Micro/nanomotors (MNMs) have become a transformative force in biomedical engineering, playing a pivotal role in advancing next-generation drug delivery systems. These tiny propulsion systems are categorized by their actuation mechanisms, with gas-driven MNMs standing out due to their ability to harness chemically generated micro/nano-scale thrust for autonomous motion. By leveraging their dynamic self-propulsion and unique bio-interactive behaviors, gas-driven MNMs can efficiently navigate complex biological barriers, offering groundbreaking therapeutic solutions for cancer treatment, thrombolysis, and targeted drug delivery. This review first examines the fundamental propulsion mechanisms of gas-driven MNMs, then highlights their latest breakthroughs in overcoming physiological obstacles. Finally, it evaluates their future potential and clinical advantages, providing critical insights to drive innovation and accelerate their translation into real-world medical applications.

Currently, the development of low-reflection electromagnetic interference (EMI) shielding composite materials for mitigating secondary electromagnetic wave pollution has become a major research focus. However, achieving thinness, high toughness, low reflectivity, and multifunctionality in flexible EMI shielding films remains a challenge. To address this issue, Benliang Liang and Luting Yan from Beijing Jiaotong University, in collaboration with Lan Zhang from Luoyang Institute of Science and Technology, have introduced a "magnetic-electric" Janus structure EMI shielding composite film composed of MXene nanosheets, carbonized ZIF67 (CZIF67) nanoparticles and aramid nanofibers (ANF), balancing thinness(80 μm), high-strength-toughness composite film (110±7 MPa tensile strength, 21% strain, 14.91±0.9 MJ·m⁻³ toughness), (4.3–4.5 dB in 8.2–9.6 GHz) with 44.8 dB SET in the X-band. In addition, This multifunctional material simultaneously integrates electrothermal/photothermal conversion, fire-alarm response, and infrared stealth capabilities, demonstrating exceptional potential for next-generation wearable electronics and harsh-environment applications.

Ulcerative colitis (UC), a prevalent chronic inflammatory bowel disease, faces limitations in current treatments due to poor efficacy and side effects. Emodin (EMO), a natural anti-inflammatory compound, shows promise but is hindered by low solubility and bioavailability. A research team led by Prof. Xueye Chen from Ludong University developed a novel micromixer combined with machine learning to enable one-step synthesis of targeted emodin liposomes (Apt-EMO@Lip), significantly enhancing therapeutic efficiency and paving new avenues for UC treatment.

As part of an effort to better evaluate how pre-weaned calf and stocker calf treatments influence feedlot performance, Daniel Rivera, associate professor of animal science with the University of Arkansas System Division of Agriculture and Paul Beck, a professor and extension specialist for beef nutrition with Oklahoma State University’s department of animal and food sciences, published a summary of research on the topic in a special issue of Applied Animal Sciences, the American Registry of Professional Animal Scientists' official journal.