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blood phenylalanine measurement by Guthrie microbiologic assay

Known as: phenylalanine test, Guthrie test, Phenylalanine Measurement 
The measurement of the amount of phenylalanine in a biologic specimen.
National Institutes of Health

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9 relations
Amino acids measurementCDISC SDTM Laboratory Test Terminology by CodeCDISC SDTM Laboratory Test Terminology by NameCOLUMN OR PAPER CHROMATOGRAPHY PLUS NINHYDRIN, PHENYLALANINE

Broader (1)

Hematologic Tests

Papers overview

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Highly Cited
2013
Highly Cited
2013
18F-FDOPA PET/CT for detection of recurrence in patients with glioma: prospective comparison with 18F-FDG PET/CT
PurposeDifferentiation between recurrence and radiation necrosis in patients with glioma is crucial, since the two entities have… 
Highly Cited
2012
Highly Cited
2012
Measuring in vivo tumor pHe with CEST‐FISP MRI
Paramagnetic chemical exchange saturation transfer (PARACEST) MRI contrast agents have been developed that can measure pH in… 
Review
2009
Review
2009
Neuropsychological speed tests and blood phenylalanine levels in patients with phenylketonuria: A meta-analysis
Highly Cited
2007
Highly Cited
2007
Efficacy of sapropterin dihydrochloride (tetrahydrobiopterin, 6R-BH4) for reduction of phenylalanine concentration in patients with phenylketonuria: a phase III randomised placebo-controlled study
Highly Cited
2005
Highly Cited
2005
Diffusivity of solutes measured in glass capillaries using Taylor's analysis of dispersion and a commercial CE instrument.
We present a strategy for the rapid, efficient, and accurate measurement of the coefficient of diffusion (D) of solutes using a… 
Highly Cited
2001
Highly Cited
2001
Normal Clinical Outcome in Untreated Subjects with Mild Hyperphenylalaninemia
There is international consensus that patients with phenylalanine (Phe) levels <360 μM on a free diet do not need Phe-lowering… 
Highly Cited
2000
Highly Cited
2000
Temperature-dependent changes in physiologic parameters of spontaneous canine soft tissue sarcomas after combined radiotherapy and hyperthermia treatment.
Highly Cited
1987
Highly Cited
1987
An isotopic method for measurement of muscle protein synthesis and degradation in vivo.
In eight anaesthetized post-absorptive dogs we measured the concentration and specific radioactivity of phenylalanine and leucine… 
Review
1980
Review
1980
Maternal phenylketonuria and hyperphenylalaninemia. An international survey of the outcome of untreated and treated pregnancies.
Since many women with phenylketonuria (PKU) will have children of their own, we were interested in ascertaining the effect of… 
Highly Cited
1964
Highly Cited
1964
MICROMETHODS FOR MEASURING PHENYLALANINE AND TYROSINE IN SERUM.
Spectrophotofluorometric micromethods for the determination of phenylalanine and tyrosine on 25 µl of serum are described. These… 
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