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Solitary pigmented lesions in oral mucosa in latin american children: a case series
(Wiley, 2018-06)
BackgroundA variety of local and systemic processes caused exogenous and endogenous pigmentation of the oral mucosa. Solitary melanotic pigmentation is rare, hence the scarce number of studies in children and adolescents. ...
Reactive pigmentation of skin graft mimicking a lentigo maligna recurrence: a case report
(Mattioli Health, 2022)
Stability of Spray-Dried Encapsulated Carotenoid Pigments from Rosa Mosqueta (Rosa rubiginosa) Oleoresin
(American Oil Chemists' Society, 2003)
Oleoresin of rosa mosqueta (Rosa rubiginosa) was encapsulated with starch or gelatin by spray-drying. Stability of the powders was studied at 25, 40, and 55°C in the dark. Degradation of trans-rubixanthin, trans-lycopene, ...
Toxic Pigment in a Capacocha Burial: Instrumental Identification of Cinnabar in Inca Human Remains from Iquique, Chile
(Blackwell Publishing Ltd, 2018)
© 2018 University of Oxford We report on the analysis of a red pigment found in a lavish Inca burial from Cerro Esmeralda, Chile, associated with the human sacrifice of two young girls. The outcome shows that the red pigment ...
Evaluation of white cement coloured with ultramarine blue pigment
(Universidad Nacional de Colombia Sede Medellín, 2009)
In this study the performance of white cement coloured with ultramarine blue pigment wasevaluated. The performance is explained through of the mineralogical changes occurring in the replacement of cement by pigment in ...
Raman spectroscopy in the diagnosis of the wall painting History of Concepción, Chile
(2011)
Pigments and fresco-related materials from the wall painting Historia de Concepción by Gregorio De La Fuente in Concepción, Chile were identified by Raman microscopy. The pigments were compared with those obtained from the ...
Multi-instrumental characterization of two red pigments in funerary archaeological contexts from northern Chile
(Interciencia, 2015)
This paper reports on an unknown yellowish mineral compound found in an archaeological context from Chorrillos cemetery (Calama, Chile) dating to the Early Formative period (800 - 200 B.C.). We used optic microscopy, SEM, ...
Effect of rosa mosqueta (rosa rubiginosa) extract on the performance of Chilean hazelnut oil (gevuina avellana mol.) at high temperature
(2006)
The effect of the addition of rosa mosqueta husk extract (RME) on thermal oxidation of nontreated (HZO) and treated (THZO) Chilean hazelnut seed oil was evaluated at 180°C for 18 h. THZO to which was added 339 mg/kg of ...
Isolation and characterization of violacein from an Antarctic Iodobacter: a non‑pathogenic psychrotolerant microorganism
(Springer, 2020)
Violacein is an intensely purple pigment synthesized by various genera of bacteria that has been discovered to have a wide range of interesting biological activities which range from anticarcinogenic to antibacterial. One ...
Raman Identification of Pigments in the Work of the Chilean Contemporary Visual Artist Ignacio Gumucio
(Sociedad Chilena Química, 2016)
The main pigments in the painting by the Chilean artist Ignacio Gumucio were identified by using micro-Raman spectroscopy. Three works by the artist, two paintings with wooden stand and a wall painting were analyzed. ...