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Bibliografias de Historia de Espana
  • Language: es
  • Pages: 478

Bibliografias de Historia de Espana

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La nobleza en España
  • Language: es
  • Pages: 252

La nobleza en España

  • Type: Book
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  • Published: 2001
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  • Publisher: Unknown

None

Development of Microbial Ecological Theory: Stability, Plasticity, and Evolution of Microbial Ecosystems
  • Language: en
  • Pages: 158

Development of Microbial Ecological Theory: Stability, Plasticity, and Evolution of Microbial Ecosystems

“How can we develop microbial ecological theory?” The development of microbial ecological theory has a long way to reach its goal. Advances in microbial ecological techniques provide novel insights into microbial ecosystems. Articles in this book are challenging to determine the central and general tenets of the ecological theory that describes the features of microbial ecosystems. Their achievements expand the frontiers of current microbial ecology and propose the next step. Assemblage of these diverse articles hopefully helps to go on this long journey with many avenues for advancement of microbial ecology.

Biological Hazards in Food
  • Language: en
  • Pages: 279

Biological Hazards in Food

The ingestion of food containing pathogenic microorganisms (i.e. bacteria and their toxins, fungi, viruses) and parasites can cause food-borne diseases in humans. A growing number of emerging pathogens, changes of virulence of known pathogens and appearance of antibiotic resistance has recently exposed consumers to a major risk of illness. Also infected people and the environment can spread microorganisms on raw or processed food. Outbreaks of food-borne diseases are often unrecognized, unreported, or not investigated and particularly in developing countries their agents and sources are mostly unknown. Surveillance and analytical methods aiming at their detection are to be hoped, as well as good strategies to struggle against these threats. This E-book is subdivided in chapters regarding to pathogenic and spoiling microorganisms, chemical hazards produced by biological agents and food safety management systems.

Bioactive Compounds from Microbes
  • Language: en
  • Pages: 144

Bioactive Compounds from Microbes

Microorganisms have had a long and surprising history. They were “invisible” until invention of microscope in the 17th century. Until that date, although they were extensively (but inconsciously) employed in food preservation, beer and wine fermentation, cheese, vinegar, yogurt and bread making, as well as being the causative agents of infectious diseases, they were considered as “not-existing”. The work of Pasteur in the middle of the 19th century revealed several biological activities performed by microorganisms including fermentations and pathogenicity. Due to the urgent issue to treat infectious diseases (the main cause of death at those times) the “positive potential” of the...

Fungal Jewels: Secondary Metabolites
  • Language: en
  • Pages: 205

Fungal Jewels: Secondary Metabolites

Fungal natural products are friends and foes of humans such as deleterious mycotoxins, cytotoxic, carcinogenic compounds or beneficial compounds such as antibiotics, fungicides, insecticides, antiviral and antitumor metabolites. Understanding fungal diversity and estimation of fungal species on our planet poses a great challenge to researchers. This complexity is further multiplied by secondary metabolite diversity of fungi, which requires interdisciplinary studies. It is extremely important to understand the fungal secondary metabolism to stop human, animal and plant diseases caused by fungi and harvest their valuable metabolites. Furthermore, many secondary metabolite gene clusters are sil...

Biofilms from a Food Microbiology Perspective: Structures, Functions and Control Strategies
  • Language: en
  • Pages: 198

Biofilms from a Food Microbiology Perspective: Structures, Functions and Control Strategies

Materials and equipment in food processing industries are colonized by surface-associated microbial communities called biofilms. In these biostructures microorganisms are embedded in a complex organic matrix composed essentially of polysaccharides, nucleic acids and proteins. This organic shield contributes to the mechanical biofilm cohesion and triggers tolerance to environmental stresses such as dehydratation or nutrient deprivation. Notably, cells within a biofilm are more tolerant to sanitation processes and the action of antimicrobial agents than their free living (or planktonic) counterparts. Such properties make conventional cleaning and disinfection protocols normally not effective i...

Results of Observations Made at the Coast and Geodetic Survey Magnetic Observatory at Vieques, Porto Rico
  • Language: en
  • Pages: 136
Adonais
  • Language: en
  • Pages: 48

Adonais

  • Type: Book
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  • Published: 1821
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  • Publisher: Unknown

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