Electrospray ion source apparatus

RA Thakur - US Patent 7,199,364, 2007 - Google Patents
2. Description of the Prior Art In its basic form, the electrospray process consists of flowing a
solution of the analyte through a capillary tube which is maintained at a high electrical …

Ion transfer tube having single or multiple elongate bore segments and mass spectrometer system

ER Wouters, AA Makarov, RP ATHERTON… - US Patent …, 2012 - Google Patents
To Wacuum Pump section. A method of forming an ion transfer tube comprises the steps of
providing a tube member having a length and an internal bore, the internal bore having a …

Multi-needle multi-parallel nanospray ionization source for mass spectrometry

AA Makarov, ER Wouters - US Patent 8,207,496, 2012 - Google Patents
2003. O168591 A1 9, 2003 Smith et al. 2003/0201390 A1 10, 2003 Corso et al.
2003/0213918 A1 11/2003 Kameoka et al. 2004/0173743 A1* 9, 2004 Valaskovic et …

Pulsed nano-electrospray ionization: characterization of temporal response and implementation with a flared inlet capillary

JM Bushey, DA Kaplan, RM Danell… - … Science and Technology, 2009 - Taylor & Francis
The temporal response of pulsed nano-electrospray ionization mass spectrometry (nano-ESI-
MS) was studied and its influence on ion formation and detection was characterized. Rise …

System for transferring ions in a mass spectrometer

ER Wouters, S Prasad, JJ Dunyach - US Patent 9,761,427, 2017 - Google Patents
A system for transporting ions includes: an ion transfer tube having an axis and an internal
bore having a width and a height less than the width; and an apparatus comprising a …

Method and apparatus for an ion transfer tube and mass spectrometer system using same

MA Splendore, ER Wouters, PR Atherton… - US Patent …, 2012 - Google Patents
A method for analyzing a sample comprising the steps of: generating ions from the sample
within an ionization chamber at substantially atmospheric pressure; entraining the ions in a …

Ion transfer tube for a mass spectrometer system

ER Wouters, AA Makarov, RP ATHERTON… - US Patent …, 2014 - Google Patents
An ion transfer tube for a mass spectrometer comprises a core member and a first jacket
tube member at least partially enclosing the core member and providing one or more …

Atmospheric pressure ionization (api) interface structures for a mass spectrometer

T Corso, JD Henion - US Patent App. 12/565,320, 2010 - Google Patents
BACKGROUND 0003 Mass spectrometry is an analytical process that identifies the chemical
composition of a compound or sample based on the mass-to-charge ratio of charged …

Radial arrays of nano-electrospray ionization emitters and methods of forming electrosprays

RT Kelly, K Tang, RD Smith - US Patent 7,816,645, 2010 - Google Patents
Electrospray ionization emitter arrays, as well as methods for forming electrosprays, are
described. The arrays are characterized by a radial configuration of three or more nano …

High throughput ion source with multiple ion sprayers and ion lenses

DDY Chen, DJ Douglas, BB Schneider - US Patent 7,399,961, 2008 - Google Patents
An apparatus with means for controlling ion generation is discussed. The apparatus
comprises a plurality of ion sources, at least one counter electrode mounted downstream for …