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Saha A, Mishra P, Biswas G, Bhakta S. Greening the pathways: a comprehensive review of sustainable synthesis strategies for silica nanoparticles and their diverse applications. RSC Adv 2024; 14:11197-11216. [PMID: 38590352 PMCID: PMC11000228 DOI: 10.1039/d4ra01047g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Accepted: 03/22/2024] [Indexed: 04/10/2024] Open
Abstract
Silica nanoparticles (SiNPs) have emerged as a multipurpose solution with wide-ranging applications in various industries such as medicine, agriculture, construction, cosmetics, and food production. In 1961, Stöber introduced a ground-breaking sol-gel method for synthesizing SiNPs, which carried a new era of exploration both in academia and industry, uncovering numerous possibilities for these simple yet multifaceted particles. Inspite of numerous reported literature with wide applicability, the synthesis of these nanoparticles with the desired size and functionalities poses considerable challenges. Over time, researchers have strived to optimize the synthetic route, particularly by developing greener approaches that minimize environmental impact. By reducing hazardous chemicals, energy consumption, and waste generation, these greener synthesis methods have become an important focus in the field. This review aims to provide a comprehensive analysis of the various synthetic approaches available for different types of SiNPs. Starting from the Stöber' method, we analyze other methods as well to synthesis different types of SiNPs including mesoporous, core-shell and functionalized nanoparticles. With increasing concerns with the chemical methods associated for environmental issues, we aim to assist readers in identifying suitable greener synthesis methods tailored to their specific requirements. By highlighting the advancements in reaction time optimization, waste reduction, and environmentally friendly precursors, we offer insights into the latest techniques that contribute to greener and more sustainable SiNPs synthesis. Additionally, we briefly discuss the diverse applications of SiNPs, demonstrating their relevance and potential impact in fields such as medicine, agriculture, and cosmetics. By emphasizing the greener synthesis methods and economical aspects, this review aims to inspire researchers and industry professionals to adopt environmentally conscious practices while harnessing the immense capabilities of SiNPs.
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Affiliation(s)
- Arighna Saha
- Department of Chemistry, Cooch Behar Panchanan Barma University Cooch Behar 736101 West Bengal India
- Cooch Behar College Cooch Behar 736101 West Bengal India
| | - Prashant Mishra
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi New Delhi 110016 India
| | - Goutam Biswas
- Department of Chemistry, Cooch Behar Panchanan Barma University Cooch Behar 736101 West Bengal India
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2
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Janjua TI, Cao Y, Kleitz F, Linden M, Yu C, Popat A. Silica nanoparticles: A review of their safety and current strategies to overcome biological barriers. Adv Drug Deliv Rev 2023; 203:115115. [PMID: 37844843 DOI: 10.1016/j.addr.2023.115115] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/18/2023]
Abstract
Silica nanoparticles (SNP) have gained tremendous attention in the recent decades. They have been used in many different biomedical fields including diagnosis, biosensing and drug delivery. Medical uses of SNP for anti-cancer, anti-microbial and theranostic applications are especially prominent due to their exceptional performance to deliver many different small molecules and recently biologics (mRNA, siRNA, antigens, antibodies, proteins, and peptides) at targeted sites. The physical and chemical properties of SNP such as large specific surface area, tuneable particle size and porosity, excellent biodegradability and biocompatibility make them an ideal drug delivery and diagnostic platform. Based on the available data and the pre-clinical performance of SNP, recent interest has driven these innovative materials towards clinical application with many of the formulations already in Phase I and Phase II trials. Herein, the progress of SNP in biomedical field is reviewed, and their safety aspects are analysed. Importantly, we critically evaluate the key structural characteristics of SNP to overcome different biological barriers including the blood-brain barrier (BBB), skin, tumour barrier and mucosal barrier. Future directions, potential pathways, and target areas towards rapid clinical translation of SNP are also recommended.
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Affiliation(s)
- Taskeen Iqbal Janjua
- School of Pharmacy, The University of Queensland, Brisbane, QLD 4102, Australia.
| | - Yuxue Cao
- School of Pharmacy, The University of Queensland, Brisbane, QLD 4102, Australia
| | - Freddy Kleitz
- Department of Functional Materials and Catalysis, Faculty of Chemistry, University of Vienna, Währinger Straße 42, 1090 Vienna, Austria
| | - Mika Linden
- Institute of Inorganic Chemistry II, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Queensland, QLD 4072, Australia.
| | - Amirali Popat
- School of Pharmacy, The University of Queensland, Brisbane, QLD 4102, Australia; Department of Functional Materials and Catalysis, Faculty of Chemistry, University of Vienna, Währinger Straße 42, 1090 Vienna, Austria.
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3
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Abdulazeez I, Alrajjal AS, Ganiyu S, Baig N, Salhi B, AbdElazem S. Facile engineering of mesoporous silica for the effective removal of anionic dyes from wastewater: Insights from DFT and experimental studies. Heliyon 2023; 9:e21356. [PMID: 37920496 PMCID: PMC10618791 DOI: 10.1016/j.heliyon.2023.e21356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 10/10/2023] [Accepted: 10/19/2023] [Indexed: 11/04/2023] Open
Abstract
The discharge of dye effluents from the textile industries has become a major environmental issue due to its potential to impart serious harm to human health and aquatic life. Mesoporous silica due to its high chemical stability, large surface area, tunable morphologies, large pore volume and pore size and cost-effectiveness is commonly used to remove such dyes before recycling of the wastewater for agricultural, domestic, and industrial applications. However, the low colloidal stability, the fast aggregation of the silica particles and the slow etching of the silica surface often results in the fast deactivation of the adsorbents and limits their long-term applications. In this study, we report the functionalization of mesoporous silica (SBA-15) with ZnO nanoparticles for the effective removal of anionic dyes. The Zn-silica exhibited highly positive surface with a dipole moment of 172 Debye and high charge transfer efficacy with an energy bandgap (ΔE) of 3.35 eV as revealed by quantum chemical DFT simulations. It achieved excellent removal of Alizarin red dye reaching a removal efficiency of 99.99 % and an adsorption capacity of 50 mg/g. In the presence of heavy metal ions commonly present in wastewater (Cd2+, Co2+, Zn2+, Ni2+, Cu2+ and Hg2+), the Zn-silica maintain excellent stability, high selectivity, and reusability within 5 cycles without a significant decline in efficiency. This study thus presents an effective way of wastewater purification on cost-effective adsorbents for meeting the water scarcity demands.
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Affiliation(s)
- Ismail Abdulazeez
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Ali S. Alrajjal
- Aerospace Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Saheed Ganiyu
- Chemistry Department, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
- Interdisciplinary Research Center for Refining and Advanced Chemicals, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Nadeem Baig
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Billel Salhi
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Sohaib AbdElazem
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
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4
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Wang Y, Li Z, Mo F, Chen-Mayfield TJ, Saini A, LaMere AM, Hu Q. Chemically engineering cells for precision medicine. Chem Soc Rev 2023; 52:1068-1102. [PMID: 36633324 DOI: 10.1039/d2cs00142j] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Cell-based therapy holds great potential to address unmet medical needs and revolutionize the healthcare industry, as demonstrated by several therapeutics such as CAR-T cell therapy and stem cell transplantation that have achieved great success clinically. Nevertheless, natural cells are often restricted by their unsatisfactory in vivo trafficking and lack of therapeutic payloads. Chemical engineering offers a cost-effective, easy-to-implement engineering tool that allows for strengthening the inherent favorable features of cells and confers them new functionalities. Moreover, in accordance with the trend of precision medicine, leveraging chemical engineering tools to tailor cells to accommodate patients individual needs has become important for the development of cell-based treatment modalities. This review presents a comprehensive summary of the currently available chemically engineered tools, introduces their application in advanced diagnosis and precision therapy, and discusses the current challenges and future opportunities.
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Affiliation(s)
- Yixin Wang
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA. .,Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA.,Wisconsin Center for NanoBioSystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Zhaoting Li
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA. .,Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA.,Wisconsin Center for NanoBioSystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Fanyi Mo
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Ting-Jing Chen-Mayfield
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Aryan Saini
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Afton Martin LaMere
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Quanyin Hu
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA. .,Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA.,Wisconsin Center for NanoBioSystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
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Gao M, Han Z, Wang Z, Zou X, Peng L, Zhao Y, Sun L. Fabrication of a smart drug delivery system based on hollow Ag 2S@mSiO 2 nanoparticles for fluorescence-guided synergistic photothermal chemotherapy. Mikrochim Acta 2022; 189:376. [PMID: 36074274 DOI: 10.1007/s00604-022-05468-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 08/18/2022] [Indexed: 10/14/2022]
Abstract
A novel near-infrared (NIR) light-triggered smart nanoplatform has been developed for cancer targeting and imaging-guided combined photothermal-chemo treatment. Notably, Ag2S has a dual function of photothermal therapy and fluorescence imaging, which greatly simplifies the structure of the system. It can emit fluorescence at 820 nm under an excitation wavelength of 560 nm. The phase-change molecule of 1-tetradecanol (TD) is introduced as a temperature-sensitive gatekeeper to provide the nanocarrier with controlled release capability of doxorubicin (DOX). The nanocarrier (HAg2S@mSiO2-TD/DOX) shows a high drug loading capacity of 26.3% and exhibits an apparent NIR-responsive DOX release property. Under NIR irradiation, the photothermal effect of HAg2S nanocores facilitated the release of DOX through the melting of TD. The cytotoxicity test shows that the nanocarriers have good biocompatibility. As the same time, the synergistic combination leads to a better cancer inhibition effect than individual therapy alone in vitro. Cell uptake tests indicate that the carriers have excellent fluorescence imaging ability and high cellular uptake for HepG2 cells. This work provides a new strategy for the fabrication of smart nanocarriers with simple structures for fluorescence-mediated combination cancer therapy. Fabrication of a smart drug delivery system based on hollow Ag2S@mSiO2 nanoparticles for fluorescence-guided synergistic photothermal chemotherapy.
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Affiliation(s)
- Minjie Gao
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng, 475004, China
| | - Zehua Han
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng, 475004, China
| | - Zhihua Wang
- Henan Engineering Research Center of Industrial Circulating Water Treatment, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
| | - Xueyan Zou
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng, 475004, China
| | - Lichao Peng
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng, 475004, China
| | - Yanbao Zhao
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng, 475004, China
| | - Lei Sun
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng, 475004, China.
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Gao S, Torrente-Rodríguez RM, Pedrero M, Pingarrón JM, Campuzano S, Rocha-Martin J, Guisán JM. Dextran-coated nanoparticles as immunosensing platforms: Consideration of polyaldehyde density, nanoparticle size and functionality. Talanta 2022; 247:123549. [DOI: 10.1016/j.talanta.2022.123549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/10/2022] [Accepted: 05/12/2022] [Indexed: 11/28/2022]
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7
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Nifontova G, Tsoi T, Karaulov A, Nabiev I, Sukhanova A. Structure-function relationships in polymeric multilayer capsules designed for cancer drug delivery. Biomater Sci 2022; 10:5092-5115. [PMID: 35894444 DOI: 10.1039/d2bm00829g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The targeted delivery of cancer drugs to tumor-specific molecular targets represents a major challenge in modern personalized cancer medicine. Engineering of micron and submicron polymeric multilayer capsules allows the obtaining of multifunctional theranostic systems serving as controllable stimulus-responsive tools with a high clinical potential to be used in cancer therapy and detection. The functionalities of such theranostic systems are determined by the design and structural properties of the capsules. This review (1) describes the current issues in designing cancer cell-targeting polymeric multilayer capsules, (2) analyzes the effects of the interactions of the capsules with the cellular and molecular constituents of biological fluids, and (3) presents the key structural parameters determining the effectiveness of capsule targeting. The influence of the morphological and physicochemical parameters and the origin of the structural components and surface ligands on the functional activity of polymeric multilayer capsules at the molecular, cellular, and whole-body levels are summarized. The basic structural and functional principles determining the future trends of theranostic capsule development are established and discussed.
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Affiliation(s)
- Galina Nifontova
- Laboratoire de Recherche en Nanosciences, LRN-EA4682, Université de Reims Champagne-Ardenne, 51100 Reims, France.
| | - Tatiana Tsoi
- National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
| | - Alexander Karaulov
- Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russia
| | - Igor Nabiev
- Laboratoire de Recherche en Nanosciences, LRN-EA4682, Université de Reims Champagne-Ardenne, 51100 Reims, France. .,National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia.,Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russia
| | - Alyona Sukhanova
- Laboratoire de Recherche en Nanosciences, LRN-EA4682, Université de Reims Champagne-Ardenne, 51100 Reims, France.
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Zadeh Mehrizi T, Shafiee Ardestani M. Application of non-metal nanoparticles, as a novel approach, for improving the stability of blood products: 2011-2021. Prog Biomater 2022; 11:137-161. [PMID: 35536502 PMCID: PMC9085557 DOI: 10.1007/s40204-022-00188-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 04/23/2022] [Indexed: 12/03/2022] Open
Abstract
Despite the importance of the proper quality of blood products for safe transfusion, conventional methods for preparation and their preservation, they lack significant stability. Non-metal nanoparticles with particular features may overcome these challenges. This review study for the first time provided a comprehensive vision of the interaction of non-metal nanoparticles with each blood product (red blood cells, platelets and plasma proteins). The findings of this review on the most effective nanoparticle for improving the stability of RBCs indicate that graphene quantum dots and nanodiamonds show compatibility with RBCs. For increasing the stability of platelet products, silica nanoparticles exhibited a suppressive impact on platelet aggregation. Pristine graphene also shows compatibility with platelets. For better stability of plasma products, graphene oxide was indicated to preserve free human serum albumin from thermal shocks at low ionic strength. For increased stability of Factor VIII, mesoporous silica nanoparticles with large pores exhibit the superb quality of recovered proteins. Furthermore, 3.2 nm quantum dots exhibited anticoagulant effects. As the best promising nanoparticles for immunoglobulin stability, graphene quantum dots showed compatibility with γ-globulins. Overall, this review recommends further research on the mentioned nanoparticles as the most potential candidates for enhancing the stability and storage of blood components.
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Affiliation(s)
- Tahereh Zadeh Mehrizi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran.
| | - Mehdi Shafiee Ardestani
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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Development of an optical immunoassay based on peroxidase-mimicking Prussian blue nanoparticles and a label-free electrochemical immunosensor for accurate and sensitive quantification of milk species adulteration. Mikrochim Acta 2022; 189:209. [PMID: 35501410 DOI: 10.1007/s00604-022-05302-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 03/30/2022] [Indexed: 10/18/2022]
Abstract
In contrast to reported enzyme-based immunoassays, an enzyme-free immunoassay (optical and electrochemical) is presented here for the first time that can be used as point-of-need detection bioplatforms of bovine IgG as goat milk adulterant. In the first format, Prussian blue nanoparticles (PBNPs) were used as antibody catalytic labels in a competitive colorimetric microplate immunoassay. Absorbance measurement was performed photometrically at 450 nm. After in-depth optimization, excellent sensitivity was achieved (0.01% cow/goat volume ratio), which is 100 times lower than the limit allowed by the European legislation (EL) (1% v/v), thanks to the high catalytic activity of PBNPs compared with natural peroxidase. Moreover, the antibody-PBNPs bioconjugates showed excellent stability over 4 weeks (> 94% of the initial response) confirming the successful anchoring of the antibodies to the surface of the PBNPs. On the other hand, a label-free voltammetric immunoassay for the detection of bovine IgG was developed. The sensing principle was based on the hindrance of charge transfer between ferri-ferrocyanide redox couple and the screen-printed gold electrodes modified with bovine IgG antibody. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to characterize the step-by-step modification of the electrode surface. Under optimal conditions, this single-step electrochemical analysis achieved a high sensitivity of 0.1% (cow/goat) when monitoring the ferrocyanide oxidation at + 0.092 V (vs. Ag/AgCl) using differential pulse voltammetry (DPV). The selectivity of the developed immunoassays was evaluated for different species of milk of similar composition, and both immunoassays exhibited a selective response only to bovine IgG. Unlike conventional immunoassays, the developed enzyme-free immunoassays have many attractive features for the detection of milk adulteration, whether they are used in quality control laboratories for routine milk analysis (optical immunoassay) or at on-site checkpoints (electrochemical immunoassay) using wireless electrochemical detectors. The sensors provide high sensitivity (≤ 0.1%), excellent precision (RSD < 6%), low cost (no enzyme is required) and ease of operation, including handling of milk samples.
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Ferreira LF, Giordano GF, Gobbi AL, Piazzetta MHO, Schleder GR, Lima RS. Real-Time and In Situ Monitoring of the Synthesis of Silica Nanoparticles. ACS Sens 2022; 7:1045-1057. [PMID: 35417147 DOI: 10.1021/acssensors.1c02697] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The real-time and in situ monitoring of the synthesis of nanomaterials (NMs) remains a challenging task, which is of pivotal importance by assisting fundamental studies (e.g., synthesis kinetics and colloidal phenomena) and providing optimized quality control. In fact, the lack of reproducibility in the synthesis of NMs is a bottleneck against the translation of nanotechnologies into the market toward daily practice. Here, we address an impedimetric millifluidic sensor with data processing by machine learning (ML) as a sensing platform to monitor silica nanoparticles (SiO2NPs) over a 24 h synthesis from a single measurement. The SiO2NPs were selected as a model NM because of their extensive applications. Impressively, simple ML-fitted descriptors were capable of overcoming interferences derived from SiO2NP adsorption over the signals of polarizable Au interdigitate electrodes to assure the determination of the size and concentration of nanoparticles over synthesis while meeting the trade-off between accuracy and speed/simplicity of computation. The root-mean-square errors were calculated as ∼2.0 nm (size) and 2.6 × 1010 nanoparticles mL-1 (concentration). Further, the robustness of the ML size descriptor was successfully challenged in data obtained along independent syntheses using different devices, with the global average accuracy being 103.7 ± 1.9%. Our work advances the developments required to transform a closed flow system basically encompassing the reactional flask and an impedimetric sensor into a scalable and user-friendly platform to assess the in situ synthesis of SiO2NPs. Since the sensor presents a universal response principle, the method is expected to enable the monitoring of other NMs. Such a platform may help to pave the way for translating "sense-act" systems into practice use in nanotechnology.
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Affiliation(s)
- Larissa F. Ferreira
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo 13083-970, Brazil
- Institute of Chemistry, University of Campinas, Campinas, São Paulo 13083-970, Brazil
| | - Gabriela F. Giordano
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo 13083-970, Brazil
| | - Angelo L. Gobbi
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo 13083-970, Brazil
| | - Maria H. O. Piazzetta
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo 13083-970, Brazil
| | - Gabriel R. Schleder
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Renato S. Lima
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo 13083-970, Brazil
- Institute of Chemistry, University of Campinas, Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo 09210-580, Brazil
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo 13566-590, Brazil
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Picco AS, Mondo GB, Ferreira LF, de Souza EE, Peroni LA, Cardoso MB. Protein corona meets freeze-drying: overcoming the challenges of colloidal stability, toxicity, and opsonin adsorption. NANOSCALE 2021; 13:753-762. [PMID: 33232428 DOI: 10.1039/d0nr06040b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Freeze-drying of nanoparticle suspensions is capable of generating stable nanoformulations with improved storage times and easier transportation. Nonetheless, nanoparticle aggregation is likely induced during freeze-drying, which reduces its redispersibility upon reconstitution and leads to undesirable effects such as non-specific toxicity and impaired efficacy. In this work, bovine serum albumin (BSA) is described as a suitable protectant for silica nanoparticles (SNPs), which result in solid structures with excellent redispersibility and negligible signs of aggregation even when longer storage times are considered. We experimentally demonstrated that massive system aggregation can be prevented when a saturated BSA corona around the nanoparticle is formed before the lyophilization process. Furthermore, the BSA corona is able to suppress non-specific interactions between these nanoparticles and biological systems, as evidenced by the lack of residual cytotoxicity, hemolytic activity and opsonin adsorption. Hence, BSA can be seriously considered for industry as an additive for nanoparticle freeze-drying since it generates solid and redispersible nanoformulations with improved biocompatibility.
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Affiliation(s)
- Agustin S Picco
- Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970, Campinas, Brazil.
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Maria Rahman M, Al Foisal J, Ihara H, Takafuji M. Efficient removal of methylene blue dye from an aqueous solution using silica nanoparticle crosslinked acrylamide hybrid hydrogels. NEW J CHEM 2021. [DOI: 10.1039/d1nj04383h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Silica nanoparticle cross-linked acrylamide polymer hydrogels showed promising adsorption behavior for organic dye removal in a neutral to basic pH range with a rapid adsorption rate, high adsorption capacity and excellent regeneration efficacy.
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Affiliation(s)
- M. Maria Rahman
- Department of Applied Chemistry and Biochemistry, Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan
- Department of Chemistry, Faculty of Science, Jagannath University, Dhaka-1100, Bangladesh
| | - Jannat Al Foisal
- Department of Applied Chemistry and Biochemistry, Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan
| | - Hirotaka Ihara
- Department of Applied Chemistry and Biochemistry, Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan
- Okinawa College, National Institute of Technology, 905 Henoko, Ns, Okinawa, 905-2192, Japan
| | - Makoto Takafuji
- Department of Applied Chemistry and Biochemistry, Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan
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Gubala V, Giovannini G, Kunc F, Monopoli MP, Moore CJ. Dye-doped silica nanoparticles: synthesis, surface chemistry and bioapplications. Cancer Nanotechnol 2020. [DOI: 10.1186/s12645-019-0056-x] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Abstract
Background
Fluorescent silica nanoparticles have been extensively utilised in a broad range of biological applications and are facilitated by their predictable, well-understood, flexible chemistry and apparent biocompatibility. The ability to couple various siloxane precursors with fluorescent dyes and to be subsequently incorporated into silica nanoparticles has made it possible to engineer these fluorophores-doped nanomaterials to specific optical requirements in biological experimentation. Consequently, this class of nanomaterial has been used in applications across immunodiagnostics, drug delivery and human-trial bioimaging in cancer research.
Main body
This review summarises the state-of-the-art of the use of dye-doped silica nanoparticles in bioapplications and firstly accounts for the common nanoparticle synthesis methods, surface modification approaches and different bioconjugation strategies employed to generate biomolecule-coated nanoparticles. The use of dye-doped silica nanoparticles in immunoassays/biosensing, bioimaging and drug delivery is then provided and possible future directions in the field are highlighted. Other non-cancer-related applications involving silica nanoparticles are also briefly discussed. Importantly, the impact of how the protein corona has changed our understanding of NP interactions with biological systems is described, as well as demonstrations of its capacity to be favourably manipulated.
Conclusions
Dye-doped silica nanoparticles have found success in the immunodiagnostics domain and have also shown promise as bioimaging agents in human clinical trials. Their use in cancer delivery has been restricted to murine models, as has been the case for the vast majority of nanomaterials intended for cancer therapy. This is hampered by the need for more human-like disease models and the lack of standardisation towards assessing nanoparticle toxicity. However, developments in the manipulation of the protein corona have improved the understanding of fundamental bio–nano interactions, and will undoubtedly assist in the translation of silica nanoparticles for disease treatment to the clinic.
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14
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Malm AV, Corbett JCW. Improved Dynamic Light Scattering using an adaptive and statistically driven time resolved treatment of correlation data. Sci Rep 2019; 9:13519. [PMID: 31534186 PMCID: PMC6751167 DOI: 10.1038/s41598-019-50077-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 08/27/2019] [Indexed: 11/09/2022] Open
Abstract
Dynamic Light Scattering (DLS) is a ubiquitous and non-invasive measurement for the characterization of nano- and micro-scale particles in dispersion. The sixth power relationship between scattered intensity and particle radius is simultaneously a primary advantage whilst rendering the technique sensitive to unwanted size fractions from unclean lab-ware, dust and aggregated & dynamically aggregating sample, for example. This can make sample preparation iterative, challenging and time consuming and often requires the use of data filtering methods that leave an inaccurate estimate of the steady state size fraction and may provide no knowledge to the user of the presence of the transient fractions. A revolutionary new approach to DLS measurement and data analysis is presented whereby the statistical variance of a series of individually analysed, extremely short sub-measurements is used to classify data as steady-state or transient. Crucially, all sub-measurements are reported, and no data are rejected, providing a precise and accurate measurement of both the steady state and transient size fractions. We demonstrate that this approach deals intrinsically and seamlessly with the transition from a stable dispersion to the partially- and fully-aggregated cases and results in an attendant improvement in DLS precision due to the shorter sub measurement length and the classification process used.
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Affiliation(s)
- Alexander V Malm
- Malvern Panalytical Ltd., Grovewood Rd, Malvern, Worcestershire, WR14 1XZ, UK.
| | - Jason C W Corbett
- Malvern Panalytical Ltd., Grovewood Rd, Malvern, Worcestershire, WR14 1XZ, UK
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15
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Palomba F, Genovese D, Rampazzo E, Zaccheroni N, Prodi L, Morbidelli L. PluS Nanoparticles Loaded with Sorafenib: Synthetic Approach and Their Effects on Endothelial Cells. ACS OMEGA 2019; 4:13962-13971. [PMID: 31497714 PMCID: PMC6714606 DOI: 10.1021/acsomega.9b01699] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 07/18/2019] [Indexed: 05/24/2023]
Abstract
Silica nanostructures are widely investigated for theranostic applications since relatively mild and easy synthetic methods allow the fabrication of multicompartment nanoparticles (NPs) and fine modulation of their properties. Here, we report the optimization of a synthetic strategy leading to brightly fluorescent silica NPs with a high loading ability, up to 45 molecules per NP, of Sorafenib, a small molecule acting as an antiangiogenic drug. We demonstrate that these NPs can efficiently release the drug and they are able to inhibit endothelial cell proliferation and migration and network formation. Their lyophilization can endow them with long shelf stability, whereas, once in solution, they show a much slower release compared to analogous micellar systems. Interestingly, Sorafenib released from Pluronic silica NPs completely prevented endothelial cell responses and postreceptor mitogen-activated protein kinase signaling ignited by vascular endothelial growth factor, one of the major players of tumor angiogenesis. Our results indicate that these theranostic systems represent a promising structure for anticancer applications since NPs alone have no cytotoxic effect on cultured endothelial cells, a cell type to which drugs and exogenous material are always in contact once delivered.
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Affiliation(s)
- Francesco Palomba
- Dipartimento
di Chimica “Giacomo Ciamician”, Alma Mater Studiorum, Università di Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Damiano Genovese
- Dipartimento
di Chimica “Giacomo Ciamician”, Alma Mater Studiorum, Università di Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Enrico Rampazzo
- Dipartimento
di Chimica “Giacomo Ciamician”, Alma Mater Studiorum, Università di Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Nelsi Zaccheroni
- Dipartimento
di Chimica “Giacomo Ciamician”, Alma Mater Studiorum, Università di Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Luca Prodi
- Dipartimento
di Chimica “Giacomo Ciamician”, Alma Mater Studiorum, Università di Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Lucia Morbidelli
- Dipartimento
di Scienze della Vita, Università
di Siena, Via A. Moro
2, 53100 Siena, Italy
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16
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Cheeveewattanagul N, Tien TT, Rijiravanich P, Surareungchai W, Somasundrum M. Photostable methylene blue-loaded silica particles used as label for immunosorbent assay of Salmonella Typhimurium. Biotechnol Appl Biochem 2019; 66:842-849. [PMID: 31228877 DOI: 10.1002/bab.1796] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 06/21/2019] [Indexed: 12/27/2022]
Abstract
Salmonella Typhimurium is a major cause of food poisoning. To solve the limitations of the routine enzyme linked immunosorbent assay such as laborious assay procedure, lack of long-term enzyme stability, and insufficient sensitivity, we provided a non-enzymatic colorimetric immunosorbent assay platform to overcome these problems. The highly photostable redox dye particles was constructed by silica particles (diameter = 598 ± 14.4 nm) loaded with methylene blue (Si-MB) and applied to be a label for immunoassay of S. Typhimurium. The sandwich assay format involved incubation of an analyte in a microplate wells modified with monoclonal anti-Salmonella, followed by exposure to a polyclonal anti-Salmonella/Si-MB bioconjugate and then measurement of absorbance at 598 nm. The platform had an assay time of 20 min, could detect heat-killed Salmonella with a limit of detection of 48 CFU mL-1 , and gave good recoveries in milk. The labels could be stored at 4 °C for 70 days without any deterioration.
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Affiliation(s)
- Nopchulee Cheeveewattanagul
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi (KMUTT), Bangkhuntien Campus, Bangkok, Thailand
| | - Tran Thanh Tien
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi (KMUTT), Bangkhuntien Campus, Bangkok, Thailand.,Department of Veterinary Biosciences, Faculty of Animal Science and Veterinary Medicine, Nong Lam University, Ho Chi Minh City, Vietnam
| | - Patsamon Rijiravanich
- Biosciences and System Biology Team, Biochemical Engineering and System Biology Research Group, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency at KMUTT, Bangkhuntien Campus, Bangkok, Thailand
| | - Werasak Surareungchai
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi (KMUTT), Bangkhuntien Campus, Bangkok, Thailand.,Nanoscience and Nanotechnology Graduate Program, Faculty of Science, King Mongkut's University of Technology Thonburi (KMUTT), Bangkhuntien Campus, Bangkok, Thailand
| | - Mithran Somasundrum
- Biosciences and System Biology Team, Biochemical Engineering and System Biology Research Group, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency at KMUTT, Bangkhuntien Campus, Bangkok, Thailand
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17
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Kunc F, Moore CJ, Sully RE, Hall AJ, Gubala V. Polycarboxylated Dextran as a Multivalent Linker: Synthesis and Target Recognition of the Antibody-Nanoparticle Bioconjugates in PBS and Serum. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4909-4917. [PMID: 30817890 DOI: 10.1021/acs.langmuir.8b03833] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nanoparticles (NPs) functionalized with antibodies on their surface are used in a wide range of research applications. However, the bioconjugation chemistry between the antibodies and the surface of nanoparticles can be very challenging, often accompanied by several undesired effects such as nanoparticle aggregation, antibody denaturation, or poor target recognition of the surface-bound antibodies. Here, we report on a synthesis of fluorescent silica nanoparticle-antibody (NP-Ab) conjugates, in which polycarboxylated dextran is used as the multivalent linker. First, we present a synthetic methodology to prepare polycarboxylated dextrans with molecular weights of 6, 40, and 70 kDa. Second, we used water-soluble, polycarboxylated dextrans as a multivalent spacers/linkers to immobilize antibodies onto fluorescent silica nanoparticles. The prepared NP-Ab conjugates were tested in a direct binding assay format in both phosphate-buffered saline buffer and whole serum to investigate the role of the spacer/linker in the capacity of the NP-Ab to specifically recognize their target in "clean" and also in complex media. We have compared the dextran conjugates with two standards: (a) NP-Ab with antibodies attached on the surface of nanoparticles through the classical physical adsorption method and (b) NP-Ab where an established poly(amidoamine) (PAMAM) dendrimer was used as the linker. Our results showed that the polycarboxylated 6 kDa dextran facilitates antibody immobilization efficiency of nearly 92%. This was directly translated into the improved molecular recognition of the NP-Ab, which was measured by a direct binding assay. The signal-to-noise ratio in buffered solution for the 6 kDa dextran NP-Ab conjugates was 81, nearly 3 times higher than that of PAMAM G4.5 conjugates and 9 times higher than the physically adsorbed NP-Ab sample. In whole serum, the effect of 6 kDa dextran was more hindered due to the formation of protein corona but the signal-to-noise ratio was at least double that of the physically adsorbed NP-Ab conjugates.
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Affiliation(s)
- Filip Kunc
- National Research Council Canada , 100 Sussex Drive , Ottawa , Ontario K1N 0R6 , Canada
| | - Colin J Moore
- Italian Institute of Technology , 30 Via Morego , Genoa 16163 , Italy
| | - Rachel E Sully
- Medway School of Pharmacy , Universities of Greenwich and Kent , Anson Building, Central Avenue , Chatham ME4 4TB , U.K
| | - Andrew J Hall
- Medway School of Pharmacy , Universities of Greenwich and Kent , Anson Building, Central Avenue , Chatham ME4 4TB , U.K
| | - Vladimir Gubala
- Medway School of Pharmacy , Universities of Greenwich and Kent , Anson Building, Central Avenue , Chatham ME4 4TB , U.K
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18
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Silveira RL, Mamián-López MB, Rubim JC, Temperini MLA, Corio P, Santos JJ. Spectroscopic and electrophoresis study of substitution on the surface of gold nanoparticles by different mercaptoalkyl carboxylic acids and bioconjugation with bovine serum albumin. Anal Bioanal Chem 2019; 411:3047-3058. [PMID: 30931504 DOI: 10.1007/s00216-019-01758-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/27/2019] [Accepted: 03/05/2019] [Indexed: 11/24/2022]
Abstract
To develop bioconjugated materials, it is necessary to understand how the various elements present in a conjugate interact with one another. To gain insights into nanoparticle-capping agent-protein interactions, gold nanoparticles (AuNPs) measuring 30 nm in diameter were coated with different molecules bearing a thiol group: 3-mercaptopropionic acid, 6-mercaptohexanoic acid, and 11-mercaptoundecanoic acid. The covalent conjugation of AuNPs to the protein bovine serum albumin (BSA) via a cross-linker reaction with N-hydroxysuccinimide and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide was systematically investigated under different reaction conditions with variation of the concentrations of the mercaptoalkyl carboxylic acid (MA) and BSA. All the products were analyzed by UV-vis spectroscopy, gel electrophoresis, and Raman spectroscopy in every modification step. From analysis of the UV-vis results, it is possible at low concentrations of MA to see strong coupling among AuNPs, observed when they are aggregated by KCl, which does not happen at higher concentration of MA, indicating an AuNP-to-MA ratio of 1:130,000 is best for bioconjugation purposes. Agarose gel electrophoresis, a classic technique for biomolecule characterization, indicated that BSA is capable of altering the mobility of AuNPs when it modifies completely the surface of AuNPs because of its high molecular mass (around 66 kDa). Principal component analysis of surface-enhanced Raman spectroscopy data was successfully used as a chemometric tool to assist the characterization of the nanoparticle modification with linker molecules in the absence and presence of different BSA concentrations, making it possible to clearly evaluate the gradual substitution/modification of AuNPs (1:13,000 < 1:65,000 < 1:130,000 AuNP-to-MA ratio) and the conjugation with BSA, which is homogenous at a concentration of 0.01 g L-1. Graphical abstract.
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Affiliation(s)
- Raisa L Silveira
- University of Sao Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP, 05508-000, Brazil
| | | | - Joel C Rubim
- University of Brasilia, CP 04478, Brasília, DF, 70904-970, Brazil
| | - Marcia L A Temperini
- University of Sao Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP, 05508-000, Brazil
| | - Paola Corio
- University of Sao Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP, 05508-000, Brazil
| | - Jonnatan J Santos
- University of Sao Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP, 05508-000, Brazil.
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19
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Thanasekaran P, Chu CH, Wang SB, Chen KY, Gao HD, Lee MM, Sun SS, Li JP, Chen JY, Chen JK, Chang YH, Lee HM. Lipid-Wrapped Upconversion Nanoconstruct/Photosensitizer Complex for Near-Infrared Light-Mediated Photodynamic Therapy. ACS APPLIED MATERIALS & INTERFACES 2019; 11:84-95. [PMID: 30500151 DOI: 10.1021/acsami.8b07760] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Photodynamic therapy (PDT) is a noninvasive medical technology that has been applied in cancer treatment where it is accessible by direct or endoscope-assisted light irradiation. To lower phototoxicity and increase tissue penetration depth of light, great effort has been focused on developing new sensitizers that can utilize red or near-infrared (NIR) light for the past decades. Lanthanide-doped upconversion nanoparticles (UCNPs) have a unique property to transduce NIR excitation light to UV-vis emission efficiently. This property allows some low-cost, low-toxicity, commercially available visible light sensitizers, which originally are not suitable for deep tissue PDT, to be activated by NIR light and have been reported extensively in the past few years. However, some issues still remain in the UCNP-assisted PDT platform such as colloidal stability, photosensitizer loading efficiency, and accessibility for targeting ligand installation, despite some advances in this direction. In this study, we designed a facile phospholipid-coated UCNP method to generate a highly colloidally stable nanoplatform that can effectively load a series of visible light sensitizers in the lipid layers. The loading stability and singlet oxygen generation efficiency of this sensitizer-loaded lipid-coated UCNP platform were investigated. We also have demonstrated the enhanced cellular uptake efficiency and tumor cell selectivity of this lipid-coated UCNP platform by changing the lipid dopant. On the basis of the evidence of our results, the lipid-complexed UCNP nanoparticles could serve as an effective photosensitizer carrier for NIR light-mediated PDT.
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Affiliation(s)
| | - Chih-Hang Chu
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Sheng-Bo Wang
- Department of Materials and Mineral Resources Engineering, Institute of Mineral Resources Engineering , National Taipei University of Technology , Taipei 10608 , Taiwan
| | - Kuan-Yu Chen
- Department of Materials and Mineral Resources Engineering, Institute of Mineral Resources Engineering , National Taipei University of Technology , Taipei 10608 , Taiwan
| | - Hua-De Gao
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
- Department of Chemistry , National Taiwan University , Taipei 10617 , Taiwan
| | - Mandy M Lee
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Shih-Sheng Sun
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Jui-Ping Li
- Institute of Biomedical Engineering and Nanomedicine , National Health Research Institutes , Miaoli 350 , Taiwan
| | - Jiun-Yu Chen
- Institute of Biomedical Engineering and Nanomedicine , National Health Research Institutes , Miaoli 350 , Taiwan
| | - Jen-Kun Chen
- Institute of Biomedical Engineering and Nanomedicine , National Health Research Institutes , Miaoli 350 , Taiwan
| | - Yu-Hsu Chang
- Department of Materials and Mineral Resources Engineering, Institute of Mineral Resources Engineering , National Taipei University of Technology , Taipei 10608 , Taiwan
| | - Hsien-Ming Lee
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
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20
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Giovaninni G, Moore CJ, Hall AJ, Byrne HJ, Gubala V. pH-Dependent silica nanoparticle dissolution and cargo release. Colloids Surf B Biointerfaces 2018; 169:242-248. [DOI: 10.1016/j.colsurfb.2018.04.064] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 04/23/2018] [Accepted: 04/29/2018] [Indexed: 12/20/2022]
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21
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Gubala V, Johnston LJ, Krug HF, Moore CJ, Ober CK, Schwenk M, Vert M. Engineered nanomaterials and human health: Part 2. Applications and nanotoxicology (IUPAC Technical Report). PURE APPL CHEM 2018. [DOI: 10.1515/pac-2017-0102] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
AbstractResearch on engineered nanomaterials (ENM) has progressed rapidly from the very early stages of studying their unique, size-dependent physicochemical properties and commercial exploration to the development of products that influence our everyday lives. We have previously reviewed various methods for synthesis, surface functionalization, and analytical characterization of ENM in a publication titled ‘Engineered Nanomaterials: Preparation, Functionalization and Characterization’. In this second, inter-linked document, we first provide an overview of important applications of ENM in products relevant to human healthcare and consumer goods, such as food, textiles, and cosmetics. We then highlight the challenges for the design and development of new ENM for bio-applications, particularly in the rapidly developing nanomedicine sector. The second part of this document is dedicated to nanotoxicology studies of ENM in consumer products. We describe the various biological targets where toxicity may occur, summarize the four nanotoxicology principles, and discuss the need for careful consideration of the biodistribution, degradation, and elimination routes of nanosized materials before they can be safely used. Finally, we review expert opinions on the risk, regulation, and ethical aspects of using engineered nanomaterials in applications that may have direct or indirect impact on human health or our environment.
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22
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Engineered nanomaterials and human health: Part 1. Preparation, functionalization and characterization (IUPAC Technical Report). PURE APPL CHEM 2018. [DOI: 10.1515/pac-2017-0101] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Abstract
Nanotechnology is a rapidly evolving field, as evidenced by the large number of publications on the synthesis, characterization, and biological/environmental effects of new nano-sized materials. The unique, size-dependent properties of nanomaterials have been exploited in a diverse range of applications and in many examples of nano-enabled consumer products. In this account we focus on Engineered Nanomaterials (ENM), a class of deliberately designed and constructed nano-sized materials. Due to the large volume of publications, we separated the preparation and characterisation of ENM from applications and toxicity into two interconnected documents. Part 1 summarizes nanomaterial terminology and provides an overview of the best practices for their preparation, surface functionalization, and analytical characterization. Part 2 (this issue, Pure Appl. Chem. 2018; 90(8): 1325–1356) focuses on ENM that are used in products that are expected to come in close contact with consumers. It reviews nanomaterials used in therapeutics, diagnostics, and consumer goods and summarizes current nanotoxicology challenges and the current state of nanomaterial regulation, providing insight on the growing public debate on whether the environmental and social costs of nanotechnology outweigh its potential benefits.
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23
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Byoun W, Jung S, Tran NM, Yoo H. Synthesis and Application of Dendritic Fibrous Nanosilica/Gold Hybrid Nanomaterials. ChemistryOpen 2018; 7:349-355. [PMID: 29872610 PMCID: PMC5974554 DOI: 10.1002/open.201800040] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Indexed: 12/17/2022] Open
Abstract
Morphologically unique silica nanoparticles can be used as effective templates to prepare silica-metal hybrid nanomaterials, which are highly applicable in a variety of areas. Mesoporous silica nanoparticles, which have high surface areas and an abundance of pores, can be used to synthesize mesoporous silica core-metal shell nanostructures with catalytically active sites. In this work, dendritic fibrous nanosilica (DFNS) with a high surface area is successfully employed as a template to synthesize DFNS/Au hybrid nanomaterials. Au nanodots are initially synthesized through the selective reduction of Au ions on the surface of the DFNS after surface modification to form DFNS/Au dots. A seed-mediated growth method is used to controllably grow Au nanoparticles on the DFNS/Au dots to generate DFNS core-Au nanoparticles shell nanohybrids (DFNS/Au NPs) and DFNS core-Au layer shell nanohybrids (DFNS/Au layers). The catalytic activities of DFNS/Au NPs and DFNS/Au layers in the 4-nitrophenol reduction reaction are compared.
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Affiliation(s)
- Wongyun Byoun
- Department of ChemistryHallym UniversityChuncheon, Gangwon-do24252Republic of Korea
| | - Soeun Jung
- Department of ChemistryHallym UniversityChuncheon, Gangwon-do24252Republic of Korea
| | - Ngoc Minh Tran
- Department of ChemistryHallym UniversityChuncheon, Gangwon-do24252Republic of Korea
| | - Hyojong Yoo
- Department of ChemistryHallym UniversityChuncheon, Gangwon-do24252Republic of Korea
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24
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Giovannini G, Warncke P, Fischer D, Stranik O, Hall AJ, Gubala V. Improving colloidal stability of silica nanoparticles when stored in responsive gel: application and toxicity study. Nanotoxicology 2018; 12:407-422. [DOI: 10.1080/17435390.2018.1457729] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
| | - Paul Warncke
- Department of Pharmaceutical Technology, Friedrich-Schiller-University Jena, Institute of Pharmacy, Jena, Germany
| | - Dagmar Fischer
- Department of Pharmaceutical Technology, Friedrich-Schiller-University Jena, Institute of Pharmacy, Jena, Germany
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25
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Picco AS, Ferreira LF, Liberato MS, Mondo GB, Cardoso MB. Freeze-drying of silica nanoparticles: redispersibility toward nanomedicine applications. Nanomedicine (Lond) 2018; 13:179-190. [DOI: 10.2217/nnm-2017-0280] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To study freeze-drying of silica nanoparticles (SiO2NPs) in order to find suitable conditions to produce lyophilized powders with no aggregation after resuspension and storage. Methods: SiO2NPs were synthesized using a Stöber-based procedure, and characterized by scanning electron microscopy, dynamic light scattering and nitrogen adsorption/desorption isotherms. SiO2NPs hydrodynamic diameters were compared prior and after freeze-drying in the presence/absence of carbohydrate protectants. Results: Glucose was found to be the most suitable protectant against the detrimental effects of lyophilization. The minimum concentration of carbohydrate required to effectively protect SiO2NPs from aggregation during freeze-drying is influenced by the nanoparticle's size and texture. Negligible aggregation was observed during storage. Conclusion: Carbohydrates can be used during SiO2NPs freeze-drying process to obtain redispersable solids that maintain original sizes without residual aggregation.
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Affiliation(s)
- Agustin S Picco
- Laboratório Nacional de Nanotecnologia (LNNano)/Laboratório Nacionalde Luz Síncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais(CNPEM), CEP 13083-970, Caixa Postal 6192, Campinas, SP, Brasil
| | - Larissa F Ferreira
- Laboratório Nacional de Nanotecnologia (LNNano)/Laboratório Nacionalde Luz Síncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais(CNPEM), CEP 13083-970, Caixa Postal 6192, Campinas, SP, Brasil
- Programa de Pós-Graduação em Biotecnociência, Universidade Federal do ABC, CEP 09210-580, Santo André, Brasil
| | - Michelle S Liberato
- Laboratório Nacional de Nanotecnologia (LNNano)/Laboratório Nacionalde Luz Síncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais(CNPEM), CEP 13083-970, Caixa Postal 6192, Campinas, SP, Brasil
| | - Gabriela B Mondo
- Laboratório Nacional de Nanotecnologia (LNNano)/Laboratório Nacionalde Luz Síncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais(CNPEM), CEP 13083-970, Caixa Postal 6192, Campinas, SP, Brasil
- Instituto de Química (IQ), Universidade Estadualde Campinas [GBM1], CEP 13083-970, Caixa Postal 6154, Campinas, SP, Brasil
| | - Mateus B Cardoso
- Laboratório Nacional de Nanotecnologia (LNNano)/Laboratório Nacionalde Luz Síncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais(CNPEM), CEP 13083-970, Caixa Postal 6192, Campinas, SP, Brasil
- Programa de Pós-Graduação em Biotecnociência, Universidade Federal do ABC, CEP 09210-580, Santo André, Brasil
- Instituto de Química (IQ), Universidade Estadualde Campinas [GBM1], CEP 13083-970, Caixa Postal 6154, Campinas, SP, Brasil
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26
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Kim KR, Han YD, Chun HJ, Lee KW, Hong DK, Lee KN, C Yoon H. Encapsulation-Stabilized, Europium Containing Nanoparticle as a Probe for Time-Resolved luminescence Detection of Cardiac Troponin I. BIOSENSORS 2017; 7:E48. [PMID: 29057816 PMCID: PMC5746771 DOI: 10.3390/bios7040048] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 10/07/2017] [Accepted: 10/16/2017] [Indexed: 12/17/2022]
Abstract
The use of a robust optical signaling probe with a high signal-to-noise ratio is important in the development of immunoassays. Lanthanide chelates are a promising material for this purpose, which provide time-resolved luminescence (TRL) due to their large Stokes shift and long luminescence lifetime. From this, they have attracted considerable interest in the in vitro diagnostics field. However, the direct use of lanthanide chelates is limited because their luminescent signal can be easily affected by various quenchers. To overcome this drawback, strategies that rely on the entrapment of lanthanide chelates inside nanoparticles, thereby enabling the protection of the lanthanide chelate from water, have been reported. However, the poor stability of the lanthanide-entrapped nanoparticles results in a significant fluctuation in TRL signal intensity, and this still remains a challenging issue. To address this, we have developed a Lanthanide chelate-Encapsulated Silica Nano Particle (LESNP) as a new immunosensing probe. In this approach, the lanthanide chelate is covalently crosslinked within the silane monomer during the silica nanoparticle formation. The resulting LESNP is physically stable and retains TRL properties of the parent lanthanide chelate. Using the probe, a highly sensitive, sandwich-based TRL immunoassay for the cardiac troponin I was conducted, exhibiting a limit of detection of 48 pg/mL. On the basis of the features of the LESNP such as TRL signaling capability, stability, and the ease of biofunctionalization, we expect that the LESNP can be widely applied in the development of TRL-based immunosensing.
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Affiliation(s)
- Ka Ram Kim
- Department of Molecular Science & Technology, Ajou University, Suwon 16499, Korea.
| | - Yong Duk Han
- Department of Molecular Science & Technology, Ajou University, Suwon 16499, Korea.
| | - Hyeong Jin Chun
- Department of Molecular Science & Technology, Ajou University, Suwon 16499, Korea.
| | - Kyung Won Lee
- Department of Molecular Science & Technology, Ajou University, Suwon 16499, Korea.
| | - Dong-Ki Hong
- Korea Electronics Technology Institute, Seongnam 13509, Korea.
| | - Kook-Nyung Lee
- Korea Electronics Technology Institute, Seongnam 13509, Korea.
| | - Hyun C Yoon
- Department of Molecular Science & Technology, Ajou University, Suwon 16499, Korea.
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Park J, Porter MD, Granger MC. Colloidally Assembled Zinc Ferrite Magnetic Beads: Superparamagnetic Labels with High Magnetic Moments for MR Sensors. ACS APPLIED MATERIALS & INTERFACES 2017; 9:19569-19577. [PMID: 28508632 DOI: 10.1021/acsami.7b03182] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Magnetic particles are widely used as labels in magnetoresistive sensors. To use magnetic particles as labels, several important characteristics should be considered, such as superparamagnetism, a high magnetic moment per particle (m), facile surface functionalization and biomolecule immobilization, colloidal stability, and analyte specificity. In this paper, we describe the preparation of magnetic labels with a high m, using colloidal assemblies of superparamagnetic zinc ferrite nanoparticles (ZFNPs, ∼9 nm). Also, several properties of these particles are compared with those of commercially available magnetic beads, Dynabeads and TurboBeads. The colloidally assembled zinc ferrite magnetic beads (ZFMBs, ∼160 nm) were synthesized by assembling ZFNPs via an emulsion-based assembly approach. While retaining superparamagnetism at room temperature, the m of ZFMBs is ∼4000× higher than that of the constituent ZFNPs. Surface functionalization with a layer of polyacrylic acid stabilized the ZFMBs in aqueous solution and enabled conjugation with streptavidin via carbodiimide linking chemistry. The streptavidinated ZFMBs can be suspended in aqueous buffer for ≥24 h, whereas 1.05 μm Dynabeads and 30 nm TurboBeads undergo ballistic deposition and instantaneous aggregation in solution, respectively. Finally, the streptavidinated ZFMBs were employed as labels in an immunoassay for the detection of osteopontin, a potential pancreatic cancer marker, proving superior to the commercial particles in terms of limit of detection and dynamic range. We expect that the work presented in this article can be extended to other biological applications, especially where superparamagnetic particles with a high m and colloidal stability are needed.
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Affiliation(s)
- Jooneon Park
- Department of Chemical Engineering, ‡Department of Chemistry, §Department of Surgery, School of Medicine, and ∥Nano Institute of Utah, University of Utah , Salt Lake City 84112, United States
| | - Marc D Porter
- Department of Chemical Engineering, ‡Department of Chemistry, §Department of Surgery, School of Medicine, and ∥Nano Institute of Utah, University of Utah , Salt Lake City 84112, United States
| | - Michael C Granger
- Department of Chemical Engineering, ‡Department of Chemistry, §Department of Surgery, School of Medicine, and ∥Nano Institute of Utah, University of Utah , Salt Lake City 84112, United States
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Surface engineering of poly(methylmethacrylate): Effects on fluorescence immunoassay. Biointerphases 2017; 12:02C415. [PMID: 28587470 DOI: 10.1116/1.4984010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The authors present surface engineering modifications through chemistry of poly(methylmethacrylate) (PMMA) that have dramatic effects on the result of surface-bound fluorescence immunoassays, both for specific and nonspecific signals. The authors deduce the most important effect to be clustering of antibodies on the surface leading to significant self-quenching. Secondary effects are attributable to the formation of sparse multilayers of antibody. The authors compare PMMA as an antibody support surface with ultraviolet-ozone oxidized PMMA and also to substrates that were, after the oxidation, surface modified by a four-unit poly(ethyleneglycol) carboxylic acid (PEG4), a branched tricarboxylic acid, and a series of carboxylic acid-terminated dendrimers, from generation 1.5 to 5.5. Fluorescence immunoassay and neutron reflectometry were used to compare the apparent antibody surface loading, antigen binding and nonspecific binding on these various surfaces using anti-human IgG as a model antibody, chemically coupled to the surface by amide formation. Simple physical adsorption of the antibody on PMMA resulted in a thick antibody multilayer with small antigen binding capacity. On the carboxylated surfaces, with chemical coupling, a simple monolayer was formed. The authors deduce that antibody clustering was driven by conformational inflexibility and high carboxylate density. The PEG4-modified surface was the most conformationally flexible. The dendrimer-modified interfaces showed a collapse and densification. In fluorescence immunoassay, the optimal combination of high specific and low nonspecific fluorescence signal was found for the G3.5 dendrimer.
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Functional fusion proteins and prevention of electrode fouling for a sensitive electrochemical immunosensor. Anal Chim Acta 2017; 967:70-77. [DOI: 10.1016/j.aca.2017.02.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/24/2017] [Accepted: 02/27/2017] [Indexed: 01/09/2023]
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Moore CJ, Giovannini G, Kunc F, Hall AJ, Gubala V. ‘Overloading’ fluorescent silica nanoparticles with dyes to improve biosensor performance. J Mater Chem B 2017. [DOI: 10.1039/c7tb01284e] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Using dye-doped silica nanoparticles (DSNP) as reporter probes, we describe a simple method of enhancing fluorescent signal and the extension of the detectable target concentration range in a proof-of-concept ‘dissolution immunoassay’.
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Affiliation(s)
- Colin J. Moore
- Medway School of Pharmacy
- University of Kent
- Chatham Maritime
- Kent
- UK
| | | | - Filip Kunc
- Medway School of Pharmacy
- University of Kent
- Chatham Maritime
- Kent
- UK
| | - Andrew J. Hall
- Medway School of Pharmacy
- University of Kent
- Chatham Maritime
- Kent
- UK
| | - Vladimir Gubala
- Medway School of Pharmacy
- University of Kent
- Chatham Maritime
- Kent
- UK
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Giovannini G, Kunc F, Piras CC, Stranik O, Edwards AA, Hall AJ, Gubala V. Stabilizing silica nanoparticles in hydrogels: impact on storage and polydispersity. RSC Adv 2017. [DOI: 10.1039/c7ra02427d] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
For successful nanomedicine, it is important that the unique, size-dependent physico-chemical properties of the nanomaterial remain predictably constant during both the storage and the manipulation of the material.
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Affiliation(s)
| | - Filip Kunc
- Medway School of Pharmacy
- University of Kent
- Chatham
- UK
| | | | - Ondrej Stranik
- The Leibniz Institute of Photonic Technology (IPHT)
- 07745 Jena
- Germany
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Brahmkhatri VP, Chandra K, Dubey A, Atreya HS. An ultrastable conjugate of silver nanoparticles and protein formed through weak interactions. NANOSCALE 2015; 7:12921-12931. [PMID: 26166696 DOI: 10.1039/c5nr03047a] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In recent years, silver nanoparticles (AgNPs) have attracted significant attention owing to their unique physicochemical, optical, conductive and antimicrobial properties. One of the properties of AgNPs which is crucial for all applications is their stability. In the present study we unravel a mechanism through which silver nanoparticles are rendered ultrastable in an aqueous solution in complex with the protein ubiquitin (Ubq). This involves a dynamic and reversible association and dissociation of ubiquitin from the surface of AgNP. The exchange occurs at a rate much greater than 25 s(-1) implying a residence time of <40 ms for the protein. The AgNP-Ubq complex remains stable for months due to steric stabilization over a wide pH range compared to unconjugated AgNPs. NMR studies reveal that the protein molecules bind reversibly to AgNP with an approximate dissociation constant of 55 μM and undergo fast exchange. At pH > 4 the positively charged surface of the protein comes in contact with the citrate capped AgNP surface. Further, NMR relaxation-based experiments suggest that in addition to the dynamic exchange, a conformational rearrangement of the protein takes place upon binding to AgNP. The ultrastability of the AgNP-Ubq complex was found to be useful for its anti-microbial activity, which allowed the recycling of this complex multiple times without the loss of stability. Altogether, the study provides new insights into the mechanism of protein-silver nanoparticle interactions and opens up new avenues for its application in a wide range of systems.
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