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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: Carbohydrates - Biotechnology - Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (385 pages)
    Edition: 1st ed.
    ISBN: 9780080528519
    Series Statement: Issn Series ; v.Volume 10
    Language: English
    Note: Cover -- Carbohydrate Bioengineering: Proceedings of an International Conference Elsinore, Denmark, -- Copyright -- Preface -- Table of Contents -- Chapter 1: Glycans of glycoconjugates as modulatory and recognition molecules -- 1. INTRODUCTION -- 2. METHODOLOGY -- 3. MODULATION OF PHYSICOCHEMICAL PROPERTIES -- 4. MODULATION OF BIOLOGICAL ACTIVITY -- 5. ACTIVITIES OF FREE OLIGOSACCHARIDES -- 6. CARBOHYDRATES AS RECOGNITION DETERMINANTS -- 7. OPEN QUESTIONS -- 8. ACKNOWLEDGEMENT -- 9. REFERENCES -- Chapter 2: NMR studies of the structure and dynamics of carbohydrates in aqueous solution -- 1. INTRODUCTION -- 2. HYDROGEN BONDING -- 3. HETERONUCLEAR LONG-RANGE COUPLINGS MEASURED BY A TWO-DIMENSIONAL H.S.M.B.C. EXPERIMENT -- 4. DYNAMICS OF MEMBRANE-BOUND CARBOHYDRATES -- 5. CONCLUSIONS -- 6. ACKNOWLEDGMENTS -- 7. ABBREVIATIONS -- 8. REFERENCES -- Chapter 3: Linkage analysis by mass spectrometry of chemically modified oligo-saccharides from glycosphingolipids and glycoproteins -- 1. INTRODUCTION -- 2. MASS SPECTROMETRY -- 3. CHEMICAL MODIFICATIONS -- 4. GLYCOSPHINGOLIPIDS -- 5. GLYCOPROTEINS -- 6. CONCLUSION -- 7. REFERENCES -- Chapter 4: Development of a novel enzyme based glucose sensor -- 1. INTRODUCTION -- 2. EXPERIMENTAL -- 3. RESULTS AND DISCUSSION -- 4 . REFERENCES -- Chapter 5: Carbohydrate binding at the active site of Escherichia coli maltodextrin phosphorylase -- 1. INTRODUCTION -- 2. SUBSTRATE SPECIFICITY OF MALTODEXTRIN PHOSPHORYLASE -- 3. FUNCTIONAL ROLE OF ACTIVE SITE RESIDUES IN OLIGOSACCHARIDE BINDING -- 4. ACKNOWLEDGEMENT -- 5. REFERENCES -- Chapter 6: The chitinolytic system of Streptomyces olivaceoviridis -- 1. INTRODUCTION -- 2. RESULTS AND DISCUSSION -- 3. ACKNOWLEDGEMENTS -- 4. REFERENCES. , Chapter 7: Properties and production of the β-glycosidase from the thermophilic Archaeon Sulfolobus solfataricus expressed in mesophilic hosts -- 1. INTRODUCTION -- 2. HETEROLOGOUS EXPRESSION -- 3. DOWNSTREAM PROCESSING -- 4. GST-Sβgly FUSIONS: EXPRESSION AND PURIFICATION -- 5. CONCLUSIONS -- 6. ACKNOWLEDGEMENTS -- 5. REFERENCES -- Chapter 8: Contribution of subsites to catalysis and specificity in the extended binding cleft of Bacillus 1,3-1,4-β-D-glucan 4-glucanohydrolases -- 1. INTRODUCTION -- 2. RESULTS -- 3. ACKNOWLEDGEMENTS -- 4. REFERENCES -- Chapter 9: Probing of glycosidase active sites through labeling, mutagenesis and kinetic studies -- 1. INTRODUCTION -- 2. CARBOXYLIC ACIDS PLAYING A ROLE IN CATALYSIS -- 3. MODIFYING THE MECHANISM -- 4. ACKNOWLEDGEMENTS -- 5. REFERENCES -- Chapter 10: Thiooligosaccharides: toys or tools for the studies of glycanases -- 1. INTRODUCTION -- 2. SYNTHESIS OF THIOOLIGOSACCHARIDES -- 3. CONCLUSION -- 4. ACKNOWLEDGEMENTS -- 5. REFERENCES -- Chapter 11: Mutational analysis of catalytic mechanism and specificity in amylolytic enzymes -- 1. INTRODUCTION -- 2. SITE-DIRECTED MUTAGENESIS OF A. NIGER GLUCOAMYLASE -- 3. GENETIC AND CHEMICAL STUDIES OF BARLEY AMYLASE -- 5. CONCLUSION -- 6. FUTURE CHALLENGES -- 7. ACKNOWLEDGEMENTS -- 8. REFERENCES -- Chapter 12: The structure and function relationship of Schizophyllum commune xylanase A -- 1. INTRODUCTION -- 2. ENZYME ISOLATION AND PURIFICATION -- 3. PHYSICO-CHEMICAL PROPERTIES -- 4. KINETICS -- 5. STEREOCHEMISTRY -- 6. DIFFERENCE SPECTROSCOPY -- 7. CHEMICAL MODIFICATION -- 8. SEQUENCE ALIGNMENTS AND STRUCTURE PREDICTIONS -- 9. CONCLUDING REMARKS -- 10. ACKNOWLEDGEMENTS -- 11. REFERENCES -- Chapter 13: Protein engineering of cyclodextrin glycosyltransferase from Bacillus circulans strain 251 -- 1. INTRODUCTION -- 2. METHODS -- 3. RESULTS -- 4. DISCUSSION -- 5. REFERENCES. , Chapter 14: Oxidation stable amylases for detergents -- 1. INTRODUCTION -- 2. RESULTS -- 3. CONCLUSION -- 4. REFERENCES -- Chapter 15: Electrostatic studies of carbohydrate active enzymes -- 1. INTRODUCTION -- 2. BASIC CONCEPTS OF PROTEIN ELECTROSTATICS -- 3. ELECTROSTATIC PROPERTIES OF α-AMYLASES -- 4. APPLICATION TO PHOSPHOGLUCOMUTASE -- 5. CONCLUSIONS -- 6. ACKNOWLEDGEMENTS -- 7. REFERENCES -- Chapter 16: Effects of glycosylation on protein folding, stability and solubility. Studies of chemically modified or engineered plant and fungal peroxidases -- 1. INTRODUCTION -- 2. CHEMICAL DEGLYCOSYLATION OF HORSERADISH PEROXIDASE -- 3. ENGINEERED GLYCO-MUTANTS OF COPRINUS PEROXIDASE -- 4. CONCLUSIONS -- 5. ACKNOWLEDGEMENTS -- 6. REFERENCES -- Chapter 17: Modes of action of two Trichoderma reesei cellobiohydrolases -- 1. INTRODUCTION -- 2. CATALYTIC DOMAIN STRUCTURES OF T. reesei CELLOBIOHYDROLASES -- 3. THE ACTIVE SITE OF CBHII -- 4. THE CELLULOSE-BINDING DOMAIN OF CBHI -- 4. THE INTERDOMAIN LINKER PEPTIDE OF CBHI -- 5. REFERENCES -- Chapter 18: Structural studies on fungal endoglucanases from Humicola insolens -- 1. INTRODUCTION -- 2. ENDOGLUCANASE V -- 3. ENDOGLUCANASE I -- 5. REFERENCES -- Chapter 19: The catalytic domain of endoglucanase A from Clostridium cellulolyticum belonging to family 5: α/β-barrel enzyme -- 1. INTRODUCTION -- 2. THE ENDOGLUCANASE A -- 3. RELATIONSHIP TO OTHER α/β-BARREL GLYCOSYL HYDROLASES -- 4. COMPARISON WITH CELLULASE AND XYLANASE STRUCTURES -- 5. CONCLUSION -- 6. REFERENCES -- Chapter 20: Celluosome domains for novel biotechnological application -- 1. INTRODUCTION -- 2. RESULTS AND DISCUSSION -- 3. REFERENCES -- Chapter 21: Interactions of cellulases from Cellulomonas fimi with cellulose -- 1. INTRODUCTION -- 2. THE CELLULASE SYSTEM OF CELLULOMONAS FIMI -- 3. ANALYSIS OF INTERACTIONS WITH CELLULOSE. , 4. HYDROLYTIC ACTIVITIES OF THE ENZYMES -- 5. ADSORPTION OF THE CBDs TO CELLULOSE -- 6. NATURE OF THE BINDING OF CBDs TO CELLULOSE -- 7. FIBRONECTIN TYPE III (Fn3) REPEATS -- 8. CONCLUSIONS -- 9. ACKNOWLEDGEMENTS -- 10. REFERENCES -- Chapter 22: Transgenic plants as a tool to understand starch biosynthesis -- 1. INTRODUCTION -- 2. RESULTS AND DISCUSSION -- 3. REFERENCES -- Chapter 23: Targeted expression of microbial cellulases in transgenic animals -- 1. INTRODUCTION -- 2. RESULTS -- 3. CONCLUSION -- 4. ACKNOWLEDGEMENTS -- 5. REFERENCES -- Chapter 24: Mechanism and action of glucansucrases -- 1. SOURCES AND STRUCTURES OF THE GLUCANS SYNTHESIZED FROM SUCROSE BY GLUCANSUCRASES -- 2. MECHANISM OF GLUCAN SYNTHESIS -- 3. SYNTHESIS OF BRANCH LINKAGES IN LEUC. MESENTEROIDES B-512F DEXTRAN -- 4. ACCEPTORS AND THE ACCEPTOR-REACTION OF GLUCANSUCRASES -- 5. SUMMARY -- 6. REFERENCES -- Chapter 25: Studies of recombinant amylosucrase -- 1. INTRODUCTION -- 2. MATERIALS AND METHODS -- 3. RESULTS AND DISCUSSION -- 4. CONCLUSION -- 5. ACKNOWLEDGEMENTS -- 6. REFERENCES -- Chapter 26: Application of cloned monocomponent carbohydrases for modification of plant materials -- 1. INTRODUCTION -- 2. MATERIALS AND METHODS -- 3. RESULTS AND DISCUSSION -- 4. CONCLUSIONS -- 5. ACKNOWLEDGEMENTS -- 6. FOOTNOTES -- 7. REFERENCES -- Chapter 27: Fatty acid esters of ethyl glucoside, a unique class of surfactants -- 1. SYNTHESIS -- 2. APPLICATIONS -- 3. PROPERTIES -- 4. ACKNOWLEDGEMENTS -- 5. REFERENCES -- Chapter 28: A wide range of carbohydrate modifications by a single microorganism: leuconostoc mesenteroides -- 1. INTRODUCTION -- 2. DEXTRAN FERMENTATION -- 3. LEUCROSE BIOSYNTHESIS -- 4. MANNITOL FERMENTATION -- 5. ENZYMATIC SYNTHESIS OF GLUCOSE-1-PHOSPHATE -- 6. CONCLUSION -- 7. REFERENCES -- Index.
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  • 2
    Type of Medium: Book
    Pages: 19 S , Ill
    Series Statement: Tromura Nr. 10
    Language: Norwegian
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  • 3
    In: Lithos, Amsterdam [u.a.] : Elsevier Science, 1968, 112(2009), 1/2, Seite 40-56, 1872-6143
    In: volume:112
    In: year:2009
    In: number:1/2
    In: pages:40-56
    Description / Table of Contents: The Logatchev hydrothermal field (14°45'N on the MAR) is one of a few submarine hydrothermal systems associated with ultramafic rocks. It is situated on the eastern inner flank of the rift valley wall, 7 km away from the spreading axis and its formation has previously been linked to detachment faulting and core complex formation. Geological mapping during various ROV dives, geological sampling, and shallow drilling reveal a structural control of hydrothermal activity as well as its location in a debris flow consisting of heterogeneous ultramafic and mafic intrusive rocks. The mixed mafic/ultramafic host rock lithology is in agreement with published vent fluid and gas chemical data showing characteristics for interaction with mafic as well as with ultramafic rocks. Massive sulfide formation is more focused than previously thought and likely limited to a thin veneer at the seafloor. The Logatchev hydrothermal field shows a number of peculiarities that are unusual for most other hydrothermal systems. One of these are so-called ,,smoking craters, seafloor depressions that are several meters wide, characterized by an elevated crater rim made up partly of sulfide talus but also of abundant wall rock material. At these smoking craters hydrothermal venting occurs directly from holes within the craters and from small, cm to dm high, Cu-rich chimneys occurring at the crater rim. Based on geological mapping and sampling we suggest that these smoking craters are the product of processes related to the regional and local geological setting in an ultramafic-hosted, off-axis location with abundant landslides, as well as off-axis gabbroic intrusions providing the heat for the hydrothermal convection cell.
    Type of Medium: Online Resource
    Pages: Ill., graph. Darst
    ISSN: 1872-6143
    Language: English
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK; Malden, USA : Blackwell Science Inc
    Restoration ecology 12 (2004), S. 0 
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Establishment of native plant populations on disturbed roadsides was investigated at Bryce Canyon National Park (BCNP) in relation to several revegetation and seedbed preparation techniques. In 1994, the BCNP Rim Road (2,683–2,770 m elevation) was reconstructed resulting in a 23.8-ha roadside disturbance. Revegetation comparisons included the influence of fertilizer on plant establishment and development, the success of indigenous versus commercial seed, seedling response to microsites, methods of erosion control, and shrub transplant growth and survival. Plant density, cover, and biomass were measured 1, 2, and 4 years after revegetation implementation (1995–1998). Seeded native grass cover and density were the highest on plots fertilized with nitrogen and phosphorus, but by the fourth growing season, differences between fertilized and unfertilized plots were minimal. Fertilizers may facilitate more rapid establishment of seeded grasses following disturbance, increasing soil cover and soil stability on steep and unstable slopes. However the benefit of increased soil nutrients favored few of the desired species resulting in lower species richness over time compared to unfertilized sites. Elymus trachycaulus (slender wheatgrass) plants raised from indigenous seed had higher density and cover than those from a commercial seed source 2 and 4 years after sowing. Indigenous materials may exhibit slow establishment immediately following seeding, but they will likely persist during extreme climatic conditions such as cold temperatures and relatively short growing seasons. Seeded grasses established better near stones and logs than on adjacent open microsites, suggesting that a roughened seedbed created before seeding can significantly enhance plant establishment. After two growing seasons, total grass cover between various erosion-control treatments was similar indicating that a variety of erosion reduction techniques can be utilized to reduce erosion. Finally shrub transplants showed minimal differential response to fertilizers, water-absorbing gels, and soil type. Simply planting and watering transplants was sufficient for the greatest plant survival and growth.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: Primary cultures of cerebral cortical astrocytes were incubated with [U-13C]glutamate (0.5 mM) in modified Dulbecco's medium for 2 h. Perchloric acid (PCA) extracts of the cells as well as redissolved lyophilized media were subjected to NMR spectroscopy to identify 13C-labeled metabolites. NMR spectra of the PCA extracts exhibited distinct multiplets for glutamate, aspartate, glutamine, and malate. The culture medium showed peaks for a multitude of compounds released from the astrocytes, among which lactate, glutamine, alanine, and citrate were readily identifiable. For the first time incorporation of label into lactate from glutamate was clearly demonstrated by doublet formation in the C-3 position and two doublets in the C-2 position of lactate. This labeling pattern can only occur by incorporation from glutamate, because natural abundance will only produce singlets in proton-decoupled 13C spectra. Glutamine, released into the medium, was labeled uniformly to a large extent, but the C-3 position not only showed the expected apparent triplet but also a doublet due to 13C incorporation into the C-4 position of glutamine. The doublet accounted for 11% of the total label in the glutamine synthesized and released within the incubation period. The corresponding labeling pattern of [13C]glutamate in the PCA extracts showed that 19% of the glutamate contained 12C. Labeling of lactate, citrate, malate, and aspartate as well as incorporation of 12C into uniformly labeled glutamate and glutamine could only arise via the tricarboxylic acid cycle. The relative amount of glutamate metabolized via this route is at least 70% as calculated from the areas of the C-3 resonances of these compounds. Only a maximum of 30% was converted to glutamine directly.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1365-2214
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Objectives  To assess the pattern of postnatal physiological maturation in economically deprived infants by measuring the age-related changes in deep body temperature during night-time sleep.Setting  Inner city Leicester, UK.Participants  Forty-eight infants aged 6–21 weeks from economically deprived areas and 87 control infants from more affluent areas.Outcome measures  Average deep body temperature between 2 and 4 h after bedtime, overnight and early morning urinary cortisol excretion.Results  Both groups showed a decline in overnight deep body temperature with age that averaged 0.030°C per week (SE = 0.003). Over the age range studied, the average age-adjusted overnight temperature in the infants from deprived homes was 0.090°C (SE = 0.028) higher than that for the affluent group (P = 0.001). Deprived infants had on average 51% higher overnight urinary cortisol and 80% higher morning cortisol. The differences remained when the effects of room temperature, clothing, smoking, birthweight and gestational age were taken into account.Conclusion  These indicators of postnatal physiological maturation suggest that infants from economically deprived homes mature less quickly. This might increase their vulnerability to illness.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1365-2214
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Previous work has demonstrated both that there are substantial individual differences in the rate of physiological development, and that infants with risk factors for Sudden Infant Death Syndrome (SIDS) develop more slowly, suggesting that their increased vulnerability may be due to delayed neuronal development associated with compromised development in fetal or early neonatal life. This project aims to test the hypothesis that individual differences in the rate of physiological development of infants correlate with measurable differences in the rate of brain development as assessed by magnetic resonance imaging (MRI).Sixty infants were recruited to this study in three different groups that are known to have differing rates of physiological development. MRI was performed successfully in 49 cases at 6 weeks of age without sedation. Forty-one of these cases had full follow-up (15 normal; 19 IUGR; 11 ‘high risk’). Postnatal physiological development was assessed by measuring age-related deep body temperature patterns during sleep. Neuronal development was assessed by subjective analysis of MRI images and objective measurements relating to myelination using T1 and diffusion weighted (23 cases) MRI images.As expected the normal group acquired the adult temperature pattern earlier, but this was not statistically significant. All MRI scan appearances were within normal limits. Ranking cases subjectively in order of maturity revealed no significant pattern. The normal group had a significantly higher myelination score than the IUGR and ‘high risk’ groups (P = 0.001). This trend was also shown by the diffusion weighted myelination score but did not reach statistical significance. No significant differences were seen in both the subjective and objective MRI measurements and development of nocturnal temperature patterns.The results suggest there may be differences in neurodevelopment between the different groups at 6 weeks of age but these are not linked to late development of temperature patterns. It is therefore unlikely that this related to a global delay in maturation.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd.
    Child 28 (2002), S. 0 
    ISSN: 1365-2214
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Twins show differences in physiological maturity within and between twin sets; where one infant is 5-weeks later than its sibling; while one pair may both be slow but develop together. Zygosity, birth weight and sex may be contributory but not causative factors. How vulnerability to illness may be affected, is discussed.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Neuroscience 13 (1990), S. 25-42 
    ISSN: 0147-006X
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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