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[null,"1.","Record Nr.",null,"UNINA9910961838503321"]
[null,null,"Titolo",null,"Ammonia : structure, biosynthesis and functions / / Victoria A. Fekete and Réka L. Molnár, editors"]
[null,null,"Pubbl/distr/stampa",null,"Hauppauge, N.Y., : Nova Science Publishers, c2012"]
[null,null,"ISBN",null,"1-62100-570-4"]
[null,null,"Edizione",null,"[1st ed.]"]
[null,null,"Descrizione fisica",null,"1 online resource (149 p.)"]
[null,null,"Collana",null,"Chemical engineering methods and technology"]
[{"$nulls":4},"Biochemistry research trends"]
[null,null,"Disciplina",null,"546/.7112"]
[null,null,"Soggetti",null,"Ammonia"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"Intro -- AMMONIA -- AMMONIA -- CONTENTS -- PREFACE -- ENERGY METABOLISM IN  ACUTE AMMONIA INTOXICATION -- ABBREVIATIONS -- ABSTRACT -- I. INTRODUCTION -- II. AMMONIA METABOLISM DISTURBANCE  AND HYPERAMMONEMIA -- III. AMMONIA TOXICITY -- IV. BIOCHEMICAL CHANGES IN ACUTE AMMONIA INTOXICATION: SEQUENCE OF METABOLIC EVENTS -- V. BRAIN ENERGY METABOLISM IN  ACUTE AMMONIA INTOXICATION -- VI. MITOCHONDRIAL ENERGY METABOLISM -- VI.1. In Vitro and Ex Vivo Effects of  Ammonia on Oxidative Phosphorylation -- VI.2. Ex Vivo Effects of Ammonia on Malate-Aspartate Shuttle -- VI.3. Ex Vivo Effects of Ammonia on  Mitochondrial Enzymes of Malate-Aspartate Shuttle -- VI.4. Ex Vivo Effects of Ammonia on  Mitochondrial Metabolites of Malate-Aspartate Shuttle -- VI.5. Effects of Ammonia on Mitochondrial  Membrane Potential In Vivo -- VI.6. Calcium Transport Across Rat  Brain Mitochondrial Membrane -- VI.6.1. Endogenous Calcium in Mitochondria -- VI.6.2. Calcium Uptake by Mitochondria -- VI.6.3. Mitochondrial Calcium Capacity and  Calcium Efflux from Mitochondria -- VI.6.4. t-Butyl Hydroperoxide-Induced  Calcium Efflux from Mitochondria -- VI.6.5. Comparison of Ammonia Effects In Vivo  and In Vitro on Calcium Fluxes in Mitochondria -- VII. BRAIN LACTATE ACCUMULATION EX VIVO -- VIII. RELATIONSHIP OF ACUTE  HYPERAMMONEMIA AND OXIDATIVE STRESS -- VIII.1. Ex Vivo Effects of Ammonia on Superoxide and Hydrogen Peroxide Production -- VIII.2. Effects of Ammonia on Pro- and  Antioxidant Enzyme Activities -- VIII.3. A Summary of Ex Vivo Effects of  Ammonia on Brain Mitochondria -- IX. MARKERS OF NEURONAL APOPTOSIS -- IX.1. Efflux of Cytochrome C "]
[{"$nulls":4},"into Cytoplasm -- IX.2. Caspases in Mitochondria, Cytoplasm and Nuclei -- IX.3. Apoptotic Alterations in Cell Nuclei -- IX.3.1. DNA Fragmentation -- IX.3.2. Poly(ADP-Ribose) Polymerase Levels and Changes -- IX.3.3. Nuclear NAD Levels."]
[{"$nulls":4},"IX.3.4. Nuclear NAD Synthetase and NAD Glycohydrolase Activities -- IX.3.5. P53 Dynamics -- X. BIOCHEMICAL PROCESSES IN THE CYTOPLASM -- X.1. Cytosolic Pro-Oxidant Enzymes -- X.2. Role of Nitric Oxide in Changes of  Activity of Antioxidant Enzymes -- XI. ALTERATIONS IN THE PLASMA MEMBRANE -- XI.1. Brain ATPase in Acute Ammonia Intoxication -- XI.2. Roles of NMDA Receptors in Acute Ammonia Toxicity -- CONCLUSION -- REFERENCES -- DEVELOPMENT OF DISTRIBUTED FIBER OPTIC SENSOR OF AMMONIA GAS -- ABSTRACT -- I. INTRODUCTION -- II. MAIN APPLICATION AREAS OF AMMONIA SENSORS -- II.1. Environmental Ammonia Sensors -- II.2. Automotive Ammonia Sensors -- II.3. Industrial Ammonia Sensors -- II.4. Medical Ammonia Sensors -- III. PRINCIPLES OF AMMONIA SENSORS -- III.1. Metal Oxide Sensors -- III.2. Catalytic Sensors -- III.3. Conductive Polymer Sensors -- III.4. Sensors with Nano-Sized Structures -- III.5. Extrinsic Optical Sensors -- III.6. Intrinsic Optical Sensors -- III.7. Distributed Sensing Systems -- IV. DISTRIBUTED FIBER OPTIC SENSOR OF AMMONIA WITH OTDR READOUT -- V. SIMULATED RESULTS AND THEIR COMPARISON WITH EXPERIMENTAL DATA -- CONCLUSION -- ACKNOWLEDGEMENTS -- REFERENCES -- SPECIFIC INHIBITION BY AMINES AND AMMONIUM ION OF INITIATION AND ACTIVATION OF RIBOSOMAL RNA (RRNA) GENE EXPRESSION AT AND AFTER MIDBLASTULA TRANSITION (MBT) IN XENOPUS EMBRYOGENESIS -- ABSTRACT -- 1. CHARACTERISTIC FEATURES OF XENOPUS EMBRYOS AS AN EXPERIMENTAL SYSTEM -- 2. DISSOCIATED XENOPUS EMBRYONIC CELLS AS A NEW EXPERIMENTAL SYSTEM SUITABLE FOR STUDYING RRNA GENE EXPRESSION -- 3. A UNIQUE DEVELOPMENTAL REGULATION OF RRNA GENE EXPRESSION BEFORE AND AFTER MIDBLASTULA STAGE, OR THE STAGE OF MBT -- 4. TIMING OF THE INITIATION OF MRNA CAP METHYLATION IS NOT THE BLASTULA STAGE BUT THE CLEAVAGE STAGE IN XENOPUS EMBRYOGENESIS."]
[{"$nulls":4},"5. ATTEMPTS TO FIND OUT A FACTOR THAT  CONTROLS RRNA GENE EXPRESSION IN XENOPUS EMBRYONIC DEVELOPMENT -- 6. WEAK BASES (AMMONIUM ION AND AMINES) SELECTIVELY INHIBIT RRNA GENE EXPRESSION IN XENOPUS NEURULA CELLS -- 7. WEAK BASES SUPPRESS BOTH INITIATION AND ACTIVATION OF RRNA GENE EXPRESSION WHICH STARTS AT AND AFTER MBT STAGE  IN XENOPUS EMBRYOGENESIS -- 8. WEAK BASES INHIBIT RRNA GENE EXPRESSION AT THE TRANSCRIPTION LEVEL IN XENOPUS  EMBRYONIC CELLS -- 9. CELL PHYSIOLOGICAL STUDIES OF THE MECHANISM OF THE INHIBITION OF RRNA GENE EXPRESSION BY WEAK BASES -- 10. AMMONIA AS A CANDIDATE FOR ONE OF THE FACTORS INVOLVED IN THE CONTROL OF RRNA GENE EXPRESSION DURING XENOPUS EMBRYOGENESIS -- CONCLUSION AND A WORKING HYPOTHESIS -- REFERENCES -- PLANT ABIOTIC STRESS RESPONSES  AND NUTRIENTS -- ABSTRACT -- INTRODUCTION -- REGULATION OF PROLINE ACCUMULATION IN PLANTS -- PHENYLPROPANOIDS IN PLANT STRESS RESPONSES -- REFERENCES -- ATMOSPHERIC CONCENTRATION OF AMMONIA, NITROGEN DIOXIDE, NITRIC ACID AND SULFUR DIOXIDE BY MEMBRANE-TYPE PASSIVE METHOD AND THEIR EMISSION INVENTORY IN JAPAN -- ABSTRACT -- INTRODUCTION -- METHODS -- 1. Emission Inventory -- 2. Passive Method -- RESULTS AND DICUSSION -- 1. Annual Emission Map -- 2. Monthly Emission Variation -- 3. Relation Atmospheric Gas Concentration  with Its Emission Inventory -- 4. Monthly Variation of Gas Concentrations -- CONCLUSIONS -- ACKNOWLEDGEMENTS -- "]
[{"$nulls":4},"REFERENCES -- CONCENTRATION GRADIENT MEASUREMENTS AND FLUX CALCULATION OF ATMOSPHERIC AMMONIA OVER GRASSLAND (BUGAC-PUSZTA, HUNGARY) -- ABSTRACT -- 1. INTRODUCTION -- 2. MEASUREMENT SITE AND INSTRUMENTATION,  DATASET AND QUALITY CONTROL -- 3. AMMONIA FLUX CALCULATION -- 4. RESULLTS AND DDISCUSSIOONS -- CONCLUSION -- ACKNOWLEDGEMENTS -- REFERENCES -- INDEX."]
[null,null,null,"Sommario/riassunto","Ammonia is a natural and common nitrous agent affecting all vital processes in animal, plant and bacterial cells. In organisms, it is produced by about two hundred enzyme reactions, thus being an essential and harmless metabolite. At high concentrations, ammonia becomes a strong toxin. In this book, the authors present current research in the study of the structure, biosynthesis and functions of ammonia. Topics include the biochemical studies on energy metabolism in animals in acute ammonia intoxication; development of distributed fiber optic sensors of ammonia gas; inhibition of rRNA synthesis by amines and ammonium ions in xenopus embryos; amino acids that play roles in plant adaptation to abiotic stress and the atmospheric concentration of NH3, NO2, HNO3 and SO2 by the passive method compared with corresponding emission inventory."]