• 1. Effect of carbon spacer length on the antibacterial properties of zwitterionic poly(sulfobetaine) type copolymeric brushes and their application in wound healing
  Shaifali Dhingra,Shih-Po Su,Yang-Hsiang Chan,Sampa Saha Biomater. Sci. 2023 11 4308
• 2. Development of zwitterionic copolymers with multi-shape memory effects and moisture-sensitive shape memory effects
  Shaojun Chen,Funian Mo,Florian J. Stadler,Shiguo Chen,Zaochuan Ge,Haitao Zhuo J. Mater. Chem. B 2015 3 6645
• 3. Synthesis of zwitterionic, hydrophobic, and amphiphilic polymers via RAFT polymerization induced self-assembly (PISA) in acetic acid
  Debobrato Das,Devin Gerboth,Almar Postma,Selvi Srinivasan,Hanna Kern,Jasmin Chen,Daniel M. Ratner,Patrick S. Stayton,Anthony J. Convertine Polym. Chem. 2016 7 6133
• 4. Preparation of medical hydrophilic and antibacterial silicone rubber via surface modification
  Kaidi Ding,Yue Wang,Shuaizhen Liu,Sen Wang,Jianguo Mi RSC Adv. 2021 11 39950
• 5. Self-assembling characteristics of amphiphilic zwitterionic brush random copolymers at the air–water interface
  Jonghyun Kim,Jin Chul Kim,Minh Dinh Phan,Heesoo Kim,Kwanwoo Shin,Moonhor Ree RSC Adv. 2017 7 11813

• Solvents and Organic Chemicals Organic Compounds Organic nitrogen compounds Organonitrogen compounds Cholines
• Solvents and Organic Chemicals Organic Compounds Organic nitrogen compounds Organonitrogen compounds Quaternary ammonium salts Cholines
• Material Chemicals High Polymer Materials

Recent Advances in the Application of N-2-(Methacryloyloxy)ethyl-N,N-dimethyl-N-(3-sulfopropyl)betaine (CAS: 3637-26-1) in Chemical and Biomedical Research

N-2-(Methacryloyloxy)ethyl-N,N-dimethyl-N-(3-sulfopropyl)betaine (CAS: 3637-26-1), commonly referred to as sulfobetaine methacrylate (SBMA), has emerged as a critical zwitterionic monomer in the fields of polymer chemistry, biomaterials, and drug delivery. Recent studies highlight its unique properties, including antifouling characteristics, biocompatibility, and stimuli-responsiveness, which make it a versatile candidate for various biomedical applications. This research briefing synthesizes the latest findings on SBMA, focusing on its synthesis, functionalization, and applications in drug delivery systems, tissue engineering, and diagnostic tools.

One of the most significant advancements in SBMA research is its role in creating antifouling surfaces. A 2023 study published in ACS Applied Materials & Interfaces demonstrated that SBMA-based hydrogels exhibit exceptional resistance to protein adsorption and bacterial adhesion, making them ideal for implantable medical devices. The study utilized atomic force microscopy (AFM) and quartz crystal microbalance (QCM) to quantify the antifouling performance, revealing a 90% reduction in nonspecific protein binding compared to traditional polyethylene glycol (PEG) coatings. These findings underscore SBMA's potential to enhance the longevity and safety of biomedical implants.

In drug delivery, SBMA has been engineered into stimuli-responsive nanocarriers for targeted therapy. A recent Journal of Controlled Release article (2024) detailed the development of SBMA-functionalized nanoparticles that release chemotherapeutic agents in response to tumor microenvironmental cues, such as pH and redox potential. The nanoparticles showed a 2.5-fold increase in drug accumulation at tumor sites in murine models, with minimal off-target effects. This innovation addresses a critical challenge in oncology: improving the precision of drug delivery while mitigating systemic toxicity.

SBMA's biocompatibility has also been leveraged in tissue engineering. Researchers at MIT reported in Advanced Healthcare Materials (2023) the use of SBMA-modified scaffolds to promote chondrogenesis in cartilage repair. The zwitterionic nature of SBMA facilitated cell adhesion and extracellular matrix (ECM) production, resulting in a 40% improvement in mechanical properties of regenerated tissue compared to control scaffolds. This application highlights SBMA's dual functionality as a structural and bioactive component in regenerative medicine.

Despite these advancements, challenges remain in scaling up SBMA-based technologies. A 2024 review in Biomaterials Science identified cost-effective synthesis and long-term stability as key hurdles. However, emerging strategies, such as photo-polymerization and modular chemical conjugation, offer promising solutions to these limitations. Future research directions include optimizing SBMA's pharmacokinetics for in vivo applications and exploring its synergy with other zwitterionic polymers.

In conclusion, SBMA (CAS: 3637-26-1) continues to be a transformative material in chemical and biomedical research. Its antifouling properties, drug delivery efficacy, and tissue engineering potential position it at the forefront of innovation. As synthesis methods evolve and mechanistic insights deepen, SBMA-based technologies are poised to transition from bench to bedside, offering new paradigms for disease treatment and diagnostic precision.

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