degradation of hydrocarbons by yeasts and filamentous fungi

... MMP-7 and MMP-9 showed similar cleavage behavior and only cut at and of 15 possible x-Tyr cleavage sites, respectively x-Phe bonds were found to be hydrolyzed by MMP-7 (2 of 16) and MMP-12 (4 of ... )30 °C MALDI-TOF ⁄ TOF MS analysis Analysis of the digests was conducted by of ine nanoHPLC ⁄ MALDI-TOF ⁄ TOF MS, using a nanoHPLC system (Ultimate 3000; Dionex, Idstein, Germany) and an Ultraflex ... ‘none’, and the mass error tolerances for precursor and fragment ions were typically set to 0.15 u for qTOF MS ⁄ MS and 50 p.p.m and u, respectively, for MALDI-TOF ⁄ TOF MS data The formation of pyroglutamic...

Ngày tải lên: 16/02/2014, 14:20

... comparison of band absorbance Absence of a sharp and convoluted spectral band around 3600–3000 cm)1 in the spectra of both chitosan and LMWC indicated the absence of free -OH groups and the involvement ... (moles/L) · volume of titrant (mL)/mass of sample (g) and the level of deacetylation was calculated by comparison between the number of free amino groups (per unit weight of the sample) and the equivalent ... (Fig 1) and appearance of a single broad peak around 3371 cm (Fig 2), in contrast to the presence of two peaks in case of a-conformation The degree of acetylation (DA) determined by IR and 13C-NMR...

Ngày tải lên: 19/02/2014, 12:20

... summarizes the results of our laccase oxidations of substrates 1–5, and the effect of the cosolvent and of the mediators on the amount of substrate metabolized by the enzyme (a) Laccase and laccase/HPI ... determination of laccase activity Fig Mechanisms of the O2-laccase-HPI (A) and O2-laccaseTEMPO (B) oxidation of substrates 1–5 (Fig 2) The activity of laccase was determined by following the rate of oxidation ... could be detected by LC-MS, even though the formation of small amounts of olefinic products is indicated by 1H-NMR spectra also in this case (Fig 4) There is no evidence of oxidation of the internal...

Ngày tải lên: 21/02/2014, 01:21

... (A, B, C and D) and glycoproteins (E, F, G and H) were analyzed by HPLC as described in Experimental procedures (D) and (H) correspond to the pattern of oligomannosides bound to LLO and glycoproteins, ... fraction Most of the evidence for the occurrence of degradation signals involved in ERAD has been obtained by studying the effect of inhibitors of demannosylation (kifunensine and deoxymannojirimycine) ... the presence of kifunensine, an inhibitor of the demannosylation process Figure 1D,H shows that incubation in the presence of 20 lM kifunensine did not affect the proportion of Man5 and Man9 species...

Ngày tải lên: 16/03/2014, 16:20

... Comparison between the utilization of phosphorus from insoluble mineral phosphates by ectomycorrhizal fungi and rhizobacteria In: Physiological and Genetical Aspects of Mycorhizae (GianinazziPearson ... released into the rhizosphere by pine roots (Leyval, 1988) The inoculation of roots with L laccata increased Mg, Fe, Al and K mobilization from the mineral and losses of K in pine rhizosphere Under ... vermiculite, losses of K, Fe and Mg) occurred only in the rhizosphere and was greater in pine rhizosphere than in beech rhizosphere, which could be explained by the greater amount of organic acids...

Ngày tải lên: 09/08/2014, 04:20

... deqi and beneficial or non-deqi and harmful Discussion Limitations The sample size of this study was small and the scope of this survey is narrow The exclusion of the timing of deqi assessment and ... Center for Integrative Medicine, University of Maryland School of Medicine, Maryland, 21207, USA Authors’ contributions KKSH and LL conceived the study design and interpreted the data KKSH wrote the ... their techniques and intensity of stimulationto the sentiments of his patients This raises an important question as to how TCM practices are translated and practiced across cultures and uncovers...

Ngày tải lên: 13/08/2014, 14:20

... 1: First rule of Lakoff‘s theory of politeness 18 Figure 2: Second rule of Lakoff‘s theory of politeness 19 Figure 3: Employment of apologizing strategies by English and Vietnamese ... Frequency of the use of apologizing categories by English and Vietnamese speakers across the first five situations 49 Table 5: Frequency of the use of apologizing categories by English and Vietnamese ... strategy of minimizing the degree of offense or interjecting; in general, all of respondents employ some main strategies like the expression of apology, acknowledgement of responsibility, offer of...

Ngày tải lên: 17/07/2015, 10:56

... of all scales Using J 48 algorithm in the present work A standard tree induced with c5.0 (or possibly ID3 or c4.5) consists of a number of branches, one root, a number of nodes and a number of ... 1351–1366 Application of SVM and PSVM for problem at hand and results Fig 14 shows the methodology adopted for classification of various conditions of gear box using SVM and PSVM For each condition ... processing and classification of the data for any meaningful surveillance of the condition of the system being monitored The flowchart in Fig explains the process of data acquisition and further...

Ngày tải lên: 04/04/2016, 22:44

... level of available lead and cadmium by half In addition, the application of zeolite reduced the lead content of rice straw by 56%, and of rice grain by 69% It reduced the cadmium content of the ... area of West Java which is important for agroforestry and tourism (Sofyan et al 1997) The aim of the study was to see the effect of air pollution by automobiles on soil quality The result of the ... Pollution Of Soil By Agricultural And Industrial Waste Page of These wastes reduce soil quality, and are a potential cause of environmental degradation CONTAMINATION FROM INDUSTRIAL WASTES Top of Document...

Ngày tải lên: 26/05/2016, 21:57

... activation and antiapoptotic reaction through the downregulation of tBid by Itch and proteasomal degradation They also provide a more detailed mechanism towards the possible means of action of popular ... none of them mutually exclusive Activation of Akt by treatment with EGF has been shown to protect cells from TRAIL-induced apoptosis by increasing the phosphorylation of Bad, which impairs Bax and ... cleaved form of Bid, tBid, directly induces cell apoptosis by triggering the aggregation of Bax and Bak on mitochondrial membranes, which liberates cytochrome c and activates caspase and the apoptosome...

Ngày tải lên: 16/02/2014, 09:20

... to calpain degradation Results Levels of HSP90 and NOS isozymes in rat brain and aorta The level of HSP90 and the type of NOS isoform present in rat brain and aorta were determined by immunoblotting ... characterized by a constitutive elevation in [Ca2+]i and a higher responsiveness to HSD We report here that, in the brain and aorta of HSDtreated rats, the extent and patterns of proteolytic degradation of ... concentration ([Ca2+]i) by the administration of a high-sodium diet (HSD) [28], and studied calpain degradation of NOS and HSP90 in brain and aorta To amplify the range of fluctuations in [Ca2+]i,...

Ngày tải lên: 30/03/2014, 04:20

... The source of Ar ions is a commercial ion gun used for sputtering of materials during depth profiling Ar ion beam with the energy of keV at an incidence angle of 45° and a raster of mm × mm was ... been confirmed by cultivation using the standard plate count technique Bacteria are covered with a thin film of jelly of lipopolysaccharides and is called capsule The majority of lipopolysaccharide ... treatment, and then activated with a brief exposure to oxygen plasma in order to assure the removal of any traces of organic contaminants and achieve optimal hydrophilicity A drop of water containing...

Ngày tải lên: 18/05/2014, 20:33

... sludge by sieving, organic waste was grinded and they were mixed with one part of sludge and three part of organic waste According to (Cao & Bui., 2013) [11] this ratio is suitable for biodegradation ... degraded TS and VS removals were 15.4% and 18.2% respectively, in the case of (SL + OW) In the case of (SL +OW + Tween 80), CH4 generated was 351 ml/g VS degraded, TS and VS removal were 13.51% and 18.3% ... bio -degradation of PAHs in case of (SL + OW) was shown in fig 2, The removal efficiency of 2-3 rings, rings, rings, rings and total PAHs compounds were 65.34 %, 47.93 %, 35.43 %, 21.35 % and...

Ngày tải lên: 24/06/2015, 08:16

Ngày tải lên: 04/10/2012, 10:02

... sensitivity of 80% and a specificity of 70% (AUC 0.8) with a cut-off value of less than 1.95 cm/s Poor agreement between VVI and TDI measurements have been previously demonstrated, and therefore ... differences of the radial and circumferential strain and strain rate by 2DST in normo-, hypo-, akinetic and dyskinetic segments of post-infarct patients 8-13, 30-37, which were not reliably accessible by ... differences of the peak systolic longitudinal strain between segments with LE ≥ 51% and LE 1-50% 15 By using the previously proposed cut-off value 15 for strain of –6.5 % a sensitivity of 23 % and specificity...

Ngày tải lên: 25/10/2012, 11:15

... downstream of Busan area of Nakdong river basin Estrogenic activity and concentration of estrogenic substances in the Nakdong River basin Relative estrogenic activity of the main and branch stream of ... 20ml of dichloromethane and distilled water after filtration by a glass fiber filter (Whatman GF/B, previously rinsed with MeOH and dried) The SPE column was eluted by dichloromethane, and then ... color developed, 100 ㎕ of 1M Na2CO3 were added to stop the reaction And absorbance is measured at 420nm (absorbance by o-nitrophenol) and 570nm (light scattering at the end of reaction) β-galactosidase...

Ngày tải lên: 05/09/2013, 08:40

... anaerobic mesophilic and thermophilic conditions, the variation of MO at concentration of 100, 200, 400, 600, 800 and 1,000mg·L-1 and RB4 at concentration of 100, 200, 300, 400, 500 and 600mg·L-1 supplemented ... digested sludge The potential of digested sludge on MO and RB4 tested by variation of dye concentration was shown by the different extent of decolorizing efficiency of the tested dyes MO could ... increase and presence of dye was associated with inhibition of organic matters conversion pathways caused by of the accumulation of volatile fatty acids in the treatment system In the case of temperature...

Ngày tải lên: 05/09/2013, 09:38

... - Variations of reduction rate for (a) TOC, TN and TP, (b) Cr, Fe, Pb, and Zn, and diurnal variations of contact times during field test Table - Mean and standard deviation (SD) of the concentration ... SD: Standard deviation, CV: Coefficient of variation - 12 - Journal of Water and Environment Technology, Vol 7, No 1, 2009 The water qualities of inflow water (IN) and outflow water (OUT) of the ... the - 13 - Journal of Water and Environment Technology, Vol 7, No 1, 2009 standard deviation (SD) in TP was larger than those of TOC and TN (Table 3) and the reduction rate of TP was distributed...

Ngày tải lên: 05/09/2013, 09:38

... conductivity and the transport of salts such as cations (Na+, Ca2+, Mg2+ and K+) and Cl- in a column were investigated by using a tensiometer and a four-electrode sensor, and the amounts of these ... application rates of 0.5 wt% and 1.0 wt% Alkali soil and gypsum were mixed uniformly and were packed in an acrylic ring with an outer diameter of 60 mm, inner diameter of 50 mm, and height of 20 mm at ... Journal of Water and Environment Technology, Vol 7, No 2, 2009 concentration and a high ESP (Quirk and Schofield, 1955) In recent years, the air, water and soil in China have been polluted by economic...

Ngày tải lên: 05/09/2013, 09:38

... between and or The effect of pH on the anaerobic uptake of radio-labeled acetate by Candidatus ‘Accumulibacter phosphatis’ and Candidatus ‘Competibacter phosphatis’ was examined by MAR-FISH, and ... reduction and the area of silver granules per cell Dotted lines are for 95% limits for the mean (Left: E coli Right: R eutropha ) Effect of pH on acetate uptake by PAOs and GAOs The profiles of pH, ... Journal of Water and Environment Technology, Vol 7, No 4, 2009 Since the predomination of GAOs instead of PAOs leads to the deterioration of EBPR, it is essential to understand the mechanisms of the...

Ngày tải lên: 05/09/2013, 09:38