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Daniel Eichner

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Articles 57
Citations 836
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Recent Articles
1.
Miller G, Goodrum J, Flores A, Crouch A, Eichner D
Drug Test Anal . 2024 Nov; PMID: 39552447
Erythropoietin receptor agonist (ERA) testing for antidoping can be achieved in both urine and blood samples. Recent published work showed the comparability between the two matrices and focused on detectability...
2.
Huynh H, Barahona-Carrillo L, Moncrieffe D, Cowan D, Forrest K, Becker J, et al.
Drug Test Anal . 2024 Oct; PMID: 39462787
The amino-terminal propeptide of type III procollagen (P-III-NP) is used with IGF-I to detect the illicit use of growth hormone and to monitor growth hormone therapy. However, the only currently...
3.
Nair V, Hanelli F, Moore C, Goodrum J, Miller G, Crouch A, et al.
Drug Test Anal . 2024 Sep; PMID: 39279029
The applicability of urinary minimum reporting limits (MRLs) to determine in-competition use of prohibited substances is an evolving topic. Most stimulants are subject to a universal MRL, despite the wide...
4.
Goodrum J, Peek K, Moore C, Eichner D, Miller G
Drug Test Anal . 2024 May; PMID: 38794805
The monitoring of endogenous steroids in urine has been an important component of the Athlete Biological Passport (ABP) for the last decade. Recently, the quantitation of endogenous steroids in blood...
5.
Miller G, Goodrum J, Crouch A, Eichner D
Drug Test Anal . 2024 May; PMID: 38785206
The instability of erythropoietin receptor agonists (ERAs, i.e., EPO) in urine presents a challenge to their detectability in doping control samples; however, this issue is not often seen in blood...
6.
Nair V, Heybroek M, Boyle E, Rogers M, Campbell T, Eichner D, et al.
Drug Test Anal . 2024 Jan; 16(10):1122-1126. PMID: 38176407
Δ-Tetrahydrocannabinol (Δ-THC) is usually the primary psychoactive agent in cannabis preparations. Recently, products containing another isomer, Δ-tetrahydrocannabinol (Δ-THC), have become available for sale. Δ-THC exists naturally in the cannabis plant...
7.
Goodrum J, Moore C, Crouch A, Eichner D, Miller G
Drug Test Anal . 2023 Sep; 15(11-12):1371-1381. PMID: 37749856
The Athlete Biological Passport (ABP) is a longitudinal tool used in anti-doping to monitor biological parameters known to change with performance-enhancing drug use. The ABP consists of multiple modules, including...
8.
Euler L, Murdter T, Heinkele G, Schwab M, Miller G, Eichner D, et al.
Rapid Commun Mass Spectrom . 2023 Aug; 37(17):e9599. PMID: 37580503
Methods: (E/Z)-3'-HC and (E/Z)-4'-HC were synthesized involving the McMurry reaction. An ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was developed and optimized after a derivatization step with dansyl chloride to...
9.
Wasserman E, Sills A, Martins D, Casolaro A, Walton P, Anderson D, et al.
J Med Virol . 2023 Aug; 95(8):e28999. PMID: 37554019
This study (1) determined the association of time since initial vaccine regimen, booster dose receipt, and COVID-19 history with antibody titer, as well as change in titer levels over a...
10.
Goodrum J, Nair V, Moore C, Crouch A, Eichner D, Miller G
Clin Chem . 2023 May; 69(7):754-762. PMID: 37253044
Background: Human chorionic gonadotropin (hCG) detection is indicative of pregnancy and can be indicative of some forms of cancerous tumors. The hCG drug itself, however, is a performance enhancing substance...