Py-GC
Mechanistic insight in the selective delignification of wheat straw by three white-rot fungal species through quantitative 13C-IS py-GC–MS and whole cell wall HSQC NMR
... To the best of our knowledge, research on the conver- sion of grass lignin is limited [31–33], and studies, where the fungi were compared under the same experimental conditions, are scarce [11, 12, 34]. Furthermore, ...
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Py-GC/MS study of lignin pyrolysis and effect of catalysts on product distribution
... present py-GC/MS system, only volatile compounds could be analyzed, and the indentified compounds were categorized into five categories: aromatic hydrocarbons, phenol-type compounds (phenols), catechol-type ...
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Comparative study on thermal cracking characteristics and bio-oil production from different microalgae using Py-GC/MS
... a GC-MS (Agilent 7890A/5975C, USA), which was equipped with an inert XL mass spectrum detector and a capillary column (30 m in length, ...online Py-GC/MS under a ramping temperature gradient from ...
6
Study of the Thermal Decomposition of Flame-retarded Unsaturated Polyester Resins by Thermogravimetric Analysis and Py-GC/MS
... The effect of flame retardant additives and smoke suppressants on the amount and distribution of evolved products during fast pyrolysis of the flame-retarded polyester resin systems was investigated using isothermal ...
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Evaluating the effect of biochar addition on the anaerobic digestion of swine manure: application of Py GC/MS
... Results obtained from batch digestion test of swine manure SM, pre-treated SM SM_MW and char supplemented systems SM_Char, SM_MW_Char... Selected pyrolysis fragments identified from subs[r] ...
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Catalytic pyrolysis of Laminaria japonica over nanoporous catalysts using Py GC/MS
... to GC/MS, was used for identification of the catalytic cracking ...a GC inlet port (split ratio of 1/100) and onto a metal capillary column (Ultra ALLOY-5MS/HT; 5% diphenyl and 95% dimethylpolysiloxane, ...
7
Synthetic materials in art: a new comprehensive approach for the characterization of multi-material artworks by analytical pyrolysis
... Multi-shot pyrolysis conditions were optimized as fol- lows. Pyrolysis temperatures were selected based on the specific EGA/MS results (“Py-GC/MS” section): shot 1: 260 °C; shot 2: 308 °C; shot 3: 340 °C; ...
14
Evidence for prehistoric origins of Egyptian mummification in Late Neolithic burials
... Traditional theories on ancient Egyptian mummification postulate that in the prehistoric period (i.e. the Neolithic and Chalcolithic periods, 5 th and 4 th millennia B.C.) bodies were naturally desiccated through the ...
14
The nature and fate of natural resins in the geosphere XIII: a probable pinaceous resin from the early Cretaceous (Barremian), Isle of Wight
... Samples of amber from the Isle of Wight were obtained by request from the Dinosaur Isle Museum, Isle of Wight. Py- GC-MS analyses of the amber were performed as previ- ously described [10]. Pyrolytic ...
5
A novel and efficient fungal delignification strategy based on versatile peroxidase for lignocellulose bioconversion
... by Py–GC/MS as aforementioned, which revealed that fun- gal pretreatment predominantly led to the degradation of S-type lignins, followed by G- and H-type ...
15
Structural elucidation of condensed tannin from the bark waste of Acacia crassicarpa plantation wood in Indonesia
... methylated Py-GC/MS pro- duct of wine tannin [18–20], and the ion fragmentation of 2,4,6-trimethoxybenzoic acid methyl ester (h) has not been ...methylated Py-GC/MS to identify the unknown ...
10
Pyrolysis GC-MS analysis of tars formed during the aging of wood and bamboo crude vinegars
... Due to the increased utilization of wood and bamboo vine- gars, a systematic investigation of tar formation associated with the production of these vinegars is required for the development of a rapid refi ning process. ...
6
Effect of Acidic Catalyst on Properties of Novel Conductive Copolymer Films Made of Pyrrole and Formyl Pyrrole
... Pyrrole (Py) monomer was purchased from Tokyo Chem- ical Industry Co. Ltd. (Tokyo, Japan) and distilled under reduced pressure after dehydration using calcium hydride for 24 hr. Pyrrole-2-carboxaldehyde (2-formyl ...
7
Consequences of a subtle sialic acid modification on the murine polyomavirus receptor.
... 12,500 Py particles bound per cell and approached asymptotically a value of maximal binding of 25,000 Py particles bound per cell, which equals the number of functional receptor sites per ...
10
The polyomavirus early region gene in transgenic mice causes vascular and bone tumors.
... However, we have not detected gross differences in expression levels between the Py early region transgene and the Py cDNA transgenes in either tumors or unaffected tissue, and the expre[r] ...
10
Ferromagnetic Resonance to Investigate Spin Pumping in Permalloy Multilayers
... to Py of similar thicknesses in the ...in Py/Cu/Ir and more drastically in ...for Py/Cu/Ir and Py/Ir samples were larger than the control by factors of roughly ...to Py/Cu/Ir samples, ...
87
Marginal sealing of relocated cervical margins of mesio-occluso-distal overlays.
... lays in both groups. G-Cem LinkForce (GC Corp.) was mixed with its special mixing tip, and the initial mixture was discarded on clean paper. The subsequent mixture was applied to the inner surface of the ...
10
Murine polyomavirus and simian virus 40 large T antigens produce different structural alterations in viral origin DNA.
... In general, initiation of DNA replication involves recogni- tion of the origin of replication by a site-specific DNA-binding protein, which then, in the presence of nucleotide, induces sufficient structural distortions ...
7
E1A represses wild-type and F9-selected polyomavirus DNA replication by a mechanism not requiring depression of large tumor antigen transcription.
... Adenovirus ElA proteins repress transcriptional activation of various enhancers, including those of Py, and can stimulate DNA replication in quiescent cells, but ElA effects on Py DNA re[r] ...
8
The crystal structures of iron and cobalt pyridine (py)–sulfates, [Fe(SO4)(py)4]n and [Co3(SO4)3(py)11]n
... The iron compound 1 displays a polymeric structure, with infinite chains of FeII atoms adopting octahedral N4O2 coordination environments that involve four pyridine ligands and two bridg[r] ...
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