Andreas Helfrich - Concepedia

Author

Andreas Helfrich

Also Known As

Andreas Helfrich

Publications

251

Citations

H-Index

Concepts

All Affiliations

Andreas Helfrich is an author at Johannes Gutenberg University Mainz specializing in mass spectrometry, engineering, and medicine.

#	Concept	H-Index	Publications	Citations
1	Engineering	3	3	201
2	Medicine	3	3	155
3	Biochemistry	2	2	54
4	Biomolecular Engineering	2	2	54
5	Natural Sciences	1	1	20

Andreas Helfrich

Publications

251

Citations

H-Index

Page 1

	Year	Citations
Size characterisation of Au nanoparticles by ICP-MS coupling techniques Andreas Helfrich, Wolfram Brüchert, Jörg Bettmer Journal of Analytical Atomic Spectrometry NanoparticlesEngineeringNanoclusterMetal NanoparticlesModern Nanotechnology	2006	101
Analysis of gold nanoparticles using ICP-MS-based hyphenated and complementary ESI-MS techniques Andreas Helfrich, Jörg Bettmer International Journal of Mass Spectrometry NanoparticlesChemical EngineeringEngineeringMetal NanoparticlesNanomaterials	2011	66
Determination of phytic acid and its degradation products by ion-pair chromatography (IPC) coupled to inductively coupled plasma-sector field-mass spectrometry (ICP-SF-MS) Andreas Helfrich, Jörg Bettmer Journal of Analytical Atomic Spectrometry EngineeringIon-pair ChromatographyBiological Mass SpectrometryPhytic AcidFood Chemistry	2004	34
Gel Electrophoresis Coupled to Inductively Coupled Plasma−Mass Spectrometry Using Species-Specific Isotope Dilution for Iodide and Iodate Determination in Aerosols Wolfram Brüchert, Andreas Helfrich, Nico Zinn, Analytical Chemistry	2007	30
Determination of phosphorylation degrees in caseins by on-line gel electrophoresis coupled to ICP-SFMS Andreas Helfrich, Jörg Bettmer Journal of Analytical Atomic Spectrometry Biological Mass SpectrometryPeptide ScienceAnalytical UltracentrifugationProtein PurificationProteomic Technology	2007	20

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