Elaboracion De Un Protocolo De Muestreo Que Permita Evaluar La Calidad Microbiologica Del Aire Para El Laboratorio De Analisis De Aguas Y Alimentos De La Universidad Tecnologica De Pereira

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Elaboración de un protocolo de muestreo que permita evaluar la calidad microbiológica del aire para el Laboratorio de Análisis de Aguas y Alimentos de la Universidad Tecnológica de Pereira

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Author : Alejandra María Hernández López
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (991 download)

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Book Synopsis Elaboración de un protocolo de muestreo que permita evaluar la calidad microbiológica del aire para el Laboratorio de Análisis de Aguas y Alimentos de la Universidad Tecnológica de Pereira by : Alejandra María Hernández López

Download or read book Elaboración de un protocolo de muestreo que permita evaluar la calidad microbiológica del aire para el Laboratorio de Análisis de Aguas y Alimentos de la Universidad Tecnológica de Pereira written by Alejandra María Hernández López and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Resumen: En el presente trabajo se determinaron las condiciones óptimas de tiempo de exposición, altura y número de cajas de Petri necesarias para realizar un análisis microbiológico de ambientes por el método de sedimentación por gravedad, realizando ensayos en diferentes instalaciones de la Universidad Tecnológica de Pereira. Para lo cual se obtuvo que el tiempo de exposición de los medios de cultivo al ambiente sea de 30 minutos; ubicando las cajas de Petri a una altura media, generalmente mesones de trabajo; y estableciendo 5 cajas por agar, distribuidas estratégicamente en toda el área a muestrear. Se utilizaron diferentes medios de cultivo selectivos y diferenciales, con el fin de observar si se presentaba algún tipo de crecimiento siguiendo el método de sedimentación por gravedad, ya que estos agares no son usados comúnmente para un muestreo de ambientes. Y así se determinaron los microorganismos y medios de cultivo a tener en cuenta en el protocolo, los cuales son: Escherichia coli, Shiguella spp, Salmonella spp, que crecen en el medio EMB; Pseudomonas aeruginosa, que presenta crecimiento en el medio Cetrimide; y Staphylococcus aureus, que se desarrolla en el medio Baird Parker. Adicionalmente, se utilizaron dos medios de cultivo indicadores de contaminación microbiana como lo son el agar Plate Count para aerobios mesófilos y Ogye para hongos y levaduras...

Validación de los métodos espectrofotométricos para la determinación de SOx y NOx en muestras de aire

Author : Angélica Maria Manrique Carvajal
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (991 download)

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Book Synopsis Validación de los métodos espectrofotométricos para la determinación de SOx y NOx en muestras de aire by : Angélica Maria Manrique Carvajal

Download or read book Validación de los métodos espectrofotométricos para la determinación de SOx y NOx en muestras de aire written by Angélica Maria Manrique Carvajal and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Resumen: Este documento describe la manera y el procedimiento utilizados a la hora de ser validados los métodos para análisis de dióxido de azufre y óxidos de nitrógeno en muestras de aire; estos métodos son: El método espectrofotométrico de tetracloruromercurato/pararrosanilina para análisis de dióxido de azufre y El método colorimétrico para análisis de dióxido de nitrógeno en la atmosfera. Estos compuestos presentes en el aire son monitoreados por medio de un equipo recolector de gases en este caso un TRIGAS marca ENERGI, el cual por medio de una bomba de succión absorbe el aire; este es pasado a una solución absorbente que por medio de burbujeo se mezcla y así poder capturar el gas a analizar en este caso SOX (solución absorbente TCM) y NOX (solución absorbente NEDA). Posteriormente son analizados en el laboratorio por el método de tetracloruromercurato/pararrosanilina para análisis de dióxido de azufre y El método colorimétrico para análisis de dióxido de nitrógeno en la atmosfera. El laboratorio de análisis de Aguas y Alimentos de la UTP; en busca de calidad y de certificación; implemento la validación de estos métodos; basándose en el protocolo para la vigilancia y seguimiento del modulo aire del sistema de información ambiental, del IDEAM. Es posible ahora con los procedimientos de cada método desarrollados identificar dióxido de azufre a 570.8 nm y dióxido de nitrógeno; más específicamente dióxido de nitrógeno a 541nm. En muestras de aire burbujeado.

Manual de tecnicas microbiologicas para analisis de aguas y alimentos

Author : Nelly Mejia Ramirez
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (991 download)

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Book Synopsis Manual de tecnicas microbiologicas para analisis de aguas y alimentos by : Nelly Mejia Ramirez

Download or read book Manual de tecnicas microbiologicas para analisis de aguas y alimentos written by Nelly Mejia Ramirez and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Phosphorus in Environmental Technology

Author : E. Valsami-Jones
Publisher : IWA Publishing
ISBN 13 : 1843390019
Total Pages : 681 pages
Book Rating : 4.8/5 (433 download)

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Book Synopsis Phosphorus in Environmental Technology by : E. Valsami-Jones

Download or read book Phosphorus in Environmental Technology written by E. Valsami-Jones and published by IWA Publishing. This book was released on 2004-05-31 with total page 681 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phosphorus in Environmental Technology: Principles and Applications, provides a definitive and detailed presentation of state-of-the-art knowledge on the environmental behaviour of phosphorus and its applications to the treatment of waters and soils. Special attention is given to phosphorus removal for recovery technologies, a concept that has emerged over the past 5-6 years. The book features an all-encompassing approach: the fundamental science of phosphorus (chemistry, geochemistry, mineralogy, biology), key aspects of its environmental behaviour and mobility, industrial applications (treatment, removal, recovery) and the principles behind such applications, novel biotechnologies and, importantly, it also addresses socio-economic issues which often influence implementation and the ultimate success of any new technology. A detailed subject index helps the reader to find their way through the different scientific and technological aspects covered, making it an invaluable reference work for students, professionals and consultants dealing with phosphorus-related environmental technologies. State-of-the-art knowledge on the behaviour of phosphorus and its applications to environmental science and technology. Covers all aspects of phosphorus in the environment, engineered and biological systems; an interdisciplinary text.

Aquaculture Development

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251039717
Total Pages : 52 pages
Book Rating : 4.0/5 (397 download)

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Book Synopsis Aquaculture Development by : Food and Agriculture Organization of the United Nations

Download or read book Aquaculture Development written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 1997 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides annotations to the Principles of Article 9 of the Code of Conduct for Responsible Fisheries. These annotations are meant to serve as general guidance, and should be taken as suggestions or observations intended to assist those interested in identifying their own criteria and options for actions, as well as partners for collaboration, in support of sustainable aquaculture development.

Soil and Sediment Remediation

Author : Piet Lens
Publisher : IWA Publishing
ISBN 13 : 1843391007
Total Pages : 545 pages
Book Rating : 4.8/5 (433 download)

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Book Synopsis Soil and Sediment Remediation by : Piet Lens

Download or read book Soil and Sediment Remediation written by Piet Lens and published by IWA Publishing. This book was released on 2005-09-30 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil and Sediment Remediation discusses in detail a whole set of remediative technologies currently available to minimise their impact. Technologies for the treatment of soils and sediments in-situ (landfarming, bioscreens, bioventing, nutrient injection, phytoremediation) and ex-situ (landfarming, bio-heap treatment, soil suspension reactor) will be discussed. The microbiological, process technological and socio-economical aspects of these technologies will be addressed. Special attention will be given to novel biotechnological processes that utilise sulfur cycle conversions, e.g. sulfur and heavy metal removal from soils. Also the potential of phytoremediation will be highlighted. In addition, treatment schemes for the clean-up of polluted megasites, e.g. harbours and Manufactured Gaswork Plants (MGP), will be elaborated. The aim of Soil and Sediment Remediation is to introduce the reader in: the biogeochemical characteristics of soil and sediments- new techniques to study soil/sediment processes (molecular probes, microelectrodes, NMR) clean up technologies for soils polluted with organic (PAH, NAPL, solvents) or inorganic (heavy metals) pollutants- preventative and remediative strategies and technologies available in environmental engineering novel process applications and bioreactor designs for bioremediation the impact of soil pollution on society and its economic importance.

Mechanisms of Adaptation

Author : J.R. Spkatch
Publisher : Elsevier
ISBN 13 : 0323163289
Total Pages : 615 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Mechanisms of Adaptation by : J.R. Spkatch

Download or read book Mechanisms of Adaptation written by J.R. Spkatch and published by Elsevier. This book was released on 2014-04-24 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bacteria: Volume VII: Mechanisms of Adaptation explores the mechanisms of bacterial adaptations and covers topics ranging from bacterial spores, cysts, and stalks to nitrogen fixation, bacterial chemotaxis, bacteriophage growth, and the structure and biosynthesis of bacterial cell walls. The roles of appendages and surface layers in adaptation of bacteria to their environment are also considered, along with cell division in Escherichia coli. This volume is comprised of nine chapters and begins with a discussion on the structure, properties, formation, and regulation of spores, cysts, and stalks in actinomycetes, blue-green bacteria, myxobacteria, Bacillus, Azotobacter, and Caulobacter. The reader is then introduced to the biochemistry, regulation, genetics, and evolution of nitrogen fixing in organisms; the receptors involved in bacterial chemotaxis and the nature of the sensing mechanism; the outer membrane of gram-negative bacteria; and bacterial functions involved in nutrient detection and acquisition. The roles played by organelles and surface layers in the adaptation of bacteria to their environment are also examined. The final chapter deals with the regulation of, and coordination between, the multitude of events involved in cell division in Escherichia coli. This monograph will be a useful resource for microbiologists, bacteriologists, biochemists, and biologists.

Antimicrobial Drug Resistance

Author : L Bryan
Publisher : Elsevier
ISBN 13 : 0323144950
Total Pages : 594 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Antimicrobial Drug Resistance by : L Bryan

Download or read book Antimicrobial Drug Resistance written by L Bryan and published by Elsevier. This book was released on 2012-12-02 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antimicrobial Drug Resistance presents information regarding the ability of organisms to resist natural and synthetically derived inhibitors. It presents the view of the authors who made significant contributions to the understanding of resistance. The book focuses on inhibitors classified as antifungal, antiviral, and antimalarial, as well as metal ions. It also covers numerous reactions, which have been genetically and biochemically analyzed in this context. Additionally, some chapters cover resistance plasmids of most of the clinically important bacteria. The book is designed to aid those involved in microbiological and pharmaceutical research on antimicrobial agents, clinical infectious diseases and medical microbiology, teaching microbiology and pharmacology, pharmaceutical marketing, and infection control.

Soil Quality for Crop Production and Ecosystem Health

Author : E.G. Gregorich
Publisher : Elsevier
ISBN 13 : 0080541402
Total Pages : 465 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Soil Quality for Crop Production and Ecosystem Health by : E.G. Gregorich

Download or read book Soil Quality for Crop Production and Ecosystem Health written by E.G. Gregorich and published by Elsevier. This book was released on 1997-11-10 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil is a complex body that exists as many types, each with diverse properties that may vary widely across time and space as a function of many factors. This complexity makes the evaluation of soil quality much more challenging than that of water or air quality. Evaluation of soil quality now considers environmental implications as well as economic productivity, seeking to be more holistic in its approach.Thus, soil quality research draws from a wide range of disciplines, blending the approaches of biologists, physicists, chemists, ecologists, economists and agronomists, among others.This book presents a broad perspective of soil quality that includes these various perspectives and gives a strong theoretical basis for the assessment of soil quality.A short glossary provides definitions for terms used throughout the book.

Biotaxonomy of Tephritoidea

Author : Amnon Freidberg
Publisher :
ISBN 13 : 9789657177013
Total Pages : 599 pages
Book Rating : 4.1/5 (77 download)

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Book Synopsis Biotaxonomy of Tephritoidea by : Amnon Freidberg

Download or read book Biotaxonomy of Tephritoidea written by Amnon Freidberg and published by . This book was released on 2006 with total page 599 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Biological Control of Plant Diseases

Author : E.C. Tjamos
Publisher : Springer Science & Business Media
ISBN 13 : 1475794681
Total Pages : 446 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Biological Control of Plant Diseases by : E.C. Tjamos

Download or read book Biological Control of Plant Diseases written by E.C. Tjamos and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers contained in this book were presented at a NATO Advanced Research Workshop (ARW) held at Cape Sounion, Athens, Greece, 19-24 May, 1991. The twenty-eight more comprehensive papers represent the key subjects of the ARW covered by invited speakers. The thirty-four short papers pre sented in a research format are contributions of those invited to participate in the ARW. There was a total of 70 participants from 21 countries. The objectives of the ARW were as follows: to review current knowledge of biological control of plant diseases and plant parasitic nematodes, with emphasis on mechanisms at the molecular, cellular, organismal, and ecosystem level; to examine and expand on current concepts and synthesize new concepts; to identify and prioritize limitations in the use of biological control for plant diseases and nematodes and the scientific research needed to overcome these limitations; and to develop strategies for biological control through management of resident agents or introduction of natural or modified agents.

Environmental Transport Processes

Author : Bruce E. Logan
Publisher : John Wiley & Sons
ISBN 13 : 1118230078
Total Pages : 493 pages
Book Rating : 4.1/5 (182 download)

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Book Synopsis Environmental Transport Processes by : Bruce E. Logan

Download or read book Environmental Transport Processes written by Bruce E. Logan and published by John Wiley & Sons. This book was released on 2012-03-20 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique approach to the challenges of complex environmental systems Environmental Transport Processes, Second Edition provides much-needed guidance on mass transfer principles in environmental engineering. It focuses on working with uncontrolled conditions involving biological and physical systems, offering examples from diverse fields, including mass transport, kinetics, wastewater treatment, and unit processes. This new edition is fully revised and updated, incorporating modern approaches and practice problems at the end of chapters, making the Second Edition more concise, accessible, and easy to use. The book discusses the fundamentals of transport processes occurring in natural environments, with special emphasis on working at the biological physical interface. It considers transport and kinetics in terms of systems that involve microorganisms, along with in-depth coverage of particles, size spectra, and calculations for particles that can be considered either spheres or fractals. The book's treatment of particles as fractals is especially unique and the Second Edition includes a new section on exoelectrogenic biofilms. It also addresses dispersion in natural and engineered systems unlike any other book on the subject. Readers will learn to tackle with confidence complex environmental systems and make transport calculations in heterogeneous environments with mixtures of chemicals.

Banana: Genomics and Transgenic Approaches for Genetic Improvement

Author : Sukhada Mohandas
Publisher : Springer
ISBN 13 : 9811015856
Total Pages : 345 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Banana: Genomics and Transgenic Approaches for Genetic Improvement by : Sukhada Mohandas

Download or read book Banana: Genomics and Transgenic Approaches for Genetic Improvement written by Sukhada Mohandas and published by Springer. This book was released on 2016-09-08 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bananas and plantains are among the most important food and cash crops in the world. They are cultivated in more than 135 countries, across the tropics and subtropics, with an annual global production of ca. 130 million metric tonnes. Though bananas are one of the most important components of food security in many developing countries, banana production is threatened by both abiotic and biotic stresses. These include a wide range of diseases and pests, such as bunchy top virus, burrowing nematodes, black Sigatoka or black leaf streak, Fusarium wilt, etc. In recent years, considerable progress has been made and several biotechnological and genomic tools have been employed to help understand and unravel the mysterious banana genome. Molecular and genomic studies have helped to decipher the Musa genome and its evolution. Genetic linkage map and whole genome sequencing of both Musa acuminata and Musa balbisiana (progenitors of cultivated banana) have completely changed the way of thinking and the approach on banana crop improvement. Whole-genome sequencing has helped to improve the selection of quantitative traits such as yield, as well as the selection of optimal parents for developing required hybrids in breeding programs. Gene isolation and the analysis of mutants have helped in the characterization of genes of agronomic value and the associated regulatory sequences. With the advent of molecular markers and new statistical tools, it is now possible to measure the diversity, identify genes and useful alleles linked to important agronomic traits. Further these alleles can be incorporated into cultivars through marker assisted selection or through transgenic approach. Transgenic approaches are potential tools for direct transfer of these genes into popular cultivars, which are generally not amenable for conventional breeding techniques, in specific with crops such as bananas which are sterile, triploid and heterozygous thereby making it difficult to reconstruct the recurrent genotypes in banana. Transgenic techniques thus have helped overcome the difficulty of working with sterile, triploid banana crop. In the last five years, enormous amount of new information and techniques have been generated for banana. A comprehensive book entitled “Banana: Genomics and Transgenic Approaches for Genetic improvement” on banana genomics, latest transgenic technologies and tools available for improved crop development in banana will address all these requirements.

Nutrigenetics

Author : Dolores Corella
Publisher : MDPI
ISBN 13 : 3038429953
Total Pages : 231 pages
Book Rating : 4.0/5 (384 download)

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Book Synopsis Nutrigenetics by : Dolores Corella

Download or read book Nutrigenetics written by Dolores Corella and published by MDPI. This book was released on 2018-07-10 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Nutrigenetics" that was published in Nutrients

Plant Conservation and Biodiversity

Author : David L. Hawksworth
Publisher : Springer Science & Business Media
ISBN 13 : 1402064446
Total Pages : 421 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Plant Conservation and Biodiversity by : David L. Hawksworth

Download or read book Plant Conservation and Biodiversity written by David L. Hawksworth and published by Springer Science & Business Media. This book was released on 2007-09-18 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Original studies address key aspects of the conservation and biodiversity of plants. Articles are all peer-reviewed primary research papers, contributed by leading biodiversity researchers from around the world. Collectively, these articles provide a snapshot of the major issues and activities in global plant conservation. Many of the articles can serve as excellent case studies for courses in ecology, restoration, biodiversity, and conservation.

Nutrition and Aging

Author : Irwin H. Rosenberg
Publisher : Karger Medical and Scientific Publishers
ISBN 13 : 3805573219
Total Pages : 266 pages
Book Rating : 4.8/5 (55 download)

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Book Synopsis Nutrition and Aging by : Irwin H. Rosenberg

Download or read book Nutrition and Aging written by Irwin H. Rosenberg and published by Karger Medical and Scientific Publishers. This book was released on 2002 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Humanity is aging. In the last century, life expectancy has increased by as much as 25 years, the greatest increase in 5'000 years of history. As a consequence the elderly constitute today the fastest growing segment of the world's population. This new situation creates many social problems and challenges to health care which both the developed as well as the developing countries will have to cope with. The present publication shows that scientific progress has reached a level where nutritional interventions may play a decisive part in the prevention of degenerative conditions of age, improvement of quality of life and impact on health care burden and resources. Topics deal with such different aspects as the influence of prenatal and early infant nutrition on the future aged individual and effects of energetic restriction on longevity. Further contributions include studies on mitochondrial alterations, digestive problems, specific metabolic deviations mediated by insulin, bone degradation, structural changes, neuromuscular dysfunctions, mental state of the elderly as well as the response of the immune system to nutrient intake. Finally the book offers a review of requirements appropriate to meet the age-related public health challenges of the 21st century.

Sustainable Energy Technologies

Author : Eduardo Rincón-Mejía
Publisher : CRC Press
ISBN 13 : 1351980688
Total Pages : 399 pages
Book Rating : 4.3/5 (519 download)

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Book Synopsis Sustainable Energy Technologies by : Eduardo Rincón-Mejía

Download or read book Sustainable Energy Technologies written by Eduardo Rincón-Mejía and published by CRC Press. This book was released on 2017-11-20 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the key aspects that will define future sustainable energy systems: energy supply, energy storage, security and limited environmental impacts. It clearly explains the need for an integrated engineering approach to sustainable energies, based on mathematical, biogeophysical, and engineering arguments. Resilient and efficient alternatives are compared to non-sustainable options. This book results from the collaboration of 50 international contributors.