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Search for "physicochemical" in Full Text gives 315 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Upscaling the urea method synthesis of CoAl layered double hydroxides

  • Camilo Jaramillo-Hernández,
  • Víctor Oestreicher,
  • Martín Mizrahi and
  • Gonzalo Abellán

Beilstein J. Nanotechnol. 2023, 14, 927–938, doi:10.3762/bjnano.14.76

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  • (P, As, Sb and Bi)) to multielementals (e.g., boron nitrate, metal dichalcogenides, MXenes, layered metal/covalent organic frameworks, or layered hydroxides/oxides) [9][10][11]. These systems exhibit an enormous variability in their physicochemical properties, which are defined by their layer-to
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Published 11 Sep 2023

Antibody-conjugated nanoparticles for target-specific drug delivery of chemotherapeutics

  • Mamta Kumari,
  • Amitabha Acharya and
  • Praveen Thaggikuppe Krishnamurthy

Beilstein J. Nanotechnol. 2023, 14, 912–926, doi:10.3762/bjnano.14.75

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  • affected by their physicochemical properties, including hydrodynamic diameter, surface potential, shape, functional groups, and hydrophobicity. The protein corona reduces the targeted delivery of NPs by disturbing or inhibiting the binding of target molecules to their receptors. Mirshafiee et al. used a
  • , and enhanced physicochemical features [89][90]. However, NPs can also be restricted by biological barriers; thus, to achieve site-specific delivery, the exterior of NPs is decorated with highly compatible ligands to enhance the receptor-mediated internalization of NPs [91]. The multifunctionalization
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Published 04 Sep 2023

Nanostructured lipid carriers containing benznidazole: physicochemical, biopharmaceutical and cellular in vitro studies

  • Giuliana Muraca,
  • María Esperanza Ruiz,
  • Rocío C. Gambaro,
  • Sebastián Scioli-Montoto,
  • María Laura Sbaraglini,
  • Gisel Padula,
  • José Sebastián Cisneros,
  • Cecilia Yamil Chain,
  • Vera A. Álvarez,
  • Cristián Huck-Iriart,
  • Guillermo R. Castro,
  • María Belén Piñero,
  • Matias Ildebrando Marchetto,
  • Catalina Alba Soto,
  • Germán A. Islan and
  • Alan Talevi

Beilstein J. Nanotechnol. 2023, 14, 804–818, doi:10.3762/bjnano.14.66

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  • . These results show potential for the development of new nanomedicines against T. cruzi. Keywords: benznidazole; biopharmaceutical study; Chagas disease; nanoparticles; nanostructured lipid carriers; physicochemical characterization; Trypanosoma cruzi; Introduction Chagas disease is a neglected disease
  • development of nanostructured lipid carriers (NLC) [20]. Here, we resort to NLC encapsulating BNZ, describing the preparation, physicochemical and biopharmaceutical characterization, and in vitro evaluation against T. cruzi intracellular and blood circulating forms. Interestingly, our formulation achieves a
  • other researchers working in the field. Results and Discussion Formulation and physicochemical characterization of NLC-BNZ Nanoparticle formulations were prepared by the ultrasonication method and named as NLC-BNZ or NLC-VEHICLE, in that order, depending on whether they contained BNZ or not. Stable
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Published 28 Jul 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
  • . Subsequently, AgNPs@Lac/Alg was characterized using various analytical techniques and applied for the catalytic degradation of contaminants and in bacterial activity assays. Absorption spectra were analyzed to monitor changes in physicochemical properties at the maximum peak region of surface plasmon resonance
  • in the absorbance value in the UV–vis spectra. Minor changes in λmax values were noted from the absorption data, indicating a slight influence of the silver-ion-to-nanocomposite ratio on the physicochemical properties of the synthesized AgNPs. Considering these findings, two ratios of silver ions to
  • Lac/Alg, namely 0.3 (AgNPs@Lac/Alg-0.3) and 0.7 (AgNPs@Lac/Alg-0.7), were selected for further physicochemical characterizations. Physicochemical characterizations The stability and size of the nanocomposites in the colloidal solution were evaluated through zeta potential and DLS measurements at a
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Published 04 Jul 2023

In situ magnesiothermic reduction synthesis of a Ge@C composite for high-performance lithium-ion batterie anodes

  • Ha Tran Huu,
  • Ngoc Phi Nguyen,
  • Vuong Hoang Ngo,
  • Huy Hoang Luc,
  • Minh Kha Le,
  • Minh Thu Nguyen,
  • My Loan Phung Le,
  • Hye Rim Kim,
  • In Young Kim,
  • Sung Jin Kim,
  • Van Man Tran and
  • Vien Vo

Beilstein J. Nanotechnol. 2023, 14, 751–761, doi:10.3762/bjnano.14.62

Graphical Abstract
  • between the components obtained via this route. Results and Discussion Physicochemical characterization The synthesis of Ge/C-iM750 (see Experimental section for sample denominations) was carried out through a one-pot in situ generation of Ge nanoparticles in the presence of a carbon matrix. In this
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Published 26 Jun 2023

Nanomaterials for photocatalysis and applications in environmental remediation and renewable energy

  • Viet Van Pham and
  • Wee-Jun Ong

Beilstein J. Nanotechnol. 2023, 14, 722–724, doi:10.3762/bjnano.14.58

Graphical Abstract
  • , and related fields [4]. To reduce contaminants (e.g., air pollution (CO2, NOx, SO2), POPs) there are many routes (e.g., physicochemical approaches, biological fixation, advanced oxidation process, and photocatalysis [5][6][7][8]). Among the aforementioned methods, the photocatalysis route is
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Published 13 Jun 2023

Humidity-dependent electrical performance of CuO nanowire networks studied by electrochemical impedance spectroscopy

  • Jelena Kosmaca,
  • Juris Katkevics,
  • Jana Andzane,
  • Raitis Sondors,
  • Liga Jasulaneca,
  • Raimonds Meija,
  • Kiryl Niherysh,
  • Yelyzaveta Rublova and
  • Donats Erts

Beilstein J. Nanotechnol. 2023, 14, 683–691, doi:10.3762/bjnano.14.54

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  • chemisorption and physisorption at the nanowire interface, which suppress electronic transport inside the p-type semiconductor nanowire but enhance ionic transport in the water layers adsorbed on the nanowire surface. Possible physicochemical processes at the nanowire surface are discussed in line with
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Published 05 Jun 2023

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

  • Akeem Adeyemi Oladipo,
  • Saba Derakhshan Oskouei and
  • Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

Graphical Abstract
  • electrochemical sensors (Figure 10). The target analyte interacts with the recognition layer at the sensing electrode surface to produce an electrical signal that contains the analytical information. Chemical reactions (redox reactions) on the electrode surface are converted by the physicochemical transducer into
  • ions. By regulating how many ligands can bind to the metal and in which direction, the coordination preference of the metal, for instance, affects the stability, size, and nature of the formed pores. Electronic and optical properties of MOFs In addition to the physicochemical characteristics of MOFs
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Published 01 Jun 2023

Carbon nanotube-cellulose ink for rapid solvent identification

  • Tiago Amarante,
  • Thiago H. R. Cunha,
  • Claudio Laudares,
  • Ana P. M. Barboza,
  • Ana Carolina dos Santos,
  • Cíntia L. Pereira,
  • Vinicius Ornelas,
  • Bernardo R. A. Neves,
  • André S. Ferlauto and
  • Rodrigo G. Lacerda

Beilstein J. Nanotechnol. 2023, 14, 535–543, doi:10.3762/bjnano.14.44

Graphical Abstract
  • mechanism of polymer composites with physicochemical characteristics such as dielectric constant, specific heat, and vapor pressure [25][56][57]. Our ink-based devices could extract those characteristics even from unknown samples and mixtures. Finally, test analysis using principal component analysis (PCA
  • ) with physicochemical properties of the organic solvents (vapor pressure and dielectric constant) [63][64]. Guided by previous studies that show the electrical response is due to the swelling of CPCs [25][56][57], we found that the maximum value in the Gain curve (max) is proportional to the dielectric
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Published 26 Apr 2023

On the use of Raman spectroscopy to characterize mass-produced graphene nanoplatelets

  • Keith R. Paton,
  • Konstantinos Despotelis,
  • Naresh Kumar,
  • Piers Turner and
  • Andrew J. Pollard

Beilstein J. Nanotechnol. 2023, 14, 509–521, doi:10.3762/bjnano.14.42

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  • , Enabling innovation to meet UK Net Zero targets through physicochemical metrology of nanoscale advanced materials) for funding.
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Published 24 Apr 2023

New trends in nanobiotechnology

  • Pau-Loke Show,
  • Kit Wayne Chew,
  • Wee-Jun Ong,
  • Sunita Varjani and
  • Joon Ching Juan

Beilstein J. Nanotechnol. 2023, 14, 377–379, doi:10.3762/bjnano.14.32

Graphical Abstract
  • agent for nanomaterials synthesis. The review is concluded providing an outlook of these two components (i.e., deep eutectic solvents and carrageenan) as alternatives for the formation of plasmonic metal nanoparticles. The importance of applying these tools to improve the physicochemical properties and
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Published 27 Mar 2023

Polymer nanoparticles from low-energy nanoemulsions for biomedical applications

  • Santiago Grijalvo and
  • Carlos Rodriguez-Abreu

Beilstein J. Nanotechnol. 2023, 14, 339–350, doi:10.3762/bjnano.14.29

Graphical Abstract
  • , particularly by the phase inversion composition method, and the use of these nanoemulsions as templates for the preparation of polymer nanoparticles for biomedical applications are reviewed. The methods of preparation, nature of the components in the formulation, and their impact on the physicochemical
  • nanoemulsions and derived PLGA nanoparticles discussed above are summarized in Table 2. 3.3 Polyurethane and polyurea nanoparticles Polyurethane and polyurea are polymers that can be made biocompatible and display superior physicochemical properties. Therefore, they are attractive for biomedical applications
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Published 13 Mar 2023

Overview of mechanism and consequences of endothelial leakiness caused by metal and polymeric nanoparticles

  • Magdalena Lasak and
  • Karol Ciepluch

Beilstein J. Nanotechnol. 2023, 14, 329–338, doi:10.3762/bjnano.14.28

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  • Magdalena Lasak Karol Ciepluch Division of Medical Biology, Jan Kochanowski University in Kielce, Uniwersytecka Street 7, Kielce, Poland 10.3762/bjnano.14.28 Abstract Nanoparticles (NPs) exhibit unique physicochemical properties that enable them to overcome biological barriers and to be
  • increasing the access to the target sites in the organism. This type of interaction can lead to NP-modulated endothelial leakiness (NanoEL). The most important factors determining NanoEL are the physicochemical properties of the NPs. NP-modulated endothelial leakiness can lead to the discovery of new
  • [18][19][20][21][22][23]. NPs exhibit unique physicochemical properties that enable them to overcome biological barriers, such as negative surface charge and sizes from 5 to 50 nm. Moreover, most of the administered NPs eventually end up in the bloodstream, which facilitates their interaction with the
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Published 08 Mar 2023

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

  • Akeem Adeyemi Oladipo and
  • Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

Graphical Abstract
  • promising green and sustainable wastewater treatment method for a cleaner environment. Due to their narrow bandgaps, distinctive layered structures, plasmonic, piezoelectric and ferroelectric properties, and desirable physicochemical features, bismuth-based nanostructure photocatalysts have emerged as one
  • precipitation, in particular, are believed to be ineffective [4][11]. As a result of the non-biodegradable and persistent nature of the majority of organic contaminants, some physicochemical treatment techniques, such as adsorption, are ineffective in removing them from water resources [11]. Because of their
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Published 03 Mar 2023

Biocatalytic synthesis and ordered self-assembly of silica nanoparticles via a silica-binding peptide

  • Mustafa Gungormus

Beilstein J. Nanotechnol. 2023, 14, 280–290, doi:10.3762/bjnano.14.25

Graphical Abstract
  • . Capping agents are not only used to regulate growth and size of colloidal nanoparticles, but also to control the physicochemical or biological characteristics. As will be demonstrated below, in addition to the size of the particles, the SiBP also changes the surface charge of the particles, resulting in
  • synthesis and assembly of SiO2 nanoparticles into gels or opal-like ordered structures. Experimental Synthesis of the peptide The SiBP was commercially synthesized (Genscript, NJ, USA) at <98% purity via 9-fluorenylmethoxycarbonyl (F-moc) chemistry methods. The amino acid sequence and physicochemical
  • -range homogeneity of self-assembly of as-synthesized SiO2 particles formed with NH3 alone and NH3 + 1 mM SiBP. Amino acid sequence and physicochemical properties of the SiBP. Reaction contents for the different conditions studied. Supporting Information Supporting Information features mass spectra of
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Published 28 Feb 2023

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

  • Filip Gorachinov,
  • Fatima Mraiche,
  • Diala Alhaj Moustafa,
  • Ola Hishari,
  • Yomna Ismail,
  • Jensa Joseph,
  • Maja Simonoska Crcarevska,
  • Marija Glavas Dodov,
  • Nikola Geskovski and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

Graphical Abstract
  • microenvironment, and tumor cells, (ii) delivering large payloads of active substances with different physicochemical properties, such as small-molecular drugs and siRNA, to the site of action, and (iii) limiting drug resistance [91]. Nanotherapy can change the landscape of clinical lung cancer treatment by
  • task limited by extracellular and intracellular challenges. Combinatorial therapy further complicates the right-time, right-place co-delivery of siRNA with other active ingredients due to the differences in the physicochemical properties, delivery, and stability problems. The nanoparticle core for
  • physicochemical properties (polar headgroup, linker region, and type and length of hydrophobic domain), PEG amount, PEG lipid alkyl length, as well as the physicochemical properties of the LNPs (zeta potential, pKa value, and structure and conformation of the lipid bilayer) will result in improved targeting
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Published 22 Feb 2023

Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

  • Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

Graphical Abstract
  • developments in nanoarchitectonics, these excellent properties of CyDs have been further extended to the construction of well-designed nanostructures for advanced drug delivery systems (DDSs). In some nanoarchitectures, their physicochemical and biological properties are successfully modulated by using CyDs as
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Published 09 Feb 2023

A novel approach to pulsed laser deposition of platinum catalyst on carbon particles for use in polymer electrolyte membrane fuel cells

  • Bogusław Budner,
  • Wojciech Tokarz,
  • Sławomir Dyjak,
  • Andrzej Czerwiński,
  • Bartosz Bartosewicz and
  • Bartłomiej Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 190–204, doi:10.3762/bjnano.14.19

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  • electric power generation. Among various fuel cells, polymer electrolyte membrane fuel cells (PEMFCs) have received considerable attention because of several physicochemical advantages over other fuel cell types [1][2][3][4][5]. PEMFCs, constructed of polymer electrolyte membranes as the proton conductor
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Published 02 Feb 2023

Two-step single-reactor synthesis of oleic acid- or undecylenic acid-stabilized magnetic nanoparticles by thermal decomposition

  • Mykhailo Nahorniak,
  • Pamela Pasetto,
  • Jean-Marc Greneche,
  • Volodymyr Samaryk,
  • Sandy Auguste,
  • Anthony Rousseau,
  • Nataliya Nosova and
  • Serhii Varvarenko

Beilstein J. Nanotechnol. 2023, 14, 11–22, doi:10.3762/bjnano.14.2

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  • as the initial precursor. The properties of the synthesized materials were studied using various methods. Results and Discussion The physicochemical properties of NPM synthesized via thermal decomposition depend on many factors, such as selection of precursors and organic stabilizers, ligand
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Published 03 Jan 2023

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

  • Yuran Wang,
  • Xudong Li,
  • Haijun Chen and
  • Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

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  • materials. In addition, AB-LNPs could cause severe cytotoxicity when exposed to only a very low dose of laser irradiation (0.5 W/cm2, 60 s), which is beneficial to clinical application. Conclusion AB-LNPs were prepared by simply mixing Au-LNPs with BDP. The physicochemical properties of AB-LNPs were closely
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Published 02 Dec 2022

Orally administered docetaxel-loaded chitosan-decorated cationic PLGA nanoparticles for intestinal tumors: formulation, comprehensive in vitro characterization, and release kinetics

  • Sedat Ünal,
  • Osman Doğan and
  • Yeşim Aktaş

Beilstein J. Nanotechnol. 2022, 13, 1393–1407, doi:10.3762/bjnano.13.115

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  • EL and polysorbate 80 included in the formulations. This situation requires routine premedication with antihistamines and/or glucocorticoids for patients to whom docetaxel will be administered [37][38]. While physicochemical problems such as insolubility can be overcome with innovative and rational
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Published 23 Nov 2022

Supramolecular assembly of pentamidine and polymeric cyclodextrin bimetallic core–shell nanoarchitectures

  • Alexandru-Milentie Hada,
  • Nina Burduja,
  • Marco Abbate,
  • Claudio Stagno,
  • Guy Caljon,
  • Louis Maes,
  • Nicola Micale,
  • Massimiliano Cordaro,
  • Angela Scala,
  • Antonino Mazzaglia and
  • Anna Piperno

Beilstein J. Nanotechnol. 2022, 13, 1361–1369, doi:10.3762/bjnano.13.112

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  • nanostructures endowed with unique physicochemical properties. Recently, we have proposed a straightforward synthetic strategy that exploits the properties of polymeric β-cyclodextrin (PolyCD) to act as both the reducing and stabilizing agent to produce monodispersed and stable gold-based NPs either as
  • -inflammatory, and anticancer). The physicochemical characterization of the supramolecular assembly (nanoGSP) in terms of size and colloidal stability was investigated by complementary spectroscopic techniques, such as UV–vis, ζ-potential, and dynamic light scattering (DLS). Furthermore, the role of PolyCD
  • composed of gold and/or silver, are versatile agents endowed with unique physicochemical properties, which recently have drawn great interest for a variety of applications ranging from catalysis to nanomedicine [1][2][3]. The size of the NPs is a key parameter that defines their optical properties
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Published 18 Nov 2022

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

  • Yinglin Ma,
  • Xiangyun Xiao and
  • Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

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  • . A similar QCM response is also seen for gelatin. As physicochemical properties of BSA and gelatin are different, it was inferred that the chiral sensing effect of this system could be applied to various protein species. The authors further employed fluorescent titration measurements to study the
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Published 27 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

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  • concluded from the presented studies, the current state of knowledge is related mostly to physicochemical parameters and the number of studies performed with the use of in vivo models is rather limited. It is also noteworthy that the available data refer to animals and, to the best of our knowledge, no
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Published 24 Oct 2022

Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications

  • Aisha Kanwal,
  • Naheed Bibi,
  • Sajjad Hyder,
  • Arif Muhammad,
  • Hao Ren,
  • Jiangtao Liu and
  • Zhongli Lei

Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93

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  • their functional properties [5][6]. These exceptional optical and physicochemical properties make them ideal for transdisciplinary research. Fluorescent CDs can be manufactured using inexpensive, naturally rich carbon sources in an environmentally friendly manner. By adjusting the surface chemistry of
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Published 05 Oct 2022
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