1,721,144 research outputs found
CCDC 1504708: Experimental Crystal Structure Determination
No full textRelated Article: Jamie A. Gould, Harprit Singh Athwal, Alexander J. Blake, William Lewis, Peter Hubberstey, Neil R. Champness and Martin Schröder|2017|Philos.Trans.R.Soc.London,Ser.A|357|20160334|doi:10.1098/rsta.2016.033
CCDC 1504706: Experimental Crystal Structure Determination
No full textRelated Article: Jamie A. Gould, Harprit Singh Athwal, Alexander J. Blake, William Lewis, Peter Hubberstey, Neil R. Champness and Martin Schröder|2017|Philos.Trans.R.Soc.London,Ser.A|357|20160334|doi:10.1098/rsta.2016.033
CCDC 1504707: Experimental Crystal Structure Determination
No full textRelated Article: Jamie A. Gould, Harprit Singh Athwal, Alexander J. Blake, William Lewis, Peter Hubberstey, Neil R. Champness and Martin Schröder|2017|Philos.Trans.R.Soc.London,Ser.A|357|20160334|doi:10.1098/rsta.2016.033
CCDC 1504709: Experimental Crystal Structure Determination
No full textRelated Article: Jamie A. Gould, Harprit Singh Athwal, Alexander J. Blake, William Lewis, Peter Hubberstey, Neil R. Champness and Martin Schröder|2017|Philos.Trans.R.Soc.London,Ser.A|357|20160334|doi:10.1098/rsta.2016.033
CCDC 1504705: Experimental Crystal Structure Determination
No full textRelated Article: Jamie A. Gould, Harprit Singh Athwal, Alexander J. Blake, William Lewis, Peter Hubberstey, Neil R. Champness and Martin Schröder|2017|Philos.Trans.R.Soc.London,Ser.A|357|20160334|doi:10.1098/rsta.2016.033
X-ray crystallography in open-framework materials
No full textOpen-framework materials, such as metal-organic frameworks (MOFs) and coordination polymers have been widely investigated for their gas adsorption and separation properties. However, recent studies have demonstrated that their highly crystalline structures can be used to periodically organize guest molecules and non-structural metal compounds either within their pore voids or by anchoring to their framework architecture. Accordingly, the open framework can act as a matrix for isolating and elucidating the structures of these moieties by X-ray diffraction. This concept has broad scope for development as an analytical tool where obtaining single crystals of a target molecule presents a significant challenge and it additionally offers potential for obtaining insights into chemically reactive species that can be stabilized within the pore network. However, the technique does have limitations and as yet a general experimental method has not been realized. Herein we focus on recent examples in which framework materials have been utilized as a scaffold for ordering molecules for analysis by diffraction methods and canvass areas for future exploration.Witold M. Bloch, Neil R. Champness and Christian J. Doona
Emerging applications of metal-organic frameworks
No full textMetal–organic frameworks are a unique class of materials well known for their crystallinity and ultra-high porosity. Since their first report over fifteen years ago, research in this area has sought to actively exploit these properties, especially in gas adsorption. In this article we canvass some emerging topics in the field of MOF research that show promise for new applications in areas such as biotechnology, catalysis, and microelectronics.Raffaele Ricco, Constance Pfeiffer, Kenji Sumida, Christopher J. Sumby, Paolo Falcaro, Shuhei Furukawa, Neil R. Champness and Christian J. Doona
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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