Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Alain Castellan"'
Publikováno v:
Polímeros, Vol 25, Iss 1, Pp 35-41 (2015)
Two types of crustacean commercial chitosans (CS1, CS2) were dissolved in lactic acid solutions, hydrolysed by lysozyme and finally fractioned by methanol solutions into two parts containing chito-oligomers (CS-O1, CS-O2). The antioxidant power and a
Externí odkaz:
https://doaj.org/article/aa7ce286034f422c91063dc106e25a01
Autor:
Elaine C. Ramires, Jackson D. Megiatto Jr., Christian Gardrat, Alain Castellan, Elisabete Frollini
Publikováno v:
Polímeros, Vol 20, Iss 2, Pp 126-133 (2010)
Glioxal pode ser obtido a partir de biomassa (como da oxidação de lipídeos) e não é tóxico ou volátil, tendo sido por isso utilizado no presente trabalho como substituto de formaldeído na preparação de resina fenólica do tipo novolaca, sen
Externí odkaz:
https://doaj.org/article/55f74b810c004b818e15aee85d11f43e
Autor:
Mayssa Al Kharboutly, Alain Castellan, Anna Zimoch-Korzycka, Véronique Coma, Andrzej Jarmoluk, Isabelle Pianet, Christian Gardrat
Publikováno v:
Food Hydrocolloids
Food Hydrocolloids, Elsevier, 2016, 61, pp.338-343. ⟨10.1016/j.foodhyd.2016.05.019⟩
Food Hydrocolloids, Elsevier, 2016, 61, pp.338-343. ⟨10.1016/j.foodhyd.2016.05.019⟩
International audience; Three commercial fungal chitosan-glucan complexes with different low molecular weights (CS1, CS2, CS3) were studied for antioxidant power determined by the ferric ion reducing antioxidant power (FRAP) method and antimicrobial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fba51ed1026bd1138fb30e89367e0a2f
https://hal.archives-ouvertes.fr/hal-01411934
https://hal.archives-ouvertes.fr/hal-01411934
Autor:
Frédérique Pichavant, Jackson D. Megiatto, Alain Castellan, Christian Gardrat, Emmanuel Cazeils, Stéphane Grelier
Publikováno v:
hfsg. 66:699-704
The delignification action of four new anthraquinone (AQ) polystyrene catalysts – three of them linear (CP-A, CP-B, CP-C) and one cross-linked (CP-3D) – were investigated on softwood (Pinus pinaster) chips under kraft pulping conditions, and thei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50dc6d896632f1d029204e7ba23125d3
https://doi.org/10.1515/hf-2011-0255
https://doi.org/10.1515/hf-2011-0255
Unexpected matrix interactions in liquid secondary ion mass spectrometry of two pyranosyl mercaptans
Publikováno v:
Rapid Communications in Mass Spectrometry. 25:1399-1406
An unexpected interaction with a thioglycerol matrix appeared in the liquid secondary ion mass spectrometry (LSIMS) spectra of two pyranosyl mercaptans [2,3,4,6-tetra-O-acetyl-1-thio-β-D-glucopyranose (1a) and 2,3,4,6-tetra-O-acetyl-1,5-dithio-β-D-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23584e38415c386b4c482e9745a67025
https://doi.org/10.1002/rcm.4998
https://doi.org/10.1002/rcm.4998
Autor:
Frédérique Ham-Pichavant, Jackson D. Megiatto, Christian Gardrat, Alain Castellan, Stéphane Grelier, Emmanuel Cazeils
Publikováno v:
hfsg. 63:681-689
A trimeric β-O-4 lignin model bearing a styrene unit was polymerized in the presence of azobisisobutyronitrile as an initiator of free radical polymerization. The polymer analysis achieved by size exclusion chromatography (SEC), 1H, 13C, 31P NMR, ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a42a902139149cc9fb4169138cae18cd
https://doi.org/10.1515/hf.2009.056
https://doi.org/10.1515/hf.2009.056
Autor:
Elisabete Frollini, Franciéli B. Oliveira, Alain Castellan, Christian Gardrat, Christine Enjalbal
Publikováno v:
Journal of Applied Polymer Science
Journal of Applied Polymer Science, Wiley, 2008, 109 (4), pp.2291-2303. ⟨10.1002/app.28312⟩
Journal of Applied Polymer Science, Wiley, 2008, 109 (4), pp.2291-2303. ⟨10.1002/app.28312⟩
Resol type resins were prepared in alkaline conditions (potassium hydroxide or potassium carbonate) using furfural obtained by acid hydrolysis of abundant renewable resources from agricultural and forestry waste residues. The structures of the resins
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18206ebfbdbc312d1141230359015c90
https://doi.org/10.1002/app.28312
https://doi.org/10.1002/app.28312
Publikováno v:
Holzforschung
Holzforschung, De Gruyter, 2007, 61, pp.504-508
Holzforschung, De Gruyter, 2007, 61 (5), pp.504-508. ⟨10.1515/HF.2007.090⟩
Holzforschung, De Gruyter, 2007, 61, pp.504-508
Holzforschung, De Gruyter, 2007, 61 (5), pp.504-508. ⟨10.1515/HF.2007.090⟩
Steady-state fluorescence emission spectra of various celluloses were measured at an excitation wavelength of 320 nm. Various spectra recorded in the solid state were compared: (1) ECF bleached papers made of hardwood, the anhydroglucose units of whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d07e02c363e2b747a104f70f26d46fc
https://doi.org/10.1515/hf.2007.090
https://doi.org/10.1515/hf.2007.090
Publikováno v:
Photochemistry and Photobiology. 74:542-548
The photoreactivity of methoxy-p-benzoquinone (MQ) and methoxyhydroquinone (MHQ) in dilute solution (10(-4)-10(-3) M) was studied using continuous irradiation and laser flash photolysis (LFP). The quinone irradiated in degassed tetrahydrofuran (THF)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6fd1da437403b24072961011b8c4cb7
https://doi.org/10.1562/0031-8655(2001)0740542pomamp2.0.co2
https://doi.org/10.1562/0031-8655(2001)0740542pomamp2.0.co2
Autor:
Rafael M. Dornellas, Dalyelli S. Serqueira, Patricia Gontijo de Melo, Alain Castellan, Rodrigo A.A. Munoz, Leandro Gustavo da Silva, Reinaldo Ruggiero, Eduardo M. Richter
Publikováno v:
Fuel
Fuel, Elsevier, 2015, 160, pp.490-494. ⟨10.1016/j.fuel.2015.07.104⟩
Fuel, Elsevier, 2015, 160, pp.490-494. ⟨10.1016/j.fuel.2015.07.104⟩
International audience; This work demonstrates the potential use of tetrahydrocurcuminoids (THCs) as natural antioxidants to enhance the oxidation stability of biodiesels. Fatty acid methyl esters produced from cottonseed and residual cooking oils we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3d1f73e30f8703dfff316b00dc2ad85
http://hdl.handle.net/20.500.12278/76183
http://hdl.handle.net/20.500.12278/76183