Author pages are created from data sourced from our academic publisher partnerships and public sources.
- Publications
- Influence
Cell block cytology. Improved preparation and its efficacy in diagnostic cytology.
- N. A. Nathan, E. Narayan, M. M. Smith, M. Horn
- Medicine
- American journal of clinical pathology
- 1 October 2000
Cell blocks prepared from residual tissue fluids and fine-needle aspirations can be useful adjuncts to smears for establishing a more definitive cytopathologic diagnosis. They can be particularly… Expand
Are baseline and short-term corticosterone stress responses in free-living amphibians repeatable?
- E. Narayan, J. Cockrem, J. Hero
- Biology, Medicine
- Comparative biochemistry and physiology. Part A…
- 2013
Amphibians respond to environmental stressors by secreting corticosterone, a stress hormone which promotes physiological and behavioral responses. Capture handling can be used to stimulate… Expand
Urinary corticosterone metabolite responses to capture, and annual patterns of urinary corticosterone in wild and captive endangered Fijian ground frogs (Platymantis vitiana)
- E. Narayan, F. Molinia, K. Christi, C. Morley, J. Cockrem
- Biology
- 14 October 2010
This study was based on the development of a non-invasive glucocorticoid enzyme-immunoassay for the assessment of stress in wild and captive endangered Fijian ground frogs (Platymantis vitiana).… Expand
Urinary corticosterone responses to capture and toe-clipping in the cane toad (Rhinella marina) indicate that toe-clipping is a stressor for amphibians.
- E. Narayan, F. Molinia, Christina Kindermann, J. Cockrem, J. Hero
- Biology, Medicine
- General and comparative endocrinology
- 1 November 2011
Toe-clipping, the removal of one or more toes, is a common method used to individually mark free-living animals. Whilst this method is widely used in studies of amphibians, the appropriateness of the… Expand
Repeatability of baseline corticosterone and short-term corticosterone stress responses, and their correlation with testosterone and body condition in a terrestrial breeding anuran (Platymantis…
- E. Narayan, J. Cockrem, J. Hero
- Biology, Medicine
- Comparative biochemistry and physiology. Part A…
- 1 June 2013
Repeatability of physiological response variables, such as the stress hormone corticosterone, across numerous sampling occasions is an important assumption for their use as predictors of behaviour,… Expand
Non-invasive reproductive and stress endocrinology in amphibian conservation physiology
- E. Narayan
- Biology, Medicine
- Conservation physiology
- 24 May 2013
This review focuses on non-invasive endocrinology, which is a key component of amphibian conservation physiology. It enables rapid assessment of reproductive and stress hormones in free-living and… Expand
Sight of a Predator Induces a Corticosterone Stress Response and Generates Fear in an Amphibian
- E. Narayan, J. Cockrem, Jean-Marc Hero
- Biology, Medicine
- PloS one
- 29 August 2013
Amphibians, like other animals, generate corticosterone or cortisol glucocorticoid responses to stimuli perceived to be threatening. It is generally assumed that the corticosterone response of… Expand
Repeatability of baseline corticosterone and acute stress responses to capture, and patterns of reproductive hormones in vitellogenic and non-vitellogenic female Fijian ground frog (Platymantis…
- E. Narayan, Jean-Marc Hero
- Biology, Medicine
- Journal of experimental zoology. Part A…
- 1 October 2013
The survival of animal species and individuals is largely determined by their ability to express physiological stress responses to predictable and unpredictable environmental challenges. Currently,… Expand
The relationship between physiological stress and wildlife disease: consequences for health and conservation
- Stephanie Hing, E. Narayan, R. Thompson, S. Godfrey
- Biology
- Wildlife Research
- 20 April 2016
Abstract. Wildlife populations are under increasing pressure from a variety of threatening processes, ranging from climate change to habitat loss, that can incite a physiological stress response. The… Expand
Inverse urinary corticosterone and testosterone metabolite responses to different durations of restraint in the cane toad (Rhinella marina).
- E. Narayan, J. Hero, J. Cockrem
- Biology, Medicine
- General and comparative endocrinology
- 1 December 2012
Non-invasive measurement of urinary corticosterone and testosterone metabolites in amphibians provides opportunities for endocrine studies of responses to physiological and psychological stressors.… Expand