Published in PLoS One on April 30, 2008
A complex interplay of three R2R3 MYB transcription factors determines the profile of aliphatic glucosinolates in Arabidopsis. Plant Physiol (2010) 1.43
Arabidopsis basic helix-loop-helix transcription factors MYC2, MYC3, and MYC4 regulate glucosinolate biosynthesis, insect performance, and feeding behavior. Plant Cell (2013) 1.37
Genomic analysis of QTLs and genes altering natural variation in stochastic noise. PLoS Genet (2011) 1.36
Disruption of adenosine-5'-phosphosulfate kinase in Arabidopsis reduces levels of sulfated secondary metabolites. Plant Cell (2009) 1.32
Metabolic and transcriptomic changes induced in Arabidopsis by the rhizobacterium Pseudomonas fluorescens SS101. Plant Physiol (2012) 1.29
Network quantitative trait loci mapping of circadian clock outputs identifies metabolic pathway-to-clock linkages in Arabidopsis. Plant Cell (2011) 1.24
Using knockout mutants to reveal the growth costs of defensive traits. Proc Biol Sci (2011) 1.18
Ecological genomics of Boechera stricta: identification of a QTL controlling the allocation of methionine- vs branched-chain amino acid-derived glucosinolates and levels of insect herbivory. Heredity (Edinb) (2009) 1.17
Mining the plant-herbivore interface with a leafmining Drosophila of Arabidopsis. Mol Ecol (2010) 1.15
Omics-based approaches to methionine side chain elongation in Arabidopsis: characterization of the genes encoding methylthioalkylmalate isomerase and methylthioalkylmalate dehydrogenase. Plant Cell Physiol (2009) 1.07
A novel 2-oxoacid-dependent dioxygenase involved in the formation of the goiterogenic 2-hydroxybut-3-enyl glucosinolate and generalist insect resistance in Arabidopsis,. Plant Physiol (2008) 1.02
MetAlign 3.0: performance enhancement by efficient use of advances in computer hardware. Metabolomics (2011) 1.01
An ecological genomic approach challenging the paradigm of differential plant responses to specialist versus generalist insect herbivores. Oecologia (2011) 1.00
Whole genome and tandem duplicate retention facilitated glucosinolate pathway diversification in the mustard family. Genome Biol Evol (2013) 0.98
Natural genetic variation in Arabidopsis thaliana defense metabolism genes modulates field fitness. Elife (2015) 0.97
Metabolome-genome-wide association study dissects genetic architecture for generating natural variation in rice secondary metabolism. Plant J (2014) 0.95
Differential Contribution of Transcription Factors to Arabidopsis thaliana Defense Against Spodoptera littoralis. Front Plant Sci (2013) 0.93
Cytochrome P450 CYP78A9 is involved in Arabidopsis reproductive development. Plant Physiol (2013) 0.90
Verticillium longisporum infection induces organ-specific glucosinolate degradation in Arabidopsis thaliana. Front Plant Sci (2015) 0.90
The effects of glucosinolates and their breakdown products on necrotrophic fungi. PLoS One (2013) 0.90
Four genes encoding MYB28, a major transcriptional regulator of the aliphatic glucosinolate pathway, are differentially expressed in the allopolyploid Brassica juncea. J Exp Bot (2013) 0.90
The impact of the absence of aliphatic glucosinolates on water transport under salt stress in Arabidopsis thaliana. Front Plant Sci (2015) 0.88
Reciprocal responses in the interaction between Arabidopsis and the cell-content-feeding chelicerate herbivore spider mite. Plant Physiol (2013) 0.88
Searching iron sensors in plants by exploring the link among 2'-OG-dependent dioxygenases, the iron deficiency response and metabolic adjustments occurring under iron deficiency. Front Plant Sci (2013) 0.88
Hierarchical nuclear and cytoplasmic genetic architectures for plant growth and defense within Arabidopsis. Plant Cell (2013) 0.88
Glucose signalling positively regulates aliphatic glucosinolate biosynthesis. J Exp Bot (2013) 0.88
Promoter-based integration in plant defense regulation. Plant Physiol (2014) 0.86
The influence of metabolically engineered glucosinolates profiles in Arabidopsis thaliana on Plutella xylostella preference and performance. Chemoecology (2009) 0.82
bHLH05 is an interaction partner of MYB51 and a novel regulator of glucosinolate biosynthesis in Arabidopsis. Plant Physiol (2014) 0.82
Plant defence responses in oilseed rape MINELESS plants after attack by the cabbage moth Mamestra brassicae. J Exp Bot (2015) 0.81
The conserved transcription factors, MYB115 and MYB118, control expression of the newly evolved benzoyloxy glucosinolate pathway in Arabidopsis thaliana. Front Plant Sci (2015) 0.81
Differential responses of two broccoli (Brassica oleracea L. var Italica) cultivars to salinity and nutritional quality improvement. ScientificWorldJournal (2012) 0.81
Involvement of the electrophilic isothiocyanate sulforaphane in Arabidopsis local defense responses. Plant Physiol (2014) 0.81
Proteomic identification of MYC2-dependent jasmonate-regulated proteins in Arabidopsis thaliana. Proteome Sci (2012) 0.78
Analysis of the arabidopsis REM gene family predicts functions during flower development. Ann Bot (2014) 0.78
DELLA proteins modulate Arabidopsis defences induced in response to caterpillar herbivory. J Exp Bot (2014) 0.78
Toward genome-wide metabolotyping and elucidation of metabolic system: metabolic profiling of large-scale bioresources. J Plant Res (2010) 0.77
Jasmonate response decay and defense metabolite accumulation contributes to age-regulated dynamics of plant insect resistance. Nat Commun (2017) 0.76
The Defense Metabolite, Allyl Glucosinolate, Modulates Arabidopsis thaliana Biomass Dependent upon the Endogenous Glucosinolate Pathway. Front Plant Sci (2016) 0.76
Genome Wide Association Mapping in Arabidopsis thaliana Identifies Novel Genes Involved in Linking Allyl Glucosinolate to Altered Biomass and Defense. Front Plant Sci (2016) 0.76
The Transcription Factor MYB29 Is a Regulator of ALTERNATIVE OXIDASE1a. Plant Physiol (2017) 0.75
Two Novel Flavin-Containing Monooxygenases Involved in Biosynthesis of Aliphatic Glucosinolates. Front Plant Sci (2016) 0.75
Effect of Drought on Herbivore-Induced Plant Gene Expression: Population Comparison for Range Limit Inferences. Plants (Basel) (2016) 0.75
Reduction of antinutritional glucosinolates in Brassica oilseeds by mutation of genes encoding transporters. Nat Biotechnol (2017) 0.75
Analysis of the transgenerational iron deficiency stress memory in Arabidopsis thaliana plants. Front Plant Sci (2015) 0.75
Effect of atmospheric carbon dioxide levels and nitrate fertilization on glucosinolate biosynthesis in mechanically damaged Arabidopsis plants. BMC Plant Biol (2016) 0.75
NSP-Dependent Simple Nitrile Formation Dominates upon Breakdown of Major Aliphatic Glucosinolates in Roots, Seeds, and Seedlings of Arabidopsis thaliana Columbia-0. Front Plant Sci (2016) 0.75
MYB76 Inhibits Seed Fatty Acid Accumulation in Arabidopsis. Front Plant Sci (2017) 0.75
Transcriptome and Metabolome Analyses of Glucosinolates in Two Broccoli Cultivars Following Jasmonate Treatment for the Induction of Glucosinolate Defense to Trichoplusia ni (Hübner). Int J Mol Sci (2016) 0.75
Regulation of plant secondary metabolism and associated specialized cell development by MYBs and bHLHs. Phytochemistry (2016) 0.75
Jasmonic Acid and Ethylene Signaling Pathways Regulate Glucosinolate Levels in Plants During Rhizobacteria-Induced Systemic Resistance Against a Leaf-Chewing Herbivore. J Chem Ecol (2016) 0.75
Overexpression of Three Glucosinolate Biosynthesis Genes in Brassica napus Identifies Enhanced Resistance to Sclerotinia sclerotiorum and Botrytis cinerea. PLoS One (2015) 0.75
Arabidopsis myrosinases link the glucosinolate-myrosinase system and the cuticle. Sci Rep (2016) 0.75
Glucosinolates from Host Plants Influence Growth of the Parasitic Plant Cuscuta gronovii and Its Susceptibility to Aphid Feeding. Plant Physiol (2016) 0.75
Leaf and root glucosinolate profiles of Chinese cabbage (Brassica rapa ssp. pekinensis) as a systemic response to methyl jasmonate and salicylic acid elicitation. J Zhejiang Univ Sci B (2015) 0.75
Flowering Locus C (FLC) Is a Potential Major Regulator of Glucosinolate Content across Developmental Stages of Aethionema arabicum (Brassicaceae). Front Plant Sci (2017) 0.75
Analysis of relative gene expression data using real-time quantitative PCR and the 2(-Delta Delta C(T)) Method. Methods (2001) 414.27
The chemical diversity and distribution of glucosinolates and isothiocyanates among plants. Phytochemistry (2001) 6.35
Biology and biochemistry of glucosinolates. Annu Rev Plant Biol (2006) 6.34
The genetics of plant metabolism. Nat Genet (2006) 4.28
Omics-based identification of Arabidopsis Myb transcription factors regulating aliphatic glucosinolate biosynthesis. Proc Natl Acad Sci U S A (2007) 4.13
Genetic control of natural variation in Arabidopsis glucosinolate accumulation. Plant Physiol (2001) 4.07
Variation of glucosinolate accumulation among different organs and developmental stages of Arabidopsis thaliana. Phytochemistry (2003) 3.71
Cruciferous vegetables and human cancer risk: epidemiologic evidence and mechanistic basis. Pharmacol Res (2007) 3.43
Untargeted large-scale plant metabolomics using liquid chromatography coupled to mass spectrometry. Nat Protoc (2007) 3.41
Glucosinolate metabolism and its control. Trends Plant Sci (2006) 3.00
Comparative analysis of quantitative trait loci controlling glucosinolates, myrosinase and insect resistance in Arabidopsis thaliana. Genetics (2002) 2.50
The transcription factor HIG1/MYB51 regulates indolic glucosinolate biosynthesis in Arabidopsis thaliana. Plant J (2007) 2.28
The R2R3-MYB transcription factor HAG1/MYB28 is a regulator of methionine-derived glucosinolate biosynthesis in Arabidopsis thaliana. Plant J (2007) 2.14
Arabidopsis myrosinases TGG1 and TGG2 have redundant function in glucosinolate breakdown and insect defense. Plant J (2006) 2.12
The Arabidopsis ATR1 Myb transcription factor controls indolic glucosinolate homeostasis. Plant Physiol (2004) 2.03
Positive selection driving diversification in plant secondary metabolism. Proc Natl Acad Sci U S A (2006) 1.89
A systems biology approach identifies a R2R3 MYB gene subfamily with distinct and overlapping functions in regulation of aliphatic glucosinolates. PLoS One (2007) 1.89
A novel high efficiency, low maintenance, hydroponic system for synchronous growth and flowering of Arabidopsis thaliana. BMC Plant Biol (2003) 1.84
A role for isothiocyanates in plant resistance against the specialist herbivore Pieris rapae. J Chem Ecol (2003) 1.74
Benzoic acid glucosinolate esters and other glucosinolates from Arabidopsis thaliana. Phytochemistry (2002) 1.69
HAG2/MYB76 and HAG3/MYB29 exert a specific and coordinated control on the regulation of aliphatic glucosinolate biosynthesis in Arabidopsis thaliana. New Phytol (2007) 1.58
The Arabidopsis ref2 mutant is defective in the gene encoding CYP83A1 and shows both phenylpropanoid and glucosinolate phenotypes. Plant Cell (2003) 1.58
MAM3 catalyzes the formation of all aliphatic glucosinolate chain lengths in Arabidopsis. Plant Physiol (2007) 1.50
Sub-cellular immunolocalization of the glucosinolate sinigrin in seedlings of Brassica juncea. Planta (1998) 1.48
Distribution of 1000 sequenced T-DNA tags in the Arabidopsis genome. Plant J (2002) 1.39
Geographic and evolutionary diversification of glucosinolates among near relatives of Arabidopsis thaliana (Brassicaceae). Phytochemistry (2005) 1.28
Influence of foliar glucosinolates in oilseed rape and mustard on feeding and growth of the bertha armyworm,Mamestra configurata Walker. J Chem Ecol (1993) 0.84
Degradation kinetics of glucosinolates in soil. Environ Toxicol Chem (2006) 0.83
Linking aboveground and belowground interactions via induced plant defenses. Trends Ecol Evol (2005) 3.48
What has natural variation taught us about plant development, physiology, and adaptation? Plant Cell (2009) 2.94
Role of glucosinolates in insect-plant relationships and multitrophic interactions. Annu Rev Entomol (2009) 2.89
System-wide molecular evidence for phenotypic buffering in Arabidopsis. Nat Genet (2009) 2.20
Plant molecular stress responses face climate change. Trends Plant Sci (2010) 2.04
The molecular mechanism of zinc and cadmium stress response in plants. Cell Mol Life Sci (2012) 1.85
Large expression differences in genes for iron and zinc homeostasis, stress response, and lignin biosynthesis distinguish roots of Arabidopsis thaliana and the related metal hyperaccumulator Thlaspi caerulescens. Plant Physiol (2006) 1.76
The light-hyperresponsive high pigment-2dg mutation of tomato: alterations in the fruit metabolome. New Phytol (2005) 1.63
Plant science: the key to preventing slow cadmium poisoning. Trends Plant Sci (2012) 1.59
Arabidopsis thaliana transcription factors bZIP19 and bZIP23 regulate the adaptation to zinc deficiency. Proc Natl Acad Sci U S A (2010) 1.45
Visualization of PtdIns3P dynamics in living plant cells. Plant J (2006) 1.44
Reduction of rare soil microbes modifies plant-herbivore interactions. Ecol Lett (2010) 1.39
Metabolite identification using automated comparison of high-resolution multistage mass spectral trees. Anal Chem (2012) 1.35
Biochemical and molecular analysis of pink tomatoes: deregulated expression of the gene encoding transcription factor SlMYB12 leads to pink tomato fruit color. Plant Physiol (2009) 1.34
Genetic variation in defense chemistry in wild cabbages affects herbivores and their endoparasitoids. Ecology (2008) 1.33
Metabolic and transcriptomic changes induced in Arabidopsis by the rhizobacterium Pseudomonas fluorescens SS101. Plant Physiol (2012) 1.29
Antioxidants, phenolic compounds, and nutritional quality of different strawberry genotypes. J Agric Food Chem (2008) 1.27
Functional characterization of NRAMP3 and NRAMP4 from the metal hyperaccumulator Thlaspi caerulescens. New Phytol (2008) 1.26
Characterization of WRKY co-regulatory networks in rice and Arabidopsis. BMC Plant Biol (2009) 1.23
RNA interference silencing of chalcone synthase, the first step in the flavonoid biosynthesis pathway, leads to parthenocarpic tomato fruits. Plant Physiol (2007) 1.22
Identification and characterization of MYB-bHLH-WD40 regulatory complexes controlling proanthocyanidin biosynthesis in strawberry (Fragaria × ananassa) fruits. New Phytol (2012) 1.22
A role for differential glycoconjugation in the emission of phenylpropanoid volatiles from tomato fruit discovered using a metabolic data fusion approach. Plant Physiol (2009) 1.21
Production of resveratrol in recombinant microorganisms. Appl Environ Microbiol (2006) 1.21
Conserved prefusion protein assembly in regulated exocytosis. Mol Biol Cell (2005) 1.20
Performance of generalist and specialist herbivores and their endoparasitoids differs on cultivated and wild Brassica populations. J Chem Ecol (2008) 1.19
Expression differences for genes involved in lignin, glutathione and sulphate metabolism in response to cadmium in Arabidopsis thaliana and the related Zn/Cd-hyperaccumulator Thlaspi caerulescens. Plant Cell Environ (2007) 1.17
Natural genetic variation in plant photosynthesis. Trends Plant Sci (2011) 1.16
Effect of the Colorless non-ripening mutation on cell wall biochemistry and gene expression during tomato fruit development and ripening. Plant Physiol (2004) 1.15
Substructure-based annotation of high-resolution multistage MS(n) spectral trees. Rapid Commun Mass Spectrom (2012) 1.13
Comprehensive gene expression atlas for the Arabidopsis MAP kinase signalling pathways. New Phytol (2008) 1.11
Transgenic flavonoid tomato intake reduces C-reactive protein in human C-reactive protein transgenic mice more than wild-type tomato. J Nutr (2006) 1.08
Automatic chemical structure annotation of an LC-MS(n) based metabolic profile from green tea. Anal Chem (2013) 1.08
Genetic analysis identifies quantitative trait loci controlling rosette mineral concentrations in Arabidopsis thaliana under drought. New Phytol (2009) 1.07
A strong effect of growth medium and organ type on the identification of QTLs for phytate and mineral concentrations in three Arabidopsis thaliana RIL populations. J Exp Bot (2009) 1.06
Tri-trophic effects of inter- and intra-population variation in defence chemistry of wild cabbage (Brassica oleracea). Oecologia (2010) 1.05
Ingestion of onion soup high in quercetin inhibits platelet aggregation and essential components of the collagen-stimulated platelet activation pathway in man: a pilot study. Br J Nutr (2006) 1.03
Tomato breeding in the genomics era: insights from a SNP array. BMC Genomics (2013) 1.02
Extensive metabolic cross-talk in melon fruit revealed by spatial and developmental combinatorial metabolomics. New Phytol (2011) 1.01
Pathway engineering for healthy phytochemicals leading to the production of novel flavonoids in tomato fruit. Plant Biotechnol J (2006) 1.00
SNARE tagging allows stepwise assembly of a multimodular medicinal toxin. Proc Natl Acad Sci U S A (2010) 0.98
Barbarea vulgaris glucosinolate phenotypes differentially affect performance and preference of two different species of lepidopteran herbivores. J Chem Ecol (2008) 0.98
The Arabidopsis SOC1-like genes AGL42, AGL71 and AGL72 promote flowering in the shoot apical and axillary meristems. Plant J (2011) 0.97
Structural elucidation and quantification of phenolic conjugates present in human urine after tea intake. Anal Chem (2012) 0.96
Costs of glandular trichomes in Datura wrightii: a three-year study. Evolution (2003) 0.96
Genetic analysis of metabolites in apple fruits indicates an mQTL hotspot for phenolic compounds on linkage group 16. J Exp Bot (2012) 0.96
Identification of genes in the phenylalanine metabolic pathway by ectopic expression of a MYB transcription factor in tomato fruit. Plant Cell (2011) 0.95
LePLDbeta1 activation and relocalization in suspension-cultured tomato cells treated with xylanase. Plant J (2006) 0.95
Data integration and network reconstruction with ~omics data using Random Forest regression in potato. Anal Chim Acta (2011) 0.94
On-line detection of root-induced volatiles in Brassica nigra plants infested with Delia radicum L. root fly larvae. Phytochemistry (2012) 0.94
Gene expression differences between Noccaea caerulescens ecotypes help to identify candidate genes for metal phytoremediation. Environ Sci Technol (2014) 0.94
Microbial production of natural raspberry ketone. Biotechnol J (2007) 0.93
Polyphenol identification based on systematic and robust high-resolution accurate mass spectrometry fragmentation. Anal Chem (2010) 0.93
TBP-associated factors in Arabidopsis. Gene (2004) 0.93
OsWRKY22, a monocot WRKY gene, plays a role in the resistance response to blast. Mol Plant Pathol (2012) 0.93
Virus infection decreases the attractiveness of white clover plants for a non-vectoring herbivore. Oecologia (2012) 0.92
In silico prediction and automatic LC-MS(n) annotation of green tea metabolites in urine. Anal Chem (2014) 0.92
The heavy metal hyperaccumulator Thlaspi caerulescens expresses many species-specific genes, as identified by comparative expressed sequence tag analysis. New Phytol (2006) 0.92
A heritable glucosinolate polymorphism within natural populations of Barbarea vulgaris. Phytochemistry (2006) 0.92
High throughput screening with chlorophyll fluorescence imaging and its use in crop improvement. Curr Opin Biotechnol (2011) 0.92
Non-smoky glycosyltransferase1 prevents the release of smoky aroma from tomato fruit. Plant Cell (2013) 0.92
Construction of a genetic linkage map of Thlaspi caerulescens and quantitative trait loci analysis of zinc accumulation. New Phytol (2006) 0.91
Differences in volatile profiles of turnip plants subjected to single and dual herbivory above- and belowground. J Chem Ecol (2011) 0.91
Altered photosynthetic performance of a natural Arabidopsis accession is associated with atrazine resistance. J Exp Bot (2005) 0.91
Plants know where it hurts: root and shoot jasmonic acid induction elicit differential responses in Brassica oleracea. PLoS One (2013) 0.91
Metabolomics and molecular marker analysis to explore pepper (Capsicum sp.) biodiversity. Metabolomics (2012) 0.90
Genomic organization and evolutionary conservation of plant D-type cyclins. Plant Physiol (2007) 0.90
Characterization of the natural variation in Arabidopsis thaliana metabolome by the analysis of metabolic distance. Metabolomics (2011) 0.90
Is biotechnology a victim of anti-science bias in scientific journals? Trends Biotechnol (2008) 0.90
Quantitative protein profiling using antibody arrays. Proteomics (2004) 0.90
Regulation of the adaptation to zinc deficiency in plants. Plant Signal Behav (2010) 0.89
Birds exploit herbivore-induced plant volatiles to locate herbivorous prey. Ecol Lett (2013) 0.89
Characterization of Rhamnosidases from Lactobacillus plantarum and Lactobacillus acidophilus. Appl Environ Microbiol (2009) 0.89
Selection strategy and the design of hybrid oligonucleotide primers for RACE-PCR: cloning a family of toxin-like sequences from Agelena orientalis. BMC Mol Biol (2007) 0.89
Broccoli and turnip plants display contrasting responses to belowground induction by Delia radicum infestation and phytohormone applications. Phytochemistry (2011) 0.89
Crossfit analysis: a novel method to characterize the dynamics of induced plant responses. BMC Bioinformatics (2009) 0.89
Searching iron sensors in plants by exploring the link among 2'-OG-dependent dioxygenases, the iron deficiency response and metabolic adjustments occurring under iron deficiency. Front Plant Sci (2013) 0.88
Low frequency of T-DNA based activation tagging in Arabidopsis is correlated with methylation of CaMV 35S enhancer sequences. FEBS Lett (2003) 0.87
Physiological responses to folate overproduction in Lactobacillus plantarum WCFS1. Microb Cell Fact (2010) 0.87
Intra-specific differences in root and shoot glucosinolate profiles among white cabbage (Brassica oleracea var. capitata) cultivars. J Agric Food Chem (2010) 0.87
Dietary flavonoids from modified apple reduce inflammation markers and modulate gut microbiota in mice. J Nutr (2013) 0.87
Peptidomics: A new approach to affinity protein microarrays. Proteomics (2003) 0.87
Arabidopsis CYP82C4 expression is dependent on Fe availability and circadian rhythm, and correlates with genes involved in the early Fe deficiency response. J Plant Physiol (2011) 0.86
Genetic analysis of morphological traits in a new, versatile, rapid-cycling Brassica rapa recombinant inbred line population. Front Plant Sci (2012) 0.86
Microtubule depolymerization affects endocytosis and exocytosis in the tip and influences endosome movement in tobacco pollen tubes. Mol Plant (2013) 0.86
Phase I pharmacokinetic and pharmacodynamic study of lapatinib in combination with sorafenib in patients with advanced refractory solid tumors. Eur J Cancer (2012) 0.86
Structural annotation and elucidation of conjugated phenolic compounds in black, green, and white tea extracts. J Agric Food Chem (2012) 0.85
Differences in insect resistance between tomato species endemic to the Galapagos Islands. BMC Evol Biol (2013) 0.85
Analysis of genetically modified red-fleshed apples reveals effects on growth and consumer attributes. Plant Biotechnol J (2012) 0.85
Reconstitution of the costunolide biosynthetic pathway in yeast and Nicotiana benthamiana. PLoS One (2011) 0.85
Assembly of protein building blocks using a short synthetic peptide. Bioconjug Chem (2012) 0.85
Evaluation of glucosinolate variation in a collection of turnip (Brassica rapa) germplasm by the analysis of intact and desulfo glucosinolates. J Agric Food Chem (2013) 0.85
Consequences of combined herbivore feeding and pathogen infection for fitness of Barbarea vulgaris plants. Oecologia (2014) 0.84
An ecogenomic analysis of herbivore-induced plant volatiles in Brassica juncea. Mol Ecol (2013) 0.84
Identification and QTL mapping of whitefly resistance components in Solanum galapagense. Theor Appl Genet (2013) 0.84
A strategy for fast structural elucidation of metabolites in small volume plant extracts using automated MS-guided LC-MS-SPE-NMR. Magn Reson Chem (2011) 0.83