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Search for "molecular structure" in Full Text gives 144 result(s) in Beilstein Journal of Nanotechnology.

Electrical, photocatalytic, and sensory properties of graphene oxide and polyimide implanted with low- and medium-energy silver ions

  • Josef Novák,
  • Eva Štěpanovská,
  • Petr Malinský,
  • Vlastimil Mazánek,
  • Jan Luxa,
  • Ulrich Kentsch and
  • Zdeněk Sofer

Beilstein J. Nanotechnol. 2025, 16, 1794–1811, doi:10.3762/bjnano.16.123

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  • changes in the molecular structure. These changes indicate the onset of radiation degradation of the material, in which oxygen functional groups are removed and the polymer structure rearranges towards a more carbonaceous network. After implantation with higher-energy ions of 1.5 MeV, the changes were
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Published 13 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

Graphical Abstract
  • utilized polymers in PNs for oral drug delivery. Structurally, chitosan (Figure 4a) is a linear polysaccharide composed of ᴅ-glucosamine monomers linked via β-(1→4) bonds [92][93]. The widespread use of chitosan can be attributed to the functional groups within its molecular structure, which confer a
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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
  • , homogeneity, and stability in colloidal systems are influenced by component proportions (surfactant, oil, and co-surfactant), emulsification methods (low-energy or high-energy techniques) [40][41][42], and intrinsic properties like linseed oil viscosity and lecithin’s molecular structure [43]. These last
  • molecular structure [71][72]. This results in weaker intermolecular interactions, reducing the oil’s viscosity [73]. A lower viscosity in LO can facilitate the formation and stability of micelles by allowing surfactant molecules to move more freely, promoting their rapid formation and maintaining stability
  • analysis. As the temperature rises, the double bonds in these unsaturated fatty acids undergo relaxation and changes from cis to trans configuration, distorting the molecular structure. This leads to weaker intermolecular interactions, which is reflected in a reduction in oil viscosity (as shown in Table 2
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Published 02 Oct 2025

Synthesis and antibacterial properties of nanosilver-modified cellulose triacetate membranes for seawater desalination

  • Lei Wang,
  • Shizhe Li,
  • Kexin Xu,
  • Wenjun Li,
  • Ying Li and
  • Gang Liu

Beilstein J. Nanotechnol. 2025, 16, 1380–1391, doi:10.3762/bjnano.16.100

Graphical Abstract
  • waterborne microorganisms because six-membered cyclic ethers in its molecular structure have β-A chains of dehydrated glucose units linked by C–O–C bonds [28]. Therefore, enhancing the antibacterial properties of CTAs is crucial from both academic and practical perspectives. In this study, we employed the
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Published 19 Aug 2025

Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others

  • Katsuhiko Ariga

Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77

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Published 04 Jul 2025

Time-resolved probing of laser-induced nanostructuring processes in liquids

  • Maximilian Spellauge,
  • David Redka,
  • Mianzhen Mo,
  • Changyong Song,
  • Heinz Paul Huber and
  • Anton Plech

Beilstein J. Nanotechnol. 2025, 16, 968–1002, doi:10.3762/bjnano.16.74

Graphical Abstract
  • K) of neutral water, as shown by the agreement with the MD simulation result in Figure 5F. This implied that the rearrangement of the water molecular structure was dominated by the heating effect when the steady state was reached. These observations and the approach of analyzing the water structure
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Published 02 Jul 2025

Efficiency of single-pulse laser fragmentation of organic nutraceutical dispersions in a circular jet flow-through reactor

  • Tina Friedenauer,
  • Maximilian Spellauge,
  • Alexander Sommereyns,
  • Verena Labenski,
  • Tuba Esatbeyoglu,
  • Christoph Rehbock,
  • Heinz P. Huber and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 711–727, doi:10.3762/bjnano.16.55

Graphical Abstract
  • available nutraceuticals (curcumin and CBD) are polycrystalline, nearly water-insoluble natural products with a similar molecular structure (Figure 1) and approximately the same molecular weight of 314 g·mol−1 for CBD and 368 g·mol−1 for curcumin, already their visual appearance strongly deviates. CBD is
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Published 26 May 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

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  • demonstrated that cell adhesion may influence metabolic programming through regulation of adhesion molecules and glucose transport pathways [26][27]. Additionally, the molecular structure of tannic acid allows for potential enzymatic conversion into glucose derivatives via cellular metabolic pathways [28][29
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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
  • response, is extensively investigated by addressing its molecular structure, composition, and medical uses. PU is a candidate for potential biomedical applications because of its strength, flexibility, biocompatibility, cell-adhesive properties, and high resistance to biodegradation. PU combined with silk
  • biodegradable [124]. Degradation is limited in crystalline regions, while amorphous regions get degraded easily within PU. The molecular structure and composition of the polymer, its molecular weight, crystallinity, and the presence of cross-links and additives are a few elements that impact polymer degradation
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Published 24 Apr 2025

Radiosensitizing properties of dual-functionalized carbon nanostructures loaded with temozolomide

  • Radmila Milenkovska,
  • Nikola Geskovski,
  • Dushko Shalabalija,
  • Ljubica Mihailova,
  • Petre Makreski,
  • Dushko Lukarski,
  • Igor Stojkovski,
  • Maja Simonoska Crcarevska and
  • Kristina Mladenovska

Beilstein J. Nanotechnol. 2025, 16, 229–251, doi:10.3762/bjnano.16.18

Graphical Abstract
  • , probably from C=O stretching vibrations within the FA molecular structure. The spectrum of FA exhibits a band at 1639 cm−1 from the amide C=O group, which is shifted to 1604 and 1637 cm−1 in the spectra of MWCNTs-PEG6000-FA and MWCNTs-G-PEG6000-FA, respectively. The spectra of MWCNTs-PEG6000-FA and MWCNTs
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Published 19 Feb 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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Published 30 Dec 2024

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

  • Akash Kumar,
  • Ridhima Chadha,
  • Abhishek Das,
  • Nandita Maiti and
  • Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

Graphical Abstract
  • -carnosine and ʟ-car-AgNPs and 100 s for ʟ-carnosine in aqueous solution. DFT calculations Theoretical insights into the FTIR and Raman measurements were obtained through molecular structure optimization of ʟ-carnosine, its anionic form, and probable ʟ-carnosine–(Ag)4 complexes. The structure optimization
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Published 06 Dec 2024

The round-robin approach applied to nanoinformatics: consensus prediction of nanomaterials zeta potential

  • Dimitra-Danai Varsou,
  • Arkaprava Banerjee,
  • Joyita Roy,
  • Kunal Roy,
  • Giannis Savvas,
  • Haralambos Sarimveis,
  • Ewelina Wyrzykowska,
  • Mateusz Balicki,
  • Tomasz Puzyn,
  • Georgia Melagraki,
  • Iseult Lynch and
  • Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 1536–1553, doi:10.3762/bjnano.15.121

Graphical Abstract
  • orbital per metal atom of 15 metal oxide NPs. Toropov et al. [31] developed, for a set of 15 metal and metal oxide NPs, a QFPR model considering both the NPs’ molecular structure and the experimental conditions, encoded in quasi-SMILES. Furthermore, research has explored the computational assessment of
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Published 29 Nov 2024

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

  • Thi Kim Ngan Nguyen,
  • Tien Dat Doan,
  • Huy Hieu Luu,
  • Hoang Anh Nguyen,
  • Thi Thu Ha Vu,
  • Quang Hai Tran,
  • Ha Tran Nguyen,
  • Thanh Binh Dang,
  • Thi Hai Yen Pham and
  • Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

Graphical Abstract
  • mixture of CuBTC and FeBTC to modify carbon paste electrodes for the determination of enrofloxacin. The characterization and properties of the fabricated electrode, including molecular structure, morphology, and electrochemical characteristics, were thoroughly investigated using various analytical
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Published 28 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

Graphical Abstract
  • +sp3 and oxygenated carbon bonds C–O and C=O. Snapshot of TA on the GO surface obtained from NPT MD at 300 K, parameterized with the ReaxFF reactive force field. The molecular structure view was generated with the VMD software developed with NIH support by the Theoretical and Computational Biophysics
  • purple (positive) and green (negative). Isosurface of 1 × 10−3 e/Å3. The molecular structure view was generated with the VMD software developed with NIH support by the Theoretical and Computational Biophysics group at the Beckman Institute, University of Illinois at Urbana-Champaign (http
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Published 30 Oct 2024

Effects of cutting tool geometry on material removal of a gradient nanograined CoCrNi medium entropy alloy

  • Yu-Sheng Lu,
  • Yu-Xuan Hung,
  • Thi-Xuyen Bui and
  • Te-Hua Fang

Beilstein J. Nanotechnol. 2024, 15, 925–940, doi:10.3762/bjnano.15.76

Graphical Abstract
  • /molecularly parallel simulator (LAMMPS) software [16][17], and the GNG model substrates were built from the ATOMSK software [18]. Deformation response, molecular structure, and atomic strain behavior were observed using the Open Visualization Tool (OVITO) software [19][20]. The mechanisms of phase transitions
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Published 23 Jul 2024

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

  • Theo Fromme,
  • Sven Reichenberger,
  • Katharine M. Tibbetts and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

Graphical Abstract
  • [45]. Additionally, the molecular structure of the solvent affects the hydrogen evolution rate. Ethanol and isopropyl alcohol produced greater hydrogen yields than isobutyl alcohol and diethyl ether, which was attributed to the higher ratio of hydrogen to carbon and, thus, more C–H bonds relative to C
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Published 05 Jun 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
  • nanofiber scaffold. This was due to the O–H stretching vibration of the glycerol component in BBR NPs (Figure 2). Peculiarly, the absorption bands at 1646 cm−1 and 1506 cm−1, characteristic of the C=N+ double bond and the furyl group in the molecular structure of BBR, respectively, were only displayed in
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Published 12 Jan 2024

Exploring internal structures and properties of terpolymer fibers via real-space characterizations

  • Michael R. Roenbeck and
  • Kenneth E. Strawhecker

Beilstein J. Nanotechnol. 2023, 14, 1004–1017, doi:10.3762/bjnano.14.83

Graphical Abstract
  • -phenylenediamine (PPD), and 3,4′-diaminodiphenyl ether (DPE) (Figure 1a). Compared to Kevlar®, which includes 50% concentrations of the first two monomers alone (forming p-phenylene terephthalamide (PPTA)), the molecular structure of Technora® substitutes DPE for half of the PPD monomers [1][2][3][4][5]. Of course
  • chemistry of Kevlar® (Figure 1) leads to a well-ordered molecular structure (i.e., ‘ACACAC…’ in Figure 9), which should enhance load transfer at this scale compared to Technora®. Together, the more uniform molecular sequencing and the resulting microstructure in Kevlar® appear to explain why K29 has higher
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Published 05 Oct 2023

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

  • Suyi Liu,
  • Yasuo Norikane and
  • Yoshihiro Kikkawa

Beilstein J. Nanotechnol. 2023, 14, 872–892, doi:10.3762/bjnano.14.72

Graphical Abstract
  • monolayers can be prepared by simply placing the sample solution on a freshly cleaved HOPG surface. The self-assembly at the solid/liquid interface is characterized by the following properties: (i) The correlation between the molecular structure and resultant 2D arrangements can be revealed by STM with high
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Published 23 Aug 2023

Carboxylic acids and light interact to affect nanoceria stability and dissolution in acidic aqueous environments

  • Matthew L. Hancock,
  • Eric A. Grulke and
  • Robert A. Yokel

Beilstein J. Nanotechnol. 2023, 14, 762–780, doi:10.3762/bjnano.14.63

Graphical Abstract
  • was to test whether carboxylic acids stabilize or accelerate nanoceria dissolution in acidic aqueous environments and determine the mechanism of dissolution depending on the molecular structure of each ligand relating to agglomeration or stabilization. In addition, the influence of ambient laboratory
  • provides insight into the molecular structure of the ligand needed to stabilize the nanoceria surface and to prevent agglomeration. All three acids contain a carboxylic acid functional group geminal to a hydroxy group. NMR results confirmed that this type of structure may be influential in bonding with
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Published 27 Jun 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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  • . Controlling macroscopic functions by controlling the molecular structure is a very well-established design strategy in molecular nanoarchitectonics. There is also a strong research interest in combining structure-forming techniques to develop functional materials. For example, the Langmuir–Blodgett (LB
  • and activity are due to features at the atomic and molecular level [141][142]. It is often observed that a particular molecular structure or an atom at a particular site can be highly functional and active. Molecular nanoarchitectonics, as shown here, can be an important key to understand such aspects
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Published 03 Apr 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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  • molecular structure of nanometer size, (2) the easy chemical modification to introduce functional groups, and (3) the formation of dynamic inclusion complexes with various guests in water. With the use of photoirradiation, drugs are released from cyclodextrin-based nanoarchitectures at designated timing
  • , cyclodextrins (CyDs) are especially promising as essential components [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34]. The most attractive feature of these cyclic oligosaccharides is their discrete molecular structure, which functions as unique molecular-sized framework to
  • nanoarchitectures is greatly facilitated by three important features of CyDs, namely (1) the preorganized three-dimensional molecular structure of nanometer-size, (2) the easy chemical modification to introduce functional groups, and (3) the formation of dynamic inclusion complexes with various guests in water. The
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Published 09 Feb 2023

Induced electric conductivity in organic polymers

  • Konstantin Y. Arutyunov,
  • Anatoli S. Gurski,
  • Vladimir V. Artemov,
  • Alexander L. Vasiliev,
  • Azat R. Yusupov,
  • Danfis D. Karamov and
  • Alexei N. Lachinov

Beilstein J. Nanotechnol. 2022, 13, 1551–1557, doi:10.3762/bjnano.13.128

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  • methods [8][9]. Quantum chemical studies of PDP [10] have shown that its molecular structure is unstable with regard to interaction with an excess (thermal) electron and can result in a transition to a metastable state. However, in that state, e.g. induced by external electric field, the system is
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Published 19 Dec 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

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  • adhesion. Selectins bind to carbohydrates based on calcium-dependent regulation, cadherins form mostly homotypic contacts also in a calcium-regulated manner, while the IgSF subfamily of nectins is able to form both homotypic and heterotypic interactions [10]. Comprehensive overviews of molecular structure
  • [97], and peptide isomers known as peptoids, (oligo N-substituted glycines) [98]. In addition, the transfer of the general molecular structure of AMPs/HDPs has led to peptide-mimicking polymers and surface-engineered polymeric-brush-tethered AMPs. These approaches are promising for establishing
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Published 08 Sep 2022
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