Journal articles on the topic 'Arnold de Lübeck'

This is a numerical and experimental study on the combined parameter and function estimation. The determination of thermal conductivity and the surface heat flux is an illustration of combined estimation of one parameter and one function by means of the conjugate gradient method with vectorial descent parameter. The experimental example developed herein uses one set of good data obtained by Beck and Arnold (1977, Parameter Estimation in Engineering and Science, Wiley, New York). For this case, two measured temperatures in the solid are used to illustrate combined estimation. The unknown boundary condition and thermal conductivity of this solid were satisfactorily reconstructed and a good enough comparison is demonstrated between the known and estimated unknowns. The temperature data of Beck and Arnold are found to be excellent. Also, it is shown that the developed approach is general, stable, powerful, and able to process a wide variety of heat transfer problems where a simultaneous estimation is unavoidable.

Chang H-A, Chang C-C, Chen C-L, Kuo TBJ, Lu R-B, Huang S-Y. Major depression is associated with cardiac autonomic dysregulation.Objective: Altered cardiac autonomic function has been proposed in patients with major depression (MD), but the results are mixed. Therefore, analyses with larger sample sizes and better methodology are needed.Methods: To examine whether cardiac autonomic dysfunction is associated with MD, 498 unmedicated patients with MD and 462 healthy volunteers, aged 18–65 years, were recruited for a case-control analysis. We used the Hamilton Depression Rating Scale (HAM-D) and the Beck Depression Inventory (BDI) to assess depression severity. Cardiac autonomic function was evaluated by measuring heart rate variability (HRV) parameters. Frequency-domain indices of HRV were obtained.Results: Patients with MD exhibited reduced cardiac vagal control compared to healthy volunteers, and depression severity was negatively correlated with cardiac vagal control. Stratified analyses by suicide ideation revealed more pronounced cardiac vagal withdrawal among MD patients with suicide ideation.Conclusion: This study shows that MD is associated with cardiac autonomic dysregulation, highlighting the importance of assessing HRV in currently depressed patients, given the higher risk for cardiac complications in these individuals. Taking into account that suicidal depressed patients had more adverse patterns of HRV, one might consider the treatment to restore the autonomic function for the patient population having increased susceptibility to autonomic dysregulation.

The pandemic of COVID-19 has afflicted every individual and has initiated a cascade of directly or indirectly involved events in precipitating mental health issues. The human species is a wanderer and hunter-gatherer by nature, and physical social distancing and nationwide lockdown have confined an individual to physical isolation. The present review article was conceived to address psychosocial and other issues and their aetiology related to the current pandemic of COVID-19. The elderly age group has most suffered the wrath of SARS-CoV-2, and social isolation as a preventive measure may further induce mental health issues. Animal model studies have demonstrated an inappropriate interacting endogenous neurotransmitter milieu of dopamine, serotonin, glutamate, and opioids, induced by social isolation that could probably lead to observable phenomena of deviant psychosocial behavior. Conflicting and manipulated information related to COVID-19 on social media has also been recognized as a global threat. Psychological stress during the current pandemic in frontline health care workers, migrant workers, children, and adolescents is also a serious concern. Mental health issues in the current situation could also be induced by being quarantined, uncertainty in business, jobs, economy, hampered academic activities, increased screen time on social media, and domestic violence incidences. The gravity of mental health issues associated with the pandemic of COVID-19 should be identified at the earliest. Mental health organization dedicated to current and future pandemics should be established along with Government policies addressing psychological issues to prevent and treat mental health issues need to be developed.
 
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O título da obra traz palavras com alta intensidade antropológica, “rituais”, “performances”, “pesquisa”, “campo”. A coletânea, organizada por Jean Langdon e Éverton Pereira, reúne oito capítulos que partiram de práticas cotidianas da Ilha de Florianópolis (e de Curitiba) para pensar teoricamente “ritual” e “performance”. Um dos fios possíveis a alinhavar os capítulos é a experimentação etnográfica a partir do cabedal teórico que discutiu “ritual” em eras mais clássicas, como Victor Turner, Arnold Van Gennep, Clifford Geertz, e mais contemporâneas e brasileiras, como Mariza Peirano, Jean Langdon, Luciana Hartmann. O livro tem mérito garantido ao apresentar diferentes cenários em que rituais de “espetáculos, festas, brincadeiras, teatro, jogos” (:7) são observados, descritos e desafiados pelos conceitos. Depois de uma discussão conceitual de “rito”, assinada por Langdon, a saída de iaô no candomblé, os encontros de estudos bíblicos luteranos, o consumo de ayahuasca, uma roda de capoeira, apresentações do Boi-de-mamão, o arrastão da tainha, um campeonato de jiu-jítsu e uma festa de aniversario são os rituais analisados ao longo do livro. Só por isso, o livro já é boa indicação de leitura para aqueles que pesquisam rituais e performances diversas.

IntroductionThis article explores the work of lists in mediating the materiality and complexity of everyday life. In contemporary cultural contexts the endless proliferation of listing forms and practices takes on a “self-reflexivity” that signals their functional and productive role in negotiating the everyday. Grocery lists, to do lists, and other fragmentary notes work as personal tools for ordering and managing daily needs and activities. But what do these fragments tell us about the work of lists? Do they “merely” describe or provide analytical insight into the everyday? To address these questions we explore the issues and anxieties raised by everyday consumption drawing on theories of everyday life. These concerns, which are examined in detail in the second part of the paper, lie at the heart of French writer Georges Perec’s interest in the “infra-ordinary”—that which resides within the everyday. In the parts of his writing that he designated in retrospect as “sociological,” Perec takes the form and function of lists as a starting point for a range of literary experiments that work as tools of discovery and invention capable in their seeming banality of both mapping and disrupting everyday life. Les Choses (Things) and Je Me Souviens (I Remember), for example, take the form of endless and repetitious lists of things, places, people, and memories, collections of fragments that aim to achieve a new kind of sociology of everyday life. While this project may be contentious in terms of its “representativeness,” as a discursive method or mode of ethnographic practice (Becker) it points to the generative power of lists as both of the everyday and as an analytical tool of discovery for understanding the everyday. Perec’s sociology of the everyday is not, we argue, articulated as a form of a cohesive or generalizable characterisation of social institutions, but rather emerges as an “invent-ory” of the rich texture and disjunctures that populated his everyday spaces, personal encounters, and memories. Lists and the EverydayTo see lists as tools of common use, to paraphrase Spufford (2), is to place the list squarely within the realm of the everyday. A particular feature of the everyday—its “special quality,” as Highmore puts it—is that it is characterised by “the unnoticed, the inconspicuous, the unobtrusive” (Highmore 1). The everyday is enigmatic, elusive, difficult to grasp, and important because of this. In Maurice Blanchot’s famous formulation, “whatever its other aspects, the everyday has this essential trait: it allows no hold. It escapes” (14). Its pervasiveness renders it as platitude, but, as Blanchot adds, “this banality is also what is most important, if it brings us back to existence in its very spontaneity and as it is lived” (13). This tension poses special challenges for critics of the everyday who must register it as a part of, as inhering in, “manifold lived experience” without it “dissolving” into “statistics, properties, data” when it is “made the object of study” (Sheringham 360). In short, as Fran Martin (2) points out, “even though it surrounds us completely and takes up the vast majority of our time, the everyday is extremely difficult to pin down.” It is a predicament that is made all the more difficult in light of the complicated entanglement of the everyday and consumer capitalism (Jagose; Lury; Schor and Holt). This close relationship between consumer objects—things—and everyday life (along with other historical factors), has profoundly shifted critical understanding of the processes of subject formation and identity performance. One influential formulation of these transformations, associated most strongly with the work of Giddens and Beck, is captured in the notion of “reflexive modernity.” This refers to the understanding that, increasingly, at a broader societal level, “the very idea of controllability, certainty or security” is being challenged (Beck, World Risk Society 2)—developments that impact directly on how self-identity is formed (Giddens), reformed and performed (Hall). Faced with such upheavals, it is suggested that the individual increasingly “must produce, stage and cobble together their biographies themselves” (Beck, “Reinvention” 13), they must self-reflexively “invent” themselves. As Slater puts it, individuals, by force of circumstance, are required to “choose, construct, interpret, negotiate, display who they are to be seen as” (84) using a wide array of resources, both material and symbolic. Consumerism, it is widely argued, proffers its goods as solutions to these problems of identity (Slater 85). For instance, Adam Arvidsson notes how goods are used in the construction of “social relations, shared emotions, personal identity or forms of community” (18). This is particularly the case in relation to lifestyle consumption, which for Chaney (11) functions as a response to the loss of meaning in modern life following the sorts of larger societal upheavals described by Giddens and Beck and others. The general implication of lifestyle consumption across its various forms is that “‘every choice’ […] all acts of purchase or consumption, […] ‘are decisions not only about how to act but who to be’” (Warde in Slater 85). It is here that we can place the contemporary work of lists and the proliferation of list forms and practices. Lists figure in vital ways within this context of consumer-based everyday life. At a general level, lists assist us in making sense of the activities, objects, and experiences that feed and constitute daily life. In this sense, the list is a crucial mediating device, a means of organising things and bringing the mundanities and the exigencies of the everyday under control:The list categorises the ongoing chores of everyday life: organising and managing shopping, work, laundry, meetings, parking fines, and body management. (Crewe 33)In relation to lifestyle consumption, lists and inventories constitute one key way in which “we attempt to organise and order consumption” (Crewe 29). In this sense, lists are, for Louise Crewe, important “scripting devices that help us to manage the mundanity and weighty materiality of consumption” (Crewe 29). The use of the phrase “scripting device” is important here insofar as it suggests a double-movement in which lists simultaneously serve as “devices for regulating and disciplining the consuming body” (that is, lists as “prompts” that encourage us to follow the “script” of consumer culture) and work productively to “narrate practice and desire” (part of the “scripting” of self-identity and performance) (Crewe 30).In developing and illustrating these ideas, Crewe draws on Bill Keaggy’s found shopping lists project. Originally a blog, and subsequently a book entitled Milk Eggs Vodka, Keaggy gathers (and offers humorous commentary on) a wide array of discarded shopping lists that range from the mundane, to the bizarre, to the profound, each, in their own way, surprisingly rich and revealing of the scribes who penned them. Individually, the lists relay, through object names, places, actions, and prompts, the mundane landscape of everyday consumption. For example: Zip lockIceBeerFruit (Keaggy 42) SunglassesShoesBeer$Food (Keaggy 205)Keaggy’s collection comes to life, however, through his own careful organisation of these personal fragments into meaningful categories delineated by various playful and humorous characteristics. This listing of lists performs a certain transformation that works only in accumulation, in the book’s organisation, and through Keaggy’s humorous annotations. That is, Keaggy’s deliberate organisation of the lists into categories that highlight certain features over others, and his own annotations, introduces an element of invention and play, and delivers up many unexpected insights into their anonymous compilers’ lives. This dual process of utilising the list form as a creative and a critical tool for understanding the everyday also lies at the heart of Georges Perec’s literary and sociological project. Georges Perec: Towards an Invent-ory of Everyday LifeThe work of the French experimental writer Georges Perec is particularly instructive in understanding the generative potential of the act of listing. Perec was especially attuned to the effectiveness and significance of lists in revealing what is important in the mundane and quotidian—what he calls the “infra-ordinary” or “endotic” (as opposed to the “extraordinary” and “exotic”). As shall be detailed below, Perec’s creative recuperation of the list form as a textual device and critical tool leads us to a fuller appreciation of how, in Crewe’s words, “the most mundane, ordinary, invisible, and seemingly uninteresting things can be as significant and revealing as the most dramatic” (44).Across Perec’s diverse literary output, lists figure repeatedly in ways that speak directly to their ability to shed light on the inner workings of the everyday—their ability to make the familiar strange (Highmore 12)—and to reveal the entangled interactions between everyday consumption and personal identity. It is in this second sense that lists operate in his novel Things: A Story of the Sixties (Les Choses, 1965), a book that the French philosopher Alain Badiou (20, note 1) describes as a “rigorous literary version of the Marxist theme of alienation—especially the prevalence of things over existence.” Things tells of the endeavours of Sylvie and Jérôme, a young Parisian couple who, in Bourdieu’s terms, attempt to improve their social position in part through the cultural capital resources they see as invested in consumer objects, in the “things” that they acquire and desire. Perec’s telling of this narrative is heavily populated with lists of these semiotically loaded objects of consumer desire, taste, and distinction. The book opens, for example, with a descriptive listing of the kinds of decorative elements that visitors would encounter in the entrance hall of an idealised, imagined Paris apartment the couple longed for:Your eye, first of all, would glide over the grey fitted carpet in the narrow, long and high-ceilinged corridor. Its walls would be cupboards, in light-coloured wood, with fittings of gleaming brass. Three prints, depicting, respectively, the Derby winner Thunderbird, a paddle-steamer named Ville-de-Montereau, and a Stephenson locomotive, would lead to a leather curtain hanging on thick, black, grainy wooden rings which would slide back at the merest touch. (Perec, Things 21) This (and other detailed) listing of idealised objects—which, as the book progresses, are set in stark opposition to their present lived reality—tells the reader a great deal about the two protagonists’ wants and desires (“they both possessed, alas, but a single passion, the passion for a higher standard of living, and it exhausted them”—Perec, Things 35), and wider collective identification with these desires. Indeed, such identifications clearly had wide social resonance in France (and elsewhere) with Things collecting the Prix Renaudot. The ability of lists to speak to collective social (not just individual) experience was also explored by Perec in Je me souviens (1978), a book modelled on a project by Joe Brainard and which comprised a series of personal recollections of largely unremarkable events, which, nevertheless, at the time, had gained some form of purchase within the collective psyche of the French people—in Perec’s words, a random list of “little fragments of the everyday, things which, in such and such a year, everyone more or less the same age has seen, or lived, or share, and which have subsequently disappeared or been forgotten” (cited in Adair 178). For example:(item 57) I remember that Christian Jacque divorced Renée Faure in order to marry Martine Carol.(item 247) I remember that De Gaulle had a brother named Paul who was director of the Foire de Paris. (cited in Adair 179)Both these texts are component parts in a larger project of Perec’s to develop “an anthropology of everyday life” (Perec, “Notes” 142 note §). Howard Becker has offered a challenging, though also somewhat ambivalent, critique of Perec’s “sociological” method in these and other texts, contrasting Perec’s descriptive ethnography with the work that social scientists do. Becker takes aim at the way Perec’s detailed listing of objects, people, events, and memories eschews narrative and sociological design, referring to Perec’s method as “proto-ethnography,” or “detailed ‘raw description’” (73). Yet Becker is also drawn in by the end products of that method: “As you read Perec’s descriptions, you increasingly succumb to the feeling (at least I do, and I think others do as well) that this is important, though you can’t say how” (71). Ultimately, his criticism decries Perec’s failure to impose an explicit order on his lists and fragments, perhaps missing the significance of the way they are always bounded and underpinned by a conceptual principle: “It does not seem to have the kind of cohesion, at least not obviously, that social scientists like to ascribe to a culture, a similarity or interlocking or affinity of the parts to one another…” (74). That is, Perec’s lists stand as fragments, but fragments that do add up to something, as Becker admits: “The whole is more than the parts” (69). This ambivalence points to the analytical potential Perec found within those fragments, the “raw description,” that can only be understood through the end product. It could be argued that his lists defy the very possibility of presenting the everyday as a cohesive whole, and promote instead the everyday in its rich texture, as repetition and disjuncture. This project presents itself, in short, as a sociology of the everyday, whilst subverting the functionalist traditions of sociological observation and classification (Boyne). As Perec asks of the habitual, “How are we to speak of [...] ‘common things,’ how to track them down rather, flush them out, wrest them from the dross in which they remain mired, how to give them a meaning, a tongue [...]?” (Perec, “Approaches” 210). Lists (alongside other forms of description) play a vital role in this project and provide a partial answer to the above questions, and this is why Perec’s lists actively seek out the banal or quotidian. In addition to the examples cited above, fascination with enumeration of this kind is most strikingly realised in his essay, “Attempt at an Inventory of the Liquid and Solid Foodstuffs Ingurgitated by Me in the Course of the Year Nineteen Hundred and Seventy-Four” (Реrес, “Attempt” 244-249), and his later radio broadcast, “An Attempt at а Description of Things Seen at Mabillon Junction on 19 Мау 1978” (Bellos 640). At very least, Perec’s experiments serve as testimony to his ability to transform the trivial into the poetic—list-making as “invent-ory”. Importantly, however, Perec makes the shift from the inventory as a pragmatic listing form, “presenting a simple series of units,” “collected by a conceptual principle” (Belknap 2, 3), to a more transformative or analytical discursive practice. In all the above cases, Perec’s “accumulation is used in conjunction with other forms, devices, and intentions” (Bellos 670), such as, for instance, in the deployment of the list (the “invent-ory”) as an effective lever with which to pry open for inspection the seemingly inscrutable inner workings of everyday spaces, things, memories, in order that they might “speak of what is [and] of what we are” (Perec, “Approaches” 210).In this way, Perec’s use of lists (and various forms of categorisation) can be understood as a critique of the very possibility of stable method applied to classificatory ordering systems. In its place he promotes a set of practices that are oriented towards, and appropriate to, investigations of the everyday, rather than establishing scientific universals. At points in his work Perec expresses discomfort or even anxiety in taking the act of classification as a “method.” He begins his essay “Think/Classify,” for instance, by lamenting the “discursive deficiency” of his own use of classification in grasping the everyday, which at the same time calls “the thinkable and the classifiable into question” (189). And, yet, the act of listing, situated as it is for Perec firmly within the material contexts of particular activities and spaces, ultimately offers a productive means by which to understand, and negotiate, the everyday.ConclusionIn this paper we have examined the everyday work of lists and the functions that they serve in mediating the materiality and complexity of everyday life. In the first section of the paper, following Crewe, we explored the dual function of lists as scripting devices in simultaneously “disciplining” us as consumers as well and as a means of controlling the everyday in ways that also feed our sense of self-identity. In this sense lists are complex devices. Perec was especially attuned to the layers of complexity that attend our engagement with lists. In particular, as we explored in the second part of the paper, Perec saw lists as a critical and productive tool (an invent-ory) and used them to scrutinise common things in the hope that they might “speak of what is [and] of what we are” (Perec, “Approaches” 210). Lists remain, in this sense, an accessible discursive technology often surprising for their subtle revelations about the everyday even while they maintain adherence to an inherently recognisable form.In setting out the importance of his own “project,” and the need to question the habitual, Perec provides a set of instructions (his “pedagogic strategy”—Adair 177), presented as an approach (if not a method), and which signals his desire to critique the traditions of social science as a method of material and social ordering and analysis. Perec’s appropriation of this approach, this discursive technology, also works as a provocation, as a “project” that others might adopt. He prompts his readers to “make an inventory of your pockets, your bag. Ask yourself about the provenance, the use, what will become of each of the objects you take out” (Perec, “Approaches” 210). This is a challenge that was built upon in different ways by a number of writers inspired by the esprit of Perec’s approach to the everyday, associated also with “a wider cultural shift from systems and structures to practices and performances” (Sherringham 292). Sherringham, for instance, traces the “redirection of ethnographic scrutiny from the far to the near” in the work of Augé, Ernaux, Maspero and Réda amongst others (292-359). Perec’s lists thus serve as a series of provocations which still hold critical purchase, and the full implications of which are still to be realised.ReferencesAdair, Gilbert. “The Eleventh Day: Perec and the Infra-ordinary.” The Review of Contemporary Fiction XXIX.1 (2009): 176-88.Arvidsson, Adam. Brands: Meaning and Value in Media Culture. London: Routledge, 2006.Badiou, Alain. The Rebirth of History: Times of Riots and Uprisings. Trans. Gregory Elliott. 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This study identifies A10398G alteration of mitochondrial ND3 gene in plasma exosome of 29 non-small cell lung cancer (NSCLC) patients, 31 controls and 13 pairs of tumor tissue and adjacent tissue of NSCLC patients, thereby assessing the relationship between this alteration in plasma exosome and tissue as well as the pathological characteristics of NSCLC patients. Using the PCR-RFLP method, the homoplasmy and heteroplasmy of A10398G were initially identified in mitochondrial DNA from both exosomes and lung tissues. The rate of variant 10398G in plasma exosome was 62.1% in the NSCLC group and 61.3% in the control group. However, there was no statistically significant difference in A10398G between the patient and control groups. The alteration of A10398G in plasma exosome and in tissue correlated with each other (correlation coefficient 0.69; p = 0.009). However, this alteration was not related to age, gender, smoking, alcohol drinks status, tumor size, histological stage and TNM stage.
 Keywords
 A10398G alteration, mitochondrial DNA, plasma exosome, non-small cell lung cancer.
 References
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The elaborate cross-media spectacle, ‘Australian Idol,’ ostensibly lays bare the process of creating a pop star. Yet with so much made visible, much is rendered opaque. Specifically, ‘Idol’ is defined by the use of carefully-tuned strategies of publicity and promotion that create, shape and reshape a series of ‘authentic celebrities’ – pop stars whose emergence is sanctified through a seemingly open process of public ratification. Yet, Idol’s main actor is the music industry itself which uses contestants as vehicles for crafting intimate, long-term relationships with consumers. Through an analysis of the process through which various contestants in ‘Australian Idol’ are promoted and sold, it becomes clear that these populist icons are emblematic of an industry reinventing itself in a media environment that presents remarkable challenges and surprising opportunities. Curiously, the debates, strategies and motivations of the public relations industry have received little sustained attention in popular music studies. While much has been written about the contradictions between the rhetoric of rebellion and the complicated realities of corporate success (Frank; Negus), less has been written about the evolution of specific kinds of publicity and the strategies that shape their use in the music industry. This is surprising given the foundational role of public relations strategies within the culture industries generally and the music industry in particular. Specifically, what Turner et. al. define as ‘the promotional culture’ is central to the production and marketing of mainstream popular music. The ‘Idol’ phenomenon offers a rich opportunity to examine how the mainstream of the popular music industry uses distinct and novel marketing strategies in the face of declining sales of compact discs, an advertising environment that is extraordinarily crowded with all manner of competing messages, a steady rate of trade in digital song files and ever more effective competition from video games and DVDs. The ‘Idol’ phenomenon has proved to be a bundle of highly successful strategies for making money from popular music. Selling CDs seems to be almost ancillary to the phenomenon, acting as only one profit centre among many. Indeed, we can track the progress and deployment of specific strategies for shaping the creation of what has become a series of musical celebrities from the start of the first series of ‘Australian Idol’ through a continuous process of strategic publicity. The Attention Economy It has been somewhat hysterically estimated that the average resident of Sydney might be presented with around 3000 commercial messages a day (Lee). It is this kind of communication environment that makes account planners go weak in the knees in both paralysing anxiety and genuine excitement. Many have taken to paying people to go to bars, cafes and clubs to talk up the relative merits of a product to complete strangers in the guise of casual conversation. Similarly, commercial buskers have recently appeared on City Trains to proclaim the virtues of the wares they’ve been contracted to hawk. One can imagine ‘Cockles and Mussels’ has been updated as ‘MP3 Players and Really Cool Footwear.’ These phenomena are variously referred to as ‘viral,’ ‘tipping point,’ ‘word of mouth’ or ‘whisper’ marketing. (Gladwell; Godin; Henry; Lee; Rosen) Regardless of what you call it, the problem inspiring these promotional chats and arias is the same: advertisers can no longer count on getting and holding our attention. As Davenport and Beck, Brody and even Nobel Prize winning economist Herbert Simon have noted, the more taxed public attention gets, the more valuable it becomes. By most industry accounts, the attention economy is an established reality. It represents a significant shift of emphasis away from traditional methods of reaching consumers, instead inspiring new thinking about how to create lasting, flexible and evolving relationships with target audiences. The attention economy is a complicated and often contradictory response to a media environment that appears less and less reliable and to consumers who behaviour is often poorly understood, even mysterious (Elliott and Jankel-Elliott). This challenging backdrop, however, is only the beginning for a seemingly beleaguered music industry. Wherever one looks, from the rise of the very real threat of global piracy to the expansion of the video game industry to mobile phones and hand held players to increasing amounts of money spent on DVDs and ring tones, selling CDs has become almost a sideline. The main event is the profitable use and reuse of the industry’s vast stores of intellectual property through all manner of media, most which didn’t exist ten years ago. Indeed, the ‘Idol’ phenomenon shows us how the music industry has been incorporating its jealously-guarded intellectual property and familiar modes of industrial self-presentation into existing media environments to build long-term relationships with consumers through television, radio, DVDs, CDs, the internet and mobile phones. Further, ‘Idol’s’ producers have supplemented more traditional models of communication by taking direct and explicit account of how and where audiences use a wide variety of media. The broad range of opportunities to participate in ‘Idol’ is central to its success. It demonstrates a willingness on the part of producers to accept the necessity of bending somewhat to the audience’s existing and evolving uses of the media. In short, they are simply not all that fussy about how participation actually happens so long as it does. Producers allow for many kinds of participation in order to constantly offer more specific and more active levels of involvement. ‘Idol’ has transformed consumer relationships within the music industry by coaxing into being ever more intimate, active and reciprocal relationships over the course of the contest by encouraging increasingly specific acts by consumers to complete a continual series of transactions. The Use and Reuse of Celebrity In many quarters, ‘Australian Idol’ has become a byword for bullshit. The competition seems rigged and the contestants are not seen as ‘real’ musicians in large part because their experience appears to be so transparent and so transparently commercial. As the mythology of the music industry has traditionally had it, deserving pop stars are established as celebrities through what is a more or less a linear progression. Early success is based on a carefully constructed sense of authentic cultural production. Credibility is established through a series of contestable affiliations to ostensibly organic music cultures, earned through artistic development and the hard slog of touring and practice (see Maxwell 118). The fraught possibilities of mainstream success continually beckon to ‘real’ musicians as they either ‘crossover’ or remain independent all the while trying to preserve some elusive measure of public honesty. As this mythology was implicitly unavailable to the producers of ‘Idol,’ a different kind of authenticity had to be constructed. Instead of a ‘battles of the bands’ (read: brands) contest, ‘Idol’ producers chose to present ‘unbranded’ aspirants (“Sydney Audition”). These hopefuls are presented as appealingly ambitious or merely optimistic individuals with varying degrees of talent. Those truly blessed, not only with talent but the drive to work it into saleable shape, would be carefully chosen from the multitude and offered an opportunity to make the most of their inherent yet unformed ability. Thus, their authenticity was assumed to be an implicit, inchoate presence, requiring the guiding hand of insiders to reach full flower. Through the facilitation of competition and direction provided in the form of knowledgeable music industry veterans who never tire of giving stern admonitions to indifferent performers who do not take full advantage of the opportunity presented to them, contestants are asked to prove themselves through an extended period of intense self-presentation and recreation. The lengthy televised, but tightly-edited auditions, complete with extensive commentary and the occasional gnashing of teeth on the part of the panel of experts and rejected contestants, demonstrate to us the earnest intent of those involved. Importantly, the authenticity of those proceeding through the contest is never firmly established, but has to be continually and strategically re-established. Each weighty choice of repertoire, wardrobe and performance style can only break them; each successful performance only raises the stakes. This tense maintenance of status as a deserving celebrity runs in tandem with the increasingly attentive and reciprocal relationship between the producers and the audience. The relationship begins with what has proved to be a compelling first act. Thousands of ‘ordinary’ Australians line up outside venues throughout the country, many sleeping in car parks and on footpaths, practising, singing and performing for the mobile camera crews. We are presented with their youthful vigour in all its varied guises. We cannot help but be convinced of the worth of those who survive such a process. The chosen few who are told with a flourish ‘You’re going to Sydney’ are then faced with what appears to be a daunting challenge, to establish themselves in short order as a performer with ‘the X factor’ (“Australian Idol” 14 July 2004). A fine voice and interesting look must be supplemented with those intangible qualities that result in wide public appeal. Yet these qualities are only made available to the public and the performer because of the contest itself. When the public is eventually asked to participate directly, it is to both produce and ratify exactly these ambiguous attributes. More than this, contestants need our help just to survive. Their celebrity is almost shockingly unstable, more fleeting than its surrounding rhetoric and context might suggest and under constant, expected threat. From round to round, favourites can easily become also rans–wild cards who limp out of one round, but storm through the next. The drama can only be heightened, securing our interest by requiring our input. As any advertiser can tell you, an effective campaign must end in action on our part. Through text message and phone voting as well as extensive ‘fan management’ through internet chat rooms and bulletin boards (see Stahl 228; http://au.messages.yahoo.com/australianidol/), our channelled ‘viral’ participation both shapes and completes the meanings of the contest. These active and often inventive relationships (http://au.australianidol.yahoo.com/fancentral/) allow the eventual ‘Idol’ to claim the credibility the means of their success otherwise renders suspect and these activities appear to consummate the relationship. However, the relationship continues well beyond the gala final. In a fascinating re-narration of the first series of ‘Australian Idol,’ Australian Idol: The Winner’s Story aired on the Friday following the final night of the contest. The story of the newly crowned Idol, Guy Sebastian, was presented in an hour long program that showed his home life, his life as a voice teacher in the Adelaide suburbs and his subsequent journey to stardom. The clips depicting his life prior to ‘Idol’ were of ambiguous vintage, cleverly silent on the exact date of production; somehow they were not quite in the past or the future, but floated in some eternal in-between. When his ‘Australian Idol’ experience was chronicled, after the second commercial break, we were allowed to see an intimate portrait of an anxious contestant transformed into ‘Your Australian Idol.’ There could be no doubt of the virtue of Sebastian’s struggles, nor of his well-earned victory. ‘New’ footage began with the sudden sensation reluctantly commenting on other contestants at the original Adelaide cattle call at the prompting of the mobile camera crew and ended with his teary-eyed mother exultant at the final decision as she stood in the front row at the Opera House. Further, not only is the entire run of the first series dramatically recounted in documentary format on the Australian Idol: Greatest Moments DVD, framed by Sebastian’s humble triumph, so are the stories of each member of the Final 12 and the paths they took through the contest. These reiterations serve to reinforce not only Sebastian’s status, but the status of the program itself. They confirm the benevolent success of the industry it so dutifully profiles. We are taken behind the curtain, allowed to see the machinery of stardom grind inevitably to a conclusion, knowing we will be allowed back again when the time is right. Whereas ‘Idol’ is routinely pilloried for its crass commercialism, it remains an unavoidable success. Viewers keep tuning in, advertisers still clamour to sponsor all aspects of the production and the CDs keep selling. Most importantly, the music industry has a showcase for its own operations. The structures of feeling it exists to produce take on a kind of subtle explicitness that ensures their perpetuation. Within an industry faced with threats perceived to be foundational, the creators of ‘Idol’ have produced an audacious and arrogant spectacle. They have made a profitable virtue out of an economic necessity. The expensive and unpredictable process of finding and nurturing new talent has not only been made more reliable, but ‘Idol’ has shown that it can actually turn a profit. The brand of celebrity produced by Idol possesses no mere sheen of populist approval, but embodies that more valuable commodity: popular attention, however reluctant or enthusiastic it may be. References “Australian Idol.” Ten Network, Sydney, 14 July 2004. “Australian Idol: The Winner’s Story.” Ten Network, Sydney, 21 November 2003. Australian Idol: Greatest Moments. Fremantle Media Operations, 2004. Brody, E.W. “The ‘Attention’ Economy.” Public Relations Quarterly 46.3 (2001): 18-21. Davenport, T., and J. Beck. “The Strategy and Structure of Firms in the Attention Economy.” Ivey Business Journal 66.4 (2002): 49–55. Elliott, R., and N. Jankel-Elliott. “Using Ethnography in Strategic Consumer Research.” Qualitative Market Research 6.4 (2003): 215-23. Frank, Thomas. The Conquest of Cool: Business Culture, Counterculture, and the Rise of Hip Consumerism. Chicago: U of Chicago P, 1997. Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Boston: Back Bay Books, 2002. Godin, Seth. Unleashing the Ideavirus. New York: Hyperion, 2001. Henry, Amy. “How Buzz Marketing Works for Teens.” Advertising and Marketing to Children April-June (2003): 3-10. Lee, Julian. “Stealth Marketers Ready to Railroad the Unsuspecting.” Sydney Morning Herald 24-5 July 2004: 3. Maxwell, Ian. “True to the Music: Authenticity, Articulation and Authorship in Sydney Hip-Hop Culture.” Social Semiotics 4.1-2 (1994): 117–37. Negus, Keith. Music Genres and Corporate Cultures. London: Routledge, 1999. Negus, Keith. Producing Pop: Culture and Conflict in the Popular Music Industry. London: Edward Arnold, 1992. Rosen, Emanuel. The Anatomy of Buzz: How to Create Word of Mouth Marketing. London: Harper Collins, 2000. Stahl, Matthew. “A Moment like This: American Idol and Narratives of Meritocracy.” Bad Music: Music We Love to Hate. Eds. C. Washburne and M. Derno. New York: Routledge, 2004. 212–32. “Sydney Auditions: Conditions of Participation in the Australian Idol Audition.” Australian Idol Website 10 June 2004. http://au.australianidol.com.au>. Turner, G., F. Bonner, and P.D. Marshall. Fame Games: The Production of Celebrity in Australia. Cambridge: Cambridge UP, 2000. Citation reference for this article MLA Style Fairchild, Charles. "'Australian Idol' and the Attention Economy." M/C Journal 7.5 (2004). echo date('d M. Y'); ?> <http://journal.media-culture.org.au/0411/09-fairchild.php>. APA Style Fairchild, C. 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Introdução: O maior foco das pesquisas odontológicas nos últimos 60 anos tem sido a adesão e suas técnicas. Mais de 7000 artigos já foram publicados a este respeito. O desenvolvimento dos materiais odontológicos adesivos e as técnicas a eles relacionadas possuem uma história interessante, onde descobertas do passado ainda são usadas de alguma forma no presente. Objetivo: expor, através de uma revisão de literatura, um breve histórico sobre materiais e técnicas restauradoras, bem como o estágio atual da odontologia adesiva, com ênfase na tradução de evidências baseadas em pesquisas laboratoriais para a prática clínica. Materiais e Métodos: Foram selecionados livros de preferência do autor para a introdução de conceitos clássicos e artigos de revisão publicados nos últimos 10 anos, utilizando as cinco palavras-chave: “Dental Bonding” AND “Dental Cements” AND “Resin Cements” AND “Adhesives” AND “Ceramics”, sorteados pela melhor combinação na plataforma Pub/Med/MEDLINE. Resultados: Duzentos e um artigos, foram encontrados, sendo utilizados para análise qualitativa e quantitativa aqueles pertinentes ao direcionamento do autor, de acordo com o tema. Conclusão: Considerando as limitações do estudo, concluiu-se que a odontologia adesiva é uma área que segue em constante desenvolvimento, fundamental para a realização de restaurações minimamente invasivas e estéticas. Onde para que seja possível consequentemente longevidade clínica, os materiais utilizados e substrato dentário requerem conhecimento do profissional e fidelidade na execução de um correto pré-tratamento das superfícies, respeitando suas naturezas e composições.Descritores: Colagem Dentária; Cimentos Dentários; Cimentos de Resina; Adesivos; Cerâmica.ReferênciasVan Meerbeek B, De Munck J, Yoshida Y, Inoue S, Vargas M, Vijay P, et al. Buonocore memorial lecture. Adhesion to enamel and dentin: current status and future challenges. Oper Dent. 2003;28:215-35.Miyashita E, Fonseca AS. 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