characterization of organic matter from air water soils and waste material by analytical pyrolysis

geochemical characterization of organic matter in victoria harbour sediments, hong kong

Ngày tải lên : 14/11/2014, 07:29

... profile of δ15N and C/N ratio ……………………………… 56 Crossplot of atomic C/N mass ratio to δ13C of plant material, for differentiating sources of organic matter (from Meyers, 1994) …… 60 Crossplot of ... Summary of elemental and bulk stable isotope measurements of carbon and nitrogen in marine sediments, sewage sludge/ effluents, particulate organic matter, and plankton-derived particulate organic ... supported and encouraged my pursuits I thank them and my sisters, Arlene and Minnie, for their love and for always being there for me My Oklahoma host families, Drs Tom and Patti Landers, and Hal and...

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Báo cáo Y học: Puriﬁcation and characterization of novel kininogens from spotted wolfﬁsh and Atlantic cod pdf

Ngày tải lên : 08/03/2014, 23:20

... N-Terminal sequencing of the kininogens was only successful from the 42-kDa band of wolfﬁsh kininogen (XLVQPGVLI…, Table 1) The major bands of both kininogens and also the 60-kDa band of cod kininogen ... present in the MALDITOF mass maps from the 60 kDa band were also present in the mass map from the 78-kDa band, suggesting that the 60-kDa band represents a fragment of the 78-kDa band Similar related ... 0.1% SDS and 1% b-octylglucoside, and U of N-glycosidase-F (Roche Biochemicals, Switzerland) were added After 48 h incubation at 37 °C, the reaction mixture was diluted with vol of water, and the...

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Tài liệu Health risks of particulate matter from long-range transboundary air pollution ppt

Ngày tải lên : 17/02/2014, 11:20

... assessment of local and regional particulate air pollutants in Scandinavia Ambio, 2005, 34:11–19 Methods of measuring air pollution Report of the working group on methods of measuring air pollution and ... whereas most of the particle volume (and therefore most of the mass) is found in particles >0.1 μm (2) Airborne PM represents a complex mixture of organic and inorganic substances Mass and composition ... secondary inorganic ions (nitrates, sulfates and ammonia), carbonaceous material (both organic and elemental carbon), water, crustal materials and heavy metals The size distribution of the main...

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the role of organic matter quality and mineral surfaces for the sorption of chlorpyrifos and diazinon on soils, sediments, and suspended estuary sediment

Ngày tải lên : 14/11/2014, 06:28

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Kinetics of natural organic matter as the initiator, promoter and inhibitor in water ozonation and its influences on the removal of ibuprofen

Ngày tải lên : 09/09/2015, 10:08

... INFLUENCES OF NOM ON THE REMOVAL OF IBUPROFEN DURING WATER OZONATION 74 5.1 Modeling the influences of NOM on the degradation of ibuprofen by ozonation 74 5.2 Application of the model ... three NOM isolates and a natural water c The influences of NOM on the degradation of ibuprofen, were determined and modeled 1.7 Significance of the study The degradation of organic contaminants ... solution was prepared by dissolving 10 mg of ibuprofen in 200 mL of ultrapure water Similar to pCBA, the ibuprofen solution was boiled for 45 2.3 Natural water Water collected from a local reservoir...

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Tài liệu Báo cáo khoa học: The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data and redox properties ppt

Ngày tải lên : 21/02/2014, 00:20

... intense band of 61 kDa (NrfA) and a band of weak intensity of 19 kDa (NrfH), conﬁrming its hetero-oligomeric nature (Fig 1, lane 1) However, in the absence of boiling (Fig 1A, lanes and 4) high ... and 4) high molecular mass bands of approximately 110 kDa and > 200 kDa were visible, as well as a faint band at 37 kDa, suggesting the presence of dimers All of the bands stained positively for ... coefﬁcient of e550nm (red) ¼ 29.1 mMÆcm)1 [31], and by iron content as given by plasma emission spectroscopy, using an inductively coupled plasma (ICP) source (Jobin Yvin-Horiba); the standards were from...

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Báo cáo khoa học: Biochemical characterization of annexin B1 from Cysticercus cellulosae pdf

Ngày tải lên : 07/03/2014, 12:20

... regulation of actin ﬁlament bundling by lipocortin85 J Biol Chem 265, 3392–3400 Ma ASP, Bystol ME & Tranvan A (1994) In vitro modulation of ﬁlament bundling in F-actin and keratins by annexin II and ... step and found that not all of the protein could be released from the resin The amount of irreversibly bound protein increases with higher calcium concentrations and reaches between 10 and 20% ... in the presence of calcium were carried out with the addition of mm CaCl2 in the buffer For investi- Biochemical characterization of annexin B1 gation of the thermal denaturation of annexin B1,...

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Báo cáo khóa học: Biochemical and molecular characterization of a laccase from the edible straw mushroom, Volvariella volvacea docx

Ngày tải lên : 07/03/2014, 15:20

... in 450 mL of distilled water After draining off any remaining free water, the straw was mixed with lime (15 g) and wheat bran (15 g) and the material distributed into cellophane bags and autoclaved ... and 2,6-DMP were pH 5.6 and 3.4 UÆmg protein)1 and pH 4.6 and 2.8 UÆmg protein)1, respectively In standard assay mixtures, the velocity of ABTS oxidation was maximal at 45 °C The dependence of ... culture supernatants was determined by the method of Bradford [21] with bovine serum albumin as standard, and in column efﬂuents by measuring A280 Puriﬁcation of lac1 The following procedures were...

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Báo cáo khoa học: Characterization of isocitrate dehydrogenase from the green sulfur bacterium Chlorobium limicola A carbon dioxide-ﬁxing enzyme in the reductive tricarboxylic acid cycle ppt

Ngày tải lên : 08/03/2014, 10:20

... vicinity of the gene The deduced amino-acid sequence of Cl-IDH was 66.0% and 57.4% identical to monomeric IDHs from Vibrio sp strain ABE-1 (IDH-II) and from Cr glutamicum, respectively K253 in IDH from ... were designed from conserved regions among known monomeric IDHs (See Materials and methods), and PCR with the primers and genomic DNA from strain M1 gave successful ampliﬁcation of a 1-kbp DNA ... cells of C thiosulfatophilum grown in a medium containing 3H2O, the radioactivity of oxaloacetate was 3.6-fold greater than that of malate and 21-fold greater than that of the sum of citrate and...

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Báo cáo khoa học: Characterization of SCP-2 from Euphorbia lagascae reveals that a single Leu/Met exchange enhances sterol transfer activity pdf

Ngày tải lên : 16/03/2014, 12:20

... the first one is formed by residues on helices A, C and E, and the second one is formed by residues on helices D and E and b-strand V (Fig 5A) The polar residues 5646 Ser120 and Glu22 are located ... SCPElNE and SCPElCN amplify a 384bp fragment from E lagascae SCP-2, and a 290-bp fragment is amplified from EF1-a, using ELEFF and ELEFR Analysis of the PCR products revealed that a PCR product from ... C-termini of E lagascae SCP-2 and A thaliana SCP-2 are important for ligand binding The fold of the E lagascae and A thaliana Tr-SCP2 models is a five-stranded (I–V) b-sheet covered on one side by five...

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Báo cáo khóa học: Characterization of presenilin complexes from mouse and human brain using Blue Native gel electrophoresis reveals high expression in embryonic brain and minimal change in complex mobility with pathogenic presenilin mutations pptx

Ngày tải lên : 16/03/2014, 16:20

... identified by affinity purification of PS1 complex using digitonin-solubilization of membranes from human embryonic kidney cells [9], and two further membrane proteins PEN-2 and APH-1, identified by genetic ... detection of a 10-kDa band in PS1+/ +neural stem cells, embryonic brain, and SY5Y cells; lower levels were detected in PS1–/– cells, and in adult brain from mouse and human (Fig 4A) Down-regulation of ... full-length PS1, NTF, CTF and PEN-2 NCT was detected as the mature form APH-1b was detected primarily as a major band of 36 kDa (possible dimer) and as minor bands of 18 kDa and possible trimer at...

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DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf

Ngày tải lên : 22/03/2014, 14:20

... µg/L for most analytes SUMMARY OF METHOD Organic compound analytes, internal standards, and surrogates are extracted from a water sample by passing L of sample water through a cartridge or disk ... protect the air, water, and land by minimizing and controlling all releases from fume hoods and bench operations Compliance 525.2-31 is also required with any sewage discharge permits and regulations ... use of very small volumes of organic solvent and very small quantities of pure analytes, thereby eliminating the potential hazards to both the analyst and the environment involved with the use of...

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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx

Ngày tải lên : 22/03/2014, 14:20

... properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices Also, SPARC has been used ... hydrolysis rate constant in water and in non-aqueous solution 3.1 Estimation of Ionization pKa in Water 3.1.1 Introduction A knowledge of the acid-base ionization properties of organic molecules is ... (Independent of the property, C and S), and reaction center susceptibility, which rates the response of C to the effect in question (depends on the property, independent of S and R) The contributions of...

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Báo cáo khoa học: Characterization of thermostable aminoacylase from hyperthermophilic archaeon Pyrococcus horikoshii pot

Ngày tải lên : 23/03/2014, 07:20

... carboxypeptidases from Sulfolobus solfataricus and P horikoshii, amidohydrolase from Bacillus subtilis and indole-3-acetic acid hydrolase from A thaliana Identical residues are indicated by asterisks, and ... thermostability of PhoACY at 75, 85 and 90 °C for the indicated time periods at pH 7.5 From the slopes of the lines, the half-lives of the enzyme were estimated to be 217, 119 and 72 at 75, 85 and 90 ... ), 85 ( ) and 90 °C (d) in the absence of Zn2+ and 90 °C in the presence of 0.1 mM Zn2+ (s) AcMet was high (Km = 24.6 mm) compared with that of PhoCP ⁄ ACY, and the turnover number of PhoACY...

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Báo cáo khoa học: Characterization of recombinant prolidase from Lactococcus lactis – changes in substrate speciﬁcity by metal cations, and allosteric behavior of the peptidase pdf

Ngày tải lên : 30/03/2014, 04:20

... were collected, and RNA was removed by RNase (Fermentas) treatment Genomic DNA was purified by ethanol precipitation from the reaction mixture Isolation and cloning of the gene A pair of primers (5¢-GGAGAATTCATGAGCAAAA ... single prolidase band, as evidenced by SDS–PAGE (lane E) A 900 mL culture yielded 18.2 mg of purified prolidase, with a purification factor of 11.8 and 89% recovery of activity from the crude extracts ... presence of manganese Moreover, the preference for dipeptide changed from Leu-Pro to Arg-Pro in the presence of manganese A comparison of the crystal structure of P furiosus prolidase and the...

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Báo cáo Y học: Characterization of the lectin from females of Phlebotomus duboscqi sand ﬂies doc

Ngày tải lên : 31/03/2014, 08:20

... Ó FEBS 2002 Characterization of lectin from sand fly females (Eur J Biochem 269) 6295 MATERIALS AND METHODS Sand flies A colony of P duboscqi (Senegal strain, obtained from R Killick-Kendrick, ... (Q95WD9) and PpSP44 (Q95WD8) and a similar Yellow protein from salivary glands of another sand fly Lutzomyia longipalpis showed motifs of the major royal jelly proteins of honeybee (Apis mellifera) and ... competence of P papatasi and P sergenti is explained by the presence of specific LPG-binding receptors on midgut epithelium [32] Midgut lectin of P papatasi binds LPG of L major [13], and part of the...

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Báo cáo khoa học " Structural characterization of immunostimulating polysaccharide from cultured mycelia of Cordyceps militaris " doc

Ngày tải lên : 28/06/2014, 11:20

... by addition of sodium bicarbonate The organic layer was separated with a syringe and products were isolated and acetylated Glycosidic linkage was analyzed by GC–MS on a Micromass apparatus (Waters ... column and a temperature program of 120–180 °C at °C/min and 180–250 °C at °C/min) Mass spectra were obtained at an ion energy of 70 eV, a current intensity of 500 lA and temperature of 250 °C ... indicated by the disappearance of the band at 3400 cmÀ1 Fig Immunostimulating effects of polysaccharide, CPMN Fr III, puriﬁed by DEAE cellulose and Sepharose CL-6B chromatography (A) Effect of puriﬁed...

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USES OF ORGANIC MATTER AND USES OF INORGANIC MATTER potx

Ngày tải lên : 29/06/2014, 15:20

... produced by the breathing of animals and by the decomposition of various kinds of organic matter, which are exposed to atmospheric influences These gases are chiefly ammonia and carbonic acid, both of ... consists of nitrogen and oxygen), and alkaline substances Thus nitrate of potash (saltpetre), is composed of nitric acid and potash: nitrate of soda (cubical nitre), of nitric acid and soda USES OF ... nearly the whole of the dry weight of the clover, aside from the constituents of water; and, when we calculate the immense quantity of hay, and roots grown on[Pg 78] an acre of soil in a single...

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USES OF ORGANIC MATTER ppt

Ngày tải lên : 29/06/2014, 15:20

... produced by the breathing of animals and by the decomposition of various kinds of organic matter, which are exposed to atmospheric influences These gases are chiefly ammonia and carbonic acid, both of ... what way? This is one of the great offices of plowing and hoeing; the lumps of soil being thereby more broken up and exposed to the action of atmospheric influences, which are often necessary to ... pure beach sand, and mix with the sand in one barrel a few handfuls of charcoal dust, leaving that in the other pure Pour the brown liquor of the barn-yard through the pure sand, and it will...

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Báo cáo khoa học: " Isolation and characterization of Streptococcus sp.from diseased flounder (Paralichthys olivaceus )in Jeju Island" ppt

Ngày tải lên : 07/08/2014, 18:21

... fo esahp suoeuqa reppu eht no detcelloc saw AND lairetcaB nim rof 000,6 ta degufirtnec dna nim rof sllec lairetcab gniliob yb detcartxe neht saw AND lairetcab ;retaw dellitsid elbuod dezilirets ... 817( rof evitisop ,9~4 senal ;)pb 001,1( rof evitisop ,3 dna senal ;noitcefni laccocotperts rof evitagen ,1 enal ;lortnoc evitagen ,N enal ;)pb 003 ,M4040 ( lortnoc evitisop ,P senal ;reddal AND ... enilav ,esapil rof snoitcaer evitagen dah setalosi llA nispyrtomyhc -α dna esatahpsohp enilakla rof snoitcaer evitisop dah fo setalosi 81 dna esadinimasoculg-β-lyteca -N dna esaretse rof snoitcaer...

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