Ball-milled graphene quantum dots for enhanced anti-cancer drug delivery

نویسندگان

چکیده

Graphene quantum dots (GQDs) exhibit excellent opto-electronic properties along with fine-tunable structure and surface properties, which have made them versatile drug carriers. Here GQDs were prepared using carbon black as precursor through oxidation ball-milling. The found to be nano-sized, oxidized, water-soluble highly fluorescent. extremely biocompatible against the tested cell lines namely: LO2, HeLa, PC-12 MCF-7 uptaken by cancer cells in greater amounts increased concentrations incubation times. B-Lapachone, an anti-cancer hydrophobic drug, was loaded onto pi-pi bonding for its release profile dialysis. released at a significantly higher rate acidic pH specifically, compared normal cell's relative alkaline pH. GQD-drug conjugate enhanced cytotoxicity free from MTT assay. In whole, sized-down GQDs, having biocompatibility photostability delivery has been designed tested.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Enhancing Cell Nucleus Accumulation and DNA Cleavage Activity of Anti-Cancer Drug via Graphene Quantum Dots

Graphene quantum dots (GQDs) maintain the intrinsic layered structural motif of graphene but with smaller lateral size and abundant periphery carboxylic groups, and are more compatible with biological system, thus are promising nanomaterials for therapeutic applications. Here we show that GQDs have a superb ability in drug delivery and anti-cancer activity boost without any pre-modification due...

متن کامل

Fluorescent Contrast agent Based on Graphene Quantum Dots Decorated Mesoporous Silica Nanoparticles for Detecting and Sorting Cancer Cells

Background and Objectives: The inability of classic fluorescence-activated cell sorting to single cancer cell sorting is one of the most significant drawbacks of this method. The sorting of cancer cells in microdroplets significantly influences our ability to analyze cancer cell proteins. Material and Methods: We adapted a developed microfluidic device as a 3D in vitro model to sorted MCF-7 c...

متن کامل

Emerging application of quantum dots for drug delivery and therapy.

Quantum dots have proven themselves as powerful fluorescent probes, especially for long-term, multiplexed, and quantitative imaging and detection. Newly engineered quantum dots with integrated targeting, imaging and therapeutic functionalities have become excellent material to study drug delivery in cells and small animals. This fluorescent 'prototype' will provide important information in the ...

متن کامل

Fluorescent graphene quantum dots as traceable, pH-sensitive drug delivery systems.

Graphene quantum dots (GQDs) were rationally fabricated as a traceable drug delivery system for the targeted, pH-sensitive delivery of a chemotherapeutic drug into cancer cells. The GQDs served as fluorescent carriers for a well-known anticancer drug, doxorubicin (Dox). The whole system has the capacity for simultaneous tracking of the carrier and of drug release. Dox release is triggered upon ...

متن کامل

Graphene Quantum Dots-Coated Bismuth Nanoparticles for X-ray CT Imaging-Guided Photothermal therapy of Cancer Cells

Introduction: Theranostic nanoparticles, which integrate both diagnostic and therapeutic capabilities into one nanoagent, has great promise to ablate more effective tumoral tissue by optimizing and real-time monitoring treatment interventions, as well as monitoring therapeutic response to corresponding effect. Multifunctional theranostic nanoagent based on graphene quantum dots...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: OpenNano

سال: 2022

ISSN: ['2352-9520']

DOI: https://doi.org/10.1016/j.onano.2022.100072