Heldur Hakk
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Explore the profile of Heldur Hakk including associated specialties, affiliations and a list of published articles.
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54
Citations
298
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Recent Articles
1.
Lupton S, Pfaff C, Singh A, Chakrabarty S, Hakk H
Environ Res
. 2022 Nov;
218:114853.
PMID: 36403649
Hexabromocyclododecane (HBCD) is a brominated flame retardant (BFR) labeled by the Stockholm Convention as a persistent organic pollutant (POP) and exists primarily as three stereoisomers, i.e. α-, β-, and γ....
2.
Lupton S, Casey F, Smith D, Hakk H
J Food Prot
. 2021 Sep;
85(1):164-172.
PMID: 34591092
Abstract: Perfluorooctanoic acid (PFOA) is used as a surfactant in consumer and industrial products and is frequently found in biosolids from wastewater treatment plants. When present in biosolids applied to...
3.
Hakk H, Pfaff C, Lupton S, Singh A
Xenobiotica
. 2020 Dec;
51(3):335-344.
PMID: 33287643
Polybrominated diphenyl ethers (PBDEs) levels in environmental matrices have generally declined following their phaseout as flame retardants. The objective of this study was to determine the absorption, distribution, metabolism, and...
4.
Lupton S, Hakk H
J Food Prot
. 2020 Nov;
84(4):688-694.
PMID: 33232461
Abstract: Perfluorooctanoic acid (PFOA) is a perfluorinated alkyl substance used as a surfactant in a wide variety of industrial and consumer products. Over the past decade, concern has increased over...
5.
Casey F, Hakk H, DeSutter T
Environ Pollut
. 2019 Nov;
256:113384.
PMID: 31677876
Although livestock manure, such as from swine (Sus scrofa domestica), have high capacity to introduce endocrine-disrupting free estrogens into the environment, the frequency of estrogen detections from reconnaissance studies suggest...
6.
Singh A, Hakk H, Lupton S
Chemosphere
. 2019 Sep;
239:124626.
PMID: 31518918
Polybrominated dibenzo-p-dioxins (PBDDs) and mixed bromo/chloro dibenzo-p-dioxins (PXDDs) are persistent organic pollutants that can possess the same toxicity as their fully chlorinated analogs (PCDDs) and have been identified in the...
7.
Shelver W, Lupton S, Shappell N, Smith D, Hakk H
ACS Omega
. 2019 Aug;
3(8):8697-8708.
PMID: 31459001
The distribution of 12 environmental contaminants or metabolites with diverse polarities (2,2',4,4',5-pentabromodiphenyl ether; bisphenol A; estrone; glyphosate; β-hexabromocyclododecane; imidacloprid; 2,3',4,4',5-pentachlorobiphenyl; 3'-methylsulfone 2,2',4,5,5'-pentachlorobiphenyl; 1,2,7,8-tetrachlorodibenzo--dioxin; 2-hydroxy-1,3,7,8-tetrachlorodibenzo--dioxin; tetrabromobisphenol A; and triclocarban) among skim...
8.
Chakrabarty S, Shelver W, Hakk H, Smith D
J Agric Food Chem
. 2018 Oct;
66(41):10871-10880.
PMID: 30295475
Ambient ionization mass spectrometric methods including desorption electrospray ionization (DESI) and atmospheric solid analysis probe (ASAP) have great potential for applications requiring real-time screening of target molecules in complex matrixes....
9.
Singh A, Hakk H, Lupton S
J Labelled Comp Radiopharm
. 2017 Dec;
61(4):386-390.
PMID: 29274290
Metabolism, environmental fate, and low concentration food residue studies would be facilitated by the use of radiolabeled test articles that can be readily quantified within complex matrices. However, radiochemical approaches...
10.
Lupton S, Shappell N, Shelver W, Hakk H
J Agric Food Chem
. 2017 Dec;
66(1):306-314.
PMID: 29271654
The distributions of eight drugs (acetaminophen, acetylsalicylic acid/salicylic acid, ciprofloxacin, clarithromycin, flunixin, phenylbutazone, praziquantel, and thiamphenicol) were determined in milk products (skim milk, milk fat, curd, whey, and whey protein)...