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Search for "PLA" in Full Text gives 33 result(s) in Beilstein Journal of Nanotechnology.

Nanomedicines against Chagas disease: a critical review

  • Maria Jose Morilla,
  • Kajal Ghosal and
  • Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 333–349, doi:10.3762/bjnano.15.30

Graphical Abstract
  • , and resulted in 100% survival of an acute murine model [70]. Either orally or intravenously administered to acute and chronic murine models, poly(ᴅ,ʟ-lactide)-block-polyethylene glycol nanocapsules loaded with lychnopholide (LYC-PLA-PEG NCs), a lipophilic sesquiterpene lactone isolated from
  • Lychnophora trichocarpha of poor solubility, which is degraded at extreme pH values, showed improved efficacy against T. cruzi infection. The most relevant results in the acute model were that equal cure rates were obtained for oral LYC-PLA-PEG-NCs and BNZ (62.5%). In contrast, intravenous LYC-PLA-PEG NCs
  • chronic model were that oral LYC-PLA-PEG-NCs yielded a 55.6% cure rate vs 0% for BNZ and free LYC. Intravenous LYC-PLA-PEG-NCs yielded a 50.0% cure rate vs 0% for free LYC and BNZ [72]. Intravenous LYC-PLA-PEG NCs increased 16-fold the body exposure, 26-fold the plasma half-life, and reduced 17-fold the
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Published 27 Mar 2024

Nanocarrier systems loaded with IR780, iron oxide nanoparticles and chlorambucil for cancer theragnostics

  • Phuong-Thao Dang-Luong,
  • Hong-Phuc Nguyen,
  • Loc Le-Tuan,
  • Xuan-Thang Cao,
  • Vy Tran-Anh and
  • Hieu Vu Quang

Beilstein J. Nanotechnol. 2024, 15, 180–189, doi:10.3762/bjnano.15.17

Graphical Abstract
  • and IR783 are also promising diagnostic choices. Encapsulation of IR780 in nanoparticles can be used for imaging and photothermal, photodynamic, and combinatorial cancer therapies [20][21][22]. IR780 is also utilized in PEG-PLA nanoparticles for photodynamic therapy of human breast cancer cells [23
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Published 06 Feb 2024

Berberine-loaded polylactic acid nanofiber scaffold as a drug delivery system: The relationship between chemical characteristics, drug-release behavior, and antibacterial efficiency

  • Le Thi Le,
  • Hue Thi Nguyen,
  • Liem Thanh Nguyen,
  • Huy Quang Tran and
  • Thuy Thi Thu Nguyen

Beilstein J. Nanotechnol. 2024, 15, 71–82, doi:10.3762/bjnano.15.7

Graphical Abstract
  • Sciences, Phenikaa University, Hanoi 12116, Vietnam 10.3762/bjnano.15.7 Abstract Hydrophobic berberine powder (BBR) and hydrophilic BBR nanoparticles (BBR NPs) were loaded into an electrospun polylactic acid (PLA) nanofiber scaffold for modulating the release behavior of BBR in an aqueous medium. The BBR
  • release from the BBR/PLA and BBR NPs/PLA nanofiber scaffolds was investigated in relation to their chemical characteristics, BBR dispersion into nanofibers, and wettability. The BBR release profiles strongly influenced the antibacterial efficiency of the scaffolds over time. When the BBR was loaded, the
  • BBR/PLA nanofiber scaffold exhibited an extremely hydrophobic feature, causing a triphasic release profile in which only 9.8 wt % of the loaded BBR was released in the first 24 h. This resulted in a negligible inhibitory effect against methicillin-resistant Staphylococcus aureus bacteria. Meanwhile
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Published 12 Jan 2024

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

  • Liqun Duan,
  • Zhiqian Yang,
  • Yilu Xia,
  • Xiaoqing Dai,
  • Jian’an Wu and
  • Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

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  • Liqun Duan Zhiqian Yang Yilu Xia Xiaoqing Dai Jian'an Wu Minqian Sun State Key Laboratory of Disaster Prevention & Mitigation of Explosion & Impact, Army Engineering University of PLA. Nanjing 210007, P.R. China 10.3762/bjnano.14.47 Abstract A novel strategy is provided to improve the absorption
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Published 04 May 2023

Roll-to-roll fabrication of superhydrophobic pads covered with nanofur for the efficient clean-up of oil spills

  • Patrick Weiser,
  • Robin Kietz,
  • Marc Schneider,
  • Matthias Worgull and
  • Hendrik Hölscher

Beilstein J. Nanotechnol. 2022, 13, 1228–1239, doi:10.3762/bjnano.13.102

Graphical Abstract
  • (PE), and polycarbonate (PC), we obtained the best results by sandblasting the roller first with 0.8–1.2 mm cast iron particles and subsequently with white corundum with a particle size of 53–75 µm. For polylactide (PLA), smaller corundum particles with a size of 8–10 µm had to be used for the second
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Published 31 Oct 2022

Microneedle-based ocular drug delivery systems – recent advances and challenges

  • Piotr Gadziński,
  • Anna Froelich,
  • Monika Wojtyłko,
  • Antoni Białek,
  • Julia Krysztofiak and
  • Tomasz Osmałek

Beilstein J. Nanotechnol. 2022, 13, 1167–1184, doi:10.3762/bjnano.13.98

Graphical Abstract
  • ], polyvinyl alcohol (PVA) [123], and polymethacrylates [118][124][125]. Among the biodegradable materials, carbohydrates, including maltose [126], trehalose [127], and sucrose [128], are frequently mentioned. Moreover, biodegradable polymers such as poly(lactic acid) (PLA) [129], poly(glycolic acid) (PGA
  • (PEGDA) [132] and poly(acrylic-co-maleic) acid (PAMA) [133]. It is also important to notice that there are numerous studies describing the use of composite materials containing combinations of various substances, both organic and inorganic. For example, studies involving PLA and carbon nanotubes [134
  • ], calcium sulfate and gelatin [135], gelatin and hydroxyapatite [136], and PLGA microparticles combined with PLA [137] are available in the scientific literature. Taking into consideration the shape and geometry of microneedles, they can be categorized as pyramids, cones, arrowheads, cylinders, bullets
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Published 24 Oct 2022

Biomimetic chitosan with biocomposite nanomaterials for bone tissue repair and regeneration

  • Se-Kwon Kim,
  • Sesha Subramanian Murugan,
  • Pandurang Appana Dalavi,
  • Sebanti Gupta,
  • Sukumaran Anil,
  • Gi Hun Seong and
  • Jayachandran Venkatesan

Beilstein J. Nanotechnol. 2022, 13, 1051–1067, doi:10.3762/bjnano.13.92

Graphical Abstract
  • . Different kinds of polymeric materials have been utilized including chitosan, alginate, fucoidan, carrageenan, and ulvan from natural polymeric materials. Polycaprolactone (PCL), poly ᴅ,ʟ-lactic-co-glycolic acid (PLGA), and polylactic acid (PLA) have been extensively studied with hydroxyapatite to develop
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Published 29 Sep 2022

Gelatin nanoparticles with tunable mechanical properties: effect of crosslinking time and loading

  • Agnes-Valencia Weiss,
  • Daniel Schorr,
  • Julia K. Metz,
  • Metin Yildirim,
  • Saeed Ahmad Khan and
  • Marc Schneider

Beilstein J. Nanotechnol. 2022, 13, 778–787, doi:10.3762/bjnano.13.68

Graphical Abstract
  • . demonstrated the impact of the measurement setup for polymeric nanoparticles [4]. Young’s moduli obtained by measurements conducted on bulk materials and nanoparticles composed of PLA and PLGA vary significantly from each other. Furthermore, they showed the impact of measurements in water and at physiological
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Published 16 Aug 2022

Fabrication and testing of polymer microneedles for transdermal drug delivery

  • Vahid Ebrahiminejad,
  • Zahra Faraji Rad,
  • Philip D. Prewett and
  • Graham J. Davies

Beilstein J. Nanotechnol. 2022, 13, 629–640, doi:10.3762/bjnano.13.55

Graphical Abstract
  • their biocompatibility, biodegradability, and potential for mass production [12]. Polymers such as polylactic acid (PLA), poly(methyl methacrylate) (PMMA), poly(carbonate), cyclic olefin copolymer (COC) and cycloolefin polymers (COP), polystyrene, and SU-8 photoresists, have all been used for
  • the viscoelastic nature of Zeonor 1060R, the initial near-tip failure was indistinct on the force-displacement diagram. These mechanical responses have been previously observed during compression tests on polymeric MN materials, including carboxymethyl cellulose (CMC) and polylactic acid (PLA) [1][38
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Published 08 Jul 2022

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

  • Zahra Nabizadeh,
  • Mahmoud Nasrollahzadeh,
  • Hamed Daemi,
  • Mohamadreza Baghaban Eslaminejad,
  • Ali Akbar Shabani,
  • Mehdi Dadashpour,
  • Majid Mirmohammadkhani and
  • Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

Graphical Abstract
  • and tailoring method for the construction of the scaffold. Researchers have assessed the effects of different morphologies of a polylactide (PLA) fiber-based scaffold [microfiber scaffold (MS) and nanofiber-coated microfiber scaffold (NMS)] on the behavior of human articular chondrocytes [108
  • improve the expression of the chondrogenic phenotype [110]. Fragmented PLA fibers incorporated into HA-grafted alginate hydrogel have been shown to increase the compressive modulus by approximately 81% compared to the nanofiber-free hydrogel scaffolds. Moreover, they maintained the round phenotype of the
  • the expressions of chondrogenic markers and appreciably repopulated the defective cartilage site compared to pellet culture and PVA fibers. In line with this, the application of a resveratrol–PLA–gelatin scaffold in a rat articular cartilage defect model promoted the repair of cartilage injury and had
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Published 11 Apr 2022

Effects of drug concentration and PLGA addition on the properties of electrospun ampicillin trihydrate-loaded PLA nanofibers

  • Tuğba Eren Böncü and
  • Nurten Ozdemir

Beilstein J. Nanotechnol. 2022, 13, 245–254, doi:10.3762/bjnano.13.19

Graphical Abstract
  • produce ampicillin trihydrate-loaded poly(lactic acid) (PLA) and PLA/poly(lactic-co-glycolic acid) (PLA/PLGA) polymeric nanofibers via electrospinning using 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP) as the solvent for local application in tissue engineering. The effects of ampicillin trihydrate
  • concentration (4–12%) and addition of PLGA (20–80%) on the spinnability of the solutions, morphology, average nanofiber diameter, encapsulation efficiency, drug release, and mechanical properties of PLA and PLA/PLGA nanofibers were examined. All nanofibers were bead-free and uniform. They had favorable
  • and controlled drug release for ten days was obtained with nanofibers containing 8% of drug. Thus, the ideal drug concentration was determined to be 8%. Nanofibers containing PLA/PLGA had a larger diameter than those including PLA. In addition, both the strength and elongation of nanofibers decreased
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Published 21 Feb 2022

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

  • Senuri Kumarage,
  • Imalka Munaweera and
  • Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

Graphical Abstract
  • porous nature of the fibers cannot be explained solely with the solvent volatility, but only in combination with the ambient parameters. Touny et al. observed that the addition of less volatile DMF to highly volatile CHCl3 when spinning PLA/HNT nanohybrids causes a decrease of fiber diameter from the
  • layer had a significant effect on the hydrophilicity of the membrane by decreasing the water contact angle from 130° to 13°. A water flux of 5.5 m3/m2/day, has been achieved by the membrane with the lowest contact angle [67]. Zhang et al. demonstrated the electrospinning of a blend of PLA and poly(3
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Published 31 Jan 2022

Theranostic potential of self-luminescent branched polyethyleneimine-coated superparamagnetic iron oxide nanoparticles

  • Rouhollah Khodadust,
  • Ozlem Unal and
  • Havva Yagci Acar

Beilstein J. Nanotechnol. 2022, 13, 82–95, doi:10.3762/bjnano.13.6

Graphical Abstract
  • -polylactide (PEI–PLA). An enhanced luminescence of PEI in the PDOT (quantum yield = 0.31) compared to free PEI (quantum yield = 0.01) was attributed to the more compact structure of PEI in the self-assembled PDOT. This was the first report that studied the luminescence of branched PEI at a relatively high
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Published 18 Jan 2022

An overview of microneedle applications, materials, and fabrication methods

  • Zahra Faraji Rad,
  • Philip D. Prewett and
  • Graham J. Davies

Beilstein J. Nanotechnol. 2021, 12, 1034–1046, doi:10.3762/bjnano.12.77

Graphical Abstract
  • and sizes for a wide range of applications. Metals such as titanium [61][62], stainless steel [58][63][64], silicon [65][66][67], ceramics [68][69], biodegradable polymers such as polylactic acid (PLA) [70], PLGA [71], and polyglycolic acid (PGA) [72], and non-degradable polymers such as
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Published 13 Sep 2021

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

  • Sepand Tehrani Fateh,
  • Lida Moradi,
  • Elmira Kohan,
  • Michael R. Hamblin and
  • Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

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Published 11 Aug 2021

The impact of molecular tumor profiling on the design strategies for targeting myeloid leukemia and EGFR/CD44-positive solid tumors

  • Nikola Geskovski,
  • Nadica Matevska-Geshkovska,
  • Simona Dimchevska Sazdovska,
  • Marija Glavas Dodov,
  • Kristina Mladenovska and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2021, 12, 375–401, doi:10.3762/bjnano.12.31

Graphical Abstract
  • the improvement of the overall therapeutic efficacy. A targeted NDDS for the co-delivery of ponatinib and SAR302503 (selective JAK2 inhibitor) for efficient CML treatment was developed by Mu and co-workers [47]. The authors employed alendronate-decorated PLA–PEG micelles for BM targeting. Both
  • ponatinib and SAR302503 are hydrophobic drugs and were co-encapsulated inside the hydrophobic core of PEG–PLA micelles by solvent displacement nanoprecipitation. The results demonstrated that the targeted NDDS enabled a high availability of the drugs inside the BM, which is a prerequisite for overcoming the
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Published 29 Apr 2021

Key for crossing the BBB with nanoparticles: the rational design

  • Sonia M. Lombardo,
  • Marc Schneider,
  • Akif E. Türeli and
  • Nazende Günday Türeli

Beilstein J. Nanotechnol. 2020, 11, 866–883, doi:10.3762/bjnano.11.72

Graphical Abstract
  • polymeric nanoparticles prepared with PBCA and polymers from the poly(ethylene) family such as poly(lactic acid) (PLA) and poly(lactic-co-glycolic acid) (PLGA) [25][26]. Liposomes and other lipidic nanoparticles have also been reported as able to pass the BBB [27], as well as protein-based nanoparticles
  • suggestion from Kreuter et al. that the core of the nanoparticles could influence the surface properties of the nanoparticles and therefore their ability to bind with apolipoproteins in the blood [54]. PS80 coating was also successful for PLA-b-PEG nanoparticles [58] but failed for PLA nanoparticles [59
  • cationic bovine serum albumin (CBSA) allows them to cross the BBB by AMT, as described above [110][111][112][114]. PEG-PLA nanoparticles were labeled with coumarin-6 and conjugated with either CBSA or BSA in a study by Lu and co-workers [110]. Transcytosis assays were performed on a co-culture BBB in vitro
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Published 04 Jun 2020

Rational design of block copolymer self-assemblies in photodynamic therapy

  • Maxime Demazeau,
  • Laure Gibot,
  • Anne-Françoise Mingotaud,
  • Patricia Vicendo,
  • Clément Roux and
  • Barbara Lonetti

Beilstein J. Nanotechnol. 2020, 11, 180–212, doi:10.3762/bjnano.11.15

Graphical Abstract
  • ] due to the overexpression of folate receptors in a number of tumor types including ovarian [117] or breast cancers [118]. One of the most recent examples of FA use in PDT applications is by Li et al., where the authors have designed a FA-PEO-PLA construct to deliver hypocrellin B, a sensitizer
  • carcinoma, ovarian, kidney, and pancreatic cancer). Chang et al. have explored the potential of PLA-PEG-AntiEGFR self-assemblies loaded with chlorin-e6 as a photosensitizer and found that this construct led to the increased internalization of the micelles through receptor-mediated endocytosis, which in turn
  • [29]. This enables a classification of the ability of the vectors to resist FBS with time. The comparison of PEO-PCL, PEO-PLA and PEO-PStyrene exhibiting similar sizes showed that PEO-PStyrene was the most stable. The advantage of PS for PDT is that their fluorescence will depend on their environment
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Published 15 Jan 2020

Incorporation of doxorubicin in different polymer nanoparticles and their anticancer activity

  • Sebastian Pieper,
  • Hannah Onafuye,
  • Dennis Mulac,
  • Jindrich Cinatl Jr.,
  • Mark N. Wass,
  • Martin Michaelis and
  • Klaus Langer

Beilstein J. Nanotechnol. 2019, 10, 2062–2072, doi:10.3762/bjnano.10.201

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  • . To investigate whether easy-to-prepare nanoparticles made of well-tolerated polymers may circumvent transporter-mediated drug efflux, we prepared poly(lactic-co-glycolic acid) (PLGA), polylactic acid (PLA), and PEGylated PLGA (PLGA-PEG) nanoparticles loaded with the ABCB1 substrate doxorubicin by
  • carriers for anticancer drugs. Here, we prepared and directly compared the effects of doxorubicin-loaded polylactic acid (PLA) and poly(lactic-co-glycolic acid) (PLGA) nanoparticles in neuroblastoma cells. PLA and PLGA are well-known ingredients of FDA- and EMA-approved drugs for human use [10][11] and are
  • , opsonisation, and phagocytosis [12]. In previous studies PLA-, PLGA-, PLA-PEG-, and PLGA-PEG-based nanometre-sized drug carriers loaded with or covalently linked to doxorubicin have been prepared by methods including emulsion diffusion, solvent displacement, micelle formation, and film rehydration followed by
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Published 29 Oct 2019

Doxorubicin-loaded human serum albumin nanoparticles overcome transporter-mediated drug resistance in drug-adapted cancer cells

  • Hannah Onafuye,
  • Sebastian Pieper,
  • Dennis Mulac,
  • Jindrich Cinatl Jr.,
  • Mark N. Wass,
  • Klaus Langer and
  • Martin Michaelis

Beilstein J. Nanotechnol. 2019, 10, 1707–1715, doi:10.3762/bjnano.10.166

Graphical Abstract
  • bind to doxorubicin via its amino group. Notably, the results differ from a recent similar study in which nanoparticles prepared from poly(lactic-co-glycolic acid) (PLGA) or polylactic acid (PLA), two other biodegradable materials approved by the FDA and EMA for human use [27][28], did not bypass ABCB1
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Published 14 Aug 2019

Integration of LaMnO3+δ films on platinized silicon substrates for resistive switching applications by PI-MOCVD

  • Raquel Rodriguez-Lamas,
  • Dolors Pla,
  • Odette Chaix-Pluchery,
  • Benjamin Meunier,
  • Fabrice Wilhelm,
  • Andrei Rogalev,
  • Laetitia Rapenne,
  • Xavier Mescot,
  • Quentin Rafhay,
  • Hervé Roussel,
  • Michel Boudard,
  • Carmen Jiménez and
  • Mónica Burriel

Beilstein J. Nanotechnol. 2019, 10, 389–398, doi:10.3762/bjnano.10.38

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  • Raquel Rodriguez-Lamas Dolors Pla Odette Chaix-Pluchery Benjamin Meunier Fabrice Wilhelm Andrei Rogalev Laetitia Rapenne Xavier Mescot Quentin Rafhay Herve Roussel Michel Boudard Carmen Jimenez Monica Burriel Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes
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Published 07 Feb 2019

Atomic-level characterization and cilostazol affinity of poly(lactic acid) nanoparticles conjugated with differentially charged hydrophilic molecules

  • María Francisca Matus,
  • Martín Ludueña,
  • Cristian Vilos,
  • Iván Palomo and
  • Marcelo M. Mariscal

Beilstein J. Nanotechnol. 2018, 9, 1328–1338, doi:10.3762/bjnano.9.126

Graphical Abstract
  • promising field for numerous diseases and represents the forefront of modern medicine. In the present work, full atomistic computer simulations were applied to study poly(lactic acid) (PLA) nanoparticles conjugated with polyethylene glycol (PEG). The formation of this complex system was simulated using the
  • suggest that the combination of molecular dynamics ReaxFF simulations and blind docking techniques can be used as an explorative tool prior to experiments, which is useful for rational design of new drug delivery systems. Keywords: drug delivery; PEGylated nanoparticle; PLA; polymeric nanoparticle
  • against in vitro and in vivo degradation [7][8][9]. Poly(lactic acid) (PLA) is one of the most commonly used polymers for the synthesis of NPs. PLA is a synthetic biodegradable, compostable and non-toxic polymer derived from renewable resources [10][11][12]. Despite its benefits for different formulations
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Published 02 May 2018

Liquid-crystalline nanoarchitectures for tissue engineering

  • Baeckkyoung Sung and
  • Min-Ho Kim

Beilstein J. Nanotechnol. 2018, 9, 205–215, doi:10.3762/bjnano.9.22

Graphical Abstract
  • been reported [106]. Lamellar phase PLA-b-PEG-b-PLA hydrogels can be made to exhibit better biodegradability and higher swelling behavior than isotropic gels for medical purposes [107]. Thermotropic copolyester materials in nematic order can be also synthesized to be used as a bioresorbable and tissue
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Published 18 Jan 2018

Surface functionalization of 3D-printed plastics via initiated chemical vapor deposition

  • Christine Cheng and
  • Malancha Gupta

Beilstein J. Nanotechnol. 2017, 8, 1629–1636, doi:10.3762/bjnano.8.162

Graphical Abstract
  • thickness and therefore the thermal gradients were modest. In contrast to these previous studies, our 3D-printed objects are over 5 mm in thickness and therefore the significant thermal gradients may impact the deposition process. In this study, we printed the 3D objects using both poly(lactic acid) (PLA
  • schematic of the iCVD deposition process onto 3D-printed substrates is shown in Figure 1. To systematically study the uniformity of the iCVD coatings, PPFDA was deposited onto 3D-printed PLA lattices of 7.5 mm in height. PPFDA was chosen as a model polymer because it is easily discernable from the
  • underlying substrate via XPS [23]. Additionally, the relatively high water contact angle on flat PPFDA (121°) [31] compared to that on flat PLA (72.5°) [32] allows for the use of contact angle goniometry to verify polymer deposition. Substrates were printed with PLA because of its ease of printing, low cost
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Published 08 Aug 2017

Nano- and microstructured materials for in vitro studies of the physiology of vascular cells

  • Alexandra M. Greiner,
  • Adria Sales,
  • Hao Chen,
  • Sarah A. Biela,
  • Dieter Kaufmann and
  • Ralf Kemkemer

Beilstein J. Nanotechnol. 2016, 7, 1620–1641, doi:10.3762/bjnano.7.155

Graphical Abstract
  • for vascular cell studies are poly(dimethylsiloxane) (PDMS) [6][61][103][104][105][106], poly(ethylene glycol) (PEG)-derived polymers [5][87][98][107][108][109][110][111][112][113] poly(acrylamide) (PAA) [50][114][115][116] and poly(lactic acid) (PLA) [117][118]. Alternative materials used for micro
  • molecules is disadvantegous too. Using more advanced chemistry for immobilizing the molecules of interest in a controlled fashion [145][146][147][148]. Typical molecules used for non-specific surface coatings are poly-L-Lysine (PLL) and poly(lactic acid) (PLA), both interact unspecifically with cells
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Published 08 Nov 2016
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