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Search for "bioactivity" in Full Text gives 41 result(s) in Beilstein Journal of Nanotechnology.

On the road to sustainability – application of metallic nanoparticles obtained by green synthesis in dentistry: a scoping review

  • Lorena Pinheiro Vasconcelos Silva,
  • Joice Catiane Soares Martins,
  • Israel Luís Carvalho Diniz,
  • Júlio Abreu Miranda,
  • Danilo Rodrigues de Souza,
  • Éverton do Nascimento Alencar,
  • Moan Jéfter Fernandes Costa and
  • Pedro Henrique Sette-de-Souza

Beilstein J. Nanotechnol. 2025, 16, 1851–1862, doi:10.3762/bjnano.16.128

Graphical Abstract
  • morphology and size, which are crucial for optimizing biological activity [8][38]. The Myrtaceae family, particularly Syzygium aromaticum, is a well-established source of eugenol, a potent phenolic compound with known antimicrobial and antioxidant properties, enhancing the bioactivity of synthesized
  • phytochemicals not only facilitate the formation of stable colloidal nanostructures but also contribute synergistically to their bioactivity, enhancing their interaction with microbial membranes and disrupting biofilm formation [10][24]. In this study, silver (66%) was the main metal used in nanoparticle
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Published 22 Oct 2025

Exploring the potential of polymers: advancements in oral nanocarrier technology

  • Rousilândia de Araujo Silva,
  • Igor Eduardo Silva Arruda,
  • Luise Lopes Chaves,
  • Mônica Felts de La Roca Soares and
  • Jose Lamartine Soares Sobrinho

Beilstein J. Nanotechnol. 2025, 16, 1751–1793, doi:10.3762/bjnano.16.122

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  • investigated. These nanoparticles (NPs) preserve the bioactivity of the active compound during gastric transit and facilitate permeation through mucus and absorption by epithelial cells, enabling targeted delivery. In essence, PNs offer superior performance in protecting, targeting, and enhancing both the
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Published 10 Oct 2025

Multifunctional anionic nanoemulsion with linseed oil and lecithin: a preliminary approach for dry eye disease

  • Niédja Fittipaldi Vasconcelos,
  • Almerinda Agrelli,
  • Rayane Cristine Santos da Silva,
  • Carina Lucena Mendes-Marques,
  • Isabel Renata de Souza Arruda,
  • Priscilla Stela Santana de Oliveira,
  • Mércia Liane de Oliveira and
  • Giovanna Machado

Beilstein J. Nanotechnol. 2025, 16, 1711–1733, doi:10.3762/bjnano.16.120

Graphical Abstract
  • bioactivity. No signs of oxidation or thermal degradation were observed at this temperature. TGA and DSC analyses confirm that degradation processes begin only above 340 °C, ensuring that the oil’s quality and functional properties are preserved during formulation. The optimal lecithin concentration was
  • reveal that degradation only occurs above 340 °C, ensuring that the formulation temperature does not affect the oil’s quality or bioactivity. Overall, the oil’s consistent thermal stability, fatty acid profile, and reduced viscosity under heat facilitate the formation of nanoemulsions, thereby enhancing
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Published 02 Oct 2025

Acrocomia aculeata oil-loaded nanoemulsion: development, anti-inflammatory properties, and cytotoxicity evaluation

  • Verónica Bautista-Robles,
  • Hady Keita,
  • Edgar Julián Paredes Gamero,
  • Layna Tayná Brito Leite,
  • Jessica de Araújo Isaías Muller,
  • Mônica Cristina Toffoli Kadri,
  • Ariadna Lafourcade Prada and
  • Jesús Rafael Rodríguez Amado

Beilstein J. Nanotechnol. 2025, 16, 1277–1288, doi:10.3762/bjnano.16.93

Graphical Abstract
  • efficient interaction with cellular receptors, contributing to its heightened bioactivity [57]. Collectively, these findings suggest that bocaiúva oil-based nanoemulsions hold promising potential as anti-inflammatory agents. Further analysis using the carrageenan-induced paw edema model revealed that the
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Published 06 Aug 2025

Functional bio-packaging enhanced with nanocellulose from rice straw and cinnamon essential oil Pickering emulsion for fruit preservation

  • Tuyen B. Ly,
  • Duong D. T. Nguyen,
  • Hieu D. Nguyen,
  • Yen T. H. Nguyen,
  • Bup T. A. Bui,
  • Kien A. Le and
  • Phung K. Le

Beilstein J. Nanotechnol. 2025, 16, 1234–1245, doi:10.3762/bjnano.16.91

Graphical Abstract
  • , enhanced bioactivity, and greater environmental sustainability. This synergy paves the way for scalable, eco-friendly solutions that align with industrial demands for highly functional packaging materials. To validate its real-world applicability, the biopackaging was tested on strawberry, a nutritious
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Published 04 Aug 2025

Chitosan nanocomposite containing rotenoids: an alternative bioinsecticidal approach for the management of Aedes aegypti

  • Maria A. A. Bertonceli,
  • Vitor D. C. Cristo,
  • Ivo J. Vieira,
  • Francisco J. A. Lemos,
  • Arnoldo R. Façanha,
  • Raimundo Braz-Filho,
  • Gustavo V. T. Batista,
  • Luis G. M. Basso,
  • Sérgio H. Seabra,
  • Thalya S. R. Nogueira,
  • Felipe F. Moreira,
  • Arícia L. E. M. Assis,
  • Antônia E. A. Oliveira and
  • Kátia V. S. Fernandes

Beilstein J. Nanotechnol. 2025, 16, 1197–1208, doi:10.3762/bjnano.16.88

Graphical Abstract
  • into the chitosan-based nanocomposite and suggest molecular interactions that may contribute to the enhanced stability and bioactivity of the formulation. To complement the physicochemical characterization and confirm the efficiency of rotenoid encapsulation within the nanoparticles, a calibration
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Published 28 Jul 2025

Colloidal few layered graphene–tannic acid preserves the biocompatibility of periodontal ligament cells

  • Teissir Ben Ammar,
  • Naji Kharouf,
  • Dominique Vautier,
  • Housseinou Ba,
  • Nivedita Sudheer,
  • Philippe Lavalle and
  • Vincent Ball

Beilstein J. Nanotechnol. 2025, 16, 664–677, doi:10.3762/bjnano.16.51

Graphical Abstract
  • hydrogen bonds and coat various surfaces [23]. Our results are compatible with a model where adsorbed TA molecules create a partially active antioxidant layer on the FLG surface, maintaining bioactivity while enhancing graphene colloid stability. Unfortunately, the zeta potential of the FLG–TA material in
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Published 20 May 2025

Polyurethane/silk fibroin-based electrospun membranes for wound healing and skin substitute applications

  • Iqra Zainab,
  • Zohra Naseem,
  • Syeda Rubab Batool,
  • Muhammad Waqas,
  • Ahsan Nazir and
  • Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 591–612, doi:10.3762/bjnano.16.46

Graphical Abstract
  • applications without affecting the structure or bioactivity. The effective encapsulation of STZ was confirmed by FTIR, and the nanofibers showed high cytocompatibility in cell viability tests. STZ was released from nanofibers over 6 h, and its antibacterial activity was demonstrated through the formation of a
  • new area for exploring an environmentally friendly variant of urethanes. Typical 3D printing frequently uses heat, organic solvents, or cross-linkers, which decrease the bioactivity of the chemicals. It may be challenging to include bioactive compounds for controlled release. Thus, a water-based
  • biodegradable PU has been utilized to develop 3D printing materials with regulated bioactivity for cartilage tissue engineering [148]. The printing ink contains a water-based dispersion of synthetic biodegradable PU nanoparticles, hyaluronan, and bioactive substances. The ink was used at low temperatures to
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Published 24 Apr 2025

Synthetic-polymer-assisted antisense oligonucleotide delivery: targeted approaches for precision disease treatment

  • Ana Cubillo Alvarez,
  • Dylan Maguire and
  • Ruairí P. Brannigan

Beilstein J. Nanotechnol. 2025, 16, 435–463, doi:10.3762/bjnano.16.34

Graphical Abstract
  • [111]. Thanks to the ability of PEI to efficiently bind negatively charged macromolecules and overcome cellular barriers, PEI-based systems have been extensively investigated for targeted antisense oligonucleotide and gene delivery. In 2011, Yang et al. studied the bioactivity in vitro and in vivo of
  • bioactivity of the conjugates was found strongly influenced by the molecular weight of the polycation. Complexes formed with PEI2.5kDa and PEI5kDa exhibited lower transfection efficiency and poor gene silencing compared to PEI25kDa complexes. In addition, the introduction of dodecane diol polymers played a
  • -modified vectors showed enhanced gene knockdown in vitro compared to unmodified PEI, regardless of the hydrophobic ligand. Notably, bioactivity was found to be directly correlated to alkane chain length, and fluoroalkylated systems generally outperformed their alkene and cycloalkene counterparts, achieving
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Published 27 Mar 2025

Polymer lipid hybrid nanoparticles for phytochemical delivery: challenges, progress, and future prospects

  • Iqra Rahat,
  • Pooja Yadav,
  • Aditi Singhal,
  • Mohammad Fareed,
  • Jaganathan Raja Purushothaman,
  • Mohammed Aslam,
  • Raju Balaji,
  • Sonali Patil-Shinde and
  • Md. Rizwanullah

Beilstein J. Nanotechnol. 2024, 15, 1473–1497, doi:10.3762/bjnano.15.118

Graphical Abstract
  • poor solubility in the GI milieu and limited absorption from the GIT, resulting in low oral bioavailability and, consequently, reduced bioactivity. Recent advances regarding PLHNPs encapsulating single phytochemicals to overcome the limitations and better management of different diseases are discussed
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Published 22 Nov 2024

Development and characterization of potential larvicidal nanoemulsions against Aedes aegypti

  • Jonatas L. Duarte,
  • Leonardo Delello Di Filippo,
  • Anna Eliza Maciel de Faria Mota Oliveira,
  • Rafael Miguel Sábio,
  • Gabriel Davi Marena,
  • Tais Maria Bauab,
  • Cristiane Duque,
  • Vincent Corbel and
  • Marlus Chorilli

Beilstein J. Nanotechnol. 2024, 15, 104–114, doi:10.3762/bjnano.15.10

Graphical Abstract
  • concentrations (5 mg/L and 25 mg/L) compared to free cymene. This suggests that the encapsulation influences the bioactivity, potentially because of improved dispersion and controlled release of cymene. Similarly, free myrcene exhibited a concentration-dependent efficacy. Myrcene NEs consistently outperformed
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Published 18 Jan 2024

Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

  • Lester Uy Vinzons,
  • Guo-Chung Dong and
  • Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

Graphical Abstract
  • had a rounded bottom. The space between the pillars and holes were around 860 nm and 330 nm, respectively. The wettability of a surface is a good predictor of protein adsorption and bioactivity [20]. For the extracellular matrix protein laminin, good adsorption and cell growth have been found on
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Published 29 Nov 2023

Silver nanoparticles loaded on lactose/alginate: in situ synthesis, catalytic degradation, and pH-dependent antibacterial activity

  • Nguyen Thi Thanh Tu,
  • T. Lan-Anh Vo,
  • T. Thu-Trang Ho,
  • Kim-Phuong T. Dang,
  • Van-Dung Le,
  • Phan Nhat Minh,
  • Chi-Hien Dang,
  • Vinh-Thien Tran,
  • Van-Su Dang,
  • Tran Thi Kim Chi,
  • Hieu Vu-Quang,
  • Radek Fajgar,
  • Thi-Lan-Huong Nguyen,
  • Van-Dat Doan and
  • Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2023, 14, 781–792, doi:10.3762/bjnano.14.64

Graphical Abstract
  • microbial strains S. aureus (Gram-positive) and S. typhi (Gram-negative) using the disk diffusion method at different pH values. To establish the bioactivity of the nanocomposite, antibacterial assays were also conducted in media with different pH values without the nanocomposite. These resulted in no
  • bioactivity against either of the strains, indicating that the observed bioactivity was due to the nanocomposite alone (Supporting Information File 1, Figure S1). Inhibition images and inhibition zone plots of AgNPs@Lac/Alg at different pH values are presented in Figure 9. The results show that the
  • surface properties of silver nanoparticles. The highest bioactivity was observed at pH 6. These findings suggest that the nanocomposite may be customized for specific applications in environmental and medicinal treatments, making it a promising material. Experimental Materials The following chemicals and
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Published 04 Jul 2023

Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials

  • Celia Martín-Morales,
  • Jorge Fernández-Méndez,
  • Pilar Aranda and
  • Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43

Graphical Abstract
  • bioactivity. Thus, the encapsulation efficiency is improved compared to the approach using a direct contact of cells in a silica matrix. Encapsulated yeast produced ethanol over a period of several days, pointing out the useful biocatalytic potential of the approach and suggesting further optimization of the
  • results, yolk–shell microstructures embedded within a silica gel matrix appear as the most suitable candidates for robust, easy-to-handle biohybrid materials to retain the bioactivity of the encapsulated microorganisms. It should be considered that, although the viability in sepiolite–biopolymer materials
  • , indicating that product removal must be considered as a way to retain the material’s bioactivity. Conclusion The present contribution describes the application of the nanoarchitectonics concept to contribute to the development of new bio-inorganic systems based on the assembly of living unicellular
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Published 25 Apr 2023

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

  • Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

Graphical Abstract
  • yield unusual physical properties. A recent review by Tsuji reports the realization of cryogenic properties at room temperature by chemical immobilization of molecular structures [94]. Functions such as optoelectronic properties and bioactivity of materials strongly depend on molecular structures
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Published 03 Apr 2023

Hydroxyapatite–bioglass nanocomposites: Structural, mechanical, and biological aspects

  • Olga Shikimaka,
  • Mihaela Bivol,
  • Bogdan A. Sava,
  • Marius Dumitru,
  • Christu Tardei,
  • Beatrice G. Sbarcea,
  • Daria Grabco,
  • Constantin Pyrtsac,
  • Daria Topal,
  • Andrian Prisacaru,
  • Vitalie Cobzac and
  • Viorel Nacu

Beilstein J. Nanotechnol. 2022, 13, 1490–1504, doi:10.3762/bjnano.13.123

Graphical Abstract
  • , which exhibits a strong correlation with porosity, as well as on the mineralization capability and cell viability due to the different dissolution rate. Keywords: bioactivity; hardness; microstructure; nanocomposites; porosity; Introduction Within the last decades increasing emphasis is placed on the
  • bioactivity of the glass, which has a higher dissolution rate and promotes the formation of a carbonated hydroxyapatite (CHA) layer on its surface, which is responsible for implant–bone bonding [6]. The composition of the most famous bioglass, 45S5 Bioglass [7], includes the principal elements of the bone, Ca
  • -12MgO-8K2O-40P2O5-20SiO2-5ZnO-5CeO2 (mol %). This composition was chosen in order to combine high solubility of the glass with increased bioactivity, due to the high fraction of P2O5 and, simultaneously, the rather high fraction of SiO2. The inclusion of magnesium and potassium in conjunction with the
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Published 12 Dec 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
  • growth at 25 µg/mL. The bioactivity of the composites was evaluated by simulation studies of body fluids. The results show that the composites can form hydroxyapatite bone minerals crystals in a ratio of Ca/P 1.67 [70]. Huang et al. (2017) have created a zinc-incorporated chitosan/gelatin nanocomposite
  • min [68] (Figure 4). Cancian et al. (2016) developed a novel bioactive scaffold based on a thermosensitive chitosan hydrogel. In this work, carbon nanotubes were used to stabilise the chitosan hydrogel, which offers mechanical strength and controlled release of protein therapeutics. The bioactivity of
  • in order to achieve vascularization and rapid tissue growth. To achieve tissue scaffold maturation, research into the development of scaffolds with supplied growth factors, programmable degradation rate, and good mechanical stiffness with improved bioactivity is required. Furthermore, mathematical
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Published 29 Sep 2022

Bioselectivity of silk protein-based materials and their bio-inspired applications

  • Hendrik Bargel,
  • Vanessa T. Trossmann,
  • Christoph Sommer and
  • Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

Graphical Abstract
  • biomedicine and tissue engineering, since they exhibit promising chemical and physical properties, such as bioactivity, structural integrity, and cell stimulation [29][30]. Biomimetic materials modulating specific cellular responses and tissue regeneration have been developed by adjusting and modifying
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Published 08 Sep 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
  • , microsphere structures can be independently used as carriers for the delivery of drugs and bioactive molecules to repair cartilage defects. The sustained release of PTH (1-34) from PLGA microspheres improved papain-induced defects in a rat model of OA and retained the bioactivity of the released peptide up to
  • nanotubes enhanced the biocompatibility and bioactivity of the PCL microspheres and provided an excellent biomaterial for cell differentiation and mineralization. In recent years, numerous efforts have been made to evaluate new candidate biomaterials to bridge the gap between material sciences and
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Published 11 Apr 2022

Engineered titania nanomaterials in advanced clinical applications

  • Padmavati Sahare,
  • Paulina Govea Alvarez,
  • Juan Manual Sanchez Yanez,
  • Gabriel Luna-Bárcenas,
  • Samik Chakraborty,
  • Sujay Paul and
  • Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

Graphical Abstract
  • alginate, gelatin, and chitosan to enhance strength and durability [70]. In another strategy to improve the bioactivity of titania scaffolds, alkaline phosphatase (ALP) was functionalized onto 3D TiO2 scaffolds based on a simple dip-coating method. ALP catalyzes the hydrolysis of organic phosphate that
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Published 14 Feb 2022

Identifying diverse metal oxide nanomaterials with lethal effects on embryonic zebrafish using machine learning

  • Richard Liam Marchese Robinson,
  • Haralambos Sarimveis,
  • Philip Doganis,
  • Xiaodong Jia,
  • Marianna Kotzabasaki,
  • Christiana Gousiadou,
  • Stacey Lynn Harper and
  • Terry Wilkins

Beilstein J. Nanotechnol. 2021, 12, 1297–1325, doi:10.3762/bjnano.12.97

Graphical Abstract
  • descriptor values for each new copy being randomly perturbed. This was successfully applied by Cortes-Ciriano and Bender to improve predictive performance for regression QSAR modelling of molecular bioactivity [36]. The effectiveness of this approach relies upon the similarity principle, that is, the
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Published 29 Nov 2021

Use of nanosystems to improve the anticancer effects of curcumin

  • Andrea M. Araya-Sibaja,
  • Norma J. Salazar-López,
  • Krissia Wilhelm Romero,
  • José R. Vega-Baudrit,
  • J. Abraham Domínguez-Avila,
  • Carlos A. Velázquez Contreras,
  • Ramón E. Robles-Zepeda,
  • Mirtha Navarro-Hoyos and
  • Gustavo A. González-Aguilar

Beilstein J. Nanotechnol. 2021, 12, 1047–1062, doi:10.3762/bjnano.12.78

Graphical Abstract
  • that could impact the performance of CUR-based nanosystems as a cancer therapy option are also considered. Due to the large body of evidence supporting the bioactivity of CUR, it has been widely considered a suitable molecule to be encapsulated in order to increase and target its delivery. The evidence
  • on this regard was reviewed by Naksuriya et al. [22]. Furthermore, it should be noted that the anticancer bioactivity of CUR is preserved when the parent compound is modified into derivative compounds, such as dimethyl CUR, metal–CUR complexes, tetrahydrocurcumin among others [23]. According to this
  • customizing the basic nanosystem. Although these are beyond the scope of the present work, their presence should be acknowledged as additional tools, which can be used to potentiate the already high bioactivity of CUR (and other molecules of interest) for anticancer or other health-promoting uses. It is also
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Published 15 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

Mannosylated brush copolymers based on poly(ethylene glycol) and poly(ε-caprolactone) as multivalent lectin-binding nanomaterials

  • Stefania Ordanini,
  • Wanda Celentano,
  • Anna Bernardi and
  • Francesco Cellesi

Beilstein J. Nanotechnol. 2019, 10, 2192–2206, doi:10.3762/bjnano.10.212

Graphical Abstract
  • functionality can influence the macromolecule bioactivity [8]. Controlled radical polymerization (CRP) techniques, such as atom transfer radical polymerization (ATRP), reversible addition fragmentation chain transfer (RAFT) polymerization, single-electron transfer living radical polymerization (SET-LRP) and
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Published 07 Nov 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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  • Pascal L. Stahr Cornelia M. Keck Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany 10.3762/bjnano.10.185 Abstract Nanocrystals are used as universal approach to improve the bioactivity of poorly soluble active ingredients
  • oral or parenteral administration, nanocrystals can also be used to improve the bioactivity of poorly soluble active ingredients via other routes of administration. Examples include pulmonal, ocular or dermal application [8][9][10][11][12]. Nanocrystals can be produced by different methods. Examples
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Published 19 Sep 2019
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