lignin/atrophy

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[The quantitative demonstration of the degeneration of cellulose and lignin in leafroll-diseased grapevines].

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The pattern of cell wall deterioration in lignocellulose fibers throughout enzymatic cellulose hydrolysis.

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Cell wall deterioration throughout enzymatic hydrolysis of cellulosic biomass is greatly affected by the chemical composition and the ultrastructure of the fiber cell wall. The resulting pattern of cell wall deterioration will reveal information on cellulose activity throughout enzymatic hydrolysis.

Deterioration of the Hanson Logboat: chemical and imaging assessment with removal of polyethylene glycol conserving agent.

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The state of preservation of wood in two samples from the Hanson Logboat, currently on display in Derby Museum and Art Gallery, was analysed using elemental analysis (EA), pyrolysis-gas chromatography/flame ionisation detection (Py-GC/FID), pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS)

SEM-FTIR spectroscopic evaluation of deterioration in an historic coffered ceiling.

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Microorganisms generally degrade wood when moisture, oxygen and other environmental factors provide favorable growing conditions. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) were used to study the development and transformation of the products formed during

Methods to investigate the expression of lignin peroxidase genes by the white rot fungus Phanerochaete chrysosporium.

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Two methods allowing the analysis of expression of specific lignin peroxidase (LPO) genes from white rot fungi are presented. In the first method, degenerate oligonucleotide primers derived from amino acid sequence motifs held in common among all members of the LPO gene family are used to prime the

Application of biomass by-product lignin stabilized soils as sustainable Geomaterials: A review.

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Due to the increasing concerns on environmental pollution, fossil energy shortage, and sustainable development, the recycling of industrial by-products had become a popular practice worldwide. Chemical stabilization of problematic soils with biomass by-product lignin was being considered as one of

Hygroscopicity of Waterlogged Archaeological Wood from Xiaobaijiao No.1 Shipwreck Related to Its Deterioration State.

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Waterlogged archaeological wood (WAW) artifacts, made of natural biodegradable polymers, are important parts of many precious cultural heritages. It is of great importance to understand the hygroscopic behavior of WAW in different deterioration states for the development of optimal drying processes

Selective flotation of PVC using gelatin and lignin alkali.

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Recycling has become one of the most important issues as a result of increasing waste mass in present day. This is especially important for polymer wastes as they are hard to degenerate in nature. Today, most of the practical methods used for the recycling of waste mass, such as hand sorting,

Effect of Low-Temperature Pyrolysis on the Properties of Jute Fiber-Reinforced Acetylated Softwood Kraft Lignin-Based Thermoplastic Polyurethane.

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Short jute fiber-reinforced acetylated lignin-based thermoplastic polyurethane (JF reinforced ASKLTPU) was prepared and characterized as a short-fiber-reinforced elastomer with carbon-neutrality and biodegradability. The acetylated softwood kraft lignin-based thermoplastic polyurethane (ASKLTPU) was

Lignin peroxidase isoenzyme: a novel approach to biodegrade the toxic synthetic polymer waste.

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Fungal metabolites are playing an immense role in developing various sustainable waste treatment processes. The present study aimed at production and characterization of fungal lignin peroxidase (EC 1.11.1.14) with a potential to degrade Polyvinyl Chloride. Optimization studies revealed that the

Evaluation of the Deterioration State of Archaeological Wooden Artifacts: A Nondestructive Protocol based on Direct Analysis in Real Time - Mass Spectrometry (DART-MS) Coupled to Chemometrics

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Evaluating the deterioration state of archeological wood is obligatory before the preservation of archeological wooden artifacts. Herein, a nondestructive, accurate, and rapid methodology is first developed via direct analysis in real time-mass spectrometry (DART-MS) with chemometrics to classify

Triply Biobased Thermoplastic Composites of Polylactide/Succinylated Lignin/Epoxidized Soybean Oil.

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Soybean oil is beneficial to improve the compatibility between polylactide (PLA) and succinylated lignin (SAL), which leads to the preparation of a host of biobased composites containing PLA, SAL, and epoxidized soybean oil (ESO). The introduction of SAL and ESO enables the relatively homogeneous

Cloning and homologous expression of novel lignin peroxidase genes in the white-rot fungus Phanerochaete sordida YK-624.

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Two genes, encoding YK-LiP1 and YK-LiP2, were cloned from the white-rot fungus Phanerochaete sordida YK-624, and a homologous expression system for the gene was constructed. Two full-length cDNAs (ylpA and ylpB) were isolated by degenerate RT-PCR and RACE-PCR. The results of N-terminal amino acid

Recyclability of an ionic liquid for biomass pretreatment.

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This study investigated the possibility of reusing an ionic liquid for the pretreatment of biomass. The effects of lignin and water content in a pretreatment solvent on pretreatment products were examined, along with the recyclability of an ionic liquid for pretreatment. It was discovered that the

Root collar rot, a new lethal disease on Tectona grandis caused by Kretzschmaria zonata in Brazil

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Tectona grandis L.f., known as teak, is one of the most valuable tropical hardwood species that has been extensively planted in tropical zones, covering about 6,8 million hectares (Kollert and Kleine 2017). Recent advances in silvicultural management and use of improved clones have enhanced

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