that, once dried, exhibit enhanced mechanical stability and activity and are easily integrated into microstructured flow ...
Julian S. Hertel   +5 more
wiley   +1 more source

Device Integration Technology for Practical Flexible Electronics Systems

open access: yesAdvanced Functional Materials, EarlyView.
Flexible device integration technologies are essential for realizing practical flexible electronic systems. In this review paper, wiring and bonding techniques critical for the industrial‐scale manufacturing of wearable devices are emphasized based on flexible electronics.
Masahito Takakuwa   +5 more
wiley   +1 more source

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