Programa de Doctorat en Polímers i Biopolímers: Recent submissions
Now showing items 41-60 of 91
Nanostructured coatings for controlling bacterial biofilms and antibiotic resistance
The accelerated emergence of drug resistant bacteria is one of the most serious problems in healthcare and the difficulties in finding new antibiotics make it even more challenging. To overcome the action of antibiotics ...
Study of the monofilar suture based on the segmented copolymer GL-b-(GL-co-TMC-co-CL-)-b-GL thermal behavior, degradability and incorporation of active agents : polymers and biopolymers
Biomaterials based on block segmented copolymers constituted by hard and soft segments have attracted much attention for biomedical applications in the last decades, specifically as absorbable monofilament sutures. ...
Vibrational spectroscopies study of Pinus resin in materials from cultural heritage objects
Many historical objects have coatings or varnish layers on the surface. In order to determine their conservation and historical contextualization is necessary to know its origin, why they were applied, the application ...
Surface nano-structured materials to control bacterial contamination
The spread of bacteria and infections, initially associated with an increased number of hospital-acquired infections, has now extended into the community causing severe and difficult to treat diseases. Additionally, many ...
Structural studies of AT-rich DNA
Non-coding DNA is rich in adenines and thymines. Their unique properties, such as high polymorphism, flexibility, transitional states that lead to DNA hairpin formation and the possibility to adopt either Watson-Crick or ...
Synthesis, characterization and biomedical applications of biodegradable poly(ester amide)s and related polymers
Synthetic biopolymers have attracted considerable attention in the last decades in the biomedical field. Poly(ester amide)s are a family of biodegradable polymers that can be tailored for specific applications due to the ...
Síntesis y caracterización de un nuevo polímero conductor basado en biimidazol para pilas de combustible de electrolito polimérico
En esta tesis se sintetiza y caracteriza un nuevo polímero basado en el biimidazol, el poli[4-4'(p-fenilen)-2,2'bi-1H-imidazol] (PBII), con el objetivo de evaluar su viabilidad como polímero conductor en membranas de pilas ...
Ionic copolyesters and their nanocomposites: synthesis, characterization and properties
A polymer containing small amounts of ionic groups either along the polymer backbone chains or as pendant groups is defined as ionomer. As originally proposed by Eisenberg, the interaction between ionic groups leads to the ...
Design and bioapplication of nanointerfaces based on conducting polymers
This Thesis reports the fabrication and characterization of interfaces based on conducting polymers (CPs), which are designed with at least one dimension in the nanometric scale, for bioapplications such as scaffolds for ...
Crystallization, processing and applications of new polyesters
Poly(alkylene dicarboxylate)s constitute a family of biodegradable polymers with increasing interest for both commodity and speciality applications. The most of these polymers can be prepared from biobased diols and ...
Estudis estructurals de complexos de les proteïnes HMG amb DNA
High Mobility Group proteins (HMG) are architectural factors involved in modulating chromatin structure and influencing a myriad of cellular processes such as transcription, replication and DNA repair. Altered levels of ...
Advanced electrospun scaffolds based on biodegradable polylactide and poly(butylene succinate) for controlled drug delivery and tissue engineering
Electrospinning is a manufacturing process that uses an electric field to produce fibers from a polymer solution. The accumulation of these fibers conform a three-dimensional fiber matrix or scaffold. Fibers can be prepared ...
Cyclic derivatives of D-glucose and tartaric acid as building blocks for renewable polyesters
Three series of aromatic copolyesters derived from poly(ethylene terephthalate) (PET), poly(butylene terephthalate) (PBT) and poly(hexamethylene terephthalate) (PHT) have been synthesized by melt polycondensation in which ...
Conducting polymers and hybrid derivates with specific applications as sensors and bioactive platforms
The principal focus of this Thesis is the development and design of promising hybrid nanocomposites based on conducting polymers with the main objective of achieving applications in the field of biotechnology and biomedicine. ...
Ionic complexes of biodegradable polyelectrolytes
Biopolymers are polymers produced by living organisms. A more broad classification would embrace also those polymers synthesized from renewable sources which are able to display biodegradability. The demand of biopolymers ...
Membranas poliméricas íon seletivas aniônicas e catiônicas para uso em eletrodiálise
The main objective of this Thesis is the development of anionic and cationic polymeric membranes for treatment of solution containing metallic ions using electrodialysis process. In this work were synthesized cationic ...
Revestimientos a base de sílica e ácido fosfônico para proteção anticorrosiva da liga de alumínio AA2024-T3
The aluminum alloy AA2024-T3, u sed extensively in the aerospace industry, dueto the heterogeneous microstructures intentionally designed to optím ize the m echanical properties, is very susceptible to localízed corros ...
Bio-based polyesters from cyclic monomers derived from carbohydrates
Polyesters are extremely versatile polymers which can be used in a wide variety of applications ranging from high performance materials to recyclable and degradable polymers. The preparation of polyesters from renewable ...
Modification of microbial polyacids for drug delivery systems
Polymers are becoming preferred materials in biomedical applications because of their vast diversity of properties, functionalities and applications. Properties as mechanical strength, stability against degradation, ...
Application of conducting polymers in nanobiotechnology
Esta tesis describe diferentes aplicaciones en el ámbito de la nanobiotecnología de los polímeros conductores generados electroquímicamente. El objetivo principal de la Tesis, que además es el nexo común de los diferentes ...
