What is the primary biological function of the blood-brain barrier?
Chapter 1

Bypassing the brain's fortress

Chapter 2

Smart implants with superpowers

Chapter 3

Bioprinting the enemy to defeat it

Chapter 4

The future of brain medicine

Ch 1 · Bypassing the brain's fortress
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007skaty New medical implants deliver chemotherapy directly to cancer tumors

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007skaty Targeted Brain Tumor Therapy

Sound waves push the medicine straight to the cell (shielding the rest)

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To heal a complex wound, the remedy must conform to the shape of the damage.

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007skaty Bioengineers design medical implants that safely dissolve inside the skull

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Why the brain acts like a biological fortress

007skaty This dense cellular shield stops traditional intravenous chemotherapy, protecting aggressive glioblastoma tumors from the very treatments meant to destroy them.

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Solving the puzzle of irregular surgical cavities

007skaty MRI scans map surgical wounds so bioengineers can print personalized chemotherapy scaffolds

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The Vanishing Brain Patch
BETA

007skaty Slide the vanishing patch onto the tumor to learn how dissolving implants fight brain tumors.

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Fun Fact

Brain-safe plastic: The biodegradable polymer polycaprolactone takes up to two years to fully dissolve in the human body, safely releasing therapeutic molecules the entire time.

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Glossary
blood-brain barrier (noun)
A network of blood vessels and tissue that keeps harmful substances from entering the brain. In 2026, MIT researchers designed a 3D-printed device using ultrasound to temporarily open this physiological wall.

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Gossip

If you had to design a medical implant, what shape would you choose?

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Quiz

Approximately what percentage of small-molecule drugs does the blood-brain barrier block from entering the brain?

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007skaty Bioengineers design custom 3D-printed scaffolds for irregular brain surgery cavities

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Quiz

What is the primary biological function of the blood-brain barrier?

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Quiz

What percentage of glioblastoma brain tumors typically recur within the surgical cavity margin?

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Quiz

Why are standard, stiff chemotherapy wafers less effective than custom 3D-printed implants?

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Quiz

Which FDA-approved biodegradable polymer is commonly used as a flexible matrix for 3D-printed brain implants?

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Quiz

Why is using a biodegradable material for brain implants highly advantageous for patients?

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Quiz

How does localized drug delivery protect a patient's healthy organs during brain cancer treatment?

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Quiz

What is a major disadvantage of traditional systemic chemotherapy compared to local implant delivery?

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