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Research
Latest papers
Dietary Tryptophan Requirements in Adults Aged Over 60 Years is not Affected by Sex or Decades of Age.
The Journal of nutrition · 2026
A Human Milk-Based Protein Concentrate Developed for Preterm Infants Retains Bioactive Proteins and Supports Growth of Weanling Rats.
The Journal of nutrition · 2021
An Exploratory Retrospective Study of Factors Affecting Energy Expenditure in Critically Ill Children.
JPEN. Journal of parenteral and enteral nutrition · 2020
Latest funding
- $1,422,900
To complement or not complement- Is protein complementation at each meal necessary when consuming plant-based diets?
CIHR · 2024 · Co-investigator
- $948,600
The amino acid requirements of older adults (60 years and above) is different than those of young adults.
CIHR · 2021 · Co-investigator
- $860,625
The Amino Acid Requirements of Total Parenteral Nutrition (TPN) Fed Human Neonates.
CIHR · 2020 · Principal investigator
23 publications.
Dietary Tryptophan Requirements in Adults Aged Over 60 Years is not Affected by Sex or Decades of Age.
Wang Z, Tomlinson C, Pencharz P, Li B, Kong D, Elango R, Courtney-Martin G
A Human Milk-Based Protein Concentrate Developed for Preterm Infants Retains Bioactive Proteins and Supports Growth of Weanling Rats.
Shama S, Unger S, Pouliot Y, Doyen A, Suwal S, Pencharz P, Pitino MA, Sergius M, Aufreiter S, Stone D, O'Connor DL
An Exploratory Retrospective Study of Factors Affecting Energy Expenditure in Critically Ill Children.
Mtaweh H, Garros C, Ashkin A, Tuira L, Allard JP, Pencharz P, Pullenayegum E, Joffe A, Parshuram CS
Systematic review of factors associated with energy expenditure in the critically ill.
Mtaweh H, Soto Aguero MJ, Campbell M, Allard JP, Pencharz P, Pullenayegum E, Parshuram CS
Effect of Intravenous Infusion Solutions on Bioelectrical Impedance Spectroscopy.
Yap J, Rafii M, Azcue M, Pencharz P
Plasma arginine metabolites reflect airway dysfunction in a murine model of allergic airway inflammation.
Scott JA, North ML, Rafii M, Huang H, Pencharz P, Grasemann H
Accurate estimation of energy requirements of young patients.
Carpenter A, Pencharz P, Mouzaki M
Low maternal sensitivity at 6 months of age predicts higher BMI in 48 month old girls but not boys.
Wendland BE, Atkinson L, Steiner M, Fleming AS, Pencharz P, Moss E, Gaudreau H, Silveira PP, Arenovich T, Matthews SG, Meaney MJ, Levitan RD, MAVAN Study Team
Lung arginase expression and activity is increased in cystic fibrosis mouse models.
Jaecklin T, Duerr J, Huang H, Rafii M, Bear CE, Ratjen F, Pencharz P, Kavanagh BP, Mall MA, Grasemann H
Multitracer stable isotope quantification of arginase and nitric oxide synthase activity in a mouse model of pseudomonas lung infection.
Grasemann H, Jaecklin T, Mehl A, Huang H, Rafii M, Pencharz P, Ratjen F
To complement or not complement- Is protein complementation at each meal necessary when consuming plant-based diets?
Principal investigators: Courtney-Martin, Glenda
Keywords: 15n-Glycine; Humans; Plant-Based Diet; Protein Complementation; Protein Nutrition; Protein Quality; Whole Body Protein Metabolism
The amino acid requirements of older adults (60 years and above) is different than those of young adults.
Principal investigators: Courtney-Martin, Glenda
Keywords: Ageing; Amino Acid Requirements; Elderly; Indicator Amino Acid Oxidation Method
The Amino Acid Requirements of Total Parenteral Nutrition (TPN) Fed Human Neonates.
Principal investigators: Courtney-Martin, Glenda; Pencharz, Paul B
Keywords: Amino Acid Requirements; Human Neonates; Indicator Amino Acid Oxidation Method; Stable Isotopes; Total Parenteral Nutrition
Evaluating the dietary protein quality of cereal grains to meet human nutrition needs by measuring the metabolic availability of the most limiting amino; lysine.
Principal investigators: Courtney-Martin, Glenda; Levesque, Crystal
Keywords: Amino Acids; Bioavailability; Digestibility; Essential Amino Acids; Indicator Amino Acid Oxidation; Protein; Protein Quality; Stable Isotopes
Use of indicator acid oxidation to determine amino acid requirement
Principal investigators: Pencharz, Paul B; Elango, Rajavel
Keywords: Amino Acids; Elderly; Indicator Amino Acid Oxidation; Lactation; Pregnancy; Protein; Requirements; Stable Isotopes
Optimizing Mothers' Milk for Preterm Infants
Principal investigators: O'Connor, Deborah L; Unger, Sharon
Keywords: Body Composition; Donor Milk; Feeding Tolerance; Gastrointestinal Health; Human Milk; Human Milk Fortifiers; Infant Nutrition; Neurodevelopment; Protein; Very Low Birth Weight Infants
Optimizing Mothers' Milk for Preterm Infants
Principal investigators: O'Connor, Deborah L; Unger, Sharon
Keywords: Development; Donor Milk; Gastrointestinal Tract Microbiome; Growth; Human Milk; Infant Nutrition; Morbidity; Protein; Very Low Birth Weight Infants
Neonatal protein and energy metabolism
Principal investigators: Pencharz, Paul B
Keywords: Amino Acid Metabolism; Amino Acid Requirements; Neonates; Parenteral Nutrition
Use of indicator acid oxidation to determine amino acid requirement
Principal investigators: Pencharz, Paul B
Keywords: Amino Acid Requirements; Children; Elderly; Pregnancy; Stable Isotopes
Continuous Flow Isotope Ratio Mass Spectrometer
Principal investigators: Cunnane, Stephen
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
- Padmaja Subbarao and Padmaja Subbarao: 228 shared papers
- Rajavel Elango and Glenda Courtney-Martin: 33 shared papers
- Reshma Amin and Indra Narang: 26 shared papers
- Padmaja Subbarao and Felix Ratjen: 17 shared papers
- Padmaja Subbarao and Felix Ratjen: 16 shared papers
- Felix Ratjen and Reshma Amin: 16 shared papers
- Jill Hamilton and Indra Narang: 9 shared papers
- Padmaja Subbarao and Indra Narang: 7 shared papers
- Padmaja Subbarao and Indra Narang: 7 shared papers
- Jill Hamilton and Denis Daneman: 6 shared papers
- Padmaja Subbarao and Reshma Amin: 5 shared papers
- Jill Hamilton and Khosrow Adeli: 4 shared papers
- Sharon Unger and Jill Hamilton: 3 shared papers
- Jill Hamilton and Eleanor Pullenayegum: 3 shared papers
- Jaques Belik and Felix Ratjen: 3 shared papers
- Paul Pencharz and Felix Ratjen: 3 shared papers
- Jill Hamilton and Paul Pencharz: 2 shared papers
- Jaques Belik and Paul Pencharz: 2 shared papers
- Paul Pencharz and Khosrow Adeli: 2 shared papers
- Paul Pencharz and Denis Daneman: 2 shared papers
- Paul Pencharz and Eleanor Pullenayegum: 2 shared papers
- Khosrow Adeli and Denis Daneman: 2 shared papers
- Padmaja Subbarao and Jaques Belik: 1 shared paper
- Padmaja Subbarao and Paul Pencharz: 1 shared paper
- Sharon Unger and Paul Pencharz: 1 shared paper
- Padmaja Subbarao and Paul Pencharz: 1 shared paper
- Rajavel Elango and Paul Pencharz: 1 shared paper
- Paul Pencharz and Glenda Courtney-Martin: 1 shared paper
- Paul Pencharz and Reshma Amin: 1 shared paper
- Paul Pencharz and Indra Narang: 1 shared paper
- Pediatrics
- Nutritional Sciences
- Translational Medicine
- Biostatistics Division
- Psychiatry
- Department of Laboratory Medicine and Pathobiology
- Medicine
- Other
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Felix Ratjen
Faculty
3 shared papers, latest 2014
Denis Daneman
Pediatrics
2 shared papers, latest 2010
Khosrow Adeli
Department of Laboratory Medicine and Pathobiology
2 shared papers, latest 2010
Eleanor Pullenayegum
Biostatistics Division
2 shared papers, latest 2020
Jill Hamilton
Psychiatry
2 shared papers, latest 2010
Jaques Belik
Pediatrics
2 shared papers, latest 2011
Reshma Amin
Faculty
1 shared papers, latest 2011
Glenda Courtney-Martin
Nutritional Sciences
1 shared papers, latest 2026
Indra Narang
Translational Medicine
1 shared papers, latest 2010
Padmaja Subbarao
Medicine
1 shared papers, latest 2011
Sharon Unger
Translational Medicine
1 shared papers, latest 2021
Padmaja Subbarao
Epidemiology Division
1 shared papers, latest 2011
Rajavel Elango
Pediatrics
1 shared papers, latest 2026
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