Marcel Grapp
Overview
Explore the profile of Marcel Grapp including associated specialties, affiliations and a list of published articles.
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Articles
13
Citations
364
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Recent Articles
1.
Grapp M, Kaufmann C, Schwelm H, Neukamm M
J Anal Toxicol
. 2022 Aug;
47(2):162-174.
PMID: 35921233
α-Pyrrolidinohexiophenone (α-PHP) is a derivative of the class of α-pyrrolidinophenones, a subgroup of synthetic cathinones. These substances are the second most abused drugs of new psychoactive substances. Here, we report...
2.
Grapp M, Kaufmann C, Schwelm H, Neukamm M, Blaschke S, Eidizadeh A
Drug Test Anal
. 2020 Jun;
12(9):1320-1335.
PMID: 32476242
Among the increasing number of new psychoactive substances, 3',4'-methylenedioxy-α-pyrrolidinohexanophenone (MDPHP) belongs to the group of synthetic cathinones, which are the derivatives of the naturally occurring compound cathinone, the main psychoactive...
3.
Muller D, Neurath H, Neukamm M, Wilde M, Despicht C, Blaschke S, et al.
Clin Toxicol (Phila)
. 2019 Feb;
57(9):806-812.
PMID: 30775936
: Fentanyl derivatives like cyclopropylfentanyl have recently appeared on the recreational drug market. Cyclopropylfentanyl is probably a highly potent opioid, but human toxicological data are not available so far. Similar...
4.
Grapp M, Kaufmann C, Streit F, Binder L
Forensic Sci Int
. 2018 Apr;
287:63-73.
PMID: 29649771
Comprehensive screening procedures for psychoactive agents in body fluids are an essential task in clinical and forensic toxicology. With the continuous emergence and adaption of new psychoactive substances (NPS) keeping...
5.
Grapp M, Kaufmann C, Ebbecke M
Forensic Sci Int
. 2017 Feb;
273:1-9.
PMID: 28187296
3,4-methylenedioxypyrovalerone (MDPV) is a synthetic cathinone belonging to the class of α-pyrrolidinophenones that become increasingly popular as a designer psychostimulant. Here, we report a comprehensive collection of MDPV exposure with...
6.
Grapp M, Sauer C, Vidal C, Muller D
Forensic Sci Int
. 2016 Jan;
259:e14-9.
PMID: 26775198
α-Pyrrolidinovalerophenone (α-PVP) is a synthetic cathinone belonging to the group of "second generation" pyrrolidinophenones that becomes more and more popular as a designer psychostimulant. Here we provide toxicological analytical support...
7.
Grapp M, Maurer H, Desel H
Drug Test Anal
. 2015 Sep;
8(8):816-25.
PMID: 26333204
Non-targeted screening of body fluids for psychoactive agents is an essential task for forensic toxicology. The challenge is the identification of xenobiotics of interest from background noise and endogenous matrix...
8.
Grapp M, Wrede A, Schweizer M, Huwel S, Galla H, Snaidero N, et al.
Nat Commun
. 2013 Jul;
4:2123.
PMID: 23828504
Loss of folate receptor-α function is associated with cerebral folate transport deficiency and childhood-onset neurodegeneration. To clarify the mechanism of cerebral folate transport at the blood-cerebrospinal fluid barrier, we investigate...
9.
Thorn A, Steinfeld R, Ziegenbein M, Grapp M, Hsiao H, Urlaub H, et al.
Nucleic Acids Res
. 2012 Jun;
40(17):8733-42.
PMID: 22735700
Mutations in the gene of human RNase T2 are associated with white matter disease of the human brain. Although brain abnormalities (bilateral temporal lobe cysts and multifocal white matter lesions)...
10.
Welte C, Kallnik V, Grapp M, Bender G, Ragsdale S, Deppenmeier U
J Bacteriol
. 2009 Dec;
192(3):674-8.
PMID: 19948802
Reduced ferredoxin is an intermediate in the methylotrophic and aceticlastic pathway of methanogenesis and donates electrons to membrane-integral proteins, which transfer electrons to the heterodisulfide reductase. A ferredoxin interaction has...