Merck
Search Within
Applied Filters:
Keyword:'a3131'
Showing 1-30 of 113 results for "

a3131

" within Papers
Moez Rhimi et al.
Bioresource technology, 102(3), 3309-3315 (2010-11-30)
Lactobacillusdelbrueckii subsp. bulgaricus and Streptococcus thermophilus are used for the biotransformation of milk in yoghurt. During milk fermentation, these lactic acid bacteria (LAB) hydrolyze lactose producing a glucose moiety that is further metabolized and a galactose moiety that they are
Joseph J Dalluge et al.
Analytical and bioanalytical chemistry, 407(18), 5513-5519 (2015-05-11)
A method has been developed for the direct determination of agmatine in bacterial culture supernatants using isotope dilution ultra performance liquid chromatography (UPLC)-tandem mass spectrometry (UPLC-MS/MS). Agmatine determination in bacterial supernatants is comprised of spiking culture or isolate supernatants with
Said Jebors et al.
Chemical communications (Cambridge, England), 47(45), 12307-12309 (2011-10-21)
L-Arabinose isomerase stability is a crucial criterion for the industrial application of this biocatalyst. Noria and NoriaPG are capable of increasing the L-arabinose isomerase stability not only at high temperatures but also at low pH. Such results highlight, for the
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
Krittikorn Kümpornsin et al.
Malaria journal, 13, 150-150 (2014-04-22)
Antifolates are currently in clinical use for malaria preventive therapy and treatment. The drugs kill the parasites by targeting the enzymes in the de novo folate pathway. The use of antifolates has now been limited by the spread of drug-resistant
Paweł Laniewski et al.
Clinical and vaccine immunology : CVI, 21(9), 1267-1276 (2014-07-06)
Salmonella enterica serovar Gallinarum is the etiological agent of fowl typhoid, which constitutes a considerable economic problem for poultry growers in developing countries. The vaccination of chickens seems to be the most effective strategy to control the disease in those
Olga I Kahn et al.
Cytoskeleton (Hoboken, N.J.), 72(7), 340-348 (2015-08-11)
TPX2 (targeting protein for Xklp2) is a multifunctional mitotic spindle assembly factor that in mammalian cells localizes and regulates mitotic motor protein kinesin-5 (also called Eg5 or kif11). We previously showed that upon depletion or inhibition of kinesin-5 in cultured
Olga I Kahn et al.
Molecular biology of the cell, 26(1), 66-77 (2014-10-31)
Kinesin-5 is a slow homotetrameric motor protein best known for its essential role in the mitotic spindle, where it limits the rate at which faster motors can move microtubules. In neurons, experimental suppression of kinesin-5 causes the axon to grow
Howard B Gamper et al.
Nature communications, 6, 7226-7226 (2015-05-27)
Maintaining the translational reading frame poses difficulty for the ribosome. Slippery mRNA sequences such as CC[C/U]-[C/U], read by isoacceptors of tRNA(Pro), are highly prone to +1 frameshift (+1FS) errors. Here we show that +1FS errors occur by two mechanisms, a
Namon Hirun et al.
Drug development and industrial pharmacy, 41(2), 194-200 (2013-11-16)
Tamarind seed xyloglucan (TSX) is generally used for drug delivery systems. Gallic acid (GA) possesses various pharmacological activities. It has a good solubility and bioavailability but short half-life. To prepare a sustained-release of GA to overcome its relatively short half-life.
Qingxia Yuan et al.
Carbohydrate polymers, 128, 52-62 (2015-05-26)
Extraction optimization, characterization and antioxidant activity in vitro of polysaccharides from mulberry leaves (MLP) were investigated in the present study. The optimal extraction conditions with an extraction yield of 10.0 ± 0.5% for MLP were determined as follows: extraction temperature
Shuangquan Yao et al.
Bioresource technology, 185, 21-27 (2015-03-10)
To reduce the degradation of cellulose and obtain high molecular weight of hemicellulose from the extracts, pH pre-corrected hot water pretreatment was developed by employing sodium hydroxide (3.9mol/L). The response surface model was established to optimize the extraction process. The
Maurizio Bettiga et al.
Biotechnology for biofuels, 1(1), 16-16 (2008-10-25)
Ethanolic fermentation of lignocellulosic biomass is a sustainable option for the production of bioethanol. This process would greatly benefit from recombinant Saccharomyces cerevisiae strains also able to ferment, besides the hexose sugar fraction, the pentose sugars, arabinose and xylose. Different
Yingyu Wang et al.
Carbohydrate polymers, 127, 215-221 (2015-05-13)
In this study, one polysaccharide (GFP1), with an average molecular weight of 1.4 × 10(5)Da, was isolated from Ginseng fruits. GFP1 was composed of galactose, glucose, rhamnose, and arabinose in a molar ratio of 6.1:2.0:1.1:3.2, and had a backbone mainly
Zhen-Bin Wang et al.
Carbohydrate polymers, 109, 49-55 (2014-05-13)
Three partially purified polysaccharides were extracted from Phellinus linteus mycelia using hot water, 1% (NH4)2C2O4, and 1.25M NaOH/0.05% NaBH4, and the extracts were named PL-W, PL-A, and, PL-N respectively. PL-N mainly comprised xylose and arabinose with a high molecular weight
Olivier Barraud et al.
Journal of bacteriology, 197(13), 2171-2178 (2015-04-22)
Integrons are bacterial genetic elements able to capture and express genes contained within mobile gene cassettes. Gene cassettes are expressed via a Pc promoter and can be excised from or integrated into the integron by integrase IntI. Although the mechanisms
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
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
Jun Zhou et al.
Journal of ethnopharmacology, 164, 229-238 (2015-02-24)
Rehmannia glutinosa (Gaertn.) DC. (RG) has been widely used as traditional Chinese herbal medicine for treatment of diabetes and its complications. The polysaccharide fraction of RG has been proposed to possess hypoglycemic effect by intraperitoneal administration, however, the mechanisms responsible
Luke L Lairson et al.
Nature chemical biology, 2(12), 724-728 (2006-10-24)
Despite their unparalleled catalytic prowess and environmental compatibility, enzymes have yet to see widespread application in synthetic chemistry. This lack of application and the resulting underuse of their enormous potential stems not only from a wariness about aqueous biological catalysis
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
Guang Zeng et al.
Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 36(9), 6781-6788 (2015-04-04)
In the present study, we isolated and characterized a homogenous polysaccharide (GIAP1) from the alkaline extract of the roots of Glycyrrhiza inflata. The anti-tumor activity of GIAP1 toward human oral cancer SCC-25 cells and the underlying mechanisms were also examined
Sirinan Shompoosang et al.
Bioscience, biotechnology, and biochemistry, 78(2), 317-325 (2014-07-19)
6-Deoxy-L-glucose, 6-deoxy-L-altrose, and 6-deoxy-L-allose were produced from L-rhamnose with an immobilized enzyme that was partially purified (IE) and an immobilized Escherichia coli recombinant treated with toluene (TT). 6-Deoxy-L-psicose was produced from L-rhamnose by a combination of L-rhamnose isomerase (TT-PsLRhI) and
Helena Osterholz et al.
Nature communications, 6, 7422-7422 (2015-06-19)
Dissolved organic matter (DOM) in the oceans constitutes a major carbon pool involved in global biogeochemical cycles. More than 96% of the marine DOM resists microbial degradation for thousands of years. The composition of this refractory DOM (RDOM) exhibits a
Luigi Poisson et al.
Journal of agricultural and food chemistry, 66(10), 2422-2431 (2016-12-27)
The origin and formation pathways of the buttery-smelling α-diketones 2,3-butanedione and 2,3-pentanedione upon coffee roasting were studied by means of biomimetic in-bean experiments combined with labeling experiments. For this purpose natural sucrose in the coffee bean was replaced by fully
Nan Wang et al.
Carbohydrate polymers, 111, 47-55 (2014-07-20)
A neutral polysaccharide fraction (SMPA) prepared from the roots of Salvia miltiorrhiza by DEAE-cellulose and Sephadex G-100 chromatography was tested for its immune enhancing function in N-methyl-N'-nitro-nitrosoguanidine (MNNG)-induced gastric cancer rats by intragastric administration. SMPA (200mg/kg) treatment not only increased
M Tokuda et al.
Connective tissue research, 56(1), 44-49 (2014-11-06)
To examine the responses of mouse odontoblast-lineage cell line (OLC) cultures to xylitol-induced hypertonic stress. OLCs were treated with xylitol, sucrose, sorbitol, mannitol, arabinose and lyxose. Cell viability was evaluated using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium assay. The expression of transient receptor
Fátima Vargas et al.
Bioresource technology, 191, 263-270 (2015-05-23)
In the present work, the hydrothermal valorization of an abundant agricultural residue has been studied in order to look for high added value applications by means of hydrothermal pretreatment followed by fed-batch simultaneous saccharification and fermentation, to obtain oligomers and
Manuela Rollini et al.
Bioprocess and biosystems engineering, 37(12), 2587-2595 (2014-06-26)
This study investigated the effect of enzymatic and combined alkaline-enzymatic pretreatments on chemical composition and methane production from ensiled sorghum forage. Four commercial enzymatic preparations were tested and the two yielding the highest sugars release were added to evaluate any
Fuqing Xu et al.
Bioresource technology, 200, 753-760 (2015-11-18)
To select a proper inoculum for the solid state anaerobic digestion (SS-AD) of yard trimmings, digestate from solid anaerobic digesters and dewatered effluent from liquid anaerobic digesters were compared at substrate-to-inoculum (S/I) ratios from 0.2 to 2 (dry basis), and
Page 1 of 4
Page 1 of 4