1,480 research outputs found
The Sharp-Shinned Hawk (Accipiter Striatus Vieillot) In Interior Alaska
Thesis (M.S.) University of Alaska Fairbanks, 198
The Making of a Boxer
Inspired by the resounding success of Abina and the Important Men (OUP, 2011), Mendoza the Jew combines a graphic history with primary documentation and contextual information to explore issues of nationalism, identity, culture, and historical methodology through the life story of Daniel Mendoza. Mendoza was a poor Sephardic Jew from East London who became the boxing champion of Britain in 1789. As a Jew with limited means and a foreign-sounding name, Mendoza was an unlikely symbol of what many Britons considered to be their very own national sport. Whereas their adversaries across the Channel reputedly settled private quarrels by dueling with swords or pistols--leaving widows and orphans in their wake--the British (according to supporters of boxing) tended to settle their disputes with their fists.Mendoza the Jew provides an exciting and lively alternative to conventional lessons on nationalism. Rather than studying learned treatises and political speeches, students can read a graphic history about an eighteenth-century British boxer that demonstrates how ideas and emotions regarding the nation permeated the practices of everyday life. Mendoza\u27s story reveals the ambivalent attitudes of British society toward its minorities, who were allowed (sometimes grudgingly) to participate in national life by braving pain and injury in athletic contests, but whose social mobility was limited and precarious.https://scholarworks.wm.edu/asbookchapters/1143/thumbnail.jp
Evolutionary analysis of the lysine-rich N-terminal cytoplasmic domains of the gastric H+,K+-ATPase and the Na+,K+-ATPase
The catalytic α-subunits of both the Na+,K+-ATPase and the gastric H+,K+-ATPase possess lysine-rich N-termini which project into the cytoplasm. Due to conflicting experimental results it is currently unclear whether the N-termini play a role in ion pump function or regulation, and, if they do, by what mechanism. Comparison of the lysine frequencies of the N-termini of both proteins with those of all of their extramembrane domains showed that the N-terminal lysine frequencies are far higher than one would expect simply from exposure to the aqueous solvent. The lysine frequency was found to vary significantly between different vertebrate classes, but this is due predominantly to a change in N-terminal length. As evidenced by a comparison between fish and mammals, an evolutionary trend towards an increase of the length of the N-terminus of the H+,K+-ATPase on going from an ancestral fish to mammals could be identified. This evolutionary trend supports the hypothesis that the N-terminus is important in ion pump function or regulation. In placental mammals, one of the lysines is replaced by serine (Ser-27), which is a target for protein kinase C. In most other animal species a lysine occupies this position and hence no protein kinase C target is present. Interaction with protein kinase C is thus not the primary role of the lysine-rich N-terminus. The disordered structure of the N-terminus may, via increased flexibility, facilitate interaction with another binding partner, e.g. the surrounding membrane, or help to stabilize particular enzyme conformations via the increased entropy it produces.Australian Research Counci
General and specific interactions of the phospholipid bilayer with P-type ATPases
Protein structure and function are modulated via interactions with their environment, representing both the surrounding aqueous media and lipid membranes that have an active role in shaping the structural topology of membrane proteins. Compared to a decade ago, there is now an abundance of crystal structural data on membrane proteins, which together with their functional studies have enhanced our understanding of the salient features of lipid-protein interactions. It is now important to recognize that membrane proteins are regulated by both: (1) general lipid-protein interactions, where the general physicochemical properties of the lipid environment affect the conformational flexibility of a membrane protein; and (2) by specific lipid-protein interactions, where lipid molecules directly interact via chemical interactions with specific lipid-binding sites located on the protein. However, due to local differences in membrane composition, thickness and lipid packing, local membrane physical properties and hence the associated lipid-protein interactions also differ due to membrane location, even for the same protein. Such a phenomenon has been shown to be true for one family of integral membrane ion pumps, the P2-type adenosine triphosphatases (ATPases). Despite being highly homologous, individual members of this family have distinct structural and functional activity and are an excellent candidate to highlight how the local membrane physical properties and specific lipid-protein interactions play a vital role in facilitating the structural rearrangements of these proteins necessary for their activity. Hence in this review, we focus on both the general and specific lipid-protein interactions and will mostly discuss the structure-function relationships of the following P2-type ATPases, Na+,K+-ATPase (NKA), gastric H+,K+-ATPase (HKA) and sarco(endo)plasmic reticulum Ca2+-ATPase (SERCA), in concurrence with their lipid environment.Australian Research Counci
Thermal-neutron cross section for 10(n,t)2_ via 3-4He mass spectrometry
The thermal cross section for the reaction 10He is determined to be 4.47±0.15 mb by neutron irradiation of H3BO3 followed by measurement of 3He (from decay of 3H) and 4He in a static mass spectrometer. Some samples contained boron of normal isotopic composition and some were enriched in 10B, and irradiations were carried out in a highly thermalized neutron flux and in the core of a light-water-moderated reactorPeer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/86120/1/PhysRevC.39.1633.pd
The verse-novel: a description of the form, with special attention to selected verse narratives of the Victorian period
Since 1900 the term "verse-novel" has frequently
appeared in discussions of certain long narrative poems of
the Victorian Period. The critics and literary historians
who use the term, however, have applied it very loosely.
Several critics, for example, have referred to Robert
Browning's The Ring and the Book as a verse-novel, while a
number of others have called it a form of epic. Again, while
Mrs. Browning herself spoke of her Aurora Leigh as a novel-poem
(i.e. a verse-novel), one critic refers to it as a
metrical romance. There seems to be no general agreement on
the exact meaning of the term, and, so far as I know, no
critic has ever offered a precise definition. This study
attempts to work out a descriptive definition of the term
"verse-novel", especially as it has been applied to longer
Victorian narrative poems.
Two problems arise in attempting such a definition.
First, while the term ''verse'' may be generally understood,
the term ''novel '1 has never been exactly defined or
described. It is necessary, then, to examine the prose
novel at considerable length to determine the special
characteristics of the form. Then, since most critics
insist that the novel is necessarily in prose, I examine
the historical relationship between the prose-novel and
verse. This examination shows that the novel, since its
very beginning, has usually had some kind of relationship
with verse.
Having determined the distinguishing features of the
novel genre, and using as my touchstone the only English
poem the major critics agree is a verse-novel, Chaucer's
Troilus and Criseyde, I offer a tentative definition of the
verse-novel. The verse-novel, however, in many respects
resembles both the epic and the verse-romance. It is
necessary, therefore, to ascertain the essential differences
between these three forms of narrative.
To differentiate between the verse-novel and the
epic I compare and contrast the special characteristics of
each. Then, having examined a poem critics agree is an
epic fragment, Matthew Arnold's Sohrab and Rustum, I apply
my jury definition to Robert Browning's The Ring and the Book in an attempt to determine whether it is an epic, as
some critics say, or a verse-novel, as several others
maintain.
Distinguishing between the verse-novel and the
verse-romance is sometimes especially difficult. Like the
term "novel", "romance" has apparently never been clearly
defined. A romance, therefore, may be to one commentator
an account of the strange, the wonderful, or the remote, and
to another a story of love relations between the sexes. It
is necessary, then, to examine the romance historically to
establish the distinct . features of the form. This done, I
discuss the verse-romance in relation to the verse-novel.
Then, having examined a poem critics agree is a verse-romance,
William Morris' The Life and Death of Jason, I
attempt to determine whether Mrs. Browning's Aurora Leigh,
called by some critics a verse-romance, really fits my
definition of a verse-novel.
Having tested my definition in this manner, I briefly
examine other Victorian narrative poems critics have called
verse-novels or verse-novelettes to further establish its
validity. Finally, I offer a brief evaluation of the versenovel
in the Victorian Period
Labor Standards in the United States and Canada
Block, Roberts, and Clarke offer a method for comparing ten labor standards across political jurisdictions. They then apply this method to the United States and Canada, an exercise that allows them to settle the long-running dispute over whether or not Canada has higher standards than the U.S., and if so, to what degree.https://research.upjohn.org/up_press/1050/thumbnail.jp
How strategic focus relates to the delivery of leadership training and development.
Despite progress in the development of leadership development models over recent years, these models fail to account for the differentiation in leadership training and development (LTD) practices found between organizations. We conducted an exploratory, multiple case study of formal leadership training and development in 10 organizations, in different business sectors in the United Kingdom. We show that the strategic focus of LTD was shaped by the business goals pursued by these 10 organizations. We also found the strategic focus of LTD to be a broad contingency factor differentiated by level of impact, which then influenced the pattern of LTD delivery. The fi ndings offer support for a contingency perspective in explaining how leadership training and development is configured in differing organizational context
Ties, Leaders, and Teams: A Social Network Approach
To examine the theoretical and empirical implications of integrating the network and team literatures, we opened three different research lines. First, we argued that leader multiplex ties with their team members fulfilled important functions for team performance. In support of our hypotheses, analysis of data from 84 teams of a Spanish public service organization suggested that leaders’ centrality in their teams’ multiplex networks comprising both advice and friendship ties predicted longitudinal change in team performance, above and beyond members’ own multiplex ties. Beyond main effects, leader multiplex ties differentially interacted with members’ own network ties. We discussed theoretical implications with respect to leader social networks and team performance.
Second, we adopted a social network perspective to examine the social underpinnings of intergroup effectiveness—the dyadic effectiveness with which pairs of teams perform collaboratively. We proposed that the interplay of social network ties within and between teams predicted intergroup effectiveness differentially depending on levels of resource interdependence between teams. In support of our hypothesis, results from temporally separated, different-source data of 48 pairs of service and administration teams suggested that the interaction of intrateam density and strong ties across teams predict managerial intergroup effectiveness ratings differentially for low versus high levels of resource-interdependence. We discussed theoretical implications with respect to dyadic team effectiveness, the performance benefits of social network ties, and the design of team-based work.
Third, we adopted a multi-level, social network perspective to examine the importance of leaders’ management of upper echelon relationships in the organization for facilitating their employees’ creativity. We tested this idea with a sample of 214 employees working in 30 teams of a public technology and environmental services organization, followed by in-depth interviews with 7 senior managers. Results suggested that team leaders’ centrality in the idea generation and idea promotion networks among other team leaders, as well as their garnering of sponsorship support from senior management, affected their employees’ creativity in addition to employees’ own external network ties. Moreover, team leaders’ centrality in the peer leader idea generation and senior management sponsorship networks interacted with employees’ own external ties in different ways to predict creativity. We discussed theoretical implications with respect to social networks, employee creativity, and leadership
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