Snail-inspired robots aim to deliver cancer drugs precisely to tumors, reducing side effects and improving outcomes.
Researchers at The University of Manchester are developing miniature soft robots designed to deliver anti-cancer drugs directly to tumors in the bowel. The project, backed by nearly £1 million in funding from UK Research and Innovation, focuses on improving precision in colorectal cancer treatment.
Current drug delivery methods often struggle to target tumors accurately, causing side effects in healthy tissue. The new approach aims to release drugs only where needed, increasing effectiveness while reducing harm to the rest of the body.The robots are designed to anchor themselves within malignant tissue and release therapeutic payloads in a controlled way. Researchers say this could improve drug concentration at tumor sites and reduce off-target toxicity.The project also aims to address a long-standing challenge in medicine: navigating complex environments like the gastrointestinal tract with high accuracy.Mimicking snail-like movementThe team is drawing inspiration from snails and slugs, which move using slow, controlled waves and adhesive mucus. This natural mechanism allows them to travel across uneven and slippery surfaces.By replicating this motion, the researchers aim to build robots that can move precisely inside the human body. The design focuses on slime-based locomotion powered by rhythmic movement, enabling navigation through the digestive system.“This research brings together biology, materials science and robotics in a way that could genuinely transform future cancer therapies,” said Dr Mostafa Nabawy.The robots will be made from peptide-based bionanomaterials that can be tuned at the molecular level. These materials are designed to respond to external triggers such as magnetic fields, allowing doctors to guide and control the robots remotely.The researchers will also generate high-resolution datasets capturing how snails move, including their muscle-driven wave patterns and interactions with mucus. These measurements will be used to build machine learning models that can replicate and refine the robots’ movement.The soft robots will be built using peptide-based bionanomaterials that can be precisely tuned at the molecular level. These materials are designed to respond to external triggers such as magnetic fields, enabling non-invasive control once the robots are inside the body. This level of control could allow clinicians to guide the robots to specific sites and adjust their behavior in real time.Designing controllable soft systemsThe project will also generate detailed datasets on how snails move, including their interaction with mucus and surface mechanics. These insights will help researchers develop simulation models and machine learning systems to refine robot behavior.A digital twin framework is being developed to simulate how the robots interact with human tissue before real-world testing. This approach could reduce development time and improve design accuracy.In addition to cancer treatment, the technology could be used in other areas. Potential applications include alternatives to capsule endoscopy, industrial inspection in confined spaces, and environmental monitoring.Researchers say the long-term goal is to create a new class of soft robots capable of operating safely in complex and sensitive environments. The focus remains on improving precision, control, and adaptability in medical applications.The project reflects a broader push toward combining biology and engineering to solve real-world healthcare challenges.
Colorectal Cancer Drug Delivery Nanotechnology Robotics Snail Inspired Robots Soft Robots Targeted Therapy
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