Results 121 to 130 of about 95,234 (255)

Incidence of Trypanosoma cruzi infection in two Guatemalan communities.

open access: yes, 2004
The prevalence of human infection by Trypanosoma cruzi was assessed using an enzyme-linked immunosorbent assay (ELISA) in a serological survey in 1998 of 2 rural communities (SMH and PS) in Guatemala.
Davies, C   +6 more
core   +1 more source

Caught in the fire: An accidental ethnography of discomfort in researching sex work

open access: yesFeminist Anthropology, EarlyView.
Abstract Drawing on fifteen years of engagement with researching Israel's sex industry, this article uses accidental ethnography to propose discomfort‐as‐method for feminist anthropology. I argue that discomfort is not a by‐product of fieldwork but a constitutive condition that disciplines researchers and shapes what can be known.
Yeela Lahav‐Raz
wiley   +1 more source

Distribution and ecological aspects of sand flies (Diptera: Psychodidae) species in Northeastern Iran

open access: yesAsian Pacific Journal of Tropical Medicine, 2018
Objective: To determine both the distribution and the ecological characteristics of sand flies in Golestan Province, northeast of Iran in 2016. Methods: In this study, 34 villages were selected based on their geographical conditions.
Aioub Sofizadeh   +5 more
doaj   +1 more source

Boot Camp for Scientists [PDF]

open access: yes, 2014
An innovative week-long program allows first-year students to explore the sciences at ...
Davis, Laura, Linfield Magazine Staff
core   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

open access: yesFlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu   +3 more
wiley   +1 more source

First 20 Years of Orbitrap Mass Spectrometry as the Mainstream Analytical Technique

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT This review traces the first 20 years of Orbitrap mass spectrometry as a mainstream high‑resolution and accurate‑mass (HR/AM) technology. It outlines the historical development of the Orbitrap analyzer, the evolution of major instrument families, and the key technological innovations that enabled its widespread adoption. Particular emphasis is
Alexander Makarov
wiley   +1 more source

Global analysis of annual survival among shorebirds reveals a negative effect of migration distance and a decline in recent decades

open access: yesOikos, EarlyView.
Annual survival is a key demographic parameter driving population trends in wildlife populations. However, despite numerous species‐specific or regional studies, global reviews of the factors affecting the survival of declining taxa remain scarce. Here, we investigated annual survival of fledged immature and adult shorebirds, a globally‐distributed and
Guillaume Dillenseger   +5 more
wiley   +1 more source

Risk factors for visceral leishmaniasis in a new epidemic site in Amhara Region, Ethiopia [PDF]

open access: yes, 2009
We conducted a case-control study to evaluate risk factors for visceral leishmaniasis during an epidemic in a previously unaffected district of Ethiopia. We also collected blood and bone marrow specimens from dogs in the outbreak villages.
Alvar, Jorge   +11 more
core   +1 more source

Understanding the effects of patch‐burn grazing management on aboveground grassland invertebrate biodiversity

open access: yesOikos, EarlyView.
Landscape heterogeneity is widely recognized as a driver of biodiversity, yet its consequences for above‐ground, foliage‐dwelling insect communities under active grassland management remain underexplored. Patch‐burn grazing (PBG), which rotates fire across patches within a grazed landscape, is designed to promote spatial and temporal heterogeneity by ...
Zachary L. T. Bunch   +5 more
wiley   +1 more source

Entomological survey of sand fly vectors and molecular screening for Leishmania parasite in refugee camps in Ethiopia

open access: yesScientific Reports
Visceral leishmaniasis is transmitted by infected female sand flies. However, entomological data from refugee camps remained limited. This study aimed to describe sand fly fauna and assess natural Leishmania infection in selected refugee camps in ...
Habtamu Belay   +8 more
doaj   +1 more source

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