Daniel R. Knapp

Title
InstitutionMedical University of South Carolina
DepartmentCell and Molecular Pharmacology and Experimental Therapeutics
AddressP.O. Box MSC 505
316
173 Ashley Ave.
Phone843-792-5830
Fax843-792-2475
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Nayak R, Knapp DR. Matrix-free LDI mass spectrometry platform using patterned nanostructured gold thin film. Anal Chem. 2010 Sep 15; 82(18):7772-8. PMID: 20799713.
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    2. Sen AK, Darabi J, Knapp DR. Design, fabrication and test of a microfluidic nebulizer chip for desorption electrospray ionization mass spectrometry. Sens Actuators B Chem. 2009 Apr 02; 137(2):789-796. PMID: 20161284.
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    3. Nayak R, Liu J, Sen AK, Knapp DR. Dual desorption electrospray ionization-laser desorption ionization mass spectrometry on a common nanoporous alumina platform for enhanced shotgun proteomic analysis. Anal Chem. 2008 Nov 15; 80(22):8840-4. PMID: 18937429.
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    4. Waller LN, Shores K, Knapp DR. Shotgun proteomic analysis of cerebrospinal fluid using off-gel electrophoresis as the first-dimension separation. J Proteome Res. 2008 Oct; 7(10):4577-84. PMID: 18778093.
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    5. Sen AK, Nayak R, Darabi J, Knapp DR. Use of nanoporous alumina surface for desorption electrospray ionization mass spectrometry in proteomic analysis. Biomed Microdevices. 2008 Aug; 10(4):531-8. PMID: 18204903.
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    6. Schilling M, Knapp DR. Enrichment of phosphopeptides using biphasic immobilized metal affinity-reversed phase microcolumns. J Proteome Res. 2008 Sep; 7(9):4164-72. PMID: 18642943.
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    7. Chen G, Svec F, Knapp DR. Light-actuated high pressure-resisting microvalve for on-chip flow control based on thermo-responsive nanostructured polymer. Lab Chip. 2008 Jul; 8(7):1198-204. PMID: 18584098.
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    8. Shores KS, Udugamasooriya DG, Kodadek T, Knapp DR. Use of peptide analogue diversity library beads for increased depth of proteomic analysis: application to cerebrospinal fluid. J Proteome Res. 2008 May; 7(5):1922-31. PMID: 18357977.
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    9. Shores KS, Knapp DR. Assessment approach for evaluating high abundance protein depletion methods for cerebrospinal fluid (CSF) proteomic analysis. J Proteome Res. 2007 Sep; 6(9):3739-51. PMID: 17696521.
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    10. Nayak R, Knapp DR. Effects of thin-film structural parameters on laser desorption/ionization from porous alumina. Anal Chem. 2007 Jul 01; 79(13):4950-6. PMID: 17547367.
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    11. Ablonczy Z, Kono M, Knapp DR, Crouch RK. Palmitylation of cone opsins. Vision Res. 2006 Dec; 46(27):4493-501. PMID: 16989884.
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    12. Pirlo RK, Dean DM, Knapp DR, Gao BZ. Cell deposition system based on laser guidance. Biotechnol J. 2006 Sep; 1(9):1007-13. PMID: 16941447.
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    13. Ro KW, Nayak R, Knapp DR. Monolithic media in microfluidic devices for proteomics. Electrophoresis. 2006 Sep; 27(18):3547-58. PMID: 16927347.
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    14. Ro KW, Liu J, Knapp DR. Plastic microchip liquid chromatography-matrix-assisted laser desorption/ionization mass spectrometry using monolithic columns. J Chromatogr A. 2006 Apr 07; 1111(1):40-7. PMID: 16480733.
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    15. Cook LA, Schey KL, Wilcox MD, Dingus J, Ettling R, Nelson T, Knapp DR, Hildebrandt JD. Proteomic analysis of bovine brain G protein gamma subunit processing heterogeneity. Mol Cell Proteomics. 2006 Apr; 5(4):671-85. PMID: 16332732.
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    16. Ablonczy Z, Darrow RM, Knapp DR, Organisciak DT, Crouch RK. Rhodopsin phosphorylation in rats exposed to intense light. Photochem Photobiol. 2005 May-Jun; 81(3):541-7. PMID: 15504085.
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    17. Ablonczy Z, Crouch RK, Knapp DR. Mass spectrometric analysis of integral membrane proteins at the subpicomolar level: application to rhodopsin. J Chromatogr B Analyt Technol Biomed Life Sci. 2005 Oct 25; 825(2):169-75. PMID: 16213448.
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    18. Knapp DR. Let's preserve proper terminology. J Proteome Res. 2005 Mar-Apr; 4(2):211; discussion 211. PMID: 15856608.
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    19. Wang X, Kim SH, Ablonczy Z, Crouch RK, Knapp DR. Probing rhodopsin-transducin interactions by surface modification and mass spectrometry. Biochemistry. 2004 Sep 07; 43(35):11153-62. PMID: 15366925.
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    20. Ro KW, Liu J, Busman M, Knapp DR. Capillary high-performance liquid chromatography-electrospray ionization mass spectrometry using monolithic columns and carbon fiber electrospray ionization emitters. J Chromatogr A. 2004 Aug 20; 1047(1):49-57. PMID: 15481459.
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    21. Liu J, Ro KW, Busman M, Knapp DR. Electrospray ionization with a pointed carbon fiber emitter. Anal Chem. 2004 Jul 01; 76(13):3599-606. PMID: 15228330.
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    22. Ablonczy Z, Crouch RK, Goletz PW, Redmond TM, Knapp DR, Ma JX, Rohrer B. 11-cis-retinal reduces constitutive opsin phosphorylation and improves quantum catch in retinoid-deficient mouse rod photoreceptors. J Biol Chem. 2002 Oct 25; 277(43):40491-8. PMID: 12176991.
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    23. Ablonczy Z, Goletz P, Knapp DR, Crouch RK. Mass spectrometric analysis of porcine rhodopsin. Photochem Photobiol. 2002 Mar; 75(3):316-21. PMID: 11950099.
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    24. McIntire WE, Schey KL, Knapp DR, Dingus J, Hildebrandt JD. Characterization of deamidated G protein subunits. Methods Enzymol. 2002; 344:481-505. PMID: 11771405.
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    25. Knapp DR, Crouch RK, Ball LE, Gelasco AK, Ablonczy Z. Mass spectrometric analysis of G protein-coupled receptors. Methods Enzymol. 2002; 343:157-61. PMID: 11665563.
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    26. Gelasco AK, Crouch RK, Knapp DR. Probing the higher order structure of G protein-coupled receptors using tethered cleavage methods. Methods Enzymol. 2002; 343:162-70. PMID: 11665564.
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    27. Ablonczy Z, Kono M, Crouch RK, Knapp DR. Mass spectrometric analysis of integral membrane proteins at the subnanomolar level: application to recombinant photopigments. Anal Chem. 2001 Oct 15; 73(20):4774-9. PMID: 11681450.
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    28. Kim JS, Knapp DR. Miniaturized multichannel electrospray ionization emitters on poly(dimethylsiloxane) microfluidic devices. Electrophoresis. 2001 Oct; 22(18):3993-9. PMID: 11700731.
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    29. Knapp DR, Kim JS. Inexpensive cleanroom for microfabrication, microarray work, and other activities requiring protection from airborne contamination. Biotechniques. 2001 Oct; 31(4):842, 844, 846. PMID: 11680715.
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    30. Kim JS, Knapp DR. Microfabrication of polydimethylsiloxane electrospray ionization emitters. J Chromatogr A. 2001 Jul 27; 924(1-2):137-45. PMID: 11521860.
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    31. Kim JS, Knapp DR. Microfabricated PDMS multichannel emitter for electrospray ionization mass spectrometry. J Am Soc Mass Spectrom. 2001 Apr; 12(4):463-9. PMID: 11322193.
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    32. Ablonczy Z, Knapp DR, Darrow R, Organisciak DT, Crouch RK. Mass spectrometric analysis of rhodopsin from light damaged rats. Mol Vis. 2000 Jun 27; 6:109-15. PMID: 10874059.
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    33. Gelasco A, Crouch RK, Knapp DR. Intrahelical arrangement in the integral membrane protein rhodopsin investigated by site-specific chemical cleavage and mass spectrometry. Biochemistry. 2000 Apr 25; 39(16):4907-14. PMID: 10769149.
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    34. McIntire WE, Schey KL, Knapp DR, Hildebrandt JD. A major G protein alpha O isoform in bovine brain is deamidated at Asn346 and Asn347, residues involved in receptor coupling. Biochemistry. 1998 Oct 20; 37(42):14651-8. PMID: 9778339.
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    35. Ball LE, Oatis JE, Dharmasiri K, Busman M, Wang J, Cowden LB, Galijatovic A, Chen N, Crouch RK, Knapp DR. Mass spectrometric analysis of integral membrane proteins: application to complete mapping of bacteriorhodopsins and rhodopsin. Protein Sci. 1998 Mar; 7(3):758-64. PMID: 9541408.
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    36. Busman M, Schey KL, Oatis JE, Knapp DR. Identification of phosphorylation sites in phosphopeptides by positive and negative mode electrospray ionization-tandem mass spectrometry. J Am Soc Mass Spectrom. 1996 Mar; 7(3):243-9. PMID: 24203295.
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    37. Scarberry RE, Zhang Z, Knapp DR. Peptide sequence determination from high-energy collision-induced dissociation spectra using artificial neural networks. J Am Soc Mass Spectrom. 1995 Oct; 6(10):947-61. PMID: 24214039.
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    38. Beischel CJ, Knapp DR, Govindjee R, Ebrey TG, Crouch RK. Azidotetrafluorophenyl retinal analogue: synthesis and bacteriorhodopsin pigment formation. Photochem Photobiol. 1994 Jul; 60(1):64-8. PMID: 7794419.
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    39. Beischel CJ, Gray K, Hazard ES, Knapp DR, Crouch RK. Evaluation of photoaffinity labeled sites of bacteriorhodopsin using molecular modeling. Biochem Mol Biol Int. 1994 Apr; 32(5):933-9. PMID: 8069243.
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    40. Busman M, Knapp DR, Schey KL. Observation of large multimers in the electrospray ionization mass spectrometry of peptides. Rapid Commun Mass Spectrom. 1994 Feb; 8(2):211-6. PMID: 8155900.
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    41. Knapp DR, Oatis JE, Papac DI. Small-scale manual multiple peptide synthesis system. Application to phosphopeptide synthesis. Int J Pept Protein Res. 1993 Sep; 42(3):259-63. PMID: 8225781.
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    42. Finch JW, Crouch RK, Knapp DR, Schey KL. Mass spectrometric identification of modifications to human serum albumin treated with hydrogen peroxide. Arch Biochem Biophys. 1993 Sep; 305(2):595-9. PMID: 8373198.
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    43. Papac DI, Oatis JE, Crouch RK, Knapp DR. Mass spectrometric identification of phosphorylation sites in bleached bovine rhodopsin. Biochemistry. 1993 Jun 15; 32(23):5930-4. PMID: 8507634.
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    44. Schey KL, Papac DI, Knapp DR, Crouch RK. Matrix-assisted laser desorption mass spectrometry of rhodopsin and bacteriorhodopsin. Biophys J. 1992 Nov; 63(5):1240-3. PMID: 1477275.
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    45. Papac DI, Thornburg KR, B├╝llesbach EE, Crouch RK, Knapp DR. Palmitylation of a G-protein coupled receptor. Direct analysis by tandem mass spectrometry. J Biol Chem. 1992 Aug 25; 267(24):16889-94. PMID: 1512231.
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    46. Beischel CJ, Mani V, Govindjee R, Ebrey TG, Knapp DR, Crouch RK. Ring oxidized retinals form unusual bacteriorhodopsin analogue pigments. Photochem Photobiol. 1991 Dec; 54(6):977-83. PMID: 1775535.
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    47. Papac DI, Schey KL, Knapp DR. Combination electrospray-liquid secondary ion mass spectrometry ion source. Anal Chem. 1991 Aug 01; 63(15):1658-60. PMID: 1952088.
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    48. Morinelli TA, Mais DE, Oatis JE, Mayeux PR, Okwu AK, Masuda A, Knapp DR, Halushka PV. I-BOP, the most potent radiolabelled agonist for the TXA2/PGH2 receptor. Adv Prostaglandin Thromboxane Leukot Res. 1990; 20:102-9. PMID: 2144685.
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    49. Morinelli TA, Oatis JE, Okwu AK, Mais DE, Mayeux PR, Masuda A, Knapp DR, Halushka PV. Characterization of an 125I-labeled thromboxane A2/prostaglandin H2 receptor agonist. J Pharmacol Exp Ther. 1989 Nov; 251(2):557-62. PMID: 2530338.
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    50. Vrbanac JJ, Eller TD, Knapp DR. Quantitative analysis of 6-keto-prostaglandin F1 alpha using immunoaffinity purification and gas chromatography-mass spectrometry. J Chromatogr. 1988 Mar 04; 425(1):1-9. PMID: 2452173.
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