72 research outputs found

    Combinatorial formulas for Kazhdan-Lusztig polynomials with respect to W-graph ideals

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    In \cite{y1} Yin generalized the definition of WW-graph ideal EJE_J in weighted Coxeter groups and introduced the weighted Kazhdan-Lusztig polynomials {Px,yx,yEJ} \left \{ P_{x,y} \mid x,y\in E_J\right \}, where JJ is a subset of simple generators SS. In this paper, we study the combinatorial formulas for those polynomials, which extend the results of Deodhar \cite{v3} and Tagawa \cite{h1}.Comment: 16 page

    Power minimization based robust OFDM radar waveform design for radar and communication systems in coexistence.

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    This paper considers the problem of power minimization based robust orthogonal frequency division multiplexing (OFDM) radar waveform design, in which the radar coexists with a communication system in the same frequency band. Recognizing that the precise characteristics of target spectra are impossible to capture in practice, it is assumed that the target spectra lie in uncertainty sets bounded by known upper and lower bounds. Based on this uncertainty model, three different power minimization based robust radar waveform design criteria are proposed to minimize the worst-case radar transmitted power by optimizing the OFDM radar waveform, which are constrained by a specified mutual information (MI) requirement for target characterization and a minimum capacity threshold for communication system. These criteria differ in the way the communication signals scattered off the target are considered: (i) as useful energy, (ii) as interference or (iii) ignored altogether at the radar receiver. Numerical simulations demonstrate that the radar transmitted power can be efficiently reduced by exploiting the communication signals scattered off the target at the radar receiver. It is also shown that the robust waveforms bound the worst-case power-saving performance of radar system for any target spectra in the uncertainty sets

    PCR for <i>Schistosoma</i> spp. <i>and S. mansoni</i> in aliquots of 25 µL of artificial urine samples and mice urine samples as DNA source using the Urine DNA® Isolation Kit as the DNA extraction method.

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    <p>Agarose gel electrophoresis of <i>Schistosoma</i> genus-specific PCR products of 877 bp and <i>S. mansoni</i> species-specific products of 350 bp in fresh healthy artificial urine samples (A) and in urine from mice (B) using aliquots of 25 µL for DNA extraction. 1.25, 2.5, 5 and 10: ng of DNA added to aliquots; 1–4: numbers of mice; C+, positive control (<i>S. mansoni</i> DNA, 1 ng/µL); C−, negative control (ultrapure water); M, molecular weight marker XIII (Roche).</p

    PCR for <i>Schistosoma</i> spp. in patientś urine samples infected with <i>S. haematobium</i> as DNA source using the Urine DNA® Isolation Kit as the DNA extraction method.

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    <p>Agarose gel electrophoresis of <i>Schistosoma</i> genus-specific PCR CF1-CR2 (A) and CF2-CR2 (B) products obtained in four human urine samples of patients infected with <i>S. haematobium</i> (numbers 123, 693, 850, 886) using a volume of 1.75 mL of urine for DNA extraction using the Urine DNA<i>®</i> Isolation Kit; C+, positive control (<i>S. mansoni</i> DNA, 1 ng/µL); C−, negative control (ultrapure water); M, molecular weight marker XIII (Roche).</p

    PCR for <i>Schistosoma</i> spp. <i>and S. mansoni</i> in artificial urine samples as DNA source using commercial kits as DNA extraction methods.

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    <p>Agarose gel electrophoresis of <i>Schistosoma</i> genus-specific PCR products of 877 bp (A) and <i>S. mansoni</i> species-specific products of 350 bp (B), respectively, obtained in fresh healthy artificial urine samples using three commercially available DNA extraction kits: FitAmp™ Urine DNA Isolation Kit (FitAmp), NucleoSpin® DNA Trace Kit (Trace), and Urine DNA® Isolation Kit (Urine). 1.25, 2.5, 5, 10, 20, 40: ng of DNA added to aliquots of 5 mL, 3 mL and 2 mL of urine. Volumes recommended by the manufacturers to increase DNA recovery from urine samples are indicated in brackets; C+, positive control (<i>S. mansoni</i> DNA, 1 ng/µL); C−, negative control (ultrapure water); M, molecular weight marker XIII (Roche).</p

    Paradiplomacy of Regions: Cases of Burgundy and Central Bohemia Region

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    Diploma thesis "Paradiplomacy of regions, cases of Burgundy and Central Bohemia Region" deals with "foreign policy of non-central actors" and the possibilities for regions how to enforce their interest on international level. Key research questions are: What makes regions act abroad, what are the reasons for activities abroad? What is the role of Europeanization and internationalization in the process of development of local actors involved in regional foreign activities? Who is engaged in formulation of regional interests and who is responsible for implementation of regional international strategy? Is there a broader consensus among regional actors on the way how to develop foreign activities? Is the main motor of activity local administration or private sphere? What are the possibilities for action on international level with regard to regional competencies? First, there are examined main features of foreign strategies of regions in question. Then we analyze tools developed for implementation of those strategies. How are the strategies implemented, are they successful? Finally we define main future challenges for action of regions abroad. Powered by TCPDF (www.tcpdf.org

    Application of LAMP in snails samples: <i>Biompha</i>-LAMP analysis.

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    <p>(A) and (B) Analysis of snails before cercarial shedding at different days post-exposure to 9 miracidia each using a commercial kit or the heat NaOH extraction method for DNA obtaining, respectively. Lanes M, 50 bp DNA ladder (Molecular weight marker XIII, Roche); lane Sm, <i>Schistosoma mansoni</i> DNA (1 ng); lanes Bni, <i>Biomphalaria glabrata</i> DNA non infected; Lanes 1–7, 14, 21 and 28, days post-exposure to miracidia; lanes Bcs, <i>Biomphalaria glabrata</i> DNA with cercarial shedding; lanes N: negative control (no DNA template). (C) and (D) Analysis of snails exposed to one or four miracidia at 24h post-exposure using a commercial kit or the heat NaOH extraction method, respectively. Lanes M, 50 bp DNA ladder (Molecular weight marker XIII, Roche); lanes Sm, <i>Schistosoma mansoni</i> DNA (1 ng); lanes Mir; DNA obtained from one miracidium; lanes Bni, <i>Biomphalaria glabrata</i> DNA non infected; lanes 1Mir and 4Mir, DNA obtained from snails exposed to one or 4 miracidia, respectively; lanes Bcs, <i>Biomphalaria glabrata</i> DNA with cercarial shedding; lanes N: negative control (no DNA template). (E) and (F) Analysis of pooled samples containing snails previously exposed to 1 miracidium or with confirmed cercarial shedding, respectively, using the heat NaOH extraction method. Lanes M, 50 bp DNA ladder (Molecular weight marker XIII, Roche); lanes Sm, <i>Schistosoma mansoni</i> DNA (1 ng); lanes Bni, <i>Biomphalaria glabrata</i> DNA non infected; lanes 5, 10 and 20, DNA obtained from pooled samples containing one snail exposed to 1 miracidium or with confirmed cercarial shedding together with 5, 10 or 20 uninfected snails; lanes Bcs, <i>Biomphalaria glabrata</i> DNA with cercarial shedding; lanes N: negative control (no DNA template).</p

    Representative canonical pathways study using the ingenuity pathway analysis (IPA) tool.

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    <p>(A) A comparison of the numbers of pathways that are statistically significant is shown for each point (t7 vs t21 and t0 vs t21). (B) The numbers of genes that are differentially expressed in each of the pathways are depicted for t7 vs t21 and (C) t0 vs t21. Down-regulation is shown in green and up-regulation in red.</p
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