.webp&w=384&q=75){kind=logo}
Loading, please wait...
Loading, please wait...
Recent breakthroughs in medical technology have introduced biodegradable microrobots cardiac delivery systems that can navigate complex biological surfaces with high precision. These magnetically driven tools offer a fuel-free way to perform targeted medical tasks. Consequently, they represent a significant step forward for interventional cardiology and diagnostics.
The research team synthesized spherical microparticles using Poly (lactic-co-glycolic acid), commonly known as PLGA. They then applied a thin iron coating to one side of these spheres. This Janus-like design allows the particles to respond to rotating magnetic fields. Under these fields, the robots exhibit active rolling motion. Furthermore, the researchers utilized both manual and automated control systems to guide their movement accurately.
The study tested these microrobots on ex vivo chicken heart tissue. Despite the rough and heterogeneous surface of the tissue, the robots maintained consistent trajectory tracking. Additionally, the robots demonstrated a remarkable ability to transport living cells to specific targets. Because PLGA is naturally biocompatible, these robots degrade safely over time without causing significant cytotoxicity. Therefore, they address the critical challenge of leaving harmful residues in the body after a procedure.
These findings suggest that such microrobotic platforms could revolutionize in vivo diagnostics. They provide a versatile method for localized therapy while ensuring patient safety through their biodegradable nature. Future applications might include the precise delivery of drugs or stem cells to damaged heart areas.
They use an external rotating magnetic field to initiate a rolling motion. This allows them to traverse rough biological surfaces like heart tissue with high precision.
The robots are made from PLGA, a biocompatible and biodegradable polymer. They naturally break down in the body after completing their task, leaving no toxic residue.
Yes, the study confirmed that these microrobots can transport cells and potentially therapeutic agents to targeted locations on the tissue surface.
Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.
References
1. Kirmizitas FC et al. Biodegradable Microrobots for Active Navigation and Delivery on Ex Vivo Cardiac Models. Adv Healthc Mater. 2026 May 10. doi: 10.1002/adhm.202504779. PMID: 42106937.
2. Glotzer S. et al. Microrobots for targeted drug delivery. Science Advances. 2025 Jul 31.
Read summarized clinical updates, watch expert medical content, and earn CME certifications right from your smartphone.
Open your smartphone camera to scan and install.
Researchers have developed biodegradable PLGA microrobots that use magnetic fields to navigate cardiac tissue for precise therapeutic delivery and diagnosti...
2 months ago
Andhra Pradesh reported 10 new Covid-19 cases, taking the state tally to 49 while deaths remain at four. With 24 patients hospitalized and 16 under home isolation, the Health Department has intensified monitoring. Medical professionals should review regional distribution, diagnostic protocols, and management plans.
Today
An 11-year Swedish registry study of 618 uterine sarcoma patients found that minimally invasive surgery yielded survival comparable to open surgery in early stages. However, adjuvant chemotherapy conferred no survival benefit in localized or advanced disease, highlighting stage and histology as key outcomes.
3 days back
A cross-sectional study evaluates post-intensive care syndrome in cardiac patients 2-4 weeks post-ICU discharge, highlighting cognitive, psychological, and functional impairments and the need for structured multidisciplinary rehabilitation.
3 days back
Anterior cruciate ligament reconstruction failure lacks uniform definition. A narrative review proposes an integrative framework incorporating objective and subjective instability, persistent pain, restricted motion, graft rupture, and secondary meniscal injury to standardize clinical reporting.
3 days back
With World Obesity Atlas data warning that over 41 million Indian children are overweight or obese, ICMR and NIN have unveiled a 10-point policy roadmap. The initiative calls for mandatory front-of-pack labeling, HFSS taxes, strict marketing bans, and healthier school environments to curb non-communicable diseases.
Today
