Injectable in situ cross-linking hyaluronic acid/carboxymethyl cellulose based hydrogels for drug release

2018 ◽  
Vol 29 (13) ◽  
pp. 1643-1655 ◽  
Author(s):  
Shuang Deng ◽  
Xian Li ◽  
Wangkai Yang ◽  
Kewen He ◽  
Xu Ye
Author(s):  
Sanket Kumar ◽  
Mahesh Singh ◽  
Babulal Patel

Peptic ulcer, it is the most common type of stomach disease, according to the American Gastroenterology Association. “We know that ulcers occur because there has been a disruption in the balance of factors that injure the digestive tract and those factors that protect it from injury,” The present investigation deal with the formulation, optimization and evaluation of sodium alginate based in situ gel of ranitidine hydrochloride (R-HCl) in ulcer treatment. The in-situ formulation are homogenous liquid when administration orally and become gel at the contact site. The evaluation of the formulation is dependent upon accurate results obtained by analytical method used during the study. Accurate results require the use of standard and a calibration procedure. Hence, standard plots of Ranitidine hydrochloride were prepared in (0.1N HCL, pH 1.2) solutions. Two, sodium alginate and calcium carbonate used as a polymer and cross-linking agent respectively in the formulation of in-situ gel. From the IR studies it may be concluded that the drug and carriers used undergo physical interaction there is no chemical change, and thus the gelling agent, cross-linking agent and other excipient is suitable for formulation of in-situ gel of ranitidine hydrochloride. Indicate that the formulation, DKF9 which was prepared by the Sodium alginate (2 gm) with Ranitidine Hydrochloride showed minimum drug release (sustained drug release) after 8 hrs. It can be concluded that the In-situ gel was beneficial for delivering the drug which needs sustained release to achieve the slow action. Keywords: In-situ gel, Peptic Ulcer, Ranitidine Hydrochloride (R-HCl), Sodium alginate.


2019 ◽  
Vol 103 ◽  
pp. 109670 ◽  
Author(s):  
Nghi Thi-Phuong Nguyen ◽  
Long Vuong-Hoang Nguyen ◽  
Nam Minh-Phuong Tran ◽  
Dat Tan Nguyen ◽  
Tien Ngoc-Thuy Nguyen ◽  
...  

2019 ◽  
Vol 30 (12) ◽  
pp. 995-1007 ◽  
Author(s):  
Yufan Zhang ◽  
Xian Li ◽  
Nan Zhong ◽  
Yuanlin Huang ◽  
Kewen He ◽  
...  

Biomaterials ◽  
2014 ◽  
Vol 35 (12) ◽  
pp. 3903-3917 ◽  
Author(s):  
Ling Li ◽  
Ning Wang ◽  
Xun Jin ◽  
Rui Deng ◽  
Shihong Nie ◽  
...  

2020 ◽  
Vol 850 ◽  
pp. 242-248
Author(s):  
Artemijs Ščeglovs ◽  
Kristine Salma-Ancane

At this work hydrogel and composite hydrogel systems based on ԑ-polylysine (EPL), hyaluronic acid (HA) and nanocrystalline hydroxyapatite (nHAp) were synthesized via chemical cross-linking method followed by in situ precipitation of nHAp into hydrogel copolymer matrix. Molecular structure, phase composition and morphology of EPL-HA and EPL-HA/nHAp systems were investigated using Fourier transform infrared spectroscopy (FTIR), X-ray powder diffractometry (XRD) and scanning electron microscopy (SEM). The fabricated hydrogels and composite hydrogels were evaluated by hydrogels characteristics such as gel fraction and swelling behavior. This study provides a new insight to develop cutting-edge bioactive hydrogels and composite hydrogels for bone tissue engineering as injectable biomaterials due to beneficial properties of system components.


Biomaterials ◽  
2007 ◽  
Vol 28 (6) ◽  
pp. 975-983 ◽  
Author(s):  
Taichi Ito ◽  
Yoon Yeo ◽  
Christopher B. Highley ◽  
Evangelia Bellas ◽  
Carlos A. Benitez ◽  
...  

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Youming Deng ◽  
Jianan Ren ◽  
Guopu Chen ◽  
Guanwei Li ◽  
Xiuwen Wu ◽  
...  

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