pH-Triggered release of gemcitabine from polymer coated nanodiamonds fabricated by RAFT polymerization and copper free click chemistry

2016 ◽  
Vol 7 (40) ◽  
pp. 6220-6230 ◽  
Author(s):  
Haiwang Lai ◽  
Mingxia Lu ◽  
Hongxu Lu ◽  
Martina H. Stenzel ◽  
Pu Xiao
Keyword(s):  
Drug Delivery ◽  
Pancreatic Cancer ◽  
Click Chemistry ◽  
Raft Polymerization ◽  
Stimuli Responsive ◽  
Triggered Release

Prodrug (gemcitabine)-based polymer coated nanodiamonds as stimuli-responsive drug delivery platforms for the treatment of pancreatic cancer.

“Click” functionalization of dual stimuli-responsive polymer nanocapsules for drug delivery systems

2017 ◽  
Vol 8 (20) ◽  
pp. 3056-3065 ◽  
Author(s):  
Wen Jing Yang ◽  
Tingting Zhao ◽  
Peng Zhou ◽  
Simou Chen ◽  
Yu Gao ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Click Chemistry ◽  
Surface Functionalization ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Stimuli Responsive ◽  
Responsive Polymer ◽  
Stimuli Responsive Polymer

“Clickable” and dual stimuli-responsive nanocapsules were developed for facile surface functionalizationviathiol–yne click chemistry and employed as drug nano-carriers.

Magnetic stimuli-responsive chitosan-based drug delivery biocomposite for multiple triggered release

2017 ◽  
Vol 104 ◽  
pp. 1407-1414 ◽  
Author(s):  
Michael Harris ◽  
Hamza Ahmed ◽  
Brandico Barr ◽  
David LeVine ◽  
Leslie Pace ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Stimuli Responsive ◽  
Triggered Release

Liposomes as colloidal nanovehicles: on the road to success in intravenous drug delivery

2018 ◽  
Vol 34 (3) ◽  
pp. 365-383 ◽  
Author(s):  
Sumaira Naeem ◽  
Geetha Viswanathan ◽  
Misni Bin Misran
Keyword(s):  
Drug Delivery ◽  
Drug Loading ◽  
Delivery Systems ◽  
Stimuli Responsive ◽  
Colloidal Systems ◽  
Triggered Release ◽  
The Road ◽  
On The Road

AbstractThe advancement of research in colloidal systems has led to the increased application of this technology in more effective and targeted drug delivery. Nanotechnology enables control over functionality parameters and allows innovations in biodegradable, biocompatible, and stimuli-responsive delivery systems. The first closed bilayer phospholipid system, the liposome system, has been making steady progress over five decades of extensive research and has been efficient in achieving many desirable parameters such as remote drug loading, size-controlling measures, longer circulation half-lives, and triggered release. Liposome-mediated drug delivery has been successful in overcoming obstacles to cellular and tissue uptake of drugs with improved biodistributionin vitroandin vivo. These colloidal nanovehicles have moved on from a mere concept to clinical applications in various drug delivery systems for antifungal, antibiotic, and anticancer drugs.

scholarly journals Recent Advancements in Stimuli Responsive Drug Delivery Platforms for Active and Passive Cancer Targeting

Cancers ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 670
Author(s):  
Muhammad Abdur Rahim ◽  
Nasrullah Jan ◽  
Safiullah Khan ◽  
Hassan Shah ◽  
Asadullah Madni ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Cancer Cells ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Chemotherapeutic Agents ◽  
Stimuli Responsive ◽  
Triggered Release ◽  
Dynamic Simulations ◽  
Normal Cells ◽  
Passive Targeting

The tumor-specific targeting of chemotherapeutic agents for specific necrosis of cancer cells without affecting the normal cells poses a great challenge for researchers and scientists. Though extensive research has been carried out to investigate chemotherapy-based targeted drug delivery, the identification of the most promising strategy capable of bypassing non-specific cytotoxicity is still a major concern. Recent advancements in the arena of onco-targeted therapies have enabled safe and effective tumor-specific localization through stimuli-responsive drug delivery systems. Owing to their promising characteristic features, stimuli-responsive drug delivery platforms have revolutionized the chemotherapy-based treatments with added benefits of enhanced bioavailability and selective cytotoxicity of cancer cells compared to the conventional modalities. The insensitivity of stimuli-responsive drug delivery platforms when exposed to normal cells prevents the release of cytotoxic drugs into the normal cells and therefore alleviates the off-target events associated with chemotherapy. Contrastingly, they showed amplified sensitivity and triggered release of chemotherapeutic payload when internalized into the tumor microenvironment causing maximum cytotoxic responses and the induction of cancer cell necrosis. This review focuses on the physical stimuli-responsive drug delivery systems and chemical stimuli-responsive drug delivery systems for triggered cancer chemotherapy through active and/or passive targeting. Moreover, the review also provided a brief insight into the molecular dynamic simulations associated with stimuli-based tumor targeting.

The Smart Dual-Stimuli Responsive Nanoparticles for Controlled AntiTumor Drug Release and Cancer Therapy

2020 ◽  
Vol 20 ◽  
Author(s):  
Feng Wu ◽  
Fei Qiu ◽  
Siew Anthony Wai-Keong ◽  
Yong Diao
Keyword(s):  
Drug Delivery ◽  
Cancer Therapy ◽  
Drug Release ◽  
Targeted Delivery ◽  
Relevant Information ◽  
Therapeutic Effects ◽  
Stimuli Responsive ◽  
Control Effect ◽  
Chemotherapy Drugs ◽  
Excellent Control

Background: In recent years, the emergence of stimuli-responsive nanoparticles makes drug delivery more efficient. As an intelligent and effective targeted delivery platform, it can reduce the side effects generated during drug transportation while enhancing the treatment efficacy. The stimuli-responsive nanoparticles can respond to different stimuli at corresponding times and locations to deliver and release their drugs and associated therapeutic effects. Objective: This review aims to inform researchers on the latest advances in the application of dual-stimuli responsive nanoparticles in precise drug delivery, with special attention to their design, drug release properties, and therapeutic effects. Syntheses of nanoparticles with simultaneous or sequential responses to two or more stimuli (pH-redox, pH-light, redoxlight, temperature-magnetic, pH-redox-temperature, redox-enzyme-light, etc.) and the applications of such responsivity properties for drugs control and release have become a hot topic of recent research. Methods: A database of relevant information for the production of this review was sourced, screened and analyzed from Pubmed, Web of Science, SciFinder by searching for the following keywords: “dual-stimuli responsive”, “controlled release”, “cancer therapy”, “synergistic treatment”. Results: Notably, the nanoparticles with dual-stimuli responsive function have an excellent control effect on drug delivery and release, playing a crucial part in the treatment of tumors. They can improve the encapsulation and delivery efficiency of hydrophobic chemotherapy drugs, combine chemo-photothermal therapies, apply imaging function in the diagnosis of tumors and even conduct multi-drugs delivery to overcome multi-drugs resistance (MDR). Conclusion: With the development of smart dual-stimuli responsive nanoparticles, cancer treatment methods will become more diverse and effective. All the stimuli-responsive nanoparticles functionalities exhibited their characteristics individually within the single nanosystem.

Advanced Hydrogels Based Drug Delivery Systems for Ophthalmic Delivery

2020 ◽  
Vol 13 (4) ◽  
pp. 291-300 ◽  
Author(s):  
Srividya Gorantla ◽  
Tejashree Waghule ◽  
Vamshi Krishna Rapalli ◽  
Prem Prakash Singh ◽  
Sunil Kumar Dubey ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Age Related Macular Degeneration ◽  
Stimuli Responsive ◽  
Duration Of Action ◽  
Age Related ◽  
Aqueous Gels ◽  
Ophthalmic Delivery ◽  
3D Printed

Hydrogels are aqueous gels composed of cross-linked networks of hydrophilic polymers. Stimuli-responsive based hydrogels have gained focus over the past 20 years for treating ophthalmic diseases. Different stimuli-responsive mechanisms are involved in forming polymer hydrogel networks, including change in temperature, pH, ions, and others including light, thrombin, pressure, antigen, and glucose-responsive. Incorporation of nanocarriers with these smart stimuli-responsive drug delivery systems that can extend the duration of action by increasing ocular bioavailability and reducing the dosing frequency. This review will focus on the hydrogel drug delivery systems highlighting the gelling mechanisms and emerging stimuli-responsive hydrogels from preformed gels, nanogels, and the role of advanced 3D printed hydrogels in vision-threatening diseases like age-related macular degeneration and retinitis pigmentosa. It also provides insight into the limitations of hydrogels along with the safety and biocompatibility of the hydrogel drug delivery systems.

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