treatment of environmental samples

... availability and low cost of oxygen Two types of polyphenol oxidases have been used for the treatment of aqueous phenols, namely, tyrosinase and laccase Because of the availability of tyrosinase (EC ... source of the enzyme and other environmental factors [46] The use of laccase for the treatment of a ‘‘flushing liquor’’ from a coke plant (pH 8.6, 400 mg/L phenols) resulted in 94% conversion of phenols ... presence of laccase led to a reduction of over 90% in the amount of phenolic compounds in debarking wastewater [52] This included the removal of 75% to 99% of chlorophenols, depending on the group of...

Ngày tải lên: 11/08/2014, 13:21

... practical way to generate an unbiased picture of variation within a large number of samples at functionally important regions of the genome By assessing all of the variants within the targeted region, ... of chromosomes Figure The influence of sample size in detecting recent population expansions (a) Demographic model used in the simulations Times of demographic events (in units of thousands of ... sample sizes of 50 and 2,000 chromosomes (c) Average value of Tajima’s D based on 104 simulation replicates as a function of sample size (number of chromosomes) The lines denote values of Tajima’s...

Ngày tải lên: 09/08/2014, 23:20

... to the maintenance of the enzyme’s tertiary structure Molecular basis of the deficiency of human mutant a-Gal A enzymes Fig Structure of the a-Gal A monomer (A) and location of Fabry disease mutations ... targeted ERAD Inhibition of ER a-mannosidase I often delays the degradation of glycoproteins in the ERAD in favor of protein refolding When kifunensine, a selective inhibitor of the ER a-mannosidase ... proofof-concept, and allow the pharmacokinetics of DGJ to be studied Oral administration of DGJ to transgenic mice led a dose-dependent increase in a-Gal A activity 4968 in the major tissues of...

Ngày tải lên: 30/03/2014, 03:20

... thesis of Daniel Thomas Welna was reviewed and approved* by the following: Harry R Allcock Evan Pugh Professor of Chemistry Thesis Advisor Chair of Committee Karl T Mueller Associate Professor of ... Lecturer in Chemistry James P Runt Professor of Polymer Science Associate Head for Graduate Studies Ayusman Sen Professor of Chemistry Head of the Department of Chemistry *Signatures are on file ... addition, non-woven nanofiberous mats of a pre-ceramic polymer were examined for high-strength and temperature material applications Chapter of this thesis describes the synthesis of novel polyphosphazene...

Ngày tải lên: 13/11/2014, 11:13

... average size of 4.73 àm (Figure 14), yield of 68.9%, %EE of 88.7%, %LC of 2% w/w and Carrs index of 28.3 These microspheres released over 90% of its payload PT within 60 in the presence of simulated ... amount NU of 500 mg This allowed the optimization of the conditions for the preparation of microspheres with high yield Drug-loaded microspheres presented free flowing with MA angle of repose of 24 ... coefficient of the substance, S is the surface area of RI the solid, V is the total volume of the medium, h is the thickness of the diffusion layer SC and CS is the saturation solubility of the substance...

Ngày tải lên: 02/09/2015, 13:31

... Pex, Pin and Din (a) Both the ports of Pex and Pin are away from port of Din (b) The port of Pex is away from Din while Pin is near the port of Din (c) The port of Pex is further located away from ... composed of these three layers is often used to evaluate the performance of an implantable antenna Also one layer model of skin or muscle is also frequently adopted From our experience, the size of ... model is composed of many delicate tissue voxels, the simulation of which would be quite time-consuming even for workstations Therefore for the saving of simulation time, often part of the human body...

Ngày tải lên: 10/09/2015, 09:12

... with the noise characterization of 65nm RF n-MOSFETs, modeling of the impact of metal dummy fills on the microwave behavior of spiral inductors, and the design of line resonators and filters at ... (a) Layout of an “open” standard (b) The parasitic model of the DUT test-structure in a pad de-embedding method 2.5 17 18 (a) Layout of the DUT test-structure (b) Layout of a “thru” ... Magnitude of the characteristic impedance |Z0 | for a TFMS-M6 line with W =12 µm, L=670 µm 5.9 95 Comparison of simulated and measured Qu of TFMS-M6 lines 95 xv 5.10 Comparison of measured...

Ngày tải lên: 12/09/2015, 09:42

... without financal worry in Singapore I TABLE OF CONTENTS ACKNOWLEDGEMENTS TABLE OF CONTENTS SUMMARY I II VIII LIST OF TABLES X LIST OF FIGURES XI LIST OF SYMBOLS XIII CHAPTER I INTRODUCTION 1.1 ... of Nogo-B and Systematic Dissection of the Am-Nogo-A 92 3.3.1 Bioinformatics analysis 93 3.3.2 CD and NMR characterization of N- and C-termini of Nogo-B 97 3.3.3 CD and NMR characterization of ... II alignment of human RTNs 169 Appendix III Publications 173 VII SUMMARY Nogo-A, the largest isoform of RTN4/Nogo, was originally identified as an inhibitor of neurite outgrowth of the central...

Ngày tải lên: 14/09/2015, 12:53

... professional skills, capable of working at the typical position of trade expected by society in keeping with each period of socio-economic development The objective of professional training of ... to the increased education of the labor force Schultz’s (1963) method of measuring the contribution of education to economic growth (that is, in terms of the rate of return to human capital, ... improve the lives of individuals, their families and society as a whole The attainment of this objective requires the improvement of the educational and professional level of human resources,...

Ngày tải lên: 13/04/2013, 10:31

... 2) Operation’s speed of machines equipment: The clear reason of low profitability is low efficiency of equipment (adjusted lower than 20 per cent) It is because of the lack of jobs as well as equipment ... objectives of an enterprises, and the adoption of courses of action and the allocation of resources necessary for carrying out these goals” (Chandler,1989) There is also the another definition of strategy ... the beginning of 1990 Although the numbers have dropped, state enterprises are still the main engine of the company, accounting for nearly 90% of total funds of all enterprises, 85% of the fixed...

Ngày tải lên: 13/04/2013, 10:32

... enzyme -D fructofuranosidase chế phẩm pectinex Ultra SP-L v h m lợng đờng saccharose dịch mía Để có định hớng sử dụng chế phẩm enzyme pectinex-Ultra SP-L, hoạt tính enzyme -D frutofuranosidase ... phần đờng dịch mía Mỗi đợt tiến h nh kiểm tra mẫu để lấy kết trung bình Hoạt tính enzyme -D Fructofuranosidase đợc xác định theo phơng pháp Seikagaku đề xuất (tham khảo t i liệu Whitaker &cs, 2004), ... Mạch) l chế phẩm dạng lỏng, m u nâu đen, đặc sánh, có mùi thơm đặc trng, có chứa enzyme -DFructofuranosidase đợc sản xuất từ chủng aspergillus niger 2.2 Phơng pháp Tiến h nh đợt lấy mẫu mía giai...

Ngày tải lên: 29/08/2013, 08:16

... using actively or just be aware of it for a better understanding of the target culture? 15 What is your overall view of the textbook? Such kind of checklists is often recognized as more or less ... much richer understanding of culture than heretofore envisaged by the majority of language teachers 2.2 Common approaches to the teaching of culture In the history of culture teaching different ... account of the references to different cultural categories in the textbook The two checklists focus on the kind of cultural content as well as an account of the amount 27 (i.e how often) of presentation...

Ngày tải lên: 07/09/2013, 12:58

... may be the only source of living of then To conclude I would like to express my opinion which rather possitive I think that supermarkets are great creatures and the more of them the better It ... packing and displays versuade people to buy things they not actually need For many of us the major disadvantage of shopping in supermarkets id that it is time consuming and it takes a while to ... new one or your money back Not to forget about sales and special offers such as "buy one get one free" or "two for the pirce of one" are always found there One the other hand shopping in supermarkets...

Ngày tải lên: 23/10/2013, 02:15

Ngày tải lên: 01/11/2013, 14:49

... and cold storage of rotifers 3.7 Production and use of resting eggs 3.8 Literature of interest 3.9 Worksheets Worksheet 3.1 Preparation of an indicator solution for determination of residual chlorine ... characteristics 4.1.3 Literature of interest 4.2 Use of cysts 4.2.1 Cyst biology 4.2.1.1 Cyst morphology 4.2.1.2 Physiology of the hatching process 4.2.1.3 Effect of environmental conditions on cyst ... Literature of interest CLADOCERANS, NEMATODES AND TROCHOPHORA LARVAE 6.1 Daphnia and Moina 6.1.1 Biology and life cycle of Daphnia 6.1.2 Nutritional value of Daphnia 6.1.3 Feeding and nutrition of Daphnia...

Ngày tải lên: 15/12/2013, 00:15

... supply (e.g at a rate of 1% of the volume of air) CO2 addition furthermore buffers the water against pH changes as a result of the CO2/HCO3- balance Depending on the scale of the culture system, ... successfully in rectangular outdoor concrete ponds of 10-40 tons of water volume and a water depth of 1.5-2 m 2.3.7 Culture of sessile micro-algae Farmers of abalone (Haliotis sp.) have developed special ... slime off the surface of rocks using their radulae In culture operations, sessile micro-algae are grown on plates of corrugated roofing plastic, which serve as a substrate for the settlement of...

Ngày tải lên: 15/12/2013, 00:15

... treatment (Lộger et al., 1989) The level of total lipids is approximately 18% Since the use of CSđ allows direct enrichment of the rotifers without the need of a cumbersome bioencapsulation treatment, ... generations of offspring before they eventually die The reproduction activity of Brachionus depends on the temperature of the environment as illustrated in Table 3.1 The life cycle of Brachionus ... incorporation of high levels of EFA and vitamins in the rotifers The biochemical composition of the artificial diet Culture Selcođ consists of 45% proteins, 30% carbohydrates, 15% lipids (33% of which...

Ngày tải lên: 15/12/2013, 00:15

... screening of candidate strains and of eventual local populations, as well as the study of prevailing environmental conditions Uncontrolled introduction of Artemia may thus lead to a decrease of natural ... developed for oral delivery of vitamins, chemotherapeutics and vaccines Furthermore, a better knowledge of the biology of Artemia was at the origin of the development of other Artemia products, ... of their biometrical characteristics In spite of small variations between batches of the same strain, possibly caused by environmental and/or processing factors, generally the cyst diameter of...

Ngày tải lên: 15/12/2013, 00:15

... replicate samples Table 4.2.6 Practical example of the procedure for estmating the water content of Artemia cysts Sample Weight of Weight of cup + cyst cup sample (in g) (=Ti) (in g) (= Gi) Weight of ... function of the tank size and the density of cysts incubated Excessive foaming can be reduced by disinfection of the cysts prior to hatching incubation and/or by the addition of a few drops of a ... the culture of carp larvae during the first two weeks, the use of decapsulated cysts constitutes a saving of over one third in the amount of Artemia cysts used, compared to the use of live nauplii...

Ngày tải lên: 15/12/2013, 00:15

... although often the effects of diet composition only become apparent in later stages (Fig 4.3.13) A good illustration of this is the resistance to salinity stress in PL-10 stages of a batch of Penaeus ... digestive tract of the predator larvae This has become an important question in view of the relatively low levels of digestive enzymes in many first-feeding larvae and the inferiority of prepared ... world for enhancing the nutritional value of Artemia with essential fatty acids Figure 4.3.7 Schematic diagram of the use of Artemia as vector for transfer of specific components into the cultured...

Ngày tải lên: 15/12/2013, 00:15