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  • 1
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 8 (1998), S. 309-316 
    ISSN: 1057-9257
    Keywords: optical gas sensing ; polysiloxane ; azobenzene ; NO2 ; molecular modelling ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Siloxane copolymers having as side-chains azobenzene derivatives bearing different electron-withdrawing and donating substituents were deposited as thin films by dip coating, and their behaviour upon exposure to 100 pm NO2 was studied by UV/visible spectroscopy. Electron-donating substituents at the ortho positions on the aromatic rings in the azo unit have significant influence on the absorbance changes produced by exposure to NO2, and this is explained by modelling, which suggests that interaction between the electrophilic nitrogen atom in NO2 and the electron clouds of the azobenzene skeleton is responsible for the sensing process, rather than the formation of a Wheland intermediate or other product of chemical reaction. Especially effective substituents are methoxy groups in either aromatic ring ortho or the azo linkage, which also produce a significant increase in intensity of the long-wavelength n-π* transition. This moves the optical interrogation signal to a wavelength range of particular benefit for potential applications. Copyright © 1998 John Wiley & Sons, Ltd.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2024-01-30
    Description: In recent years there has been a steady increase in the racial and ethnic diversity of the playing workforce in many sports around the world. However, there has been a minimal throughput of racial and ethnic minorities into coaching and leadership positions. This book brings together leading researchers from around the world to examine key questions around ‘race’, ethnicity and racism in sports coaching. The book focuses specifically on the ways in which ‘race’, ethnicity and racism operate, and how they are experienced and addressed (or not) within the socio-cultural sphere of sports coaching. Theoretically informed and empirically grounded, it examines macro- (societal), meso- (organisational), and micro- (individual) level barriers to racial and ethnic diversity as well as the positive action initiatives designed to help overcome them. Featuring multi-disciplinary perspectives, the book is arranged into three thematic sections, addressing the central topics of representation and racialised barriers in sports coaching; racialised identities, diversity and intersectionality in sports coaching; and formalised racial equality interventions in sports coaching. Including case studies from across North America, Europe and Australasia, ‘Race’, Ethnicity and Racism in Sports Coaching is essential reading for students, academics and practitioners with a critical interest in the sociology of sport, sport coaching, sport management, sport development, and ‘race’ and ethnicity studies.
    Keywords: Belgian football ; British Asians ; black coaches ; coach education ; college coaches ; Dutch football ; diversity in sport ; EFL ; English Football League ; EPL ; ethnicity ; football ; football coaching ; inclusion ; indigenous people ; intercollegiate athletics ; intersectionality ; Jacco van Sterkenburg ; Jim Lusted ; NFL ; Rooney rule ; race ; race and sport ; racism ; racism in sport ; Steve Bradbury ; soccer ; sports coaching ; sport leadership ; sport management ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSL Ethnic studies ; bic Book Industry Communication::W Lifestyle, sport & leisure::WS Sports & outdoor recreation ; bic Book Industry Communication::W Lifestyle, sport & leisure::WS Sports & outdoor recreation::WSD Sports training & coaching
    Language: English
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