Results 21 to 30 of about 56,921 (146)

Methyl on the Bridge: 2‐Methyl Propellane as Precursor for 1,3‐Substituted 2‐Methylated Bicyclo[1.1.1]Pentanes

open access: yesChemistry – A European Journal, EarlyView.
The synthesis of 2‐methyl propellane and its conversion to various 1,2‐ and 1,2,3‐di‐ and trisubstituted bicyclopentanes is reported. Abstract Bicyclo[1.1.1]pentanes (BCPs) have emerged as isosteric replacements for mono‐ and para‐substituted benzene rings in medicinal and materials applications, involving substitution at the BCP bridgehead (1,3 ...
Sean R. Verschaeve   +4 more
wiley   +1 more source

Bidirectional sleep‐seizure interactions and orexin in a mouse model of tuberous sclerosis complex‐related epilepsy

open access: yesEpilepsia, EarlyView.
Abstract Objective A strong bidirectional relationship exists between epilepsy and sleep, with seizures often occurring more frequently in sleep and, in turn, sleep being disrupted by seizures. However, the mechanistic basis of seizure–sleep interactions is poorly understood.
Nicholas R. Rensing   +4 more
wiley   +1 more source

Cycling Through History: Making an American Sport 1880-present, Blog 1 [PDF]

open access: yes, 2015
Student blog posts from the Great VCU Bike Race ...
Cornick, Xenia
core   +1 more source

Selectively Cleavable Silicone Elastomers Based on Acetal Cross‐Linkers: Synthesis, Properties, and Study of Chemical Degradation

open access: yesJournal of Polymer Science, EarlyView.
A novel silicone elastomer based on selectively cleavable acetal cross‐linkers incorporated by hydrosilylation was developed. Different acetal cross‐linkers were synthesized and introduced into a silicone formulation of vinyl‐terminated PDMS and tetrakis(dimethylsiloxy)silane using Karstedt's catalyst.
Julian Beier   +3 more
wiley   +1 more source

Increasing user comfort of housing facilities blocks of flats in the Czech republic [PDF]

open access: yes, 2017
An essential requirement of these days in the Czech Republic is to increase sustainability of new and existing buildings and increase the benefits of their future use. This applies especially to the houses and flats, where the demand for user comfort and
Kutá, Dagmar, Česelský, Jan
core   +1 more source

Concussed: Unintended Consequences of the Guardian Cap Mandate in the NFL

open access: yesSouthern Economic Journal, EarlyView.
ABSTRACT Guardian Caps are padded shells worn over American football helmets to cushion impacts and reduce concussion risks. In 2022, the NFL mandated their use for specific position groups during preseason practices, later expanding this requirement. While the league praised the Caps for enhancing player safety, skeptics argue they may promote riskier
Kerianne Lawson Rubenstein, Todd Nesbit
wiley   +1 more source

Design and evaluation of a standalone electric vehicles charging station for a university campus in Argentina

open access: yesInternational Journal of Renewable Energy Development
The increasing popularity of electric vehicles in recent years has led to a growing demand for charging stations. In this context, universities are an ideal setting for their installation, as they have a large number of students, professors, and staff ...
Juan Pablo Cecchini   +4 more
doaj   +1 more source

Quantitative analysis of macroevolutionary patterning in technological evolution: Bicycle design from 1800 to 2000 [PDF]

open access: yes, 2009
Book description: This volume offers an integrative approach to the application of evolutionary theory in studies of cultural transmission and social evolution and reveals the enormous range of ways in which Darwinian ideas can lead to productive ...
Lake, MW, Venti, J
core  

New to town: home range size, habitat selection and behavioral adaptations by urban hares

open access: yesWildlife Biology, EarlyView.
European hares Lepus europaeus have recently been shown to colonize urban areas in different parts of Europe. This appears to be a novel phenomenon, and little is known about the space use and behavioral adaptations of hares living in urban areas. Here, we describe the first findings concerning home range sizes from GPS‐collared hares (n = 3) in Aarhus
Martin Mayer   +2 more
wiley   +1 more source

Road Traffic Crashes in Up’s Metropolitan Cities: A Public Health Scourge

open access: yesRomanian Journal of Transport Infrastructure
Fatalities and injuries on account of road traffic crashes are a public health scourge of rising concern in the metropolitan cities of Uttar Pradesh (UP) in India.
Singh Sanjay Kumar, Singh Vijay Lakshmi
doaj   +1 more source

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