Methods To address these aims we performed a key word search of the PubMed and
MEDLINE online databases in conjunction with individual manual searches to gather …

Monitoring of patients with inherited metabolic disorders (IMDs) using dried blood spot
(DBS) specimens has been routinely used since the inception of newborn screening (NBS) …

Developing high-performance sensing materials for the sensitive detection of methylmalonic
acid (MMA) in biological samples is pretty important for the early diagnosis, recognition and …

Background/Aims Normal or high serum vitamin B-12 levels can sometimes be seen in a B-
12 deficient state, and can therefore be misleading. High levels of Methymalonic Acid (MMA) …

Abstract Background: Among Canadian women of reproductive age, 5% and 20% have
serum vitamin B-12 concentrations indicative of deficiency (< 148 pmol/L) and marginal …

Background and aims Increased propionylcarnitine levels in newborn screening are
indicative for a group of potentially severe disorders including propionic acidemia (PA) …

Methylmalonic acid (MMA) as a functional marker of vitamin B12 deficiency has attracted
extensive attention. However, the highly selective and sensitive detection of MMA in a …

Biomarkers of nutrient intake or nutrient status are important objective measures of
foods/nutrients as one of the most important environmental factors people are exposed to. It …

Vitamin B12 deficiency is a common complication in patients after gastrectomy. Elevated
methylmalonic acid (MMA) and homocysteine are better indications of vitamin B12 …

Molecularly imprinted allyl trimethoxysilane–grafted-graphene oxide/gold nano particle co
polymerised with-allyl amine (AA)/2-aminoethyl methacrylate hydrochloride (AEMA) polymer …