John C Phuka
Overview
Explore the profile of John C Phuka including associated specialties, affiliations and a list of published articles.
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17
Citations
289
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Recent Articles
1.
Joy E, Kalimbira A, Sturgess J, Banda L, Chiutsi-Phiri G, Manase H, et al.
Front Nutr
. 2022 Jan;
8:788096.
PMID: 35071297
Selenium deficiency is widespread in the Malawi population. The selenium concentration in maize, the staple food crop of Malawi, can be increased by applying selenium-enriched fertilizers. It is unknown whether...
2.
Likoswe B, Joy E, Sandalinas F, Filteau S, Maleta K, Phuka J
Nutrients
. 2021 Apr;
13(3).
PMID: 33807563
Retinol Binding Protein (RBP) is responsible for the transport of serum retinol (SR) to target tissue in the body. Since RBP is relatively easy and cheap to measure, it is...
3.
Thakwalakwa C, Flax V, Phuka J, Garcia H, Jaacks L
PLoS One
. 2020 Dec;
15(12):e0243721.
PMID: 33332387
To address the increase in overweight and obesity among mothers and children in sub-Saharan Africa, an understanding of the factors that drive their food consumption is needed. We hypothesized food...
4.
Flax V, Thakwalakwa C, Schnefke C, Phuka J, Jaacks L
Appetite
. 2020 Sep;
156:104855.
PMID: 32877746
As overweight/obesity prevalence increases in sub-Saharan Africa, information is needed about factors influencing food purchases in households with overweight members. This study assessed food purchasing decisions of Malawian mothers with...
5.
Flax V, Thakwalakwa C, Phuka J, Jaacks L
Matern Child Nutr
. 2020 Jul;
16(4):e13024.
PMID: 32638514
Overweight in mothers and children in sub-Saharan Africa is rapidly increasing and may be related to body size perceptions and preferences. We enrolled 268 mother-child (6-59 months) pairs in central...
6.
Likoswe B, Phiri F, Broadley M, Joy E, Patson N, Maleta K, et al.
Nutrients
. 2020 May;
12(6).
PMID: 32471229
Serum zinc concentration (SZC) is used widely to assess population-level zinc status. Its concentration decreases during inflammatory responses, which can affect the interpretation of the results. This study aimed to...
7.
Joy E, Kalimbira A, Gashu D, Ferguson E, Sturgess J, Dangour A, et al.
Trials
. 2020 Jan;
20(1):795.
PMID: 31888766
Background: Micronutrient deficiencies including selenium (Se) are widespread in Malawi and potentially underlie a substantial disease burden, particularly among poorer and marginalised populations. Concentrations of Se in staple cereal crops...
8.
Phiri F, Ander E, Lark R, Bailey E, Chilima B, Gondwe J, et al.
Environ Int
. 2019 Nov;
134:105218.
PMID: 31715489
Plasma selenium (Se) concentration is an established population level biomarker of Se status, especially in Se-deficient populations. Previously observed correlations between dietary Se intake and urinary Se excretion suggest that...
9.
Flax V, Thakwalakwa C, Schnefke C, Stobaugh H, Phuka J, Coates J, et al.
Public Health Nutr
. 2019 Sep;
22(17):3140-3150.
PMID: 31496453
Objective: To validate digitally displayed photographic portion-size estimation aids (PSEA) against a weighed meal record and compare findings with an atlas of printed photographic PSEA and actual prepared-food PSEA in...
10.
Phiri F, Ander E, Bailey E, Chilima B, Chilimba A, Gondwe J, et al.
Sci Rep
. 2019 Apr;
9(1):6566.
PMID: 31024041
Selenium (Se) is an essential human micronutrient. Deficiency of Se decreases the activity of selenoproteins and can compromise immune and thyroid function and cognitive development, and increase risks from non-communicable...