Andrew Harris

ORCID: 0000-0003-0268-4197
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About
Contact & Profiles
Research Areas
  • Aquaculture Nutrition and Growth
  • Aquaculture disease management and microbiota
  • Polyamine Metabolism and Applications
  • Photoreceptor and optogenetics research
  • Neuroscience and Neuropharmacology Research
  • Assistive Technology in Communication and Mobility
  • Digital Accessibility for Disabilities
  • Animal Nutrition and Physiology
  • Autism Spectrum Disorder Research
  • Corneal Surgery and Treatments
  • Reproductive biology and impacts on aquatic species
  • Innovative Teaching and Learning Methods
  • Skin Protection and Aging
  • Neurobiology of Language and Bilingualism
  • Retinal Development and Disorders
  • Wound Healing and Treatments
  • Innovative Teaching Methods
  • Online and Blended Learning
  • Animal Genetics and Reproduction
  • Educational Methods and Impacts
  • Photosynthetic Processes and Mechanisms
  • Usability and User Interface Design
  • Crustacean biology and ecology
  • Advanced NMR Techniques and Applications
  • Action Observation and Synchronization

University of Guelph
1998-2024

Memorial Sloan Kettering Cancer Center
2024

University of Illinois Urbana-Champaign
2011-2013

University of Leeds
2007

Universidad Autónoma de Nuevo León
2000

Abstract The effect of varying dietary lipid and n‐3 polyunsaturated fatty acids (PUFAs) on growth, feed efficiency, protein energy utilization, carcass quality, nonspecific immune functions was investigated in rainbow trout reared at two different water temperatures (7.5 15 C). Six diets were formulated to contain 47% digestible 21 MJ/kg energy. Three the increasing levels (10, 16, 18%) three additional 18% with sources. Varying PUFA had little growth utilization. Diet composition only...

10.1111/j.1749-7345.2007.00146.x article EN Journal of the World Aquaculture Society 2008-01-31

Numerous methods to analyze biogenic amines in biological materials have been described. A versatile and rapid methodology these compounds feedstuffs, complete feeds, animal tissues, however, has not reported. The current method was developed address this need. Biogenic tissues were extracted with 10% trichloroacetic acid, reacted O-phthaladehyde using high-performance liquid chromatographic employing a cation exchange column. Detection limits 50 pmol/mL for tyramine, histamine, putrescine,...

10.1021/jf990893i article EN Journal of Agricultural and Food Chemistry 2000-04-07

Individuals with aphasia, an acquired communication disorder, constantly struggle against a world that does not understand them. This lack of empathy and understanding negatively impacts their quality life. While aphasic individuals may appear to have lost cognitive functioning, impairment relates receptive expressive language, thinking processes. We introduce novel system model, Aphasia Characteristics Emulation Software (ACES), enabling users (e.g., caregivers, speech therapists family)...

10.1145/1978942.1979029 article EN 2011-05-07

The ability of children to combine syllables represents an important developmental milestone. This is often delayed or impaired in a variety clinical groups, including with autism spectrum disorders (ASD) and speech delays (SPD). Prior work has demonstrated successful use computer-based voice visualizations facilitate production vocalization without ASD/SPD. While prior focused on increasing frequency speech-like vocalizations accuracy sound production, we believe that there potential new...

10.1145/2317956.2317977 article EN 2012-06-11

Microbial rhodopsins are well known as versatile and ubiquitous light-driven ion transporters photosensors. While the proton transport mechanism has been studied in great detail, much less is about various modes of anion transport. Until recently, only two main groups pumps were known, archaeal halorhodopsins (HRs) bacterial chloride (known ClRs or NTQs). Last year, another group cyanobacterial with a very distinct primary structure was reported. Here, we chloride-transporting photocycle...

10.1039/c7cp06068h article EN Physical Chemistry Chemical Physics 2017-10-12

The ability of children to combine syllables represents an important developmental milestone. This is often delayed or impaired in a variety clinical groups including with autism spectrum disorders (ASD) and speech delays (SPD). video illustrates some the features VocSyl, real-time voice visualization system shape multisyllabic speech. VocSyl was designed using Task Centered User Interface Design methodology from beginning end design process. Children Autism Speech Delays, targeted users...

10.1145/2212776.2212469 article EN 2012-05-05

The effects of long-term hyperglycaemia (5 months), through feeding high levels dietary carbohydrates, on the non-specific immunity parameters rainbow trout, Oncorhynchus mykiss (Walbaum), was assessed. Fish were fed one three diets composed a basal diet containing ≈ 14% digestible carbohydrate which progressively diluted with gelatinized potato starch in following ratios to supplemental (gelatinized starch): 65:00, 65:20, 65:35. pair-fed based feed intake fish highest level (65:35) and...

10.1046/j.1365-2109.1999.00330.x article EN Aquaculture Research 1999-04-01

Recent studies on salmon and shrimp have shown that reduced feed intake growth caused by the consumption of low-quality fish meals, manufactured from spoiled fish, were not due to presence biogenic amines. Moreover, an improvement in weight gain was seen blue fed a diet supplemented with cadaverine plus histamine. It clear, however, if this effect histamine or cadaverine. The objective current experiment investigate dietary supplementation parameters various amine concentrations tissues...

10.1111/j.1365-2109.2004.01144.x article EN Aquaculture Research 2004-08-13

Microbial rhodopsins are light-activated retinal-binding membrane proteins that perform a variety of ion transport and photosensory functions. They display several cases convergent evolution where the same function is present in unrelated or very distant protein groups. Here we report another possible case such evolution, describing biophysical properties new group sensory rhodopsins. The first representative this was identified 2004 but none members had been expressed characterized....

10.1021/acs.jpcb.3c04032 article EN cc-by-nc-nd The Journal of Physical Chemistry B 2023-09-11

The mechanism of inward proton transport in a microbial rhodopsin suggested by solid-state NMR spectroscopy and molecular dynamics simulations.

10.1039/d4cp02611j article EN Physical Chemistry Chemical Physics 2024-01-01

While conducting research focused on individuals with impairments is vitally important, such experiments often have high costs (time and money), researchers may be limited in the instructions they can give, or participant feedback gather (due to impairment). We present how an impairment emulation system (ACES) used by behavioral sciences. By repurposing this new technology within context of a "traditional" psychology experiment, we were able analyze impaired linguistic communication manner...

10.1145/2441776.2441835 article EN 2013-02-22
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