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Search Results: 1 - 10 of 3726 matches for " Denis Aulagnier "
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How Rapid is Rapid Prototyping? Analysis of ESPADON Programme Results
Brigitte Saget,Mark Thomas,Hans Schurer,Denis Aulagnier
EURASIP Journal on Advances in Signal Processing , 2003, DOI: 10.1155/s1687617203212129
Abstract: New methodologies, engineering processes, and support environments are beginning to emerge for embedded signal processing systems. The main objectives are to enable defence industry to field state-of-the-art products in less time and with lower costs, including retrofits and upgrades, based predominately on commercial off the shelf (COTS) components and the model-year concept. One of the cornerstones of the new methodologies is the concept of rapid prototyping. This is the ability to rapidly and seamlessly move from functional design to the architectural design to the implementation, through automatic code generation tools, onto real-time COTS test beds. In this paper, we try to quantify the term ¢ € rapid ¢ € and provide results, the metrics, from two independent benchmarks, a radar and sonar beamforming application subset. The metrics show that the rapid prototyping process may be sixteen times faster than a conventional process.
植物学报 , 1998,
Preventive practices of general practitioners: information from a panel of GPs in Provence-Alpes-C te d’Azur
Aulagnier M,Videau Y,Combes J-B,Sebbah R
Pratiques et Organisation des Soins , 2007,
Abstract: Aim: Describe and identify the determinants of the attitudesand practices of general practitioners (GPs) concerningpreventive medicine and health education.Methods: A telephone interview was conducted with apanel of 600 private GPs working in Provence-Alpes-C ted’Azur. A score was established to analyse the doctors’ranking for a range of preventive actions.Results: More than 80 % of doctors said that they regularlyoffer mammograms to women, identify possible iatrogeniceffects ofmultiple prescriptions in elderly people,identify weight problems in children, question patientsabout their smoking habits and offer smoking cessationprogrammes. However, less than half of doctors polledsaid that they regularly prescribe emergency contraception,inform patients of the risks of self-medication, suggestthat obese patients use a food record, or use ascreening tool. The feeling of effectiveness varied dependingon the field of medicine: over 80 % of GPs said theywere effective in screening cancers or advising chronicallyill patients, compared with less than 40 % in advising patientsabout alcohol consumption or illegal drugs.Conclusion: GPs with a high prevention score attachedmore importance to public health concerns (p < 0.02),used more information sources (p < 0.002), carried outmore free consultations (p < 0.01) and felt that they weremore effective as regards preventive practices (p < 0.001)than doctors with a low score.A link has been found between the personal behaviour ofGPs towards preventive medicine and the practices adoptedwith their patients.Prat Organ Soins 2007;38(4):259-268
Extending Multi-Period Pluto and Tasche PD Calibration Model Using Mode LRDF Approach  [PDF]
Denis Surzhko
Journal of Mathematical Finance (JMF) , 2014, DOI: 10.4236/jmf.2014.44026
The intention of this paper is to propose extension to the Pluto and Tasche PD calibration model for low default portfolios that could produce more stable LRDF estimates and eliminate the necessity of quartile choice, while preserving adequate level of conservatism. Multi-period Pluto and Tasche model allows us to fulfill Basel committee requirements regarding long-term LRDF calibration even for portfolios with no observable defaults. The main drawback of that approach is a very strict requirement for the sample: only borrowers that are observable to the bank within each point on long-term horizon could be used as observations. Information regarding rating migrations, borrowers that arrived in the portfolio after sample cutoff date and borrowers that left the portfolio before the end of long-term calibration horizon should be excluded from the sample. Proposed Mode approach pairs Pluto and Tasche model with mode LRDF estimator (proposed by Canadian OSFI), as the results, it eliminates drawbacks of the original Pluto and Tasche model.
Non-Invasive Measurement of Hemoglobin: Assessment of Two Different Point-of-Care Technologies
Etienne Gayat, Jér?me Aulagnier, Emmanuel Matthieu, Mireille Boisson, Marc Fischler
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0030065
Abstract: Background Measurement of blood hemoglobin (Hb) concentration is a routine procedure. Using a non-invasive point-of-care device reduces pain and discomfort for the patient and allows time saving in patient care. The aims of the present study were to assess the concordance of Hb levels obtained non-invasively with the Pronto-7 monitor (version 2.1.9, Masimo Corporation, Irvine, USA) or with the NBM-200MP monitor (Orsense, Nes Ziona, Israel) and the values obtained from the usual colorimetric method using blood samples and to determine the source of discordance. Methods and Findings We conducted two consecutive prospective open trials enrolling patients presenting in the emergency department of a university hospital. The first was designed to assess Pronto-7? and the second NBM-200MP?. In each study, the main outcome measure was the agreement between both methods. Independent factors associated with the bias were determined using multiple linear regression. Three hundred patients were prospectively enrolled in each study. For Pronto-7?, the absolute mean difference was 0.56 g.L?1 (95% confidence interval [CI] 0.41 to 0.69) with an upper agreement limit at 2.94 g.L?1 (95% CI [2.70;3.19]), a lower agreement limit at -1.84 g.L?1 (95% CI [-2.08;-1.58]) and an intra-class correlation coefficient at 0.80 (95% CI [0.74;0.84]). The corresponding values for the NBM-200MP? were 0.21 [0.02;0.39], 3.42 [3.10;3.74], -3.01 [-3.32;-2.69] and 0.69 [0.62;0.75]. Multivariate analysis showed that age and laboratory values of hemoglobin were independently associated with the bias when using Pronto-7?, while perfusion index and laboratory value of hemoglobin were independently associated with the bias when using NBM-200MP?. Conclusion Despite a relatively limited bias in both cases, the large limits of agreement found in both cases render the clinical usefulness of such devices debatable. For both devices, the bias is independently and inversely associated with the true value of hemoglobin. Trial Registration ClinicalTrials.gov NCT01321580 NCT01321593
The Congo clawless otter (Aonyx congicus) (Mustelidae: Lutrinae): a review of its systematics, distribution and conservation status
Hélène Jacques,Géraldine Veron,Franck Alary,Stéphane Aulagnier
African Zoology , 2011,
Abstract: Among the four African otter species, the Congo clawless otter (Aonyx congicus) is the least known due to the remoteness of its Central African equatorial rainforest range. The taxonomic status and the criteria to differentiate A. congicus from the quite similar Cape clawless otter (Aonyx capensis) are reviewed. The current distribution and status of A. congicus (Gabon, Congo, Democratic Republic of Congo, southern Cameroon and Central African Republic, northern Angola, and probably western Uganda, Rwanda and Burundi) is updated using an information network, surveys in Gabon, Cameroon and the Democratic Republic of Congo, and localities of museum specimens. The species is mainly threatened by deforestation, hunting for bush meat and use for witchcraft materials.
Generalization of the Second Order Vector Potential Formulation for Arbitrary Non-Orthogonal Curvilinear Coordinates Systems from the Covariant Form of Maxwell's Equations  [PDF]
Denis Prémel
Journal of Electromagnetic Analysis and Applications (JEMAA) , 2012, DOI: 10.4236/jemaa.2012.410055
Abstract: A great number of semi-analytical models, notably the representation of electromagnetic fields by integral equations are based on the second order vector potential (SOVP) formalism which introduces two scalar potentials in order to obtain analytical expressions of the electromagnetic fields from the two potentials. However, the scalar decomposition is often known for canonical coordinate systems. This paper aims in introducing a specific SOVP formulation dedicated to arbitrary non-orthogonal curvilinear coordinates systems. The electromagnetic field representation which is derived in this paper constitutes the key stone for the development of semi-analytical models for solving some eddy currents moelling problems and electromagnetic radiation problems considering at least two homogeneous media separated by a rough interface. This SOVP formulation is derived from the tensor formalism and Maxwell’s equations written in a non-orthogonal coordinates system adapted to a surface characterized by a 2D arbitrary aperiodic profile.
A paradigm for a skin graft substitute  [PDF]
Denis E. Solomon
Open Journal of Regenerative Medicine (OJRM) , 2013, DOI: 10.4236/ojrm.2013.22005

Skin grafts have remained relatively unchanged since their introduction as a medical treatment for burns/wounds. This paper seeks to open an academic discussion as to whether their use-by date has now been passed. A skin graft substitute is described in a paradigm using fine leaf gelatine sheets which inherently possess several distinct advantages including, discarding the harvest of autologous tissue from patient donor sites. A clinical study will be needed to determine its suitability taken together with the understanding that experimental animal studies may not provide unequivocal answers to its in situ modus operandi.

Interpretivistic Conception of Quantification: Tool for Enhancing Quality of Life?  [PDF]
Denis Larrivee, Adriana Gini
Open Journal of Philosophy (OJPP) , 2013, DOI: 10.4236/ojpp.2013.34A003
Abstract: Quality of life is fast becoming the standard measure of outcome in clinical trials, residential satisfaction, and educational achievement, to name several social settings, with the consequent proliferation of assessment instruments. Yet its interpretation and definition provoke widespread disagreement, thereby rendering the significance of quantification uncertain. Moreover, quality, or qualia, is philosophically distinct from quantity, or quantitas, and so it is unclear how quantification can serve to modulate quality. Is it thus possible for quantification to enhance quality of life? We propose here that an interpretivistic conception of quantification may offer a more valid approach by which to address quality of life in sociological research.
Human dermal reticular fibroblasts at confluence display a signature micro pattern in vitro  [PDF]
Denis E. Solomon
Open Journal of Regenerative Medicine (OJRM) , 2013, DOI: 10.4236/ojrm.2013.24014

This paper sets out to demonstrate that scraping of the flat dorsal surface of human dermis with a scalpel blade and cell plating without centrifugation can lead to the recognition and identification of the individual packing micro pattern of dermal reticular fibroblasts at confluence. The characteristic alignment of papillary and reticular fibroblasts at right angles to each other led to the positive identification of reticular fibroblasts. A non-enzymatic means of sub-culturing (passaging), which yields fully functional, healthy cells with normal, phenotypic morphology is also described. Implications for published subcutaneous wound healing studies are discussed as well as the confluent reticular fibroblast configuration, interpreted as ananatomic site identity code,which may be the address of a specific fibroblast gene pattern expression.

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