The influence of freeze-thawing conditions on swelling and long-term stability properties of poly(vinyl alcohol) hydrogels for controlled drug release

2021 ◽  
Author(s):  
F. Boran
Keyword(s):  
Drug Release ◽  
Vinyl Alcohol ◽  
Controlled Drug Release ◽  
Poly Vinyl Alcohol ◽  
Stability Properties ◽  
Term Stability ◽  
Long Term Stability

Influence of a blend of guar gum and poly(vinyl alcohol) on long term stability, and antibacterial and antioxidant efficacies of silver nanoparticles

RSC Advances ◽  
2015 ◽  
Vol 5 (67) ◽  
pp. 54059-54069 ◽  
Author(s):  
Tamalika Das ◽  
Sabina Yeasmin ◽  
Somanjana Khatua ◽  
Krishnendu Acharya ◽  
Abhijit Bandyopadhyay
Keyword(s):  
Silver Nanoparticles ◽  
Vinyl Alcohol ◽  
Guar Gum ◽  
Antioxidant Properties ◽  
Poly Vinyl Alcohol ◽  
Term Stability ◽  
Long Term Stability

A blend of guar gum and poly(vinyl alcohol) reduced and stabilized incipient silver nanoparticles which could be stored for 60 days. Silver nanoparticles also exhibited good antibacterial and antioxidant properties.

Improvements in the long-term stability of a LiCl dew-point sensor using cross-linked porous poly(vinyl alcohol) film

2004 ◽  
Vol 97 (1) ◽  
pp. 74-80 ◽  
Author(s):  
Masanobu Matsuguchi ◽  
Toshiyuki Uno ◽  
Ayumi Yamanaka ◽  
Takaaki Kuroiwa ◽  
Tsutomu Ogura ◽  
...  
Keyword(s):  
Vinyl Alcohol ◽  
Dew Point ◽  
Poly Vinyl Alcohol ◽  
Term Stability ◽  
Long Term Stability ◽  
Porous Poly

Poly(vinyl alcohol co-vinyl acetate) as a novel scaffold for mammalian cell culture and controlled drug release

2019 ◽  
Vol 54 (10) ◽  
pp. 7867-7882
Author(s):  
Francisca Villanueva-Flores ◽  
Margarita Miranda-Hernández ◽  
José O. Flores-Flores ◽  
Alberto Porras-Sanjuanico ◽  
Hailin Hu ◽  
...  
Keyword(s):  
Cell Culture ◽  
Drug Release ◽  
Vinyl Acetate ◽  
Mammalian Cell ◽  
Vinyl Alcohol ◽  
Mammalian Cell Culture ◽  
Controlled Drug Release ◽  
Poly Vinyl Alcohol ◽  
Novel Scaffold

scholarly journals Long-term stabilization of hydrogen peroxide by poly(vinyl alcohol) on paper-based analytical devices

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Tuchpongpuch Boonpoempoon ◽  
Wanida Wonsawat ◽  
Takashi Kaneta
Keyword(s):  
Hydrogen Peroxide ◽  
Vinyl Alcohol ◽  
Point Of Care ◽  
Enzymatic Reaction ◽  
Poly Vinyl Alcohol ◽  
Paper Substrate ◽  
Long Term Stability ◽  
Colorimetric Measurements ◽  
The Stability

Abstract Stabilizing reagents that can be deposited onto paper is an important issue for researchers who depend on paper-based analytical devices (PADs), because long-term stability of the devices is essential in point-of-care testing. Here, we found that poly(vinyl alcohol) (PVA) would stabilize hydrogen peroxide placed on a paper substrate following exposure to air. Horseradish peroxidase was employed as a sample in colorimetric measurements of PADs after hydrogen peroxide and 3,3′,5,5′-tetramethylbenzidine were deposited as substrates in an enzymatic reaction. The addition of PVA to hydrogen peroxide significantly suppressed its degradation. Concentrations of PVA that ranged from 0.5 to 2%, increased the duration of the stability of hydrogen peroxide, and the results for a PVA concentration of 1% approximated those of 2% PVA. Storage of the PADs at 4 °C in a refrigerator extended the stability of the hydrogen peroxide containing 2% PVA by as much as 30 days. The stability of hydrogen peroxide without PVA was degraded after one day under room temperature.

Controlled drug release through carboxymethyl-chitosan/poly(vinyl alcohol) blend films

2007 ◽  
Vol 47 (9) ◽  
pp. 1373-1379 ◽  
Author(s):  
Ling-Chong Wang ◽  
Xi-Guang Chen ◽  
Le-Jun Yu ◽  
Pi-Wu Li
Keyword(s):  
Drug Release ◽  
Vinyl Alcohol ◽  
Controlled Drug Release ◽  
Carboxymethyl Chitosan ◽  
Poly Vinyl Alcohol ◽  
Blend Films
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