Nanayakkara, Dhammika N.P.: search on Z-Library

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1

Anti-inflammatory and antinociceptive effects of Baccharis dracunculifolia DC (Asteraceae) in different experimental models

Diogo A. dos Santos, Murilo de J. Fukui, N.P. Dhammika Nanayakkara, Shabana I. Khan, João Paulo B. Sousa, Jairo K. Bastos, Sérgio F. Andrade, Ademar A. da Silva Filho, Nara L.M. Quintão

Journal:

Journal of Ethnopharmacology

Year:

2010

Language:

english

File:

PDF, 411 KB

english, 2010

2

Flavonoids with Activity against Methicillin-Resistant Staphylococcus aureus from Dalea scandens var. paucifolia

Nanayakkara, N. P. Dhammika, Burandt Jr., Charles L., Jacob, Melissa R.

Journal:

Year:

2002

Language:

english

File:

PDF, 88 KB

english, 2002

3

A Survey of Synthetic and Natural Phytotoxic Compounds and Phytoalexins as Potential Antimalarial Compounds

Bajsa, Joanna, Singh, Kshipra, Nanayakkara, Dhammika, Duke, Stephen Oscar, Rimando, Agnes Mamaril, Evidente, Antonio, Tekwani, Babu Lal

Journal:

Biological & Pharmaceutical Bulletin

Year:

2007

Language:

english

File:

PDF, 88 KB

english, 2007

4

Potential sweetening agents of plant origin. Part 27. Stimulation of the gerbil's gustatory receptors by some potently sweet terpenoids

Vasquez, Enrique., Jakinovich, William., Nanayakkara, N. P. Dhammika., Hussain, Raouf A., Chung, Myung Sook., Kinghorn, A. Douglas.

Journal:

Journal of Agricultural and Food Chemistry

Year:

1993

Language:

english

File:

PDF, 791 KB

english, 1993

5

Analysis of primaquine and its metabolite carboxyprimaquine in biological samples: enantiomeric separation, method validation and quantification

Bharathi Avula, Shabana I. Khan, Babu L. Tekwani, N.P. Dhammika Nanayakkara, James D. McChesney, Larry A. Walker, Ikhlas A. Khan

Journal:

Biomedical Chromatography

Year:

2011

Language:

english

File:

PDF, 750 KB

english, 2011

6

A Utilization of the Selective Inept Experiment for the Structure Elucidation of Oxygenated Chromenes

Jayasuriya, Hiranthi, Dhammika Nanayakkara, N. P., Mcchesney, James D.

Journal:

Natural Product Letters

Year:

1994

Language:

english

File:

PDF, 349 KB

english, 1994

7

Antibacterial Activity of Synthetic Fire Ant Venom: The Solenopsins and Isosolenopsins

Sullivan, Donna C., Flowers, Heather, Rockhold, Robin, Herath, H.M.T. Bandara, Nanayakkara, N.P. Dhammika

Journal:

The American Journal of the Medical Sciences

Year:

2009

Language:

english

File:

PDF, 192 KB

english, 2009

8

Bioactive 1,4-Dihydroxy-5-phenyl-2-pyridinone Alkaloids from Septoria pistaciarum

Kumarihamy, Mallika, Fronczek, Frank R., Ferreira, Daneel, Jacob, Melissa, Khan, Shabana I., Nanayakkara, N. P. Dhammika

Journal:

Journal of Natural Products

Year:

2010

Language:

english

File:

PDF, 291 KB

english, 2010

9

Anxiolytic effects of kava extract and kavalactones in the chick social separation-stress paradigm

Kenyatta K. Smith, H. Ranjith W. Dharmaratne, Matt W. Feltenstein, Susan L. Broom, J. Todd Roach, N.P. Dhammika Nanayakkara, Ikhlas A. Khan, Kenneth J. Sufka

Journal:

Psychopharmacology

Year:

2001

Language:

english

File:

PDF, 96 KB

english, 2001

10

In plantaMechanism of Action of Leptospermone: Impact of Its Physico-Chemical Properties on Uptake, Translocation, and Metabolism

Daniel K. Owens, N. P. Dhammika Nanayakkara, Franck E. Dayan

Journal:

Journal of Chemical Ecology

Year:

2013

Language:

english

File:

PDF, 481 KB

english, 2013

11

Evaluation of antimicrobial and antimalarial activities of crude extract, fractions and 4-nerolidylcathecol from the aerial parts of Piper umbellata L. (Piperaceae)

Bagatela, Bianca Souza, Lopes, Andrey Pereira, Fonseca, Fernando Luiz Affonso, Andreo, Márcio Adriano, Nanayakkara, Dhammika N.P., Bastos, Jairo Kenupp, Perazzo, Fábio Ferreira

Journal:

Natural Product Research

Year:

2013

Language:

english

File:

PDF, 162 KB

english, 2013

12

Biologically Active Tetranorditerpenoids from the Fungus Sclerotinia homoeocarpa Causal Agent of Dollar Spot in Turfgrass

Herath, H. M. T. Bandara, Herath, Wimal H. M. W., Carvalho, Paulo, Khan, Shabana I., Tekwani, Babu L., Duke, Stephen O., Tomaso-Peterson, Maria, Nanayakkara, N. P. Dhammika

Journal:

Journal of Natural Products

Year:

2009

Language:

english

File:

PDF, 985 KB

english, 2009

13

Antiprotozoal and Antimicrobial Compounds from the Plant Pathogen Septoria pistaciarum

Kumarihamy, Mallika, Khan, Shabana I., Jacob, Melissa, Tekwani, Babu L., Duke, Stephen O., Ferreira, Daneel, Nanayakkara, N. P. Dhammika

Journal:

Journal of Natural Products

Year:

2012

Language:

english

File:

PDF, 488 KB

english, 2012

14

Assignment of the 13C nuclear magnetic resonance spectra of three 27-hydroxyfriedelanes

A. A. Leslie Gunatilaka, N. P. Dhammika Nanayakkara, M. Uvais S. Sultanbawa, Mohamed I. M. Wazeer

Journal:

Magnetic Resonance in Chemistry

Year:

1982

Language:

english

File:

PDF, 132 KB

english, 1982

15

Structures of kokzeylanol and kokzeylanonol two new natural tri- and tetra- oxygenated D:A-friedo-oleananes

A.A.Leslie Gunatilaka, N.P.Dhammika Nanayakkara, M. Uvais, S. Sultanbawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 200 KB

english, 1981

16

Profiling primaquine metabolites in primary human hepatocytes using UHPLC-QTOF-MS with 13 C stable isotope labeling

Avula, Bharathi, Tekwani, Babu L., Chaurasiya, Narayan D., Nanayakkara, NP Dhammika, Wang, Yan-Hong, Khan, Shabana I., Adelli, Vijender R., Sahu, Rajnish, Elsohly, Mahmoud A., McChesney, James D., Kha

Journal:

Biological Mass Spectrometry = Journal of Mass Spectrometry (Wiley)

Year:

2013

Language:

english

File:

PDF, 405 KB

english, 2013

17

Anti-inflammatory and analgesic properties of water–ethanolic extract from Pothomorphe umbellata (Piperaceae) aerial parts

Fabio F. Perazzo, Gustavo H.B. Souza, Walter Lopes, Luis G.V. Cardoso, Jose C.T. Carvalho, N.P. Dhammika Nanayakkara, Jairo K. Bastos

Journal:

Journal of Ethnopharmacology

Year:

2005

Language:

english

File:

PDF, 154 KB

english, 2005

18

Alkylresorcinol Synthases Expressed inSorghum bicolorRoot Hairs Play an Essential Role in the Biosynthesis of the Allelopathic Benzoquinone Sorgoleone

Daniel Cook, Agnes M. Rimando, Thomas E. Clemente, Joachim Schröder, Franck E. Dayan, N.P. Dhammika Nanayakkara, Zhiqiang Pan, Brice P. Noonan, Mark Fishbein, Ikuro Abe, Stephen O. Duke and Scott R. B

Journal:

Year:

2010

Language:

english

File:

PDF, 4.44 MB

english, 2010

19

Synthesis of enantiomerically pure fire ant venom alkaloids: Solenopsins and isosolenopsins A, B and C

H. M. T. Bandara Herath, N. P. Dhammika Nanayakkara

Journal:

Journal of Heterocyclic Chemistry

Year:

2008

Language:

english

File:

PDF, 506 KB

english, 2008

20

Kavalactones from Piper methysticum, and their 13C NMR spectroscopic analyses

H Ranjith W. Dharmaratne, N.P Dhammika Nanayakkara, Ikhlas A Khan

Journal:

Year:

2002

Language:

english

File:

PDF, 120 KB

english, 2002

21

Antioxidant and Cytotoxic Effects of Crude Extract, Fractions and 4-Nerolidylcathecol from Aerial Parts of Pothomorphe umbellata L. (Piperaceae)

Lopes, Andrey P., Bagatela, Bianca S., Rosa, Paulo C. P., Nanayakkara, Dhammika N. P., Carlos Tavares Carvalho, José, Maistro, Edson L., Bastos, Jairo K., Perazzo, Fábio F.

Journal:

BioMed Research International

Year:

2013

Language:

english

File:

PDF, 113 KB

english, 2013

22

Methemoglobinemia Hemotoxicity of Some Antimalarial 8-Aminoquinoline Analogues and Their Hydroxylated Derivatives: Density Functional Theory Computation of Ionization Potentials

Ding, Yuanqing, Liu, Haining, Tekwani, Babu L, Nanayakkara, N. P. Dhammika, Khan, Ikhlas A, Walker, Larry A., Doerksen, Robert John

Journal:

Chemical Research in Toxicology

Year:

2016

Language:

english

File:

PDF, 1.33 MB

english, 2016

23

Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica

A.A. Leslie Gunatilaka, N.P. Dhammika Nanayakkara, M. Uvais, S. Sultanbawa, Sinnathamby Balasubramaniam

Journal:

Year:

1982

Language:

english

File:

PDF, 291 KB

english, 1982

24

Evaluation of free radical-generating compounds for toxicity towards the cyanobacterium Planktothrix perornata, which causes musty off-flavour in pond-raised channel catfish (Ictalurus punctatus)

N P Dhammika Nanayakkara, Kevin K Schrader

Journal:

Aquaculture Research

Year:

2011

Language:

english

File:

PDF, 102 KB

english, 2011

25

Quantitation of Aryltetralin Lignans in Plant Parts and among Different Populations of Podophyllum peltatum by Reversed-Phase High-Performance Liquid Chromatography

Bastos, Jairo K., Burandt,, Charles L., Nanayakkara, N. P. Dhammika, Bryant, Laura, McChesney, James D.

Journal:

Journal of Natural Products

Year:

1996

Language:

english

File:

PDF, 134 KB

english, 1996

26

Methemoglobin Generation by 8-Aminoquinolines: Effect of Substitution at 5-Position of Primaquine

Liu, Haining, Tekwani, Babu L., Nanayakkara, N. P. Dhammika, Walker, Larry A., Doerksen, Robert J.

Journal:

Chemical Research in Toxicology

Year:

2013

Language:

english

File:

PDF, 1.69 MB

english, 2013

27

A Rapid Quantitative Method for the Analysis of Galanthamine and Other Amaryllidaceae Alkaloids by Capillary Column Gas Chromatography †

Bastos, Jairo K., Xu, Li, Dhammika Nanayakkara, N. P., Burandt,, Charles L., Moraes-Cerdeira, Rita M., McChesney, James D.

Journal:

Journal of Natural Products

Year:

1996

Language:

english

File:

PDF, 164 KB

english, 1996

28

Furofuran lignans display schistosomicidal and trypanocidal activities

e Silva, Márcio Luis Andrade, Esperandim, Viviane Rodrigues, Ferreira, Daniele da Silva, Magalhães, Lizandra Guidi, Lima, Thais Coelho, Cunha, Wilson Roberto, Nanayakkara, Dhammika N.P., Pereira, Ana

Journal:

Year:

2014

Language:

english

File:

PDF, 776 KB

english, 2014

29

Irradiation of friedelan-21-ones: structure determination of novel friedelane triterpenes from kokoona zeylanica

Gunatilaka, A. A. Leslie, Nanayakkara, N. P. Dhammika, Sultanbawa, M. Uvais S.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1979

Language:

english

File:

PDF, 226 KB

english, 1979

30

Toxicological Evaluation of Two Anthraquinone-Based Cyanobactericides to Channel Catfish

Schrader, Kevin, Foran, Christy, Holmes, Brad, Schlenk, Daniel, Nanayakkara, N. Dhammika, Schaneberg, Brian

Journal:

North American Journal of Aquaculture

Year:

2004

Language:

english

File:

PDF, 71 KB

english, 2004

31

Metabolism of primaquine in normal human volunteers: investigation of phase I and phase II metabolites from plasma and urine using ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry

Avula, Bharathi, Tekwani, Babu L., Chaurasiya, Narayan D., Fasinu, Pius, Dhammika Nanayakkara, N. P., Bhandara Herath, H. M. T., Wang, Yan-Hong, Bae, Ji-Yeong, Khan, Shabana I., Elsohly, Mahmoud A., M

Journal:

Malaria Journal

Year:

2018

Language:

english

File:

PDF, 1.79 MB

english, 2018

32

Differential kinetic profiles and metabolism of primaquine enantiomers by human hepatocytes

Fasinu, Pius S., Avula, Bharathi, Tekwani, Babu L., Nanayakkara, N. P. Dhammika, Wang, Yan-Hong, Bandara Herath, H. M. T., McChesney, James D., Reichard, Gregory A., Marcsisin, Sean R., Elsohly, Mahmo

Journal:

Malaria Journal

Year:

2016

Language:

english

File:

PDF, 1.27 MB

english, 2016

33

13C NMR Spectra of some D:A-friedo-oleananes

A.A. Leslie Gunatilaka, N. Dhammika Nanayakkara, Mohammed I.M. Wazeer

Journal:

Year:

1983

Language:

english

File:

PDF, 191 KB

english, 1983

34

Generation of reactive oxygen species by a novel anthraquinone derivative in the cyanobacterium Planktothrix perornata (Skuja)

Kevin K. Schrader, Franck E. Dayan, N.P. Dhammika Nanayakkara

Journal:

Pesticide Biochemistry and Physiology

Year:

2005

Language:

english

File:

PDF, 291 KB

english, 2005

35

Characterization of bacterial mutagenicity mediated by 13-hydroxy-ent-kaurenoic acid (steviol) and several structurally-related derivatives and evaluation of potential to induce glutathione S-transferase in mice

John M. Pezzuto, N.P. Dhammika Nanayakkara, Cesar M. Compadre, Steven M. Swanson, A.Douglas Kinghorn, Thomas M. Guenthner, Velta L. Sparnins, Luke K.T. Lam

Journal:

Mutation Research/Genetic Toxicology

Year:

1986

Language:

english

File:

PDF, 725 KB

english, 1986

36

Cassia Cinnamon as a Source of Coumarin in Cinnamon-Flavored Food and Food Supplements in the United States

Wang, Yan-Hong, Avula, Bharathi, Nanayakkara, N. P. Dhammika, Zhao, Jianping, Khan, Ikhlas A.

Journal:

Journal of Agricultural and Food Chemistry

Year:

2013

Language:

english

File:

PDF, 248 KB

english, 2013

37

N -Methyl-4-hydroxy-2-pyridinone Analogues from Fusarium oxysporum ⊥

Jayasinghe, Lalith, Abbas, Hamed K., Jacob, Melissa R., Herath, Wimal H. M. W., Nanayakkara, N. P. Dhammika

Journal:

Journal of Natural Products

Year:

2006

Language:

english

File:

PDF, 53 KB

english, 2006

38

Differential Cytochrome P450 2D Metabolism Alters Tafenoquine Pharmacokinetics

Vuong, Chau, Xie, Lisa H., Potter, Brittney M. J., Zhang, Jing, Zhang, Ping, Duan, Dehui, Nolan, Christina K., Sciotti, Richard J., Zottig, Victor E., Nanayakkara, N. P. Dhammika, Tekwani, Babu L., Wa

Journal:

Antimicrobial Agents and Chemotherapy

Year:

2015

Language:

english

File:

PDF, 1.80 MB

english, 2015

39

Investigation of the inhibitory effects from the Brazilian medicinal plant Pothomorphe umbellata L. (Piperaceae) on the molecular pathways of cyclooxygenase-2 and nuclear factor kappa B

Andrey, Pereira Lopes, Bianca, Souza Bagatela, Fernando, Luiz Affonso Fonseca, Edson, Luis Maistro, Jairo, Kenupp Bastos, Dhammika, Nanayakkara, F aacute bio, Ferreira Perazzo

Journal:

Journal of Medicinal Plants Research

Year:

2016

Language:

english

File:

PDF, 340 KB

english, 2016

40

13C nuclear magnetic resonance spectra of some naturally occurring friedelanones

A. A. Leslie Gunatilaka, N. P. Dhammika Nanayakkara, M. Uvais S. Sultanbawa, Mohammed I. M. Wazeer

Journal:

Magnetic Resonance in Chemistry

Year:

1980

Language:

english

File:

PDF, 288 KB

english, 1980

41

Studies on terpenoids and steroids—2 : Structures of two new tri- and tetra-oxygenated D:A-friedo-oleanan triterpenes from kokoona zeylanica

A.A. Leslie Gunatilaka, N.P. Dhammika Nanayakkara

Journal:

Year:

1984

Language:

english

File:

PDF, 646 KB

english, 1984

42

Copaifera langsdorffii: evaluation of potential gastroprotective of extract and isolated compounds obtained from leaves

Lemos, Marivane, Santin, José Roberto, Mizuno, Cassia Suemi, Boeing, Thaise, de Sousa, João Paulo Barreto, Nanayakkara, Dhammika, Bastos, Jairo Kenupp, de Andrade, Sérgio Faloni

Journal:

Revista Brasileira de Farmacognosia

Year:

2015

Language:

english

File:

PDF, 742 KB

english, 2015

43

Studies on terpenoids and steroids. Part 1. Structures of six novel 27-hydroxy and 6?-hydroxy di- and tri-oxygenated D : A-friedo-oleanane triterpenes from Kokoona zeylanica

Gunatilaka, A. A. Leslie, Nanayakkara, N. P. Dhammika, Sultanbawa, M. Uvais S.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1983

Language:

english

File:

PDF, 1.47 MB

english, 1983

44

The inhibitory activity of natural products on plant p-hydroxyphenylpyruvate dioxygenase

Giovanni Meazza, Brian E Scheffler, Mario R Tellez, Agnes M Rimando, Joanne G Romagni, Stephen O Duke, Dhammika Nanayakkara, Ikhlas A Khan, Ehab A Abourashed, Franck E Dayan

Journal:

Year:

2002

Language:

english

File:

PDF, 173 KB

english, 2002

45

Potential sweetening agents of plant origin. 13. An intensely sweet dihydroflavonol derivative based on a natural product lead compound

Nanayakkara, N. P. Dhammika, Hussain, Raouf A., Pezzuto, John M., Soejarto, D. Doel, Kinghorn, A. Douglas

Journal:

Journal of Medicinal Chemistry

Year:

1988

Language:

english

File:

PDF, 592 KB

english, 1988

46

Differential CYP 2D6 Metabolism Alters Primaquine Pharmacokinetics

Potter, Brittney M. J., Xie, Lisa H., Vuong, Chau, Zhang, Jing, Zhang, Ping, Duan, Dehui, Luong, Thu-Lan T., Bandara Herath, H. M. T., Dhammika Nanayakkara, N. P., Tekwani, Babu L., Walker, Larry A.,

Journal:

Antimicrobial Agents and Chemotherapy

Year:

2015

Language:

english

File:

PDF, 1.75 MB

english, 2015

47

In vitro antileishmanial and antimalarial activities of tetrahydrofuran lignans isolated from Nectandra megapotamica (Lauraceae)

Ademar A. da Silva Filho, Eveline S. Costa, Wilson R. Cunha, Márcio L. A. e Silva, N. P. Dhammika Nanayakkara, Jairo K. Bastos

Journal:

Phytotherapy Research

Year:

2008

Language:

english

File:

PDF, 125 KB

english, 2008

48

Modified 8-Aminoquinolines Cure Mouse Pneumocutis carinii Infection

MARGARET M. SHAW, JAMES D. McCHESNEY, DHAMMIKA NANAYAKKARA, LUIZA R. S. DIAS, CHAO-HUNG LEE, PAMELA J. DURANT, MARK D. BALL, JAMES W. SMITH, MARILYN S. BARTLETT

Journal:

Journal of Eukaryotic Microbiology

Year:

1997

Language:

english

File:

PDF, 141 KB

english, 1997

49

Methemoglobinemia Caused by 8-Aminoquinoline Drugs: DFT Calculations Suggest an Analogy to H 4 B’s Role in Nitric Oxide Synthase

Liu, Haining, Walker, Larry A., Nanayakkara, N. P. Dhammika, Doerksen, Robert J.

Journal:

Journal of the American Chemical Society

Year:

2011

Language:

english

File:

PDF, 1.16 MB

english, 2011

50

Antileishmanial, Antimalarial and Antimicrobial Activities of the Extract and Isolated Compounds from Austroplenckia populnea (Celastraceae)

Andrade, Sérgio F., Silva Filho, Ademar A. da, Cunha, Wilson R., Nanayakkara, N. P. Dhammika, Bastos, Jairo Kenupp

Journal:

Zeitschrift für Naturforschung C

Year:

2008

Language:

english

File:

PDF, 111 KB

english, 2008

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