The impermeable barrier of solid tumors due to the complexity of their components limits the treatment effect of nanomedicine and hinders its clinical translation. Several methods are available to increase the penetrability of nanomedicine, yet they are too complex to be effective, operational, or practical. Surface modification employs the characteristics of direct contact between multiphase surfaces to achieve the most direct and efficient penetration of solid tumors. Furthermore, their simple operation makes their use feasible. In this review, the latest surface modification strategies for the penetration of nanomedicine into solid tumors are summarized and classified into "bulldozer strategies" and "mouse strategies." Additionally, the evaluation methods, existing problems, and the development prospects of these technologies are discussed.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7788636 | PMC |
http://dx.doi.org/10.1002/advs.202002589 | DOI Listing |
Sci Rep
December 2024
Department of Mechanical Engineering, Sejong University, Seoul, Republic of Korea.
Nonthermal plasma has been extensively utilized in various biomedical fields, including surface engineering of medical implants to enhance their biocompatibility and osseointegration. To ensure robustness and cost effectiveness for commercial viability, stable and effective plasma is required, which can be achieved by reducing gas pressure in a controlled volume. Here, we explored the impact of reduced gas pressure on plasma properties, surface characteristics of plasma-treated implants, and subsequent biological outcomes.
View Article and Find Full Text PDFNat Commun
December 2024
Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea.
Oxidative modifications can disrupt protein folds and functions, and are strongly associated with human aging and diseases. Conventional oxidation pathways typically involve the free diffusion of reactive oxygen species (ROS), which primarily attack the protein surface. Yet, it remains unclear whether and how internal protein folds capable of trapping oxygen (O) contribute to oxidative damage.
View Article and Find Full Text PDFInt J Biol Macromol
December 2024
Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan 430068, China.
A bioinspired method for surface modification of nanocellulose has been proposed, drawing inspiration from the lignification process in plant cell walls. Unlike traditional methods for synthesizing dehydrogenation polymers (DHPs) of lignin, this study innovatively prepared a water-soluble DHPs precursor, coniferin, which underwent homogeneous polymerization catalyzed by peroxidase to generate DHPs that adhered to the surface of nanocellulose. Modified nanocellulose was then filtered into membranes, and the presence of DHPs increased the water contact angle, achieving high hydrophobicity with little DHPs content.
View Article and Find Full Text PDFBiomaterials
December 2024
Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan, 430072, PR China. Electronic address:
Screening robust living bacteria to produce living biotherapeutic products (LBPs) represents a burgeoning research field in biomedical applications. Despite their natural abilities to colonize bio-interfaces and proliferate, harnessing bacteria for such applications is hindered by considerable challenges in unsatisfied functionalities and safety concerns. Leveraging the high degree of customization and adaptability on the surface of bacteria demonstrates significant potential to improve therapeutic outcomes and achieve tailored functionalities of LBPs.
View Article and Find Full Text PDF3D Print Addit Manuf
December 2024
Institute of Materials Science and Engineering, Faculty of Mechanical Engineering, Lodz University of Technology, Łódź, Poland.
Fused Filament Fabrication (FFF) printing is one of the most all-purpose manufacturing techniques, allowing many complicated parts to be obtained at lower cost. This is especially important in prosthetics, where more complex prostheses, especially of a hand, can cause enormous expense. However, providing the full functionality of a prosthesis often requires combining materials with different properties, such as rigidity and flexibility.
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