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Analysis Of Plant Waste Materials

Author: Hans F. Linskens
Publisher: Springer Science & Business Media
ISBN: 3662038870
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Modern Methods of Plant Analysis When the handbook Modern Methods of Plant Analysis, was first introduced in 1954, the considerations were: 1. the dependence of scientific progress in biology on the improvement of existing and the introduction of new methods; 2. the difficulty in finding many new analytical methods in specialized journals which are normally not accessible to experimental plant biologists; 3. the fact that in the methods sections of papers the description of methods is frequently so compact, or even sometimes so incomplete, that it is difficult to reproduce experiments. These considerations still stand today. The series was highly successful, seven volumes appearing between 1956 and 1964. Since there is still today a demand for the old series, the publisher has decided to resume publication of Modern Methods of Plant Analysis. It is hoped that the New Series will be just as acceptable to those working in plant sciences and related fields as the early volumes undoubtedly were. It is difficult to single out the major reasons for the success of any publication, but we believe that the methods published in the first series were up-to-date at the time and presented in a way that made description, as applied to plant material, complete in itself with little need to consult other publications. Contribution authors have attempted to follow these guidelines in this New Series of volumes. Editorial The earlier series of Modern Methods of Plant Analysis was initiated by Michel V.

Moderne Methoden Der Pflanzenanalyse Modern Methods Of Plant Analysis

Author: K. Paech
Publisher: Springer Science & Business Media
ISBN: 3642649580
Size: 69.25 MB
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If, following the solvent extraction of a hydrocarbon from a plant, it is not known whether it is one or the other, a method of distinguishing the two is described by HENDRICKS, WILDMAN and JONES (1946). The technique involves the infra-red absorption spectra of the two isomers. At about 12 mp. the relative absorption coefficient of rubber is 42% greater than for gutta. ScHLESINGER and LEPER (1951) describe two procedures for separation of the rubber and gutta hydrocarbons from large quantities of crude chicle. In one, the chicle is extracted with benzene which dissolves both isomers. An excess absolute ethyl acetate is added and the mixture stored at 5° C overnight. The gutta precipitates out and the rubber remains in solution. The other method is as follows: (1) Ten grams of chicle are extracted with acetone for 24 hours in a Soxhlet extraction apparatus. (2) The insoluble material in the thimble is allowed to .. it dry, then immersed in 150 ml. of cold Skellysolve B in a refrigerator at 10° C and· allowed to stand for 48 hours with occasional agitation. (3) The thimble is then removed from the solvent and the enclosed residue washed several times with fresh, cold Skellysolve B. (4) An excess of acetone and a few drops of a concentrated aqueous solution of sodium iodide are added to the combined Skellysolve B extract and washings and allowed to stand overnight in a refrigerator.

Gene Expression Systems In Fungi Advancements And Applications

Author: Monika Schmoll
Publisher: Springer
ISBN: 3319279513
Size: 19.11 MB
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Biotechnology has emerged as one of the key environmentally safe technologies for the future which enables use of biomass to develop novel smart materials and to replace oil derived products. Fungi are the most efficient producers of the enzymes needed for this purpose and in addition they produce a plethora of secondary metabolites, among which novel antibiotics can be found. Industrial application and exploitation of the metabolic capacities of fungi requires highly productive and robust gene expression systems, which can be achieved by selection of appropriate species and strain improvement. In this book we aim to summarize homologous and heterologous gene expression systems of fungi for production of enzymes and secondary metabolites. A broad overview on requirements, challenges and successful applications shall serve as a basis for further development of fungi as biotechnological workhorses in research and industry.

The Exergy Method Of Thermal Plant Analysis

Author: T. J. Kotas
Publisher: Elsevier
ISBN: 1483100367
Size: 58.16 MB
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The Exergy Method of Thermal Plant Analysis aims to discuss the history, related concepts, applications, and development of the Exergy Method - analysis technique that uses the Second Law of Thermodynamics as the basis of evaluation of thermodynamic loss. The book, after an introduction to thermodynamics and its related concepts, covers concepts related to exergy, such as physical and chemical exergy, exergy concepts for a control method and a closed-system analysis, the exergy analysis of simple processes, and the thermocentric applications of exergy. A seven-part appendix is also included. Appendices A-D covers miscellaneous information on exergy, and Appendix E features charts of thermodynamic properties. Appendix F is a glossary of terms, and Appendix G contains the list of references. The text is recommended for physicists who would like to know more about the Exergy Method, its underlying principles, and its applications not only in thermal plant analysis but also in certain areas.

Pflanzenbiochemie

Author: Hans-Walter Heldt
Publisher:
ISBN: 9783827404923
Size: 78.76 MB
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Nunmehr liegt die 2., grA1/4ndlich A1/4berarbeitete und aktualisierte Auflage des gut eingefA1/4hrten Lehrbuches von Hans-Walter Heldt, einem der renommiertesten deutschen Pflanzenbiochemiker, vor. Der Autor spannt den Bogen von der Photosynthese A1/4ber PrimAr- und SekundArstoffwechsel sowie Phytohormone bis hin zu aktuellen Themen wie Molekulargenetik und Gentechnik. Die Pflanzenbiochemie ist auch auf vielen Feldern der angewandten Forschung von groAer Bedeutung, etwa in der Pflanzenzucht und Biotechnologie sowie der Wirkstoff-Forschung an Pflanzen. Neueste wissenschaftliche Erkenntnisse fanden Eingang in dieses Buch, und an vielen Stellen zeigt der Autor die Grenzen unseres derzeitigen Wissens auf. Kompetenz und AktualitAt, klare Darstellung und gute VerstAndlichkeit - das sind die Kennzeichen dieses Lehrbuches. Mit sorgfAltig erstellten zweifarbigen Abbildungen erfA1/4llt es einen hohen didaktischen Anspruch und reiht sich unter die besten Biochemie-LehrbA1/4cher. ((Foto wie auf 1. Auflage, liegt sicherlich in Produktion als Film)) Prof. Dr. Hans-Walter Heldt, Jahrgang 1934, leitet die Abteilung fA1/4r Biochemie der Pflanze am Albrecht-von-Haller-Institut fA1/4r Pflanzenwissenschaften der UniversitAt GAttingen. Seine Forschungsinteressen gelten dem Photosynthese-Stoffwechsel hAherer Pflanzen und dem Metabolitentransport. FA1/4r seine Arbeiten wurde er 1993 mit dem Max-Planck-Forschungspreis ausgezeichnet. Dozentenstimmen zur 1. Auflage: ”Das Buch hat den Mut, komplexe Sachverhalte einfach darzustellen und notfalls auf die letzten Feinheiten und Varianten zu verzichten. Trotzdem bleibt die Darstellung korrekt, und sie ist auf dem aktuellen Stand. Das ist genau das, was die Studenten brauchen.>Pflanzenbiochemie aus einem GuA; in der Tiefe und in der Breite mit groAem VerstAndnis fA1/4r Regulation und Funktionen in der ganzen Pflanze. Auf so etwas haben wir lange gewartet.

Water Resources Research Catalog

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Beginning with vol. 9, only new and continuing but modified projects are listed. Vols. 8- should be kept as a record of continuing but unchanged projects.

Proceedings Of The 8th International Conference On Foundations Of Computer Aided Process Design

Author:
Publisher: Elsevier
ISBN: 0444634428
Size: 50.13 MB
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This volume collects together the presentations at the Eighth International Conference on Foundations of Computer-Aided Process Design, FOCAPD-2014, an event that brings together researchers, educators, and practitioners to identify new challenges and opportunities for process and product design. The chemical industry is currently entering a new phase of rapid evolution. The availability of low-cost feedstocks from natural gas is causing renewed investment in basic chemicals in the OECD, while societal pressures for sustainability and energy security continue to be key drivers in technology development and product selection. This dynamic environment creates opportunities to launch new products and processes and to demonstrate new methodologies for innovation, synthesis and design. FOCAPD-2014 fosters constructive interaction among thought leaders from academia, industry, and government and provides a showcase for the latest research in product and process design. Focuses exclusively on the fundamentals and applications of computer-aided design for the process industries. Provides a fully archival and indexed record of the FOCAPD14 conference Aligns the FOCAPD series with the ESCAPE and PSE series

Olives And Olive Oil In Health And Disease Prevention

Author: Victor R. Preedy
Publisher: Academic Press
ISBN: 9780080922201
Size: 15.48 MB
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Long used in sacred ceremonies and associated with good health, the nutritional and health promoting benefits of olives and olive oils have been proven by an ever-increasing body of science. From cardiovascular benefits to anti-microbial, anti-cancer, antioxidant activity and effects on macrophages and aptoptosis to cellular and pathophysiollogical process, olives and olive oils are proving important in many healthful ways. For example, reactive components in olive oils or olive oil by-products have now been isolated and identified. These include tyrosol, hydroxytyrosol, 3,4-dihydroxyphenyl acetic acid elenolic acid and oleuropein. Oleic acid is the main monosaturated fatty acid of olive oil. These have putative protective effects and modulate the biochemistry of a variety of cell types including those of the vascular system. Some but not all components have been characterised by their putative pharmacological properties. It is possible that usage of these aforementioned products may have beneficial application in other disease. However, in order for this cross-fertilization to take place, a comprehensive understanding of olives and olive oils is required. Finding this knowledge in a single volume provides a key resource for scientists in a variety of food an nutritional roles. Key Features: * Explores olives and olive oil from their general aspects to the detailed level of important micro-and micronutrients * Includes coverage of various methodologies for analysis to help scientists and chemists determine the most appropriate option for their own studies, including those of olive-related compounds in other foods * Relates, in a single volume resource, information for food and nutritional chemists, pharmaceutical scientists, nutritionists and dieticians * Presents information in three key categories: General aspects of olives an olive oils; Nutritional, pharmacological and metabolic properties of olives and olive oil; Specific components of olive oil and their effects on tissue and body systems