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Showing 1 to 12 of 3156 entries
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T-cell Receptor and K-deleting Recombination Excision Circles in Newborn Screening of T- and B-cell Defects: Review of the Literature and Future Challenges.

Journal of public health research

Chiarini M, Zanotti C, Serana F, Sottini A, Bertoli D, Caimi L, Imberti L.
PMID: 25170474
J Public Health Res. 2013 May 01;2(1):9-16. doi: 10.4081/jphr.2013.e3. eCollection 2013 Apr 28.

Since its introduction as a public health programme in the United States in the early 1960s, newborn blood screening (NBS) has evolved from the detection of phenylalanine levels on filter paper to the application of DNA-based technologies to identify...

Amino acids inhibit kynurenic acid formation via suppression of kynurenine uptake or kynurenic acid synthesis in rat brain in vitro.

SpringerPlus

Sekine A, Okamoto M, Kanatani Y, Sano M, Shibata K, Fukuwatari T.
PMID: 25674503
Springerplus. 2015 Feb 01;4:48. doi: 10.1186/s40064-015-0826-9. eCollection 2015.

The tryptophan metabolite, kynurenic acid (KYNA), is a preferential antagonist of the α7 nicotinic acetylcholine receptor at endogenous brain concentrations. Recent studies have suggested that increase of brain KYNA levels is involved in psychiatric disorders such as schizophrenia and...

Treatment Adherence and Psychological Wellbeing in Maternal Carers of Children with Phenylketonuria (PKU).

JIMD reports

Medford E, Hare DJ, Carpenter K, Rust S, Jones S, Wittkowski A.
PMID: 28382600
JIMD Rep. 2017;37:107-114. doi: 10.1007/8904_2017_23. Epub 2017 Apr 06.

Phenylketonuria (PKU), a rare metabolic disorder, causes cognitive impairment unless treated with a strict, protein-restricted diet, but few studies have examined the relationship between treatment compliance and parental wellbeing. In the present study, 46 primary caregivers of children with...

Hierarchical Analysis of Self-Assembled PEGylated Hexaphenylalanine Photoluminescent Nanostructures.

Chemistry (Weinheim an der Bergstrasse, Germany)

Diaferia C, Sibillano T, Balasco N, Giannini C, Roviello V, Vitagliano L, Morelli G, Accardo A.
PMID: 27706842
Chemistry. 2016 Nov 07;22(46):16586-16597. doi: 10.1002/chem.201604107. Epub 2016 Oct 05.

Despite the growing literature about diphenylalanine-based peptide materials, it still remains a challenge to delineate the theoretical insight into peptide nanostructure formation and the structural features that could permit materials with enhanced properties to be engineered. Herein, we report...

Coomassie Brilliant Blue G-250 Dye: An Application for Forensic Fingerprint Analysis.

Analytical chemistry

Brunelle E, Le AM, Huynh C, Wingfield K, Halámková L, Agudelo J, Halámek J.
PMID: 28293949
Anal Chem. 2017 Apr 04;89(7):4314-4319. doi: 10.1021/acs.analchem.7b00510. Epub 2017 Mar 24.

The Bradford reagent, comprised of the Coomassie Brilliant Blue G-250 dye, methanol, and phosphoric acid, has been traditionally used for quantifying proteins. Use of this reagent in the Bradford assay relies on the binding of the Coomassie Blue G-250...

Application of Pre-Column Labeling Liquid Chromatography for Canine Plasma-Free Amino Acid Analysis.

Metabolites

Azuma K, Hirao Y, Hayakawa Y, Murahata Y, Osaki T, Tsuka T, Imagawa T, Okamoto Y, Ito N.
PMID: 26771650
Metabolites. 2016 Jan 12;6(1). doi: 10.3390/metabo6010003.

Plasma-free amino acid (PFAA) levels are a useful metric for diagnosing cancer and providing a prognosis. However, the use of analysis of PFAA levels has been limited in the veterinary medicine field. We addressed the application of liquid chromatography...

Physiological Competition of Brain Phenylalanine Accretion: Initial Pharmacokinetic Analyses of Aminoisobutyric and Methylaminoisobutyric Acids in .

Molecular genetics and metabolism reports

Vogel KR, Ainslie GR, Phillips B, Arning E, Bottiglieri T, Shen DD, Gibson KM.
PMID: 26120559
Mol Genet Metab Rep. 2015 Jun 01;3:80-87. doi: 10.1016/j.ymgmr.2015.03.009.

OBJECTIVE: Initial studies on the use of non-physiological amino acids (NPAAs) to block the accretion of Phe in the brain METHODS: Control and RESULTS: MAIB was partially converted to AIB CONCLUSIONS: Our data support further pharmacokinetic characterization of MAIB...

Newborn Screening for Vitamin B.

JIMD reports

Okun JG, Gan-Schreier H, Ben-Omran T, Schmidt KV, Fang-Hoffmann J, Gramer G, Abdoh G, Shahbeck N, Al Rifai H, Al Khal AL, Haege G, Chiang CC, Kasper DC, Wilcken B, Burgard P, Hoffmann GF.
PMID: 27325427
JIMD Rep. 2017;32:87-94. doi: 10.1007/8904_2016_556. Epub 2016 Jun 21.

BACKGROUND: In classical homocystinuria (HCU, MIM# 236200) due to the deficiency of cystathionine β-synthase (EC 4.2.1.22) there is a clear evidence for the success of early treatment. The aim of this study was to develop and evaluate a two-tier...

Improved gate effect enantioselectivity of phenylalanine-imprinted polymers in water by blending crosslinkers.

Analytica chimica acta

Yoshimi Y, Ishii N.
PMID: 25682431
Anal Chim Acta. 2015 Mar 03;862:77-85. doi: 10.1016/j.aca.2015.01.001. Epub 2015 Jan 03.

In this work, the anodic current at an electrode grafted with a molecularly imprinted polymer (MIP) crosslinked via a combination of hydrophobic ethyleneglycol dimethacrylate (EDMA) and hydrophilic methylene bisacrylamide (MBAA) was found to exhibit enantioselective sensitivity to the phenylalanine...

Analysis on the metabolite composition of serum samples from patients with papillary thyroid carcinoma using nuclear magnetic resonance.

International journal of clinical and experimental medicine

Zhao WX, Wang B, Zhang LY, Yan SY, Yang YH.
PMID: 26770396
Int J Clin Exp Med. 2015 Oct 15;8(10):18013-22. eCollection 2015.

OBJECTIVE: Analysis of the metabolic differences among the papillary thyroid carcinoma (group T) patients, benign thyroid tumor patients (group B) and healthy controls (group H) by nuclear magnetic resonance hydrogen spectrum.METHODS: collect twenty serum specimens each from group T,...

Asymmetric dual catalysis via fragmentation of a single rhodium precursor complex.

Chemical communications (Cambridge, England)

Song L, Gong L, Meggers E.
PMID: 27231188
Chem Commun (Camb). 2016 Jun 08;52(49):7699-702. doi: 10.1039/c6cc03157a.

A strategy for dual transition metal catalysis and organocatalysis is reported via the in situ disintegration of a single rhodium complex. The hereby generated chiral Lewis acid and l-β-phenylalanine synergistically catalyze the Michael addition of α,α-disubstituted aldehydes to α,β-unsaturated...

Construction and application of a new dual-hybrid random phase approximation.

Journal of chemical theory and computation

Mezei PD, Csonka GI, Ruzsinszky A, Kállay M.
PMID: 26574252
J Chem Theory Comput. 2015 Oct 13;11(10):4615-26. doi: 10.1021/acs.jctc.5b00420. Epub 2015 Sep 11.

The direct random phase approximation (dRPA) combined with Kohn-Sham reference orbitals is among the most promising tools in computational chemistry and applicable in many areas of chemistry and physics. The reason for this is that it scales as N(4)...

Showing 1 to 12 of 3156 entries