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Kazuhiko Kurosawa et al.
Bioresource technology, 193, 206-212 (2015-07-05)
Extracting lipids from oleaginous microbial cells in a cost effective and environmentally compatible manner remains a critical challenge in developing manufacturing paradigms for advanced liquid biofuels. In this study, a new approach using microbial growth inhibitors from lignocellulose-derived feedstocks was
Ji Ye Lee et al.
Bioresource technology, 132, 84-90 (2013-02-12)
The objective of this work was to investigate the feasibility of acid-catalyzed hydrothermal fractionation for maximum solubilization of the hemicellulosic portion of three agricultural residues. The fractionation conditions converted into combined severity factor (CS) in the range of 1.2-2.9. The
Danielle Szczerbowski et al.
Carbohydrate polymers, 114, 95-101 (2014-09-30)
Two fractions of sugarcane, namely bagasse and straw (or trash), were characterized in relation to their chemical composition. Bagasse presented values of glucans, hemicelluloses, lignin and ash of 37.74, 27.23, 20.57 and 6.53%, respectively, while straw had 33.77, 27.38, 21.28
Fenfen Wang et al.
Carbohydrate research, 368, 78-83 (2013-01-26)
The catalytic dehydration of fructose to 5-hydroxymethylfurfural (HMF) in DMSO was performed over Nb2O5 derived from calcination of niobic acid at various temperatures (300-700 °C). The catalysts were characterized by powder X-ray diffraction, N2 physical adsorption, temperature-programed desorption of NH3
A Patrizi et al.
Giornale italiano di dermatologia e venereologia : organo ufficiale, Societa italiana di dermatologia e sifilografia, 147(6 Suppl 1), 1-8 (2013-01-18)
Pityriasis alba (PA) is a skin disorder characterized by finely scaly, hypopigmented patches, typical of childhood, that also represents an atopic dermatitis (AD) minor sign according to Hanifin and Rajka criteria. It may be isolated or associated with AD representing
F Monlau et al.
Bioresource technology, 187, 379-386 (2015-04-13)
The robust supramolecular structure of biomass often requires severe pretreatments conditions to produce soluble sugars. Nonetheless, these processes generate some inhibitory compounds (i.e. furans compounds and aliphatic acids) deriving mainly from sugars degradation. To avoid the inhibition of the biological
Binzhe Sun et al.
Bioresource technology, 196, 454-458 (2015-08-19)
A simple pretreatment method, NaOH swelling at a low temperature and then HCl regeneration, was developed for depolymerization of cellulose to glucose. Cellulose was transformed into amorphous hydrogel during the treatment; and due to the easy diffusion of H(+) and
IARC monographs on the evaluation of carcinogenic risks to humans, 63, 409-429 (1995-01-01)
I S M Rafiqul et al.
Applied biochemistry and biotechnology, 176(4), 1071-1083 (2015-04-24)
Xylose-rich sawdust hydrolysate can be an economic substrate for the enzymatic production of xylitol, a specialty product. It is important to identify the process factors influencing xylitol production. This research aimed to screen the parameters significantly affecting bioxylitol synthesis from
Reetta Karinen et al.
ChemSusChem, 4(8), 1002-1016 (2011-07-06)
Furfurals are important intermediates in the chemical industry. They are typically produced by homogeneous catalysis in aqueous solutions. However, heterogeneously catalyzed processes would be beneficial in view of the principles of green chemistry: the elimination of homogeneous mineral acids makes
Mood Mohan et al.
Bioresource technology, 191, 244-252 (2015-05-23)
The aim of present study was to obtain total reducing sugars (TRS) from bamboo under subcritical water (SCW) treatment in a batch reactor at the temperature ranging from 170 °C to 220 °C and 40 min hydrolysis time. Experiments were
Luxin Zhang et al.
Bioresource technology, 130, 110-116 (2013-01-12)
In order to define a new green catalytic pathway for the production of furfural, the catalyzed conversion of xylan into furfural in 1-butyl-3-methylimidazolium chloride was studied by using mineral acids and metal chlorides as catalysts under microwave irradiation. Amongst these
Luiza Helena da Silva Martins et al.
Bioresource technology, 191, 312-321 (2015-05-26)
This work evaluated ethanol production from sugarcane bagasse at high solids loadings in the pretreatment (20-40% w/v) and hydrolysis (10-20% w/v) stages. The best conditions for diluted sulfuric acid, AHP and Ox-B pretreatments were determined and mass balances including pretreatment
Ava A Greenwood et al.
Biotechnology for biofuels, 8, 26-26 (2015-05-13)
Acid hydrolysis is a popular pretreatment for removing hemicellulose from lignocelluloses in order to produce a digestible substrate for enzymatic saccharification. In this work, a novel model for the dilute acid hydrolysis of hemicellulose within sugarcane bagasse is presented and
Zhi-Hua Liu et al.
Bioresource technology, 193, 345-356 (2015-07-06)
A novel conversion process using steam explosion combined with enzymatic digestibility was exploited to increase sugar yield. Results showed that glucan and xylan recovery decreased with the increase of holding temperature and residence time in SE, respectively, while glucan and
Nicolas Brun et al.
ChemSusChem, 6(4), 701-710 (2013-03-16)
Carbon-based monoliths have been designed using a simple synthetic pathway based on using high internal phase emulsion (HIPE) as a soft template to confine the polymerization and hydrothermal carbonization of saccharide derivatives (furfural) and phenolic compounds (phloroglucinol). Monosaccharides can be
Jianmin Zhang et al.
Journal of medicinal chemistry, 50(8), 1850-1864 (2007-03-27)
The 3C-like protease (3CLpro), which controls the severe acute respiratory syndrome (SARS) coronavirus replication, has been identified as a potential target for drug design in the treatment of SARS. A series of tetrapeptide phthalhydrazide ketones, pyridinyl esters, and their analogs
Yu Shen et al.
Journal of industrial microbiology & biotechnology, 41(11), 1637-1645 (2014-09-30)
The phenolic compounds present in hydrolysates pose significant challenges for the sustainable lignocellulosic materials refining industry. Three Saccharomyces cerevisiae strains with high tolerance to lignocellulose hydrolysate were obtained through ethyl methanesulfonate mutation and adaptive evolution. Among them, strain EMV-8 exhibits
Cristina García-Sancho et al.
ChemSusChem, 6(4), 635-642 (2013-03-21)
A series of silica-based MCM-41-supported niobium-oxide catalysts are prepared, characterized by using XRD, N2 adsorption-desorption, X-ray photoelectron spectroscopy, Raman spectroscopy, and pyridine adsorption coupled to FTIR spectroscopy, and tested for the dehydration of D-xylose to furfural. Under the operating conditions
Yue Shen et al.
Bioresource technology, 192, 812-816 (2015-06-10)
A simple and effective route for the production of levulinic acid (LA) from cellulose has been developed in SO3H-functionalized ionic liquids. The effects of ionic liquid structures, reaction conditions and combination of metal chlorides with ILs on the yield of
Rajib Biswas et al.
Bioresource technology, 192, 46-53 (2015-05-27)
The logging and lumbering industry in the Pacific Northwest region generates huge amount of forest residues, offering an inexpensive raw material for biorefineries. Wet explosion (WEx) pretreatment was applied to the recalcitrant biomass to optimize process conditions including temperature (170-190
K S Arias et al.
ChemSusChem, 6(1), 123-131 (2013-01-11)
The selective acetalization of 5-hydroxymethylfurfural (HMF) with long-chain alkyl alcohols has been performed to obtain precursors of molecules with surfactant properties. If direct acetalization of HMF with n-octanol is performed in the presence of strong acids (homogeneous and heterogeneous catalysts)
Shizeng Wang et al.
Fungal genetics and biology : FG & B, 82, 1-8 (2015-07-02)
During xylitol fermentation, Candida tropicalis is often inhibited by inhibitors in hemicellulose hydrolysate. The mechanisms involved in the metabolic responses to inhibitor stress and the resistances to inhibitors are still not clear. To understand the inhibition mechanisms and the metabolic
Nobuo Ochiai et al.
Journal of chromatography. A, 1421, 103-113 (2015-08-16)
An extension of multi-volatile method (MVM) technology using the combination of a standard dynamic headspace (DHS) configuration, and a modified DHS configuration incorporating an additional vacuum module, was developed for milliliter injection volume of aqueous sample with full sample evaporation.
Roberto A Agudelo et al.
New biotechnology, 33(1), 153-163 (2015-10-20)
Triticale, a non-food based, low-cost and well-adapted crop in marginal lands has been considered as a potential 1G and 2G feedstock for bio-ethanol production. In this work, triticale straw was evaluated as a source of fermentable sugars by combination of
Tao Pan et al.
ChemSusChem, 6(1), 47-50 (2012-12-15)
One divided into two combined into one: The catalytic conversion of furfural into a 2,5-furandicarboxylic acid-based polyester, linked by the disproportionation of furoate to furan and 2,5-furandicarboxylate, is reported. In this manner, all carbons are utilized, demonstrating the success of
Le Gao et al.
Biotechnology for biofuels, 8, 194-194 (2015-12-18)
Algal biomass, known as a potential feedstock for biofuel production, has cell wall structures that differ from terrestrial biomass. The existing methods for processing algae are limited to conventional pretreatments for terrestrial biomass. In this study, we investigated a novel
Binzhe Sun et al.
Bioresource technology, 192, 253-256 (2015-06-04)
To improve the production of glucose from cellulose, a simple and effective route was developed. This process uses a combination of a step of cellulose dissolution in aqueous NaOH/urea solution and then regeneration with water, followed by an acid hydrolysis
Domino reaction catalyzed by zeolites with Brønsted and Lewis acid sites for the production of γ-valerolactone from furfural.
Linh Bui et al.
Angewandte Chemie (International ed. in English), 52(31), 8022-8025 (2013-06-13)
Abdul Azis Ariffin et al.
Food chemistry, 154, 102-107 (2014-02-13)
For the first time 5-hydroxymethyl-2-furaldehyde (HMF) was separated from crude palm oil (CPO), and its authenticity was determined using an RP-HPLC method. Separation was accomplished with isocratic elution of a mobile phase comprising water and methanol (92:8 v/v) on a
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