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Items: 1 to 50 of 65

1.

Structural Characterization of Methylenedianiline Regioisomers by Ion Mobility-Mass Spectrometry, Tandem Mass Spectrometry, and Computational Strategies. 3. MALDI Spectra of 2-Ring Isomers.

Stow SM, Crescentini TM, Forsythe JG, May JC, McLean JA, Hercules DM.

Anal Chem. 2017 Sep 19;89(18):9900-9910. doi: 10.1021/acs.analchem.7b02133. Epub 2017 Aug 30.

2.

Novel behavior of the chromatographic separation of linear and cyclic polymers.

Montenegro-Burke JR, Bennett JM, McLean JA, Hercules DM.

Anal Bioanal Chem. 2016 Jan;408(3):677-81. doi: 10.1007/s00216-015-9198-9. Epub 2015 Dec 4.

3.

MALDI-TOF/TOF CID Study of Poly(1,4-dihydroxybenzene terephthalate) Fragmentation Reactions.

Gies AP, Stow SM, McLean JA, Hercules DM.

Polymer (Guildf). 2015 May 1;64:100-111.

4.

Structural Characterization of Methylenedianiline Regioisomers by Ion Mobility-Mass Spectrometry, Tandem Mass Spectrometry, and Computational Strategies. 2. Electrospray Spectra of 3-Ring and 4-Ring Isomers.

Stow SM, Onifer TM, Forsythe JG, Nefzger H, Kwiecien NW, May JC, McLean JA, Hercules DM.

Anal Chem. 2015 Jun 16;87(12):6288-96. doi: 10.1021/acs.analchem.5b01084. Epub 2015 May 22.

5.

Structural characterization of methylenedianiline regioisomers by ion mobility-mass spectrometry, tandem mass spectrometry, and computational strategies: I. Electrospray spectra of 2-ring isomers.

Forsythe JG, Stow SM, Nefzger H, Kwiecien NW, May JC, McLean JA, Hercules DM.

Anal Chem. 2014 May 6;86(9):4362-70. doi: 10.1021/ac5001652. Epub 2014 Apr 10.

6.

Collision induced dissociation study of ester-based polyurethane fragmentation reactions.

Gies AP, Hercules DM.

Anal Chim Acta. 2014 Jan 15;808:199-219. doi: 10.1016/j.aca.2013.09.035. Epub 2013 Sep 27. Erratum in: Anal Chim Acta. 2015 Sep 24;894:91.

PMID:
24370105
7.

Matrix-assisted laser desorption/ionization-time-of-flight/time-of-flight collision-induced dissociation study of poly(p-phenylenediamine terephthalamide) fragmentation reactions.

Gies AP, Ellison ST, Stow SM, Hercules DM.

Anal Chim Acta. 2014 Jan 15;808:124-43. doi: 10.1016/j.aca.2013.09.007. Epub 2013 Sep 10.

PMID:
24370099
8.

MALDI-TOF MS stability study of model poly(p-phenylene terephthalamide)s.

Gies AP, Schotman A, Hercules DM.

Anal Bioanal Chem. 2010 Feb;396(4):1481-90. doi: 10.1007/s00216-009-3356-x. Epub 2009 Dec 31.

PMID:
20043221
9.

Species-dependent hepatic metabolism of immunosuppressive agent tacrolimus (FK-506).

Tata PN, Subbotina N, Burckart GJ, Muddiman DC, Gusev AI, Hercules DM, Starzl TE, Venkataramanan R.

Xenobiotica. 2009 Oct;39(10):757-65. doi: 10.1080/00498250903114478.

PMID:
19604035
10.

MALDI-TOF/TOF CID study of poly(alpha-methylstyrene) fragmentation reactions.

Gies AP, Ellison ST, Vergne MJ, Orndorff RL, Hercules DM.

Anal Bioanal Chem. 2008 Oct;392(4):627-42. doi: 10.1007/s00216-008-2310-7. Epub 2008 Aug 16.

PMID:
18709363
11.

Polymer MS-MS by MALDI: some advances and some challenges.

Hercules DM.

Anal Bioanal Chem. 2008 Oct;392(4):571-3. doi: 10.1007/s00216-008-2298-z. No abstract available.

PMID:
18677618
12.

MALDI-TOF/TOF CID study of 4-alkyl-substituted polystyrene fragmentation reactions.

Gies AP, Vergne MJ, Orndorff RL, Hercules DM.

Anal Bioanal Chem. 2008 Oct;392(4):609-26. doi: 10.1007/s00216-008-2139-0. Epub 2008 Jun 8.

PMID:
18537031
13.

Synthesis and characterization of a pegylated derivative of 3-(1,2,3,6-tetrahydro-pyridin-4yl)-1H-indole (IDT199): a high affinity SERT ligand for conjugation to quantum dots.

Tomlinson ID, Warnerment MR, Mason JN, Vergne MJ, Hercules DM, Blakely RD, Rosenthal SJ.

Bioorg Med Chem Lett. 2007 Oct 15;17(20):5656-60. Epub 2007 Aug 21.

PMID:
17766114
14.

Electrospray mass spectrometry study of tiopronin monolayer-protected gold nanoclusters.

Gies AP, Hercules DM, Gerdon AE, Cliffel DE.

J Am Chem Soc. 2007 Feb 7;129(5):1095-104.

PMID:
17263390
15.

Universal polyethylene glycol linkers for attaching receptor ligands to quantum dots.

Tomlinson ID, Gies AP, Gresch PJ, Dillard J, Orndorff RL, Sanders-Bush E, Hercules DM, Rosenthal SJ.

Bioorg Med Chem Lett. 2006 Dec 15;16(24):6262-6. Epub 2006 Sep 26.

PMID:
17000112
16.

Preparation of Pt-Re/Vulcan carbon nanocomposites using a single-source molecular precursor and relative performance as a direct methanol fuel cell electrooxidation catalyst.

Anderson AD, Deluga GA, Moore JT, Vergne MJ, Hercules DM, Kenik EA, Lukehart CM.

J Nanosci Nanotechnol. 2004 Sep;4(7):809-16.

PMID:
15570964
18.

Matrix-assisted laser desorption/ionization mass spectrometry of discrete mass poly(butylene glutarate) oligomers.

Williams JB, Chapman TM, Hercules DM.

Anal Chem. 2003 Jul 1;75(13):3092-100.

PMID:
12964756
19.

Surface characterization of WO(3)/ZrO(2) catalysts.

Vaidyanathan N, Hercules DM, Houalla M.

Anal Bioanal Chem. 2002 Aug;373(7):547-54. Epub 2002 Jul 6.

PMID:
12185566
20.

Polymer characterization by combining liquid chromatography with MALDI and ESI mass spectrometry.

Murgasova R, Hercules DM.

Anal Bioanal Chem. 2002 Jul;373(6):481-9. Epub 2002 Jun 12.

PMID:
12172683
21.

Combinations of microphase separation and terminal multiple hydrogen bonding in novel macromolecules.

Yamauchi K, Lizotte JR, Hercules DM, Vergne MJ, Long TE.

J Am Chem Soc. 2002 Jul 24;124(29):8599-604.

PMID:
12121101
22.
23.

Measurement of chiral complexes of cyclodextrins and amino acids by electrospray ionization time-of-flight mass spectrometry.

Cheng Y, Hercules DM.

J Mass Spectrom. 2001 Jul;36(7):834-6. No abstract available.

PMID:
11473408
25.

LC-MS/MS signal suppression effects in the analysis of pesticides in complex environmental matrices.

Choi BK, Hercules DM, Gusev AI.

Fresenius J Anal Chem. 2001 Feb;369(3-4):370-7.

PMID:
11293718
26.

Characterization of isopoly tungstate using time-of-flight electrospray mass spectrometry.

Truebenbach CS, Hercules DM, Houalla M.

Fresenius J Anal Chem. 2001 Feb;369(3-4):335-41.

PMID:
11293713
27.

Electrospray and matrix-assisted laser desorption/ionization mass spectral characterization of linear single nylon-6 oligomers.

Shan L, Murgasova R, Hercules DM, Houalla M.

J Mass Spectrom. 2001 Feb;36(2):140-4.

PMID:
11288195
28.
29.

Characterization of polyphosphates by electrospray mass spectrometry

Choi BK, Hercules DM, Houalla M.

Anal Chem. 2000 Oct 15;72(20):5087-91.

PMID:
11055732
30.
31.
32.

Characterization of isopoly metal oxyanions using electrospray time-of-flight mass spectrometry

Truebenbach CS, Houalla M, Hercules DM.

J Mass Spectrom. 2000 Sep;35(9):1121-7.

PMID:
11006606
33.

Characterization of polyether and polyester polyurethane soft blocks using MALDI mass spectrometry

Mehl JT, Murgasova R, Dong X, Hercules DM, Nefzger H.

Anal Chem. 2000 Jun 1;72(11):2490-8.

PMID:
10857625
34.

Direct TLC-MALDI coupling using a hybrid plate.

Mehl JT, Hercules DM.

Anal Chem. 2000 Jan 1;72(1):68-73.

PMID:
10655636
35.
36.

Separation and detection of carcinogen-adducted oligonucleotides.

Isbell DT, Gusev AI, Taranenko NI, Chen CH, Hercules DM.

J Mass Spectrom. 1999 Jul;34(7):774-6. No abstract available.

PMID:
10407363
37.

Atomic force microscopy used for the surface characterization of microcapsule immunoisolation devices.

Xu K, Hercules DM, Lacik I, Wang TG.

J Biomed Mater Res. 1998 Sep 5;41(3):461-7.

PMID:
9659616
38.

Characterization of polysiloxanes with different functional groups by time-of-flight secondary ion mass spectrometry.

Dong X, Gusev A, Hercules DM.

J Am Soc Mass Spectrom. 1998 Apr;9(4):292-8. doi: 10.1016/S1044-0305(98)00003-8.

PMID:
27518864
39.

Metabolism of tacrolimus (FK 506) in rat liver microsomes. Effect of rifampin and dexamethasone.

Prasad, Tata NV, Subbotina N, Burckart G, Swaminathan A, Gusev AI, Hercules DM, Venkataramanan R.

Res Commun Mol Pathol Pharmacol. 1997 Apr;96(1):107-10.

PMID:
9178371
40.
41.

Quantitative surface characterization using X-ray photoelectron spectroscopy.

Hercules DM.

Anal Bioanal Chem. 1996 Jun;355(3-4):209-15.

PMID:
15045366
42.

Enhancement of ion intensity in time-of-flight secondary-ionization mass spectrometry.

Nicola AJ, Muddiman DC, Hercules DM.

J Am Soc Mass Spectrom. 1996 May;7(5):467-72. doi: 10.1016/1044-0305(96)00006-2.

PMID:
24203401
43.

Direct quantitative analysis of peptides using matrix assisted laser desorption ionization.

Gusev AI, Wilkinson WR, Proctor A, Hercules DM.

Anal Bioanal Chem. 1996 Feb;354(4):455-63.

PMID:
15048433
44.

A quantitative study of in vitro hepatic metabolism of tacrolimus (FK506) using secondary ion and matrix-assisted laser desorption/ionization mass spectrometry.

Gusev AI, Muddiman DC, Proctor A, Sharkey AG, Hercules DM, Tata PN, Venkataramanan R.

Rapid Commun Mass Spectrom. 1996;10(10):1215-8.

PMID:
8759330
45.

Application of the fast-evaporation sample preparation method for improving quantification of angiotensin II by matrix-assisted laser desorption/ionization.

Nicola AJ, Gusev AI, Proctor A, Jackson EK, Hercules DM.

Rapid Commun Mass Spectrom. 1995;9(12):1164-71.

PMID:
7579628
46.

Quantitative measurement of cyclosporin A in blood by time-of-flight mass spectrometry.

Muddiman DC, Gusev AI, Proctor A, Hercules DM, Venkataramanan R, Diven W.

Anal Chem. 1994 Jul 15;66(14):2362-8.

PMID:
8080109
47.

A freshwater bioprobe: Periostracum of the Asian Clam, Corbicula fluminea (Müller) combined with laser microprobe mass spectrometer.

Hutchinson PJ, Rollins H, Sharkey AG, Prezant RS, Kim Y, Hercules DM.

Environ Pollut. 1993;79(1):95-100.

PMID:
15091918
48.

Solid state chemical ionization for characterization of organic compounds by laser mass spectrometry.

Balasanmugam K, Viswanadham SK, Hercules DM.

Talanta. 1989 Jan-Feb;36(1-2):117-24.

PMID:
18964680
49.

Electron spectroscopic (ESCA) studies of platinum surfaces used for enzyme electrodes.

Proctor A, Castner JF, Wingard LB Jr, Hercules DM.

Anal Chem. 1985 Jul;57(8):1644-9. No abstract available.

PMID:
4037333
50.

Surface spectroscopic studies of Biomer.

Graham SW, Hercules DM.

J Biomed Mater Res. 1981 Jul;15(4):465-77.

PMID:
7276017

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