Search Results - "Hooff, Gero P"
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Regulation of the brain isoprenoids farnesyl- and geranylgeranylpyrophosphate is altered in male Alzheimer patients
Published in Neurobiology of disease (01-08-2009)“…Abstract Post-translational modification of small GTPases by farnesyl- (FPP) and geranylgeranylpyrophosphate (GGPP) has generated much attention due to their…”
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Analytical investigations of toxic p-phenylenediamine (PPD) levels in clinical urine samples with special focus on MALDI-MS/MS
Published in PloS one (04-08-2011)“…Para-phenylenediamine (PPD) is a common chromophoric ingredient in oxidative hair-dyes. In some African countries like Sudan, Egypt and Morocco but also in…”
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3
Modulation of Cholesterol, Farnesylpyrophosphate, and Geranylgeranylpyrophosphate in Neuroblastoma SH-SY5Y-APP695 Cells: Impact on Amyloid Beta-Protein Production
Published in Molecular neurobiology (01-06-2010)“…There is keen interest in the role of the isoprenoids farnesylpyrophosphate (FPP) and geranylgeranylpyrophosphate (GGPP) in protein prenylation and cell…”
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State-of-the-art dried blood spot analysis: an overview of recent advances and future trends
Published in Bioanalysis (01-09-2013)“…Dried blood spots have become a popular method in a variety of micro blood-sampling techniques in the life sciences sector, consequently competing with the…”
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Characterization of β-Lactamase Enzyme Activity in Bacterial Lysates using MALDI-Mass Spectrometry
Published in Journal of proteome research (01-01-2012)“…Plasmid-encoded β-lactamases are a major reason for antibiotic resistance in Gram negative bacteria. These enzymes hydrolyze the β-lactam ring structure of…”
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Dried matrix on paper disks: the next generation DBS microsampling technique for managing the hematocrit effect in DBS analysis
Published in Bioanalysis (01-08-2012)“…The hematocrit effect is a hurdle for successful introduction of the dried blood spot (DBS) in a regulated environment. Recently, attempts were taken to…”
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Brain Isoprenoids Farnesyl Pyrophosphate and Geranylgeranyl Pyrophosphate are Increased in Aged Mice
Published in Molecular neurobiology (01-08-2012)“…The mevalonate/isoprenoids/cholesterol pathway has a fundamental role in the brain. Increasing age could be associated with specific changes in mevalonate…”
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Isoprenoids, small GTPases and Alzheimer's disease
Published in Biochimica et biophysica acta (01-08-2010)“…The mevalonate pathway is a crucial metabolic pathway for most eukaryotic cells. Cholesterol is a highly recognized product of this pathway but growing…”
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rapid and sensitive assay for determining human brain levels of farnesyl-(FPP) and geranylgeranylpyrophosphate (GGPP) and transferase activities using UHPLC-MS/MS
Published in Analytical and bioanalytical chemistry (01-10-2010)“…The isoprenoids farnesyl-(FPP) and geranylgeranylpyrophosphate (FPP and GGPP) are two major lipid intermediates in the mevalonate pathway. They participate in…”
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Dried blood spot UHPLC-MS/MS analysis of oseltamivir and oseltamivircarboxylate—a validated assay for the clinic
Published in Analytical and bioanalytical chemistry (01-07-2011)“…The neuraminidase inhibitor oseltamivir (Tamiflu®) is currently the first-line therapy for patients with influenza virus infection. Common analysis of the…”
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Isoprenoid quantitation in human brain tissue: a validated HPLC-fluorescence detection method for endogenous farnesyl- (FPP) and geranylgeranylpyrophosphate (GGPP)
Published in Analytical and bioanalytical chemistry (01-10-2008)“…Farnesyl- and geranylgeranylpyrophosphate (FPP and GGPP) are isoprenoid intermediates in the mevalonate pathway. They play a crucial role in cell survival,…”
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Incurred sample reanalysis comparison of dried blood spots and plasma samples on the measurement of lopinavir in clinical samples
Published in Bioanalysis (01-02-2012)“…Undoubtedly, incurred sample reanalysis (ISR) will become an integral part of regulated bioanalysis of dried blood spot (DBS) samples. In this article, we…”
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Brain Isoprenoids Farnesyl Pyrophosphate and Geranylgeranyl Pyrophosphate are Increased in Aged Mice
Published in Molecular neurobiology (01-08-2012)Get full text
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14
Analytical Investigations of Toxic p-Phenylenediamine
Published in PloS one (04-08-2011)“…Para-phenylenediamine (PPD) is a common chromophoric ingredient in oxidative hair-dyes. In some African countries like Sudan, Egypt and Morocco but also in…”
Get full text
Journal Article -
15
A rapid and sensitive assay for determining human brain levels of farnesyl- and transferase activities using UHPLC-MS/MS
Published in Analytical and bioanalytical chemistry (15-10-2010)“…The isoprenoids farnesyl-(FPP) and geranylgeranyl-pyrophosphate (FPP and GGPP) are two major lipid inter-mediates in the mevalonate pathway. They participate…”
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