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Search Results: 1 - 10 of 203496 matches for " Jose G Franco "
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The Human African Trypanosomiasis Specimen Biobank: A Necessary Tool to Support Research of New Diagnostics
Jose R. Franco ,Pere P. Simarro,Abdoulaye Diarra,Jose A. Ruiz-Postigo,Jean G. Jannin
PLOS Neglected Tropical Diseases , 2012, DOI: 10.1371/journal.pntd.0001571
Abstract:
Global $\widetilde{SL(2,R)}$ representations of the Schr?dinger equation with time-dependent potentials
Jose Franco
Mathematics , 2011,
Abstract: We study the representation theory of the solution space of the one-dimensional Schr\"{o}dinger equation with time-dependent potentials that posses $\mathfrak{sl}_2$-symmetry. We give explicit local intertwining maps to multiplier representations and show that the study of the solution space for potentials of the form $V(t,x)=g_2(t)x^2+g_1(t)x+g_0(t)$ reduces to the study of the potential free case. We also show that the study of the time-dependent potentials of the form $V(t,x)=\lambda x^{-2}+g_2(t)x^2+g_0(t)$ reduces to the study of the potential $V(t,x)=\lambda x^{-2}$. Therefore, we study the representation theory associated to solutions of the Schr\"{o}dinger equation with this potential. The subspace of solutions for which the action globalizes is constructed via nonstandard induction outside the semisimple category.
The Human African Trypanosomiasis Control and Surveillance Programme of the World Health Organization 2000–2009: The Way Forward
Pere P. Simarro ,Abdoulaye Diarra,Jose A. Ruiz Postigo,José R. Franco,Jean G. Jannin
PLOS Neglected Tropical Diseases , 2011, DOI: 10.1371/journal.pntd.0001007
Abstract:
Restless Legs Syndrome in Liver Transplant Recipients  [PDF]
Rose Franco, Syed Rizvi, Jose Franco, Farhan Rizvi
International Journal of Clinical Medicine (IJCM) , 2013, DOI: 10.4236/ijcm.2013.43026
Abstract:

Background: The prevalence of restless legs syndrome (RLS) is approximately 10% in general population. This condition is more prevalent in certain diseases and we previously reported the prevalence of RLS in chronic liver disease population to be 62%. Objectives: Our aim was to assess the self-reported prevalence of RLS using an RLS symptom specific questionnaire in liver transplant patients. Methods: Subjects were a convenience sample in transplant clinic. They completed a validated survey for core RLS symptoms and if positive went on to completed a telephone survey using the validated International RLS Severity Scale Questionnaire (IRLS) and the Johns Hopkins RLS QoL survey to measure the effect of RLS symptoms on daily activities. Results: 40 patients surveyed, RLS was found in 16 subjects (40%) with moderate severity {17 (SD + 7.2, high score 31)}. Hepatitis C as indication for liver transplant was more likely associated with RLS (p = 0.05). Calcium channel blockers were protective (p = 0.032) while antidopaminergic agent use was statistically significant for RLS symptom (p = 0.005). On multiple linear regression analysis, diabetes (p = 0.024) and use of antidepressants/antihistamines (p = 0.049) were associated with RLS. Quality of Life (QoL) surveys specific to RLS suggested RLS symptoms resulted in significantly diminished QoL, with an average QoL score of 80 (SD + 11.7). Conclusion: There was a very high prevalence of RLS in our liver transplant patients with majority experiencing moderate or severe symptoms. The explanation for this higher prevalence is likely due to combination of comorbidites as well as medications that can trigger RLS.

Efficacy of hyaluronic acid binding assay in selecting motile spermatozoa with normal morphology at high magnification
Claudia G Petersen, Fabiana C Massaro, Ana L Mauri, Joao BA Oliveira, Ricardo LR Baruffi, Jose G Franco
Reproductive Biology and Endocrinology , 2010, DOI: 10.1186/1477-7827-8-149
Abstract: A total of 16592 prepared spermatozoa were selected and classified into two groups: Group I, spermatozoa which presented their head attached to an HA substance (HA-bound sperm), and Group II, those spermatozoa that did not attach to the HA substance (HA-unbound sperm). HA-bound and HA-unbound spermatozoa were evaluated according to the following sperm forms: 1-Normal morphology: normal nucleus (smooth, symmetric and oval configuration, length: 4.75+/-2.8 μm and width: 3.28+/-0.20 μm, no extrusion or invagination and no vacuoles occupied more than 4% of the nuclear area) as well as acrosome, post-acrosomal lamina, neck, tail, besides not presenting a cytoplasmic droplet or cytoplasm around the head; 2-Abnormalities of nuclear form (a-Large/small; b-Wide/narrow; c-Regional disorder); 3-Abnormalities of nuclear chromatin content (a-Vacuoles: occupy >4% to 50% of the nuclear area and b-Large vacuoles: occupy >50% of the nuclear area) using a high magnification (8400x) microscopy system.No significant differences were obtained with respect to sperm morphological forms and the groups HA-bound and HA-unbound. 1-Normal morphology: HA-bound 2.7% and HA-unbound 2.5% (P = 0.56). 2-Abnormalities of nuclear form: a-Large/small: HA-bound 1.6% vs. HA-unbound 1.6% (P = 0.63); b-Wide/narrow: HA-bound 3.1% vs. HA-unbound 2.7% (P = 0.13); c-Regional disorders: HA-bound 4.7% vs. HA-unbound 4.4% (P = 0.34). 3. Abnormalities of nuclear chromatin content: a-Vacuoles >4% to 50%: HA-bound 72.2% vs. HA-unbound 72.5% (P = 0.74); b-Large vacuoles: HA-bound 15.7% vs. HA-unbound 16.3% (P = 0.36).The findings suggest that HA binding assay has limited efficacy in selecting motile spermatozoa with normal morphology at high magnification.Up to now, different methodologies to select sperm have been described in the hope of selecting a viable sperm without - or with a low level of - DNA damage. Jakab et al. [1] was the first group that reported the use of a hyaluronic acid (HA) assay as a method to se
On the n-Dimensional Porous Medium Diffusion Equation and Global Actions of the Symmetry Group
Jose A. Franco
Symmetry, Integrability and Geometry : Methods and Applications , 2013,
Abstract: By restricting to a special class of smooth functions, the local action of the symmetry group is globalized. This special class of functions is constructed using parabolic induction.
Ultracompact HII Regions
Stan Kurtz,Jose Franco
Physics , 2001,
Abstract: We review some recent observational results on the properties of ultracompact HII regions, in particular the presence of extended continuum emission surrounding ultracompact sources and the discovery of a new class of so-called ``Hypercompact'' HII regions. In addition, we discuss recent attempts to probe the density structure within UC HII regions using the technique of spectral index analysis.
Global representations of the Heat and Schr?dinger equation with singular potential
Jose Franco,Mark Sepanski
Mathematics , 2011,
Abstract: We study the $n$-dimensional Schr\"odinger equation with singular potential $V_\lambda(x)=\lambda |x|^{-2}$. Its solution space is studied as a global representation of $\widetilde{SL(2,\R)}\times O(n)$. A special subspace of solutions for which the action globalizes is constructed via nonstandard induction outside the semisimple category. The space of $K$-finite vectors is calculated, obtaining conditions for $\lambda$ so that this space is non-empty. The direct sum of solution spaces, over such admissible values of $\lambda$ is studied as a representation of the $2n+1$-dimensional Heisenberg group.
On the n-Dimensional Porous Medium Diffusion Equation and Global Actions of the Symmetry Group
Jose A. Franco
Mathematics , 2012, DOI: 10.3842/SIGMA.2013.011
Abstract: By restricting to a special class of smooth functions, the local action of the symmetry group is globalized. This special class of functions is constructed using parabolic induction.
Global Actions of the Lie Symmetries of the Nonlinear Filtration Equation
Jose A. Franco
Mathematics , 2014,
Abstract: The classification of the Lie point symmetries of the nonlinear filtration equation gives the generic case and three special cases. By restricting to a special class of functions, we show that the Lie symmetries of the nonlinear filtration equation exponentiate to a global action of a solvable Lie group in the generic case and two of the three special cases. We show that the action of the Lie point symmetries cannot be globalized for the third special case.
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