AIMC Topic: Energy Metabolism

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Improving energy expenditure estimates from wearable devices: A machine learning approach.

Journal of sports sciences Apr 6, 2020
A means of quantifying continuous, free-living energy expenditure (EE) would advance the study of bioenergetics. The aim of this study was to apply a non-linear, machine learning algorithm (random forest) to predict minute level EE for a range of act...
Bicycling Galvanic Skin Response Jogging Body Composition Walking Activities of Daily Living Heart Rate Energy Metabolism Body Temperature Accelerometry Fitness Trackers Calorimetry, Indirect Sedentary Behavior Adult Male Middle Aged Exercise Body Mass Index Humans Machine Learning Algorithms Female
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A biarticular passive exosuit to support balance control can reduce metabolic cost of walking.

Bioinspiration & biomimetics Mar 20, 2020
Nowadays, the focus on the development of assistive devices just for people with mobility disorders has shifted towards enhancing physical abilities of able-bodied humans. As a result, the interest in the design of cheap and soft wearable exoskeleton...
Young Adult Adult Feedback Biomechanical Phenomena Male Humans Female Gait Models, Biological Healthy Volunteers Energy Metabolism Exoskeleton Device Wearable Electronic Devices Lower Extremity Robotics Equipment Design Walking
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MMPdb and MitoPredictor: Tools for facilitating comparative analysis of animal mitochondrial proteomes.

Mitochondrion Jan 20, 2020
Data on experimentally-characterized animal mitochondrial proteomes (mt-proteomes) are limited to a few model organisms and are scattered across multiple databases, impeding a comparative analysis. We developed two resources to address these problems...
Humans Machine Learning Energy Metabolism Saccharomyces cerevisiae Acanthamoeba castellanii Drosophila melanogaster Caenorhabditis elegans Animals Mice Proteome Databases, Protein Mitochondria Mitochondrial Proteins
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Metabolomics meets machine learning: Longitudinal metabolite profiling in serum of normal versus overconditioned cows and pathway analysis.

Journal of dairy science Sep 20, 2019
This study aimed to investigate the differences in the metabolic profiles in serum of dairy cows that were normal or overconditioned when dried off for elucidating the pathophysiological reasons for the increased health disturbances commonly associat...
Parturition Biogenic Amines Physical Conditioning, Animal Metabolomics Body Weight Lactation Energy Metabolism Milk Machine Learning Pregnancy Female Parity Animals Diet Cattle
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Prediction of metabolic status of dairy cows in early lactation with on-farm cow data and machine learning algorithms.

Journal of dairy science Aug 30, 2019
Metabolic status of dairy cows in early lactation can be evaluated using the concentrations of plasma β-hydroxybutyrate (BHB), free fatty acids (FFA), glucose, insulin, and insulin-like growth factor 1 (IGF-1). These plasma metabolites and metabolic ...
Machine Learning Algorithms Pregnancy Female Parity Animals Farms Energy Metabolism Blood Glucose Milk Insulin Fatty Acids, Nonesterified Cattle 3-Hydroxybutyric Acid Body Weight Lactation
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Neural-network classification of cardiac disease from P cardiovascular magnetic resonance spectroscopy measures of creatine kinase energy metabolism.

Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance Aug 12, 2019
BACKGROUND: The heart's energy demand per gram of tissue is the body's highest and creatine kinase (CK) metabolism, its primary energy reserve, is compromised in common heart diseases. Here, neural-network analysis is used to test whether noninvasive...
Magnetic Resonance Spectroscopy Phosphocreatine Phosphorus Isotopes Creatine Kinase Neural Networks, Computer Middle Aged Kinetics Machine Learning Severity of Illness Index Adenosine Triphosphate Humans Biomarkers Predictive Value of Tests Aged Heart Diseases Myocardium Female Aged, 80 and over Energy Metabolism Reproducibility of Results Young Adult Adult Male
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Metabolic cost adaptations during training with a soft exosuit assisting the hip joint.

Scientific reports Jul 5, 2019
Different adaptation rates have been reported in studies involving ankle exoskeletons designed to reduce the metabolic cost of their wearers. This work aimed to investigate energetic adaptations occurring over multiple training sessions, while walkin...
Biotechnology Exoskeleton Device Adaptation, Physiological Gait Healthy Volunteers Energy Metabolism Military Personnel Hip Joint United States Humans Follow-Up Studies Young Adult Robotics Male Walking
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Rapid energy expenditure estimation for ankle assisted and inclined loaded walking.

Journal of neuroengineering and rehabilitation Jun 6, 2019
BACKGROUND: Estimating energy expenditure with indirect calorimetry requires expensive equipment and several minutes of data collection for each condition of interest. While several methods estimate energy expenditure using correlation to data from w...
Ankle Joint Humans Adult Exoskeleton Device Neural Networks, Computer Male Female Electromyography Walking Energy Metabolism
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Data-driven supervised learning of a viral protease specificity landscape from deep sequencing and molecular simulations.

Proceedings of the National Academy of Sciences of the United States of America Dec 26, 2018
Biophysical interactions between proteins and peptides are key determinants of molecular recognition specificity landscapes. However, an understanding of how molecular structure and residue-level energetics at protein-peptide interfaces shape these l...
Serine Proteases Viral Nonstructural Proteins Substrate Specificity Peptide Hydrolases Supervised Machine Learning Antiviral Agents Hepacivirus High-Throughput Nucleotide Sequencing Metabolomics Energy Metabolism Structure-Activity Relationship Drug Resistance, Viral Models, Molecular
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Wrist accelerometer shape feature derivation methods for assessing activities of daily living.

BMC medical informatics and decision making Dec 12, 2018
BACKGROUND: There has been an increasing interest in understanding the usefulness of wrist-based accelerometer data for physical activity (PA) assessment due to the ease of use and higher user compliance than other body placements. PA assessment stud...
Locomotion Accelerometry Male Middle Aged Wrist Humans Activities of Daily Living Machine Learning Energy Metabolism Female Aged Aged, 80 and over Adult
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