Article
Physics, Applied
Michael G. Christiansen, Nima Mirkhani, William Hornslien, Simone Schuerle
Summary: Single domain magnetic nanoparticles are investigated as actuators in biological and chemical processes, and their localized effects may involve induced electric fields.
JOURNAL OF APPLIED PHYSICS
(2022)
Article
Nanoscience & Nanotechnology
Yadileiny Portilla, Sara Mellid, Alberto Paradela, Antonio Ramos-Fernandez, Neus Daviu, Laura Sanz-Ortega, Sonia Perez-Yague, Maria P. Morales, Domingo F. Barber
Summary: In the study, it was found that different coatings did not affect the composition of the protein corona on iron oxide nanoparticles. Enzymes with hydrolase activity in the corona may explain the degradation of coatings when in contact with biological media. Coatings primarily determine the endocytic pathways used for nanoparticle internalization by cells.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Zhe Yang, Shuwang Wu, Yun Gao, Dandan Kou, Kuan Lu, Can Chen, Yi Zhou, Dandan Zhou, Lei Chen, Jianxian Ge, Cang Li, Jianfeng Zeng, Mingyuan Gao
Summary: This study investigates the degradation of iron oxide nanoparticles under biologically relevant conditions, revealing that acidic environment, presence of bovine serum albumin, glutathione, and sodium citrate all have different effects on the degradation rate. The dissolution and aggregation of nanoparticles significantly impact their relaxivity, which has implications for their use as magnetic resonance imaging contrast agents.
Article
Chemistry, Multidisciplinary
Mohamad Zandieh, Juewen Liu
Summary: This study found that hydrophilic bare Fe3O4 nanoaggregates can efficiently remove and catalytically degrade various common microplastics, with hydrogen bonding as the main adsorption force, with the characteristics of high efficiency and easy recovery.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Biochemistry & Molecular Biology
Sota Kuno, Hiroaki Fujita, Yu-Ki Tanaka, Yasumitsu Ogra, Kazuhiro Iwai
Summary: NCOA4 acts as a crucial autophagy adaptor protein that regulates ferritin fate under both iron repletion and depletion conditions, maintaining cellular iron homeostasis. By forming insoluble condensates, NCOA4 prevents excessive iron storage in cells and facilitates ferritin delivery to lysosomes, effectively balancing iron levels in the cell.
Article
Biochemistry & Molecular Biology
Rocio Jurado, Jozef Adamcik, Antoni Sanchez-Ferrer, Sreenath Bolisetty, Raffaele Mezzenga, Natividad Galvez
Summary: The study focused on optimizing experimental conditions to produce long and rigid apoferritin protein amyloid fibrils, and investigated the corresponding fibrillation pathway. Extended incubation times led to the progressive unfolding and hydrolysis of proteins into very short peptide fragments, which are essential for the formation of final apoferritin amyloid-like fibrils. AFM, SDS-PAGE, and CD supported a universal common fibrillation mechanism where hydrolyzed fragments played a central role.
Article
Plant Sciences
Nam Khoa Nguyen, Juan Wang, Dongping Liu, Byung Kook Hwang, Nam-Soo Jwa
Summary: Rice ferritin 2 (OsFER2) is crucial for iron- and ROS-dependent ferroptotic cell death and defense response against the avirulent M. oryzae INA168. Its expression regulates iron and ROS accumulation, as well as the expression of defense-related genes.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Cole A. Guggisberg, Juyoung Kim, Jaekwon Lee, Xiaoli Chen, Moon-Suhn Ryu
Summary: Macrophages recycle iron from erythrocytes and NCOA4 regulates ferritinophagy and iron release. NCOA4 has functional association with immune response.
Article
Environmental Sciences
Umme Kalsoom, Nasira Khalid, Affaf Ibrahim, Syed Salman Ashraf, Haq Nawaz Bhatti, Zainab Ahsan, Jakub Zdarta, Muhammad Bilal
Summary: This study investigates the biodegradation of direct blue (DB) 297 and reactive blue (RB) 221 using immobilized horseradish peroxidase (HRP) on iron oxide nanoparticles. The nanoparticles were synthesized by co-precipitation and showed an immobilization efficiency of 87%. The immobilized HRP exhibited higher thermal stability, pH stability, and dye degradation efficiency compared to free HRP.
Article
Chemistry, Physical
Hira Fatima, Muhammad Rizwan Azhar, Mehdi Khiadani, Yijun Zhong, Wei Wang, Chao Su, Zongping Shao
Summary: The development of a near-infrared-responsive photocatalyst Fe3O4@PB@ZnO has successfully addressed the challenge of low-wavelength photon absorption in ZnO-based photocatalysis for wastewater treatment. The enhanced photocatalytic rate of Fe3O4@PB@ZnO is attributed to the presence of PB with low bandgap, which results in sufficient production of reactive oxygen species.
MATERIALS TODAY ENERGY
(2022)
Article
Biochemistry & Molecular Biology
Yidan Zhang, Xinmei Sha, Jiangnan Hu, Jincan Wu, Yue Li, Junrui Ma, Haili Sun, Rui Yang
Summary: A ferritin-betanin complex and a caffeic acid-ferritin complex were prepared through self-assembly and attachment methods. The structures of ferritin were affected by the encapsulation of betanin and the binding of caffeic acid. The ferritin nanoparticles exhibited enhanced stability and controlled release properties.
Article
Biophysics
Alexandra G. Pershina, Alexander M. Demin, Natalya A. Perekucha, Olga Y. Brikunova, Lina V. Efimova, Kseniya V. Nevskaya, Alexander V. Vakhrushev, Victor G. Zgoda, Mikhail A. Uimin, Artem S. Minin, Dina Malkeyeva, Elena Kiseleva, Anastasia P. Zima, Victor P. Krasnov, Ludmila M. Ogorodova
Summary: The architecture of nanoparticle surface is important for their interactions with cells in vivo. We studied the interactions of magnetic nanoparticles (MNPs) modified with polyethylene glycol (PEG) and peptides with immune cells in human serum. The conjugation of MNPs-PEG with pHLIP enhanced their association with mononuclear phagocytic cells, while there was no significant enhancement with cycloRGD. The protein corona composition did not differ significantly between pHLIP-modified and parental PEGylated nanoparticles.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Minli Zeng, Kunyapat Thummavichai, Wenting Chen, Guangsheng Liu, Zhen Li, Xiaorong Chen, Chen Feng, Yi Li, Nannan Wang, Yanqiu Zhu
Summary: This study synthesized size-controlled Fe3O4 nanoparticles doped with rare earth ions and investigated the influence of different rare earth ions on their magnetic properties, providing a new perspective for designing biomedical and spintronics materials with tailored properties.
Review
Medical Laboratory Technology
Erin S. Grant, Danielle B. Clucas, Gawain McColl, Liam T. Hall, David A. Simpson
Summary: Iron is crucial for human health, but both deficiency and overload can cause health concerns. The measurement of total iron stores is essential for identifying abnormal iron levels and tracking changes in clinical settings.
CLINICAL CHEMISTRY AND LABORATORY MEDICINE
(2021)
Article
Chemistry, Multidisciplinary
Kyle M. Kirkpatrick, Benjamin H. Zhou, Philip C. Bunting, Jeffrey D. Rinehart
Summary: Magnetization is a measurable property of materials that provides information about their electronic structure, phase purity, and impurities. Superparamagnetism, a size-dependent property of magnetic materials, has been underexplored in the field of quantum materials. In this study, a statistical model is used to analyze a dataset of variable-size superparamagnetic Fe3O4 particles. The results show that parameters of the intrinsic probability distribution, such as the maximum susceptibility, are more suitable for describing the superparamagnetic behavior compared to standard measures like saturation magnetization. This analysis has potential applications in synthesis diagnostics and prediction of new properties and functionality.
Article
Environmental Sciences
Yawen Xiao, Ahmed S. Helal, Eva Mazario, Alvaro Mayoral, Alexandre Chevillot-Biraud, Philippe Decorse, Remi Losno, Francois Maurel, Souad Ammar, John S. Lomas, Miryana Hemadi
Summary: In this study, Maghemite (gamma-Fe2O3) nanoparticles were functionalized with 3-aminopropyltriethoxysilane (APTES) and reacted with diethylenetriamine-pentaacetic acid (DTPA) to obtain a nanohybrid adsorbent DAMNP. The DAMNP showed high adsorption capacity and selectivity for uranyl ions, making it a promising candidate for recovering uranium from nuclear wastewaters.
ENVIRONMENTAL RESEARCH
(2023)
Article
Chemistry, Physical
Florent Voisin, Gerald Lelong, Jean Michel Guigner, Thomas Bizien, Jean Maurice Mallet, Florent Carn
Summary: This article demonstrates the stabilizing effect of polyelectrolyte chains on globally neutral aggregates formed through electrostatic complexation. These stabilized complexes, composed of citrate-stabilized gold particles and quater-nized chitosan, are able to retain their nanometric size and stability in saline environment and cell culture media. The plasmonic coupling in these complexes allows for maximized optical absorption.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Analytical
Antoine Dowek, Florent Voisin, Laetitia Le, Celine Tan, J. M. Mallet, Florent Carn, Eric Caudron
Summary: This study focuses on the improvement and control of SERS analysis by optimizing the aggregation/self-assembly of AuNPs using quaternized chitosan. The results show that the use of polyelectrolyte chains can stabilize neutral AuNPs aggregates, leading to significant enhancement of Raman signal. The stable and sensitive measurements of epinephrine at low concentrations were achieved, and the signal remained stable in complex media such as isotonic sodium chloride and glucose.
Article
Chemistry, Analytical
Naveed Akhtar Shad, Anam Munawar, Yasir Javed, Allah Rakha, Ahsan Riaz, Salah Ud Din, Iqra Zareef, Muhammad Munir Sajid, Muahmmad Farhan Khan, Sareen Akhtar, Midhat Salman
Summary: Understanding the local air and water is crucial for assessing the environment of any area. Different types of contaminants present challenges in collecting and analyzing data about abiotic factors that contribute to environmental issues. Nanotechnology has emerged as a solution to address the increase in pesticide residues, which pose risks to global health. A smart nanotechnology-based system, using the Au@ZnWO4 composite, has been developed for accurate detection of pesticide residues in biological food and environmental samples. The study aims to contribute to disease prevention, food safety, and ecosystem protection.
ANALYTICA CHIMICA ACTA
(2023)
Article
Materials Science, Ceramics
Hafiz Talha Hasnain Rana, Naveed Akhtar Shad, S. Hussain, Asim Jilani, Muhammad Umair, Muhammad Munir Sajid, Muhammad Faheem, Attaullah Shah, Yasir Jamil, Munib Ahmed Shafique, Yasir Javed
Summary: Tungstate-based nanostructures are synthesized and doped with dysprosium to enhance electrochemical performance. Dy doping changes the structural properties and reduces the band gap of calcium tungstate nanomaterials. The electrochemical properties show that Dy doping improves the performance of calcium tungstate nanomaterials as a supercapacitor.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Inorganic & Nuclear
Muhammad Munir Sajid, Haifa Zhai, Naveed Akhtar Shad, Thamer Alomayri, Muhammad Aamir Hassan, Yasir Javed, Nasir Amin, Zhengjun Zhang, Mika Sillanpaa, Muhammad Aamir Iqbal
Summary: Here, Fe doped MoS2/BiVO4 magnetic heterostructure composites were synthesized using a sonication-assisted hydrothermal method. The synthesized composites were characterized for crystal structures, morphology, surficial chemical properties, photocatalysis, and antimicrobial properties. The Fe@MoS2/BiVO4 p-n heterojunction exhibited superior degradation of methylene blue dye in the visible light range. The incorporation of composite materials reduced the bandgap energy, facilitating more energy absorption in the visible light spectrum. The enhanced photocatalytic activity of Fe@MoS2/BiVO4 was attributed to a large carrier lifetime and the synergistic effect of the p-n heterojunction.
The antimicrobial investigation showed that 1 wt% Fe@MoS2/BiVO4 exhibited good antimicrobial response against Escherichia coli (E. coli). These findings provide insights into the photocatalytic mechanism, p-n junction formation mechanism, and possible antimicrobial mechanisms of Fe-doped MoS2/BiVO4.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Chemistry, Inorganic & Nuclear
Gulzar Ahmad, Naveed Akhtar Shad, Anam Munawar, Aamir Razzaq, Asim Jilani, Dilshad Hussain, Muhammad Munir Sajid, Muhammad Ikram, Muhammad Sarwar, Bushra Akhtar, Yasir Javed
Summary: The World Health Organization is urging for a change in our prescription and use of antibiotics due to the growing problem of antibiotic resistance. Chloramphenicol, an internationally banned antibiotic, is still being used in developing countries due to its low cost and effectiveness. Monitoring chloramphenicol is necessary in human, food, and other sources.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Muhammad Umair, Naveed Akhtar Shad, S. Hussain, Asim Jilani, Muhammad Munir Sajid, Muhammad Imran Arshad, Hafiz Talha Hasnain Rana, Surender Kumar Sharma, Yogendra Kumar Mishra, Yasir Javed
Summary: Transition metal vanadate nanostructures have significant importance as efficient electrode materials for modern energy storage applications. In this study, magnesium vanadate and silver-doped magnesium vanadate nanomaterials were synthesized using a simple hydrothermal method. Characterization using XRD analysis and optical bandgap measurements revealed the structural differences and increased bandgap with silver doping. Electrochemical performance testing showed that the silver-doped magnesium vanadate exhibited higher specific capacitance and a significant contribution from surface-controlled processes.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Electrochemistry
Iara A. Monteles, Bruno V. Penha, Weliton S. Fonseca, Leticia M. B. Silva, Evelyn C. S. Santos, Luiz K. C. de Souza, C. C. Santos, A. S. de Menezes, Surender K. Sharma, Yasir Javed, Muhammad R. Khawar, Auro A. Tanaka, Marcio A. P. Almeida
Summary: This study investigates the structural evolution of BiPO4 under different synthesis conditions and explores its electrochemical performance for supercapacitor applications. The addition of different templates (CTAB, SDS) results in a hexagonal structure, while the addition of EG leads to a mixed structure of both the hexagonal and monoclinic phases. Raman spectra confirms the presence of the mixed phase and electron microscopy reveals the influence of templates on the morphology of the synthesized materials. The BiPO4-EG mixed structure exhibits the highest specific capacity, good capacitance retention at high current densities, and the lowest electrochemical series resistance.
JOURNAL OF APPLIED ELECTROCHEMISTRY
(2023)
Editorial Material
Chemistry, Multidisciplinary
Y. Gossuin, Q. L. Vuong, A. Lascialfari
Summary: This comment expresses reservations about the adequacy of the new relaxation model proposed by Konwar et al. in their recent article, which explores the relationship between the structure of clusters of superparamagnetic nanoparticles and the proton nuclear magnetic resonance transverse relaxation they induce.
Article
Materials Science, Multidisciplinary
Navadeep Shrivastava, Carlos Ospina, Carlos Jacinto, Alan S. de Menezes, Diego Muraca, Yasir Javed, Marcelo Knobel, Zhiping Luo, Surender Kumar Sharma
Summary: A robust yellowish-green emitting multi core-shell Fe3O4@SiO2@beta-NaGdF4:RE3+ (RE=5% Ce, 5% Tb, x% Dy; x=1, 5 and 10 mol.%) nanoparticles (NPs) containing magnetic and luminescence properties were synthesized using a microwave-assisted hydrothermal method. The photoluminescence investigation revealed a down-converting energy transfer process involving Ce3+->Gd3+->Tb3+<->Dy3+ with Gd3+ playing an important intermediate role assisted by Tb3+. The magnetic hysteresis loops displayed superparamagnetic behavior at 300 K and ferromagnetic ordering at 2 K.
Article
Polymer Science
Muhammad Khawar Abbas, Yasir Javed, Yasir Jamil, Muhammad Shahid
Summary: Polymer-coated silver oxide nanoparticles (NPs) were prepared using the hydrothermal method in this study. The NPs were characterized using XRD, SEM, UV-Vis, PL, and FTIR. The crystallite size of PEG and Chitosan-functionalized NPs was smaller compared to pristine NPs. SEM images showed spherical morphology and different grain sizes for different functionalized NPs. The polymer-functionalized NPs exhibited enhanced anticancer potential and antibacterial properties against liver cancer cells and bacterial extracts. The NPs also showed wound-healing ability.
POLYMERS FOR ADVANCED TECHNOLOGIES
(2023)
Article
Physics, Multidisciplinary
Mohammad Shariq, Amal BaQais, Talal M. M. Althagafi, Osama Madkhali, Arafa A. A. Alholaisi, Sajad Hussain, Yasir Javed
Summary: Nanospheres of Co3O4, NiO, and their composites (Co3O4/NiO) were prepared by the co-precipitation method and used as supercapacitor electrode materials. The chemical composition of the materials was identified using EDX, while X-ray diffraction was used to determine the crystallite sizes. FTIR was utilized to check the functional groups, and scanning electron microscopy revealed the morphology of the nanospheres. Cyclic voltammetry and galvanostatic charging/discharging were used to investigate the electrochemical properties, finding exceptional specific capacitance, power density, and energy density for the nanocomposite Co3O4/NiO.
EUROPEAN PHYSICAL JOURNAL PLUS
(2023)
Article
Chemistry, Physical
Muhammad Munir Sajid, Haifa Zhai, Nadia Anwar, Naveed Akhtar Shad, Muhammad Sohail, Yasir Javed, Nasir Amin, Mohammed Al-Bahrani, Kareem Morsy, Zhengjun Zhang, Muhammad Aamir, Wen-Cheng Lai
Summary: The fabrication and characteristics of Zn3-xBix(VO4)(2) heterojunctions were studied, and it was found that Bi+3 substitution can improve photocatalytic activity and electrochemical properties. The mixture with x = 0.30 exhibited superior photocatalytic response and charge separation efficiency. The physicochemical attributes of the prepared heterojunction were analyzed using various characterization techniques.
SURFACES AND INTERFACES
(2023)
Article
Engineering, Electrical & Electronic
Zartasha Sarwar, Muhammad Umair, Yasir Javed, S. Hussain, Naveed Akhtar Shad, Asim Jilani, Aqeel Ahmed Shah, Muhammad Azam, Sumara Ashraf
Summary: In this study, vanadium-based hybrid capacitors were successfully synthesized and characterized. The V2O5/CeO2 nanocomposite exhibited excellent electrochemical performance, with a higher specific capacity compared to V2O5/rGO and bare V2O5.
JOURNAL OF ELECTRONIC MATERIALS
(2023)