Search Results - "Yeh, Herman J. C"

Phantasmidine: An Epibatidine Congener from the Ecuadorian Poison Frog Epipedobates anthonyi by Fitch, Richard W, Spande, Thomas F, Garraffo, H. Martin, Yeh, Herman J. C, Daly, John W

“…The skin of the Ecuadorian poison frog Epipedobates anthonyi contains the potent nicotinic agonists epibatidine (1) and N-methylepibatidine (3). In addition, a…”
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Bioassay-Guided Isolation of Epiquinamide, a Novel Quinolizidine Alkaloid and Nicotinic Agonist from an Ecuadoran Poison Frog, Epipedobates tricolor by FITCH, Richard W., GARRAFFO, H. Martin, SPANDE, Thomas F., YEH, Herman J. C., DALY, John W.

“…Analytical HPLC fractionation, combined with an off-line 96-well fluorescent bioassay screen, has been developed and used for the separation and screening of a…”
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The AUUCU Repeats Responsible for Spinocerebellar Ataxia Type 10 Form Unusual RNA Hairpins by Handa, Vaishali, Yeh, Herman J.C., McPhie, Peter, Usdin, Karen

“…Spinocerebellar ataxia type 10 is an autosomal dominant disorder caused by expansion of a pentameric repeat tract (ATTCT·AGAAT)n in intron 9 of the gene that…”
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Methyl Group-Induced Helicity in 1,4-Dimethylbenzo[c]phenanthrene and Its Metabolites:  Synthesis, Physical, and Biological Properties by Lakshman, Mahesh K, Kole, Panna L, Chaturvedi, Surendrakumar, Saugier, Joseph H, Yeh, Herman J. C, Glusker, Jenny P, Carrell, H. L, Katz, Amy K, Afshar, Carol E, Dashwood, Won-Mohaiza, Kenniston, Gary, Baird, William M

“…1,4-Dimethylbenzo[c]phenanthrene (1,4-DMBcPh) is the dimethylated analogue of the benzo[c]phenanthrene (BcPh), where one of its two methyl groups resides in…”
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A Revised Structure for Alkaloid 235C Isolated from Skin Extracts of Mantellid (Mantella) Frogs of Madagascar by Andriamaharavo, N. Rabe, Andriantsiferana, Marta, Stevenson, Paul A, O'Mahony, Gavin, Yeh, Herman J. C, Kaneko, Tetsuo, Garraffo, H. Martin, Spande, Thomas F, Daly, John W

“…Madagascan frogs of the mantellid genus Mantella have been a rich source of alkaloids derived from dietary arthropods. Two species of frogs, inhabiting swamp…”
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Indolizidine 239Q and quinolizidine 275I. Major alkaloids in two Argentinian bufonid toads ( Melanophryniscus) by Daly, John W., Garraffo, H. Martin, Spande, Thomas F., Yeh, Herman J.C., Peltzer, Paola M., Cacivio, Pedro M., Baldo, J. Diego, Faivovich, Julián

“…Alkaloid profiles in skin of poison frogs/toads (Dendrobatidae, Mantellidae, Bufonidae, and Myobatrachidae) are highly dependent on diet and hence on the…”
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Epibatidine: a novel (chloropyridyl)azabicycloheptane with potent analgesic activity from an Ecuadoran poison frog by Spande, Thomas F, Garraffo, Hugo Martin, Edwards, Michael W, Yeh, Herman J. C, Pannell, Lewis, Daly, John W

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A 1,4-Disubstituted Quinolizidine from a Madagascan Mantelline Frog (Mantella) by Jain, Poonam, Garraffo, H. Martin, Yeh, Herman J. C, Spande, Thomas F, Daly, John W, Andriamaharavo, N. R, Andriantsiferana, M

“…A major alkaloid, 217A, in skin extracts of a mantelline frog (Mantella baroni) was isolated by HPLC and the structure defined by 1H-NMR spectral analysis as…”
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Solution Structure of a Cis-Opened (10R)-N 6-Deoxyadenosine Adduct of (9S,10R)-9,10-Epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene in a DNA Duplex by Volk, David E, Thiviyanathan, Varatharasa, Rice, Jeffrey S, Luxon, Bruce A, Shah, Jamshed H, Yagi, Haruhiko, Sayer, Jane M, Yeh, Herman J. C, Jerina, Donald M, Gorenstein, David G

“…The solution structure of an 11-mer DNA duplex, d(CGGTCA*CGAGG)·d(CCTCGTGACCG), containing a 10R adduct at dA*that corresponds to the cis addition of the N…”
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Solution Structure of a Trans-Opened (10S)-dA Adduct of (+)-(7S,8R,9S,10R)-7,8-Dihydroxy-9,10-epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene in a Fully Complementary DNA Duplex:  Evidence for a Major Syn Conformation by Pradhan, Padmanava, Tirumala, Sampath, Liu, Xiaohong, Sayer, Jane M, Jerina, Donald M, Yeh, Herman J. C

“…Two-dimensional NMR was used to determine the solution structure of an undecanucleotide duplex, d(CGGTCACGAGG)·d(CCTCGTGACCG), in which…”
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Halothane and anaesthesia by YEH, HERMAN J. C, MOODY, ERIC J, SKOLNICK, PHIL

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Bioassay-Guided Isolation of Epiquinamide, a Novel Quinolizidine Alkaloid and Nicotinic Agonist from an Ecuadoran Poison Frog, Epipedobates t ricolor by Fitch, Richard W, Garraffo, H. Martin, Spande, Thomas F, Yeh, Herman J. C, Daly, John W

“…Analytical HPLC fractionation, combined with an off-line 96-well fluorescent bioassay screen, has been developed and used for the separation and screening of a…”
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Covalent nucleoside adducts of benzo[a]pyrene 7,8-diol 9,10-epoxides: structural reinvestigation and characterization of a novel adenosine adduct on the ribose moiety by Sayer, Jane M, Chadha, Anju, Agarwal, Shiv K, Yeh, Herman J. C, Yagi, Haruhiko, Jerina, Donald M

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Solution Structure of a Cis-Opened (10R)-N6-Deoxyadenosine Adduct of (9S,10R)-9,10-Epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene in a DNA Duplex by VOLK, David E., THIVIYANATHAN, Varatharasa, RICE, Jeffrey S., LUXON, Bruce A., SHAH, Jamshed H., YAGI, Haruhiko, SAYER, Jane M., YEH, Herman J. C., JERINA, Donald M., GORENSTEIN, David G.

“…The solution structure of an 11-mer DNA duplex, d(CGGTCA*CGAGG) x d(CCTCGTGACCG), containing a 10R adduct at dA* that corresponds to the cis addition of the…”
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Chemical characterization of DNA adducts derived from the configurationally isomeric benzo[c]phenanthrene-3,4-diol 1,2-epoxides by Agarwal, Shiv K, Sayer, Jane M, Yeh, Herman J. C, Pannell, Lewis K, Hilton, Bruce D, Pigott, Margaret A, Dipple, Anthony, Yagi, Haruhiko, Jerina, Donald M

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Proton nuclear magnetic resonance study of equilibriums and paramagnetisms of ferriprotoporphyrin IX-ligand complexations by Wang, Jin-Tsai, Yeh, Herman J. C, Johnson, David F

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Structures of covalent nucleoside adducts formed from adenine, guanine, and cytosine bases of DNA and the optically active bay-region 3,4-diol 1,2-epoxides of benz[a]anthracene by Cheh, Albert M, Chadha, Anju, Sayer, Jane M, Yeh, Herman J. C, Yagi, Haruhiko, Pannell, Lewis K, Jerina, Donald M

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Contact ion association of perchlorate ion. Chlorine-35 nuclear magnetic resonance study. II. Solutions in mixed solvents by Berman, Harvey A, Yeh, Herman J. C, Stengle, Thomas R

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Occurrence and Significance of Decahydroquinolines from Dendrobatid Poison Frogs and a Myrmicine Ant:  Use of 1H and 13C NMR in Their Conformational Analysis by Spande, Thomas F, Jain, Poonam, Garraffo, H. Martin, Pannell, Lewis K, Yeh, Herman J. C, Daly, John W, Fukumoto, Sinji, Imamura, Kohji, Tokuyama, Takashi, Torres, Juan A, Snelling, Roy R, Jones, Tappey H

“…Structures for 2,5-disubstituted decahydroquinolines (DHQs) are reported for the two diastereomeric pairs cis-275B (14) and cis-275B‘ (15) and…”
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Structures of covalent nucleoside adducts formed from adenine, guanine, and cytosine bases of DNA and the optically active bay-region 3,4-diol 1,2-epoxides of dibenz[a,j]anthracene by Chadha, Anju, Sayer, Jane M, Yeh, Herman J. C, Yagi, Haruhiko, Cheh, Albert M, Pannell, Lewis K, Jerina, Donald M

“…Chemical structures of the principal adducts formed from DNA upon reaction in vitro with the four optically active 3,4-diol 1,2-epoxides derived from the…”
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