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"Thomas, Anna"
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Love soup : 160 all-new vegetarian recipes from the author of The Vegetarian Epicure
Come into the kitchen. Get some fresh produce and cook a pot of soup-- it's easy and fun, and your life will be better for it.
Book
A repeating fast radio burst associated with a persistent radio source
The dispersive sweep of fast radio bursts (FRBs) has been used to probe the ionized baryon content of the intergalactic medium
1
, which is assumed to dominate the total extragalactic dispersion. Although the host-galaxy contributions to the dispersion measure appear to be small for most FRBs
2
, in at least one case there is evidence for an extreme magneto-ionic local environment
3
,
4
and a compact persistent radio source
5
. Here we report the detection and localization of the repeating FRB 20190520B, which is co-located with a compact, persistent radio source and associated with a dwarf host galaxy of high specific-star-formation rate at a redshift of 0.241 ± 0.001. The estimated host-galaxy dispersion measure of approximately
903
−
111
+
72
parsecs per cubic centimetre, which is nearly an order of magnitude higher than the average of FRB host galaxies
2
,
6
, far exceeds the dispersion-measure contribution of the intergalactic medium. Caution is thus warranted in inferring redshifts for FRBs without accurate host-galaxy identifications.
A repeating fast radio burst co-located with a persistent radio source and associated with a dwarf host galaxy of a high star-formation rate has been detected.
Journal Article
To the ice
\"Ida, Max and Jack go to the creek one winter's day. They play on an ice floe then find themselves floating away-all the way to the polar ice, with just a box, a branch and some sandwiches ... They find an old hut, meet penguins, see extraordinary things and, after testing their resources in this dramatic land of ice and snow, come home safe at the end of the day\"--Back cover.
Book
Consumer engagement in online brand communities: a social media perspective
Purpose
– This paper aims to delineate the meaning, conceptual boundaries and dimensions of consumer engagement within the context of online brand communities both in term of the engagement with the brand and the other members of the online brand communities. It also explores the relationships of consumer engagement with other concepts, suggesting antecedents of engagement.
Design/methodology/approach
– Data are collected through semi-structured interviews with 21 international online brand community members, covering a variety of brand categories and social media platforms.
Findings
– This paper suggests that individuals are engaging in online communities in social network platforms both with other individuals and with brands. The study also identifies three key engagement dimensions (cognition, affect and behaviours). Their meaning and sub-dimensions are investigated. The paper further suggests key drivers, one outcome and objects of consumer engagement in online brand communities. These findings are integrated in a conceptual framework.
Research limitations/implications
– Further research should aim at comparing consumer engagement on different social media and across brand categories, as this study takes a holistic approach and does not focus on any particular category of brands or social media. Consumers’ views should also be evaluated against and compared with marketing managers’ understanding of consumer engagement.
Originality/value
– This paper contributes to the fast-growing and fragmented consumer engagement literature by refining the understanding of its dimensions and situating it in a network of conceptual relationships. It focusses on online brand communities in rich social media contexts to tap into the core social and interactive characteristics of engagement.
Journal Article
Transformative learning meets Bildung : an international exchange
This edited volume sets the groundwork for a dialogue between transformative learning and continental theories of Bildung in adulthood. Both theoretical frameworks bring meaning to the complex learning process of individuals as they develop a more critical worldview. In this volume, a variety of authors from different countries and theoretical backgrounds offer new understandings about Bildung and transformative learning through discussion of theoretical analyses, educational practices, and empirical research. As a result, readers gain greater insight into these theories and related implications for teaching for change. From the various chapters an exciting relationship between both theories begins to emerge and provides impetus for greater discussion and further research about two important theories of change in the field of adult education.
Book
Hierarchical Two-Dimensional Layered Nickel Disulfide (NiS2)@PEDOT:PSS Nanocomposites as Battery-Type Electrodes for Battery-Type Supercapacitors with High Energy Density
Battery-type hybrid supercapacitors (HSCs) (otherwise known as supercapatteries) are novel electrochemical energy storage devices bridge the gap between rechargeable batteries and traditional SCs. Herein, we report the synthesis of layered two-dimensional (2D) nickel disulfide (NiS2) nanosheets (NSNs) modified with poly(3,4-ethylenedioxythiophene:polystyrene sulfonate (PEDOT:PSS) and their successful implementation in battery-type SCs. Initially, a layered 2D NSN is synthesized via a microwave-assisted hydrothermal method and further used as a template to coat PEDOT:PSS in order to prepare NiS2@PEDOT:PSS nanocomposite electrodes by a facile drop-casting method. This is the first-time report on the synthesis of a hierarchical NiS2@PEDOT:PSS nanocomposite electrode for battery-type HSC applications. An asymmetric battery-type HSC fabricated with NSN@PEDOT:PSS nanocomposite as positrode and activated carbon as negatrode delivers a maximum energy density of 52.1 Wh/kg at a current density of 1.6 A/g with a corresponding power density of 2500 W/kg.
Journal Article
Multiple Congenital Melanocytic Nevi and Neurocutaneous Melanosis Are Caused by Postzygotic Mutations in Codon 61 of NRAS
Congenital melanocytic nevi (CMN) can be associated with neurological abnormalities and an increased risk of melanoma. Mutations in NRAS, BRAF, and Tp53 have been described in individual CMN samples; however, their role in the pathogenesis of multiple CMN within the same subject and development of associated features has not been clear. We hypothesized that a single postzygotic mutation in NRAS could be responsible for multiple CMN in the same individual, as well as for melanocytic and nonmelanocytic central nervous system (CNS) lesions. From 15 patients, 55 samples with multiple CMN were sequenced after site-directed mutagenesis and enzymatic digestion of the wild-type allele. Oncogenic missense mutations in codon 61 of NRAS were found in affected neurological and cutaneous tissues of 12 out of 15 patients, but were absent from unaffected tissues and blood, consistent with NRAS mutation mosaicism. In 10 patients, the mutation was consistently c.181C>A, p.Q61K, and in 2 patients c.182A>G, p.Q61R. All 11 non-melanocytic and melanocytic CNS samples from 5 patients were mutation positive, despite NRAS rarely being reported as mutated in CNS tumors. Loss of heterozygosity was associated with the onset of melanoma in two cases, implying a multistep progression to malignancy. These results suggest that single postzygotic NRAS mutations are responsible for multiple CMN and associated neurological lesions in the majority of cases.
Journal Article
