Libai Xu
Overview
Explore the profile of Libai Xu including associated specialties, affiliations and a list of published articles.
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Articles
11
Citations
34
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Recent Articles
1.
Szwiega S, Pencharz P, Xu L, Kong D, Tomlinson C, Elango R, et al.
Am J Clin Nutr
. 2024 Aug;
120(5):1063-1070.
PMID: 39209155
Background: Previous studies proposed varying leucine requirements for adults ranging from 25 to 40 mg⋅kg⋅d, but often these studies did not test intakes exceeding 40 mg⋅kg⋅d. Data using the indicator...
2.
Rafii M, Paoletti A, He H, Porto B, Szwiega S, Pencharz P, et al.
J Nutr
. 2024 May;
154(7):2133-2142.
PMID: 38735574
Background: Current recommendation for lysine in older adults, 30 mg/kg/d, is based on young adult data. Evidence suggests that amino acid requirements may differ between young and old adults with...
3.
Paoletti A, Pencharz P, Rafii M, Tomlinson C, Kong D, Xu L, et al.
Am J Clin Nutr
. 2024 Feb;
119(4):917-926.
PMID: 38325765
Background: Protein recommendations for older adults are based on nitrogen balance data from young adults. Physiological studies using the indicator amino acid oxidation method suggest they need 30% to 50%...
4.
Lv C, Yang S, Chen Y, Xu L, Wang A, Zhang Z, et al.
Environ Sci Pollut Res Int
. 2023 Dec;
31(5):7533-7542.
PMID: 38159183
Biochar, as a soil amendment, can be applied to remediate heavy metal (HM) contaminated farmland. However, there is little research on the effect of tobacco biochar (TB) derived from tobacco...
5.
Szwiega S, Xu L, Rafii M, Pencharz P, Kong D, Tomlinson C, et al.
Am J Clin Nutr
. 2023 Nov;
119(2):371-383.
PMID: 37992970
Background: In 2005, the Institute of Medicine advised using methods other than nitrogen balance (NB) for determining protein requirements. Since then, protein requirements using indicator amino acid oxidation (IAAO) have...
6.
Paoletti A, Pencharz P, Ball R, Kong D, Xu L, Elango R, et al.
Am J Clin Nutr
. 2023 Oct;
118(6):1243.
PMID: 37844874
No abstract available.
7.
Paoletti A, Pencharz P, Ball R, Kong D, Xu L, Elango R, et al.
Nutrients
. 2023 Oct;
15(19).
PMID: 37836396
The minimum methionine requirement in the presence of excess dietary cysteine has not been determined in older adults. This study aimed to determine the minimum methionine requirement in healthy older...
8.
Yanchis D, So S, Patterson C, Belza C, Garofalo E, Wong-Sterling S, et al.
J Pediatr Gastroenterol Nutr
. 2023 Jul;
77(4):558-564.
PMID: 37434279
Objectives: Data on the relationship between body composition (BC) and physical activity (PA) in children with intestinal failure (IF) are lacking. The objectives were to collect data on PA and...
9.
Paoletti A, Pencharz P, Ball R, Kong D, Xu L, Elango R, et al.
Am J Clin Nutr
. 2023 Jun;
118(3):538-548.
PMID: 37356549
Background: The total sulfur amino acid (TSAA) recommendation in older adults is based on data from young adults. Physiological evidence suggests that older adults have a higher requirement than young...
10.
Szwiega S, Pencharz P, Ball R, Xu L, Kong D, Elango R, et al.
J Nutr
. 2023 Apr;
153(7):2016-2026.
PMID: 37004875
Background: The indicator amino acid oxidation (IAAO) method is minimally invasive; therefore, it is applicable to study the amino acid (AA) requirements of individuals in various age groups. However, the...