Calcium Alginate Nanoparticles Synthesized Through a Novel Interfacial Cross-Linking Method as a Potential Protein Drug Delivery System

2012 ◽  
Vol 101 (6) ◽  
pp. 2177-2184 ◽  
Author(s):  
Jerry Nesamony ◽  
Priti R. Singh ◽  
Shadia E. Nada ◽  
Zahoor A. Shah ◽  
William M. Kolling
2020 ◽  
Author(s):  
Xuan Zhang ◽  
Yanjun Tong ◽  
Xiaomei Lyu ◽  
Jianfen Ye ◽  
Ruijin Yang

Biomaterials ◽  
2015 ◽  
Vol 68 ◽  
pp. 9-20 ◽  
Author(s):  
Neha Shrestha ◽  
Mohammad-Ali Shahbazi ◽  
Francisca Araújo ◽  
Ermei Mäkilä ◽  
Janne Raula ◽  
...  

2009 ◽  
Vol 344 (7) ◽  
pp. 908-914 ◽  
Author(s):  
Tie wei Wang ◽  
Qing Xu ◽  
Yan Wu ◽  
Ai jun Zeng ◽  
Mingjun Li ◽  
...  

Pharmaceutics ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 451 ◽  
Author(s):  
Ang ◽  
Darwis ◽  
Por ◽  
Yam

Curcuminoids have been long proven to possess antioxidant, anti-inflammatory and antibacterial properties which are crucial in their role as a pharmacological active agent. However, its poor solubility, high oxidative degradation, light sensitivity and poor bioavailability have been huge hurdles that need to be overcome for it to be administered as an oral or even a topical medication. In this present study, a complex coacervation microencapsulation approach was used to encapsulate the curcuminoids using both gelatin B and chitosan (at the optimum ratio of 30:1% w/w) for a more efficient drug delivery system. Curcuminoids microcapsules (CPM) were developed to be spherical in shape, discrete and free flowing with a reduced color staining effect. The thick wall of the CPM contributes directly to its integrity and stability. Cross-linking increases the density of polymers’ wall network, hence, further increasing the decomposition temperature of curcuminoids microcapsules. Microencapsulation demonstrated an increment in curcuminoids solubility, while chemical cross-linking allowed for sustained release of the drug from the microcapsules by lowering the swelling rate of the available polymer networks. Thus, the microcapsules complied with the zero order release kinetics with super case-II transport mechanism. On the basis of all that was discussed above, it can be safely concluded that CPM should be incorporated in delivery system of curcuminoid, especially in its topical delivery for controlled drug release purposes, for not only a more efficient drug delivery system design but also a more efficacious optimization of the pharmacological benefits of curcuminoids.


2015 ◽  
Vol 18 (3) ◽  
pp. 125-134
Author(s):  
Trang Thi Huyen Dinh ◽  
Hao Duc Nguyen ◽  
Hieu Van Le ◽  
Ha Thanh Ho

In study, insulin loaded chitosan nanoparticles were prepared via ionic gelation method using cross-linking agent sodium tripolyphosphate (STPP). To have best result for the preparation of nanoparticles, a commercial chitosan with a degree of deacetylation DD of 75 % was adjusted to 85 % - 90 % which was determined by FTIR method. The obtained deacetylated chitosan was studied for the effect of pH, concentration, ratio of chitosan and STPP. Then the insulin loaded chitosan TPP nanoparticles were prepared by ionic gelation method. These nanoparticles could deliver 91.6 % insulin at pH = 3.5, with the chitosan concentration of 1 mg/mL and the chitosan:STPP ratio of 4:1. The TEMs indicate that chitosan nanoparticles were spherical in shape and the particles size was smaller than 100 nm. Investigation of FTIR and entrapment efficiency assert that insulin loaded chitosan nanopartiles have been prepared and can become a drug delivery system via oral in the future.


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