Miracle-dz/UniFAR-FTUs huggingface dataset:
Flagellar transcriptional activators FlbB and FlaI: gene sequences and 5' consensus sequences of operons under FlbB and FlaI control

The regulation of the expression of the operons in the flagella-chemotaxis regulon in Escherichia coli has been shown to be a highly ordered cascade which closely parallels the assembly of the flagellar structure and the chemotaxis machinery (T. Iino, Annu. Rev. Genet. 11:161-182, 1977; Y. Komeda, J. Bacteriol. 168: 1315-1318). The master operon, flbB, has been sequenced, and one of its gene products (FlaI) has been identified. On the basis of the deduced amino acid sequence, the FlbB protein has similarity to an alternate sigma factor which is responsible for expression of flagella in Bacillus subtilis. In addition, we have sequenced the 5' regions of a number of flagellar operons and compared these sequences with the 5' region of flagellar operons directly and indirectly under FlbB and FlaI control. We found both a consensus sequence which has been shown to be in all other flagellar operons (J. D. Helmann and M. J. Chamberlin, Proc. Natl. Acad. Sci. USA 84:6422-6424) and a derivative consensus sequence, which is found only in the 5' region of operons directly under FlbB and FlaI control.
Etude du couplage acousto-magnétique : détection des gradients de conductivité électrique en vue de la caractérisation tissulaire

Le memoire decrit le couplage d'un champ magnetique et d'un faisceau ultrasonore dans un milieu electrolytique ou biologique. Il en resulte une interaction acoustomagnetique due a la force de Lorentz qui produit une densite de courant volumique fonction des proprietes acoustiques du milieu et de sa conductivite electrique. La methode presentee consiste a collecter le courant total genere dans un echantillon. La partie theorique du memoire presente la phenomenologie, les equations fondamentales associees et les methodes de traitement du signal en decoulant. La partie experimentale presente l'instrumentation developpee pour cette etude et les resultats obtenus sur des gels d'agar et des echantillons biologiques. Les grandeurs des champs utilises dans cette etude sont compatibles avec le vivant. Ce couplage permet d'associer les avantages des methodes bioelectriques et acoustiques existantes pour une meilleure caracterisation des tissus sains et pathologiques.
Moderators of blood pressure development from childhood to adulthood: a 10-year longitudinal study.

OBJECTIVE To examine the effect of ethnicity on the development of blood pressure (BP) from childhood into early adulthood within the context of height, sex, adiposity, and socioeconomic status (SES). STUDY DESIGN Individual growth curves of systolic BP (SBP) and diastolic BP (DBP) were created for 745 black and white male and female youths, with annual assessments over a 10-year period (age range, 4.9-27.5 years). RESULTS Blacks had higher SBP levels (P <0.01) than whites, respectively. Moreover, black female subjects showed a greater SBP increase over time (P <.05) than white female subjects. Black male and female subjects also showed higher DBP levels (P <.001) than white male and female subjects, respectively, but the rate of change of DBP did not differ. Ethnic differences in BP trajectories persisted after adjusting for SES and/or changes in height and/or adiposity in both male and female subjects. CONCLUSIONS Ethnic differences in SBP become manifest in childhood in girls, in early adolescence in boys, and tend to increase with age. Ethnic differences in DBP become manifest in childhood in both boys and girls and remain stable over time. The ethnic differences cannot be entirely explained by individual differences in SES, growth, or adiposity. Identification of mechanisms responsible for increase of BP in childhood will improve prevention of hypertension in adulthood.
Examining the key dimensions of customer experience quality in the hotel industry

ABSTRACT Prior research examining the concept of customer experience quality (CEQ) is inconclusive and incoherent regarding the number and the nature of experiences in the context of the hotel industry. Some studies conceptualise CEQ based on the sensations created by and the knowledge acquired from specific encounters, while others conceptualise it based on interaction with physical and social environments. Therefore, the key objective of this paper is to theoretically identify and empirically test the key dimensions of CEQ in the hotel industry through combining the major perspectives of CEQ. An online survey was used to collect the required data from 420 customers. A structural equation model (AMOS 18) was used to analyse the data. Three findings emerge from the current study. First: this study provides sound empirical support for CEQ as a high-order construct that is comprised of seven first-order factors. Second, the current research suggests that the measurement instrument for CEQ, which consists of 33 items, is a valid and reliable using the following factors: emotional-related experiences; staff-customer interaction, customer-customer interaction; learning; lifestyle; guest security; and atmospherics. Third, the proposed measurement instrument of CEQ strongly predicts customer satisfaction, perceived value and brand loyalty. The key contribution of this study stems from developing and validating a 33-item scale that synthesises and integrates the major perspectives of CEQ.
UWB based pre-localization algorithm for aiding target location in a multipath environment

When a UWB signal is transmitted, we expect there to be a number of reflected multipath signals because of reflections due to objects in the environment. As a result of these reflected signals, it is impossible to define the ellipses that would be used for target detection as described by existing elliptical based localization schemes when we consider a highly multipath rich environment such as a typical UWB propagation channel unless we are able to manipulate the multipath propagation scenario and reduce it to a two-path propagation one. To tackle this problem, a pre-localization algorithm is proposed. In our proposed algorithm, we use the reflection properties of UWB signals to extract information from the reflected signals in the multipath environment and ultimately reduce the multipath propagation scenario into a two-path one based on these extracted information. Our process of extraction involves the sampling of the received signals at three receivers during regular intervals, correlating the sampled signals with a predefined database of template reflected signals; and finally using a decision engine to determine the signals that would be used for generating the ellipse for target localization. Consequently, we were able to differentiate multipath signals from one another using the relationship between individual multipath signals and their respective angle of incidences; and ultimately select a set of reflected signals that would be suitable for the localization process described by existing elliptical based localization schemes.
Separate Distribution of Deutocerebral Projection Neurons in the Mushroom Bodies of the Cricket Brain

Deutocerebral projection neurones in the brain of the cricket ( Gryllus bimaculatus ) have been investigated by experimental dextran staining, viewed by light and electron microscopy. These neurones of two separate somata clusters innervate two separate primary glomerular neuropils of the deutocerebral segment, either the antennal lobe receiving only antennal nerve sensory input, or the glomerular lobe, receiving input from sensory neurones of lower segmental origin, including chemosensory fibres from mouth parts. Projection neurones of the antennal lobe only invade the anterior calyx of the mushroom body neuropil via the inner antenno glomerular tract, while glomerular relay neurones of the glomerular lobe innervate only the posterior calyx via the tritocerebral tract. All types of projection neurones give rise to presynaptic boutons, forming the central core of microglomeruli with patterned distribution. These projection neurons are cholinergic. The results are discussed in view of maintained segregated modal information, first processed in the separated primary deutocerebral neuropiles and further on in the second order input neuropils of the mushroom bodies. The large posterior calyces are proposed as a compartment for gustatory information.
Gender Recognition Based on Edge Histogram

In this paper, we present a novel method to gender classification using a new simple feature extraction which extracts geometric and appearance features at the same time. This feature extraction is performed by computing the derivative in all pixels of face images and then constructing a histogram based on edges magnitudes and directions. The experiments clearly show that the presented method is quite competitive with 95.67% accuracy on FERET database. In addition, the efficiency of the proposed method makes it a good choice for real-time systems which combine face detection and gender classification.
Monitoring as-a-service to drive more efficient future system design

In the services world, the expected benefits are the fastest time to market, lower costs, greater consistency in the application, and increased agility. The reuse and sharing properties of software components are useful to address these challenges. However, to achieve this, it is necessary to be able to observe each service and to control the service composition. This article proposes to rethink the company's organisational process of application development and use the power of monitoring to help the application design. The proposed Monitoring as-a-service (MaaS), whose properties are detailed, will be used for the computation of the offered Quality of Service (QoS), for the services calibration during the service creation phase and to inform the QoS Controller during the operational phase. For effective design, the architect will place MaaS at crucial points of its architecture according to its decision-making process. Finally, we present experimental results and a conclusion ends the paper.
A frequency-domain linear least-squares approach for complex sine-wave amplitude and phase estimation

In this paper new Frequency-domain Linear Least Squares (FLLS) estimators for the amplitude and the phase of a complex noisy sine-wave are proposed. The related estimation variances coincide with the minimum variances returned by the classical FLLS amplitude and phase estimators which occurs when sine-wave is coherently sampled. Simple analytical expressions for both the classical and proposed FLLS amplitude and phase estimators are derived when three Discrete Time Fourier Transform (DTFT) samples are considered and the Maximum Sidelobe Decay (MSD) windows are adopted. These expressions allow us to avoid the matrix implementation of the least-squares approach, thus improving computational efficiency. The obtained results are verified through computer simulations.
Emerging communication technologies and security challenges in a smart grid wireless ecosystem

The scope of this paper is to present contemporary communication aspects regarding the employment in future of smart grid as a wireless ecosystem. A wide rigorous survey on wireless access and network technologies ideal for smart grid networks is conducted, and we present applicable technologies like Internet of Things IoT and Machine-to-Machine M2M communications. Moreover, we present key topics of security, privacy and cryptography. Indeed, multimedia services will be provided in a wireless communications environment of a smart grid, while Quality of Service QoS as well as security audit shall always be crucial dimensions during a communication network modelling and planning. More specifically, the objective of our work is concentrated on the study of smart grid communications topics and security evaluation using a simulation environment and to demonstrate some interesting results.
The Role of the COP/DET/FUS Genes in Light Control of Arabidopsis Seedling Development

Summary of negative regulatory loci of photomorphogenesis in Arabidopsis Dark-Grown Morphology COP/DET Gene Other Names Mutant Seedling Lethality Null Mutant Reis COPl FUS1, EM8168 COP8 FUS8, EMB134 COP9 FUS7, EMB143 COPlO FUS9, EM8 144 COPl I FUS6, EM873 COP12 FUS12 COP13 FUSll COP14 FUS4 COP15 FUS5 DETl FUS2 COPZ AMPl, PTl CO P3 HLSl COP4 DET2 COP7 DET3 PRCl DIM CPD Pleiotropic Pleiotropic Pleiotropic Pleiotropic Pleiotropic Pleiotropic Pleiotropic Pleiotropic Pleiotropic Pleiotropic Open cotyledons Open cotyledons Open cotyledons Short hypocotyl Short hypocotyl Short hypocotyl Short hypocotyl Short hvDocotvl Yes Y es Yes Yes Yes Y es Y es Yes Yes , Yes No No Unknown No Unknown Unknown Unknown No Deng et al., 1991 Wei et a\. , 1994 Wei and Deng, 1992 Wei et al., 1994 Wei et al., 1994; Castle and Meinke, 1994 Misera et al., 1994; Kwok 1996 Misera et al., 1994; Kwok et al., 1996 Misera et al., 1994; Kwok et al., 1996 Misera et al., 1994; Kwok et al., 7 996 Chory et al., 1989
Afferent and efferent phases of allergic contact dermatitis (ACD) can be induced after a single skin contact with haptens: evidence using a mouse model of primary ACD.

Allergic contact dermatitis is a T cell-mediated delayed type hypersensitivity reaction that occurs upon hapten challenge in sensitized individuals. The inflammatory response in classical allergic contact dermatitis requires both a sensitization phase and an elicitation phase responsible for the recruitment and activation of specific T cells at the site of hapten skin challenge. Conversely, previously unsensitized patients may develop a "primary allergic contact dermatitis" after the first skin contact with potent contact sensitizers leading to a skin inflammation with all the features of classical allergic contact dermatitis. In this study we used an experimental murine model, referred to as contact hypersensitivity, to study the pathophysiology of primary allergic contact dermatitis and its relationship to classical allergic contact dermatitis. We show that one epicutaneous application of a nonirritant dose of hapten (2,4-dini-trofluorobenzene, fluorescein isothiocyanate) was sufficient to induce an optimal allergic contact dermatitis reaction at the site of primary contact with the hapten without subsequent challenge. As in classical allergic contact dermatitis, the skin inflammation in primary allergic contact dermatitis was mediated by interferon-gamma producing, CD8+ effector T cells that were induced in the draining lymph nodes at day 5 postsensitization and downregulated by CD4+ T cells. Reverse transcription-polymerase chain reaction analysis revealed that the primary allergic contact dermatitis reaction was mediated by a recruitment of CD8+ T cells at the sensitization skin site at day 6 postsensitization. Analysis of the fate of the hapten fluorescein isothiocyanate applied once on the skin revealed its persistence in the epidermis for up to 14 d after skin painting. These results suggest that the development of primary allergic contact dermatitis (i.e., without secondary challenge) is associated with persistence of the hapten in the skin, which allows the recruitment and activation of CD8+ T cells at the site of the single hapten application.
Non-idealities in analog circuits design: What does it really mean?

The aim of this contribution is to show why sources of non-idealities are actually a concept of reason in order to define tradeoffs in the design of analog circuits. A tradeoff is commonly picked up from an analytical design-model, which tries to explain a given phenomenon under study by using physical theories underlying the role of non-idealities in the design of accurate analog-circuits. Since accuracy is commonly used as a measure rule for minimizing the unwanted effect of non-idealities on the circuit performance, this paper underlines that non-idealities reported in open literature shown that any analog circuit is designed in a custom way, in which just some non-idealities are minimized in order to fulfill specific design specifications, i.e. sources of non-idealities do not necessarily include all existing ones but just those affecting -according the experience of the designer - the circuit's performance. Thus, what non-idealities have to be minimized in an analog circuit design is a question usually answered by reachable tradeoffs. This paper addresses difficulties (i.e. open problems) about silicon-based analog circuit design. So, analog design is not art, but an engineering activity supported in physical theories. Analog design demands not only accurate design models, and suitable simulation tools, but also a well-defined design methodology, elsewhere trial-and-error practices force to the analog-circuit designer to include substantial design margin and risk yield loss, and also provide little design knowledge.
Algorithmes exacts et exponentiels pour des problèmes de graphes. (Exact exponential algorithms for solving graph problems summary)

De nombreux problemes algorithmiques sont « difficiles », dans le sens ou on ne sait pas les resoudre en temps polynomial par rapport a la taille de l’entree, soit parce qu’ils sont NP-difficiles, soit, pour certains problemes d’enumeration, a cause du nombre exponentiel d'objets a enumerer. Depuis une quinzaine d’annees on trouve un interet grandissant dans la litterature pour la conception d'algorithmes exacts sophistiques afin de les resoudre le plus efficacement possible. Dans le cadre de cette these, nous nous interessons a la conception d'algorithmes exacts exponentiels autour de trois problemes difficiles. Nous etudions tout d'abord le probleme d'optimisation Ensemble Connexe Tropical pour lequel nous decrivons un algorithme afin de le resoudre en general, puis un algorithme de branchement plus rapide pour le resoudre sur les arbres, ce probleme restant difficile meme dans ce cas. Nous nous interessons ensuite au probleme d'enumeration Ensembles Dominants Minimaux, pour lequel nous donnons des algorithmes resolvant ce probleme dans les graphes splits, cobipartis, ainsi que dans les graphes d'intervalles. Nous deduisons des bornes superieures sur le nombre d'ensembles dominants minimaux admis par de tels graphes. La derniere etude de cette these concerne le probleme d'optimisation Domination Romaine Faible dans lequel, etant donne un graphe nous cherchons a construire une fonction de ponderation selon certaines proprietes. Le probleme est NP-difficile en general, mais nous donnons un algorithme glouton lineaire calculant une telle fonction pour les graphes d'intervalles.
Academia Versus Practice? Toward a Debate on the Value of Academic Education in the German-Speaking Hospitality Industry

ABSTRACT Consequences of the growing maturity of the hospitality industry are increasing levels of competition, complexity, and change in many hospitality markets. This leads to new managerial challenges for hospitality companies, and the future managerial skills needed by managers in the industry reflect these changes. Hence, the question is being raised whether there is an increasing necessity for more advanced management skills and whether the traditional educational profiles and programs in hospitality education in Germany, Austria, and Switzerland have to be realigned. In consequence, there might be a need for a paradigm shift concerning the perception of the overall value of an academic education in hospitality in German-speaking countries. As a result, this article aims to depict the necessity of a joint effort between academia and industry to support the value and the demand for an advanced academic education in the German-speaking hospitality industry.
The effects of shift work on body weight change - a systematic review of longitudinal studies.

OBJECTIVE This systematic review aims to summarize the available evidence to elucidate the effects of shift work, which includes night work, on body weight change. METHODS A systematic search strategy using longitudinal studies was performed. Articles were included based on strict inclusion criteria; methodological quality was assessed by a standardized quality checklist. The results were summarized using a levels of evidence synthesis. RESULTS The search strategy resulted in eight articles that met the inclusion criteria. Five of them were considered to be high- and three of them low-quality studies. Seven studies presented crude results for an association between shift work exposure and change in body weight: five high- and two low-quality studies. There was strong evidence for a crude relationship between shift work and body weight increase. Five studies presented weight-related outcomes adjusted for potentially relevant confounders (age, gender, bodyweight at baseline, and physical activity). Two studies found a significant difference between groups in the same direction. Consequently, the evidence for a confounders-adjusted relationship between shift work exposure and body weight was considered to be insufficient. CONCLUSIONS Strong evidence for a crude association between shift work exposure and body weight increase was found. In order to further clarify the underlying mechanisms, more and better high quality studies about this subject are necessary.
Concurrent and distributed data structures for multikey sorting on computer clusters

Summary form only given. This paper focuses on theoretical and practical aspects of the high-performance multikey sorting problem on computer clusters, with particular emphasis on the Alpha Maci Cluster, a world-class high-performance supercomputer that has many processors interconnected by a wide range of high-speed network connections. Even though the focus of this paper is on multikey sorting problems, developing new data structures and techniques for designing high-performance algorithms on computer clusters are of both theoretical and practical interest. We investigate strategies for developing, implementing, and refining high-performance algorithms for sorting multi-dimensional data on computer clusters. In addition, maximizing the performance of such distributed memory machines requires efficient data structures coupled with good load balancing.
Vasospastic angina associated with menses.

In 1959, Prinzmetal described variant angina. 1 Since then, it has become a well-recognized clinical condition believed to be due to spasm of the coronary arteries and usually referred to as vasospastic angina . Herein I describe a woman with vasospastic angina whose attacks occur only in temporal relationship to her menses. Report of a Case. A 38-year-old white woman had been experiencing chest pains for about 5 years. Despite a rather extensive evaluation, no definitive diagnosis was made. Because of the severity of the pain, she summoned an ambulance to her home on several occasions. Her only risk factor for coronary artery disease was a history of cigarette smoking. On March 13, 1989, she experienced severe chest pain, and her husband transported her to the hospital in his car. En route, she lost consciousness and had a seizure. On admission to the emergency department several minutes later, she was in ventricular