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1

The story of rare earth elements (REEs): Occurrences, global distribution, genesis, geology, mineralogy and global production

Dushyantha, Nimila, Batapola, Nadeera, Ilankoon, I.M.S.K., Rohitha, Sudath, Premasiri, Ranjith, Abeysinghe, Bandara, Ratnayake, Nalin, Dissanayake, Kithsiri

Journal:

Ore Geology Reviews

Year:

2020

File:

PDF, 2.07 MB

2020

2

Antifungal activity, acid and sugar content in the wood apple (Limonia acidissima) and their relation to fungal development

N. K. B ADIKARAM, YAMUNA ABHAYAWARDHANE, A. A. LESLIE GUNATILAKA, B. M. RATNAYAKE BANDARA, E. M. KITHSIRI WIJERATNE

Journal:

Plant Pathology

Year:

1989

Language:

english

File:

PDF, 533 KB

english, 1989

3

The role of herbometallic preparations in traditional medicine – A review on mica drug processing and pharmaceutical applications

Wijenayake, Apsara, Pitawala, Amarasooriya, Bandara, Ratnayake, Abayasekara, Charmalie

Journal:

Journal of Ethnopharmacology

Year:

2014

Language:

english

File:

PDF, 762 KB

english, 2014

4

Genetic Variation of Flavonols Quercetin, Myricetin, and Kaempferol in the Sri Lankan Tea ( Camellia sinensis L.) and Their Health-Promoting Aspects

Jeganathan, Brasathe, Punyasiri, P. A. Nimal, Kottawa-Arachchi, J. Dananjaya, Ranatunga, Mahasen A. B., Abeysinghe, I. Sarath B., Gunasekare, M. T. Kumudini, Bandara, B. M. Ratnayake

Journal:

International Journal of Food Science

Year:

2016

Language:

english

File:

PDF, 1.54 MB

english, 2016

5

ChemInform Abstract: Antimicrobial Alkaloids from Zanthoxylum tetraspermum and caudatum.

Ajith P. K. Nissanka, Veranja Karunaratne, B. M. Ratnayake Bandara, Vijaya Kumar, Tsutomu Nakanishi, Masatoshi Nishi, Akira Inada, L. M. V. Tillekeratne, D. S. A. Wijesundara, A. A. Leslie Gunatilaka

Journal:

Year:

2001

File:

PDF, 26 KB

2001

6

The steric course of proton elimination in conversion of a tricarbonylcyclohexadieneiron carbinol into an endocyclic cation

B.M.Ratnayake Bandara, Arthur J. Birch

Journal:

Journal of Organometallic Chemistry

Year:

1984

Language:

english

File:

PDF, 211 KB

english, 1984

7

Ent-kauranes and oleananes from Croton lacciferus

B.M.Ratnayake Bandara, W.R. Wimalasiri, John K. Macleod

Journal:

Year:

1988

Language:

english

File:

PDF, 250 KB

english, 1988

8

Ecdysterone from stem of Diploclisia glaucescens

B.M.Ratnayake Bandara, Lalith Jayasinghe, Veranja Karunaratne, G.Percy Wannigama, Michael Bokel, Wolfgang Kraus, Subramaniam Sotheeswaran

Journal:

Year:

1989

Language:

english

File:

PDF, 271 KB

english, 1989

9

Acridone alkaloids and coumarins from Pleiospermium alatum

B.M.Ratnayake Bandara, A.A.Leslie Gunatilaka, E.M.Kithsiri Wijeratne, John K. MacLeod

Journal:

Year:

1990

Language:

english

File:

PDF, 479 KB

english, 1990

10

An antifungal chromene from Eupatorium riparium

B.M.Ratnayake Bandara, Chandralal M. Hewage, Veranja Karunaratne, G.Percy Wannigama, N.K.B. Adikaram

Journal:

Year:

1992

Language:

english

File:

PDF, 254 KB

english, 1992

11

Organometallic compounds in organic synthesis—XI: The strategy of lateral control of reactivity: Tricarbonylcyclohexadieneiron complexes and their organic synthetic equivalents

Arthur J. Birch, B.M. Ratnayake Bandara, Kevin Chamberlain, Brian Chauncy, Peter Dahler, Anthony I. Day, Ian D. Jenkins, Lawrence F. Kelly, Thong-Chak Khor, Guy Kretschmer, Andris J. Liepa, Acharan S.

Journal:

Year:

1981

Language:

english

File:

PDF, 1.37 MB

english, 1981

12

Tricarbonyliron complexes of some blocked cyclohexadienes

B.M.Ratnayake Bandara, Arthur J. Birch, Brian Chauncy, Lawrence F. Kelly

Journal:

Journal of Organometallic Chemistry

Year:

1981

Language:

english

File:

PDF, 310 KB

english, 1981

13

Antimicrobial alkaloids from Zanthoxylum tetraspermum and caudatum

Ajith P.K Nissanka, Veranja Karunaratne, B.M.Ratnayake Bandara, Vijaya Kumar, Tsutomu Nakanishi, Masatoshi Nishi, Akira Inada, L.M.V Tillekeratne, D.S.A Wijesundara, A.A.Leslie Gunatilaka

Journal:

Year:

2001

Language:

english

File:

PDF, 117 KB

english, 2001

14

Two chemically distinct groups of calophyllum species from Sri Lanka

B.M.Ratnayake Bandara, H. Ranjith, W. Dharmaratne, Subramaniam Sotheeswaran, Sinnathamby Balasubramaniam

Journal:

Year:

1986

Language:

english

File:

PDF, 320 KB

english, 1986

15

Diploclisin, a bidesmosidic triterpenoid saponin from Diploclisia glaucescens

B.M. Ratnayake Bandara, Lalith Jayasinghe, Veranja Karunaratne, G.Percy Wannigama, Wolfgang Kraus, Michael Bokel, Subramaniam Sotheeswaran

Journal:

Year:

1989

Language:

english

File:

PDF, 382 KB

english, 1989

16

Antifungal constituents of the stem bark of Bridelia retusa

Lalith Jayasinghe, B.M.Mallika Kumarihamy, K.H.R.Nishantha Jayarathna, N.W.M.Gayathri Udishani, B.M.Ratnayake Bandara, Noriyuki Hara, Yoshinori Fujimoto

Journal:

Year:

2003

Language:

english

File:

PDF, 142 KB

english, 2003

17

An alternative formation of tricarbonylcyclohexadienylium iron salts by acid-catalysed decarbonylation

Arthur J. Birch, B.M.Ratnayake Bandara

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 198 KB

english, 1980

18

The first full resolution of 2-methoxytricarbonylcyclohexadienyliron hexafluorophosphate, an example of a synthetic organic equivalent in the series of chiral cyclohex-2-enone-4-cations.

B.M.Ratnayake Bandara, Arthur J. Birch, Lawrence F. Kelly, T.Chak Khor

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 196 KB

english, 1983

19

Spin trapping endogenous radicals in MC-1010 cells: Evidence for hydroxyl radical and carbon-centered ascorbyl radical adducts

Carl Bernofsky, B. M. Ratnayake Bandara

Journal:

Molecular and Cellular Biochemistry

Year:

1995

Language:

english

File:

PDF, 772 KB

english, 1995

20

Stereoselectivity in the formation of tricarbonyliron complexes of some dihydrobiphenyls

B.M.Ratnayake Bandara, Arthur J. Birch, Brian Chauncy

Journal:

Journal of Organometallic Chemistry

Year:

1993

Language:

english

File:

PDF, 488 KB

english, 1993

21

Diterpene alcohols from Croton lacciferus

B.M.Ratnayake Bandara, W.R. Wimalasiri

Journal:

Year:

1988

Language:

english

File:

PDF, 186 KB

english, 1988

22

Alkylation of tricarbonylcyclohexadienyliron salts (1) with lithium alkyls

B.M.Ratnayake Bandara, Arthur J. Birch, Thong-Chak Khor

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 141 KB

english, 1980

23

Optical resolution of tricarbonyl(1-carboxycyclohexa-1,3-diene) iron and the absolute configuration of the products

Arthur J. Birch, B.M.Ratnayake Bandara

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 133 KB

english, 1980

24

Role of Antifungal Gallotannins, Resorcinols and Chitinases in the Constitutive Defence of Immature Mango (Mangifera indica L.) against Colletotrichum gloeosporioides

L. Chathurika Karunanayake, Nimal Adikaram, B. M. Mallika Kumarihamy, B. M. Ratnayake Bandara, Charmalie Abayasekara

Journal:

Journal of Phytopathology

Year:

2011

Language:

english

File:

PDF, 295 KB

english, 2011

25

Biological Activity of Some Coumarins from Sri Lankan Rutaceae

Gunatilaka, A. A. Leslie, Kingston, David G. I., Wijeratne, E. M. Kithsiri, Bandara, B. M. Ratnayake, Hofmann, Glenn A., Johnson, Randall K.

Journal:

Journal of Natural Products

Year:

1994

Language:

english

File:

PDF, 178 KB

english, 1994

26

Electron spin resonance studies of the reaction of hypochlorite with 5,5-dimethyl-1-pyrroline-N-oxide

Carl Bernofsky, B.M.Ratnayake Bandara, Oscar Hinojosa

Journal:

Free Radical Biology and Medicine

Year:

1990

Language:

english

File:

PDF, 728 KB

english, 1990

27

Hortonones A to C, Hydroazulenones from the Genus Hortonia

Carr, Gavin, Williams, David E., Ratnayake, Rukmal, Bandara, Ratnayake, Wijesundara, Siril, Tarling, Tamsin, Balgi, Aruna D., Roberge, Michel, Andersen, Raymond J., Karunaratne, Veranja

Journal:

Journal of Natural Products

Year:

2012

Language:

english

File:

PDF, 486 KB

english, 2012

28

An antifungal constituent from the stem bark of Butea monosperma

Bandara, B.M.Ratnayake, Kumar, N.Savitri, Samaranayake, K.M.Swarna

Journal:

Journal of Ethnopharmacology

Year:

1989

Language:

english

File:

PDF, 247 KB

english, 1989

29

Mechanistic Studies by Electron Paramagnetic resonance Spectroscopy on the Formation of 2-(N-Chloroimino)-5,5-dimethylpyrrolidine-1-oxyl Radical from 5,5-Dimethyl-1-pyrroline 1-Oxide and Hypochlorite-Treated Ammonia

Bandara, B. M. Ratnayake, Hinojosa, Oscar, Bernofsky, Carl

Journal:

Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 1.54 MB

english, 1994

30

Chemical Constituents of Three Rutaceae Species from Sri Lanka

Wijeratne, E. M. Kithsiri, Bandara, B. M. Ratnayake, Gunatilaka, A. A. Leslie, Tezuka, Yasuhiro, Kikuchi, Tohru

Journal:

Journal of Natural Products

Year:

1992

Language:

english

File:

PDF, 577 KB

english, 1992

31

Reaction of 5,5-dimethyl-1-pyrroline 1-oxide with hypochlorite-treated ammonia: the structure of a novel N-chloroimine nitroxyl radical

Bandara, B. M. Ratnayake, Hinojosa, Oscar, Bernofsky, Carl

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 745 KB

english, 1992

32

Two New Lactones with Mosquito Larvicidal Activity from Three Hortonia Species

Ratnayake, Rukmal, Karunaratne, Veranja, Ratnayake Bandara, B. M., Kumar, Vijaya, MacLeod, John K., Simmonds, Peta

Journal:

Journal of Natural Products

Year:

2001

Language:

english

File:

PDF, 33 KB

english, 2001

33

Acidissimin, a New Limonoid from Limonia acidissima

MacLeod, John K., Moeller, Peter D. R., Bandara, B. M. Ratnayake, Leslie Gunatilaka, A. A., Wijeratne, E. M. Kithsiri

Journal:

Journal of Natural Products

Year:

1989

Language:

english

File:

PDF, 278 KB

english, 1989

34

Superimposed lateral control of structure and reactivity exemplified by enantiospecific synthesis of (+)- and (-)-gabaculine

Bandara, B. M. Ratnayake, Birch, Arthur J., Kelly, Lawrence F.

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 453 KB

english, 1984

35

Organometallic compounds in organic synthesis. Part 13. Stereoselectivity of complexation of cyclohexadiene esters

Bandara, B. M. Ratnayake, Birch, Arthur J., Raverty, Warwick D.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 1.10 MB

english, 1982

36

Bioactivity and chemistry of the genus Hortonia

Ratnayake, Rukmal, Ratnayake Bandara, B.M., Wijesundara, Siril, Macleod, John K., Simmonds, Peta, Karunaratne, Veranja

Journal:

Natural Product Research

Year:

2008

Language:

english

File:

PDF, 157 KB

english, 2008

37

Hypochlorite-Modified Adenine Nucleotides: Structure, Spin-Trapping, and Formation by Activated Guinea Pig Polymorphonuclear Leukocytes

Bernofsky, Carl, Ratnayake Bandara, B. M., Hinojosa, Oscar, Strauss, Seth L.

Journal:

Free Radical Research

Year:

1990

Language:

english

File:

PDF, 660 KB

english, 1990

38

Management and outcomes of acute ST-segment-elevation myocardial infarction at a tertiary-care hospital in Sri Lanka: an observational study

Bandara, Ruwanthi, Medagama, Arjuna, Munasinghe, Ruwan, Dinamithra, Nandana, Subasinghe, Amila, Herath, Jayantha, Ratnayake, Mahesh, Imbulpitiya, Buddhini, Sulaiman, Ameena

Journal:

BMC Cardiovascular Disorders

Year:

2015

Language:

english

File:

PDF, 265 KB

english, 2015

39

Isolation of a Tetrameric A-type Proanthocyanidin Containing Fraction from Fresh Tea ( Camellia Sinensis ) Leaves Using High-Speed Counter-Current Chromatography

Kumar, N. Savitri, Bandara, B. M. Ratnayake, Hettihewa, Sujeewa K.

Journal:

Journal of Liquid Chromatography & Related Technologies

Year:

2015

Language:

english

File:

PDF, 470 KB

english, 2015

40

Four new butanolide derivatives from Hortonia, a genus endemic to Sri Lanka

Ratnayake, Rukmal, Bandara, Ratnayake B.M., Wijesundara, Siril. A. D., Carr, Gavin, Andersen, Raymond J., Karunaratne, Veranja

Journal:

Journal of Chemical Research

Year:

2008

Language:

english

File:

PDF, 359 KB

english, 2008

41

Convenient Regioselective Formation of 2′-O-Tosyladenosine

Ratnayake Bandara, B. M., Bernofsky, Carl

Journal:

Nucleosides and Nucleotides

Year:

1990

Language:

english

File:

PDF, 424 KB

english, 1990

42

A novel radiation-induced grafting methodology to synthesize stable zerovalent iron nanoparticles at ambient atmospheric conditions

Ratnayake, Sanduni, Schild, Dieter, Maczka, Edward, Jartych, Elzbieta, Luetzenkirchen, Johannes, Kosmulski, Marek, Makehelwala, Madhubhashini, Weragoda, Sujithra K., Bandara, Atula, Wijayawardana, Ran

Journal:

Colloid & Polymer Science

Year:

2016

Language:

english

File:

PDF, 2.19 MB

english, 2016

43

Organometallic compounds in organic synthesis. Part 14. Tricarbonyliron as lateral control group in the selective alkaline hydrolysis of some cyclohexa-1,3-diene carboxylic esters

Bandara, B. M. Ratnayake, Birch, Arthur J., Raverty, Warwick D.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 981 KB

english, 1982

44

Genotypic variation in biochemical compounds of the Sri Lankan tea ( Camellia sinensis L.) accessions and their relationships to quality and biotic stresses

Punyasiri, P. A. Nimal, Jeganathan, Brasathe, Kottawa-Arachchi, J. Dananjaya, Ranatunga, Mahasen A.B., Abeysinghe, I. Sarath B., Gunasekare, M. T. Kumudini, Bandara, B. M. Ratnayake

Journal:

The Journal of Horticultural Science and Biotechnology

Year:

2017

Language:

english

File:

PDF, 1.72 MB

english, 2017

45

Organometallic compounds in organic synthesis. Part 12. Methods of determination of the stereochemistry of tricarbonylcyclohexa-1,3-dieneiron complexes

Bandara, B. M. Ratnayake, Birch, Arthur J., Raverty, Warwick D.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 945 KB

english, 1982

46

The anatomy and physiology of the terminal thoracic duct and ostial valve in health and disease: potential implications for intervention

Ratnayake, Chathura Bathiya Bandara, Escott, Alistair Brian James, Phillips, Anthony Ronald John, Windsor, John Albert

Journal:

Journal of Anatomy

Year:

2018

Language:

english

File:

PDF, 549 KB

english, 2018

47

Impact of chronic urticaria on the quality of life in Australian and Sri Lankan populations

Yun, James, Katelaris, Constance H., Weerasinghe, Anura, Adikari, Duminda Bandara, Ratnayake, Chanaka

Journal:

Asia Pacific Allergy

Year:

2011

Language:

english

File:

PDF, 221 KB

english, 2011

48

Terminalia bellirica fruit extracts: in-vitro antibacterial activity against selected multidrug-resistant bacteria, radical scavenging activity and cytotoxicity study on BHK-21 cells

Dharmaratne, M. Priyanga Jayamal, Manoraj, Amirthasingam, Thevanesam, Vasanthi, Ekanayake, Asela, Kumar, Nimal Savitri, Liyanapathirana, Veranja, Abeyratne, Eranga, Bandara, B. M. Ratnayake

Journal:

BMC Complementary and Alternative Medicine

Year:

2018

Language:

english

File:

PDF, 1.52 MB

english, 2018

49

Patient characteristics and clinical outcomes following initial surgical intervention for MEN1 associated pancreatic neuroendocrine tumours: A systematic review and exploratory meta-analysis of the literature

Ratnayake, Chathura Bathiya Bandara, Loveday, Benjamin PT., Windsor, John Albert, Lawrence, Benjamin, Pandanaboyana, Sanjay

Journal:

Year:

2019

File:

PDF, 1.09 MB

2019

50

Patient characteristics and clinical outcomes following initial surgical intervention for MEN1 associated pancreatic neuroendocrine tumours: A systematic review and exploratory meta-analysis of the literature

Ratnayake, Chathura Bathiya Bandara, Loveday, Benjamin PT., Windsor, John Albert, Lawrence, Benjamin, Pandanaboyana, Sanjay

Journal:

Year:

2019

Language:

english

File:

PDF, 1.09 MB

english, 2019