Quantitative liquid chromatography–tandem mass spectrometry profiling of activated methyl cycle metabolites involved in LuxS-dependent quorum sensing in …

NM Halliday, KR Hardie, P Williams, K Winzer… - Analytical …, 2010 - Elsevier
A rapid, selective, and sensitive liquid chromatography–tandem mass spectrometry assay
has been developed and validated for the simultaneous quantification of the metabolites and …

[HTML][HTML] The fitness burden imposed by synthesising quorum sensing signals

…, JF Dubern, CA Ortori, F Harrison, NM Halliday… - Scientific Reports, 2016 - nature.com
… Growth was followed by estimating optical densities at 600 nm using a 1 in 10 dilution of
cultures into the growth medium to ensure accurate spectrophotometer readings, or using viable …

[HTML][HTML] LuxS-independent formation of AI-2 from ribulose-5-phosphate

TJ Tavender, NM Halliday, KR Hardie, K Winzer - BMC microbiology, 2008 - Springer
… For each sample the optical density at 600 nm was recorded and AI-2 activity in culture
supernatants recorded using the modified V. harveyi BB170 bioassay containing 25 mM HEPES. …

In Helicobacter pylori, LuxS Is a Key Enzyme in Cysteine Provision through a Reverse Transsulfuration Pathway

NC Doherty, F Shen, NM Halliday, DA Barrett… - Journal of …, 2010 - Am Soc Microbiol
… Three ml of culture at an optical density (OD) at 600 nm (OD 600 ) of 1.0 was taken as a
standard sampling volume (variances from this OD were corrected for by using larger or smaller …

Applications of multiple collector-ICPMS to cosmochemistry, geochemistry, and paleoceanography

AN Halliday, DC Lee, JN Christensen… - … et Cosmochimica Acta, 1998 - Elsevier
Multiple collector-inductively coupled plasma mass spectrometry (MC-ICPMS) is a new
technique for the measurement of isotopic compositions at high precision, and is of great …

Missing pieces in the Parkinson's disease puzzle

…, EC Hirsch, M Farrer, AHV Schapira, G Halliday - Nature medicine, 2010 - nature.com
Parkinson's disease is a neurodegenerative process characterized by numerous motor and
nonmotor clinical manifestations for which effective, mechanism-based treatments remain …

Neuromelanin in human dopamine neurons: comparison with peripheral melanins and relevance to Parkinson's disease

H Fedorow, F Tribl, G Halliday, M Gerlach… - Progress in …, 2005 - Elsevier
… synthesis to NM. Recent evidence, however, suggests some regulation for NM production and
… Similar experiments cannot be used to elucidate the pathway of NM synthesis as NM does …

The flux of meteorites on the Earth's surface

I Halliday, AT Blackwell, AA Griffin - Meteoritics, 1989 - Wiley Online Library
… N) we expect the rate of meteorite falls per unit area at night to be 0.99 ofthe mean daily rate
for the entire Earth, averaged throughout the year in both cases (Halliday and Griffin, 1982). …

[BOOK][B] Physics, Volume 2

D Halliday, R Resnick, KS Krane - 2010 - books.google.com
Written for the full year or three term Calculus-based University Physics course for science
and engineering majors, the publication of the first edition of Physics in 1960 launched the …

Copper pathology in vulnerable brain regions in Parkinson's disease

…, DJ Hare, JPM Finberg, S Reyes, GM Halliday… - Neurobiology of …, 2014 - Elsevier
… 1A–1C) revealed a decrease in NM-associated Cu in the SN from PD and ILBD cases with
… Our finding of decreased NM-associated Cu levels in the PD SN was confirmed in fresh …