Adam M. Schaefer
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View article: Evaluating Bias in Self-Reported Symptoms During a Cyanobacterial Algal Bloom
Evaluating Bias in Self-Reported Symptoms During a Cyanobacterial Algal Bloom Open
Algal blooms produced by cyanobacteria liberate microcystins and other toxins that create a public health hazard. During the 2018 bloom of Microcystis aeruginosa in Florida, USA, residential and recreational exposures were associated with …
View article: HEALTH OUTCOMES OF AGING INDIVIDUALS EXPOSED TO HARMFUL ALGAL BLOOMS IN SOUTH FLORIDA
HEALTH OUTCOMES OF AGING INDIVIDUALS EXPOSED TO HARMFUL ALGAL BLOOMS IN SOUTH FLORIDA Open
Environmental changes have profoundly altered the lives of individuals in South Florida. Harmful Algal Blooms (HAB) and associated toxins produced by cyanobacteria and Karenia brevis impact the lives of Floridians, including aging individu…
View article: The need for multicomponent dust attenuation in modeling nebular emission: Constraints from SDSS-IV MaNGA
The need for multicomponent dust attenuation in modeling nebular emission: Constraints from SDSS-IV MaNGA Open
A fundamental assumption adopted in nearly every extragalactic study that analyzes optical emission lines is that the attenuation of different emission lines can be described by a single attenuation curve, scaled by a single reddening para…
View article: Measurement of Microcystin Activity in Human Plasma Using Immunocapture and Protein Phosphatase Inhibition Assay
Measurement of Microcystin Activity in Human Plasma Using Immunocapture and Protein Phosphatase Inhibition Assay Open
Microcystins are toxic chemicals generated by certain freshwater cyanobacteria. These chemicals can accumulate to dangerous levels during harmful algal blooms. When exposed to microcystins, humans are at risk of hepatic injury, including l…
View article: The need for multicomponent dust attenuation in modeling nebular emission: Constraints from SDSS-IV MaNGA
The need for multicomponent dust attenuation in modeling nebular emission: Constraints from SDSS-IV MaNGA Open
A fundamental assumption adopted in nearly every extragalactic emission-line study is that the attenuation of different emission lines can be described by a single attenuation curve. Here we show this assumption fails in many cases with im…
View article: Detection of Brevetoxin in Human Plasma by ELISA
Detection of Brevetoxin in Human Plasma by ELISA Open
Florida red tides have become more common and persistent in and around the Gulf of Mexico. When in bloom, red tides can produce brevetoxins in high concentrations, leading to human exposures primarily through contaminated food and ocean sp…
View article: Macroscopic and Histopathologic Findings From a Mass Stranding of Rough-Toothed Dolphins (Steno bredanensis) in 2005 on Marathon Key, Florida, USA
Macroscopic and Histopathologic Findings From a Mass Stranding of Rough-Toothed Dolphins (Steno bredanensis) in 2005 on Marathon Key, Florida, USA Open
On March 2, 2005 ~70 rough-toothed dolphins (Steno bredanensis) mass stranded along mud flats and associated canals on the Atlantic Ocean side of Marathon Key, Florida. Forty-six were necropsied and placed into two groups for analysis: Gro…
View article: Predictors of new‐onset atrial fibrillation in geriatric trauma patients
Predictors of new‐onset atrial fibrillation in geriatric trauma patients Open
Male geriatric trauma patients were at higher risk for developing new-onset atrial fibrillation. Other demographic and clinical factors were not associated with new-onset atrial fibrillation.
View article: Determinants of external and blood parasite load in African penguins (<i>Spheniscus demersus</i>) admitted for rehabilitation
Determinants of external and blood parasite load in African penguins (<i>Spheniscus demersus</i>) admitted for rehabilitation Open
We investigate the factors associated with the occurrence and abundance of external and blood parasites in African penguins ( Spheniscus demersus ), an endangered seabird that breeds exclusively on the coasts of Namibia and South Africa. E…
View article: Measurement of Microcystin and Nodularin Activity in Human Urine by Immunocapture-Protein Phosphatase 2A Assay
Measurement of Microcystin and Nodularin Activity in Human Urine by Immunocapture-Protein Phosphatase 2A Assay Open
Microcystins (MC) and nodularin (NOD) are toxins released by cyanobacteria during harmful algal blooms. They are potent inhibitors of protein phosphatases 1 and 2A (PP1 and PP2A) and cause a variety of adverse symptoms in humans and animal…
View article: Mercury Exposure, Fish Consumption, and Perceived Risk among Pregnant Women in Coastal Florida
Mercury Exposure, Fish Consumption, and Perceived Risk among Pregnant Women in Coastal Florida Open
Seafood consumption is the primary source of mercury (Hg) exposure, particularly among coastal populations. Hg exposure during pregnancy has been associated with cognitive impairment, as well as decrements in memory, attention, fine motor …
View article: Evaluation of body mass index as a prognostic indicator from two rough‐toothed dolphin (<i>Steno bredanensis</i>) mass strandings in Florida
Evaluation of body mass index as a prognostic indicator from two rough‐toothed dolphin (<i>Steno bredanensis</i>) mass strandings in Florida Open
Rough‐toothed dolphins ( Steno bredanensis ) are a common mass stranding species in Florida. These large stranding events typically include a small number of sick or injured individuals and a much larger number of healthy individuals, maki…
View article: Comparative Innate and Adaptive Immune Responses in Atlantic Bottlenose Dolphins (Tursiops truncatus) With Viral, Bacterial, and Fungal Infections
Comparative Innate and Adaptive Immune Responses in Atlantic Bottlenose Dolphins (Tursiops truncatus) With Viral, Bacterial, and Fungal Infections Open
Free-ranging Atlantic bottlenose dolphins (n = 360) from two southeastern U.S. estuarine sites were given comprehensive health examinations between 2003 and 2015 as part of a multi-disciplinary research project focused on individual and po…
View article: Integrated observing systems: An approach to studying harmful algal blooms in south Florida
Integrated observing systems: An approach to studying harmful algal blooms in south Florida Open
The Indian River Lagoon (IRL) is a large and complex barrier island estuary on Florida's East coast. The system is also one of the nation's most biologically diverse, a major spawning and nursery ground for numerous species of fish and she…
View article: Complete Genome Sequencing of a Novel Type of <i>Omikronpapillomavirus 1</i> in Indian River Lagoon Bottlenose Dolphins (Tursiops truncatus)
Complete Genome Sequencing of a Novel Type of <i>Omikronpapillomavirus 1</i> in Indian River Lagoon Bottlenose Dolphins (Tursiops truncatus) Open
The genome sequence of a papillomavirus was determined from fecal samples collected from bottlenose dolphins in the Indian River Lagoon, FL. The genome was 7,772 bp and displayed a typical papillomavirus genome organization. Phylogenetic a…
View article: Health and Environmental Risk Assessment Project for bottlenose dolphins Tursiops truncatus from the southeastern USA. II. Environmental aspects
Health and Environmental Risk Assessment Project for bottlenose dolphins Tursiops truncatus from the southeastern USA. II. Environmental aspects Open
Bottlenose dolphins Tursiops truncatus are the most common apex predators found in coastal and estuarine ecosystems along the southeastern coast of the USA, where these animals are exposed to multiple chemical pollutants and microbial agen…
View article: Evaluation of Serum for Pathophysiological Effects of Prolonged Low Salinity Water Exposure in Displaced Bottlenose Dolphins (Tursiops truncatus)
Evaluation of Serum for Pathophysiological Effects of Prolonged Low Salinity Water Exposure in Displaced Bottlenose Dolphins (Tursiops truncatus) Open
We conducted a retrospective study of serum biochemistry and hematologic findings from displaced, out-of-habitat bottlenose dolphins (Tursiops truncatus) exposed to various low salinity environments in waters along the southern United Stat…
View article: Health and Environmental Risk Assessment Project for bottlenose dolphins Tursiops truncatus from the southeastern USA. I. Infectious diseases
Health and Environmental Risk Assessment Project for bottlenose dolphins Tursiops truncatus from the southeastern USA. I. Infectious diseases Open
From 2003 to 2015, 360 free-ranging Atlantic bottlenose dolphins Tursiops truncatus inhabiting the Indian River Lagoon (IRL, n = 246), Florida, and coastal waters of Charleston (CHS, n = 114), South Carolina, USA, were captured, given comp…
View article: The environment as a driver of immune and endocrine responses in dolphins (Tursiops truncatus)
The environment as a driver of immune and endocrine responses in dolphins (Tursiops truncatus) Open
Immune and endocrine responses play a critical role in allowing animals to adjust to environmental perturbations. We measured immune and endocrine related markers in multiple samples from individuals from two managed-care care dolphin grou…
View article: Blood mercury concentrations in common bottlenose dolphins from the Indian River Lagoon, Florida: Patterns of social distribution
Blood mercury concentrations in common bottlenose dolphins from the Indian River Lagoon, Florida: Patterns of social distribution Open
Social network analysis has been shown to be effective in studying the social structure of cetacean populations. Common bottlenose dolphins ( Tursiops truncatus ) inhabiting the Indian River Lagoon ( IRL ), Florida, have among the highest …
View article: Cutaneous Granulomas in Dolphins Caused by Novel Uncultivated<i>Paracoccidioides brasiliensis</i>
Cutaneous Granulomas in Dolphins Caused by Novel Uncultivated<i>Paracoccidioides brasiliensis</i> Open
Cutaneous granulomas in dolphins were believed to be caused by Lacazia loboi, which also causes a similar disease in humans. This hypothesis was recently challenged by reports that fungal DNA sequences from dolphins grouped this pathogen w…
View article: Toward the identification, characterization and experimental culture of<i>Lacazia loboi</i>from Atlantic bottlenose dolphin (<i>Tursiops truncatus</i>)
Toward the identification, characterization and experimental culture of<i>Lacazia loboi</i>from Atlantic bottlenose dolphin (<i>Tursiops truncatus</i>) Open
Lobomycosis (lacaziosis) is a chronic, granulomatous, fungal infection of the skin and subcutaneous tissues of humans and dolphins. To date, the causative agent, the yeast-like organism Lacazia loboi, has not been grown in the laboratory, …
View article: Health evaluation of African penguins (<i>Spheniscus demersus</i>) in southern Africa
Health evaluation of African penguins (<i>Spheniscus demersus</i>) in southern Africa Open
The African penguin (Spheniscus demersus) is an endangered seabird that breeds along the coast of Namibia and South Africa, and disease surveillance was identified as a priority for its conservation. Aiming for the establishment of baselin…
View article: Atlantic Bottlenose Dolphins (Tursiops truncatus) as A Sentinel for Exposure to Mercury in Humans: Closing the Loop
Atlantic Bottlenose Dolphins (Tursiops truncatus) as A Sentinel for Exposure to Mercury in Humans: Closing the Loop Open
Mercury (Hg) is a ubiquitous global contaminant with important public health implications. Mercury is released from a variety of anthropogenic, industrial processes, enters the earth's atmosphere and is re-deposited onto the earth’s surfac…
View article: Mucocutaneous lesions in free-ranging Atlantic bottlenose dolphins Tursiops truncatus from the southeastern USA
Mucocutaneous lesions in free-ranging Atlantic bottlenose dolphins Tursiops truncatus from the southeastern USA Open
Mucocutaneous lesions were biopsied from free-ranging Atlantic bottlenose dolphins Tursiops truncatus inhabiting the Indian River Lagoon (IRL), Florida, and estuarine waters of Charleston (CHS), South Carolina, USA, between 2003 and 2013. …
View article: Establishment of baseline haematology and biochemistry parameters in wild adult African penguins (<i>Spheniscus demersus</i>)
Establishment of baseline haematology and biochemistry parameters in wild adult African penguins (<i>Spheniscus demersus</i>) Open
There are few publications on the clinical haematology and biochemistry of African penguins (Spheniscus demersus) and these are based on captive populations. Baseline haematology and serum biochemistry parameters were analysed from 108 blo…