Search Results - "March, Raymond E."

Quadrupole ion traps by March, Raymond E

“…The extraordinary story of the three-dimensional radiofrequency quadrupole ion trap, accompanied by a seemingly unintelligible theoretical treatment, is told…”
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An inductively coupled plasma study and an ion cyclotron resonance matrix‐assisted laser/desorption study at high mass resolution of two ancient Maya greenstone artifacts from Pacbitun, Belize, and two decorative jade specimens by March, Raymond E.

“…Rationale Two Early Classic period (ca 250–600 CE) Maya carved, greenstone jade pendants, Specimens A and B, were recovered from the Pacbitun site in Belize in…”
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Prey detection of aquatic predators: Assessing the identity of chemical cues eliciting prey behavioral plasticity by Ferland-Raymond, Bastien, March, Raymond E., Metcalfe, Chris D., Murray, Dennis L.

“…Chemical cues transmitted through the environment are thought to underlie many prey responses to predation risk, but despite the known ecological and…”
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Fragmentation of 3-hydroxyflavone; a computational and mass spectrometric study by Lewars, Errol G., March, Raymond E.

“…In a recent study of the collision‐induced dissociation of protonated and deprotonated molecules of 3‐, 5‐, 6‐, 7‐, 2′‐, 3′‐ and 4′‐hydroxyflavone, it was…”
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A tandem mass spectrometric study of saccharides at high mass resolution by March, Raymond E., Stadey, Christopher J.

“…Nine monosaccharides and four disaccharides were mass analyzed using a quadrupole time‐of‐flight tandem mass spectrometer combined with an electrospray…”
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An appreciation of the scientific researches of Dr Peter H. Dawson by Todd, John F.J., March, Raymond E.

“…Upon the death of Peter H. Dawson in 2015, mass spectrometry lost a major figure. Within the area of radiofrequency quadrupole electric fields applied to mass…”
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Electrospray ionization tandem mass spectrometric study of salt cluster ions. Part 1- Investigations of alkali metal chloride and sodium salt cluster ions by Hao, Chunyan, March, Raymond E., Croley, Timothy R., Smith, Jeffrey C., Rafferty, Steven P.

“…Salt cluster ions of alkali metal chlorides ACl (A = Li+, Na+, K+, Rb+ and Cs+) and sodium salts NaB (B = I−, HCOO−, CH3COO−, NO2−, and NO3−), formed by…”
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A combined nuclear magnetic resonance and computational study of monohydroxyflavones applied to product ion mass spectra by Burns, Darcy C., Ellis, David A., Li, Hongxia, Lewars, Errol G., March, Raymond E.

“…A method is presented for the estimation of 13C‐chemical shifts for carbon atoms in protonated and deprotonated molecules; in principle, this method can be…”
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An Introduction to Quadrupole Ion Trap Mass Spectrometry by March, Raymond E.

“…A concise introduction is presented to the theory and application of quadrupole ion trap mass spectrometry. The presentation of the theoretical treatment is…”
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Hands-On Electrospray Ionization-Mass Spectrometry for Upper-Level Undergraduate and Graduate Students by Stock, Naomi L, March, Raymond E

“…Electrospray ionization-mass spectrometry (ESI-MS) is a powerful technique for the detection, identification, and quantification of organic compounds. As mass…”
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Giardia lamblia encodes a functional flavohemoglobin by Rafferty, Steven, Luu, Betty, March, Raymond E., Yee, Janet

“…► The parasitic protist Giardia lamblia encodes a functional flavohemoglobin. ► The enzyme likely protects Giardia from nitric oxide. ► Giardia has no known…”
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Liquid chromatography/mass spectrometry for the detection of ash tree metabolites following Emerald Ash Borer infestation by Stock, Naomi L., Doran, Michael C., Bonners, Ron F., March, Raymond E.

“…Rationale The Emerald Ash Borer (EAB), Agrilus planipennis, an invasive insect detected in the USA and Canada in 2002, is a threat to ash trees with both…”
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The Origin and Ecological Function of an Ion Inducing Anti-Predator Behavior in Lithobates Tadpoles by Austin, Cayla E., March, Raymond E., Stock, Naomi L., Murray, Dennis L.

“…In aquatic environments, chemical cues are believed to be associated with prey response to predation risk, yet few basic cue compositions are known despite the…”
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Liquid chromatography/mass spectrometry for the detection of ash tree metabolites following Emerald Ash Borer infestation by Stock, Naomi L., Doran, Michael C., Bonners, Ron F., March, Raymond E.

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A comparison of flavonoid glycosides by electrospray tandem mass spectrometry by March, Raymond E., Lewars, Errol G., Stadey, Christopher J., Miao, Xiu-Sheng, Zhao, Xiaoming, Metcalfe, Chris D.

“…A comparison is presented of product ion mass spectra of protonated and deprotonated molecules of kaempferol-3-O-glucoside, quercitin-3-O-glucoside…”
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Experimental characterization of the mechanism of perfluorocarboxylic acids' liver protein bioaccumulation: The key role of the neutral species by Woodcroft, Mark W., Ellis, David A., Rafferty, Steven P., Burns, Darcy C., March, Raymond E., Stock, Naomi L., Trumpour, Kyle S., Yee, Janet, Munro, Kim

“…Perfluorocarboxylic acids (PFCAs) of chain length greater than seven carbon atoms bioconcentrate in the livers of fish. However, a mechanistic cause for the…”
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Isomerization and Fragmentation Products of CH2Cl2 and Other Dihalomethanes in Rare-Gas Matrices:  An Electron Bombardment Matrix-Isolation FTIR Spectroscopic Study by Fridgen, Travis D, Zhang, Xiaokui K, Parnis, J. Mark, March, Raymond E

“…Isodihalomethanes have been isolated by electron bombardment of CH2Cl2, CD2Cl2, CH2Br2, or CH2ClBr in argon, krypton, or xenon followed by condensation on a 15…”
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Estrogenic potency of chemicals detected in sewage treatment plant effluents as determined by in vivo assays with Japanese medaka (Oryzias latipes) by Metcalfe, Chris D., Metcalfe, Tracy L., Kiparissis, Yiannis, Koenig, Brenda G., Khan, Colin, Hughes, Richard J., Croley, Timothy R., March, Raymond E., Potter, Thomas

“…Gonadal intersex and high prevalences of the female phenotype have been observed in fish populations in urbanized areas. Environmental estrogens discharged in…”
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A fragmentation study of kaempferol using electrospray quadrupole time-of-flight mass spectrometry at high mass resolution by March, Raymond E., Miao, Xiu-Sheng

“…A mass spectrometric method based on the combined use of electrospray ionization, collision-induced dissociation and tandem mass spectrometry at high mass…”
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An investigation of paint from a mural in the church of Sainte Madeleine, Manas, France by March, Raymond E., Papanastasiou, Malvina, McMahon, Adam W., Allen, Norman S.

“…The pigment in brown paint samples taken from a church in the Drôme region of France has been shown to be almost pure 6‐bromoindigo and 6,6′‐dibromoindigo. The…”
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