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Search for "bioavailability" in Full Text gives 85 result(s) in Beilstein Journal of Nanotechnology.

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

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  • transcription factors, but also as roadmaps for active targeting using novel nanoparticles (NPs). Furthermore, the use of nanotechnology for the delivery of cytotoxic drugs can also be valuable in facilitating cell-specific administration of drugs, improving their bioavailability, reducing side effects, and
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Published 29 Apr 2021

Doxorubicin-loaded gold nanorods: a multifunctional chemo-photothermal nanoplatform for cancer management

  • Uzma Azeem Awan,
  • Abida Raza,
  • Shaukat Ali,
  • Rida Fatima Saeed and
  • Nosheen Akhtar

Beilstein J. Nanotechnol. 2021, 12, 295–303, doi:10.3762/bjnano.12.24

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  • limited due to several unwanted characteristics of poor solubility, broad bioavailability range, narrow therapeutic index, rapid elimination from systemic circulation, unselective site of action after oral/intravenous administration, and cytotoxic effects on normal tissues [6]. The anticancer drug
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Published 31 Mar 2021

Characterization, bio-uptake and toxicity of polymer-coated silver nanoparticles and their interaction with human peripheral blood mononuclear cells

  • Sahar Pourhoseini,
  • Reilly T. Enos,
  • Angela E. Murphy,
  • Bo Cai and
  • Jamie R. Lead

Beilstein J. Nanotechnol. 2021, 12, 282–294, doi:10.3762/bjnano.12.23

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  • anti-inflammatory cytokines. Despite the increased usage of and the likely increased exposure to AgNPs, there is a lack of quantitative analysis of bio-uptake and potential cytotoxicity in PBMCs after exposure to well-characterized AgNPs. A number of studies have investigated the bioavailability and
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Published 24 Mar 2021

Differences in surface chemistry of iron oxide nanoparticles result in different routes of internalization

  • Barbora Svitkova,
  • Vlasta Zavisova,
  • Veronika Nemethova,
  • Martina Koneracka,
  • Miroslava Kretova,
  • Filip Razga,
  • Monika Ursinyova and
  • Alena Gabelova

Beilstein J. Nanotechnol. 2021, 12, 270–281, doi:10.3762/bjnano.12.22

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  • 40–50 nm in diameter [14], or glycosylphosphatidylinositol (GPI)-anchored proteins [15]. Inorganic nanoparticles are frequently engineered with an organic surface coating to improve their biocompatibility, colloidal stability, and bioavailability. Moreover, the coating facilitates their further
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Published 23 Mar 2021

PEG/PEI-functionalized single-walled carbon nanotubes as delivery carriers for doxorubicin: synthesis, characterization, and in vitro evaluation

  • Shuoye Yang,
  • Zhenwei Wang,
  • Yahong Ping,
  • Yuying Miao,
  • Yongmei Xiao,
  • Lingbo Qu,
  • Lu Zhang,
  • Yuansen Hu and
  • Jinshui Wang

Beilstein J. Nanotechnol. 2020, 11, 1728–1741, doi:10.3762/bjnano.11.155

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  • , including CNTs [25]. Premature removal by the RES will inevitably hamper the absorption efficiency, resulting in a decrease of circulating half-life and reduced bioavailability at the intended delivery site [26][27]. Several strategies have been developed to modify particle surfaces to address this
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Published 13 Nov 2020

Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action

  • Matías Guerrero Correa,
  • Fernanda B. Martínez,
  • Cristian Patiño Vidal,
  • Camilo Streitt,
  • Juan Escrig and
  • Carol Lopez de Dicastillo

Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129

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  • Cu NPs. The bioavailability of these antimicrobial NPs had lower MIC values against E. coli and B. subtilis than copper hydroxide particles in suspension [143]. Silver carbon complexes with different formulations, including micelles and NPs, have also shown an antimicrobial effect since they inhibit
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Published 25 Sep 2020

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

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  • study by Dal Magro et al., the brain bioavailability in mice of SLNs functionalized with an ApoE-derived peptide was studied depending on the administration route of the nanoparticles. The nanoparticles were administered either by the intraperitoneal, the intravenous or the intratracheal route [66
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Published 04 Jun 2020

Luminescent gold nanoclusters for bioimaging applications

  • Nonappa

Beilstein J. Nanotechnol. 2020, 11, 533–546, doi:10.3762/bjnano.11.42

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  • , semiconductor quantum dots suffer from toxicity and are susceptible to oxidation. In this context, atomically precise gold nanoclusters protected by thiol monolayers have emerged as a new class of luminescent nanomaterials. Low toxicity, bioavailability, photostability as well as tunable size, composition, and
  • bioavailability and luminescence and were non-toxic. The AuNCFs frameworks, because of their highly luminescent nature, also allowed for better imaging compared to [Au25(SG)18]-treated cells. In vivo bioimaging Conpared to cell-line and isolated in vitro studies, in vivo imaging using animal models faces
  • selective formation and imaging (Figure 8). Conclusion The unique chemical, optical and catalytic properties of gold nanoclusters have led to rapid progress in their application. This can be attributed to tunable photoluminescence, low toxicity, high bioavailability and renal clearance. The studies on
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Published 30 Mar 2020

Design of a nanostructured mucoadhesive system containing curcumin for buccal application: from physicochemical to biological aspects

  • Sabrina Barbosa de Souza Ferreira,
  • Gustavo Braga,
  • Évelin Lemos Oliveira,
  • Jéssica Bassi da Silva,
  • Hélen Cássia Rosseto,
  • Lidiane Vizioli de Castro Hoshino,
  • Mauro Luciano Baesso,
  • Wilker Caetano,
  • Craig Murdoch,
  • Helen Elizabeth Colley and
  • Marcos Luciano Bruschi

Beilstein J. Nanotechnol. 2019, 10, 2304–2328, doi:10.3762/bjnano.10.222

Graphical Abstract
  • due to some important characteristics. They can provide intimate contact between the dosage form and tissue, which could guarantee high drug flux through the absorbing tissue to subsequently increase drug permeation and bioavailability [14][15]. In addition, the incorporation of thermoresponsive
  • formation of phenylate anions and high production of CUR radicals, since this polyphenol has demonstrated high lipophilicity (log P 3.29) and low solubility in aqueous solutions and under alkaline conditions (pH > 7) [30][31][42]. These physicochemical characteristics hinder the bioavailability and
  • the cancer lesions with higher bioavailability [73]. The calculation of mucoadhesive force and adhesion work has already been discussed by other authors [70] since mucoadhesive force is the most commonly used parameter to describe mucoadhesion. However, adhesion work seems to be influenced by the
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Published 25 Nov 2019

Microfluidics as tool to prepare size-tunable PLGA nanoparticles with high curcumin encapsulation for efficient mucus penetration

  • Nashrawan Lababidi,
  • Valentin Sigal,
  • Aljoscha Koenneke,
  • Konrad Schwarzkopf,
  • Andreas Manz and
  • Marc Schneider

Beilstein J. Nanotechnol. 2019, 10, 2280–2293, doi:10.3762/bjnano.10.220

Graphical Abstract
  • improved solubility and bioavailability [25]. As penetrating particulate systems also raise the question of toxicity, biocompatible systems such as poly(lactide-co-glycolide) (PLGA) (a very benign material) are considered to be well-suited. PLGA NPs have been extensively studied in the pharmaceutical field
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Published 19 Nov 2019

Targeted therapeutic effect against the breast cancer cell line MCF-7 with a CuFe2O4/silica/cisplatin nanocomposite formulation

  • B. Rabindran Jermy,
  • Vijaya Ravinayagam,
  • Widyan A. Alamoudi,
  • Dana Almohazey,
  • Hatim Dafalla,
  • Lina Hussain Allehaibi,
  • Abdulhadi Baykal,
  • Muhammet S. Toprak and
  • Thirunavukkarasu Somanathan

Beilstein J. Nanotechnol. 2019, 10, 2217–2228, doi:10.3762/bjnano.10.214

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  • expected health crisis [1]. However, the single modal drug delivery system is hampered by low bioavailability (about 5–10%), burst release, and lower target efficiency. Multifunctional theranostic nanoparticles that can respond to an external magnetic field for drug release and assist in bioimaging
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Published 12 Nov 2019

BergaCare SmartLipids: commercial lipophilic active concentrates for improved performance of dermal products

  • Florence Olechowski,
  • Rainer H. Müller and
  • Sung Min Pyo

Beilstein J. Nanotechnol. 2019, 10, 2152–2162, doi:10.3762/bjnano.10.208

Graphical Abstract
  • agents, e.g., retinol as a classical example; restoration of the natural skin barrier (recently in focus in the framework of “anti-pollution” strategies); penetration enhancement and increased bioavailability allowing for a reduced application frequency, enabling the use of active agents that could not
  • primarily for the higher priced cosmetic sector. Increased penetration and bioavailability Occlusion increases the dermal penetration of many active agents. Occlusion leads to increased moisture content of the skin as well as increased percutaneous absorption of most active agents [29][30]. A simple but
  • for such problematic, poorly soluble active agents such as curcumin. This increased bioavailability in the skin enables real skin effects. This study based on curcumin fluorescence was a qualitative study as the fluourescence intensity was not measured quantitatively. However, strong fluorescence
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Published 04 Nov 2019

Porous silver-coated pNIPAM-co-AAc hydrogel nanocapsules

  • William W. Bryan,
  • Riddhiman Medhi,
  • Maria D. Marquez,
  • Supparesk Rittikulsittichai,
  • Michael Tran and
  • T. Randall Lee

Beilstein J. Nanotechnol. 2019, 10, 1973–1982, doi:10.3762/bjnano.10.194

Graphical Abstract
  • advantages over bulk materials in terms of reactive surface area, mobility, carrier capacity, bioavailability, and absorption/scattering across a broad range of wavelengths, even into the near-infrared (NIR) [7][8][9][10]. Nanostructured composites have been reported in a variety of shapes, sizes, and
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Published 04 Oct 2019

Synthesis and potent cytotoxic activity of a novel diosgenin derivative and its phytosomes against lung cancer cells

  • Liang Xu,
  • Dekang Xu,
  • Ziying Li,
  • Yu Gao and
  • Haijun Chen

Beilstein J. Nanotechnol. 2019, 10, 1933–1942, doi:10.3762/bjnano.10.189

Graphical Abstract
  • by cholesterol have been substantially investigated as drug carriers for targeting, modulating drug pharmacokinetics, and decreasing drug toxicity [15][16]. Liposomes also can be used as solubilizing media to enhance solubility and bioavailability of insoluble drugs [17]. Di and our prepared
  • phytosomes were expected to enhance the solubility and bioavailability of the Di derivative for clinical transformation. In this study, we first prepared several Di derivatives and screened the most potent candidate through a preliminary structure–activity relationship study. Then the liposome-like
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Published 24 Sep 2019

Preservation of rutin nanosuspensions without the use of preservatives

  • Pascal L. Stahr and
  • Cornelia M. Keck

Beilstein J. Nanotechnol. 2019, 10, 1902–1913, doi:10.3762/bjnano.10.185

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  • well-known formulation principle to overcome poor aqueous solubility and poor bioavailability of class-II and class-VI active ingredients of the biopharmaceutics classification system (BCS) [6][7]. Nanocrystals are already used in various pharmaceutical drug products for oral use. Examples are Rapamune
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Published 19 Sep 2019

Microfluidic manufacturing of different niosomes nanoparticles for curcumin encapsulation: Physical characteristics, encapsulation efficacy, and drug release

  • Mohammad A. Obeid,
  • Ibrahim Khadra,
  • Abdullah Albaloushi,
  • Margaret Mullin,
  • Hanin Alyamani and
  • Valerie A. Ferro

Beilstein J. Nanotechnol. 2019, 10, 1826–1832, doi:10.3762/bjnano.10.177

Graphical Abstract
  • cancer such as prostate and cervical cancers [3]. However, the therapeutic application of curcumin is limited by its high hydrophobicity with poor water solubility, photosensitivity, chemical instability, and rapid metabolism rate [4][5]. Therefore, as a result, systemic bioavailability is much reduced
  • [6]. The use of nanoparticles as drug delivery systems is currently a corner stone in the field of drug delivery in order to improve the pharmacokinetics and pharmacodynamics of many drugs that have limitations in bioavailability [7]. Therefore, to improve the curcumin characteristics, nanoparticles
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Published 05 Sep 2019

Nanoporous smartPearls for dermal application – Identification of optimal silica types and a scalable production process as prerequisites for marketed products

  • David Hespeler,
  • Sanaa El Nomeiri,
  • Jonas Kaltenbach and
  • Rainer H. Müller

Beilstein J. Nanotechnol. 2019, 10, 1666–1678, doi:10.3762/bjnano.10.162

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  • particles loaded with a long-term stable, amorphous active agent in its mesopores (2–50 nm). The amorphous state of the active agent is known to increase dermal bioavailability. For use in marketed products, optimal silica types were identified from commercially available, regulatory accepted silica. In
  • solvent removal) can be industrially realized in a commercial 50 L rotary evaporator. Keywords: amorphous dispersion; bioavailability enhancement; dermal delivery system; rutin; smartPearls; solubility enhancement; Introduction Many interesting active agents in pharma and cosmetics are poorly soluble
  • solution, because the application of simple suspensions to the skin normally does not provide a sufficient dermal bioavailability. Classic delivery systems such as liposomes [3] or solid lipid nanoparticles (SLNs) [4][5] do not work because the active agents do not dissolve in the lipidic phase of these
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Published 08 Aug 2019

Tailoring the stability/aggregation of one-dimensional TiO2(B)/titanate nanowires using surfactants

  • Atiđa Selmani,
  • Johannes Lützenkirchen,
  • Kristina Kučanda,
  • Dario Dabić,
  • Engelbert Redel,
  • Ida Delač Marion,
  • Damir Kralj,
  • Darija Domazet Jurašin and
  • Maja Dutour Sikirić

Beilstein J. Nanotechnol. 2019, 10, 1024–1037, doi:10.3762/bjnano.10.103

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  • altering their aggregation behavior as well as the ultimate bioavailability and eco-toxicity in aqueous environments [30][31]. Among the different classes of surfactants that have emerged in the last 30 years, dimeric, i.e., gemini surfactants have attracted particular attention in both fundamental
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Published 13 May 2019

Hybrid Au@alendronate nanoparticles as dual chemo-photothermal agent for combined cancer treatment

  • Anouchka Plan Sangnier,
  • Romain Aufaure,
  • Laurence Motte,
  • Claire Wilhelm,
  • Erwann Guenin and
  • Yoann Lalatonne

Beilstein J. Nanotechnol. 2018, 9, 2947–2952, doi:10.3762/bjnano.9.273

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  • . They inhibit the prenylation of GTPase proteins, which affects cell morphology, replication and signalling that can cause cell death by apoptosis [8][9]. However, the in vivo therapeutic use of HMBPs is limited by low bioavailability. Once intravenously injected, free HMBPs are only slightly
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Published 27 Nov 2018

Enhanced antineoplastic/therapeutic efficacy using 5-fluorouracil-loaded calcium phosphate nanoparticles

  • Shanid Mohiyuddin,
  • Saba Naqvi and
  • Gopinath Packirisamy

Beilstein J. Nanotechnol. 2018, 9, 2499–2515, doi:10.3762/bjnano.9.233

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  • bioavailability, increased chemical stability, stimuli-responsive behaviour, pH-dependent properties, surface engineering characteristics, low or no antigenicity [16] and aqueous solubility of calcium phosphate nanoparticles greatly enhances the therapeutic efficacy. The exploitation of calcium phosphate
  • introduced in 1958, displays higher therapeutic efficacy in solid tumours like colon, rectum and breast cancers. 5-FU exhibits increased bioavailability and a versatile generation of antineoplastic properties and is a commonly administered chemotherapeutic drug. Due to its nucleotide analogue chemical
  • . Characteristic features such as high biocompatibility, bioavailability and pH-triggered behaviour, highlight the great potential of calcium phosphate nanoparticles as carriers for biomedical applications. Moreover, the low cost, highly reproducible microemulsion synthetic procedure further enhances the
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Published 20 Sep 2018

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

  • Jaison Jeevanandam,
  • Ahmed Barhoum,
  • Yen S. Chan,
  • Alain Dufresne and
  • Michael K. Danquah

Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98

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  • protein capsids were used to encapsulate drugs, genes, enzymes or proteins for targeted delivery with biocompatibility and bioavailability [128]. Recent research efforts have focused on using viral NPs as conjugation templates to produce novel nanostructures [129][130] and cages for compound encapsulation
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Published 03 Apr 2018

Green synthesis of fluorescent carbon dots from spices for in vitro imaging and tumour cell growth inhibition

  • Nagamalai Vasimalai,
  • Vânia Vilas-Boas,
  • Juan Gallo,
  • María de Fátima Cerqueira,
  • Mario Menéndez-Miranda,
  • José Manuel Costa-Fernández,
  • Lorena Diéguez,
  • Begoña Espiña and
  • María Teresa Fernández-Argüelles

Beilstein J. Nanotechnol. 2018, 9, 530–544, doi:10.3762/bjnano.9.51

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  • 115.0, 201.1 and 286.1 (see Figure S10, Supporting Information File 1). Thus, the reduction of cancer cell viability produced by the assayed spice-derived C-dots could be attributed to the components of the spices employed for the synthesis. Even if present at low concentrations, the bioavailability of
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Published 13 Feb 2018

Development of polycationic amphiphilic cyclodextrin nanoparticles for anticancer drug delivery

  • Gamze Varan,
  • Juan M. Benito,
  • Carmen Ortiz Mellet and
  • Erem Bilensoy

Beilstein J. Nanotechnol. 2017, 8, 1457–1468, doi:10.3762/bjnano.8.145

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  • is effective against a wide spectrum of cancers. To overcome its bioavailability problems arising from very poor aqueous solubility and tendency to recrystallize upon dilution, paclitaxel is commercially formulated with co-solvents such as Cremophor EL® that are known to cause serious side effects
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Published 13 Jul 2017

Low uptake of silica nanoparticles in Caco-2 intestinal epithelial barriers

  • Dong Ye,
  • Mattia Bramini,
  • Delyan R. Hristov,
  • Sha Wan,
  • Anna Salvati,
  • Christoffer Åberg and
  • Kenneth A. Dawson

Beilstein J. Nanotechnol. 2017, 8, 1396–1406, doi:10.3762/bjnano.8.141

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  • and bioavailability of compounds in drug delivery. In vitro drug transport studies with differentiated Caco-2 barriers are usually performed using transwell systems that allow distinguishing the apical and basal side of the developed monolayer, after polarisation and tight junction expression have
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Published 07 Jul 2017

Needs and challenges for assessing the environmental impacts of engineered nanomaterials (ENMs)

  • Michelle Romero-Franco,
  • Hilary A. Godwin,
  • Muhammad Bilal and
  • Yoram Cohen

Beilstein J. Nanotechnol. 2017, 8, 989–1014, doi:10.3762/bjnano.8.101

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  • ENM properties such as agglomeration, reactivity/charge, critical functional groups, contaminant dissociation and size; evidence of toxicity; and other factors related to toxicity such as bioavailability and bioaccumulation). This outranking method has the advantage, when criteria metrics are not
  • perceived hazard/toxicity (i.e., lower score for less harmful/toxic ENM) and 5 the least favorable/more toxic); and toxicity evidence, bioavailability, and bioaccumulation (scale of 0–100 of a “subjective” probability scale constructed by the authors based on their expert judgment). In the proposed approach
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Published 05 May 2017
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