Repositorio UMAYOR: Envíos recientes
Mostrando ítems 6401-6420 de 8244
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Radiometric Cross-Calibration of the Chilean Satellite FASat-C Using RapidEye and EO-1 Hyperion Data and a Simultaneous Nadir Overpass Approach
(CIENCIAS, 2016)The absolute radiometric calibration of a satellite sensor is the critical factor that ensures the usefulness of the acquired data for quantitative applications on remote sensing. This work presents the results of the first ... -
Relationship between Disk Position and Degenerative Bone Changes in Temporomandibular Joints of Young Subjects with TMD: An MRI Study
(CIENCIAS, 2014)This study determines the frequency and relationship between disk position and degenerative bone changes in temporomandibular joints in children and adolescent patients with internal derangement. Study design: TMJ, MRI of ... -
Relationship between learning styles and academic performance of fifth graders enrolled in the medical course
(CIENCIAS, 2013)OBJECTIVE: The aim of this study was to determine the learning styles of fifth-year medical students who attended the ophthalmology course and to also determine the correlation with their academic performance. METHODS: ... -
Recent changes in total ice volume on Volcan Villarrica, Southern Chile
(CIENCIAS, 2015)Results obtained by the first intensive airborne surveys carried out at Volcan Villarrica (39 degrees S) in Southern Chile, are presented. These campaigns included the use of a scanner laser system, for detecting the glacier ... -
Residual glycerol from biodiesel Manufacturing, waste or potential source of Bioenergy: A review
(CIENCIAS, 2011)Esta revisión proporciona un resumen de la investigación realizada sobre el uso de glicerol crudo, principal subproducto de la industria del biodiesel, como sustrato para la co-digestión anaerobia y producción de biogas. ... -
Recombinant lactic acid bacteria as delivery vectors of heterologous antigens: the future of vaccination?
(CIENCIAS, 2015)Lactic acid bacteria (LABs) are good candidates for the development of new oral vaccines and are attractive alternatives to attenuated pathogens. This review focuses on the use of wild-type and recombinant lactococci and ... -
Protein and mRNA content of TcDHH1-containing mRNPs in Trypanosoma cruzi
(CIENCIAS, 2010)In trypanosomatids, the regulation of gene expression occurs mainly at the post-transcriptional level. Previous studies have revealed nontranslated mRNA in the Trypanosoma cruzi cytoplasm. Previously, we have identified ... -
Revisiting the reference genomes of human pathogenic Cryptosporidium species: Reannotation of C. parvum Iowa and a new C. hominis reference
(CIENCIAS, 2015)Cryptosporidium parvum and C. hominis are the most relevant species of this genus for human health. Both cause a self-limiting diarrhea in immunocompetent individuals, but cause potentially life-threatening disease in the ... -
Redefining micrometastasis in prostate cancer - a comparison of circulating prostate cells, bone marrow disseminated tumor cells and micrometastasis: Implications in determining local or systemic treatment for biochemical failure after radical prostatectomy
(CIENCIAS, 2012)The presence of cells positive for cytokeratins or prostate-specific antigen (PSA) in bone marrow aspirates (BMAs) has been used to indicate the presence of micrometastasis. The aim of this prospective study of prostate ... -
Reconstruction of Temporomandibular Joint With a Fibula Free Flap: A Case Report With a Histological Study
(CIENCIAS, 2015)Reconstruction of the temporomandibular joint (TMJ) for congenital or acquired deformities is a major challenge for maxillofacial surgeons. The alternatives for reconstructing the TMJ include free grafts (costochondral, ... -
Respiratory allergy to airborne fungi in Sao Luis - MA: clinical aspects and levels of IgE in a structured asthma program
(CIENCIAS, 2014)Introduction: Respiratory allergies are becoming increasingly frequent, especially based on studies of asthma and rhinitis. It is estimated that 20–30% of the world’s population is affected. Allergic reactions are caused ... -
Pro-inflammatory cytokines enhance ERAD and ATF6α pathway activity in salivary glands of Sjögren's syndrome patients
(CIENCIAS, 2016)Salivary gland (SG) acinar-cells are susceptible to endoplasmic reticulum (ER) stress related to their secretory activity and the complexity of synthesized secretory products. SGs of Sjögren's syndrome patients (SS)-patients ... -
Pre-stimulus EEG oscillations correlate with perceptual alternation of speech forms
(CIENCIAS, 2016)Speech perception is often seen as a passive process guided by physical stimulus properties. However, ongoing brain dynamics could influence the subsequent perceptual organization of the speech, to an as yet unknown extent. ... -
Positive association between conflicts of interest and reporting of positive results in randomized clinical trials in dentistry
(CIENCIAS, 2013)Background. The relationship between industry funding and study results has been explored widely in medicine but not in dentistry. The authors aimed to assess the relationship between conflicts of interest (COIs) and study ... -
Phytochemical analysis of alkaloids from the Chilean endemic tree Cryptocarya alba
(CIENCIAS, 2016)A phytochemical study of the roots and aerial parts of Cryptocarya alba (Mol.) Looser (Lauraceae), an endemic Chilean tree and the southernmost Cryptocarya species, led for the first time to the isolation and unambiguous ... -
Prevalence of clinical attachment loss in adolescents in Santo Domingo, Dominican Republic
(CIENCIAS, 2005)Background: Data on periodontal conditions in adolescents in the Dominican Republic are scarce. The aim of the present crosssectional study was to estimate the prevalence of periodontal attachment loss among Dominican ... -
Prevalence of human papillomavirus university young women
(CIENCIAS, 2011)Cervical cancer is the second most prevalent female cancer worldwide. The majority of cases appear between the age of 30 and 50. Human papillomavirus (HPV) plays a central role in cervical cancer with 99.7% of HPV DNA ... -
Presence of prostate cells in bone marrow biopsies as a sign of micrometastasis in cancer patients
(CIENCIAS, 2009)The presence of prostate cancer cells in bone marrow of patients with clinically localized disease is associated with increased chance of disease recurrence. The presence of prostate specific antigen (PSA) in bone marrow ... -
Predictive factors in infraorbital sensitivity disturbances following zygomaticomaxillary fractures. International
(CIENCIAS, 2005)The aim of this study was to define if the alterations in sensory modalities could be a predictive factor in the prognostic recovery of the ION. Ten patients that had suffered facial trauma, associated with sensitivity ... -
Phylogeny of Sarocladium (Hypocreales)
(CIENCIAS, 2015)The circumscription of the genus Acremonium (Hypocreales) was recently reviewed on the basis of a DNA phylogenetic study. Several species were subsequently transferred to Sarocladium, but the relationships between both ...