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Selected AbstractsIntricacies of the Single-Scar Technique for Donor Harvesting in Hair Transplantation SurgeryDERMATOLOGIC SURGERY, Issue 6 2004Dominic A. Brandy MD Background. Although single-scar techniques have been published and are used by approximately half of all surgeons, this approach is not as common as one might suspect. Objective. The objective is to demonstrate several surgical gems that make the single-scar donor technique a viable method that can be performed by the vast majority of hair restoration surgeons. Methods. The author presents various techniques such as postauricular skin elevation, subcutaneous undermining of the nape scalp, debulking of underlying scar tissue, temporary staple closure, and permanent double-layered closure using magnification (preferably 2.5 × or greater). All of these contribute to a loose closure with an aesthetically pleasing single donor scar after multiple surgeries. Results. Utilizing the various techniques described in this article, the author has been able to achieve a cosmetically attractive single scar after multiple surgeries in the vast majority of patients. Conclusion. An aesthetically pleasing single, thin donor scar is preferable to multiple scars or a thick single scar at the donor area after multiple hair restoration surgical procedures. The author presents several methods that help hair restoration surgeons conquer some of the obstacles that have deterred them from performing a single-scar technique with consistently excellent results. [source] The Thin End of the Wedge: Foreign Women Professors as Double Strangers in AcademiaGENDER, WORK & ORGANISATION, Issue 3 2008Barbara Czarniawska The impetus for this study was an observation that many of the first women to obtain chairs at European universities were foreigners. Our initial attempt to provide a statistical picture of this proved impossible, because there were numerous problems deciding the contents of such concepts as ,first', ,university professor' and ,foreigner'. We have therefore focused on four life stories. It turns out that being a ,double stranger', a woman in a masculine profession and a foreigner , is not, as one might think, a cumulative disadvantage. Rather, it seems that these two types of strangeness might cancel out one another, permitting these women a greater degree of success than was allowed their native sisters. This situation however, provides little psychological comfort, hence the metaphor of the wedge: opening the doors but suffering from double pressure. [source] Standing Facilities and Interbank Borrowing: Evidence from the Federal Reserve's New Discount WindowINTERNATIONAL FINANCE, Issue 3 2003Craig Furfine Standing facilities are designed to place an upper bound on the rates at which financial institutions lend to one another overnight, reducing the volatility of the overnight interest rate, typically the rate targeted by central banks. However, improper design of the facility might decrease a bank's incentive to participate actively in the interbank market. Thus, the mere availability of central-bank-provided credit may lead to its use being greater than what would be expected based on the characteristics of the interbank market. By contrast, however, banks may perceive a stigma from using such facilities, and thus borrow less than what one might expect, thereby reducing the facilities' effectiveness at reducing interest rate volatility. We develop a model demonstrating these two alternative implications of a standing facility. Empirical predictions of the model are then tested using data from the Federal Reserve's new primary credit facility and the US federal funds market. A comparison of data from before and after recent changes to the discount window suggests continued reluctance to borrow from the Federal Reserve. [source] Consumers' beliefs, attitudes and intentions towards genetically modified foods, based on the 'perceived safety vs. benefits' perspectiveINTERNATIONAL JOURNAL OF FOOD SCIENCE & TECHNOLOGY, Issue 4 2005Ioannis S. Arvanitoyannis Summary It has been repeatedly claimed that the application of genetic engineering in the field of agricultural and food production is both beneficial and advantageous. However, biotechnology is developing in an environment where public concerns about food safety and environmental protection are steadily increasing. The present study aims at gaining an insight into Greek consumers' beliefs, attitudes and intentions towards genetically modified (GM) food products. The objectives of this study are summarized as follows (i) to provide evidence that consumer beliefs are built around the ,safety-benefits' axis, and (ii) to segment the Greek market in terms of consumer beliefs about GM food products and identify a number of clusters with clear-cut behavioural profiles. Although the overall attitude of Greek consumers towards GM food is negative, the research very interestingly concludes that there exists a market segment of substantial size, whose beliefs about GM food appears to be positive. This finding suggests that there is not a ,consensus' regarding the rejection of GM foods in the Greek market as one might have expected thus ,encouraging' the implementation of adequate marketing strategies to target this segment of ,early adopters' in the first place. [source] National pension systems and mass opinion: a case study of confidence, satisfaction and political attitudes in NorwayINTERNATIONAL JOURNAL OF SOCIAL WELFARE, Issue 2 2004Ann-Helén Bay It is commonly assumed that popular support for national pension systems depends on widespread satisfaction with projected benefit levels among the working age population, and in particular that public support for the system will be jeopardised if the taxpayers do not feel confident about eventually receiving the promised benefits. On the basis of Norwegian survey data, two sets of questions are addressed in the article: (1) Is there a widespread lack of confidence in and satisfaction with the Norwegian National Insurance pension scheme? and (2) Is there an association between confidence and satisfaction and people's political attitudes towards the National Insurance pension scheme? Although we do not find any signs of a dramatic erosion of confidence towards the system, we do find that overall satisfaction with projected benefits is low among the working age population. Contrary to what one might expect, however, confidence and satisfaction from the point of view of individual interests appear not to be associated with a political preference for privatisation. [source] Explaining Europe's Monetary Union: A Survey of the LiteratureINTERNATIONAL STUDIES REVIEW, Issue 2 2009Tal Sadeh This article offers a survey of the literature on European Economic and Monetary Union (EMU), in particular works that deal with the question why EMU happened and, based on this literature, what one might be able to conclude about its sustainability. It reviews the literature by dividing up the analyses into four categories: those that explain EMU at the global and at the European Union (EU) levels of analysis, explanations at the national level, and explanations at the domestic level of analysis. The review suggests that EMU was a particular European response to global developments, which was possible because of existing EU institutions. EMU was causally motivated by a Franco-German deal, balancing national interests. Domestic motives reflect essentially opportunistic motives, and thus, cannot explain EMU. In our judgment the review suggests that Europe's single currency will remain sustainable as long as the Franco-German political deal sticks, the belief in the "sound money" idea remains hegemonic in Europe, and the losers from EMU are underrepresented in national and EU institutions. While opportunistic domestic motives cannot explain embarking on a long-term project, they can definitely be sufficient to derail such a project. [source] Molecular polarizability of fullerenes and endohedral metallofullerenesJOURNAL OF PHYSICAL ORGANIC CHEMISTRY, Issue 11 2002Francisco Torrens Abstract The interacting induced dipoles polarization model implemented in our program POLAR is used for the calculation of the molecular dipole µ and tensor quadrupole moments and also the dipole,dipole polarizability . The method is tested with Scn, Cn (fullerene and graphite) and endohedral Scn@Cm clusters. The polarizability is an important quantity for the identification of clusters with different numbers of atoms and even for the separation of isomers. The results for the polarizability are of the same order of magnitude as from reference calculations performed with our version of the program PAPID. The bulk limit for the polarizability is estimated from the Clausius,Mossotti relationship. The polarizability trend for these clusters as a function of size is different from what one might have expected. The clusters are more polarizable than what one might have inferred from the bulk polarizability. Previous theoretical work yielded the same trend for Sin, Gen and GanAsm small clusters. However, previous experimental work yielded the opposite trend for Sin, GanAsm and GenTem larger clusters. At present, the origin of this difference is problematic. One might argue that smaller clusters need not behave like those of intermediate size. The high polarizability of small clusters is attributed to dangling bonds at the surface of the cluster. In this respect, semiconductor clusters resemble metallic clusters. Copyright © 2002 John Wiley & Sons, Ltd. [source] Perturbation theory and excursion set estimates of the probability distribution function of dark matter, and a method for reconstructing the initial distribution functionMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Issue 1 2008Tsz Yan Lam ABSTRACT Non-linear evolution is sometimes modelled by assuming there is a deterministic mapping from initial to final values of the locally smoothed overdensity. However, if an underdense region is embedded in a denser one, then it is possible that its evolution is determined by its surroundings, so the mapping between initial and final overdensities is not as ,local' as one might have assumed. If this source of non-locality is not accounted for, then it appears as stochasticity in the mapping between initial and final densities. Perturbation theory methods ignore this ,cloud-in-cloud' effect, whereas methods based on the excursion set approach do account for it; as a result, one may expect the two approaches to provide different estimates of the shape of the non-linear counts in cells distribution. We show that, on scales where the rms fluctuation is small, this source of non-locality has only a small effect, so the predictions of the two approaches differ only on the small scales on which perturbation theory is no longer expected to be valid anyway. We illustrate our results by comparing the predictions of these approaches when the initial,final mapping is given by the spherical collapse model. Both are in reasonably good agreement with measurements in numerical simulations on scales where the rms fluctuation is of the order of unity or smaller. If the deterministic mapping from initial conditions to final density depends on quantities other than the initial density, then this will also manifest as stochasticity in the mapping from initial density to final. For example, the Zeldovich approximation and the ellipsoidal collapse model both assume that the initial shear field plays an important role in determining the evolution. We compare the predictions of these approximations with simulations, both before and after accounting for the ,cloud-in-cloud' effect. Our analysis accounts approximately for the fact that the shape of a cell at the present time is different from its initial shape; ignoring this makes a noticeable difference on scales where the rms fluctuation in a cell is of the order of unity or larger. On scales where the rms fluctuation is 2 or less, methods based on the spherical model are sufficiently accurate to permit a rather accurate reconstruction of the shape of the initial distribution from the non-linear one. This can be used as the basis for a method for constraining the statistical properties of the initial fluctuation field from the present-day field, under the hypothesis that the evolution was purely gravitational. We illustrate by showing how the highly non-Gaussian non-linear density field in a numerical simulation can be transformed to provide an accurate estimate of the initial Gaussian distribution from which it evolved. [source] Thick gas discs in faint dwarf galaxiesMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY: LETTERS (ELECTRONIC), Issue 1 2010Sambit Roychowdhury ABSTRACT We determine the intrinsic axial ratio distribution of the gas discs of extremely faint MB < ,14.5 dwarf irregular galaxies. We start with the measured (beam corrected) distribution of apparent axial ratios in the H i 21-cm images of dwarf irregular galaxies observed as part of the Faint Irregular Galaxy GMRT Survey (FIGGS). Assuming that the discs can be approximated as oblate spheroids, the intrinsic axial ratio distribution can be obtained from the observed apparent axial ratio distribution. We use a variety of methods to do this, and our final results are based on using Lucy's deconvolution algorithm. This method is constrained to produce physically plausible distributions, and also has the added advantage of allowing for observational errors to be accounted for. While one might a priori expect that gas discs would be thin (because collisions between gas clouds would cause them to quickly settle down to a thin disc), we find that the H i discs of faint dwarf irregulars are quite thick, with mean axial ratio ,q,, 0.6. While this is substantially larger than the typical value of ,0.2 for the stellar discs of large spiral galaxies, it is consistent with the much larger ratio of velocity dispersion to rotational velocity (,/vc) in dwarf galaxy H i discs as compared to that in spiral galaxies. Our findings have implications for studies of the mass distribution and the Tully,Fisher relation for faint dwarf irregular galaxies, where it is often assumed that the gas is in a thin disc. [source] A Patient with neurofibromatosis type 1 and Charcot,Marie,Tooth disease type 1BMUSCLE AND NERVE, Issue 4 2010Eric Lancaster MD Abstract We describe a patient with both neurofibromatosis type 1 and Charcot,Marie,Tooth disease type 1B. Although one might expect an overwhelming tumor burden due to the combination of these two disorders, the two mutations did not appear to interact. Muscle Nerve 41: 555,558, 2010 [source] A Review of Sympathetically Maintained Pain Syndromes in the Cancer Pain Population:PAIN PRACTICE, Issue 4 2001The spectrum of ambiguous entities of RSD, other pain states related to the sympathetic nervous system Abstract: Accepted wisdom contends that sympathetically maintained pain is rare in cancer pain syndromes. But this may be more of an artifact of how we diagnose this condition than a reflection of its true prevalence. One area in which one might suspect this to be true is in postsurgical states. While there are case reports of sympathetically maintained pain occurring after radical neck dissection, orbital and maxillary exenteration, it has not been reported in the more common areas of postsurgical pain. For instance, although one should suspect that the nerve damage that accompanies post-thoracotomy and postmastectomy pain syndromes would bring into being a certain incidence of sympathetically maintained pain, it is difficult to find collaborative reports. This may have more to do with the difficulty inherent in diagnosing sympathetically maintained pain than its actual contribution to these persistent cancer pain syndromes. The reason that it is more commonly reported in limb amputation is less comprehensible since blocking the sympathetic fibers that travel to an extremity is easier than those going to the thoracic cavity. In addition to surgically induced sympathetically maintained pain, medical patients with lymphoma and leukemia may have an element of sympathetically maintained pain when they develop postherpetic neuralgia. While the contribution of sympathetically maintained pain in these cases is not totally ignored, its involvement, as in the surgical patients mentioned above, is worthy of another analysis. This paper will discuss the topics introduced above and suggest diagnostic and therapeutic options available for this condition. [source] Margaret Cavendish on the Relation between God and WorldPHILOSOPHY COMPASS (ELECTRONIC), Issue 3 2009Karen Detlefsen It has often been noted that Margaret Cavendish discusses God in her writings on natural philosophy far more than one might think she ought to given her explicit claim that a study of God belongs to theology which is to be kept strictly separate from studies in natural philosophy. In this article, I examine one way in which God enters substantially into her natural philosophy, namely the role he plays in her particular version of teleology. I conclude that, while Cavendish has some resources with which to partially alleviate this tension, she is nonetheless left with a significant difficulty. [source] Quantum transport in high mobility AlGaN/GaN 2DEGs and nanostructuresPHYSICA STATUS SOLIDI (B) BASIC SOLID STATE PHYSICS, Issue 7 2006S. Schmult Abstract High mobility two-dimensional electron systems in GaN/AlGaN heterostructures have been realized by plasma assisted molecular beam epitaxy on GaN templates. In the density range of 1011 cm,2 to 1012 cm,2, mobility values exceeding 160000 cm2/Vs have been achieved. Scattering mechanisms that presently limit the production of higher mobility samples are discussed. We present results of a systematic study of the weak localization and antilocalization corrections to the classical conductivity at very low magnetic fields. The unambiguous observation of a conductivity maximum at B = 0 suggests that spin,orbit scattering is not negligible in GaN heterostructures as one might expect for a wide-bandgap system. We have recently realized electron transport through GaN nanostructures. We report on the transport properties of the first quantum point contacts (QPCs) in GaN. These devices are used to study one-dimensional transport in the Nitride system. (© 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) [source] The Relationship between Cultural Values and Political Ideology, and the Role of Political KnowledgePOLITICAL PSYCHOLOGY, Issue 1 2009Kristy E. H. Michaud Cultural theory maintains that four worldviews,egalitarianism, individualism, hierarchicalism, and fatalism,can be used to describe people and societies. We examine survey measures of two of those worldviews,egalitarianism and individualism,to understand their relationship with belief systems. Contrary to what one might expect based on the cultural theory literature, we find that people with low levels of political knowledge seem not to have coherent worldviews regarding these issues. In contrast, people with high levels of political knowledge respond to egalitarianism and individualism questions as if they were opposite ends of a single, liberal-conservative continuum, rather than two of four distinct worldviews. We conclude that cultural theory researchers should take account of the influence of political knowledge whenever they investigate worldviews. [source] Physicalism, Nothing Buttery, and SupervenienceRATIO, Issue 3 2001Giovanna Hendel I consider the position (which I call,the triad') according to which physicalism is a reductive claim which is capturable in terms of the idea (the ,nothing buttery' idea) that there is nothing but/nothing over and above the physical, an idea which, in its turn, is meant to be capturable in terms of a determinate form of supervenience. (Physicalism is then meant to be capturable in terms of the form of supervenience in question.) I argue that there is a tension in the triad. The notion of ,nothing buttery' required has features which can't be captured by the supervenience of the triad. Hence, one cannot have both physicalism as nothing-buttery-reductive and physicalism as supervenience of the kind in question. If one wants to hold onto the idea of physicalism as nothing-buttery-reductive, one must be prepared to identify physicalism with a much stronger claim than one might have originally thought, a claim that can't be captured by the supervenience of the triad. [source] Managing platform architectures and manufacturing processes for nonassembled productsTHE JOURNAL OF PRODUCT INNOVATION MANAGEMENT, Issue 4 2002Marc H. Meyer The article presents methods for defining product platforms and measuring business performance in process intensive industries. We first show how process intensive product platforms can be defined using the products and processes of a film manufacturer. We then present an empirical method for understanding the dynamics of process intensive platform innovation, allocating engineering and sales data to specific platform and product development efforts within a product family. We applied this method to a major product line of a materials manufacturer. We gathered ten years of engineering and manufacturing cost data and allocated these to successive platforms and products, and then generated R&D performance measures. These data show the dynamic of heavy capital spending relative to product engineering as one might expect in a process intensive industries. The data also show how derivative products can be leveraged from underlying product platforms and processes for nonassembled products. Embedded within these data are strategies for creating reusable subsystems (comprising components, materials, etc.) and common production processes. Hard data on the degree to which subsystems and processes are shared across different products frequently are typically not maintained by corporations for the duration needed to understand the dynamics of evolving product families. For this reason, we developed and applied a second method to assess the degree of reuse of subsystems and processes. This method asks engineering managers to provide subjective ratings on an ordinal scale regarding the use of technology and processes from one product to the next in a cumulative manner. We find that high levels of reuse generally indicate that a product family was developed with a platform discipline. We applied this measure of platform intensity to two product lines of integrated circuits from another large manufacturer. We used this method to gather approximately ten years of information for each product family. Upon analysis, one product family showed substantial platform discipline, emphasizing a common architecture and processes across specific products within the product line. The other product family was developed with significantly less sharing and reuse of architecture, components, and processes. We then found that the platform centric product family outperformed the latter along a number of performance dimensions over the course of the decade under examination. [source] The First Congress of Ethnozoological NomenclatureTHE JOURNAL OF THE ROYAL ANTHROPOLOGICAL INSTITUTE, Issue 2006Brent Berlin Folk names for fundamental ethnobiological categories have been shown to be governed by regular nomenclatural principles. Two principles at work in ethnozoological nomenclature , onomatopoeia and metaphorical description of some observable property of the organism , are fairly well established as the basis for naming many folk genera. A third but less understood principle is that associated with what has been called sound symbolism. In the languages of traditional peoples, semantically opaque names for animals often exhibit sound-symbolic properties that humans unconsciously recognize as capturing some aspect of the fundamental essence or nature of the creature being named. How is this to be explained, in spite of the changes that have taken place in human verbal communication since the beginnings of what one might call full-blown language? In what ways are these principles related to more general principles of natural classification based on shape and movement? If verbal mimesis represents a critical stage in the evolution of human cognition, what informed speculations can be brought to bear on what might be called the First Congress of Ethnozoological Nomenclature? [source] I,From Property Dualism to Substance DualismARISTOTELIAN SOCIETY SUPPLEMENTARY VOLUME, Issue 1 2010Dean Zimmerman Property dualism is enjoying a slight resurgence in popularity, these days; substance dualism, not so much. But it is not as easy as one might think to be a property dualist and a substance materialist. The reasons for being a property dualist support the idea that some phenomenal properties (or qualia) are as fundamental as the most basic physical properties; but what material objects could be the bearers of the qualia? If even some qualia require an adverbial construal (if they are modifications of the thing that is conscious because of them, not properties of something else to which the subject of consciousness is related), then the property dualist can be driven to speculative forms of materialism none of which, at this point, looks more likely to be true than the more modest versions of emergent dualism defended by contemporary substance dualists. [source] Liminality, Authority, and Value: Reported Speech in Epideictic RhetoricCOMMUNICATION THEORY, Issue 3 2004Kathleen Glenister Roberts Reported speech,the verbal phenomenon wherein a speaker attributes words or ideas to a previous speaker,is a highly potent rhetorical practice in epideictic oratory. Its role is not as straightforward as one might suppose, as exemplified by a case study of Native American powwow rhetoric. In this study, epideictic speakers typify and construct reported speech, using both analytic and formulaic modes to elaborate on ceremonial messages. I suggest that the role of reported speech is twofold: to validate authority and to construct value. The formulae in particular are useful rhetorical devices in reifying "equality" in powwow social structure. Epideictic rhetoric employing reported speech does not merely perform the significance of a given society; it constructs and manipulates interaction in order to minimize differential identities. More importantly, reported speech is a particular triadic discourse that parallels the transformation phase of ritual, known as liminality. This essay asserts that liminality is at the heart of all epideictic rhetoric and is thus crucial for understanding ritual discourse such as reported speech. [source] |