TY - JOUR T1 - Carbon Nano-Onions in Biological Applications: Recent Progress and Future Directions TT - Biyolojik Uygulamalarda Karbon Nano-Onionlar: Güncel Gelişmeler ve Gelecek Perspektifleri AU - Soylukan, Caner AU - Karaduman Yesıldal, Tugce AU - Akyüz, Lalehan PY - 2025 DA - June Y2 - 2025 DO - 10.29002/asujse.1618704 JF - Aksaray University Journal of Science and Engineering JO - Aksaray J. Sci. Eng. PB - Aksaray University WT - DergiPark SN - 2587-1277 SP - 1 EP - 9 VL - 9 IS - 1 LA - en AB - Carbon nano-onions (CNOs), together with graphene and its derivatives, are one of the most interesting carbon nanostructures due to their peculiar chemical and physical properties. Made of a number of concentric fullerene layers, carbon-based structures have a peculiar design and assume the appearance of onion-like cages. Due to their excellent biocompatibility and safety, CNOs have low toxicity, high water dispersibility (due to surface functionalization), and high pharmacological efficacy. These properties render them highly appealing for applications such as drug delivery, sensing, imaging, tissue engineering, and therapeutic agents. While CNOs were discovered almost at the same time as other carbon nanomaterials (CNMs), their potential in biological applications remains largely unexplored. On the other hand, similar to other CNMs and fullerenes, CNOs play a crucial role as they represent carbon's ability to form diverse nanostructures with exceptional properties. This review aims to summarize recent studies on CNOs for biological applications, underlining the current achievements, possible opportunities, and challenges toward future development. KW - Carbon Nano-Onions (CNOs) KW - Biological Applications KW - Biocompatibility KW - Drug Delivery and Sensing KW - Nanostructure N2 - Karbon nano-soğanlar (CNO'lar), grafen ve türevleriyle birlikte, benzersiz kimyasal ve fiziksel özellikleri nedeniyle en ilgi çekici karbon nanoyapılarından biridir. Bir dizi konsantrik fuleren katmanından oluşan bu karbon bazlı yapılar, soğan benzeri kafesler şeklinde tasarlanmıştır. Yüksek biyouyumlulukları ve güvenlikleri sayesinde CNO'lar, düşük toksisite, yüzey fonksiyonelleştirme ile sağlanan iyi su dağılabilirliği ve yüksek farmakolojik etkinlik gibi özelliklere sahiptir. Bu özellikler, onları ilaç taşıma, algılama, görüntüleme, doku mühendisliği ve terapötik ajanlar gibi uygulamalar için son derece cazip kılmaktadır. CNO'lar, diğer karbon nanomalzemelerle (CNM'ler) hemen hemen aynı dönemde keşfedilmiş olmasına rağmen, biyolojik uygulamalardaki potansiyelleri büyük ölçüde keşfedilmemiştir. 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Nanomaterial surface modification toolkit: Principles, components, recipes, and applications. Adv Colloid Interface Sci, 322:103035. DOI: 10.1016/J.CIS.2023.103035 UR - https://doi.org/10.29002/asujse.1618704 L1 - https://dergipark.org.tr/en/download/article-file/4515983 ER -