Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror.

Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror. Research Abstract Details 

Research Abstract Table of Contents

Jump to the:

Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror. Abstract Text:

Christie G Enke,Gareth S Dobson,Christie G Enke,Gareth S Dobson,Christie G Enke,Gareth S Dobson,

Distance-of-flight mass spectrometry (DOF-MS) has not yet been implemented, though it has many potential advantages in a variety of applications. Impeding the implementation of DOF-MS is the development of the required array detectors and working out the equivalents to the focusing methods now used in time-of-flight (TOF) mass analyzers. Ideally, a batch of ions composed of a variety of m/z values, despite initial distributions of space and energy, would be spatially focused at their respective flight distances at the same time. First-order energy focusing, including ion turnaround, is shown to be accomplished by the use of an ion mirror in conjunction with constant momentum acceleration of the initial ion packet. The initial spatial dispersion is maintained throughout the flight path. With zero initial spatial ion spread, energy focusing to achieve resolutions in the tens of thousands is shown to be feasible with ions from the elemental and isotope ratio mass regions through the extremely high m/z range. With moderate spatial spread taken into account, the DOF-MS approach is shown to achieve resolutions competitive with quadrupole and ion trap mass analyzers. Advantages of DOF-MS include all the advantages of TOF-MS plus simpler detector electronics and the improved signal-to-noise ratio and dynamic range afforded by array detection.

Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror. Publishing Authors By Initials

CG Enke,GS Dobson,CG Enke,GS Dobson,CG Enke,GS Dobson,

For similar abstracts research abstracts see: abstracts research

PUBMED ID PMID:

MEDLINE DATE:

Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Analytical chemistry

VOLUME: 79

Page Numbers: 8650-61

Journal Abbreviation:

ISSN: 0003-2700

DAY: 12

MONTH: 10

YEAR: 2007

Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 370536

Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror. Keywords Mesh Terms:

KEYWORDS:

MESH TERMS:

Chemical & Substance for Abstract: Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror. Information

Substance Name:

Registry Number:

Grant and Affiliation Information for Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror.

AFFILIATION: Department of Chemistry, University of New Mexico, MSC03-2060, Albuquerque, New Mexico 87131.

Country: United States

AGENCY:

GRANT:

ACRONYM:

MEDLINETA: Anal Chem

REFSOURCE:

DATABASENAME:

ACCESSION NUMBER:

Number Hits: 0

Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror Related Publications

• A lifestyle view of life-history evolution.
• Achievement of Energy Focus for Distance-of-Flight Mass Spectrometry with Constant Momentum Acceleration and an Ion Mirror.
• Adenosine A1 and A2A receptor effects on G-protein cycling in beta-adrenergic stimulated ventricular membranes.
• Agency urges researchers to make more use of yellow card data.
• An experimental investigation of the cognitive vulnerability to depression.
• An overview of faecal incontinence in children.
• Apolipoprotein E-derived antimicrobial peptide analogues with altered membrane affinity and increased potency and breadth of activity.
• CONVERGENCE.
• Dexamethasone and ondansetron incompatibility in polypropylene syringes.
• Early pituitary follicle stimulating hormone response to gonadotrophin releasing hormone in ewes.
• Economic cost of difficult calvings in the United Kingdom dairy herd.
• Effects of chronic treatment with a GnRH agonist on oestrous behaviour and on the secretion of LH and progesterone in the ewe.
• England and Wales are among European countries at highest risk of measles epidemic.
• HEPATIC CUTANEOUS PORPHYRIA. RESPONSE OF A PATIENT TO TREATMENT WITH ADENOSINE-5-MONOPHOSPHATE.
• Herpes simplex virus infection causes cellular beta-amyloid accumulation and secretase upregulation.
• Human papillomavirus vaccines: who should get them and why?
• Mapping long-range interactions in alpha-synuclein using spin-label NMR and ensemble molecular dynamics simulations.
• Meta-analysis of studies of passive smoking and lung cancer: effects of study type and continent.
• Nocturnal enuresis in children.
• Perceptions of Saskatchewan community pharmacists regarding a prior-authorization program.
• Preconditioning and postconditioning: innate cardioprotection from ischemia-reperfusion injury.
• Projected impacts of climate and land-use change on the global diversity of birds.
• Rose revisited: a "middle road" prevention strategy to reduce noncommunicable chronic disease risk.
• Study shows effect on life expectancy of greater spending on treatment.
• Teller Acuity Card norms with and without use of a testing stage.
• Training the trainers.
• Unnecessary C-sections.
• Variation in number of women being recalled after breast cancer screening needs to be looked into.
• Weighted multimorbidity indexes predicted mortality, health service use, and health-related quality of life in older women.
• gamma-amino butyric acid control of arginine vasopressin release from the ewe hypothalamus in vitro: sensitivity to oestradiol.