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Search for "nanoparticles" in Full Text gives 1196 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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

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  • hybrid nanoparticles (PLHNPs) have emerged as a novel delivery system that combines the advantages of both polymeric and lipid-based nanoparticles to overcome these challenges. This review explores the potential of PLHNPs to enhance the delivery and efficacy of phytochemicals for biomedical applications
  • diseases. Keywords: bioavailability; phytochemical; polymer lipid hybrid nanoparticles; solubility; stability; surface modification; Introduction Phytochemicals are naturally occurring compounds found in plants (from the Greek word “phyton” meaning plant) [1]. These bioactive compounds are responsible
  • , rapid metabolism, and instability under physiological conditions [9][10][11]. These challenges necessitate the development of advanced delivery systems to harness the full potential of phytochemicals in therapeutic applications. Polymer lipid hybrid nanoparticles (PLHNPs) represent an innovative class
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Published 22 Nov 2024

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

  • Aram Shirinyan and
  • Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

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  • transitions and the zones of radiation stability for nanoparticles. We utilize nanoparticles exhibiting transitions from the body-centered cubic α phase to the face-centered cubic β phase, and the reverse transition from β phase to α phase, as a model system for first-order phase transformations. We
  • materials. Keywords: α-phase; β-phase; chemical rate theory; Fe; nanoparticle; nucleation; phase stability diagram; polymorphic phase transision; radiation stability; thermodynamics; vacancy saturation; Introduction Solid metal or ceramic nanoparticles with a diameter in the range of 1–100 nm, when placed
  • or amorphization in metallic/ceramic nanoparticles, leading to changes in the crystal structure? Is it feasible to establish a fundamental basis to explain the behavior of materials under irradiation? Most nuclear materials have not been tested beyond an irradiation dose of 200 displacements per atom
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Published 21 Nov 2024

Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals

  • Selin Akpinar Adscheid,
  • Akif E. Türeli,
  • Nazende Günday-Türeli and
  • Marc Schneider

Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113

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  • small or large molecules from the current literature, we highlight the preclinical studies and their results to prove the strategies’ success and limitations. Keywords: antibody delivery; biopharmaceutical delivery; blood–brain barrier (BBB); CNS diseases; drug delivery; hybrid nanoparticles
  • ; intranasal delivery; liposomes; nanomedicine; nanostructured lipid carriers (NLCs); polymer nanoparticles; RNA delivery; solid lipid nanoparticles (SLNs); Introduction The central nervous system (CNS) consists of the brain and the spinal cord and is considered the body’s processing and control center. While
  • techniques to overcome the BBB can be invasive and noninvasive. As part of the invasive methods, disruption of the BBB with osmotic pressure and intrathecal delivery have been proposed [16]. As examples of noninvasive methods, intranasal drug delivery and bypassing the BBB by nanoparticles can be counted
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Published 12 Nov 2024

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

  • The-Long Phan,
  • Le Viet Cuong,
  • Vu Dinh Lam and
  • Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

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  • defects [70][71]. These defects are intrinsic and nonavoidable during the fabrication of ZnO nanostructures, and are usually dependent on a surface area-to-volume ratio of nanoparticles. Because of this reason, the relative intensity ratio of UV to visible lines can be used to evaluate the ZnO crystal
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Published 11 Nov 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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  • nanoparticle-based systems capable of efficient detection and degradation. However, conventional approaches utilizing strong capping agents like cetrimonium bromide (CTAB) on nanoparticles lead to limitations due to the rigid nature of CTAB. This restricts its utility in heavy metal detection and 4-NP
  • metals and efficient degradation of 4-NP. For enabling linker-free/ligand-free detection of heavy metal ions and catalytic degradation of 4-NP, CTAB was engineered as a versatile capping agent on gold and silver nanoparticles. Various factors, including nanoparticle characteristics such as shape, size
  • , metal composition, centrifugation, and NaOH amount, were investigated for their impact on the performance of CTAB-capped nanoparticles in heavy metal detection and 4-NP degradation. CTAB-Au nanospheres demonstrated limited heavy metal ion detection capability but exhibited remarkable efficiency in
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Published 04 Nov 2024

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

  • Cristina Maria Vlăduț,
  • Crina Anastasescu,
  • Silviu Preda,
  • Oana Catalina Mocioiu,
  • Simona Petrescu,
  • Jeanina Pandele-Cusu,
  • Dana Culita,
  • Veronica Bratan,
  • Ioan Balint and
  • Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

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  • dielectric properties of material [17]. Therefore, instantaneous decomposition of the precursors occurs, leading to the formation of a supersaturated solution. Consequently, appropriate conditions for obtaining materials with well-defined properties (i.e., monodispersed nanoparticles from rapid and brief
  • samples were thermally treated at 350 °C and 500 °C for 1 h each. Scanning electron microscopy The morphology and chemical composition (inset) of the thermally treated samples is illustrated in Figure 4. Homogeneously distributed, quasi-spherical nanoparticles (mean size diameter of 70 nm) are observed in
  • defects of ZnO nanoparticles. The first peak is attributed to band edge free excitons [51] and the second to bound excitons [51][52]. The lower PL signal of the SG sample relative to the MW sample suggests a slower rate of recombination for photogenerated charges and, consequently, a much more efficient
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Published 28 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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  • anticancer nanomedicines are administered intravenously. This route is fast and precise as the drug enters directly into the systemic circulation, without undergoing absorption processes. When nanoparticles come into direct contact with the blood, however, they interact with physiological components that can
  • -depth studies in complex environments to evaluate nanoparticle stability, protein corona formation, hemolytic activity, and targeting capabilities. To address this issue, fluorescent silica nanoparticles (SiO2NPs) are here functionalized with zwitterionic (kinetic stabilizer) and folate groups
  • nanoparticles are not hemolytic. Remarkably, the functionalized SiO2NPs are more internalized by tumor cells than their healthy counterparts. Investigations of this nature play a crucial role in garnering results with greater reliability, allowing the development of nanoparticle-based pharmaceutical drugs that
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Published 07 Oct 2024

Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites

  • Chi-Hien Dang,
  • Le-Kim-Thuy Nguyen,
  • Minh-Trong Tran,
  • Van-Dung Le,
  • Nguyen Minh Ty,
  • T. Ngoc Han Pham,
  • Hieu Vu-Quang,
  • Tran Thi Kim Chi,
  • Tran Thi Huong Giang,
  • Nguyen Thi Thanh Tu and
  • Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99

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  • synthesizing gold nanoparticles (AuNPs) within a glucosamine/alginate (GluN/Alg) nanocomposite via an ionotropic gelation mechanism in aqueous environment. The resulting nanocomposite, AuNPs@GluN/Alg, underwent thorough characterization using UV–vis, EDX, FTIR, SEM, TEM, SAED, and XRD analyses. The spherical
  • nanocomposite as a versatile catalyst with promising applications across various industrial sectors. Keywords: catalysis; gold nanoparticles; organic dyes; organometallic nanocomposites; reduction; Introduction Gold nanoparticles (AuNPs) have garnered significant attention because of their exceptional
  • particular, have demonstrated significant control over the nucleation and growth of metallic nanoparticles. Utilizing polysaccharide-mediated procedures for AuNP synthesis offers several advantages over conventional methods, including cost-effectiveness, energy efficiency, low toxicity, and eco-friendliness
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Published 04 Oct 2024

Realizing active targeting in cancer nanomedicine with ultrasmall nanoparticles

  • André F. Lima,
  • Giselle Z. Justo and
  • Alioscka A. Sousa

Beilstein J. Nanotechnol. 2024, 15, 1208–1226, doi:10.3762/bjnano.15.98

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  • Andre F. Lima Giselle Z. Justo Alioscka A. Sousa Department of Biochemistry, Federal University of São Paulo, São Paulo, SP 04044-020, Brazil 10.3762/bjnano.15.98 Abstract Ultrasmall nanoparticles (usNPs) have emerged as promising theranostic tools in cancer nanomedicine. With sizes comparable to
  • . Keywords: active targeting; cancer; nanoclusters; renal clearance; ultrasmall nanoparticles; Review 1 Introduction Nanotechnology has opened new avenues for tackling unmet challenges in medicine [1][2][3]. In the field of oncology, a notable application involves the use of engineered nanoparticles (NPs
  • ultrasmall and renal clearable 64Cu-radiolabeled nanoparticles with ECL1i [134]. These particles were employed not only for targeted PET imaging but also for loading and delivery of gemcitabine (64Cu-Cu@CuOx-ECL1i-Gem) into pancreatic ductal adenocarcinoma (PDAC). In this study, an innovative strategy was
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Published 30 Sep 2024

Synthesis, characterization and anticancer effect of doxorubicin-loaded dual stimuli-responsive smart nanopolymers

  • Ömür Acet,
  • Pavel Kirsanov,
  • Burcu Önal Acet,
  • Inessa Halets-Bui,
  • Dzmitry Shcharbin,
  • Şeyda Ceylan Cömert and
  • Mehmet Odabaşı

Beilstein J. Nanotechnol. 2024, 15, 1189–1196, doi:10.3762/bjnano.15.96

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  • than free DOX. To date, several types of nanoparticles, such as liposomes, micelles, and metal-organic frameworks, have been studied to encapsulate DOX to obtain effective and non-toxic drugs [7][8]. Great attention has been paid to nanoparticles because of their specific properties, such as small size
  • , high stability, low toxicity, modifiable hydrophilicity/hydrophobicity, and the possibility of surface functionalization for targeted localization. Polymeric nanoparticles are a versatile approach to drug delivery (DD) with the potential to circumvent barriers associated with negative impacts on
  • durations. While numerous biodegradable polymeric nanoparticles derived from proteins or polysaccharides have been studied for drug delivery and controlled drug release in the recent past, the emphasis of research has now turned towards synthetic polymers, resulting in significant advancements in this field
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Published 26 Sep 2024

Introducing third-generation periodic table descriptors for nano-qRASTR modeling of zebrafish toxicity of metal oxide nanoparticles

  • Supratik Kar and
  • Siyun Yang

Beilstein J. Nanotechnol. 2024, 15, 1142–1152, doi:10.3762/bjnano.15.93

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  • Supratik Kar Siyun Yang Chemometrics and Molecular Modeling Laboratory, Department of Chemistry and Physics, Kean University, 1000 Morris Avenue, Union, NJ 07083, USA 10.3762/bjnano.15.93 Abstract Metal oxide nanoparticles (MONPs) are widely used in medicine and environmental remediation because
  • models. Finally, the developed nano-qRASTR model was applied to predict toxicity data for an external dataset comprising 35 MONPs, addressing gaps in zebrafish toxicity assessment. Keywords: metal nanoparticles; metal oxide nanoparticles; nano-qRASTR; periodic table descriptors; QSAR; zebrafish
  • range of substances that can be categorized as carbon-based, metal oxides, semiconductors, polymers, clays, emulsions, or metals [2]. Metal oxide nanoparticles (MONPs) are metallic oxides that exist within the nanoscale range and can be intentionally created or occur naturally [3]. Under the rapid
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Published 10 Sep 2024

Photocatalytic methane oxidation over a TiO2/SiNWs p–n junction catalyst at room temperature

  • Qui Thanh Hoai Ta,
  • Luan Minh Nguyen,
  • Ngoc Hoi Nguyen,
  • Phan Khanh Thinh Nguyen and
  • Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

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  • photocatalytic efficiency. For years, doping of metal nanoparticles (NPs) into a semiconductor matrix has been extensively studied to enhance photocatalytic CH4 oxidation performance. Metal NPs in, for example, Au/TiO2, Au@Pd/ZnO, and Pt@Cu/TiO2 composites act as electron scavenger centers and own more free
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Published 02 Sep 2024

Direct electron beam writing of silver using a β-diketonate precursor: first insights

  • Katja Höflich,
  • Krzysztof Maćkosz,
  • Chinmai S. Jureddy,
  • Aleksei Tsarapkin and
  • Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

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  • . “Experimental” section) for focused electron beam-induced deposition (FEBID). (hfac)AgPMe3 is a white to light yellow solid, which was used before for chemical vapor deposition [32] and for growing silver nanoparticles by atomic layer deposition [33]. Like for other silver precursors, a pronounced halo and a
  • . Compared to the typically obtained granular structure of metallic nanoparticles in a carbonaceous matrix, the deposit composition and chemistry evolution are unexpected. The resulting deposit exhibits a carbon-rich body with a surface decorated with silver nanoparticles and an interfacial layer of
  • only later fully decomposed. The close-up of the central region of the deposit (C) in Figure 1 shows a dark appearance with uniformly sized nanoparticles of about 5–10 nm. When moving away from the central area, three very distinct regions regarding the halo morphology are found. The first halo region
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Published 26 Aug 2024

Recent updates in applications of nanomedicine for the treatment of hepatic fibrosis

  • Damai Ria Setyawati,
  • Fransiska Christydira Sekaringtyas,
  • Riyona Desvy Pratiwi,
  • A’liyatur Rosyidah,
  • Rohimmahtunnissa Azhar,
  • Nunik Gustini,
  • Gita Syahputra,
  • Idah Rosidah,
  • Etik Mardliyati,
  • Tarwadi and
  • Sjaikhurrizal El Muttaqien

Beilstein J. Nanotechnol. 2024, 15, 1105–1116, doi:10.3762/bjnano.15.89

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  • application of nanoscale systems with unique physicochemical properties, including small size, large specific surface area, high reactivity, and quantum effects of the nanoparticles (NPs) [1][2]. Nanomedicine is specifically designated for therapeutics (drug delivery), diagnostics, and imaging, as well as for
  • fact that there are over 50 nanotechnology-based medical products approved by regulatory bodies worldwide for various medical purposes, including AmBisome® (liposomal amphotericin B) for fungal infections, Visudyn® (liposomal vertepor) for macular degeneration, and Onpattro® (lipid nanoparticles with
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Published 23 Aug 2024

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

  • Shakhzodjon Uzokboev,
  • Khojimukhammad Akhmadbekov,
  • Ra’no Nuritdinova,
  • Salah M. Tawfik and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

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  • . Current biomedical and pharmaceutical science has one focus on developing nanoparticle-based sensors, especially biopolymeric nanoparticles. Alginate is a widely used biopolymer in a variety of applications. The hydrogel-forming characteristic, the chemical structure with hydroxy and carboxylate moieties
  • , biocompatibility, biodegradability, and water solubility of alginate have expanded opportunities in material and biomedical sciences. Recently, research on alginate-based nanoparticles and their applications has begun. These materials are gaining popularity because of their wide usage potential in the biomedical
  • and pharmaceutical fields. Many review papers describe applications of alginate in the drug delivery field. The current study covers the structural and physicochemical properties of alginate-based nanoparticles. The prospective applications of alginate-based nanomaterials in various domains are
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Published 22 Aug 2024

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

  • Sree Satya Bharati Moram,
  • Chandu Byram and
  • Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

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  • was meticulously evaluated by analyzing the ablation rates, surface plasmon resonance peak positions, and particle size distributions of the obtained colloids. The nanoparticles (NPs) were characterized using the techniques of UV–visible absorption, transmission electron microscopy, and energy
  • implications for developing more efficient and stable SERS substrates for chemical detection applications. Keywords: dimethyl methyl phosphonate; laser material interaction; metal nanoparticles; picosecond laser ablation; SERS; thiram; Introduction Metal nanoparticles (NPs) are versatile materials widely
  • were of analytic grade and used for cleaning and diluting the samples. The laser ablation samples were 99% pure and had a thickness of 1 mm. Synthesis of nanoparticles by laser ablation in liquid Initially, silver, gold, and silver/gold (Ag50Au50) alloy targets (99%) were obtained from a local market
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Published 19 Aug 2024

Bolometric IR photoresponse based on a 3D micro-nano integrated CNT architecture

  • Yasameen Al-Mafrachi,
  • Sandeep Yadav,
  • Sascha Preu,
  • Jörg J. Schneider and
  • Oktay Yilmazoglu

Beilstein J. Nanotechnol. 2024, 15, 1030–1040, doi:10.3762/bjnano.15.84

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  • nanoparticles at ≈750 °C. Finally, the samples were synthesized by water-assisted chemical vapor deposition (CVD) at 800 °C, similar to the CVD process presented in [13][14], to achieve a crystalline graphitic nature of the carbon nanotubes. Argon was used as the carrier gas and ethylene as the carbon source. A
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Published 15 Aug 2024

Entry of nanoparticles into cells and tissues: status and challenges

  • Kirsten Sandvig,
  • Tore Geir Iversen and
  • Tore Skotland

Beilstein J. Nanotechnol. 2024, 15, 1017–1029, doi:10.3762/bjnano.15.83

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  • , University of Oslo, 0316 Oslo, Norway 10.3762/bjnano.15.83 Abstract In this article we discuss how nanoparticles (NPs) of different compositions may interact with and be internalized by cells, and the consequences of that for cellular functions. A large number of NPs are made with the intention to improve
  • excretion. Finally, we discuss requirements for bringing NPs into clinical use and aspects when it comes to usage of complex and slowly degraded or nondegradable NPs. Keywords: biodegradable; biodistribution; endocytosis; extracellular vesicles; nanomedicine; nanoparticles; Introduction Nanoparticles (NPs
  • of dynamin, such as dynasore and Dyngo, is inhibited by the presence of serum [38][41], and also that these inhibitors are not specific (see Table 1) [39][40]. Intracellular Effects of Accumulation and Degradation of Nanoparticles It has been known for years that even small particles such as QDs
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Published 12 Aug 2024

Atomistic insights into the morphological dynamics of gold and platinum nanoparticles: MD simulations in vacuum and aqueous media

  • Evangelos Voyiatzis,
  • Eugenia Valsami-Jones and
  • Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 995–1009, doi:10.3762/bjnano.15.81

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  • spherical nanoparticles (NPs) upon cooling is studied through atomistic molecular dynamics simulations. The goal is to identify the morphological transformations occurring in the nanomaterials as well as to quantify their dependence on temperature, chemistry, and NP size. For diameters smaller than 3 nm
  • employed to study other metallic and metal oxide nanomaterials. Keywords: crystallization; gold; molecular dynamics; nanoparticles; platinum; Introduction Nanomaterials, that is, materials with dimensions in the range of 1–100 nm [1][2], are central to a variety of developments in science and technology
  • , from medicine and engineering to the environment and energy. Because of their small size, nanoparticles (NPs) have only been discovered relatively recently, although they have been present in the environment throughout earth’s and human history, emerging from various sources including biological
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Published 07 Aug 2024

Therapeutic effect of F127-folate@PLGA/CHL/IR780 nanoparticles on folate receptor-expressing cancer cells

  • Thi Ngoc Han Pham,
  • Phuong-Thao Dang-Luong,
  • Hong-Phuc Nguyen,
  • Loc Le-Tuan,
  • Xuan Thang Cao,
  • Thanh-Danh Nguyen,
  • Vy Tran Anh and
  • Hieu Vu_Quang

Beilstein J. Nanotechnol. 2024, 15, 954–964, doi:10.3762/bjnano.15.78

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  • chemotherapeutic agent chlorambucil (CHL) and the imaging agent IR780. The approach in this study incorporates Pluronic F127-folate onto the PLGA nanoparticles, which enables targeted delivery to folate receptor-expressing cancer cells. The F127-folate@PLGA/CHL/IR780 nanoparticles were formulated using a
  • nanoprecipitation technique, resulting in small size, high homogeneity, and negative surface charge. Importantly, the folate-targeted nanoparticles demonstrated enhanced uptake and cytotoxicity in folate receptor-positive cancer cell lines (MCF-7 and HepG-2) compared to folate receptor-negative cells (HEK 293
  • ). Additionally, the F127-folate@PLGA/CHL/IR780 nanoparticles exhibited a lower IC50 value against cancer cells than non-targeted F127@PLGA/CHL/IR780 nanoparticles. These findings suggest that the developed F127-folate@PLGA/CHL/IR780 nanoparticles hold promise as a theragnostic system for targeted cancer therapy
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Published 31 Jul 2024

Identification of structural features of surface modifiers in engineered nanostructured metal oxides regarding cell uptake through ML-based classification

  • Indrasis Dasgupta,
  • Totan Das,
  • Biplab Das and
  • Shovanlal Gayen

Beilstein J. Nanotechnol. 2024, 15, 909–924, doi:10.3762/bjnano.15.75

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  • Indrasis Dasgupta Totan Das Biplab Das Shovanlal Gayen Laboratory of Drug Design and Discovery, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India 10.3762/bjnano.15.75 Abstract Nanoparticles (NPs) are considered as versatile tools in various fields including
  • medicine, electronics, and environmental science. Understanding the structural aspects of surface modifiers in nanoparticles that govern their cellular uptake is crucial for optimizing their efficacy and minimizing potential cytotoxicity. The cellular uptake is influenced by multiple factors, namely, size
  • governing the cellular uptake of ENMOs. The study will direct scientists in the design of ENMOs of higher cellular uptake efficiency for better therapeutic response. Keywords: Bayesian classification; cellular uptake; machine learning; nanoparticles (NPs); Introduction In recent years, the rapid
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Published 22 Jul 2024

Facile synthesis of Fe-based metal–organic frameworks from Fe2O3 nanoparticles and their application for CO2/N2 separation

  • Van Nhieu Le,
  • Hoai Duc Tran,
  • Minh Tien Nguyen,
  • Hai Bang Truong,
  • Toan Minh Pham and
  • Jinsoo Kim

Beilstein J. Nanotechnol. 2024, 15, 897–908, doi:10.3762/bjnano.15.74

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  • 17104, Korea 10.3762/bjnano.15.74 Abstract A facile approach was employed to fabricate MIL-100(Fe) materials from Fe2O3 nanoparticles through a conventional hydrothermal reaction without the presence of HF and HNO3. Effects of trimesic acid content in the reaction system on the quality and CO2/N2
  • . Importantly, this route opens a new approach to utilizing Fe2O3-based waste materials from the iron and steel industry in manufacturing Fe-based MIL-100 materials. Keywords: CO2/N2 separation; Fe2O3 nanoparticles; hydrothermal reaction; IAST-predicted CO2/N2 selectivity; MIL-100(Fe); Introduction Metal
  • Fe2O3 without the assistance of HF and HNO3. In this study, MIL-100(Fe) nanoparticles were successfully made utilizing a green synthetic route to convert Fe2O3 in a traditional hydrothermal reaction with the assistance of trimesic acid. A variety of analytical methods were employed to estimate quality
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Published 19 Jul 2024

Water-assisted purification during electron beam-induced deposition of platinum and gold

  • Cristiano Glessi,
  • Fabian A. Polman and
  • Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 884–896, doi:10.3762/bjnano.15.73

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  • especially PtOx species, on SiOx substrates, as demonstrated during atomic layer deposition (ALD) experiments, although at elevated temperatures [58][59]. It has been postulated that the growth of Pt nanoparticles through ALD (using MeCpPtMe3 as the precursor molecule) is determined rather by the adsorption
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Published 18 Jul 2024

A review on the structural characterization of nanomaterials for nano-QSAR models

  • Salvador Moncho,
  • Eva Serrano-Candelas,
  • Jesús Vicente de Julián-Ortiz and
  • Rafael Gozalbes

Beilstein J. Nanotechnol. 2024, 15, 854–866, doi:10.3762/bjnano.15.71

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  • used for NMs (e.g., “Au nanoparticles”) to refer to a family of materials combining different sizes and/or coating materials that can have different properties. Hence, ECHA defined a set of relevant physicochemical parameters to identify and register nanoforms, including six compulsory requirements
  • –100 nm). Figure 1 shows some types of NMs according to their dimensions [12]. Several studies show that the nanoscopic structure of the nanoparticles or their aggregates affects the behavior of NMs, and more particularly their toxicity. The influence of the size and the structure of nanoparticles or
  • their aggregates on their toxicity has been recently reviewed [13]. From now, we will use the label “nanostructure” to refer to these properties, in comparison with the term “structure” referring to the chemical composition. The nanostructural differences among nanoparticles can be defined by different
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Published 11 Jul 2024

When nanomedicines meet tropical diseases

  • Eder Lilia Romero,
  • Katrien Van Bocxlaer and
  • Fabio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 830–832, doi:10.3762/bjnano.15.69

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  • oxide nanoparticles (SPIONs) for treating cutaneous lesions caused by Leishmania amazonensis. The selectivity index for intracellular amastigotes was more than 240 times higher compared to that of current prescribed drugs to treat the disease, making SPIONs strong candidates for a new therapeutic
  • approach against leishmaniasis [4]. Dourado and collaborators, who showed the therapeutic potential of curcumin-loaded nanocarriers, have also focused their review on these vector-borne NTDs [5]. With an emphasis on the treatment of schistosomiasis using nanoparticles, Carvalho and colleagues provided a
  • comprehensive review on the field. Herein, the authors have accessed different databases, finding inorganic and polymeric nanoparticles as the most investigated nanosystems towards schistosomiasis, an acute and chronic parasitic NTD caused by blood-feeding nematodes of the genus Schistosoma [6]. Another
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Published 08 Jul 2024
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