895 research outputs found

    SINGLE RADIAL IMMUNE HEMOLYSIS TEST FOR DETECTION OF ESCHERICHIA-COLI THERMOLABILE ENTERO-TOXIN

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    IMPLEMENTASI MATERI EKOLOGI HEWAN PADA PRAKTIKUM PENGAMATAN POPULASI BURUNG CENDERAWASIH

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    Kawasan hutan Isyo Hills Kampung Rhepang Muaif merupakan kawasan konservasi in-situ yang didalamnya tersimpan berbagai taksa hewan diantaranya burung Cenderawasih. Kawasan ini menjadi unik dan memiliki manfaat yang sangat baik bagi habitat di dalamnya karena telah dikelola secara baik dan profesional. Keunikan spesies dan keberadaan kawasan yang baik bagi habitatnya menjadi pilihan sebagai tempat pelaksanaan praktikum dan merupakan bagian dari kegiatan Pengabdian Kepada Masyarakat. Kegiatan praktikum atau PKM ini diikuti oleh 35 orang mahasiswa dan 1 orang dosen Program Studi Pendidikan Biologi, Jurusan Pendidikan Matematika dan Ilmu Pengetahuan Alam, Universitas Cenderawasih. Kegiatan ini memiliki tujuan yang sangat baik yaitu sebagai implementasi materi Ekologi Hewan yang telah diperoleh selama perkuliahan. Dalam pelaksanaan praktikum ini, tentunya ada penerapan metode jelajah dan titik point yang digunakan untuk mengamati keberadaan satwa burung Cenderawasih. Data yang dapat dikumpulkan dari hasil pengamatan menemukan 1 individu Cenderawasih Dua Belas Antena (Seleucidis melanoleuca), 1 individu jantan dan 1 individu betina Cenderawasih Kuning (Paradisaea minor) dan 2 individu Cenderawasih Paruh Sabit Paruh Putih (Drepanornis bruijnii). Kegiatan praktikum ini menunjukkan bahwa kawasan hutan Isyo Hills kampung Rhepang Muaif sebagai kawasan konservasi in-situ sangat baik untuk keberlangsungan 3 spesies burung Cenderawasih yang hidup di dalamnya

    Association of Mycobacterium avium subsp. paratuberculosis with Multiple Sclerosis in Sardinian Patients

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    Mycobacterium avium subsp. paratuberculosis (MAP) infection is highly spread in the ruminant herds of Sardinia, in the Western Mediterranean. The objective of this study was to investigate prevalence of MAP infection in association with Multiple Sclerosis (MS) using clinical specimen from patients and controls. We analyzed samples for the presence of MAP specific DNA and to demonstrate humoral response to a MAP protein (MAP2694), a predicted homologue of the T-cell receptor gamma-chain/complement component 1 of the host. We found presence of MAP DNA in 42% of the MS patients and an extremely significant humoral immune response revealed by the MS patients against the MAP protein. In our opinion, this is the first report that significantly associates MAP infection with MS. Further studies will be required to confirm if MAP could be one of the triggers of MS, according to the molecular mimicry theory, in susceptible (and genetically at risk) individuals

    Search for Kaluza-Klein Graviton Emission in ppˉp\bar{p} Collisions at s=1.8\sqrt{s}=1.8 TeV using the Missing Energy Signature

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    We report on a search for direct Kaluza-Klein graviton production in a data sample of 84 pb−1{pb}^{-1} of \ppb collisions at s\sqrt{s} = 1.8 TeV, recorded by the Collider Detector at Fermilab. We investigate the final state of large missing transverse energy and one or two high energy jets. We compare the data with the predictions from a 3+1+n3+1+n-dimensional Kaluza-Klein scenario in which gravity becomes strong at the TeV scale. At 95% confidence level (C.L.) for nn=2, 4, and 6 we exclude an effective Planck scale below 1.0, 0.77, and 0.71 TeV, respectively.Comment: Submitted to PRL, 7 pages 4 figures/Revision includes 5 figure

    Measurement of the average time-integrated mixing probability of b-flavored hadrons produced at the Tevatron

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    We have measured the number of like-sign (LS) and opposite-sign (OS) lepton pairs arising from double semileptonic decays of bb and bˉ\bar{b}-hadrons, pair-produced at the Fermilab Tevatron collider. The data samples were collected with the Collider Detector at Fermilab (CDF) during the 1992-1995 collider run by triggering on the existence of μμ\mu \mu and eμe \mu candidates in an event. The observed ratio of LS to OS dileptons leads to a measurement of the average time-integrated mixing probability of all produced bb-flavored hadrons which decay weakly, χˉ=0.152±0.007\bar{\chi} = 0.152 \pm 0.007 (stat.) ±0.011\pm 0.011 (syst.), that is significantly larger than the world average χˉ=0.118±0.005\bar{\chi} = 0.118 \pm 0.005.Comment: 47 pages, 10 figures, 15 tables Submitted to Phys. Rev.

    Space-time variation of malaria incidence in Yunnan province, China

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    Abstract Background Understanding spatio-temporal variation in malaria incidence provides a basis for effective disease control planning and monitoring. Methods Monthly surveillance data between 1991 and 2006 for Plasmodium vivax and Plasmodium falciparum malaria across 128 counties were assembled for Yunnan, a province of China with one of the highest burdens of malaria. County-level Bayesian Poisson regression models of incidence were constructed, with effects for rainfall, maximum temperature and temporal trend. The model also allowed for spatial variation in county-level incidence and temporal trend, and dependence between incidence in June–September and the preceding January–February. Results Models revealed strong associations between malaria incidence and both rainfall and maximum temperature. There was a significant association between incidence in June–September and the preceding January–February. Raw standardised morbidity ratios showed a high incidence in some counties bordering Myanmar, Laos and Vietnam, and counties in the Red River valley. Clusters of counties in south-western and northern Yunnan were identified that had high incidence not explained by climate. The overall trend in incidence decreased, but there was significant variation between counties. Conclusion Dependence between incidence in summer and the preceding January–February suggests a role of intrinsic host-pathogen dynamics. Incidence during the summer peak might be predictable based on incidence in January–February, facilitating malaria control planning, scaled months in advance to the magnitude of the summer malaria burden. Heterogeneities in county-level temporal trends suggest that reductions in the burden of malaria have been unevenly distributed throughout the province
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