extracellular enzyme activities in the water column and sediment

... During the dry season, the quantity of transported sediment was lower and the major input of sediment into the system came from the coastal area The estuarine domain was silting up whatever the ... total inputs in the wet and dry season, respectively These budgets also indicated that during the wet season, the massive influx of sediment originated from the watershed passed through the estuary ... is water density calculated according to the UNESCO 1983 polynomial formula, h is the water depth, g is the acceleration of gravity and < > stands for averaging over the water column As the water...

Ngày tải lên: 09/08/2014, 18:20

... by the authors With these regulations, the resource users, instead of independent unit in using the lagoon’s resources as before, have to join in the FA When they become the FA’s member, they ... disease during these periods made them unable to cover the costs for feeding and prevention of disease Moreover, the high pressure from loan interest for the initial investment pushed them to abandon ... other when having disasters, diseases, and financial difficulty, and (iii) resolving conflicts in fishing grounds and about resources among individuals and/ or household members However, the water...

Ngày tải lên: 14/03/2014, 15:20

... analysis, indicating that the enzyme cleaved the b-aryl ether linkage in GOU specifically to produce GG and 4MU In addition, the enzyme also cleaved the b-aryl ether bond in GOG to produce GG and guaiacol ... stable in the extracellular fraction The extracellular fraction of 2BW-1 generated abundant GG and 4MU from GOU by cleaving the ether linkage In addition, this extracellular enzyme cleaved the b-aryl ... 7) The b-aryl ether cleavage enzyme could not cleave the b-aryl ether linkages of GOUbz (III) and GOGbz (IV) In addition, the b-aryl ether cleavage enzyme failed to cleave the b-aryl ether linkage...

Ngày tải lên: 17/03/2014, 03:20

... statement and suggests that the RNA binding site is still available and its binding affinity is not altered by the presence of DNA in the DNA binding site Interestingly, when nM RNA and 10 nM ... substrate failed to inhibit RNA splicing, even when in 50- and 400-fold excess over protein and RNA, respectively (Fig 6B) Interpreting the data as being inconsistent with a single binding site model ... DNA substrate to inhibit RNA splicing (Fig 6B) and therefore it seems reasonable to make the working hypothesis that the RNA and DNA binding sites are not the same, rather that they are separate...

Ngày tải lên: 17/03/2014, 10:20

... The social and human living purposes, that would live his life and find the meaning of life If the body is alive with food,Man – air being in mind, spirit is nourished by others water, a the ... world of business location in Vietnam with friends in the world Therefore, understanding yourself, understanding the market, with global vision and values of their own to pursue is the most important ... food There is such a new environment is clean and healthy Soul - The indispensable If the body needs food, drinking water to sustain life activities, food for the soul of literature, art and culture...

Ngày tải lên: 22/03/2014, 09:20

... (basic-X-acidic-leucine) at the C-terminus, with the basic residue being lysine (21 species), arginine (nine) or histidine (four), and the acidic 1120 residue being glutamate (30) or aspartate (four) Murine and ... both proline (or methionine and phenylalanine) in the first position and glycine in the second position not fit with the general KDEL-like signal consensus [KRHQSA]-[DENQ]E-L deposited in the PROSITE ... substitute for KDEL in mediating lysozyme retention in COS cells On the other hand, in vitro experiments have shown quite efficient binding of an HDEL tetrapeptide and even weak binding of a DDEL tetrapeptide...

Ngày tải lên: 23/03/2014, 07:20

... the lung, myocardium, liver, intestine and testis, as well as in the epithelial cells of the kidney and intestine [3] Its role in the regulation of the renin– angiotensin–aldosterone system has ... Cys444-Cys590 and Cys499-Cys517) The ACE active site motif HEXXH with two zincbinding histidines (His343 and His347) was conserved in Asl-tACE and additional coordination was provided by the third zinc-binding ... vas deferens, staining is strong in the seminal fluid (sf), with weak staining also being present in the spermatozoid membranes (spz) The walls (w) of the vas deferens are not stained immunoreactivity...

Ngày tải lên: 30/03/2014, 01:20

... than in the flood season In the dry season, even small increments in the sea level will affect large areas of the VMD On the other hand, water cover in the dry season is basically restricted in the ... years The calibration process consists of adjusting the initial water level at nodes and in the plains, the Manning coefficient of segments and topographic data in rivers, canals and plains to ... settlements and infrastructures and the remainder being mangrove and melaleuca forests In 2000, rice production constituted 78% of the land use in the VMD Although 60% of the soils in the VMD are...

Ngày tải lên: 07/07/2014, 02:20

... the water status in Acer pseudoplatanus and Fraxinus excelsior trees growing in well-watered floodplains (site 1) The experiments were carried out in June 1999 and 2000, for expanded leaves in ... one in the valley of the Drac river, the other in a mountain stand in the Alps The experiments were conducted on leaf petioles (full symbols) and branches (empty symbols) These data are obtained ... remain close to its maximun value during the morning and the beginning of the afternoon, allowing a high transpiration rate (4.8 and 3.9 mmol m–2 s–1 for maple and ash trees, respectively, in...

Ngày tải lên: 08/08/2014, 14:21

... authors have been involved in drafting and revising the manuscript, have read, and approved the final manuscript Competing interests The authors declare that they have no competing interests Received: ... gender, and the smoking habit of the subject were found to have some effects on the levels of glutathione and the activities of the antioxidant enzymes Finally, the correlations existing between the ... conceived of the study, and participated in its design and coordination and helped to draft the manuscript AK contributed to the development of the protocol and study instruments All the authors...

Ngày tải lên: 11/08/2014, 15:22

... from surface waters are also monitored In this chapter, drinking water sources and the situation of drinking water supply in the Delta is presented Water using practice for drinking and selected ... by the flood water and rebuilt after each flood season Paddy rice is grown in all of the fields during the two cropping seasons, and these fields are fallow during flooding periods In the winter ... USA and the remaining in other countries (Abhilash and Singh, 2009) In developing countries, the share of agrochemical use was highest for insecticides followed by fungicides, herbicides and then...

Ngày tải lên: 26/11/2014, 14:31

... find the situation of teaching and learning speaking skills, in general and teaching and learning speaking skills in the textbook NH Pre in particular From the result of the investigation, the ... asked the teachers about their opinions about the contents of the topics, the activities and the time of the lessons in the class The ratings collected in the table point out that none of the teachers ... speaking topics In terms of the students’ opinion about the speaking activities, 11% of the students said that they were very interesting and suitable with their levels and they were interesting...

Ngày tải lên: 19/12/2015, 12:50

... difficulties in the classroom setting, the research was aimed at finding out: (1) the students’ assessment of the importance of oral presentation skills in their future work, (2) the problems they might ... giving presentations, and (3) factors causing their difficulties and their suggested solutions Specifically, the study has been conducted in the form of survey research, with the informants of the ... Besides, the data from the study confirm the fact that the infrequent and inadequate feedback and assessment from teacher(s) and the institution’s lack of conductive facilities also contributed to these...

Ngày tải lên: 07/09/2013, 13:02

... language teaching in particular are not the changes in the way we teach These are the changes in the aims of language teaching and learning In Viet Nam, The Ministry of Education and Training has recently ... Combine speaking with listening and reading • Incorporate the teaching of speech acts in teaching speaking Teaching speaking aims to teach the learners how to organize their thoughts in a meaningful ... four Findings and Discussion- deal with the findings drawn out from the analysis of data The findings and discussion are based on describing English speaking classes in using group work activities...

Ngày tải lên: 18/12/2013, 10:08

... teachers think writing tasks in the textbook are very interesting, 40% finds them interesting and only 10% sees them quite interesting and 30% is not interested in writing tasks in the textbook ... their attitudes about writing tasks in the textbook and using the communicative activities in English writing lessons, how interesting and how effective they are In addition, we need to get the ... During the writing process, students engage in pre-writing, planning, drafting, and post-writing activities However, as the writing process is recursive in nature, they not necessary engage in these...

Ngày tải lên: 19/12/2013, 09:50

... the tail down 27 Now spead the wings outwards with a curl at the outer tips and it is finished 28 The theory being that the dragon is either taking off or landing in the water Please beleive me ... of the head, as you pull out the layers and bring them down The head will not lie flat 22 The effect should be something like this, then valley fold the tip of the nose over twice to finish the ... head 23 Crimp the legs in to make the feet Pleat fold the wings on both sides Fold the entire back of the body inwards to thin the tail 24 Reverse fold the tail up 25 Reverse fold the tail down...

Ngày tải lên: 17/01/2014, 04:20

... formula, in which P stands for the main point; R stands for the reason for the speech; E stands for the example to illustrate the main point and P stands for restating the main point Secondly, the ... summarize, in closing The conclusion reinforces and summaries the information presented in the body So, a clear summary of the purpose and main points will help the audience get the big picture and increase ... developing the main body of the presentation; reinforcing the ideas outlined in the main body and presenting the conclusion In second language classrooms, oral presentations are usually in the form...

Ngày tải lên: 29/01/2014, 10:43

... friend; whether they feel alone; and whether they know most of their neighbors In the MCS, mothers report whether their friends live locally; whether they are friendly with their neighbors; and the ... breastfeeding initiation (yes/no) and smoking during pregnancy (yes/no) Prenatal drinking is a trichotomous indicator in the FFS (never, sometimes, often), and a 5-point scale in the MCS, ranging from ... life The main caregiver (in most instances the mother) was interviewed again when the cohort child was age years, years and years (age data are not yet available) These interviews and the baseline...

Ngày tải lên: 12/02/2014, 12:20

... hydrophobic core (M88V) and the other in the protein–RNA interaction (T45S), decrease the stability of the capsid Our findings illuminate the role of packing in the icosahedral lattice of the virus capsid ... with valine (C and D), the cavity volume increased to 43 A3, reflecting a reduction in the surface area of the residue (% 59 A2) and in the interactions occurring there (corresponding to the b-sheet) ... middle of the central b-strand of the coat protein dimer and its side-chain projects into the protein’s interior (Figs 1B and 8) The two Met88 residues are in close proximity to one another at the...

Ngày tải lên: 19/02/2014, 12:20

... to these interfaces is located in the PYR and middle domains The interface contains 10 hydrogen bonds in IPDC The dimer–dimer interface in IPDC is smaller than the corresponding interface in ... for binding and proper orientation of the aminopyrimidine ring, are conserved in all ThDP-dependent enzymes One of these, the hydrogen bond between the N1¢ atom of the pyrimidine ring of ThDP and ... side chain Furthermore, there are significant structural differences between ZmPDC and IPDC on the one hand, and ScPDC on the other hand involving the C-terminal part of the polypeptide chain (Fig...

Ngày tải lên: 20/02/2014, 11:20