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Thread: Miscellaneous

  1. #21

  2. #22


    Shape-morphing microrobots for localized cancer treatment

    Nov 18, 2021

    Researchers have designed magnetically propelled microrobots capable of targeted drug delivery. As a proof-of-concept demonstration, a shape-morphing microfish (SMMF) is designed to encapsulate a drug (doxorubicin (DOX)) by closing its mouth in phosphate-buffered saline and release the drug by opening its mouth in a slightly acidic solution. According to the researchers, “With the continuous optimization of size, motion control, and imaging technology, these magnetic SMMRs will provide ideal platforms for complex microcargo operations and on-demand drug release.”
    Credit:
    Environmentally Adaptive Shape-Morphing Microrobots for Localized Cancer Cell Treatment
    Chen Xin, Dongdong Jin, Yanlei Hu, Liang Yang, Rui Li, Li Wang, Zhongguo Ren, Dawei Wang, Shengyun Ji, Kai Hu, Deng Pan, Hao Wu, Wulin Zhu, Zuojun Shen, Yucai Wang, Jiawen Li, Li Zhang, Dong Wu, and Jiaru Chu
    ACS Nano, DOI: 10.1021/acsnano.1c06651

  3. #23


    Could YOU swallow a robot?

    Jun 16, 2022

    Have you ever wondered if that over-the-counter pill you took an hour ago is helping to relieve your headache?

    With NSF's support, a team of Stanford University mechanical engineers has found a way to target drug delivery…to better attack that headache.

    Meet the millirobots. These finger-sized, wireless, origami inspired, amphibious robots could become medicines future lifesaver. They can roll, spin, and swim into narrow spaces with a mission to deliver and dispense a high-concentration drug exactly where the body needs it. Especially helpful when treating more complicated medical conditions like cardiovascular disease or cancer.

    Millirobots go beyond the basic origami foldability to maneuver by utilizing accordion fold action to squeeze the medicine out.

    Besides dispensing medicine more effectively, they could also carry instruments or cameras into the body, changing how doctors examine patients. The team is working on using ultrasound imaging to track where the robots go, eliminating the need to cut open organs.

    While more testing is needed, the team continues combining novel smart materials and structures into unique designs to form new biomedical devices that could one day maximize health outcomes while minimizing the need for invasive procedures.

  4. #24
    Article "Smart microrobots learn how to swim and navigate with artificial intelligence"
    The AI-powered swimmer is able to switch between different locomotory gaits adaptively to navigate toward any target location on its own

    August 4, 2022

  5. #25

  6. #26


    Tiny, caterpillar-like soft robot grabs, rolls and degrades

    Sep 14, 2022

    When you hear the term “robot,” you might think of complicated machinery working in factories or roving on other planets. But “millirobots” might change that. They’re robots about as wide as a finger that someday could deliver drugs or perform minimally invasive surgery. Researchers reporting in ACS Applied Polymer Materials have developed a soft, biodegradable, magnetic millirobot inspired by the walking and grabbing capabilities of insects.

    Soft Tunable Gelatin Robot with Insect-like Claw for Grasping, Transportation, and Delivery” - Wanfeng Shang, Ph.D., and Yajing Shen, Ph.D. (corresponding authors)

  7. #27


    Phase-changing metal robot

    Jan 31, 2023

    A new type of robot can change between solid and liquid forms on demand, to achieve a range of different goals
    "Scientists invented a melting liquid robot that can escape from a cage"

    by Leo Sands
    January 26, 2023

  8. #28


    Micro robots with brains

    Mar 6, 2023

    Micro Robots are a revolutionary new technology that could change how we interact with the world around us. For the first time, a collaborative research team of electrical and computer engineers , with support from NSF, has installed electronic brains on solar-powered microbots the size of a human hair. One of the biggest challenges is their small size-requiring external control, such as a computer or smartphone, limiting their range and making the bots difficult to manipulate remotely until now.

  9. #29

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