Biotechnology at Hochschule Bonn-Rhein-Sieg

Flashcards and summaries for Biotechnology at the Hochschule Bonn-Rhein-Sieg

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Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

health, medicine and diagnostic is part of ... Biotechnology and offers the highest number of jobs

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Agrarbiotechnology is known as ... Biotechnology and refers to modification fo animals and plants.

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Industial Biotechnology is known as ... Biotechnology and is referring to the production of food additives, antibiotics, chemical synthesis & extraction of raw materials, energy production etc.

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Advantages of BioTech vs Chemical synthesis (4stichpunkte)

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Differences in BioTech vs Chemical synthesis for ammonia production and name use of ammonia

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

What are the 5 important properties a bioreactor should have/be?

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

via fermentation, anaerobic organisms can...

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Name benefits of the Use of Shake/Erlenmeyer flasks as bioreactors (4 Stichpunkte)

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

A stirred tank reactor (fermenter). can be used for operating with ... culture(s)

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Following aspects/methods are considered for the design of a bioreactor (8 Stichpunkte)

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Materials of Bioreactors
 5 Stichpunkte)

Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

What influenced the viscosity of a medium? (4 Stichpunkte)

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Exemplary flashcards for Biotechnology at the Hochschule Bonn-Rhein-Sieg on StudySmarter:

Biotechnology

health, medicine and diagnostic is part of ... Biotechnology and offers the highest number of jobs
Red

Biotechnology

Agrarbiotechnology is known as ... Biotechnology and refers to modification fo animals and plants.
Green

Biotechnology

Industial Biotechnology is known as ... Biotechnology and is referring to the production of food additives, antibiotics, chemical synthesis & extraction of raw materials, energy production etc.

white

Biotechnology

Advantages of BioTech vs Chemical synthesis (4stichpunkte)
•Complex molecules, like proteins, cannot be produced by chemical means
• Bioconversion gives higher yields (e.g. alcohol fermentation, 90% yield)
• Biological systems work under rather moderate conditions (temperature, pH, etc.)
• great specificy of a catalytic reaction, only exclusive products can be produced

Biotechnology

Differences in BioTech vs Chemical synthesis for ammonia production and name use of ammonia
•ammonia used as artificial fertilizer
N2+3H2 -> 2NH3
In chemistry: exagonic reaction, happens spontaneously but requires extreme high energy
(200-350atm above usual pressure, 300-600degrees, Haber Bosch procedure)
• In biology: Enzyme Nitrogenase can work at „normal“ conditions, occurs from Cyanobacteria
But Cyanobacteria is obligate anaerobe, so production required extreme anaerobic conditions​​​​

Biotechnology

What are the 5 important properties a bioreactor should have/be?
closed system, no contamination of organisms
• Keeping culture volume consant
Oxygen on a stable level, aeration
• Control of environmental parameters (pH, T, nutrients etc.)
•sufficient mixing of culture
=> Accurate control of bioreactor environment to achieve maximum production

Biotechnology

via fermentation, anaerobic organisms can...
produce acids which will lower the pH

Biotechnology

Name benefits of the Use of Shake/Erlenmeyer flasks as bioreactors (4 Stichpunkte)
• good aeration
• easy mixing
• allow easy optimization of process conditions
• good for establishing general conditions & monitoring early prototypes

Biotechnology

A stirred tank reactor (fermenter). can be used for operating with ... culture(s)
batch, fed-batch and continuous cultures

Biotechnology

Following aspects/methods are considered for the design of a bioreactor (8 Stichpunkte)
• Material
• Size
• Mixing
• Temperature Control
• Aeration
• Foam Breakdown
• Types
• Sterilization

Biotechnology

Materials of Bioreactors
 5 Stichpunkte)
• Corrosive resistant material
• use of non-toxic materials
• Must withstand repeated sterilization by high-pressure steam
• High rigidity of stirrer to withstand mechanical stress
• Transparent material of bioreactors to allow visual inspection of medium in culture

Biotechnology

What influenced the viscosity of a medium? (4 Stichpunkte)
• medium (more nutrientd make medium more viscous)
• concentration of MOs
• physicsl shape of MOs (single cell or mycel)
•type of product (e.g. xanthan)

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