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Search for "electrostatic interactions" in Full Text gives 120 result(s) in Beilstein Journal of Nanotechnology.

Synthesis of a multicomponent cellulose-based adsorbent for tetracycline removal from aquaculture water

  • Uyen Bao Tran,
  • Ngoc Thanh Vo-Tran,
  • Khai The Truong,
  • Dat Anh Nguyen,
  • Quang Nhat Tran,
  • Huu-Quang Nguyen,
  • Jaebeom Lee and
  • Hai Son Truong-Lam

Beilstein J. Nanotechnol. 2025, 16, 728–739, doi:10.3762/bjnano.16.56

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  • were characterized, and the TC adsorption efficiency of PGC was assessed using high-performance liquid chromatography–mass spectroscopy (HPLC-MS). Elemental analysis of PGC identified four key mechanisms governing its endothermic TC adsorption mechanism: surface complexation, electrostatic interactions
  • involves van der Waals forces, which primarily represent electrostatic interactions. Notably, TC is an aromatic organic compound with an amino group that can accept protons (H+) from the environment, acquiring a positive charge. The CMC network within PGC includes oxygen-containing functional groups (‒OH
  • , ‒C=O, and ‒COOH), which confer a negative charge, enabling electrostatic interactions (Figure 6b). FTIR spectroscopy (Figure 2g) confirms the presence of these oxygen-containing functional groups on PGC, supporting this explanation. Thus, electrostatic attraction between the positively charged TC–N
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Published 27 May 2025

Nanoscale capacitance spectroscopy based on multifrequency electrostatic force microscopy

  • Pascal N. Rohrbeck,
  • Lukas D. Cavar,
  • Franjo Weber,
  • Peter G. Reichel,
  • Mara Niebling and
  • Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 637–651, doi:10.3762/bjnano.16.49

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  • frequencies and beyond. Our results show a significant reduction of signal background from long-range electrostatic interactions, resulting in highly localized measurements. Combined with refined tip–sample capacitance models, MFH-EFM will enhance the precision of quantitative studies on dielectric effects in
  • measures such as improved tip–sample models or full numerical simulations will be required. Here, the suppression of long-range electrostatic interactions in MFH-EFM could simplify the simulations. Thus, MFH-EFM could further improve quantitative studies on dielectric effects in nanoscale systems across
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Published 08 May 2025

Development of a mucoadhesive drug delivery system and its interaction with gastric cells

  • Ahmet Baki Sahin,
  • Serdar Karakurt and
  • Deniz Sezlev Bilecen

Beilstein J. Nanotechnol. 2025, 16, 371–384, doi:10.3762/bjnano.16.28

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  • intermolecular hydrogen bonding and secondary interactions resulting from the interpenetration of polymer chains of mucin into the structure of the nanoparticles. The presence of positively charged Eudragit polymer on the surface of nanoparticles yield additional electrostatic interactions, which are known to be
  • one of the driving force behind mucoadhesion [57]. Therefore, the presence of the Eudragit polymer layer on the designed nanoparticles is beneficial for the enhancement of the electrostatic interactions between the nanoparticles and the gastric mucus, thus increasing their entrapment into the mucus
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Published 13 Mar 2025

Mechanistic insights into endosomal escape by sodium oleate-modified liposomes

  • Ebrahim Sadaqa,
  • Satrialdi,
  • Fransiska Kurniawan and
  • Diky Mudhakir

Beilstein J. Nanotechnol. 2024, 15, 1667–1685, doi:10.3762/bjnano.15.131

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  • highlights the importance of the peptide’s protonation state regarding its membrane-binding affinity and subsequent insertion depth. Non-protonated AUR fails to engage effectively with the membrane, underscoring the role of electrostatic interactions in facilitating the peptide’s insertion into the lipid
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Published 30 Dec 2024

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

  • Akash Kumar and
  • Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

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Published 04 Nov 2024

Interaction of graphene oxide with tannic acid: computational modeling and toxicity mitigation in C. elegans

  • Romana Petry,
  • James M. de Almeida,
  • Francine Côa,
  • Felipe Crasto de Lima,
  • Diego Stéfani T. Martinez and
  • Adalberto Fazzio

Beilstein J. Nanotechnol. 2024, 15, 1297–1311, doi:10.3762/bjnano.15.105

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  • in hydrogen bonding as well as hydrophobic and electrostatic interactions; also, they are responsible for TA’s high solubility, reactivity to metal cations, binding capacity to molecules and surfaces, and significant reducing and radical scavenging properties [19][21][22][23][24]. This range of
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Published 30 Oct 2024

Dual-functionalized architecture enables stable and tumor cell-specific SiO2NPs in complex biological fluids

  • Iris Renata Sousa Ribeiro,
  • Raquel Frenedoso da Silva,
  • Romênia Ramos Domingues,
  • Adriana Franco Paes Leme and
  • Mateus Borba Cardoso

Beilstein J. Nanotechnol. 2024, 15, 1238–1252, doi:10.3762/bjnano.15.100

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  • -functionalized SiO2NPs involves their capability to generate reactive species of oxygen, along with electrostatic interactions of deprotonated silanol groups with membrane proteins and tetra alkyl ammonium groups, which are also present in red blood cell membranes [47][48][49][50]. The addition of the ZW
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Published 07 Oct 2024

Curcumin-loaded nanostructured systems for treatment of leishmaniasis: a review

  • Douglas Dourado,
  • Thayse Silva Medeiros,
  • Éverton do Nascimento Alencar,
  • Edijane Matos Sales and
  • Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 37–50, doi:10.3762/bjnano.15.4

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  • delivery specific to macrophage targets, such as ᴅ-mannose, phosphatidylserine, or lactoferrin. This may reduce the drug resistance of the parasite in the long term. Furthermore, the surface charge of nanostructures may influence internalization since positive charges favor electrostatic interactions of
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Published 04 Jan 2024

Fluorescent bioinspired albumin/polydopamine nanoparticles and their interactions with Escherichia coli cells

  • Eloïse Equy,
  • Jordana Hirtzel,
  • Sophie Hellé,
  • Béatrice Heurtault,
  • Eric Mathieu,
  • Morgane Rabineau,
  • Vincent Ball and
  • Lydie Ploux

Beilstein J. Nanotechnol. 2023, 14, 1208–1224, doi:10.3762/bjnano.14.100

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  • , the high ionic strength of 150 mM NaCl decreased long-range effect and intensity of electrostatic interactions compared to the other solvents, thus favoring other types of interactions (such as attractive van der Waals interactions) and, therefore, aggregation. Second, the increase in salt
  • may result from the positive charges carried by RhBITC at physiological pH, which are absent in the FITC molecules. The positive charges are expected to participate in attractive electrostatic interactions with the negatively charged bacterial membrane, that is, the phosphate groups of their
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Published 22 Dec 2023

Metal-organic framework-based nanomaterials for CO2 storage: A review

  • Ha Huu Do,
  • Iqra Rabani and
  • Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 964–970, doi:10.3762/bjnano.14.79

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  • −1. This discrepancy was attributed to the shorter length of the Mg–O bonds, which facilitated enhanced electrostatic interactions between the Mg sites and CO2 molecules. Moreover, Mg-MOF-74 exhibited a higher heat of adsorption than other variants. Kim et al. synthesized bimetallic MOFs
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Published 20 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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  • induce conformational changes, which result in denaturation and loss of activity [43]. Similarly, electrostatic interactions between oppositely charged NPs and antibodies result in weak interactions where the antibodies are easily detached due to small changes in pH or ionic strength [44]. Covalent
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Published 04 Sep 2023

Cross-sectional Kelvin probe force microscopy on III–V epitaxial multilayer stacks: challenges and perspectives

  • Mattia da Lisca,
  • José Alvarez,
  • James P. Connolly,
  • Nicolas Vaissiere,
  • Karim Mekhazni,
  • Jean Decobert and
  • Jean-Paul Kleider

Beilstein J. Nanotechnol. 2023, 14, 725–737, doi:10.3762/bjnano.14.59

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  • resolution. In particular, in AM-KPFM the electrical force between the tip and the sample is directly evaluated, whereas in FM-KPFM the gradient of the force is analysed. As a result, FM-KPFM is more sensitive to local tip apex–sample surface interactions; therefore, long-range electrostatic interactions of
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Published 14 Jun 2023

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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  • provide locations for the deposition of Zn2+ via electrostatic interactions. Cao et al. [26] have reported the growth of ZnO particles on MWCNTs through a similar mechanism. However, in their case, the functional groups on the MWCNTs were obtained by ultrasonic treatment in concentrated nitric acid. Four
  • locations for the deposition of Zn2+ by electrostatic interactions. SCZ1 exhibits the best EM absorption properties. Its values for RLmin and EAB reach −65.4 dB and 7 GHz (10.96–17.96 GHz), respectively, at a small sample thickness and 30 wt % filler load. The effective EM absorption is related to the
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Published 04 May 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

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  • . Functional exploration through material accumulation and organization has also been widely conducted. The manipulation of precise molecular alignments and photochemical properties through multiple electrostatic interactions with two-dimensional clay mineral nanosheets has been summarized by Ishida [102]. Yue
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Published 03 Apr 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

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  • survivin-small hairpin RNA (survivin-shRNA), which was trapped by electrostatic interactions in the cavity between several assembled nanoparticles (AP/ES+CQ NPs; AP = amine-terminated PAMAM dendrimers modified with anti-EGFR aptamer; ES = erlotinib and survivin-shRNA; Figure 2, Figure 3). The nanocomplexes
  • siRNA delivery should generally be positively charged to facilitate siRNA loading by electrostatic interactions. Frequently used traditional polymer materials as nonviral vectors for siRNA encapsulation are polyethyleneimine (PEI), cationic dendrimers, phospholipids, cationic lipids, polysaccharides
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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

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  • nanoassemblies (green balls) were constructed through inclusion complex formation between trans-azobenzene and α-CyD (the second row from the top). These α-CyD-based nanoassemblies bind siRNA through electrostatic interactions with the positively charged N-methylimidazolium ions to form ternary supramolecular
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Published 09 Feb 2023

LED-light-activated photocatalytic performance of metal-free carbon-modified hexagonal boron nitride towards degradation of methylene blue and phenol

  • Nirmalendu S. Mishra and
  • Pichiah Saravanan

Beilstein J. Nanotechnol. 2022, 13, 1380–1392, doi:10.3762/bjnano.13.114

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  •  7b. The high removal rate towards MB could be ascribed to a better adsorption boosted through electrostatic interactions (cationic MB and negatively charged surface of MBN-80) and the synergy obtained through the photoactivity of MBN-80 and dye sensitization through MB moieties. The
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Published 22 Nov 2022

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

  • Sebastian Lifka,
  • Kristóf Harsányi,
  • Erich Baumgartner,
  • Lukas Pichler,
  • Dariya Baiko,
  • Karsten Wasmuth,
  • Johannes Heitz,
  • Marco Meyer,
  • Anna-Christin Joel,
  • Jörn Bonse and
  • Werner Baumgartner

Beilstein J. Nanotechnol. 2022, 13, 1268–1283, doi:10.3762/bjnano.13.105

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  • as electrostatic interactions. All these can be summarized in the term µ(x) and can, therefore, depend on the position and, thereby, on the distance of fiber and surface (w(x) − f(x)). However, only the van der Waals energy E3 exhibits a negative sign and, thus, decreases the total energy stored in
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Published 07 Nov 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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Published 05 Oct 2022

Design and selection of peptides to block the SARS-CoV-2 receptor binding domain by molecular docking

  • Kendra Ramirez-Acosta,
  • Ivan A. Rosales-Fuerte,
  • J. Eduardo Perez-Sanchez,
  • Alfredo Nuñez-Rivera,
  • Josue Juarez and
  • Ruben D. Cadena-Nava

Beilstein J. Nanotechnol. 2022, 13, 699–711, doi:10.3762/bjnano.13.62

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  • of the most commonly used programs [16][17][21]. ADV provides theoretical information about hydrophobic interactions, electrostatic interactions, hydrogen bonds, and van der Waals interactions. It can also predict the binding pose and binding affinity [20]. Considering these important features, ADV
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Published 22 Jul 2022

Stimuli-responsive polypeptide nanogels for trypsin inhibition

  • Petr Šálek,
  • Jana Dvořáková,
  • Sviatoslav Hladysh,
  • Diana Oleshchuk,
  • Ewa Pavlova,
  • Jan Kučka and
  • Vladimír Proks

Beilstein J. Nanotechnol. 2022, 13, 538–548, doi:10.3762/bjnano.13.45

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  • . Clearly, some fraction of 125I-radiolabeled BSA was again entrapped in the shrunken Nα-Lys-NG nanogel after the pH change (Figure 3a), probably due to high electrostatic interactions during the release at pH 7.4. After the loading and release procedure was optimized for BSA, PHEG-Tyr and Nα-Lys-NG
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Published 22 Jun 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

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  • physisorption, only a reversible physical bond due to electrostatic interactions or intermolecular interactions forms between adsorbate and the adsorbent. An ideal adsorption membrane should exhibit both high adsorption capacity and a high adsorption rate. ENH membranes have been widely used as adsorption
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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

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  • , 5.6/1, 11.2/1, 22.4/1, and 45/1) which corresponds to SPION@bPEI to PIC w/w ratios of 0.5/1, 1/1, 2/1, 4/1, 8/1, and 16/1. In all these compositions, the amount of PIC was kept constant at 80 µg/mL (4 µg/well). The mechanism of loading of poly I:C on nanoparticles is through electrostatic interactions
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Published 18 Jan 2022

Open-loop amplitude-modulation Kelvin probe force microscopy operated in single-pass PeakForce tapping mode

  • Gheorghe Stan and
  • Pradeep Namboodiri

Beilstein J. Nanotechnol. 2021, 12, 1115–1126, doi:10.3762/bjnano.12.83

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  • scale of the order of 20 μs, which is about one hundred times faster than CL KPFM modes and could be used to observe ultrafast dynamics of electrical processes [35][46]. Due to the long-range nature of the electrostatic interactions, contributions from all the conductive parts (apex, cone, and
  • counterpart. The advantage of using OL AM-KPFM resides in the direct and easy implementation of the measurements with the possibility of accommodating relevant descriptions of the electrostatic interactions probed over various regions of a sample. Disclaimer Certain commercial equipment, instruments, or
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Published 06 Oct 2021

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

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  • by adsorption [92], with rates of release depending on interaction of the drug with the porous silicon. Oxidation, covalent binding, and electrostatic interactions can all be used to immobilise the drug on the porous silicon [94], while both hydrophilic and hydrophobic molecules can be loaded on
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Published 13 Sep 2021
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