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Hydrazine (antidepressant)

Hydrazine (antidepressant) is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Hydrazine (antidepressant) rather than just read about it. In short: The hydrazine antidepressants are a group of non-selective, irreversible monoamine oxidase inhibitors (MAOIs) which were discovered and initially marketed in the 1950s and 1960s. Most have been withdrawn due to toxicity, namely hepatotoxicity, but a few still remain in clinical use.

Hydrazine (antidepressant) — main illustration
Hydrazine (antidepressant) — illustration

Key takeaways

  • Hydrazine (antidepressant) belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Hydrazine (antidepressant) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Hydrazine (antidepressant) from memory before moving on to harder problems.

Reference excerpt

The hydrazine antidepressants are a group of non-selective, irreversible monoamine oxidase inhibitors (MAOIs) which were discovered and initially marketed in the 1950s and 1960s. Most have been withdrawn due to toxicity, namely hepatotoxicity, but a few still remain in clinical use. Tranylcypromine, a structurally unrelated MAOI introduced around the same time as the hydrazines, was originally advertised as non-hydrazine as a result of its diminished propensity for causing hepatotoxicity.

List of hydrazine antidepressants

Marketed

Legend: ‡ = Withdrawn from the market; † = Partially discontinued; Bolded names indicate major drugs.

Never marketed Carbenzide Cimemoxin Domoxin Metfendrazine

Parkinson's Carbidopa

Tranquillosedative Centazolone

References

López-Muñoz F, Alamo C (2009). "Monoaminergic neurotransmission: the history of the discovery of antidepressants from 1950s until today". Current Pharmaceutical Design. 15 (14): 1563–86. doi:10.2174/138161209788168001. PMID 19442174.

Illustrations

Hydrazine (antidepressant): Iproniazid, the first hydrazine MAOI to be discovered.
Iproniazid, the first hydrazine MAOI to be discovered.

Worked examples

Example 1 — a first encounter with Hydrazine (antidepressant)

Start with the simplest possible case. Write down what Hydrazine (antidepressant) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Hydrazine (antidepressant) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Hydrazine (antidepressant) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Hydrazine (antidepressant)

In research
Hydrazine (antidepressant) appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Hydrazine (antidepressant) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Hydrazine (antidepressant) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Hepatotoxins, Hydrazines, Monoamine oxidase inhibitors, so understanding it makes those chapters shorter.
In everyday life
Look for Hydrazine (antidepressant) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Hydrazine (antidepressant) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Hydrazine (antidepressant) means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Hydrazine (antidepressant) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hydrazine (antidepressant) in simple terms?

The hydrazine antidepressants are a group of non-selective, irreversible monoamine oxidase inhibitors (MAOIs) which were discovered and initially marketed in the 1950s and 1960s. Most have been withdrawn due to toxicity, namely hepatotoxicity, but a few still remain in clinical use.

Why does Hydrazine (antidepressant) matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Hydrazine (antidepressant)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Hydrazine (antidepressant).

Tags

  • Hepatotoxins
  • Hydrazines
  • Monoamine oxidase inhibitors

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