In Vitro Degradation of an Aromatic Polyanhydride with Enhanced Thermal Properties [0.03%]
一种具有增强热性能的芳香族聚酐的体外降解行为研究
Sabrina S Snyder,Theodore J Anastasiou,Kathryn E Uhrich
Sabrina S Snyder
Polyanhydrides have been studied as a drug delivery vehicles due to their surface-eroding behavior which results in zero-order release. However, many polyanhyrides have thermal and solubility properties that make them difficult to formulate...
E Cipriani,P Bracco,S M Kurtz et al.
E Cipriani et al.
Fourteen explanted Dynesys® spinal devices were analyzed for biostability and compared with a reference, never implanted, control. Both poly(carbonate-urethane) (PCU) spacers and polyethylene-terephthalate (PET) cords were analyzed. The ef...
Photochromic copolymers containing 3-indolylfulgides/indolylfulgimides: synthesis and photochemical properties in toluene and as films [0.03%]
含3-吲哚基富尔基德/吲哚基富尔米德的变色共聚物：甲苯中及膜状时的合成与光化学性质研究
Nadezhda I Islamova,Xi Chen,Changjun Fan et al.
Nadezhda I Islamova et al.
Photochromic indolylfulgimides covalently attached to polymers have beneficial properties for optical switching. A 3-indolylfulgide and two 3-indolylfulgimides with one or two polymerizable styrene groups attached on the nitrogen atom(s) we...
Impact of ionizing radiation on physicochemical and biological properties of an amphiphilic macromolecule [0.03%]
离子辐射对两亲性高分子物理化学及生物性质的影响研究
Li Gu,Kyle Zablocki,Linda Lavelle et al.
Li Gu et al.
An amphiphilic macromolecule (AM) was exposed to ionizing radiation (both electron beam and gamma) at doses of 25 kGy and 50 kGy to study the impact of these sterilization methods on the physicochemical properties and bioactivity of the AM....
Multiscale analysis of water uptake and erosion in biodegradable polyarylates [0.03%]
生物降解聚芳酯吸水性和侵蚀性的多尺度分析方法研究
Loreto M Valenzuela,Guojin Zhang,Carol Flach et al.
Loreto M Valenzuela et al.
The role of hydration in degradation and erosion of materials, especially biomaterials used in scaffolds and implants, was investigated by studying the distribution of water at length scales from 0.1 nm to 0.1 mm using Raman spectroscopy, s...
Stability of a salicylate-based poly(anhydride-ester) to electron beam and gamma radiation [0.03%]
基于水杨酸的聚(酐-酯)类高分子材料的电子束和γ射线稳定性研究
Roselin Rosario-Meléndez,Linda Lavelle,Stanko Bodnar et al.
Roselin Rosario-Meléndez et al.
The effect of electron beam and gamma radiation on the physicochemical properties of a salicylate-based poly(anhydride-ester) was studied by exposing polymers to 0 (control), 25 and 50 kGy. After radiation exposure, salicylic acid release i...
Brittany M Deronde,Ashley L Carbone,Kathryn E Uhrich
Brittany M Deronde
Storage stability was evaluated on a biodegradable salicylate-based poly(anhydride-ester) to elucidate the effects of storage conditions over time. The hydrolytically labile polymer samples were stored in powdered form at five relevant stor...