Results 111 to 120 of about 458,563 (302)

Hellmut O Pappe(unpublished) Sismondi, Constant and Tocqueville [PDF]

open access: yes, 2002
Hellmut Pappe died in 1998. Since the publication of Sismondi’s Weggenossen (Geneva, 1956), he had been planning a new biography of Sismondi intended both to replace J. R. Salis’s Sismondi, 1775-1842: la vie et l'oeuvre d'un cosmopolite philosophe (1932)
Whatmore, Richard, ed.
core  

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora   +17 more
wiley   +1 more source

Stepwise On‐Surface Synthesis and Transformations of Two‐Dimensional Covalent Organic Frameworks by Controlled Thermal Stimuli

open access: yesAdvanced Materials, EarlyView.
The seminal transformation of a 2D‐COF (SURFCOF‐IMDEA1) into a 2D porous COF (SURFCOF‐IMDEA2) on Au(111) by a sequential C‐C coupling and ladderization triggered by thermal annealing steps at increasing temperatures is reported. Abstract The development of covalent organic frameworks (COFs) is currently a primary objective in materials science, taking ...
Ana Barragán   +11 more
wiley   +1 more source

Appalachia as a laboratory for contemporary rural-urban development

open access: yesRUDN journal of Sociology
The article is a review of C. Marshall Cook’s Big Rural: Rural Industrial Places, Democracy, and What Next (Lanham: Lexington Books, 2024). This is an original study of the long-term rural-urban transformations of the Appalachian region, especially the ...
A. M. Nikulin
doaj   +1 more source

Commons and Cooperatives [PDF]

open access: yes, 2010
In the last decade, the commons has become a prevalent theme in discussions about collective but decentralized control over resources. This paper is a preliminary exploration of the potential linkages between commons and cooperatives through a discussion
de Peuter, Greig, Dyer-Witheford, Nick
core   +1 more source

Electrically Assisted Thermal Stamping of Tunable Carbon‐Based Nanofilms for Direct Fabrication of Hydrophobic, Energy Harvesting, and Sensing Devices

open access: yesAdvanced Materials, EarlyView.
Schematic illustration of the electrically assisted thermal stamping (EATS) method for direct fabrication of carbon‐based nanofilms and their multifunctional applications. Localized Joule heating triggers simultaneous exfoliation, reduction, and fluoropolymer incorporation under ambient conditions, yielding tunable carbon‐based thin‐film coatings ...
Byungseok Seo   +9 more
wiley   +1 more source

Variations de la « démocratie sanitaire » et politique publique de santé mentale en France

open access: yesSociologies, 2014
The paper is an overview of the characters that shape the variation of health policies and practices into a panorama of « health democracy ». It is grounded on empirical investigations results ant theoretical developments undertaken since 2004.
Lise Demailly
doaj  

Az államilag irányított iparfejlődés hatása az innovációs képességekre

open access: yesKöz-gazdaság
Hungarian A cikk arra a kérdésre keres választ, hogy államilag irányított iparfejlődés révén lehetséges-e radikális innovációkat megvalósítani, vagyis addig nem létező termékeket és ágazatokat kifejleszteni.
László Fikó
doaj   +1 more source

Viral Infection‐Inspired Autonomous Detection of Fusion‐Competent Viruses for Screening and Environmental Surveillance

open access: yesAdvanced Materials, EarlyView.
Inspired by viral entry mechanisms, the FUSION assay enables autonomous detection of respiratory viruses via membrane fusion–triggered CRISPR‐Cas13a activation. VEACON selectively fuses with fusion‐competent viruses, triggering fluorescence within confined vesicles.
Jae Chul Park   +15 more
wiley   +1 more source

All‐Optical Reconfigurable Physical Unclonable Function for Sustainable Security

open access: yesAdvanced Materials, EarlyView.
An all‐optical reconfigurable physical unclonable function (PUF) is demonstrated using plasmonic coupling–induced sintering of optically trapped gold nanoparticles, where Brownian motion serves as a robust entropy source. The resulting optical PUF exhibits high encoding density, strong resistance to modeling attacks, and practical authentication ...
Jang‐Kyun Kwak   +4 more
wiley   +1 more source

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