| Polyamine and polyamine analog regulation of spermidine/spermine N1-acetyltransferase in MALME-3M human melanoma cells. M Fogel-Petrovic, NW Shappell, RJ Bergeron, CW Porter Journal of Biological Chemistry 268 (25), 19118-19125, 1993 | 117 | 1993 |
| Bioassay of estrogenicity and chemical analyses of estrogens in streams across the United States associated with livestock operations DA Alvarez, NW Shappell, LO Billey, DS Bermudez, VS Wilson, ... Water research 47 (10), 3347-3363, 2013 | 116 | 2013 |
| Surveillance of plasticizers, bisphenol A, steroids and caffeine in surface water of River Ganga and Sundarban wetland along the Bay of Bengal: occurrence, sources … P Chakraborty, NW Shappell, M Mukhopadhyay, S Onanong, KR Rex, ... Water Research 190, 116668, 2021 | 114 | 2021 |
| Estrogenic activity and steroid hormones in swine wastewater through a lagoon constructed-wetland system NW Shappell, LO Billey, D Forbes, TA Matheny, ME Poach, GB Reddy, ... Environmental science & technology 41 (2), 444-450, 2007 | 109 | 2007 |
| Effects of dietary calcium and age on parathyroid hormone, calcitonin and serum and milk minerals in the periparturient dairy cow NW Shappell, JH Herbein, LJ Deftos, RJ Aiello The Journal of nutrition 117 (1), 201-207, 1987 | 107 | 1987 |
| Comparative biological effects and potency of 17α-and 17β-estradiol in fathead minnows NW Shappell, KM Hyndman, SE Bartell, HL Schoenfuss Aquatic toxicology 100 (1), 1-8, 2010 | 103 | 2010 |
| Destruction of estrogens using Fe-TAML/peroxide catalysis NW Shappell, MA Vrabel, PJ Madsen, G Harrington, LO Billey, H Hakk, ... Environmental science & technology 42 (4), 1296-1300, 2008 | 103 | 2008 |
| ELISA for sulfonamides and its application for screening in water contamination WL Shelver, NW Shappell, M Franek, FR Rubio Journal of Agricultural and Food Chemistry 56 (15), 6609-6615, 2008 | 97 | 2008 |
| Comparing biological effects and potencies of estrone and 17β-estradiol in mature fathead minnows, Pimephales promelas AA Dammann, NW Shappell, SE Bartell, HL Schoenfuss Aquatic Toxicology 105 (3-4), 559-568, 2011 | 95 | 2011 |
| Regulation of spermidine/spermine N1-acetyltransferase by intracellular polyamine pools: evidence for a functional role in polyamine homeostasis NW Shappell, MF Fogel-Petrovic, CW Porter FEBS letters 321 (2-3), 179-183, 1993 | 90 | 1993 |
| Estrogenic activity in the environment: municipal wastewater effluent, river, ponds, and wetlands NW Shappell Journal of Environmental Quality 35 (1), 122-132, 2006 | 75 | 2006 |
| Differential effects of the spermine analog, N1, N12-bis (ethyl)-spermine, on polyamine metabolism and cell growth in human melanoma cell lines and melanocytes. NW Shappell, JT Miller, RJ Bergeron, CW Porter Anticancer research 12 (4), 1083-1089, 1992 | 69 | 1992 |
| Epimerization of ergopeptine alkaloids in organic and aqueous solvents DJ Smith, NW Shappell Journal of Animal Science 80 (6), 1616-1622, 2002 | 63 | 2002 |
| Endoplasmic reticulum lumenal proteins of rat mammary gland. Potential involvement in lipid droplet assembly during lactation D Ghosal, NW Shappell, TW Keenan Biochimica et Biophysica Acta (BBA)-General Subjects 1200 (2), 175-181, 1994 | 50 | 1994 |
| Ergovaline toxicity on Caco-2 cells as assessed by MTT, alamarBlue, and DNA assays NW Shappell In Vitro Cellular & Developmental Biology-Animal 39 (7), 329-335, 2003 | 46 | 2003 |
| Response of C2C12 mouse and turkey skeletal muscle cells to the β-adrenergic agonist ractopamine NW Shappell, VJ Feil, DJ Smith, GL Larsen, DC McFarland Journal of animal science 78 (3), 699-708, 2000 | 46 | 2000 |
| Distribution of animal drugs between skim milk and milk fat fractions in spiked whole milk: Understanding the potential impact on commercial milk products H Hakk, NW Shappell, SJ Lupton, WL Shelver, W Fanaselle, D Oryang, ... Journal of Agricultural and Food Chemistry 64 (1), 326-335, 2016 | 38 | 2016 |
| Effects of liquid swine manure on dissipation of 17β-estradiol in soil KK Zitnick, NW Shappell, H Hakk, TM DeSutter, E Khan, FXM Casey Journal of hazardous materials 186 (2-3), 1111-1117, 2011 | 38 | 2011 |
| Distribution of animal drugs among curd, whey, and milk protein fractions in spiked skim milk and whey NW Shappell, WL Shelver, SJ Lupton, W Fanaselle, JM Van Doren, ... Journal of agricultural and food chemistry 65 (4), 938-949, 2017 | 37 | 2017 |
| Estrogenicity and nutrient concentration of surface waters surrounding a large confinement dairy operation using best management practices for land application of animal wastes NW Shappell, KH Elder, M West Environmental science & technology 44 (7), 2365-2371, 2010 | 34 | 2010 |
