Peru - Science topic

Since the discovery of spectacular architectural sculptures at Punkurí and Cerro Blanco in the late 1920s and early 1930s, the Nepeña Valley has occupied a special place in Chavín-related studies and broader narratives about Initial Period and Early Horizon societies in Peru. At the center of many discussions are the stylistic affinities and differ...

Objetivo: analisar quais variáveis tecnológicas, derivadas do uso de dispositivos eletrônicos, predizem o estresse acadêmico e suas dimensões em estudantes de enfermagem. Método: estudo transversal do tipo analítico, realizado em 796 estudantes de seis universidades do Peru. Foi utilizada a escala SISCO e foram estimados quatro modelos de regressão...

This article analyses the first eleven projects for monuments dedicated to the Pe-ruvian heroes of the Pacific War (1879-1883), proposed in the early post-war period for the department of Lima and those in the north of the country (1883-1897). These projects were the mournful materialisation of the feeling of mourning experienced by the generation...

Background Gender minority individuals are understudied in clinical trials. Realizing the potential of HIV prevention options requires understanding product tolerability across diverse groups vulnerable to HIV acquisition. Within HVTN 704/HPTN 085, a phase 2b trial of the broadly neutralizing antibody (bnAb) VRC01 for HIV prevention, analyses of as...

Background Tuberculosis (TB) infectiousness decreases significantly with only a few days of therapy, but delayed diagnosis often leads to late treatment initiation. We conducted a sequential explanatory mixed-methods study to understand the barriers and facilitators to prompt diagnosis and identify areas for improvement. Methods We enrolled 100 ad...

Published abstract for oral presentation at the Union World Conference on Lung Health 2023 in Paris, France

Background The HVTN 704/HPTN 085 clinical trial (AMP study) assessed the efficacy of VRC01 broadly neutralizing antibody infusions for HIV prevention. It offered access to oral pre-exposure prophylaxis (PrEP) at no-cost to all participants as standard of HIV prevention care. Understanding PrEP initiation among trial participants and describing its...

Background Vaccination against COVID-19 is one of the most important measures to reduce the spread, morbidity, and mortality of the disease. Methods We conducted a cross-sectional study to evaluate knowledge, attitudes, and practices regarding vaccination against COVID-19 in medical students at Universidad Peruana Cayetano Heredia (UPCH), for whic...

Background Antibiotic resistant infections commonly occur in healthcare settings, but the prevalence of antibiotic resistant genes (ARGs) in healthy individuals in the community is unknown. We provide an initial assessment of nasopharyngeal carriage of ARGs conferring resistance to macrolides and/or lincosamides, including erm, mph, ABC-F, and lnu...

This paper studies how taxes and regulations affect firms and labor market outcomes in the developing world. We build a general equilibrium model of firm dynamics subject to search frictions, taxes, and imperfectly enforced legislation. This setup leads to informal employment along the intensive and extensive margin. Estimated to match firm and wor...

We report a new country record and a considerable range extension of the Barinas smooth snake, Erythrolamprus dorsocorallinus, in Guyana. Previously, the species had only been reported in Bolivia, Colombia, Peru, Venezuela, and the western Brazilian Amazonia. Our observation adds E. dorsocorallinus to the faunal list of Guyana and suggests that thi...

Póster presentado en el XXI Congreso Peruano de geología, sobre las rocas ultrabásicas de Huánuco, Perú.

Juan Solórzano y Pereyra fue un jurista madrileño que vivió entre 1575 y 1655. Se formó en Salamanca y cumplió funciones de oidor en Lima y visitador en las minas de Huancavelica, lo cual le permitió tener información y experiencia directa de la cuestión indiana e indígena en el territorio del Perú y Charcas. Su postura jurídica y moral se encuadr...

Contamination with anthropogenic debris, such as plastic and paint particles, has been widely investigated in the global marine environment. However, there is a lack of information regarding their presence in marine protected areas (MPAs). In the present study, the abundance, distribution, and chemical characteristics of microplastics (MPs; <5 mm),...

I have observed on several occasions adult males of Dusky Tapaculo with a white spot on the forehead (Fig. 1a), with a dark gray plumage and larger than Magellanic Tapaculo (personal observation) similar to the phenotype of male individuals of the Andean species of S. atratus distributed in Peru, Colombia, Ecuador and Venezuela. The specimens of Du...

This book presents 16 practical cases from 11 countries, including China, Australia, Egypt, Morocco, Peru, Serbia, Indonesia, Malaysia, the Philippines, and Vietnam. These cases aim to present the implementation background, core problems, solutions, effects and impacts of the cases, to help teachers and administrators understand the educational and...

Friedrich, S. 2023. The edaphic oribatid mite fauna of the private protected area ACP Panguana in Peruvian Amazonia-an annotated checklist (Acari, Oribatida). Spixiana 46 (1): 31-46. Investigation of the edaphic oribatid mite fauna of ACP Panguana between the years 2011 and 2016 led to the descriptions of 42 taxa new to science. Furthermore, 61 tax...

The reporting system for fishing vessel and crew casualties in Peru needs a disruptive change in order to know what the risks in terms of marine safety are, who should manage them, and how they should be managed. According to a technical review on accidents recorded by the Peruvian Direction of Captaincies and Coast Guards (DICAPI), it is evident t...

León, S. 2023. New records of pea crabs of the genus Pinnixa from Peru (Crustacea, Decapoda, Brachyura, Pin-notheridae). Spixiana 45(1): 21-25. During research activities on commercial benthic invertebrates carried out by IMARPE's Coastal Laboratory of Camana, some Pinnixa specimens were collected. P. bahamondei specimens were collected in the cour...

We report on 'full body elevation' defence behavior in connection with skin scretion in Phyllomedusa chaparroi at Panguana, Departamento Huánuco, Peru. The behaviour has been triggered by ant attacks.

Climate change and increases in human activities are threatening water availability in the Arequipa Region (southern Peru). However, to date, there has not been a comprehensive inventory of surface water data or an investigation of current surface water conditions or forecasted future conditions resulting from increased anthropic demand or stresses...

Objective To determine the short-, mid-, and long-term complications after multisystem inflammatory syndrome in children (MIS-C) over a 24-month follow-up period in a hospital in Lima, Peru, 2020–2022, and to explore differences according to the immunomodulatory treatment received and type of SARS-CoV-2 virus circulating. Methods Ambispective 24-m...

In central Peru, we observed Atta leaf-cutting ants purposefully dropping waste crumps into flowing water where tadpoles of Leptodactylus rhodonotus were feeding on the ants' waste.

This study uses a family of VAR models with time-varying parameters and stochastic volatility (TVP-VAR-SV) to analyze the impact of external shocks on output growth and inflation in Peru in 1992Q1-2017Q1. The statistical relevance of the models is assessed using the deviance information criterion (DIC) and the marginal log-likelihood calculated usi...

Within the field of social reintegration and re-education, this paper presents an educational experience carried out at the Iquitos Penitentiary Center, Lima, Peru, with the aim of providing an introduction to informatics to 25 inmates who volunteered to take part in the project. Twenty students and a teacher from the Scientific University of the S...

Purpose: The main objective of the text is to explore and determine the impact of financial education on the indebtedness of Peruvian households. Theoretical framework: As for the theoretical framework, reference is made to several previous theories and studies, such as Kahneman and Tversky's prospect theory, Modigliani and Brumberg's life-cycle th...

“Vallejo, Adán y Eielson-Sologuren: Estancias amerindias (PPT)” constituye el programa de un libro en preparación con título homónimo. Comunicación que fue presentada en el marco del Congreso internacional Pensar la forma: tecnologías del pensamiento en las Humanidades hoy, PUC del Perú, 21-22 de nov. de 2023.

Background Rapid diagnostic testing may support improved treatment of COVID patients. Understanding COVID testing and care pathways is important for assessing the impact and cost-effectiveness of testing in the real world, yet there is limited information on these pathways in low-and-middle income countries (LMICs). We therefore undertook an expert...

During recent routine curatorial work in the Natural History Museum, London three additional specimens, two of Diplura nigra (F. O. Pickard-Cambridge, 1896) and one of D. sanguinea (F. O. Pickard-Cambridge, 1896) – previously not known to have been separated from the original respective type samples according the museum database – were located in a...

Background: The potential benefits of ayahuasca on mental health conditions are well documented. This pilot study is the first to explore whether there is an association with ayahuasca use and reductions in inattention, hyperactivity and impulsivity, the core features of attention-deficit/hyperactivity disorder. Methods: In this exploratory, observ...

The situation of social exclusion in which older adults live in extreme poverty is a problem that leads to psychological alterations such as depression or cognitive deterioration. Our objective was to analyze the living conditions and the psychosocial sphere of older adult people living in extreme poverty in Requena del Tapiche in Peru. This was an...

Nuestros páramos, como elementos biogeográficos tropicales, que por condiciones de clima, flora y suelos comparten Perú, Ecuador, Venezuela, Panamá y Costa Rica, en el caso de Colombia benefician la Región Andina con sus tres cordilleras y el sector Nariño-Putumayo, además del área de influencia de la Sierra Nevada de Santa Marta. El PNN de...

This study aimed to analyze Escherichia coli from marketed meat samples in Peru. Sixty-six E. coli isolates were recovered from 21 meat samples (14 chicken, 7 beef), and antimicrobial resistance levels and the presence of mechanisms of antibiotic resistance, as well as clonal relationships and phylogeny of colistin-resistant isolates, were establis...

Earth Observation data are uniquely positioned to estimate forest aboveground biomass density (AGBD) in accordance with the United Nations Framework Convention on Climate Change (UNFCCC) principles of `transparency, accuracy, completeness, consistency and comparability’. However, the use of space-based AGBD maps for national-level reporting to the...

Video cameras provide vital information on volcanic plumes from explosive eruptions, such as plume height, for monitoring and research. These images must be calibrated to get accurate quantitative data. However, the presence of wind complicates any calibration as the plume may no longer lie in the image plane, i.e. a plane perpendicular to the came...

We used an interbehavioral model of teacher–student didactic performance with six pairs of criteria, as follows. Exploration of competencies and precurrent for learning, explicitness of teacher criteria and identification of student criteria, teacher illustration and illustration—student participation, supervision of the practice by the teacher and...

Objective: To identify and characterise genomic and phylogenetically isolated SARS-CoV-2 viral isolates in patients from Lambayeque, Peru. Methods: nasopharyngeal swabs were taken from patients from the Almanzor Aguinaga Asenjo Hospital, Chiclayo, Lambayeque, Peru, which have been considered mild, moderate and severe cases of COVID-19. Patients had...

Secondary sexual dimorphism is relatively common in the ghost knifefishes (Gymnotiformes: Apteronotidae), with males of several species growing greatly elongated snouts (e.g., Compsaraia samueli, Parapteronotus hasemani), while others develop enlarged, protruding teeth on either the lower jaw (Sternarchorhynchus spp.) or both jaws (Sternarchogiton...

Several studies have analyzed the ice margin behavior of the Quelccaya Ice Cap (QIC), Earth's largest tropical ice cap, through the Holocene. However, continuous integration of new information to produce a more cohesive history of the QIC is necessary. Here, the radiocarbon dates of 33 rooted plant specimens collected in situ along the western ice...

El presente artículo analiza las percepciones de género entre las mujeres de la iglesia cristiana Agua Viva en Lima Metropolitana y Callao (Perú), basándose en la sociología de la experiencia de Francois Dubet. La investigación utiliza un enfoque cualitativo mediante entrevistas a siete miembros de la Iglesia. Los hallazgos muestran convergencias e...

This study examines the role of equitable management in preventing sexual harassment in the workplace and a loss of productivity during periods of crisis due to natural or social disasters. A structured survey of 445 women from 76 companies in five regions of northern Peru and a structural equation analysis show that companies that implement equita...

El presente trabajo se enfoca en la configuración de actores y en el componente discursivo del paradigma neoliberal, y analiza, en particular, a partir del enfoque gramsciano de análisis de relaciones de fuerzas, el rol que tuvo el grupo de la élite empresarial en la formación de la hegemonía neoliberal en los años noventa. En primer lugar, se expl...

Background The environmental action scale is used to measure the degree of participation in collective environmental actions and has been shown to have adequate psychometric properties in developed countries. However, there are still no studies that have evaluated its performance in the Peruvian population. Methods In this instrumental study, the...

Este ensayo se adentra en la persistente problemática de la segregación ocupacional por género en el mercado laboral y su impacto en la igualdad de oportunidades. A pesar del incremento en la participación femenina en la fuerza laboral en décadas recientes, las desigualdades laborales siguen siendo una realidad que plantea desafíos significativos p...

La organización colectiva del comer, mediante comedores populares liderados por mujeres, ha sido una respuesta a la emergencia ali-mentaria y a la pobreza en los países de la región de América del Sur desde hace décadas. El objetivo de este trabajo es analizar cómo los programas alimentarios para comedores populares han configurado prácticas de fem...

Recientes estudios han considerado la informalidad urbana como un problema multidimensional, y han discutido sobre si realmente es una desviación o externalidad de la formalidad. El objetivo de este ensayo es probar que la operación de Airbnb en Lima ocurre en un mercado de alquiler donde los actores privados y estatales coproducen la informalidad...

This research aimed to identify critical success factors and challenges faced by non-technical female entrepreneurs during the Covid-19 pandemic. Additionally, it aimed to explore the strategic financial, marketing, and safety responses taken by these entrepreneurs to sustain their businesses. Data was collected through interviews and surveys from...

El presente ensayo tiene como objetivo el de analizar como la inteligencia artificial ha impactado en la disminución de la alfabetización informacional y cuáles son su limitación en el contexto de la educación peruana y en general en la sociedad. La generación de capacidades informacionales involucra reunir habilidades y conocimientos afines con la...

The escalating prevalence of overall and abdominal obesity, particularly affecting Latin America, underscores the urgent need for accessible and cost-effective predictive methods to address the growing disease burden. This study assessed skinfold thicknesses’ predictive capacity for overall and abdominal obesity in Peruvian adults aged 30 or older...

The objective of the study was to evaluate the genetic structure of the Suri alpaca population, from the Quimsachata Research and Production Center of the Illpa-Puno Experimental Station of the National Institute of Agrarian Innovation, Peru. Data from 1350 Suri alpacas born from 1993 to 2015 (636 males and 714 females) were analyzed using the meth...

Determining the sources of water provisioning streams, soils, and vegetation can provide important insights into the water that sustains critical ecosystem functions now and how those functions may be expected to respond given projected changes in the global hydrologic cycle. We developed multi-year time series of water isotope ratios (δ18O and δ2H...

Se investigó sobre la relación que existe entre la gestión de riesgo empresarial y rentabilidad, caso de empresas industriales, en un distrito de Lima - Perú, de tipo aplicada, con un enfoque cuantitativo, diseño no experimental, correlacional descriptivo, en el que se utilizó como instrumento el cuestionario, con una muestra de 40 empresas del sec...

De los elementos de un glaciar uno de los aspectos más importantes para estimar el estado de los glaciares es la línea equilibrio (ELA). Para su estimación existen diferentes métodos entre los que se destaca el cálculo de la línea de nieve (SLA). La ventaja del método propuesto es la semiautomatización que permite clasificar áreas de acumulación y...

In depth analysis of Latin American and Caribbean (LAC) overseas foreign direct investment (OFDI) to China including macro, meso and micro (case studies) analysis. The book includes a regional perspective (PRESENTATION/Enrique Dussel Peters), and the experiences of Argentina (Leonardo E. Stanley), Brazil (Celio Hiratuka), the Caribbean (Jevon Minto...

In soil erosion estimation models, the variables with the greatest impact are rainfall erosivity (RE), which is the measurement of precipitation energy and its potential capacity to cause erosion, and erosivity density (ED), which relates RE to precipitation. The RE requires high temporal resolution records for its estimation. However, due to the l...

El artículo presenta cuatro experiencias de regeneración urbana de los barrios populares del distrito de Comas (Lima Norte) en las que los/as niños/as participaron de manera protagónica ejerciendo plenamente su agencia como productores de espacio público. El objetivo de la investigación es analizar las metodologías y herramientas empleadas en los c...

Huanglongbing (HLB) is a citrus disease known for causing significant production losses, and its potential introduction into Peru looms on the horizon. The aim of this study was to assess the potential economic losses within the Central Jungle's orange production chain, specifically in the Region Junín. This assessment involved simulating the sprea...

Introduction: Including traditional, complementary and integrative medicines in national health systems is a point of discussion worldwide. This article focuses on the theme within the scope of oncology in Latin America. Objective: To analyze the health care management dimensions included in scientific production in integrative oncology in Latin Am...

NICSP implementación en Perú

Seaweed farming worldwide has increased considerably in the last century. Latin America (LATAM) has an enormous potential to contribute within the medium/long term to global seaweed production. However, the seaweed sector is not exempted by risks (e.g. diseases and pests) overall understudied in the region, reason why biosecurity and traceabilit...

Promover la cultura financiera y el desarrollo económico mediante regulación legal para formar cultura desde los niveles iniciales de educación básica.

Crédito financiero y Mypes, Perú

El objetivo de este trabajo es proponer estrategias, acciones o proyectos a las micros, pequeñas y medianas empresas (mipymes) manufactureras (industria y agroindustria) del Perú para mejorar el conocimiento, la accesibilidad, el uso y la aplicación de servicios de infraestructura de calidad (IC) para promover su competitividad y el crecimiento de...

El elevado consumo de medicamentos por parte de la población relacionada con un deficiente sistema de eliminación de medicamentos vencidos o en desuso en los hogares trae como consecuencia que sean vertidos con los residuos domésticos o a través del desagüe contaminando el agua y el suelo. En Perú, no existe legislación específica que conlleve a un...

We have conducted an observation of earthquake ground motion for an acquisition of basic data for building of models for sedimentary layers and earthquake sources to predict long-period strong motion of anticipated earthquakes in Lima, Peru. The observation instrument which consists of a 3-component accelerometer, a high-sensitivity vertical veloci...

El propósito fundamental de aprender el idioma inglés es poder comunicarse, ya sea para acceder a un puesto laboral, por turismo o estar a la vanguardia de los últimos adelantos científicos que son publicados en este idioma. Lamentablemente, en el modelo educativo asumido en el Perú existen deficiencias que impiden su desarrollo, debido a una falta...

Cultura tributaria en comerciantes de Barranca - Perú

Abstract. The new species Sodaliatoma schoenfeldi sp. nov. from Peru is described, illustrated and compared with related species.

1. Introducción Alonso Olea (1963), en la década del sesenta, describió a la doctrina laboralista peruana como enraizada al derecho positivo. Seis lustros después, que duda cabe, la descripción del desaparecido profesor español no puede reiterarse. La escuela peruana ha redefinido al Derecho del Trabajo y se sitúa como un importante referente regio...

Pendahuluan Angka kecelakaan kerja di Indonesia memang diakui masih cukup tinggi pada tahun 2021 dengan kenaikan 5,65% kasus. Amanat Kesehatan RI No. 9 Tahun 1960 tentang pencegahan dan pengurangan probabilitas kecelakaan. Salam Lima Jari merupakan program yang menjadi komitmen direksi PT PDSI dengan memperhatikan aspek safety memiliki dam­­pak yan...

The Moche civilization in Peru developed marvelous metallurgy, primarily using alloys of gold, copper and silver, with the most famous of them called Tumbaga, which resembles pure gold after a depletion process on its surface. However, they also created objects with more standard single-layer alloys or gilding. To distinguish between these techniqu...

Objetivo. El objetivo fue determinar la relación entre la adquisición de bienes y servicios y gestión administrativa en la Municipalidad Provincial de Mariscal Nieto, Moquegua (Perú). Métodos. Para lograrlo se utilizó una metodología aplicada, con enfoque cuantitativos y diseño no experimental. A partir de una población de 50 trabajadores municipal...

1. ABSTRACT El Distrito Minero de Colquijirca se ubica en el departamento de Cerro de Pasco a 310 km al noreste de la ciudad de Lima, está conformado por los depósitos Colquijirca al norte, Marcapunta al centro y San Gregorio al sur. El yacimiento es conocido por presentar un zoneamiento acido con presencia de cuarzo-alunita-dikita-kaolinita en la...

El-Nino Southern Oscillation (ENSO) is a recent phenomenon in global climate change. It is an irregularly periodic variation in winds and sea surface temperatures over the tropical eastern Pacific Ocean. • It is a coupled climate phenomenon of El-Nino and La-Nina which happens in 2-7 years. • El-Nino originally referred to an annual warming of sea...

The present article consists of a systematic and large-scale analysis of the customs records of Lima during the late colonial period to increase knowledge about the trade and circulation of music both in said city and the Viceroyalty of Peru. The analysis of these sources offers valuable information on the import and export of sheet music, instrume...

The genus Phaonantho Albuquerque (Anthomyiidae) comprises three species: P. mallochi (Curran), P. benevola Couri, and P. sordilloae Pamplona & Couri. These species are distributed in the neotropics. In this study, we updated the distribution-al knowledge for Phaonantho species, including the first record of the genus in Bolivia, Paraguay, Peru, and...

Glacier lake outburst floods (GLOFs) initiate with the rapid outburst of a glacier lake, endangering downstream populations, land, and infrastructure. The flow initiates as a mud flow; however, with the entrainment of additional solid material, the flood will often transform into a debris flow. As the run-out slope flattens, the coarse solid materi...

We report the results of long-term collecting efforts conducted mainly in the western Amazon region of Peru, and in Bolivia, Ecuador, Suriname, French Guiana, and Panama. Host plant and distribution records are documented for 55 plant species associated with 40 species of Anastrepha Schiner belonging to 15 species groups or unassigned to a group. W...

De esta manera, las observaciones realizadas del 22 de junio al 05 de septiembre de 2016 representan el primer registro documentado del Zambullidor Plateado para los Humedales de Ventanilla y la región Callao. Avistamientos realizados en los humedales y playa San Pedro de dos individuos, en el distrito de Lurín, Lima, entre el 21 de julio y el 28 d...

Objective This study aimed to examine the self-perception of competencies in obstetric emergencies among recently graduated physicians from universities in Lima, Peru; and to identify its associated factors. Methods An analytical study was conducted, with the study population comprising newly graduated doctors who attended the “VI SERUMS National...

Objetivo: Determinar la efectividad de un programa educativo para conocimiento y participación de padres de niños con autismo en una clínica de Piura durante el año 2022. Material y métodos: Enfoque cuantitativo, diseño cuasiexperimental de tipo pre y posprueba de un solo grupo, de corte longitudinal y prospectivo. Se utilizó una ficha sociodemográ...

El objetivo del presente artículo es hacer una aproximación conceptual y operativa a fin de plantear aportes, reflexiones y propuestas técnicas para la formulación e implementación de un Plan Maestro de Desarrollo Urbano Sostenible de la Costa Verde de Lima Metropolitana (PMCV) y de la Megalópolis Lima Callao, Perú, con Visión al 2040; a partir de...

Lontra longicaudis Olfers, 1818 is a widely distributed species in North, Central and South America. They are categorized as Near Threatened by the IUCN, but they are not under legal protection in Peru, where their documentation has been limited. Here we present occurrence data of this species inside the Manu Learning Centre biological station, in...

Governments globally deployed various non-pharmacological public health measures to respond to the COVID-19 pandemic (i.e. lockdowns and suspension of transportation, amongst others); some of these measures had an influence on society’s mental health. Specific mental health policies were therefore implemented to mitigate the potential mental health...