María Jesús Cruz, Ferrán Morell, Àlex Roger, Xavier Muñoz, María José Rodrigo,
... trabajadores de la construcción que manejan fibras de esparto como material de soporte de las placas de ... de los hongos que colonizan las fibras de esparto y el del propio esparto en la etiología de esta enfermedad, y b) ... neumonitis por hipersensibilidad causada por la exposición a esparto. Se realizaron cultivos micológicos de las muestras de esparto proporcionadas por cada paciente. Para determinar los anticuerpos ... obtenidos en el cultivo y/o el propio esparto no contaminado. Los hongos aislados con mayor frecuencia ...
Tópico(s): Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
2003 - Elsevier BV | Medicina Clínica
Miguel Hinojosa, J. Fraj, B. de la Hoz, R. ALCAZAR, Antonio Sueiro,
Esparto grass (Stipa tenacissima), which is commonly found in the Mediterranean countries, has a wide variety of ... cough, dyspnea, malaise, and fever after exposure to esparto fiber used in their jobs showed a significant ... were away from work. Precipitating antibodies against an esparto extract were found in the sera of all patients. Specific IgG antibodies against the esparto extract were also demonstrated in all patient sera, ... Thermoactinomyces vulgaris) by means of an ELISA method. Esparto activity was inhibited in different ranges by the ...
Tópico(s): Inhalation and Respiratory Drug Delivery
1996 - Elsevier BV | Journal of Allergy and Clinical Immunology
Marcelo Antunes, Álvaro Cano, Laia Haurie, José Ignácio Velasco,
... containing variable concentrations of nano-sized clay and esparto wool were prepared and studied, with the objective ... trend for the two materials. The combination of esparto and montmorillonite further reduced the cell size of ... with reducing the relative density, the incorporation of esparto led to higher thermal conductivities, independently of the relative density. The combination of esparto and montmorillonite resulted in foams with thermal conductivities halfway between the esparto-reinforced and the montmorillonite-reinforced foams, related to ...
Tópico(s): Flame retardant materials and properties
2011 - Elsevier BV | Industrial Crops and Products
Samia Belkhir, Ahmed Koubaa, Ayda Khadhri, Mustapha Ksontini, Hamid Nadji, Samira Smiti, Tatjana Stevanović,
Esparto (Stipa tenacissima) is a highly fibrous herbaceous plant. In addition, the fiber properties (suppleness, thinness, and ... terms of both quality and quantity. In Tunisia, esparto is the only source of raw material for ... characteristics (cellulose, hemicelluloses, lignin, extractives, and ashes) of esparto leaves are analyzed in relation to growing conditions ... central Tunisia) are examined. The chemical properties of esparto fibers vary significantly with site and season. In fall, esparto leaves contain more cellulose (46.4%) than in ...
Tópico(s): Plant Pathogens and Fungal Diseases
2012 - Elsevier BV | Industrial Crops and Products
Samia Belkhir, Ahmed Koubaa, Ayda Khadhri, Mustapha Ksontini, Samira Smiti,
Esparto fibers are cellulose-based fibers extracted from esparto (Stipa tenacissima) leaves. Morphological characteristics (length, width, and coarseness) of esparto fibers are analyzed in relation to growing conditions ... above the leaf. Results on the raw material (esparto leaves) were confirmed by results on esparto pulp.
Tópico(s): Tree Root and Stability Studies
2012 - Elsevier BV | Industrial Crops and Products
Abderrahmane Debdoubi, Ahmed El Amarti, Enrique Colacio,
... and its exploitation is negative for the environment. Esparto is the most available biomass, with a production ... annually of dry matter approximately. However, briquettes of esparto have low calorific power and their mechanical properties ... economically competitive product at the same time, the esparto was partially pyrolyzed at temperatures between 160 °C ... obtained with a higher calorific value when the esparto is partially pyrolyzed, and a relatively elevated densification ...
Tópico(s): Biodiesel Production and Applications
2004 - Elsevier BV | Energy Conversion and Management
Ahmed Fouzi Tarchoun, Djalal Trache, Thomas M. Klapötke, Kheireddine Slimani, Baha‐eddine Belouettar, Amir Abdelaziz, Slimane Bekhouche, Wissam Bessa,
... azides were successfully synthesized from a prominent alternative esparto grass fibres. The designed insensitive nitrogen‐rich cellulosic biopolymers, namely, azidodeoxy esparto grass cellulose (AEGC) and azidodeoxy esparto grass microcrystalline cellulose (AEGMCC), displayed outstanding features, such ... Avrami‐Erofeev decomposition process. These results established that esparto grass fibres could be considered as a valuable ...
Tópico(s): Polymer crystallization and properties
2022 - Wiley | Propellants Explosives Pyrotechnics
Francisco Javier Ruiz-Hornillos, Manuel De Barrio Fernández, Pilar Tornero Molina, Itziar Sánchez Marcén, Galicia Davila Fernandez, María Rubio Sotés, María Luisa Baeza Ochoa de Ocáriz,
Esparto is a gramineous plant that has multiple applications in today's industry. Several cases of hypersensitivity pneumonitis (HP) caused by esparto inhalation have been reported, but only one case of asthma caused by Aspergillus fumigatus contaminating esparto has been communicated. We report a case of asthma induced by esparto inhalation in a 58-year-old man, who ... values decreased by 20% the days he handled esparto. Prick test with esparto was positive. Immunoblot analysis revealed several allergens in ...
Tópico(s): Indoor Air Quality and Microbial Exposure
2007 - OceanSide Publications, Inc | Allergy and Asthma Proceedings
Abderrahmane Debdoubi, Ahmed El Amarti, Enrique Colacio, María‐Jesús Blesa, L. H. Hajjaj,
... of the oil product obtained from pyrolysis of esparto which is the most important biomass in Morocco. The pyrolysis experiments of esparto was performed in a fixed bed reactor under ... 250°C min−1. The maximum conversion of esparto in oil of pyrolysis was obtained with fast ...
Tópico(s): Heat transfer and supercritical fluids
2006 - Wiley | International Journal of Energy Research
P M Gamboa, F Urbaneja, I. Olaizola, J A Boyra, Gualberto González‐Sapienza, I. Antépara, I. Urrutia, I Jáuregui, M. Luz Sanz,
Esparto is one the most frequent causes of hypersensitivity pneumonitis in Spain.Determination of risk factors in ... vulgaris in patients with hypersensitivity pneumonitis induced by esparto, exposed healthy plasterers and control population.Determination of ...
Tópico(s): Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
2005 - ESMON Publicidad | Journal of Investigational Allergology and Clinical Immunology
A Moreno‐Ancillo, M.A. Padial, M C López-Serrano, S Granado,
... and/or inorganic dust of various sources. The esparto (Stipa Tenacissima and Ligeum Spartum) is an herbaceous ... for the production of paper paste. Inhalation of esparto dust has been reported as cause of hypersensitivity pneumonitis. The existence of precipitating antibodies against esparto extract has been proved. During the esparto fiber manufacturing process, esparto grass can be contaminated by moulds and thermophilic ... the diagnosis. In our case, Aspergillus species contaminating esparto are probably the antigens that caused the disease.
Tópico(s): Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
1997 - OceanSide Publications, Inc | Allergy and Asthma Proceedings
Stanisław Seniczak, Sławomir Kaczmarek, Anna Seniczak,
... investigated in patches of steppe vegetation, dominated by esparto ( Stipa sp.), other grasses, Artemisia caucasica, Sedum sp., ... density in patches of steppe grasses other than esparto, but most species occurred in sedum patches. The ... especially in patches of steppe grasses other than esparto, and relatively abundant were Scutovertex sp. 1, Jacotella ...
Tópico(s): Collembola Taxonomy and Ecology Studies
2009 - De Gruyter Open | Biological Letters
Anil Shrestha, Bradley D. Hanson, Kurt J. Hembree,
... Central Valley. Hairy fleabane seeds were collected from Esparto, Fresno and Reedley, Calif., and greenhouse-grown seedlings ... compared with an untreated control. None of the Esparto or Fresno plants survived glyphosate rates greater than ... plant dry weights by 50% (GR50) of the Esparto plants ranged from 0.28 to 0.30 ...
Tópico(s): Plant Disease Management Techniques
2008 - University of California, Agriculture and Natural Resources | California Agriculture
Abderahmane El Idrissi, Soufian El Barkany, Hassan Amhamdi, Abdel‐Karim Maaroufi,
Abstract Esparto “Stipa tenacissima” cellulose esters derivatives: HECA‐COOC 4 H 8 COOC 2 H 5 , HECA‐COO ... the crystallinity degree decrease from 63.1% for Esparto “Stipa tenacissima” cellulose to 27.74% for HECA. ...
Tópico(s): Natural Fiber Reinforced Composites
2012 - Wiley | Journal of Applied Polymer Science
Abdelhak Maghchiche, Abdelkarim Haouam, Barbara Immirzi,
Alfa fibers are cellulose-based fibers extracted from esparto grass leaves using alkaline procedure to remove noncellulosic ... lignin, and hemicelluloses.Morphological characterizations (length, width) of esparto fibers are analyzed.The cellulose fiber extracted was ... In this study, we attempted to characterize the esparto fiber obtained from a chemical extraction using sodium ...
Tópico(s): Plant Surface Properties and Treatments
2013 - Lviv Polytechnic National University | Chemistry & Chemical Technology
Carlos de Castro, María Elena Gadea Montesinos, Andrés Pedreño, Antonio Ramírez,
... históricamente articulado a cadenas globales de productos primarios (esparto) y agroalimentarios (frutas). Estas articulaciones históricas han operado ... figuras productivas -el jornalero agrícola, el recolector de esparto, las mujeres de los almacenes de manipulado o ... las conserveras, el trabajador de las fábricas de esparto, etc.- y en las cuales las líneas de ...
Tópico(s): Historical and socio-economic studies of Spain and related regions
2017 - National University of La Plata | Mundo Agrario
Staci Willis, Massimo Capulli,
... of these timbers. The cordage was manufactured from esparto grass (Stipa tenaccissima), a material that grows in ... 2002: 375; Beltrame and Gaddi, 2013: 301). Furthermore, esparto grass (Stipa tenacissma) is, thus far, the only ... for hull planking and perhaps the use of esparto grass cordage, is consistent with materials usage within ...
Tópico(s): Archaeology and Historical Studies
2018 - Taylor & Francis | The International Journal of Nautical Archaeology
Jorge P. Arenas, Romina del Rey Tormos, Jesús Alba Fernández, Roberto Oltra,
... materials. In this communication, the use of raw esparto grass as an environmentally friendly sound-absorbing material ... and airflow resistivity of three different types of esparto from different countries are presented. In addition, the ...
Tópico(s): Natural Fiber Reinforced Composites
2020 - Multidisciplinary Digital Publishing Institute | Sustainability
Said Bousshine, Mohamed Ouakarrouch, Abdelmajid Bybi, Najma Laaroussi, Mohammed Garoum, Amine Tilioua,
... petiole, pinnate leaves, bunch, and fiber mesh), reed, esparto, olive tree, fig tree, wood sawdust, chicken feathers, ... 091 W/m.K. It is found that esparto, petiole, chicken feathers, and sheep wool meet the ... 0.95, 0.044 W/m.K); for esparto, petiole, chicken feathers, and sheep wool, respectively.
Tópico(s): Urban Heat Island Mitigation
2021 - Elsevier BV | Applied Acoustics
Imed Ben Marzoug, Faouzi Sakli, Sadok Roudesli,
Esparto grass fibres are used as cordage or paper pulp. Ultimate and technical fibres used in pulp ... other methods is also made. The structure of esparto grass technical fibres is discontinuous, where cellulosic fibres ... pectin, lignin and hemicelluloses. The ultimate fibres from esparto grass have a length between 0, 2 and ...
Tópico(s): Textile materials and evaluations
2010 - Taylor & Francis | Journal of the Textile Institute
Soumaya Sayeb, Imed Ben Marzoug, M. Ben Hassen, Faouzi Sakli, Sadok Rodesli,
... tried to use ligno-cellulosic fibres extracted from esparto (Stipa tenacissima L) as a support fiber in hygienic products. Due to their cellulosic nature, esparto fibres can provide a certain water sorption potential. ...
Tópico(s): biodegradable polymer synthesis and properties
2009 - Taylor & Francis | Journal of the Textile Institute
... Percival, E. G. V. (1953). The hemicellulose of esparto grass (Stipa tenacissima L.). The arabinose-rich fraction. ... G. V. (1950). The constitution of xylan from esparto grass (Stipa tenacissima L.). J. chem. Soc. p. ...
Tópico(s): Polysaccharides and Plant Cell Walls
1958 - Wiley | Biological reviews/Biological reviews of the Cambridge Philosophical Society
... an investigation of the preparation of a sulfonated esparto grass lignin (SEL) and its behavior as a ... lignin from the black liquor of a soda esparto grass pulping process and then sulfonating it with ...
Tópico(s): Enzyme-mediated dye degradation
1985 - Elsevier BV | Journal of Chromatography A
Carlos Zamarrón, F. del Campo del Campo, C. Paredes,
... a patient with a history of exposure to esparto grass for two and a half years, who ...
Tópico(s): Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
1992 - Wiley | Journal of Internal Medicine
Eusebio Cano Carmona, A Ramírez, Ana Cano-Ortíz,
Abstract This paper deals with the Leptochloopsis virgata esparto patches growing in the Dominican Republic. These communities ... lasts for over 7 months. The Leptochloopsis virgata esparto patches tend to be located in the Caribbean- ...
Tópico(s): Lepidoptera: Biology and Taxonomy
2010 - Taylor & Francis | Acta Botanica Gallica
... 718. 22–28 January, p. 41. Alfa, or esparto, grass, also known as 'halfah' (alpha/alfa) grass ... espadrilles, etc.). See: http://en.wikipedia.org/wiki/Esparto [Accessed 10 May 2011]. This chronology was reconstituted ...
Tópico(s): French Urban and Social Studies
2011 - Taylor & Francis | Review of African Political Economy
Abderahmane El Idrissi, Soufian El Barkany, Hassan Amhamdi, Abdel‐Karim Maaroufi,
... study, we examined the isolation of cellulose from Esparto “ Stipa tenacissima ” of Eastern Morocco by two different ...
Tópico(s): Polysaccharides and Plant Cell Walls
2012 - Wiley | Journal of Applied Polymer Science
J.M. Valente Nabais, C. Laginhas, M.M.L. Ribeiro Carrott, P.J.M. Carrott, José Enrique Crespo Amorós, A.V. Nadal Gisbert,
... production of activated carbons from a novel precursor, esparto grass, by activation with carbon dioxide is presented. ...
Tópico(s): Supercapacitor Materials and Fabrication
2012 - Elsevier BV | Applied Surface Science
Ridha Lafi, Noureddine Hamdi, Amor Hafiane,
... dyes, Toluidine blue and Crystal violet (CV), on Esparto grass fibers Stipa tenacissima L., an abundant semi- ...
Tópico(s): Electrostatics and Colloid Interactions
2014 - Taylor & Francis | Desalination and Water Treatment
Joaquín Ortego, María Pilar Aguirre, Víctor Noguerales, Pedro J. Cordero,
... genetic diversity and structure in the habitat‐specialist esparto grasshopper ( R amburiella hispanica ). In particular, we predict ...
Tópico(s): Plant and animal studies
2015 - Wiley | Evolutionary Applications