ライフサイエンスコーパス: ion source

1 zation (DESI) using a commercially available ion source.

2 try (AMS) system with a microwave-plasma gas ion source.

3 tation products for all ions generated in an ion source.

4 crochannel", before entering the high-vacuum ion source.

5 The Ar carries the CO(2) to the ion source.

6 O reactor in line with the gas-accepting AMS ion source.

7 been used to optimize the Agilent multimode ion source.

8 zation has been equipped with a C 60 cluster ion source.

9 luent to CO2 as required for function of the ion source.

10 n of the probe conjugate in the electrospray ion source.

11 1 cm; diameter: approximately 10 mum) as the ion source.

12 etric steady-state continuous dual-nanospray ion source.

13 iloxane), which was not possible using a Ga+ ion source.

14 ometer fitted with a dual-inlet electrospray ion source.

15 cant compromise in the performance of either ion source.

16 e at m/z 303 because of fragmentation in the ion source.

17 mical cell incorporated into an electrospray ion source.

18 are demonstrated using a single sonic spray ion source.

19 and a buckminsterfullerene (C60(+)) primary ion source.

20 ization (DESI) using a modified electrospray ion source.

21 gmentation that occurs in the glow discharge ion source.

22 ld be coupled to a continuous, electrospray, ion source.

23 ent density on its route toward and into the ion source.

24 incorporating an indexed (i.e., multiplexed) ion source.

25 at the emitter electrode in an electrospray ion source.

26 ide ions produced in a remote external MALDI ion source.

27 without any interface or modification of the ion source.

28 (CIMS) equipped with an "inlet-less" NO3(-) ion source.

29 ometer (HRToF-CIMS) equipped with an acetate ion source.

30 bed and directly transferred to the PI-TOFMS ion source.

31 ohydrates ions occurring in the electrospray ion source.

32 between monomer units necessitating a gentle ion source.

33 ersible reconfiguration of gas-inlets of the ion source.

34 s in organic materials with this new kind of ion source.

35 of ion liberation from a droplet in the ESI ion source.

36 ed out in an ionized, supersonic entrainment ion source.

37 ed with both sheathless and sheathflow CE-MS ion sources.

38 rometry employing 15-keV Ga+ and 20-keV C60+ ion sources.

39 potential new route to control laser-driven ion sources.

40 ion already observed with the generally used ion sources.

41 ly distinguish between positive and negative ions sources.

42 us includes a high-transmission electrospray ion source, a quadrupole mass filter, a bending quadrupo

43 To validate the design concept of this new ion source, a simple prototype using a single set of cyl

44 IMS) experiments that sample from continuous ion sources, a range of experimental advances have been

45 easing the cooling gas pressure in the MALDI ion source after adding an additional gas line was furth

46 This ion source allows three unique operation modes, each wit

47 The configuration of the ion source also allowed rapid switching (approximately 1

48 ce ratio of the gas was then analyzed by gas ion source AMS.

49 ignificant fragmentation occurs in the MALDI ion source and can be observed via delayed ion extractio

50 m x 1.5 mm and are mounted, together with an ion source and channeltron detector, in small, interchan

51 chips were integrated with a beta-radiation ion source and charge detector.

52 equipped with an intermediate-pressure MALDI ion source and demonstrate its suitability for "bottom-u

53 nterface for effective operation with an ESI ion source and joined to an MS using an ion funnel inter

54 An enclosure was designed to fit around the ion source and mass spectrometer inlet at atmospheric pr

55 n with a direct analysis in real time (DART) ion source and mass spectrometry (MS).

56 mns is directed toward the multiplexed (MUX) ion source and sampled in a time-dependent, parallel man

57 rature of a drying tube inserted between the ion source and the electrical ion deflectors.

58 mples to the open air space between the DART ion source and the mass spectrometer inlet, with the ent

59 H/D) exchange (electrospray ionization (ESI) ion source and ultra-high-resolution Fourier transform i

60 d for seven lipids using atomic (Ga+ or In+) ion sources and a buckminsterfullerene (C60(+)) primary

61 bility, ionization efficiency with different ion sources and detection modes, acid/base behavior, oct

62 eters were used, both having electron-impact ion sources and Faraday cup collector systems.

63 ng traveling-wave IMS (TWIMS) with different ion sources and faster IMS separations showed the transf

64 he method utilizes pulsed, dual electrospray ion sources and requires minimal instrument modification

65 the electron capture reactions occur in the ion source, AP-ECD has been limited by its apparent inab

66 A pulsed dual ion source approach coupled with a hybrid triple quadrup

67 s in the direct analysis in real time (DART) ion source are commonly formed by proton transfer.

68 The ion sources are operated in opposite polarity modes wher

69 T FTICR with a modified Apollo electrospray ion source as part of a nanoflow liquid chromatography-F

70 also be more easily paired with fluctuating ion sources, as the corresponding fluctuations in resona

71 lines linked to the planet, is shaped by the ion source at Enceladus, and magnetospheric dynamics may

72 ), solvent- and gas-cylinder-free, hand-held ion source based on desorption atmospheric pressure chem

73 A novel ion source based on the principle of sonic spray ionizat

74 With the dual-sprayer ion source, both sprays are orthogonal to each other.

75 er and demonstrated the functionality of the ion source by detecting organic and chemical compounds f

76 n of the sample prior to introduction to the ion source by using thermogravimetry (TG) hyphenated to

77 r ESI-MS: it avoids both ion suppression and ion source contamination.

78 dependently applied and controlled, the dual ion source could be operated in ESI-only, APCI-only, or

79 The apparatus employs an electrospray ion source coupled to a high transmission electrodynamic

80 data from a high repetition rate laser MALDI ion source coupled to a triple quadrupole mass spectrome

81 rnene was accomplished in a pulsed discharge ion source coupled with a supersonic molecular beam.

82 ssure, helium microwave-induced plasma (MIP) ion source coupled with an orthogonal acceleration time-

83 xAsy clusters detected using several primary ion sources (Cs+, Bi+, Bi3+, Bi32+, Bi52+, C60+, and C60

84 Use of a chiral cyanide ion source, derived from KCN and quaternary ammonium bro

85 se it can be implemented using a stand-alone ion source device suitable for use with any existing or

86 idered as a future candidate in laser-driven ion sources driven by the upcoming next generation of mu

87 s is demonstrated against another polyatomic ion source (e.g., SF(5)(+)).

88 oximately 1-10 Torr) of atmospheric pressure ion sources (e.g., electrospray ionization (ESI) for mas

89 f less than approximately 1% with continuous ion sources (e.g., ESI).

90 roduction of gas phase imidazole into the ES ion source effectively protects gas phase protein-ligand

91 Electrospray ion sources efficiently produce gas-phase ions from prot

92 The ion source employs a simple pneumatic spray operated at

93 ness of the technique coupled with nanoscale ion sources enabled the creation of such species.

94 ometry (MS) that in combination with ambient ion sources enables the atmospheric pressure investigati

95 Here, an ion source equipped with laser triangulation for analyzi

96 e full 20-keV kinetic energy provided by the ion source extraction voltage as the collision energy in

97 n and modest technical requirements of these ion sources favors their employment in mobile applicatio

98 miniaturization and functionalization of an ion source for (portable) mass spectrometry (MS).

99 ative study illustrates that PIR-LAESI is an ion source for ambient mass spectrometry applications.

100 on for sputtering and a bismuth liquid metal ion source for analysis, both surfaces of leaves and fru

101 We describe a novel ion source for analytical mass spectrometry based on fem

102 (AP-ECD) experiments; repurposing the AP-ECD ion source for AP-CS requires only adding a supplemental

103 The utility of this ion source for comprehensive chemical analysis of a seri

104 y, photoionization (PI) was evaluated as the ion source for GCxGC-TOF-MS measurements.

105 interfaced to a commercial field desorption ion source for high-resolution, high-mass accuracy measu

106 The analytical characterization of a novel ion source for mass spectrometry named array of micromac

107 lectrospray ionization (LAESI) as an ambient ion source for mass spectrometry.

108 orne laser plasma is suggested as an ambient ion source for mass spectrometry.

109 ation (LAAPPI), a novel atmospheric pressure ion source for mass spectrometry.

110 ysis process inherent to operation of the ES ion source for selective ionization.

111 tween the membrane and the mass spectrometer ion source for the determination of SVOCs in complex mix

112 axis dynode/multiplier arrangement, or as an ion source for the IMS drift cell.

113 pulsed glow discharge is used as a versatile ion source for time-gated generation of elemental, struc

114 microplasma devices attractive candidates as ion sources for miniaturized mass spectrometry and other

115 Ion sources for molecular mass spectrometry are usually

116 Argon cluster ion sources for sputtering and secondary ion mass spectr

117 MALDI) method has been used with an external ion source Fourier transform mass spectrometer (FIMS) to

118 en the FTMS has a vibrationally cooled MALDI ion source, fragile glycolipids can be desorbed from TLC

119 revents neutral molecules originating in the ion source from impacting the surface, an ultrahigh vacu

120 With the external ion source FTMS instrument, ions made by MALDI are injec

121 relation of the analyzer performance with an ion source function and provides the improved dynamic ra

122 en positive ion mode APCI with oxygen as the ion source gas was employed to ionize saturated hydrocar

123 The CD ion source generates in air H(3)O(+)(H(2)O)(n) and NO(+)

124 This new rf plasma oxygen primary ion source has been applied to the localization of essen

125 A new ion source has been developed for rapid, noncontact anal

126 ng buckminsterfullerene (C60) as the primary ion source has the ability to generate chemical images o

127 using a fully automated chip-based nanospray ion source in both positive and negative ion mode.

128 to laser positioning, creating a more robust ion source in comparison to static AP-MALDI.

129 Operation of the ion source in spray-only mode shows superior performance

130 The performances of this primary ion source in terms of current density and achievable la

131 the latter system, the presence of chloride ion source in the starting solutions used for the perovs

132 n adaptation of the multiplexed electrospray ion source in which only two of the sprays are utilized.

133 e ionization mechanisms involved in the dual ion source include Penning ionization, ion molecule reac

134 imitations of conventional electrospray-type ion sources, including the need for high charging potent

135 found with C60(+) relative to the other two ion sources, indicating great promise for future cellula

136 try-independent low-temperature plasma (LTP) ion source integrated into a hand-held head unit (2 kg)

137 ticles in the higher-pressure regions (e.g., ion source interfaces) of mass spectrometers, thus provi

138 ng atmospheric-pressure afterglow (AeroFAPA) ion source is based on a helium glow discharge plasma, w

139 The functionality of this ion source is demonstrated with mass spectrometric and i

140 nexpensive, miniature low-temperature plasma ion source is detailed.

141 A buckminsterfullerene ion source is employed to characterize peptide-doped tre

142 The performance of the nESI ion source is evaluated by measuring the collision cross

143 or increased and the reproducibility of the ion source is increased.

144 The miniature low-temperature plasma ion source is operated in a "flow-through" configuration

145 erature plasma ionization with the miniature ion source is shown to be a promising technique for the

146 the most appealing mode of operation of the ion source is the DEMI mode which allows the simultaneou

147 ass spectrum when the low-temperature plasma ion source is used in the flow-through configuration.

148 isted laser desorption ionization (AP-MALDI) ion sources is demonstrated.

149 nging, improving signal with cluster primary ion sources is of interest.

150 n opposite polarity modes whereby one of the ion sources is used to form analyte ions while the other

151 This combination of ion sources is well-suited to implementation of experime

152 MS), which uses a carbon fiber bundle as the ion source, is useful for the analysis of small organics

153 ght the analytical utility of this transient ion source, it was connected to a gas chromatograph for

154 They include: sensitive ion sources, loss-free interfaces, ion optics components

155 Thanks to a stage movable in xyz, the ion source maintained an optimal vertical distance betwe

156 l achieved for lipids from an atomic primary ion source makes cell-imaging experiments challenging, i

157 However, TLC can be coupled to an external ion source MALDI-Fourier transform (FT) MS instrument wi

158 The instrument features four parallel ion source/mass analyzer/detector channels assembled in

159 ) array mass spectrometer with four parallel ion source/mass analyzer/detector channels has been buil

160 These ion sources may comprise high ion currents with composit

161 er-driven, high-current, quasi-monoenergetic ion sources may enable significant advances in the devel

162 is employed for direct air analysis, without ion source modification, by using the sheath gas as the

163 ed molecular mass by electrospray ionization ion source MS is 9898 Da, and the molecular mass of the

164 Images have been generated with a Au primary ion source near the static limit of 10(12) ions/cm2.

165 This study shows that ion source non-linearities in hydrogen analysis require

166 Ion source nonlinearities are characterized over a wide

167 All results are corrected for ion source nonlinearities characteristic of hydrogen ana

168 h-pressure gas chromatograph to the internal ion source of a Fourier transform ion cyclotron resonanc

169 is placed directly into a specially designed ion source of an external source Fourier transform mass

170 ticles of various sizes were measured in the ion source of the mass spectrometer and follow a Gaussia

171 Earlier work using a modified MUX ion source on an orthogonal acceleration time-of-flight

172 The performance of this ion source on the oaTOF mass spectrometer is compared wi

173 The applicability of the ion source operated in desorption electrospray ionizatio

174 A Grimm-type glow discharge ion source, operated in the microsecond pulsed mode, has

175 Ion source operation in the MICI-only mode is particular

176 vo G2-S Q-TOF from Waters-Micromass using an ion source originally designed for atmospheric pressure-

177 The ion source performance and its ability to analyze variou

178 ) in a MALDI source differs according to the ion source pressure and on the mass analyzer used.

179 thod requires only minor modification of the ion source region of the mass spectrometer and is shown

180 Errors can be reduced 5-fold when the ion-source residence time of CO2+ is decreased by use of

181 Humidity at such plasma-based ion sources should be regulated to avoid approximately 9

182 riles unless a catalytic amount of a lithium ion source, such as LiBH(4) or lithium tetraphenylborate

183 Other self-aspirating ion source systems including atmospheric pressure photoi

184 Presented here is a novel multimode ambient ion source termed desorption electrospray/metastable-ind

185 spectrometer to which we have added a MALDI ion source that incorporates a sample stage constructed

186 a novel, electrical discharge-based reagent ion source that is located in the first differentially p

187 Direct analysis in real time (DART) is an ion source that permits rapid mass spectrometric detecti

188 chnology have been focused on generating new ion sources that can in turn be used to eject more intac

189 ecular ions are formed simultaneously in the ion source, thereby complicating the spectra (>12 000 pe

190 hat is connected through a microelectrospray ion source to a tandem mass spectrometer.

191 many trace metals requires an oxygen primary ion source to allow the generation of positive secondary

192 new instrument that couples an electrospray ion source to an injected-ion drift tube/time-of-flight

193 and neon ion beams generated by a gas field ion source to irradiate the sample.

194 We employ a buckminsterfullerene ion source to probe the distribution of histamine molecu

195 on transfer reactions within an experimental ion source to remove excess charge from sample ions and

196 ass spectrometers, relocation of the reagent ion source to the front of the mass spectrometer enables

197 directly connecting the atmospheric pressure ion source to the vacuum mass analyzer region; it has no

198 same quality of images as the cesium primary ion source used to produce negative secondary ions (C(-)

199 In this paper, a new type of an oxygen ion source using a rf plasma is fitted and characterized

200 liquid samples, which were introduced to the ion source via a direct liquid interface, to enable the

201 The LTQ-Orbitrap with a MALDI ion source was adopted to achieve MS imaging in high mas

202 A geometry-independent version of the DESI ion source was also coupled to the miniature mass spectr

203 ge, microwave-induced-plasma (GDMIP), tandem ion source was developed, characterized, and used in con

204 at the emitter electrode of an electrospray ion source was effectively controlled by incorporating a

205 cross talk for the multiplexed electrospray ion source was evaluated as a function of analyte concen

206 The MALDI ion source was operated at intermediate pressure to cool

207 h-voltage emitter contact in an electrospray ion source was shown to provide for new types of electro

208 rometry employing an SF5+ polyatomic primary ion source was utilized to obtain a series of in-depth p

209 sult and the reaction using a chiral hydride ion source, we propose a reaction pathway in which a Bro

210 atmospheric pressure photoionization (APPI) ion sources were compared.

211 These ion sources were investigated in terms of their suitabil

212 Ions, generated by the atmospheric pressure ion source, were directed by the inlet along the axis of

213 This new cluster ion source, when operated at an incident energy of 20 ke

214 CO(2) that is formed to the AMS instrument's ion source, which is appropriately modified for use with

215 ent, a prototype instrument that combines an ion source with a commercial electrospray ionization/mat

216 Ions are generated in an electrospray ion source with a sampling cone interface and two stacke

217 assisted laser desorption/ionization (MALDI) ion source with an ion trap mass analyzer, with particul

218 mmercial direct analysis in real time (DART) ion source with an ion trap mass spectrometer, native ch

219 be sensitive to analyte pressure in the IRMS ion source with or without carrier gas admitted with ana

220 section measurements to be made between both ion sources with minimal differences in the instrumental

221 ting pathway linking the redox reaction H(+) ion sources with the CF(0) H(+) channel.

222 ion from different samples migrates into the ion source within a short time interval ( approximately

223 s obtained on a commercial mass spectrometer ion source without physical instrument modifications usi