1,550 research outputs found
Aeromonas hydrophila in surface water and their removal using a POU technology for drinking in rural communities
New Vallesian Mammals at Masía de La Roma (Teruel Basin)
The number of upper Vallesian (continental Upper Miocene) localities in the Teruel-Alfambra area has
been increased by the sampling of a new road cut at Masia de La Roma. Two new levels have been
sampled (MR-604-A and MR-604-B), which both belong to local Zone J3 (9.4-9.0 Ma) and correspond to
Neogene mammal unit MN10. The levels have yielded the youngest representative of the viverrid
Semigenetta and the oldest ursid Indarctos atticus known thus far, although it should be noted these
forms are rare in general. The small mammal fauna contains characteristic J3 forms such as Huerzelerimys
minor and Crusafontina fastigata. The two levels show a difference in small-mammal relative abundances,
which could be due to factors related to formation of the sites (characteristics of the predators responsible
for the concentration of the skeletal elements
Nitrogen compounds removal from oil-derived middle distillates by MIL-101(Cr) and its impact on ULSD production by hydrotreating
Es un articulo sobre sintesis caracterizacion de catalizadoresoil) for ultra-low sulfur diesel (ULSD) production by hydrotreating (HDT) were pretreated by selective nitrogen organic compounds (NOC) adsorption. Highly crystalline metal-organic framework (MOF) MIL-101(Cr) prepared with propylene oxide (proton scavenger) as textural improver was employed to that end. MOF was characterized by N2 physisorption, X-ray diffraction, thermal analysis, infrared, Raman and UV-vis spectroscopies, and electron microscopy (SEM and HR-TEM). NOC removal was performed at room temperature and atmospheric pressure, the adsorbent being easily regenerable under mild conditions. Extruded MOF efficiently removed NOC from real feedstocks to concentrations ~ 80 ppm, allowing ULSD production at much milder conditions to those used during pristine feedstocks HDT. Operating temperature could be greatly diminished (from 350°C to 330°C, at 56 kg/sq cm (5.77 MPa), LHSV = 1.5/h, H2/oil = 2500 cy ft/bbl (445 cu m/cu m)) which could notably prolong cycle life of NiMo/Al2O3 formulation used.SENER-CONACYT-HIDROCARBUROS FUND
IMP 00117, 6105
The red fox (Vulpes vulpes) as a potential natural reservoir of human cryptosporidiosis by Cryptosporidium hominis in Northwest Spain.
Giardia duodenalis and Cryptosporidium spp. are ubiquitous intestinal protozoa that parasitize domestic and wild animals, as well as human beings. Due to their zoonotic potential, the objective of the present study was to determine the presence of these pathogens in the fox population (Vulpes vulpes) located in Northwest Spain. A total of 197 faecal samples from legally hunted foxes were collected in the autonomous region of Galicia. The presence of G. duodenalis and Cryptosporidium spp. was investigated by PCR-based methods amplifying the small subunit ribosomal RNA (ssu rRNA) gene of the parasites. Attempts to genotype obtained positive samples were subsequently conducted at the glutamate dehydrogenase (gdh) and β-giardin (bg) genes of G. duodenalis, and the 60 kDa glycoprotein (gp60) gene of Cryptosporidium. Giardia duodenalis and Cryptosporidium spp. were identified in 19 (9.6%) and 12 (6.1%) of the investigated samples, respectively. However, five Cryptosporidium species were detected at the ssu rRNA locus: C. hominis (33.4%, 4/12), C. canis (25.0%, 3/12), C. parvum (16.7%, 2/12), C. ubiquitum (8.3%, 1/12) and C. suis (8.3%, 1/12). An additional Cryptosporidium-positive sample was identified at the genus level only. Typing and subtyping of Giardia- and Cryptosporidium-positive samples were unsuccessful. The detection of C. hominis in wild foxes indicates the probable overlapping of sylvatic and domestic cycles of this parasite in rural settings. Besides, this finding raises the question of whether red foxes may act as natural reservoirs of C. hominis. The detection of C. parvum and C. suis is suggestive of active transmission events between farm and wild animals, opening up the possibility of transmission to human beings.The red foxes used in this study were provided by the Wildlife Recovery Centres of Galicia, Dirección Xeral de Patrimonio Natural (Xunta de Galicia, Spain) and by Federación Galega de Caza. Molecular analyses conducted in this survey were funded by the Health Institute Carlos III, Spanish Ministry of Economy and Competitiveness under project CP12/03081.S
Chlorination for low-cost household water disinfection:A critical review and status in three Latin American countries
Spanish medical students’ attitudes and views towards Mental Health and Psychiatry: a multicentric cross-sectional study.
Objective The aim of this study is to investigate the attitudes
towards mental illness and psychiatry among fifth year
Spanish medical students.
Methods The study included 171 students from three medical
schools located in different areas of Spain: Cádiz; UCA (n=
113), Madrid; San Pablo-CEU (n=22), and Barcelona; UAB
(n=36). They responded, prior to their undergraduate medical
course in psychiatry, to the AMI questionnaire to measure the
attitudes towards mental illness and to Balon’s adapted questionnaire
to investigate their view towards psychiatry.
Results The students (93.4 %) had a positive attitude towards
mental illness (AMI). Attitudes towards psychiatry were fairly
positive with a few negative views, specifically regarding the
role of psychiatrists (items 11 and 13) and the prestige of the
specialty (item 16). There were some statistically significant
differences between the three medical schools in the perception
of psychiatry as a medical discipline. A better attitude
towards mental illness was associated with a better view of the
overall merits of psychiatry.
Conclusions Findings suggest that Spanish medical students
do not have a negative attitude towards mental illness and they
have a good perception of psychiatry, although there are still
some misconceptions about this specialty. These student’s
attitudes could favor an appropriate management of patients
suffering from mental illness
Setting the scene and generating evidence for malaria elimination in Southern Mozambique
Mozambique has historically been one of the countries
with the highest malaria burden in the world. Starting in the
1960s, malaria control efforts were intensified in the southern
region of the country, especially in Maputo city and Maputo
province, to aid regional initiatives aimed to eliminate malaria
in South Africa and eSwatini. Despite significant reductions in
malaria prevalence, elimination was never achieved. Following
the World Health Organization's renewed vision of a
malaria-free-world, and considering the achievements from the
past, the Mozambican National Malaria Control Programme (NMCP)
embarked on the development and implementation of a strategic
plan to accelerate from malaria control to malaria elimination
in southern Mozambique. An initial partnership, supported by the
Bill and Melinda Gates Foundation and the La Caixa Foundation,
led to the creation of the Mozambican Alliance Towards the
Elimination of Malaria (MALTEM) and the Malaria Technical and
Advisory Committee (MTAC) to promote national ownership and
partner coordination to work towards the goal of malaria
elimination in local and cross-border initiatives. Surveillance
systems to generate epidemiological and entomological
intelligence to inform the malaria control strategies were
strengthened, and an impact and feasibility assessment of
various interventions aimed to interrupt malaria transmission
were conducted in Magude district (Maputo Province) through the
"Magude Project". The primary aim of this project was to
generate evidence to inform malaria elimination strategies for
southern Mozambique. The goal of malaria elimination in areas of
low transmission intensity is now included in the national
malaria strategic plan for 2017-22 and the NMCP and its partners
have started to work towards this goal while evidence continues
to be generated to move the national elimination agenda forward
Pattern of healthcare resource utilization and direct costs associated with manic episodes in Spain
<p>Abstract</p> <p>Background</p> <p>Although some studies indicate that bipolar disorder causes high health care resources consumption, no study is available addressing a cost estimation of bipolar disorder in Spain. The aim of this observational study was to evaluate healthcare resource utilization and the associated direct cost in patients with manic episodes in the Spanish setting.</p> <p>Methods</p> <p>Retrospective descriptive study was carried out in a consecutive sample of patients with a DSM-IV diagnosis of bipolar type I disorder with or without psychotic symptoms, aged 18 years or older, and who were having an active manic episode at the time of inclusion. Information regarding the current manic episode was collected retrospectively from the medical record and patient interview.</p> <p>Results</p> <p>Seven hundred and eighty-four evaluable patients, recruited by 182 psychiatrists, were included in the study. The direct cost associated with healthcare resource utilization during the manic episode was high, with a mean cost of nearly €4,500 per patient, of which approximately 55% corresponded to the cost of hospitalization, 30% to the cost of psychopharmacological treatment and 10% to the cost of specialized care.</p> <p>Conclusions</p> <p>Our results show the high cost of management of the patient with a manic episode, which is mainly due to hospitalizations. In this regard, any intervention on the management of the manic patient that could reduce the need for hospitalization would have a significant impact on the costs of the disease.</p
Violence witnessing, perpetrating and victimization in medellin, Colombia: a random population survey
<p>Abstract</p> <p>Background</p> <p>The burden of injury from violence and the costs attributable to violence are extremely high in Colombia. Despite a dramatic decline in homicides over the last ten years, homicide rate in Medellin, Colombia second largest city continues to rank among the highest of cities in Latin America. This study aims to estimate the prevalence and distribution of witnesses, victims and perpetrators of different forms of interpersonal violence in a representative sample of the general population in Medellin in 2007.</p> <p>Methods</p> <p>A face-to-face survey was carried out on a random selected, non-institutionalized population aged 12 to 60 years, with a response rate of 91% yielding 2,095 interview responses.</p> <p>Results</p> <p>We present the rates of prevalence for having been a witness, victim, or perpetrator for different forms of violence standardized using the WHO truncated population pyramid to allow for cross-national comparison. We also present data on verbal aggression, fraud and deception, yelling and heavy pranks, unarmed aggression during last year, and armed threat, other severe threats, robbery, armed physical aggression, and sexual aggression during the lifetime, by age, sex, marital and socioeconomic status, and education. Men reported the highest prevalence of being victims, perpetrators and witnesses in all forms of violence, except for robbery and sexual violence. The number of victims per perpetrator was positively correlated with the severity of the type of violence. The highest victimization proportions over the previous twelve months occurred among minors. Perpetrators are typically young unmarried males from lower socio-economic strata.</p> <p>Conclusions</p> <p>Due to very low proportion of victimization report to authorities, periodic surveys should be included in systems for epidemiological monitoring of violence, not only of victimization but also for perpetrators. Victimization information allows quantifying the magnitude of different forms of violence, while data on factors associated with aggression and perpetrators are necessary to estimate risk and protective factors that are essential to sound policies for violence prevention formulation.</p
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