Pratique du Shadowing: Biopharmaceutical manufacturing process | Boehringer Ingelheim BioXcellence™ - Apprendre l'anglais à l'oral avec YouTube

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Biopharmaceuticals are produced in living cell cultures or in bacterial microorganisms.
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Biopharmaceuticals are produced in living cell cultures or in bacterial microorganisms.
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The cells are modified in such a way that they generate the active substance of a biological medicine.
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Once the cells are reprogrammed and multiplied to a target density, they're cryogenically frozen and stored in vessels in a cell bank.
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Once a sample of cells is taken out from the cell bank, the cells must first be multiplied prior to use in a large fermentation vessel known as a bioreactor.
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Several rounds of expansion follow using an enriched nutrient solution specially designed to promote growth, which gradually increases the production volume.
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This provides the cells with optimal growth conditions and generates enough cells for the subsequent cultivation in the bioreactor.
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Parameters such as temperature, oxygen level, pH, and cellular debris must be controlled and adapted as the cells grow.
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Next, in the upstream process, the active substance is produced in a production bioreactor, the largest of which can hold a volume of up to 18,000 liters.
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The active substance is produced by further modification of the nutrient media to prompt the cells into generating the desired active pharmaceutical ingredient, the API.
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In the next process step, the downstream process, the API is separated or harvested from the cells and then purified.
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The purification process takes place in large chromatography columns which contains special resins designed to separate the API from additives and byproducts.
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On average a large-scale production process of a typical antibody can generate about 20 to 50 kilograms of active substance from one upstream manufacturing batch.
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In the final step the drug products are filled into vials in a highly sterile environment and then either stored as a frozen liquid or lyophilized as freeze-dried powder.
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Many biological medicines are also filled as liquids into syringes and stored under controlled refrigerated conditions.

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Why practice speaking with this video?

Engaging with the biopharmaceutical manufacturing process video provides a unique opportunity for English learners to enhance their speaking skills through the shadowing technique. By listening to technical vocabulary and complex sentences, you can practice replicating the speaker's intonation and pace, thus improving your English pronunciation. Furthermore, understanding the intricate processes involved in biopharmaceuticals will enrich your vocabulary, allowing you to discuss a topic that merges science with language learning. This specialized vocabulary can also give you an edge in fields such as life sciences, healthcare, or pharmaceutical industries where precise communication is crucial.

Grammar & Expressions in Context

Let's analyze some key grammatical structures and expressions used in the video:

  • Passive Voice: The process utilizes the passive voice (e.g., "The active substance is produced") which is common in scientific descriptions. Practicing this structure can help you convey information without focusing on who performs the action, making your English sound more formal and academic.
  • Complex Sentences: The speaker often uses complex sentences to connect ideas (e.g., "Once the cells are reprogrammed and multiplied to a target density"). Mastering this structure will enhance your ability to explain processes or describe conditions clearly, which is essential in any English-speaking environment.
  • Vocabulary Expansions: Terms like "cryogenically frozen", "bioreactor", and "chromatography" are essential for understanding the field. Learning and using these expressions can help you articulate scientific concepts effectively.

Common Pronunciation Traps

As you practice your speaking skills, be mindful of the following pronunciation challenges highlighted in the video:

  • "Biopharmaceutical": This long word may cause hesitation. Break it into syllables: bio-phar-ma-ceu-ti-cal. Consistent practice will improve your confidence when using it in conversation.
  • "Chromatography": The pronunciation can be tricky. Focus on the rhythm and ensure you pronounce each syllable clearly: chro-mat-o-gra-phy.
  • Technical Terms: Words like "upstream", "cultivation", and "purification" can be easy to mispronounce. Record yourself, listen, and compare with the video to refine your pronunciation.

Utilizing techniques such as the shadowing technique during this practice can significantly enhance your understanding and fluency. By repeating phrases after the speaker, you will naturally improve your English pronunciation and become more comfortable with complex terms. Try to incorporate these practices in your study routine and notice your progress!

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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