Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 48 for “"poly(D"”.
-
Synthesis of Higher Molecular Weight Poly(D-glucaramides) and Poly(aldaramides) as Novel Gel Forming Agents
<p>Poly(alkylene D-glucaramides) with higher molecular weights than previously reported were prepared through a multi-step process beginning with 1:1 alkylenediammonium D-glucarate salts. These salts set a precise stoichiometric equivalence between co-monomers, a necessary requirement for higher …
-
Synthesis of Higher Molecular Weight Poly(D-glucaramides) and Poly(aldaramides) as Novel Gel Forming Agents
<p>Poly(alkylene D-glucaramides) with higher molecular weights than previously reported were prepared through a multi-step process beginning with 1:1 alkylenediammonium D-glucarate salts. These salts set a precise stoichiometric equivalence between co-monomers, a necessary requirement for higher …
-
Study of poly (l-lactic acid)/poly (d-lactic acid) stereocomplex as nucleating agent for poly (l- lactic acid) crystallization
Poly (lactic acid) (PLA) is a biodegradable polymer with good renewability and processability. However, it has some drawbacks. The Poly (lactic acid) (PLA) stereocomplex formed via the interaction between optical isomers Poly (L-lactic acid) (PLLA) and Poly (D-lactic acid) (PDLA), provides …
-
Preparation and Characterization of Electrospun Poly(D, L-Lactide-Co-Glycolide) Scaffolds for Vascular Tissue Engineering and the Advancement of an In Vitro Blood Brain Barrier Model
… Tissue Engineering laboratory at the California Polytechnic State University, San Luis Obispo is currently in the process of developing a dynamic <em>in vitro</em> blood brain barrier model that will implement an in-house fabricated electrospun PLGA scaffold pressure sodded with C6 glial cells …
-
Topologically constrained DNA intercalators: Synthesis and DNA binding studies
… 31 dissociates 10 to 40 times slower from poly(d(A-T)) $\sb2$ and poly(d(G-C)) $\sb2$ than its analogous mono-linked analogue, spermine diacridine (7). $\sp1$H NMR studies of 31 complexed to d(CGCG)$\sb2$ indicate that the macrocycle binds to DNA by formation of a catenated complex in which …
-
3D scaffolds for tissue engineering produced by microfabrication technology
… using an in-house built microfabrication system. Poly(D,L-lactic acid) (PDLA), poly(D,L-lactic-co-glycolic acid) (PLGA) and chitosan scaffolds presenting homogeneously distributed 100 Âμm size pores were fabricated. Fabrication consisted in a layer by layer deposition of filaments of PDLA and …
-
Induktion und Prophylaxe Implantat assoziierter Knocheninfektionen am Modell eines antiinfektiv beschichteten Marknagels
… stable, antibacterial gentamicin-loaded poly-(D,L-lactide) (PDLLA) coating of orthopedic devices. In vitro, elution kinetics of gentamicin and furthermore, biocompatibility and effectiveness in preventing implant-related osteomyelitis should be studied in vivo. Coating of commercial steel …
-
Lamination of a biodegradable polymeric microchip
This work builds on the initial design of a polymer microchip for controlled-release drug delivery. Currently, the microchip employs a nonbiodegradable sealant layer, and the new design aims to fabricate it only of biodegradable parts. Experiments were conducted to evaluate two potential designs …
-
Development of particle-based systems for the delivery of oligonucleotides into primary dendritic cells
… system consisting of carboxylate-modified polystyrene microspheres (MS) coated with a short cationic peptide (O10H6) was shown to effectively deliver ODN to DCs. The MS serves to stabilize O10H6 and ODN complexation and remains a colloidal dispersion upon addition of condensates. …
-
Coaxial double-walled microspheres for drug and gene delivery applications
Polymeric double-walled microspheres were developed by coaxial electrohydrodynamic atomization (CEHDA) and precision particle fabrication (PPF) techniques. Here, we focus on double-walled microspheres consisting of a poly(D,L-lactic-co-glycolic acid) (PLGA) core surrounded by a poly(D,L-lactic …
-
Poly(ethyl glyoxylate) Solid-Core Particles for Drug Delivery
The ability to trigger the degradation of polymeric nanoparticles (NPs) by a specific stimulus can provide a method of improved drug targeting and selective release capabilities in vivo. The challenge for most polymeric drug delivery systems remains the necessity for many stimuli events to trigger …
-
The Efficacy of Overlapping Method Using Absorbable Copolymer in Reconstruction of Infero-medial Orbital Wall Fractures with Bony Strut Loss
… by overlapping method using Resorb X® plates (poly(D,L)-Lactic acid). METHODS: To repair infero-medial orbital wall fractures with loss of bony strut, we bent the medial aspect of plate for floor fracture according to the anatomical structure and then we inserted the floor implant as which was …
-
Explaining Black-Box Classifiers by Implicitly Learning Decision Trees
… both. Our certification algorithm runs in time poly(d, C(f)) and outputs a certificate of size poly(C(f)), where C(f) is the “average certificate complexity" of f. Our counterfactual algorithm runs in time S(f)^[O(∆f (x))] ·log d, where S(f) is the sensitivity of f (a discrete analogue of the …
-
Poly(LA-co-TMCC)-graft-PEG Self-assembled Polymeric Nanoparticles for Targeted Drug Delivery
Polymeric nanoparticles have gained increased popularity for drug delivery as they not only overcome the problem of limited aqueous solubility of many hydrophobic drug molecules, but also have the potential to improve the pharmacologic properties of anticancer drugs by increasing their in vivo …
-
Average-case complexity of detecting cliques
… the previous worst-case lower bounds of Q(nk/Poly(d)) for depth-d circuits. In particular, our lower bound of Q(nk/ 4 ) has no noticeable dependence on d for circuits of depth d ; k- log n/log log n, thus bypassing the previous "size-depth tradeoffs". As a consequence, we obtain a novel Size …
-
Identificazione di bersagli terapeutici e realizzazione di tecnologie innovative in oncologia ortopedica
… biodegradable NP by nanoprecipitation of a copolymer between poly(D,L-lactide-co-glycolide) (PLGA) and an osteotropic bisphosphonate, sodium alendronate (ALE). NP were subsequently characterised for their chemical-physical properties, biocompatibility, and the ability to inhibit …
-
Formulation and characterisation of cationic microparticles for the delivery of DNA vaccines
… the adsorption of DNA to the surface of poly (D,L-lactide-co-glycolide) (PLG) microparticles stabilised with the surfactant cetyltrimethyl ammonium bromide (CT AB). This work demonstrated the induction of antibody and cellular immune responses to HIV proteins encoded on plasmid DNA …
-
Cryopreservation of microencapsulated bovine spermatozoa
… membranes were constructed from isomers of polylysine: .1% poly-L-lysine (PLL), .1% poly-D-lysine (PDL), and a 50:50 mixture of the isomers (PLPD). Microcapsules were incubated at 37°C in a buffer containing .5% heparin or .5% trypsin and evaluated at 0.5, 1, 2, 4, 8, and 16 h …
-
Developing cultivated mollusks through establishing primary cell culture methods of Eastern Oyster, Crassostrea virginica, as a model bivalve
… such as fibronectin, laminin, matrigel, and poly-d-lysine to promote cell attachment. The tissue decontamination with Penicillin-Streptomycin (100 µg/mL), Amphotericin B (0.25 µg/ml), and algaecide solution (0.03%) was effective in controlling microbial growth. OAD cells grew best at lower …
-
Localization of metal ions in DNA
… For instance, DNA with a sequence consisting of poly[d(TG)•d(CA)] is completely converted to M-DNA at pH 7.9 while DNA consisting entirely of poly[d(AT)] remains in the B-DNA conformation until a pH of 8.6 is reached. The pH at which M-DNA formation occurs is further decreased by the …
Page 1 of 3