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Homocysteine (3TMS)

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Replica Mass Spectra of Homocysteine (3TMS)

replica	lib entry date	detection	method	species
1	19 July 2007	MS-TOF	MDN35	Reference Substance
16	28 August 2012		MassBank GC 2010 Tsujimoto
2	01 June 2001	MS-TOF	M[EIGTMS]	Saccharomyces cerevisiae
3	16 June 2005	MS-TOF	M[STR]
4	01 June 2001	MS-TOF	M[EIGTMS]	Standard
5	01 April 2002	MS-Quad	M[2]	Standard
7	01 July 2001	MS-Quad	M[2]	Standard
8	01 May 2001	MS-TOF	M[EIGTMS]	Standard
14	03 November 2010		Schomburg_GC_2010
9	19 July 2007	MS-TOF	VAR5	Reference Substance
16 spectrum(a)
Page of 2 Results per page:

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Spectrum Details

analyte	Homocysteine (3TMS)
analyte InChI
analyte mass	351.73
chromatogram	NA(_27)
citation	Barsch A, Patschkowski T, Niehaus K (2004) Funct Integrat Genomics 4, 219-230
authors	Barsch A, Puehse M, Persicke M, Bielefeld University, Department of Molecular Phytopathology (Prof. Niehaus K), D-33501 Bielefeld, Germany
lib entry date	12 October 2005
metabolite role	METB
retention time (sec)	1,547.4
retention index (VAR5 method, n-alkanes C10–C36)	1,662.53 (predicted, according to Strehmel, N. et.al)
base peak (m/z)	128
maximal intensity	999
mass-intensity-peaks cardinality	60 intensities
minimal m/z	54
maximal m/z	521
download JCAMP DX	SpectrumJcampDx.ashx?id=8b175a9c-95a6-4928-a8cb-69d351c523c6
download MSP	SpectrumMsp.ashx?id=8b175a9c-95a6-4928-a8cb-69d351c523c6

GC-Method

name	M[BAR]
citation	Barsch A, Patschkowski T, Niehaus K (2004) Funct Integrat Genomics 4, 219-230

attribute	text	details
deconvolution	AMDIS, National Institute of Standards and Technology, Gaithersburg, MD, USA
derivatization	MEOX; TMS	Methoxyamination:90min37°C; Trimethylsilylation:30min37°C
detector	MS-TRAP	MZ:50-550; SCANS:2/s; PolarisQ; Thermo-Finnigan, Dreieich, Germany
extraction	methanol:water (4:1; v/v); 70°C
ion source	EI	70eV
metabolic inactivation	filtration; liquid nitrogen; lyophilization
partitioning	none
RI	ALKANE	C12, C15, C18, C19, C22, C28, C32, C36
separation	GC	COLUMN:5%diphenyl-95%dimethylpolysiloxane, 30m, ID:0.25mm, DF:0.25microm, EQUITY-5, #NA (Supelco, Bellfonte, CA, USA); PROGRAM:iso3min80°C, ramp3°C/min, iso1min300°C; FLOW:Helium, 0.6ml/min; INJECTION:1microL, splitless, 250°C; TRANSFER:250°C; IONSOURCE:200°C

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