Potential of a deep eutectic solvent in silver nanoparticle fabrication for antibiotic residue detection

• Le Hong Tho,
• Bui Xuan Khuyen,
• Ngoc Xuan Dat Mai and
• Nhu Hoa Thi Tran

Beilstein J. Nanotechnol. 2024, 15, 426–434, doi:10.3762/bjnano.15.38

• DES in nanomaterials fabrication and a possible guidance for low-cost and effective SERS substrate construction in biosensors. Experimental Chemicals ʟ-Ascorbic acid (AA, C6H8O6, 99%), silver nitrate (AgNO3, 99%), (3-aminopropyl)triethoxysilane (APTES, 99%), NFT (C8H6N4O5, 98%), and SDZ (C10H10N4O2S

Assessing phytotoxicity and tolerance levels of ZnO nanoparticles on Raphanus sativus: implications for widespread adoptions

• Pathirannahalage Sahan Samuditha,
• Nadeesh Madusanka Adassooriya and
• Nazeera Salim

Beilstein J. Nanotechnol. 2024, 15, 115–125, doi:10.3762/bjnano.15.11

• nanomaterials may dissolve and then undergo biotransformation or be internalized as intact particles in a biological context [48]. As an example, the biotransformation of ZnO NPs into Zn nitrate, Zn phosphate, and Zn citrate in desert plant species has been reported [49]. Also, the bioaccumulation of intact ZnO

New application of bimetallic Ag/Pt nanoplates in a colorimetric biosensor for specific detection of E. coli in water

• Azam Bagheri Pebdeni,
• Mohammad N. AL-Baiati and
• Morteza Hosseini

Beilstein J. Nanotechnol. 2024, 15, 95–103, doi:10.3762/bjnano.15.9

• system offers a rapid, sensitive, and portable biosensor for preventing E. coli contamination and resolving public health concerns in the future. Experimental Materials Silver nitrate (AgNO3), potassium tetrachloroplatinate(II), ascorbic acid, TMB, H2O2 (for determining peroxidase-like activity), and

Nanotechnological approaches in the treatment of schistosomiasis: an overview

• Lucas Carvalho,
• Michelle Sarcinelli and
• Beatriz Patrício

Beilstein J. Nanotechnol. 2024, 15, 13–25, doi:10.3762/bjnano.15.2

• mobility, couple separation, and tegument alterations. In vivo, the main criteria used is reducing worm burden, quantity and diameter of granuloma, eggs in feces, and oxidative stress markers (e.g., glutathione, nitrite/nitrate, and malondialdehyde). Generally, articles that do not show effectiveness data

A visible-light photodetector based on heterojunctions between CuO nanoparticles and ZnO nanorods

• Doan Nhat Giang,
• Nhat Minh Nguyen,
• Duc Anh Ngo,
• Thanh Trang Tran,
• Le Thai Duy,
• Cong Khanh Tran,
• Thi Thanh Van Tran,
• Phan Phuong Ha La and
• Vinh Quang Dang

Beilstein J. Nanotechnol. 2023, 14, 1018–1027, doi:10.3762/bjnano.14.84

• ), zinc nitrate hexahydrate (Zn(NO3)2·6H2O, 99%, Xilong Scientific), copper(II) nitrate pentahydrate (Cu(NO3)2·5H2O, 99%, Xilong Scientific), sodium hydroxide (NaOH, 99%, Sigma-Aldrich Chemistry), ethanol (C2H5OH, 99.5%, Chemsol), and acetone (CH3OCH3, 99.7%, Chemsol). Synthesis process The synthesis

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

• (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

Silver-based SERS substrates fabricated using a 3D printed microfluidic device

• Phommachith Sonexai,
• Minh Van Nguyen,
• Bui The Huy and
• Yong-Ill Lee

Beilstein J. Nanotechnol. 2023, 14, 793–803, doi:10.3762/bjnano.14.65

• various scientific and technological applications. The Ag NPs were synthesized using a droplet-based microfluidic device and a stereolithographic 3D printing method. The microfluidic device was optimized to produce uniform droplets, within which silver nitrate was reduced by sodium borohydride. This

• . Experimental Chemicals and apparatus Silver nitrate (AgNO3, 99.9%) was purchased from Kojima Chemical (Japan). Sodium borohydride (NaBH4, 98%) and melamine (99%) were obtained from Sigma-Aldrich (Republic of Korea). Hydrofluoric acid (48–51%), sulfuric acid (98%), nitric acid (65–70%), rhodamine B (pure

• aqueous solutions and oil, respectively. Synthesis of silver nanoparticles Different molar ratios of silver nitrate to sodium borohydride were used to produce Ag nanoparticles in the microfluidic device at room temperature, with flow rates of 20 and 80 µL/min for the aqueous solutions and oil

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

• reagents were purchased from Acros (Belgium): silver nitrate (AgNO3), methyl orange (MO), rhodamine B (RhB), calcium acetate hydrate, sodium alginate, and sodium tetrahydroborate (NaBH4). Lactose was obtained from Yong Da (China). The chemicals were used without additional purification. Distilled water was

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

• , namely citric, malic, isocitric, glyceric, lactic, tartaric, α-hydroxybutyric, β-hydroxybutyric, succinic, pimelic, glutaric, tricarballylic, adipic, acetic, tartronic, and dihydroxymalonic acid. Controls, including ascorbic acid, ammonium nitrate, sodium nitrate, and water, were also tested. The goal

• , there was no evidence of significant particle agglomeration. Group three contains lactic and tartaric acid, ammonium nitrate, and water. Again, there was a small reduction in hydrodynamic particle size over time and no noticeable color change when stored in the dark, similar to groups one and two. The

• , pimelic, glutaric, tricarballylic, adipic, and acetic acid plus sodium nitrate. As was the case for groups one through three for the samples stored in the dark, there was a small reduction in hydrodynamic particle size over time with no noticeable change in color. Nanoceria agglomerated in the presence of

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

Evaluation of electrosynthesized reduced graphene oxide–Ni/Fe/Co-based (oxy)hydroxide catalysts towards the oxygen evolution reaction

• Karolina Cysewska,
• Marcin Łapiński,
• Marcin Zając,
• Jakub Karczewski,
• Piotr Jasiński and
• Sebastian Molin

Beilstein J. Nanotechnol. 2023, 14, 420–433, doi:10.3762/bjnano.14.34

• was the structure of NiFe and the electroactive surface area of GO. Experimental Fabrication of the catalysts NiFe and CoNiFe oxides/(oxy)hydroxides were synthesized in a one-step process by electrodeposition at −1.1 V vs Ag/AgCl in an aqueous solution of 4 mM nickel(II) nitrate hexahydrate (Ni(NO3)2

• ·6H2O) (98%, Sigma-Aldrich), 4 mM iron(III) nitrate nonahydrate (Fe(NO3)3·9H2O) (98%, Sigma-Aldrich), and 0 or 4 mM cobalt(II) nitrate hexahydrate (Co(NO3)2·6H2O) (98%, Sigma-Aldrich) at 25 °C. NiFe-GO and CoNiFe-GO were fabricated in a two-step process: (1) electrodeposition of GO performed at −1.0 V

• time was limited to a charge of 200 mC for each deposition process. The deposition parameters, that is, the concentration of each metal nitrate and deposition charge, were optimized regarding the most efficient OER performance of the Ni-, Fe- and Co-based catalysts obtained in a previous work [25]. The

Quercetin- and caffeic acid-functionalized chitosan-capped colloidal silver nanoparticles: one-pot synthesis, characterization, and anticancer and antibacterial activities

• Akif Hakan Kurt,
• Elif Berna Olutas,
• Fatma Avcioglu,
• Hamza Karakuş,
• Mehmet Ali Sungur,
• Cansu Kara Oztabag and
• Muhammet Yıldırım

Beilstein J. Nanotechnol. 2023, 14, 362–376, doi:10.3762/bjnano.14.31

• quercetin (≥95%) were purchased from Sigma-Aldrich. Silver nitrate (AgNO3, ≥99.8%) was obtained from ISOLAB. Dimethyl sulfoxide (DMSO, ≥99.0%), glacial acetic acid (CH3COOH), anhydrous aluminium chloride (AlCl3, ≥98.0%), and Folin–Ciocalteau’s phenol reagent (2 N) were purchased from Merck. Water was

Antimicrobial and mechanical properties of functionalized textile by nanoarchitectured photoinduced Ag@polymer coating

• Jessica Plé,
• Marine Dabert,
• Helene Lecoq,
• Sophie Hellé,
• Lydie Ploux and
• Lavinia Balan

Beilstein J. Nanotechnol. 2023, 14, 95–109, doi:10.3762/bjnano.14.11

• (complete inhibition for approximately 2.5 and 15 µg/g released silver, respectively). The nanocomposite structure can thus be tuned in order to provide the best compromise between antimicrobial activity and mechanical longevity depending on the field of application. Experimental Materials Silver nitrate

Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning

• Chang-Ming Wang,
• Hong-Sheng Chan,
• Chia-Li Liao,
• Che-Wei Chang and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2023, 14, 34–44, doi:10.3762/bjnano.14.4

• purchased from Echo Chemical (Taipei, Taiwan). Hexamethyldisilazane (HMDS) was purchased from Sigma-Aldrich (St Louis, MO, USA). Iron nitrate and thiourea were purchased from Showa Chemical Industry Co., Ltd. (Tokyo, Japan). Positive photoresist AZ6112 was purchased from AZ Electronic Materials Taiwan Co

• structure characterization To transfer chemical patterns created by CLL to the underneath metal layer, a wet chemical etching process was adopted. After lifting the PDMS stamp from a SAM-modified Au substrate, the Au surface was immersed in an aqueous mixture containing 40 mM iron nitrate and 60 mM thiourea

• lift-off surface can serve as the molecular resist for the underneath material structure transfer. This concept is demonstrated by immersing a post-lift off surface in an aqueous mixture containing iron nitrate and thiourea for wet chemical etching (Figure 3A). The absence of SAM molecule protection at

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

• Mitzi J. Ramírez-Hernández,
• Mario Valera-Zaragoza,
• Omar Viñas-Bravo,
• Ariana A. Huerta-Heredia,
• Miguel A. Peña-Rico,
• Erick A. Juarez-Arellano,
• David Paniagua-Vega,
• Eduardo Ramírez-Vargas and
• Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

• between cancer cells and healthy cells can be achieved. Experimental Materials MD2 hybrid pineapples (family: Bromeliaceae, genus: Ananas Mill, 1754, species: comosus (L.) Merr., 1917) were obtained from crops in the Tuxtepec region of the state of Oaxaca, Mexico. Silver nitrate (CAS 7761-88-8, ACS

Structural studies and selected physical investigations of LiCoO₂ obtained by combustion synthesis

• Monika Michalska,
• Paweł Ławniczak,
• Tomasz Strachowski,
• Adam Ostrowski and
• Waldemar Bednarski

Beilstein J. Nanotechnol. 2022, 13, 1473–1482, doi:10.3762/bjnano.13.121

• is a widely used method for the creation of nanomaterials [48][49][50][51][52][53][54][55][56][57]. Acetates, carbonates, and nitrate salts of lithium and cobalt are often utilized as starting materials and oxidizers in the combustion synthesis of lithium cobalt oxide [50][58][59]. Different ammonium

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

• was not synergically promoted by PolyCD. Moreover, we assumed that the biological inactivity of pentamidine in nanoGSP could be attributed to its not prompt availability due to strong interactions of the drug with CD cavities. Experimental General remarks Tetrachloroauric acid (HAuCl4), silver nitrate

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

• Vishal Dutta,
• Ankush Chauhan,
• Ritesh Verma,
• C. Gopalkrishnan and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

Green synthesis of zinc oxide nanoparticles toward highly efficient photocatalysis and antibacterial application

• Vo Thi Thu Nhu,
• Nguyen Duy Dat,
• Le-Minh Tam and
• Nguyen Hoang Phuong

Beilstein J. Nanotechnol. 2022, 13, 1108–1119, doi:10.3762/bjnano.13.94

• applications. Nava et al. [26] prepared ZnO NPs using Camellia sinensis extracts and applied ZnO NPs to degrade methylene blue (MB). Ambika et al. [12] synthesized ZnO by a green method using a precursor from the Vitex negundo plant extract and zinc nitrate, and antimicrobial properties of ZnO NPs were

Solar-light-driven LaFe_xNi_1−xO₃ perovskite oxides for photocatalytic Fenton-like reaction to degrade organic pollutants

• Chao-Wei Huang,
• Shu-Yu Hsu,
• Jun-Han Lin,
• Yun Jhou,
• Wei-Yu Chen,
• Kun-Yi Andrew Lin,
• Yu-Tang Lin and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 882–895, doi:10.3762/bjnano.13.79

• were lanthanum nitrate hexahydrate (99.9%, La(NO3)3·6H2O, Alfa Aesar), ferric nitrate nonahydrate (≥98.0%, Fe(NO3)3·9H2O, J.T. Baker), and nickel nitrate hexahydrate (98.0%, Ni(NO3)2·6H2O, Showa), respectively. The citric acid (95.0%, C6H8O7) and ammonia (28.0–30.0%, NH4OH) were both obtained from J.T

• synthesis. First, 0.02 mol lanthanum nitrate hexahydrate (La(NO3)3∙6H2O), ferric nitrate nonahydrate (Fe(NO3)3∙9H2O), and nickel nitrate hexahydrate (Ni(NO3)2∙6H2O) were dissolved in deionized water to form the mixed solution. Various photocatalysts with different molar ratios of Fe/Ni were manipulated at

• condensation and polymerization reactions occurred between citric acid and nitrate to chelate metal ions. Subsequently, the gel was formed and transferred to a high-temperature furnace for pre-calcination by self-propagating combustion in an air environment of 300 °C. The combustion duration was 20 min to

Hierarchical Bi₂WO₆/TiO₂-nanotube composites derived from natural cellulose for visible-light photocatalytic treatment of pollutants

• Zehao Lin,
• Zhan Yang and
• Jianguo Huang

Beilstein J. Nanotechnol. 2022, 13, 745–762, doi:10.3762/bjnano.13.66

• , anhydrous ethanol, acetone, barium sulfate (BaSO4), rhodamine B, isopropyl alcohol (IPA), N-methylpyrrolidone, ethylenediaminetetraacetic acid disodium salt (EDTA-2Na), silver nitrate (AgNO3), sodium sulfate (Na2SO4), ethylene glycol (EG), potassium dichromate (K2Cr2O7), phosphoric acid (H3PO4), and

• sulfuric acid (H2SO4) were purchased from Sinopharm Chemical Reagent Co., Ltd. (China). Titanium n-butoxide [Ti(OnBu)4], p-benzoquinone (p-BQ), bismuth nitrate pentahydrate [Bi(NO3)3·5H2O], sodium tungstate dihydrate (Na2WO4·2H2O), 1,5-diphenylcarbazide, and potassium iodate (KIO3) were bought from J&K

A nonenzymatic reduced graphene oxide-based nanosensor for parathion

• Sarani Sen,
• Anurag Roy,
• Ambarish Sanyal and
• Parukuttyamma Sujatha Devi

Beilstein J. Nanotechnol. 2022, 13, 730–744, doi:10.3762/bjnano.13.65

• , 100 mg of sodium nitrate (Merck) was added to 250 mg of graphite powder (Alfa Aesar) and further acidified with ≈5 mL of concentrated sulfuric acid (Merck) at a temperature range of 0–5 °C followed by vigorous stirring. In the next step, 600 mg of KMnO4 (Merck) was sequentially added to the

Interfacial nanoarchitectonics for ZIF-8 membranes with enhanced gas separation

• Season S. Chen,
• Zhen-Jie Yang,
• Chia-Hao Chang,
• Hoong-Uei Koh,
• Sameerah I. Al-Saeedi,
• Kuo-Lun Tung and
• Kevin C.-W. Wu

Beilstein J. Nanotechnol. 2022, 13, 313–324, doi:10.3762/bjnano.13.26

• films were synthesized via an interfacial method, while an interfacial method and a counter-diffusion method were adopted to synthesize α-Al2O3-supported ZIF-8 membranes for CO2/N2 gas separation. Materials and Methods Chemicals Zinc nitrate hexahydrate, 2-methylimidazole (2-MIM), sodium formate of

• reagent grade, methanol and 1-octanol of analysis grade were purchased from Sigma-Aldrich. Deionized water produced with a Merck Millipore system was used. The α-Al2O3 disks (30 mm in diameter and 1 mm in thickness) were purchased from Fraunhofer IKTS. Synthesis of ZIF-8 free-standing films Zinc nitrate

• -octanol solution was added dropwise to the zinc nitrate solution. The mixture was kept at 80 °C in an oil bath for 12 h to form a ZIF-8 free-standing thin film on the liquid–liquid interface. After the reaction, fragments of the ZIF-8 thin film were dispersed in methanol to remove solvents and unreacted

Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

• Viet Van Pham,
• Hong-Huy Tran,
• Thao Kim Truong and
• Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

• ]. Among them, photocatalytic oxidation is an efficient method of converting NOx into nitrate (NO3−) ions. The removal of NO3− ions is easy, efficient, and economic through chemical or biological methods such as the conversion of NO3− to N2 by aerobic microorganisms [9][10]. Figure 1b illustrates the

• suitable site for the formation of NO− intermediates to generate nitrite and nitrate products in the photocatalytic reaction processes. Moreover, additional OVs could be readily formed by thermal treatment under argon atmosphere. The work suggested an innovative approach for developing high-performance

Biocompatibility and cytotoxicity in vitro of surface-functionalized drug-loaded spinel ferrite nanoparticles

• Sadaf Mushtaq,
• Khuram Shahzad,
• Tariq Saeed,
• Anwar Ul-Hamid,
• Bilal Haider Abbasi,
• Nafees Ahmad,
• Waqas Khalid,
• Muhammad Atif,
• Zulqurnain Ali and
• Rashda Abbasi

Beilstein J. Nanotechnol. 2021, 12, 1339–1364, doi:10.3762/bjnano.12.99

• -field-assisted drug delivery are needed. Experimental Materials Iron nitrate [Fe(NO3)3·9H2O] and cobalt nitrate [Co(NO3)2·6H2O] (98%) were purchased from UNI-Chem. Zinc nitrate [Zn(NO3)2·6H2O)], nickel nitrate [Ni(NO3)2·6H2O], chloroform, and oleic acid (C18H34O2) (>99%) were purchased from Applichem

• method was used in the first step of the synthesis of MFe2O4 nanoparticles (0.2 M) by mixing iron nitrate [Fe(NO3)3·9H2O] and (Co/Zn/Ni) nitrates with a molar ratio of Fe/M (2:1) in 100 mL of deionized water. The solution was stirred for 15 min, heated at 70 °C, and further stirred for 1 h after the