Listar INVESTIGACIÓN por título
Mostrando ítems 1886-1905 de 2523
-
Prostate cancer screening in the fit chilean elderly: A head to head comparison of total serum PSA versus age adjusted PSA versus primary circulating prostate cells to detect prostate cancer at initial biopsy
(Facultad de Ciencias, 2015)BACKGROUND: Prostate cancer is predominately a disease of older men, with a median age of diagnosis of 68 years and 71% of cancer deaths occurring in those over 75 years of age. While prostate cancer screening is not ... -
ProTaper Next files edge wear after conforming vestibular canals of maxillary molars: An in vitro study
(Wolters Kluwer Medknow Publications, 2020)Introduction: The aim of this study was to evaluate the wear of ProTaper Next rotary files, X1, X2, and X3 after shaping 6, 10, and 14 maxillary molar vestibular canals. Materials and Methods: One hundred and sixty-two ... -
Protective effect of inactivated blastoconidia in keratinocytes and human reconstituted epithelium against C. albicans infection
(OXFORD UNIV PRESS, 2019)Candida albicans is commensal yeast that colonizes skin and mucosa; however, it can become an opportunist pathogen by changing from blastoconidia (commensal form) into hypha (pathogenic form). Each form activates a different ... -
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 ... -
Protein capped nanosilver free radical oxidation: role of biomolecule capping on nanoparticle colloidal stability and protein oxidation
(ROYAL SOC CHEMISTRY, 2018)We studied the effect of human serum albumin protein capped spherical nanosilver on the nanoparticle stability upon peroxyl radical oxidation. The nanoparticle-protein composite is less prone to oxidation compared to the ... -
Protein Kinase CK2 in Cancer Energetics
(Frontiers Media S.A., 2020-06)Protein kinase CK2 (formerly known as casein kinase 2) is abnormally elevated in many cancers. This may increase tumor aggressiveness through CK2-dependent phosphorylation of key proteins in several signaling pathways. In ... -
Psicología de la salud: Una clave para comprender el fenómeno de la adherencia terapéutica
(CIENCIAS, 2007)The lack of compliance with treatment is a public health problem that affects the patient's quality of life, avoids an objective assessment of therapeutic effectiveness and may even cause death. Non compliance can be ... -
Psychiatric comorbidities in alcohol use disorder
(ELSEVIER SCI LTD, 2019)Alcohol use disorder is a major contributor to the morbidity and mortality burden worldwide. It often coexists with other psychiatric disorders; however, the nature of this comorbidity is still a matter of debate. In this ... -
Psychobiological Changes during National Futsal Team Training Camps and Their Relationship with Training Load
(MDPI, 2020-03-02)The aim of this study was two-fold: (1) to analyze the within-week variations of heart rate, session-rated of perceived exertion (sRPE), total distance, distance in 8.0-11.99 km/h(-1), recovery distance in 12.0-17.99 ... -
Psychological well-being related to screen time, physical activity after school, and weight status in Chilean schoolchildren
(ARAN EDICIONES, S L, 2019)Background: the relationship between physical activity (PA) patterns and mental health in children is receiving considerable attention. Aims: the aim of this study was to compare psychological well-being in groups of ... -
Psychometric properties of the Spanish version of the Edinburgh Handedness Inventory in a sample of Chilean undergraduates
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2019)An individual's nervous and cognitive systems are lateralized, and handedness represents a behavioral manifestation of such organization. Therefore, accurately and reliably measuring handedness has repercussion on our ... -
Psychosocial, physical and anthropometric variables in chilean schoolchildren. A comparative study according to physical activity levels
(Chile. Universidad Mayor, 2019)Introduction: Physical activity (PA) has multiple benefits for physical and mental health in different types of populations; however, there are no comprehensive evaluations in school population. On the other hand, levels ... -
PT-symmetric phonon laser under gain saturation effect
(The Optical Society, 2020-07-20)As an analog of optical laser, phonon laser has potential applications in various areas. We study a type of phonon laser implemented by two coupled micro-cavities, one of which carries optical gain medium. The phonon laser ... -
Pubertal development at age 14 is associated with male adolescents' combustible cigarette smoking and dual use, but not with e-cigarette use - Findings from the UK Millennium Cohort Study
(ELSEVIER IRELAND LTD, 2023-12-01)Background: Adolescent nicotine exposure via electronic cigarettes (e-cigarettes) is a global health concern. Pubertal development earlier than peers increases the risk of tobacco smoking compared to peers experiencing ... -
Publisher Correction: Soil contamination in nearby natural areas mirrors that in urban greenspaces worldwide
(Nature Publishing Group, 2023-04-26)In the version of this article originally published, the current affiliation 25, “CEAZA, Universidad Católica del Norte, Coquimbo, Chile,” initially appeared as the last affiliation, offsetting all author footnotes from ... -
¿Puede el ejercicio físico per se disminuir el peso corporal en sujetos con sobrepeso/obesidad?
(Sociedad Medica de Santiago, 2017)The prevalence of overweight and obesity is increasing, creating a public health problem. The loss of approximately 10% of body weight is recommended to reduce the risk of mortality associated with metabolic diseases and ... -
Puente adhesivo en paciente con labio leporino y fisura velopalatina. Una solución temporal con compromiso estético
(Facultad de Ciencias, 2013)En la actualidad el aumento de la demanda estética y la necesidad de procedimientos mínimamente invasivos ha llevado a un aumento de la técnica adhesiva. Ribbond® es una marca de fibra de polietileno que permite un eficiente ... -
Pulsed radiofrequency of superior cervical ganglion for treatment of painful post-traumatic trigeminal neuropathy (PTTN): A case series report
(TAYLOR & FRANCIS LTD, 2019)Objective: Painful post-traumatic trigeminal neuropathy (PTTN) is a clinical pain syndrome that occurs due to injuries to the peripheral branches of the trigeminal nerve and is characterized by a deep burning pain and ... -
Purification of Exosomes from Primary Schwann Cells, RNA Extraction, and Next-Generation Sequencing of Exosomal RNAs
(Humana Press, 2018)Exosomes are small (30-150 nm) vesicles of endosomal origin secreted by most cell types. Exosomes contain proteins, lipids, and RNA species including microRNA, mRNA, rRNA, and long noncoding RNAs. The mechanisms associated ...