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Showing 1 to 20 of 58 for “"poly(D"”.

  1. Freisetzungsverhalten von unterschiedlich hydrophil/hydrophoben Modellsubstanzen aus Poly-(D,L-lactid)- und Poly-(D,L-lactid)-co-PEO-co-poly-(D,L-lactid)-Mikrosphären und pharmazeutische Anwendungen

    Plum, GeorgPublikationsserver der RWTH Aachen University2004

    … model substances and drugs from degradable poly-(D,L-lactide) (PDLLA) and poly-(D,L-lactide)-co-PEO-co-poly-(D,L-lactide) (ABA) microspheres as well as poly-(D,L-lactide-co-TMC)(90:10) nanospheres in PBS-buffer are characterised. To investigate the release behaviour, three different …

    aachen Repository record

  2. Vitalitätsbestimmungen humaner Gingivafibroblasten nach In-vitro-Kultivierung auf geometrisch definierten 3-D-Scaffols (Poly-D, Lactid)

    Poll, Silvia BettinaMainz2003

    aachen Repository record

  3. Synthesis of Higher Molecular Weight Poly(D-glucaramides) and Poly(aldaramides) as Novel Gel Forming Agents

    Smith, Tyler Nations

    <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 …

    montana-tech Repository record

  4. Synthesis of Higher Molecular Weight Poly(D-glucaramides) and Poly(aldaramides) as Novel Gel Forming Agents

    Smith, Tyler Nations

    <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 …

    montana Repository record

  5. Entwicklung eines Systems für die kontrollierte Wirkstofffreisetzung aus biodegradierbarem Poly-D,L-Lactid zur Restenoseprävention im kardiovaskulären Bereich

    Felshart, Susanne ChristinaPublikationsserver der RWTH Aachen University2001

    … allows to integrate thermolabile substances in poly-D,L-lactid. By bioabsorption the agents are released in the body as a kind of a drug-delivery-system.The growth factor VEGF which is specific for endothelial cells shall reduce the proliferation of the smooth muscle cells by promoting the …

    aachen Repository record

  6. Study of poly (l-lactic acid)/poly (d-lactic acid) stereocomplex as nucleating agent for poly (l- lactic acid) crystallization

    Lao, Yuan

    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 …

    njit Repository record

  7. Entwicklung einer biodegradierbaren Harnleiterschiene : In-vitro-Analytik von Poly(D,L-Lactid) als Homo- und Copolymer, Formgebungs-Technologie, Oberflächenmodifizierung und tierexperimentelle Untersuchung im Schaf-Modell

    Hölzl, FriedrichPublikationsserver der RWTH Aachen University2001

    … a biodegradable ureteric stent, various polylactides were analyzed and grafted with a clinically adapted surface. Stent moulding was performed by CESP-technology (Controlled Expansion of Saturated Polymers), which is not based on high temperature but gas-loading under high pressure which …

    aachen Repository record

  8. 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

    Patel, Deven Chandrakant2012

    … 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 …

    calpoly Repository record

  9. Die Wirkung von TGF-[Beta]1 auf das Proliferationsverhalten von humanen Gingivafibroblasten und Keratinozyten nach Freisetzung aus einem resorbierbaren Biomaterial (Poly-D,L-Lactid) : In-vitro-Untersuchungen zur Problematik der gesteuerten parodontalen Geweberegeneration (GPTR)

    Wilken, Andreas1999

    aachen Repository record

  10. Topologically constrained DNA intercalators: Synthesis and DNA binding studies

    Lamberson, Carol R.University of Illinois at Urbana-Champaign2011

    … 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 …

    uiuc Repository record

  11. Studien zur kontrollierten Freisetzung biologisch aktiver Substanzen aus resorbierbaren Nano- und Mikrosphären

    Pereira Paz, Rui MiguelPublikationsserver der RWTH Aachen University2004

    … endocyosis. Commercially available poly(D,L-lactide) (RESOMER R 208) and poly(D,L-lactide-co-glycolide) 50:50 (RESOMER RG 504) were used as materials, both of which have a history of biomedical applications. The controlled release of bioactive substances in scaffolds for the tissue …

    aachen Repository record

  12. 3D scaffolds for tissue engineering produced by microfabrication technology

    Carletti, EleonoraUniversità degli studi di Trento2009

    … 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 …

    trento Repository record

  13. Induktion und Prophylaxe Implantat assoziierter Knocheninfektionen am Modell eines antiinfektiv beschichteten Marknagels

    Rößner, MichaelaLudwig-Maximilians-Universität

    … 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 …

    lmu-germany Repository record

  14. Lamination of a biodegradable polymeric microchip

    Kim, Jina, 1984-Massachusetts Institute of Technology2006

    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 …

    mit Repository record

  15. Development of particle-based systems for the delivery of oligonucleotides into primary dendritic cells

    Kovacs, Jeffrey Ryan2006

    … 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. …

    duquesne Repository record

  16. Coaxial double-walled microspheres for drug and gene delivery applications

    Xu, Qingxing NoelUniversity of Illinois at Urbana-Champaign2014

    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 …

    uiuc Repository record

  17. Poly(ethyl glyoxylate) Solid-Core Particles for Drug Delivery

    Gambles, Michael ThomasThe University of Western Ontario2017

    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 …

    uwo Repository record

  18. The Efficacy of Overlapping Method Using Absorbable Copolymer in Reconstruction of Infero-medial Orbital Wall Fractures with Bony Strut Loss

    최, 아영2014

    … 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 …

    ajou Repository record

  19. Explaining Black-Box Classifiers by Implicitly Learning Decision Trees

    Lange, JaneMassachusetts Institute of Technology2025

    … 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 …

    mit Repository record

  20. Langzeituntersuchung zur In-Stent-Restenose eines neuen biodegradierbaren, wirkstoffbeladenen, intravaskulären Polylaktidstents nach Implantation in porcine Koronararterien

    Stein, AndreasPublikationsserver der RWTH Aachen University2006

    … of a new biodegradable paclitaxel-loaded polylactide stent. Due to high rates of instent restenosis and permanent nature of metal stent implants, synthetic polymers have been proposed as surrogate materials for stents and local delivery systems for drugs. Paclitaxel was shown to inhibit …

    aachen Repository record

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