Two new cytotoxic and virucidal trisulfated triterpene glycosides from the Antarctic sea cucumber Staurocucumis liouvillei.
- M. Maier, A. Roccatagliata, E. Damonte
- ChemistryJournal of Natural Products
- 22 May 2001
Two new trisulfated triterpene glycosides, liouvillosides A and B, have been isolated from the Antarctic sea cucumber Staurocucumis liouvillei and were found to be virucidal against herpes simplex virus type 1 at concentrations below 10 microg/mL.
Maize consumption in pre-Hispanic south-central Andes: chemical and microscopic evidence from organic residues in archaeological pottery from western Tinogasta (Catamarca, Argentina)
- Irene Johanna Lantos, J. Spangenberg, M. Giovannetti, Norma Ratto, M. Maier
- Geography
- 1 March 2015
Lichen Secondary Metabolites from the Cultured Lichen Mycobionts of Teloschistes chrysophthalmus and Ramalina celastri and their Antiviral Activities
- A. Fazio, M. Adler, M. D. Bertoni, C. Sepúlveda, E. Damonte, M. Maier
- ChemistryZeitschrift für Naturforschung C - A Journal of…
- 1 August 2007
Lichens and spore-derived cultured mycobionts of Teloschistes chrysophthalmus and Ramalina celastri were studied chemically, and results indicated that they produced, respectively, parietin and usnic…
Fatty acid composition of the edible sea cucumber Athyonidium chilensis
- V. Careaga, C. Muniain, M. Maier
- BiologyNatural Product Research
- 1 April 2013
Results demonstrate for the first time that A. chilensis is a valuable food for human consumption in terms of fatty acids.
Identification of sulfated steroidal glycosides from the starfish Heliaster helianthus by electrospray ionization mass spectrometry
- M. Maier, R. Centurión, C. Muniain, R. Haddad, M. Eberlin
- Biology
- 17 December 2006
ESI-MS and ESI-MS/MS were successfully applied to the rapid screening of two cytotoxic fractions obtained by purification of the ethanolic extracts of arms and central disks dissected from H. helianthus.
Micro‐Raman spectroscopy of carbon‐based black pigments
- Eugenia P. Tomasini, E. B. Halac, M. Reinoso, E. J. D. Liscia, M. Maier
- Chemistry
- 1 November 2012
Carbon-based black pigments are a wide group of dark-colored materials, which are classified according to the starting material used and their method of manufacture. Raman spectroscopy is an ideal…
Synthesis and antiviral activity of sulfated and acetylated derivatives of 2β,3α-dihydroxy-5α-cholestane
- Gustavo A. Garrido Santos, A. Murray, C. Pujol, E. Damonte, M. Maier
- ChemistrySteroids
- 28 January 2003
Chemical analyses of the earliest pigment residues from the uttermost part of the planet (Beagle Channel region, Tierra del Fuego, Southern South America)
- D. Fiore, M. Maier, S. D. Parera, Luis Abel Orquera, E. Piana
- Environmental Science
- 1 December 2008
A definitive analytical spectroscopic study of Indian yellow, an ancient pigment used for dating purposes.
- D. L. de Faria, H. Edwards, V. Careaga, Nicholas Walt, M. Maier
- ChemistryForensic Science International
- 1 February 2017
Antiproliferative, Cytotoxic and Hemolytic Activities of a Triterpene Glycoside from Psolus patagonicus and Its Desulfated Analog
- V. Careaga, Carlos A Bueno, C. Muniain, L. Alché, M. Maier
- Chemistry, BiologyChemotherapy
- 1 December 2008
Although glycosides 1 and 2 exert an antiproliferative effect, their mechanisms of action do not involve inhibition of NF-κB and more extensive studies are needed to establish a mechanism of action and to deduce a clear structure-activity relationship of sea cucumber triterpene glycoside.
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