Kharazipour, Alireza

[["dc.bibliographiccitation.firstpage","699"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Wood Science and Technology"],["dc.bibliographiccitation.lastpage","708"],["dc.bibliographiccitation.volume","46"],["dc.contributor.author","Euring, Markus"],["dc.contributor.author","Trojanowski, Jerzy"],["dc.contributor.author","Horstmann, Marina"],["dc.contributor.author","Kharazipour, Alireza"],["dc.date.accessioned","2018-11-07T09:08:55Z"],["dc.date.available","2018-11-07T09:08:55Z"],["dc.date.issued","2012"],["dc.description.abstract","In this work, the results of the enzymatic oxidation of TMP-fibers (thermomechanical pulp) and a well-structured lignin model compound, the dehydropolymer (DHP), were investigated by different C-14 and C-13 methods, caused by a Laccase-Mediator-System (LMS). These methods are the nuclear magnetic resonance spectroscopy (C-13-NMR) with DHP (unmarked) and the determination of the (CO2)-C-14 release of C-14-marked DHP and TMP-fibers. The C-13-NMR measurements were chosen to analyze the structural changes of the LMS-treated DHP model compounds and TMP-fibers qualitatively and quantitatively. The data of (CO2)-C-14 release give an explanation of the demethylation of DHP and TMP-fibers. The effect of the LMS is shown by comparing the results in respect of DHP and TMP-fibers, which were only treated with laccase and of an inactivated LMS as the control. Comparing the results of the C-13-NMR method, in particular the use of the Mediator during the enzymatical treatment, showed significant changes in the structure of the DHP. Also, the TMP-fibers were materially influenced by the LMS. The analysis of the (CO2)-C-14 release data of the C-14-marked DHP and TMP-fibers revealed that the rate of (CO2)-C-14 increases in the C-14-2 atom as well as in the (OCH3)-C-14 group within the first hour of Laccase-Mediator incubation. Therefore, the (CO2)-C-14 release from the DHP was higher than from the TMP-fibers."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft (DFG) [EU 124/2-1]"],["dc.identifier.doi","10.1007/s00226-011-0439-6"],["dc.identifier.isi","000305135000009"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/8083"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/26143"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","0043-7719"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Studies of enzymatic oxidation of TMP-fibers and lignin model compounds by a Laccase-Mediator-System using different C-14 and C-13 techniques"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Journal of Materials Science Research"],["dc.bibliographiccitation.volume","2"],["dc.contributor.author","Nikvash, Neda"],["dc.contributor.author","Euring, Markus"],["dc.contributor.author","Kharazipour, Alireza"],["dc.date.accessioned","2019-07-09T11:40:22Z"],["dc.date.available","2019-07-09T11:40:22Z"],["dc.date.issued","2013"],["dc.description.abstract","This work was focused on the production and characterization of lightweight and water resistance particle boards with various lignocellulosic materials of the annual plants hemp (Cannabis sativa L.), canola (Brassica napus L.) and bagasse (Saccharum officinarum L.) in admixtures with industrial wood. Some chemical properties of these annual plants were investigated to find out their chemical characteristics in wood composites production. In all board variants 100% of the middle layers consisted of chips from one of the above annual plants. Reference boards were 100% beech wood. Laboratory manufacturing treatments included two panel density levels (500 and 600 kg/m3) and three resin types (urea-formaldehyde, melamine-urea-formaldehyde and wheat protein). Water absorption and thickness swelling of the laboratory manufactured boards were improved by adding melamine to urea-formaldehyde resin and by adding water repellent chemicals. The mechanical properties of the boards produced met the requirement for the general purpose product standards (EN 312-2) at both 500- and 600- kg/m3 densities. Decreasing the density, negatively affected the bending (modulus of rupture) and internal bond properties of canola boards. This decreasing trend was also observed for modulus of rupture values in bagasse boards of 500 kg/m3 density. Based on the results of the chemical analysis, it might be concluded that high values of ash content and lower values of hemicellulose and lignin content caused low physical properties and/or high water absorption of canola boards. The findings indicated that hemp and bagasse are valuable renewable natural resources for particleboard production and could be utilized as a substitute for wood in board production. In comparison with the reference boards, mixed variants boards showed surprisingly good results and generally conformed to European standards (EN 312-2) values."],["dc.identifier.doi","10.5539/jmsr.v2n2p126"],["dc.identifier.fs","592005"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10999"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/58159"],["dc.language.iso","en"],["dc.relation.issn","1927-0593"],["dc.rights.access","openAccess"],["dc.title","Use of MUF Resin for Improving the Wheat Protein Binder in Particle Boards Made from Agricultural Residues"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","323"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","European Journal of Wood and Wood Products"],["dc.bibliographiccitation.lastpage","327"],["dc.bibliographiccitation.volume","68"],["dc.contributor.author","Nikvash, Neda"],["dc.contributor.author","Kraft, Redelf"],["dc.contributor.author","Kharazipour, Alireza"],["dc.contributor.author","Euring, Markus"],["dc.date.accessioned","2018-11-07T08:40:46Z"],["dc.date.available","2018-11-07T08:40:46Z"],["dc.date.issued","2010"],["dc.description.abstract","Residues of Bagasse (Saccharum officinarum L.), canola (Brassica napus L.) and hemp (Cannabis sativa L.) as well as industrial wood chips in various proportions from 0-100% were used as raw materials for the main component of the middle layer in urea formaldehyde bonded particle boards. The results reveal that most of the investigated mechanical-technological properties of the boards achieved the requirements of EN 312-2 (2003). Only increasing the percentage of canola chips usage in the middle layer to more than 30% negatively affect the internal bond (IB) properties. Comparing the water absorption (WA) and thickness swelling (TS) values, the boards containing up to 50% bagasse and hemp reach similar values to the ones of the reference boards, while increasing the amount of canola leads to more and more disadvantageous WA and TS. In summary, the results reveal that agri-fibers can be used for making composite panels conforming to the standards (EN 312-2 2003). One possible application for these panels could be the production of furniture."],["dc.identifier.doi","10.1007/s00107-010-0465-3"],["dc.identifier.isi","000281072200009"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/4967"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/19308"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","0018-3768"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Comparative properties of bagasse, canola and hemp particle boards"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","49"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","BioResources"],["dc.bibliographiccitation.lastpage","71"],["dc.bibliographiccitation.volume","4"],["dc.contributor.author","Müller, Günter"],["dc.contributor.author","Schöpper, Christian"],["dc.contributor.author","Vos, Hubert"],["dc.contributor.author","Kharazipour, Alireza"],["dc.contributor.author","Polle, Andrea"],["dc.date.accessioned","2019-07-10T08:13:19Z"],["dc.date.available","2019-07-10T08:13:19Z"],["dc.date.issued","2009"],["dc.identifier.fs","459551"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/5857"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/61204"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation.orgunit","Fakultät für Forstwissenschaften und Waldökologie"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject.ddc","570"],["dc.title","FTIR-ATR spectroscopic analyses of changes in wood properties during particle- and fibreboard production of hard- and softwood trees"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","3541"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","BioResources"],["dc.bibliographiccitation.lastpage","3552"],["dc.bibliographiccitation.volume","10"],["dc.contributor.author","Euring, Markus"],["dc.contributor.author","Kirsch, Alexander"],["dc.contributor.author","Kharazipour, Alireza"],["dc.date.accessioned","2017-09-07T11:49:19Z"],["dc.date.available","2017-09-07T11:49:19Z"],["dc.date.issued","2015"],["dc.identifier.doi","10.15376/biores.10.2.3541-3552"],["dc.identifier.gro","3147283"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/11978"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/4897"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.publisher","BioResources"],["dc.relation.issn","1930-2126"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Hot-Air/Hot-Steam Process for the Production of Laccase-Mediator-System Bound Wood Fiber Insulation Boards"],["dc.type","review"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","no"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","907"],["dc.bibliographiccitation.issue","8"],["dc.bibliographiccitation.journal","Holzforschung"],["dc.bibliographiccitation.lastpage","912"],["dc.bibliographiccitation.volume","67"],["dc.contributor.author","Paczkowski, Sebastian"],["dc.contributor.author","Kraft, Redelf"],["dc.contributor.author","Kharazipour, Alireza"],["dc.date.accessioned","2018-11-07T09:16:46Z"],["dc.date.available","2018-11-07T09:16:46Z"],["dc.date.issued","2013"],["dc.description.abstract","In this study, the extractive contents and the storage-induced emissions from chips of Salix alba, Betula pendula, Populus tremula, and Alnus glutinosa are compared with emissions from Pinus sylvestris chips. Soxhlet extraction was performed, and carbon monoxide (CO) and O-2 concentration in the gas phase as well as gas chromatography-mass spectrometry analysis of volatile organic compounds were analyzed. Pinus sylvestris showed the highest extractive content in the petrol ether fraction and emitted CO in the highest concentration. Salix alba, B. pendula, P. tremula, and A. glutinosa have lower extractive contents in the petrol ether fraction and the CO concentrations decreased in the headspace accordingly. The emission of aldehydes was lower in the case of woods with lower petrol ether contents (P. sylvestris, S. alba, and B. pendula), but the situation was not as clear for P. tremula and A. glutinosa. The origin of CO and aldehyde emissions is discussed in view of the possible oxidative degradation processes of lipids and terpenes."],["dc.description.sponsorship","BMELV; FNR"],["dc.identifier.doi","10.1515/hf-2012-0199"],["dc.identifier.isi","000330224300010"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10795"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/28008"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Walter De Gruyter Gmbh"],["dc.relation.issn","1437-434X"],["dc.relation.issn","0018-3830"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Storage-induced emissions from different wood species"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Journal of Materials Science Research"],["dc.bibliographiccitation.volume","4"],["dc.contributor.author","Hosseinkhani, Hossein"],["dc.contributor.author","Euring, Markus"],["dc.contributor.author","Kharazipour, Alireza"],["dc.date.accessioned","2019-07-09T11:42:42Z"],["dc.date.available","2019-07-09T11:42:42Z"],["dc.date.issued","2014"],["dc.description.abstract","Fiber of Date Palm (Phoenix dactylifera L) pruning residues are a potential source for the production Medium Density Fiberboard (MDF). Dry process was employed to produce MDF in pilot plant scale using three categories of manufacturing parameters, i.e., two resin types, two resin content levels and three pressing times. Due to the availability of the materials in the pilot plant, Date palm and also soft wood fibers (Pinus silvestries L.) as reference were used for the MDF production under the same parameters. Three boards were manufactured with combination of variables, and samples of all boards were tested according to the methods of European (EU) standard. As main technological properties modulus of rupture (MOR), modulus of elasticity (MOE), internal bond strength (IB), and formaldehyde emission were determined. Also, samples of each board were tested for thickness swelling and water absorption after soaking in water for 2 h and 24 h respectively. In addition all the mechanical and physical properties of boards were derived from analysis procedures. The results of this study showed that boards made of Date Palm pruning residues fibers featured better properties than the MDF property requirements which was recommended by ASTM and EN standards particularly inspect of mechanical properties. In addition, the formaldehyde (HCHO) emission of the panels featured that almost all the boards met the minimum requirement according to EN 120 especially for the panel bonded with MUF resin. Therefore, Date palm could be proposed as an alternative material for the manufacture of MDF."],["dc.identifier.doi","10.5539/jmsr.v4n1p46"],["dc.identifier.fs","606630"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/13653"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/58729"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation.issn","1927-0593"],["dc.rights","CC BY 3.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/3.0/"],["dc.title","Utilization of Date palm (Phoenix dactylifera L.) Pruning Residues as Raw Material for MDF Manufacturing"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","357"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","European Journal of Wood and Wood Products"],["dc.bibliographiccitation.lastpage","360"],["dc.bibliographiccitation.volume","67"],["dc.contributor.author","Bartholme, Michael"],["dc.contributor.author","Avramidis, Georg"],["dc.contributor.author","Vioel, Wolfgang"],["dc.contributor.author","Kharazipour, Alireza"],["dc.date.accessioned","2018-11-07T08:27:10Z"],["dc.date.available","2018-11-07T08:27:10Z"],["dc.date.issued","2009"],["dc.description.abstract","A continuous microwave dryer was used for drying wet processed wood fibre based insulating boards. Drying characteristics and energy consumption were compared with convective drying methods. Microwave drying turned out to be faster and facilitates even economical drying of thick boards."],["dc.identifier.doi","10.1007/s00107-008-0306-9"],["dc.identifier.isi","000268310100015"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/6690"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/16160"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","0018-3768"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Microwave drying of wet processed wood fibre insulating boards"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]