ABSTRACT
@#Carbon nanomaterials are one of the hotspots in the research of drug delivery systems for cancer. Compared with the traditional drug delivery systems for cancer treatment, carbon nanomaterials can be used as drug carriers after modification based on their advantages of large specific surface area and unique optical properties. They have the characteristics of high drug loading, good biocompatibility, tumor targeting and lasting action time, indicating great potential and development space. In this paper, the properties and functions of quantum dots, carbon nanotubes, graphene oxide and mesoporous carbon nanospheres are introduced in the order of dimensional quantum properties. The current research focus and existing problems of carbon nanomaterials are discussed in order to provide a reference for the safe and effective application of carbon nanomaterials in tumor therapy.
ABSTRACT
Early diagnosis and treatment of cancer have always been the focus of attention.The rapid development of nanotechnology brings new hope for early diagnosis and highly effective non-toxic drug treatment of cancer.Through the construction of stable,low toxicity and high-performance carrier,which is combined with anti-cancer drugs and molecular probes to improve the distribution and metabolism of drugs in the body,targeted transport and tracer in vivo effect can achieved.Carbon nanomaterials have become a hot spot in drug carrier research with their unique structure and excellent properties.The progresses of different types of carbon nanomaterials in cancer diagnosis and treatment were reviewed in this article.
ABSTRACT
The low sensitivity of microbial fuel cell ( MFC)-biosensor is one of the bottlenecks in its practical application. To investigate the effect of anode electrode modified with carbon nanomaterials on the sensitivity of water toxicity detection of MFC-based biosensor, graphite felts ( GF ) were modified using two carbon nanomaterials of multi-walled carbon nanotubes ( MWNT ) and conductive carbon black ( GCB ) . MFC biosensors were started up with the anode electrodes, and the results showed that resistance of the GCB and MWNT-modified electrode was smaller than that of unmodified electrode, and the order of MFC power output was GCB/GF-MFC (2. 63 W/m2)>MWNT/GF-MFC (2. 56 W/m2)>GF-MFC (2. 09 W/m2). Then, 3, 5-dichlorophenol poison ( DCP) was used as a model toxicant in toxicity test, the order of toxicity inhibition ratios of 10 mg/L DCP to three MFC biosensor was MWNT/GF-MFC (31. 8% )>GCB/GF-MFC (26. 3% )>GF-MFC (20. 1% ). The sensitivity for toxicity detection by MFC biosensors with anode electrode modified with carbon nanomaterials was improved, and MWNT/GF-MFC had the highest sensitivity. The result of the study may promote the application of MFC biosensor in water pollution monitoring.