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Aboelsoued D, Toaleb NI, Ibrahim S, Ibrahim S. In vitro and ex vivo protoscolicidal effect of poly(amidoamine) nanoemulsion against Echinococcus granulosus. Sci Rep 2024; 14:11957. [PMID: 38796499 PMCID: PMC11127951 DOI: 10.1038/s41598-024-62015-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/13/2024] [Indexed: 05/28/2024] Open
Abstract
Hydatidosis causes a serious health hazard to humans and animals leading to significant economic and veterinary and public health concern worldwide. The present study aimed to evaluate the in vitro and ex vivo protoscolicidal effects of synthesized poly(amidoamine), PAMAM, nanoemulsion. In this study, PAMAM was characterized through dynamic light scattering technique to investigate the particle size and zeta potential of nanoemulsified polymer. For the in vitro and ex vivo assays, we used eosin dye exclusion test and scanning electron microscope (SEM) to evaluate the effects of the prepared and characterized PAMAM nanoemulsion against protoscoleces from Echinococcus granulosus sensu lato G6 (GenBank: OQ443068.1) isolated from livers of naturally infected camels. Various concentrations (0.5, 1, 1.5 and 2 mg/mL) of PAMAM nanoemulsion at different exposure times (5, 10, 20 and 30 min) were tested against protoscolices. Our findings showed that PAMAM nanoemulsion had considerable concentration- and time-dependent protoscolicidal effect at both in vitro and ex vivo experiments. Regarding in vitro assay, PAMAM nanoemulsion had a potent protoscolicidal effect when compared with the control group with a highest protoscolicidal activity observed at the concentration of 2 mg/mL at all exposure times, such that 100% of protoscolices were killed after 20 min of exposure. Also, the mortality of protoscolices was 100% after 30 min of exposure to 1 and 1.5 mg/mL of PAMAM nanoemulsion, in vitro. Concerning ex vivo assay PAMAM nanoemulsion recorded the highest mortality rates at the concentration of 2 mg/mL (55, 99.4 and 100% at 10, 20, 30 min, respectively). Ultrastructure examination of examined protoscolices after 20 min of exposure to PAMAM nanoemulsion showed a complete loss of rostellar hooks, disruption of suckers with disorganization of hooks with partial or complete loss of them, and damage of protoscolices tegument with loss of their integrity in the form of holes and contraction of the soma region were observed in 1.5 and 2 mg/mL of PAMAM, in vitro and ex vivo, showing more damage in the in vitro conditions. It can be concluded that PAMAM nanoemulsion is a promising protoscolicidal agent offering a high protoscolicidal effect at a short exposure time. Further in vivo studies and preclinical animal trials are required to evaluate its efficacy and clinical applications against hydatid cysts.
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Affiliation(s)
- Dina Aboelsoued
- Department of Parasitology and Animal Diseases, Veterinary Research Institute, National Research Centre, Dokki, Giza, Egypt.
| | - Nagwa I Toaleb
- Department of Parasitology and Animal Diseases, Veterinary Research Institute, National Research Centre, Dokki, Giza, Egypt
| | - Sally Ibrahim
- Department of Animal Reproduction and AI, Veterinary Research Institute, National Research Centre, El Buhouth Street, Dokki, Giza, Egypt
| | - Saber Ibrahim
- Packaging Materials Department, National Research Centre, Dokki, Giza, 12622, Egypt
- Nanomaterials Investigation Lab., Central Laboratory Network, National Research Centre, Dokki, Giza, 12622, Egypt
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2
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Feng J, Cao H, Xiang Y, Deng C, Li Y. An integrated methodology for quality assessment of therapeutic antibodies with potential long circulation half-life in harvested cell culture fluid using FcRn immobilized hydrophilic magnetic graphene. Talanta 2024; 272:125781. [PMID: 38359719 DOI: 10.1016/j.talanta.2024.125781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/02/2024] [Accepted: 02/10/2024] [Indexed: 02/17/2024]
Abstract
Designing modified therapeutic antibodies with enhanced FcRn-binding affinity holds promise in the extension of circulation half-lives and potential refinement of pharmacokinetics. During the development of these new-generation therapeutic antibodies, FcRn binding affinity of IgGs is emphasized and monitored as a critical quality attribute (CQA), alongside other critical assessments including titer and aggregation level. However, the traditional workflow for assessing the overall quality of expressed IgGs in harvested cell culture fluid (HCCF) is blamed to be cumbersome and time-consuming. This study presents an integrated methodology for the rapid quality assessment of IgGs in HCCF by selectively extracting IgGs with favorable high FcRn affinity for subsequent analysis using size exclusion chromatography (SEC). The approach utilizes innovative adsorbents known as FcRn immobilized hydrophilic magnetic graphene (MG@PDA@PAMAM-FcRn) in a magnetic solid-phase extraction (MSPE) process. To simulate the in vivo binding dynamics, MSPE binding and dissociation was performed at pH 6.0 and 7.4, respectively. The composite have demonstrated enhanced extraction efficiency and impurity removal ability in comparison to commercially available magnetic beads. The SEC monomer peak area value provides the output of this method, the ranking of which enabled the facile identification of superior HCCF samples with high overall quality of IgG. Optimization of MSPE parameters was performed, and the method was validated for specificity, precision, sensitivity, and accuracy. The proposed method exhibited an analytical time of 0.6 h, which is 7-22 times shortened in comparison to the conventional workflow.
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Affiliation(s)
- Jianan Feng
- Pharmaceutical Analysis Department, School of Pharmacy and MOE Innovative Center for New Drug Development of Immune Inflammatory Diseases, Fudan University, Shanghai, 201203, China
| | - Hao Cao
- Pharmaceutical Analysis Department, School of Pharmacy and MOE Innovative Center for New Drug Development of Immune Inflammatory Diseases, Fudan University, Shanghai, 201203, China
| | - Yangjiayi Xiang
- Pharmaceutical Analysis Department, School of Pharmacy and MOE Innovative Center for New Drug Development of Immune Inflammatory Diseases, Fudan University, Shanghai, 201203, China
| | - Chunhui Deng
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200433, China
| | - Yan Li
- Pharmaceutical Analysis Department, School of Pharmacy and MOE Innovative Center for New Drug Development of Immune Inflammatory Diseases, Fudan University, Shanghai, 201203, China; Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China.
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Jiang J, Luo L, Ying N, Wu S, Ji J, Su H, Li X, Zeng D. Electrochemical biosensor based on PAMAM functionalized MXene nanoplatform for detection of folate receptor. Bioelectrochemistry 2024; 156:108627. [PMID: 38142545 DOI: 10.1016/j.bioelechem.2023.108627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/23/2023] [Accepted: 12/11/2023] [Indexed: 12/26/2023]
Abstract
The level of folate receptor (FR) has become one of the independent factors for measuring human tumor diseases. The precise quantification of FR is helpful for the early diagnosis and subsequent treatment of tumors. The modification of electrodes is a key issue in ensuring and enhancing the electrochemical biosensing ability. In this study, we in-situ synthesized a nanocomposite material with excellent conductivity and stability by grafting first-generation poly(amidoamine) dendrimers onto the MXene (Ti3C2TX) as the immobilized matrix (PAMAM@MXene). An electrochemical sensor was developed for FR monitor by loading the PAMAM@MXene on screen-printed carbon electrodes (SPCEs). Scanning electron microscopy (SEM) supported the effective synthesis of PAMAM@MXene. Under optimal conditions, the prepared sensor achieved the quantification of FR with a wide range of concentrations from 10 ng/mL to 1000 ng/mL with a detection limit (LOD) of 5.6 ng/mL. It also exhibited satisfactory selectivity, reproducibility, and stability, which provided the possibility for expanding new pathways in the detection of clinical FR.
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Affiliation(s)
- Jiayi Jiang
- University of Shanghai for Science and Technology, Shanghai 200093, China; Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Linghuan Luo
- University of Shanghai for Science and Technology, Shanghai 200093, China; Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Na Ying
- Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Shu Wu
- University of Shanghai for Science and Technology, Shanghai 200093, China; Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Jun Ji
- University of Shanghai for Science and Technology, Shanghai 200093, China; Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Haoyuan Su
- University of Shanghai for Science and Technology, Shanghai 200093, China; Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Xiaoou Li
- Shanghai University of Medicine & Health Sciences, Shanghai 201318, China.
| | - Dongdong Zeng
- Shanghai University of Medicine & Health Sciences, Shanghai 201318, China.
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4
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Li S, Yang H, Geng M, Do H, Peng C. Molecular-Level Anion and Li + Co-Regulation by Amphoteric Polymer Separator for High-Rate Stable Lithium Metal Anode. NANO LETTERS 2024; 24:486-492. [PMID: 38147568 DOI: 10.1021/acs.nanolett.3c04333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Regulating ion transport is a prevailing strategy to suppress lithium dendrite growth, in which the distribution of ion regulatory sites plays an important role. Here a hyperbranched polyamidoamine (HBPA) grafted polyethylene (PE) composite separator (HBPA-g-PE) is reported. The densely and uniformly distributed positive -NH2 and negative -CHNO- groups efficiently restrict the anion migration and promote Li+ transport at the surface of the lithium metal anode. The obtained Li foil symmetric cell delivers a stable cycle performance with a low-voltage hysteresis of 130 mV for over 1500 h (3000 cycles) at an ultrahigh current density of 20 mA cm-2 and a practical areal capacity of 5 mAh cm-2. Moreover, HBPA-g-PE separator enables a practical lithium-sulfur battery to achieve over 200-cycle stable performance with initial and retained capacity of 700 and 455 mAh g-1, at a high sulfur loading of 4 mg cm-2 and a low electrolyte content/sulfur loading ratio of 8 μL mg-1.
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Affiliation(s)
- Shizhen Li
- School of Resource and Environmental Sciences, Wuhan University, 299 Bayi Road, Wuhan 430072, PR China
| | - Hangqi Yang
- School of Resource and Environmental Sciences, Wuhan University, 299 Bayi Road, Wuhan 430072, PR China
| | - Mengzi Geng
- School of Resource and Environmental Sciences, Wuhan University, 299 Bayi Road, Wuhan 430072, PR China
| | - Hainam Do
- Key Laboratory for Carbonaceous Waste Processing and Process Intensification Research of Zhejiang Province, University of Nottingham Ningbo China, Ningbo 315100, PR China
| | - Chuang Peng
- School of Resource and Environmental Sciences, Wuhan University, 299 Bayi Road, Wuhan 430072, PR China
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Domingues C, Jarak I, Veiga F, Dourado M, Figueiras A. Pediatric Drug Development: Reviewing Challenges and Opportunities by Tracking Innovative Therapies. Pharmaceutics 2023; 15:2431. [PMID: 37896191 PMCID: PMC10610377 DOI: 10.3390/pharmaceutics15102431] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/16/2023] [Accepted: 09/25/2023] [Indexed: 10/29/2023] Open
Abstract
The paradigm of pediatric drug development has been evolving in a "carrot-and-stick"-based tactic to address population-specific issues. However, the off-label prescription of adult medicines to pediatric patients remains a feature of clinical practice, which may compromise the age-appropriate evaluation of treatments. Therefore, the United States and the European Pediatric Formulation Initiative have recommended applying nanotechnology-based delivery systems to tackle some of these challenges, particularly applying inorganic, polymeric, and lipid-based nanoparticles. Connected with these, advanced therapy medicinal products (ATMPs) have also been highlighted, with optimistic perspectives for the pediatric population. Despite the results achieved using these innovative therapies, a workforce that congregates pediatric patients and/or caregivers, healthcare stakeholders, drug developers, and physicians continues to be of utmost relevance to promote standardized guidelines for pediatric drug development, enabling a fast lab-to-clinical translation. Therefore, taking into consideration the significance of this topic, this work aims to compile the current landscape of pediatric drug development by (1) outlining the historic regulatory panorama, (2) summarizing the challenges in the development of pediatric drug formulation, and (3) delineating the advantages/disadvantages of using innovative approaches, such as nanomedicines and ATMPs in pediatrics. Moreover, some attention will be given to the role of pharmaceutical technologists and developers in conceiving pediatric medicines.
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Affiliation(s)
- Cátia Domingues
- Univ Coimbra, Laboratory of Drug Development and Technologies, Faculty of Pharmacy, 3000-548 Coimbra, Portugal; (C.D.); (I.J.); (F.V.)
- LAQV-REQUIMTE, Laboratory of Drug Development and Technologies, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
- Univ Coimbra, Institute for Clinical and Biomedical Research (iCBR) Area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, 3000-548 Coimbra, Portugal;
| | - Ivana Jarak
- Univ Coimbra, Laboratory of Drug Development and Technologies, Faculty of Pharmacy, 3000-548 Coimbra, Portugal; (C.D.); (I.J.); (F.V.)
- Institute for Health Research and Innovation (i3s), University of Porto, 4200-135 Porto, Portugal
| | - Francisco Veiga
- Univ Coimbra, Laboratory of Drug Development and Technologies, Faculty of Pharmacy, 3000-548 Coimbra, Portugal; (C.D.); (I.J.); (F.V.)
- LAQV-REQUIMTE, Laboratory of Drug Development and Technologies, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Marília Dourado
- Univ Coimbra, Institute for Clinical and Biomedical Research (iCBR) Area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, 3000-548 Coimbra, Portugal;
- Univ Coimbra, Center for Health Studies and Research of the University of Coimbra (CEISUC), Faculty of Medicine, 3000-548 Coimbra, Portugal
- Univ Coimbra, Center for Studies and Development of Continuous and Palliative Care (CEDCCP), Faculty of Medicine, 3000-548 Coimbra, Portugal
| | - Ana Figueiras
- Univ Coimbra, Laboratory of Drug Development and Technologies, Faculty of Pharmacy, 3000-548 Coimbra, Portugal; (C.D.); (I.J.); (F.V.)
- LAQV-REQUIMTE, Laboratory of Drug Development and Technologies, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
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6
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Yasir AT, Benamor A, Hawari AH, Mahmoudi E. Poly (amido amine) dendrimer based membranes for wastewater treatment – A critical review. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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7
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Windell DL, Mourabit S, Moger J, Owen SF, Winter MJ, Tyler CR. The influence of size and surface chemistry on the bioavailability, tissue distribution and toxicity of gold nanoparticles in zebrafish (Danio rerio). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 260:115019. [PMID: 37269610 DOI: 10.1016/j.ecoenv.2023.115019] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/05/2023] [Accepted: 05/14/2023] [Indexed: 06/05/2023]
Abstract
Gold nanoparticles (AuNPs) are widely used in biomedicine and their specific properties including, size, geometrics, and surface coating, will affect their fate and behaviour in biological systems. These properties are well studied for their intended biological targets, but there is a lack of understanding on the mechanisms by which AuNPs interact in non-target organisms when they enter the environment. We investigated the effects of size and surface chemistry of AuNPs on their bioavailability, tissue distribution and potential toxicity using zebrafish (Danio rerio) as an experimental model. Larval zebrafish were exposed to fluorescently tagged AuNPs of different sizes (10-100 nm) and surface modifications (TNFα, NHS/PAMAM and PEG), and uptake, tissue distribution and depuration rates were measured using selective-plane illumination microscopy (SPIM). The gut and pronephric tubules were found to contain detectable levels of AuNPs, and the concentration-dependent accumulation was related to the particle size. Surface addition of PEG and TNFα appeared to enhance particle accumulation in the pronephric tubules compared to uncoated particles. Depuration studies showed a gradual removal of particles from the gut and pronephric tubules, although fluorescence indicating the presence of the AuNPs remained in the pronephros 96 h after exposure. Toxicity assessment using two transgenic zebrafish reporter lines, however, revealed no AuNP-related renal injury or cellular oxidative stress. Collectively, our data show that AuNPs used in medical applications across the size range 40-80 nm, are bioavailable to larval zebrafish and some may persist in renal tissue, although their presence did not result in measurable toxicity with respect to pronephric organ function or cellular oxidative stress for short term exposures.
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Affiliation(s)
- Dylan L Windell
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom
| | - Sulayman Mourabit
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom
| | - Julian Moger
- Physics and Medical Imaging, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, Devon EX4 4QL, United Kingdom
| | - Stewart F Owen
- AstraZeneca, Global Compliance, Alderley Park, Macclesfield, Cheshire SK10 4TF, United Kingdom
| | - Matthew J Winter
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom
| | - Charles R Tyler
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom.
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8
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Kulikova T, Shamagsumova R, Rogov A, Stoikov I, Padnya P, Shiabiev I, Evtugyn G. Electrochemical DNA-Sensor Based on Macrocyclic Dendrimers with Terminal Amino Groups and Carbon Nanomaterials. SENSORS (BASEL, SWITZERLAND) 2023; 23:4761. [PMID: 37430675 DOI: 10.3390/s23104761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 07/12/2023]
Abstract
The assembling of thiacalix[4]arene-based dendrimers in cone, partial cone, and 1,3-alternate configuration on the surface of a glassy carbon electrode coated with carbon black or multiwalled carbon nanotubes has been characterized using cyclic voltammetry, electrochemical impedance spectroscopy, and scanning electron microscopy. Native and damaged DNA were electrostatically accumulated on the modifier layer. The influence of the charge of the redox indicator and of the macrocycle/DNA ratio was quantified and the roles of the electrostatic interactions and of the diffusional transfer of the redox indicator to the electrode interface indicator access were established. The developed DNA sensors were tested on discrimination of native, thermally denatured, and chemically damaged DNA and on the determination of doxorubicin as the model intercalator. The limit of detection of doxorubicin established for the biosensor based on multi-walled carbon nanotubes was equal to 1.0 pM with recovery from spiked human serum of 105-120%. After further optimization of the assembling directed towards the stabilization of the signal, the developed DNA sensors can find application in the preliminary screening of antitumor drugs and thermal damage of DNA. They can also be applied for testing potential drug/DNA nanocontainers as future delivery systems.
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Affiliation(s)
- Tatjana Kulikova
- A.M. Butlerov' Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia
| | - Rezeda Shamagsumova
- A.M. Butlerov' Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia
| | - Alexey Rogov
- Interdisciplinary Center of Analytical Microscopy, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia
| | - Ivan Stoikov
- A.M. Butlerov' Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia
| | - Pavel Padnya
- A.M. Butlerov' Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia
| | - Igor Shiabiev
- A.M. Butlerov' Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia
| | - Gennady Evtugyn
- A.M. Butlerov' Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia
- Analytical Chemistry Department, Chemical Technology Institute, Ural Federal University, 19 Mira Street, 620002 Ekaterinburg, Russia
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Pruna AI, Cárcel A, Benedito A, Giménez E. Enhanced CO 2 Capture of Poly(amidoamine)-Modified Graphene Oxide Aerogels with the Addition of Carbon Nanotubes. Int J Mol Sci 2023; 24:ijms24043865. [PMID: 36835276 PMCID: PMC9961410 DOI: 10.3390/ijms24043865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
Innovative dendrimer-modified graphene oxide (GO) aerogels are reported by employing generation 3.0 poly(amidoamine) (PAMAM) dendrimer and a combined synthesis approach based on the hydrothermal method and freeze-casting followed by lyophilization. The properties of modified aerogels were investigated with the dendrimer concentration and the addition of carbon nanotubes (CNTs) in varying ratios. Aerogel properties were evaluated via scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS). The obtained results indicated a strong correlation of the N content with the PAMAM/CNT ratio, where optimum values were revealed. The CO2 adsorption performance on the modified aerogels increased with the concentration of the dendrimer at an appropriate PAMAM/CNT ratio, reaching the value of 2.23 mmol g-1 at PAMAM/CNT ratio of 0.6/0.12 (mg mL-1). The reported results confirm that CNTs could be exploited to improve the functionalization/reduction degree in PAMAM-modified GO aerogels for CO2 capture.
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Affiliation(s)
- Alina Iuliana Pruna
- Instituto de Tecnología de Materiales, Universitat Politècnica de València (UPV), Camino de Vera s/n, 46022 Valencia, Spain
- Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, 316 Splaiul Independentei, 060042 Bucharest, Romania
- Correspondence: (A.I.P.); (E.G.)
| | - Alfonso Cárcel
- Instituto de Tecnología de Materiales, Universitat Politècnica de València (UPV), Camino de Vera s/n, 46022 Valencia, Spain
| | - Adolfo Benedito
- Instituto Tecnológico del Plástico (AIMPLAS), 4 Gustave Eiffel, Paterna, 46980 Valencia, Spain
| | - Enrique Giménez
- Instituto de Tecnología de Materiales, Universitat Politècnica de València (UPV), Camino de Vera s/n, 46022 Valencia, Spain
- Correspondence: (A.I.P.); (E.G.)
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Immobilization of Alcalase on Silica Supports Modified with Carbosilane and PAMAM Dendrimers. Int J Mol Sci 2022; 23:ijms232416102. [PMID: 36555742 PMCID: PMC9783553 DOI: 10.3390/ijms232416102] [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: 11/22/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Enzyme immobilization is a powerful strategy for enzyme stabilization and recyclability. Materials covered with multipoint molecules are very attractive for this goal, since the number of active moieties to attach the enzyme increases with respect to monofunctional linkers. This work evaluates different dendrimers supported on silica to immobilize a protease enzyme, Alcalase. Five different dendrimers were employed: two carbosilane (CBS) dendrimers of different generations (SiO2-G0Si-NH2 and SiO2-G1Si-NH2), a CBS dendrimer with a polyphenoxo core (SiO2-G1O3-NH2), and two commercial polyamidoamine (PAMAM) dendrimers of different generations (SiO2-G0PAMAM-NH2 and SiO2-G1PAMAM-NH2). The results were compared with a silica support modified with a monofunctional molecule (2-aminoethanethiol). The effect of the dendrimer generation, the immobilization conditions (immobilization time, Alcalase/SiO2 ratio, and presence of Ca2+ ions), and the digestion conditions (temperature, time, amount of support, and stirring speed) on Alcalase activity has been evaluated. Enzyme immobilization and its activity were highly affected by the kind of dendrimer and its generation, observing the most favorable behavior with SiO2-G0PAMAM-NH2. The enzyme immobilized on this support was used in two consecutive digestions and, unlike CBS supports, it did not retain peptides released in the digestion.
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Fernandes T, Martins NCT, Daniel-da-Silva AL, Trindade T. Dendrimer-based magneto-plasmonic nanosorbents for water quality monitoring using surface-enhanced Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 283:121730. [PMID: 35988470 DOI: 10.1016/j.saa.2022.121730] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/14/2022] [Accepted: 08/05/2022] [Indexed: 06/15/2023]
Abstract
In this work, we report the synthesis of magneto-plasmonic dendrimer-based nanosorbents containing Au nanostars and we demonstrate that they can be used as versatile optical sensors for the detection of pesticides in spiked water samples. The magnetic hybrid nanoparticles were obtained by conjugating silica-functionalized G5-NH2 PAMAM dendrimers to silica-coated magnetite cores. The resulting magnetic-PAMAM conjugates were then used to reduce and sequester Au seeds for the subsequent in situ growth of Au nanostars. The dendrimer-based magneto-plasmonic substrates containing the Au anisotropic nanophases were then investigated regarding their ability to monitor water quality through surface-enhanced Raman scattering (SERS) spectroscopy. As a proof-of-concept, the ensuing multifunctional materials were investigated as SERS probing systems to detect dithiocarbamate pesticides (ziram and thiram) dissolved in water samples. It was observed that the magneto-plasmonic hybrid materials enhance the Raman signal of these pesticides under variable operational conditions, suggesting the versatility of these systems for water quality monitoring. Moreover, a detailed analysis of the SERS data was accomplished to predict the adsorption profile of the dithiocarbamate pesticides to the Au surface.
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Affiliation(s)
- Tiago Fernandes
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Natércia C T Martins
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana L Daniel-da-Silva
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Tito Trindade
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
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A review on structural aspects and applications of PAMAM dendrimers in analytical chemistry: Frontiers from separation sciences to chemical sensor technologies. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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13
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Zhang Z, Wang Y, Wang Q, Shang L. Smart Film Actuators for Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2105116. [PMID: 35038215 DOI: 10.1002/smll.202105116] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/23/2021] [Indexed: 06/14/2023]
Abstract
Taking inspiration from the extremely flexible motion abilities in natural organisms, soft actuators have emerged in the past few decades. Particularly, smart film actuators (SFAs) demonstrate unique superiority in easy fabrication, tailorable geometric configurations, and programmable 3D deformations. Thus, they are promising in many biomedical applications, such as soft robotics, tissue engineering, delivery system, and organ-on-a-chip. In this review, the latest achievements of SFAs applied in biomedical fields are summarized. The authors start by introducing the fabrication techniques of SFAs, then shift to the topology design of SFAs, followed by their material selections and distinct actuating mechanisms. After that, their biomedical applications are categorized in practical aspects. The challenges and prospects of this field are finally discussed. The authors believe that this review can boost the development of soft robotics, biomimetics, and human healthcare.
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Affiliation(s)
- Zhuohao Zhang
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, and the Shanghai Key Laboratory of Medical Epigenetics, the International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Qiao Wang
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, and the Shanghai Key Laboratory of Medical Epigenetics, the International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Luoran Shang
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, and the Shanghai Key Laboratory of Medical Epigenetics, the International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
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14
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Zhang N, Feng N, Xin X, Zhang J, Wu D, Jiang Q, Yu T, Gao M, Zhao S, Yang H, Tian Q. Nano-drug delivery system with enhanced tumour penetration and layered anti-tumour efficacy. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2022; 45:102592. [PMID: 35905842 DOI: 10.1016/j.nano.2022.102592] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 05/31/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
The low delivery efficiency of nano-drugs and limited tumour penetration are still huge challenges in treating solid tumours. Herein, we developed a pH-responsive nano-drug delivery system, CALS/PDMA@DOX, with a size conversion-layered delivery function. The system is composed of a pH-responsive cationic liposome loaded with DOX (CALS) and a polyamidoamine dendrimer loaded with DOX (PAMAM@DOX) modified with 2,3-dimethylmaleic anhydride (PDMA@DOX) using electrostatic adsorption. In the tumour microenvironment, the positively-charged large-size CALS and the positively-charged small-size PAMAM@DOX were dissociated to exert anti-tumour effects. CALS preferentially targeted tumour angiogenesis endothelial cells. Because of its small size and positive charge, PAMAM@DOX showed excellent tumour penetration. Significant tumour suppression by the system in vivo was confirmed in a 4T1 tumour xenograft mouse model. This pH-triggered size-switching layered delivery nanosystem is a safe and effective cancer treatment delivery platform that improves drug permeability and therapeutic efficacy.
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Affiliation(s)
- Nan Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Nannan Feng
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Xiangying Xin
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Junwei Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Deqiao Wu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Qianqian Jiang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Tong Yu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Ming Gao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Siyuan Zhao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hui Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Qingfeng Tian
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China.
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15
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Nisiewicz MK, Kowalczyk A, Sikorska M, Kasprzak A, Bamburowicz-Klimkowska M, Koszytkowska-Stawińska M, Nowicka AM. Poly(amidoamine) dendrimer immunosensor for ultrasensitive gravimetric and electrochemical detection of matrix metalloproteinase-9. Talanta 2022; 247:123600. [PMID: 35659686 DOI: 10.1016/j.talanta.2022.123600] [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: 10/08/2021] [Revised: 05/04/2022] [Accepted: 05/25/2022] [Indexed: 10/18/2022]
Abstract
Monitoring the level of matrix metalloproteinase-9 (MMP-9) and inhibiting its expression is important for the diagnosis and treatment of various diseases. However, the analysis of MMP-9 is challenging owing to its very low content in the blood, especially at the early stages of diseases. Therefore, we developed an ultrasensitive and easy-to-use immunosensor based on a three-dimensional (3D) bioplatform for the determination of the total MMP-9 concentration in plasma. The used 3D bioplatform (G2 poly(amidoamine) dendrimer; PAMAM) improved the sensitivity of the determination by significantly expanding the surface area of the receptor layer. The antigen-antibody recognition process was controlled by quartz crystal microbalance with dissipation (QCM-D) and electrochemical impedance spectroscopy (EIS). The effect of the orientation of antibody molecules in the sensing layer on the work parameters of the immunosensor was analyzed using unmodified PAMAM (PAMAM-NH2) and PAMAM functionalized with -COOH groups (PAMAM-COOH). The developed immunosensor based on PAMAM-NH2 was characterized by a lower detection limit (LOD = 2.0 pg⋅mL-1) and wider analytical range (1·10-4 - 5 μg⋅mL-1 for EIS and QCM-D) compared to PAMAM-COOH immunosensor (EIS: 1·10-4 - 0.5 μg⋅mL-1; QCM-D: 5·10-4 - 0.5 μg⋅mL-1). The functionality of the proposed device was verified in spiked plasma. The recoveries determined in commercial human and rat plasma and noncommercial rat plasma were very close to the value of 100% and in the range of 96-120% for Au/PAMAM-NH2/Ab and Au/PAMAM-COOH/Ab immunosensors, respectively. The designed analytical devices showed high selectivity and sensitivity without the use of any amplifiers such as metal nanoparticles or enzymes.
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Affiliation(s)
- Monika K Nisiewicz
- Faculty of Chemistry, University of Warsaw, Pasteura Str. 1, PL 02-093 Warsaw, Poland; Faculty of Chemistry, Warsaw University of Technology, Noakowskiego Str. 3, PL 00-664 Warsaw, Poland
| | - Agata Kowalczyk
- Faculty of Chemistry, University of Warsaw, Pasteura Str. 1, PL 02-093 Warsaw, Poland
| | - Małgorzata Sikorska
- Faculty of Chemistry, University of Warsaw, Pasteura Str. 1, PL 02-093 Warsaw, Poland
| | - Artur Kasprzak
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego Str. 3, PL 00-664 Warsaw, Poland
| | | | | | - Anna M Nowicka
- Faculty of Chemistry, University of Warsaw, Pasteura Str. 1, PL 02-093 Warsaw, Poland.
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Dey AD, Bigham A, Esmaeili Y, Ashrafizadeh M, Moghaddam FD, Tan SC, Yousefiasl S, Sharma S, Maleki A, Rabiee N, Kumar AP, Thakur VK, Orive G, Sharifi E, Kumar A, Makvandi P. Dendrimers as nanoscale vectors: Unlocking the bars of cancer therapy. Semin Cancer Biol 2022; 86:396-419. [PMID: 35700939 DOI: 10.1016/j.semcancer.2022.06.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/06/2022] [Accepted: 06/09/2022] [Indexed: 11/18/2022]
Abstract
Chemotherapy is the first choice in the treatment of cancer and is always preferred to other approaches such as radiation and surgery, but it has never met the need of patients for a safe and effective drug. Therefore, new advances in cancer treatment are now needed to reduce the side effects and burdens associated with chemotherapy for cancer patients. Targeted treatment using nanotechnology are now being actively explored as they could effectively deliver therapeutic agents to tumor cells without affecting normal cells. Dendrimers are promising nanocarriers with distinct physiochemical properties that have received considerable attention in cancer therapy studies, which is partly due to the numerous functional groups on their surface. In this review, we discuss the progress of different types of dendrimers as delivery systems in cancer therapy, focusing on the challenges, opportunities, and functionalities of the polymeric molecules. The paper also reviews the various role of dendrimers in their entry into cells via endocytosis, as well as the molecular and inflammatory pathways in cancer. In addition, various dendrimers-based drug delivery (e.g., pH-responsive, enzyme-responsive, redox-responsive, thermo-responsive, etc.) and lipid-, amino acid-, polymer- and nanoparticle-based modifications for gene delivery, as well as co-delivery of drugs and genes in cancer therapy with dendrimers, are presented. Finally, biosafety concerns and issues hindering the transition of dendrimers from research to the clinic are discussed to shed light on their clinical applications.
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Affiliation(s)
- Asmita Deka Dey
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Ashkan Bigham
- Institute of Polymers, Composites and Biomaterials-National Research Council (IPCB-CNR), Viale J.F. Kennedy 54-Mostra d'Oltremare pad. 20, 80125 Naples, Italy
| | - Yasaman Esmaeili
- Biosensor Research Center (BRC), School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, 34956 Istanbul, Turkey; Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956 Istanbul, Turkey
| | - Farnaz Dabbagh Moghaddam
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran 1477893855, Iran
| | - Shing Cheng Tan
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Satar Yousefiasl
- School of Dentistry, Hamadan University of Medical Sciences, 6517838736 Hamadan, Iran
| | - Saurav Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Aziz Maleki
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Sciences, 45139-56184 Zanjan, Iran; Zanjan Pharmaceutical Nanotechnology Research Center (ZPNRC), Zanjan University of Medical Sciences, 45139-56184 Zanjan, Iran; Cancer Research Centre, Shahid Beheshti University of Medical Sciences, 1989934148 Tehran, Iran
| | - Navid Rabiee
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk, 37673, South Korea; School of Engineering, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Alan Prem Kumar
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore; NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119077, Singapore
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, Edinburgh EH9 3JG, UK; School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India; Centre for Research & Development, Chandigarh University, Mohali 140413, Punjab, India
| | - Gorka Orive
- NanoBioCel Research Group, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria-Gasteiz, Spain; Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain
| | - Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran; Institute of Polymers, Composites and Biomaterials, National Research Council (IPCB-CNR), Naples, 80125 Italy.
| | - Arun Kumar
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Pooyan Makvandi
- Istituto Italiano di Tecnologia, Centre for Materials Interfaces, Pontedera, 56025 Pisa, Italy.
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Poellmann MJ, Rawding P, Kim D, Bu J, Kim Y, Hong S. Branched, dendritic, and hyperbranched polymers in liquid biopsy device design. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1770. [PMID: 34984833 PMCID: PMC9480505 DOI: 10.1002/wnan.1770] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/02/2021] [Accepted: 12/09/2021] [Indexed: 12/15/2022]
Abstract
The development of minimally invasive tests for cancer diagnosis and prognosis will aid in the research of new treatments and improve survival rates. Liquid biopsies seek to derive actionable information from tumor material found in routine blood samples. The relative scarcity of tumor material in this complex mixture makes isolating and detecting cancerous material such as proteins, circulating tumor DNA, exosomes, and whole circulating tumor cells a challenge for device engineers. This review describes the chemistry and applications of branched and hyperbranched to improve the performance of liquid biopsy devices. These polymers can improve the performance of a liquid biopsy through several mechanisms. For example, polymers designed to increase the affinity of capture enhance device sensitivity. On the other hand, polymers designed to increase binding avidity or repel nonspecific adsorption enhance device specificity. Branched and hyperbranched polymers can also be used to amplify the signal from small amounts of detected material. The further development of hyperbranched polymers in liquid biopsy applications will enhance device capabilities and help these critical technologies reach the oncology clinic where they are sorely needed. This article is categorized under: Diagnostic Tools > Biosensing Diagnostic Tools > Diagnostic Nanodevices.
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Affiliation(s)
- Michael J Poellmann
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA.,Capio Biosciences, Madison, Wisconsin, USA
| | - Piper Rawding
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA
| | - DaWon Kim
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA
| | - Jiyoon Bu
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA
| | - YoungSoo Kim
- Department of Pharmacy, Yonsei University, Incheon, South Korea
| | - Seungpyo Hong
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA.,Capio Biosciences, Madison, Wisconsin, USA.,Department of Pharmacy, Yonsei University, Incheon, South Korea.,Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, USA.,Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin, USA.,Wisconsin Center for NanoBioSystems, University of Wisconsin-Madison, Madison, Wisconsin, USA
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18
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A novel electrochemical immunosensor for ultrasensitive detection of tumor necrosis factor α based on polystyrene - PAMAM dendritic polymer blend nanofibers. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107206] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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19
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Garkani Nejad F, Sheikhshoaie I, Beitollahi H. Simultaneous detection of carmoisine and tartrazine in food samples using GO-Fe 3O 4-PAMAM and ionic liquid based electrochemical sensor. Food Chem Toxicol 2022; 162:112864. [PMID: 35157927 DOI: 10.1016/j.fct.2022.112864] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/31/2022] [Accepted: 02/10/2022] [Indexed: 12/11/2022]
Abstract
This study was performed to investigate the simultaneous detection of carmoisine and tartrazine, two food azo dyes, with a new voltammetric sensor based on graphene oxide-Fe3O4 (GO-Fe3O4) nanocomposite functionalized with fourth-generation poly(amidoamine) (G4 PAMAM) dendrimers (GO-Fe3O4-G4 PAMAM) and ionic liquid (IL) modified carbon paste electrode (GO-Fe3O4-G4 PAMAM/ILCPE). The GO-Fe3O4-G4 PAMAM was synthesized and characterized by X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX), vibrating-sample magnetometer (VSM), and fourier transform infrared (FT-IR) techniques. Cyclic voltammetry (CV) was used to evaluate the electrochemical behavior of carmoisine, revealing the good electrocatalytic function of GO-Fe3O4-G4 PAMAM/ILCPE. Linear response from 0.1 to 170.0 μM was obtained based on carmoisine electrochemical oxidation through differential pulse voltammetry (DPV). The limit of detection (LOD) value obtained was 0.02 μM. Also, the GO-Fe3O4-G4 PAMAM/ILCPE was used for the simultaneous determination of carmoisine and tartrazine. In co-existence system containing carmoisine and tartrazine, the developed sensor exhibited well-defined and separate DPV peaks (i.e., 770 mV) for carmoisine and tartrazine. Besides, repeatability, reproducibility and stability studies were performed. Additionally, the analytical application of this sensor was demonstrated by determination of carmoisine and tartrazine in food samples including lemon juice and powdered juice.
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Affiliation(s)
- Fariba Garkani Nejad
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, 76175-133, Iran
| | - Iran Sheikhshoaie
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, 76175-133, Iran.
| | - Hadi Beitollahi
- Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran.
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20
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The Bioanalytical and Biomedical Applications of Polymer Modified Substrates. Polymers (Basel) 2022; 14:polym14040826. [PMID: 35215740 PMCID: PMC8878960 DOI: 10.3390/polym14040826] [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: 01/22/2022] [Revised: 02/14/2022] [Accepted: 02/17/2022] [Indexed: 01/11/2023] Open
Abstract
Polymers with different structures and morphology have been extensively used to construct functionalized surfaces for a wide range of applications because the physicochemical properties of polymers can be finely adjusted by their molecular weights, polydispersity and configurations, as well as the chemical structures and natures of monomers. In particular, the specific functions of polymers can be easily achieved at post-synthesis by the attachment of different kinds of active molecules such as recognition ligand, peptides, aptamers and antibodies. In this review, the recent advances in the bioanalytical and biomedical applications of polymer modified substrates were summarized with subsections on functionalization using branched polymers, polymer brushes and polymer hydrogels. The review focuses on their applications as biosensors with excellent analytical performance and/or as nonfouling surfaces with efficient antibacterial activity. Finally, we discuss the perspectives and future directions of polymer modified substrates in the development of biodevices for the diagnosis, treatment and prevention of diseases.
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21
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The first diagnostic test for specific detection of Mycobacterium simiae using an electrochemical label-free DNA nanobiosensor. Talanta 2022; 238:123049. [PMID: 34801906 DOI: 10.1016/j.talanta.2021.123049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 10/06/2021] [Accepted: 11/06/2021] [Indexed: 01/08/2023]
Abstract
Mycobacterium simiae has been reported to be the most prevalent species of Nontuberculous mycobacteria (NTM) in many countries. As both phenotypic and molecular detection of M. simiae and other NTMs have limitations, finding an accurate, fast, and low-cost diagnostic method is critical for the management of infections. Here, we report the development of a new type of label-free electrochemical biosensor using a gold electrode decorated with l-cysteine/PAMAM dendrimer for specific targeting of M. simiae ITS sequence. DNA hybridization was monitored by measuring changes in the free guanine electrical signal with changing ssDNA target concentrations by differential pulse voltammetry (DPV) method. Response surface methodology (RSM) was applied for the optimization of variables affecting biosensor response. Under optimal conditions, the biosensor revealed a wide linear range from 10-14 M to 10-6 M and a detection limit of 1.40 fM. The fabricated biosensor showed an excellent selectivity to M. simiae in the presence of other similar pathogenic bacteria. Moreover, experimental results confirmed that this biosensor exhibited great precision and high reproducibility, hence provides a low-cost, label-free, and faster detection analysis, representing a novel strategy in detecting other NTMs.
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22
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Cui C, Xie YD, Niu JJ, Hu HL, Lin S. Poly(Amidoamine) Dendrimer Modified Superparamagnetic Nanoparticles as an Efficient Adsorbent for Cr(VI) Removal: Effect of High-Generation Dendrimer on Adsorption Performance. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-021-02222-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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23
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Patle RY, Meshram JS. The advanced synthetic modifications and applications of multifunctional PAMAM dendritic composites. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00074h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The profound advances in dendrimer chemistry have led to new horizons in polymer science.
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Affiliation(s)
- Ramkrishna Y. Patle
- Mahatma Gandhi College of Science Gadchandur, Chandrapur, (M.S.)-442908, India
- PGTD Chemistry, R.T.M. Nagpur University, Nagpur, (M.S.)-440033, India
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Thakare S, Shaikh A, Bodas D, Gajbhiye V. Application of dendrimer-based nanosensors in immunodiagnosis. Colloids Surf B Biointerfaces 2021; 209:112174. [PMID: 34742022 DOI: 10.1016/j.colsurfb.2021.112174] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/12/2021] [Accepted: 10/19/2021] [Indexed: 01/01/2023]
Abstract
Conventional immunoassays such as ELISA and FLISA have been used for clinical diagnosis for a long time. These assays are complex, time-consuming, and uneconomical. They have been overwhelmed with newer and more efficient methods such as electrochemical and electrochemiluminescent immunosensors that are cost-effective and require less time. Immunosensor is a biosensor that consists of a signal transducer and a biologically interactive system such as antigen and antibody interaction. Recent advances in nanotechnology have seen numerous efforts towards the usage of nanoparticles such as dendrimers in immunoassays. Dendrimers are highly branched structures with a high density of active peripheral groups, expanding their wide range of applications in immunoassays. A vast number of peripheral groups enrich the sensitivity of the immunosensor by governing the orientation of the antibody on the sensor surface. The current review highlights recent progress and developments in applying dendrimers for different immunoassays and their applicability in analyzing various biomarkers in clinical disease diagnosis.
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Affiliation(s)
| | - Aazam Shaikh
- Nanobioscience, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411007, India
| | - Dhananjay Bodas
- Nanobioscience, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411007, India.
| | - Virendra Gajbhiye
- Nanobioscience, Agharkar Research Institute, Pune 411004, India; Savitribai Phule Pune University, Pune 411007, India.
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25
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Boddu SHS, Bhagav P, Karla PK, Jacob S, Adatiya MD, Dhameliya TM, Ranch KM, Tiwari AK. Polyamide/Poly(Amino Acid) Polymers for Drug Delivery. J Funct Biomater 2021; 12:58. [PMID: 34698184 PMCID: PMC8544418 DOI: 10.3390/jfb12040058] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 12/29/2022] Open
Abstract
Polymers have always played a critical role in the development of novel drug delivery systems by providing the sustained, controlled and targeted release of both hydrophobic and hydrophilic drugs. Among the different polymers, polyamides or poly(amino acid)s exhibit distinct features such as good biocompatibility, slow degradability and flexible physicochemical modification. The degradation rates of poly(amino acid)s are influenced by the hydrophilicity of the amino acids that make up the polymer. Poly(amino acid)s are extensively used in the formulation of chemotherapeutics to achieve selective delivery for an appropriate duration of time in order to lessen the drug-related side effects and increase the anti-tumor efficacy. This review highlights various poly(amino acid) polymers used in drug delivery along with new developments in their utility. A thorough discussion on anticancer agents incorporated into poly(amino acid) micellar systems that are under clinical evaluation is included.
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Affiliation(s)
- Sai H. S. Boddu
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman P.O. Box 346, United Arab Emirates
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates;
| | - Prakash Bhagav
- Advanced Drug Delivery Research and Development, Sampann Research and Development, Panacea Biotec Ltd., Ambala, Chandigarh Highway, Lalru 140501, India;
| | - Pradeep K. Karla
- Department of Pharmaceutical Sciences, College of Pharmacy, Howard University, 2300 4th St. N.W., Washington, DC 20059, USA
| | - Shery Jacob
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman 4184, United Arab Emirates;
| | - Mansi D. Adatiya
- Lallubhai Motilal College of Pharmacy, Navrangpura, Ahmedabad 380009, India; (M.D.A.); (T.M.D.); (K.M.R.)
| | - Tejas M. Dhameliya
- Lallubhai Motilal College of Pharmacy, Navrangpura, Ahmedabad 380009, India; (M.D.A.); (T.M.D.); (K.M.R.)
| | - Ketan M. Ranch
- Lallubhai Motilal College of Pharmacy, Navrangpura, Ahmedabad 380009, India; (M.D.A.); (T.M.D.); (K.M.R.)
| | - Amit K. Tiwari
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates;
- Department of Pharmacology & Experimental Therapeutics, Health Science Campus, The University of Toledo, 3000 Arlington Ave., Toledo, OH 43614, USA
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Devadas B, Periasamy AP, Bouzek K. A review on poly(amidoamine) dendrimer encapsulated nanoparticles synthesis and usage in energy conversion and storage applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214062] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Hydrothermal-Freeze-Casting of Poly(amidoamine)-Modified Graphene Aerogels towards CO 2 Adsorption. Int J Mol Sci 2021; 22:ijms22179333. [PMID: 34502241 PMCID: PMC8431461 DOI: 10.3390/ijms22179333] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/13/2021] [Accepted: 08/25/2021] [Indexed: 01/03/2023] Open
Abstract
This article presents novel poly(amidoamine) (PAMAM) dendrimer-modified with partially-reduced graphene oxide (rGO) aerogels, obtained using the combined solvothermal synthesis-freeze-casting approach. The properties of modified aerogels are investigated with varying synthesis conditions, such as dendrimer generation (G), GO:PAMAM wt. ratio, solvothermal temperature, and freeze-casting rate. Scanning electron microscopy, Fourier Transform Infrared spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy are employed to characterize the aerogels. The results indicate a strong correlation of the synthesis conditions with N content, N/C ratio, and nitrogen contributions in the modified aerogels. Our results show that the best CO2 adsorption performance was exhibited by the aerogels modified with higher generation (G7) dendrimer at low GO:PAMAM ratio as 2:0.1 mg mL−1 and obtained at higher solvothermal temperature and freeze-casting in liquid nitrogen. The enclosed results are indicative of a viable approach to modify graphene aerogels towards improving the CO2 capture.
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Giarola JDF, Souto DEP, Kubota LT. Evaluation of PAMAM Dendrimers (G3, G4, and G5) in the Construction of a SPR-based Immunosensor for Cardiac Troponin T. ANAL SCI 2021; 37:1007-1013. [PMID: 33431736 DOI: 10.2116/analsci.20p394] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
An immunosensor was developed using a SAM of an alkanethiol associated with PAMAM(G4) dendrimers based on surface plasmon resonance (SPR) to enhance the sensitivity for troponin T detection in blood samples. The feasibility of using three-dimensional platforms based on dendrimers for the development of immunosensors was demonstrated by evaluating three different generations of these dendrimers (G3, G4, and G5) to detect troponin T. The results showed the efficiency of these 3D platforms in anchoring biomolecules, amplifying the detection of troponin T. The sandwich assay showed good performance for troponin T detection, using secondary monoclonal antibodies, in the concentration range of 5 - 300 ng mL-1 (0.14 - 8.67 nmol L-1), R2 = 0.991, with the LOD of 3.6 ng mL-1. The sandwich assay's applicability was demonstrated by evaluating a secondary polyclonal antibody's performance in the concentration range of 3 - 30 ng mL-1, R2 = 0.998, with the LOD of 0.98 ng mL-1. The immunosensor was applied to determine troponin T in blood plasma samples from healthy patients, with an average recovery of 88 to 104%. The performance of the SPR-based immunosensor indicates reliable results and is expected to contribute to the rapid diagnosis of heart attack, with reduced costs.
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Affiliation(s)
- Juliana de F Giarola
- Institute of Chemistry, University of Campinas (UNICAMP).,National Institute of Science & Technology of Bioanalytics (INCTBio)
| | - Dênio E P Souto
- Department of Chemistry, Federal University of Paraná (UFPR)
| | - Lauro T Kubota
- Institute of Chemistry, University of Campinas (UNICAMP).,National Institute of Science & Technology of Bioanalytics (INCTBio)
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Nagraik R, Sethi S, Sharma A, Kumar D, Kumar D, Kumar AP. Ultrasensitive nanohybrid electrochemical sensor to detect LipL32 gene of Leptospira interrogans. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01737-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Jamshaid F, Khan RU, Islam A. Performance tuning of glass fiber/epoxy composites through interfacial modification upon integrating with dendrimer functionalized graphene oxide. J Appl Polym Sci 2021. [DOI: 10.1002/app.50876] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Fahd Jamshaid
- Institute of Polymer and Textile Engineering University of the Punjab Lahore Pakistan
| | - Rafi Ullah Khan
- Institute of Polymer and Textile Engineering University of the Punjab Lahore Pakistan
| | - Atif Islam
- Institute of Polymer and Textile Engineering University of the Punjab Lahore Pakistan
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31
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Ekinci S, İlter Z, Ercan S, Çınar E, Çakmak R. Magnetite nanoparticles grafted with murexide-terminated polyamidoamine dendrimers for removal of lead (II) from aqueous solution: synthesis, characterization, adsorption and antimicrobial activity studies. Heliyon 2021; 7:e06600. [PMID: 33869845 PMCID: PMC8035525 DOI: 10.1016/j.heliyon.2021.e06600] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/18/2020] [Accepted: 03/23/2021] [Indexed: 01/05/2023] Open
Abstract
In this study, new, efficient, eco-friendly and magnetically separable nanoadsorbents, MNPs-G1-Mu and MNPs-G2-Mu, were successfully prepared by covalently grafting murexide-terminated polyamidoamine dendrimers on 3-aminopropyl functionalized silica-coated magnetite nanoparticles, and used for rapid removal of lead (II) from aqueous medium. After each adsorption process, the supernatant was successfully acquired from reaction mixture by the magnetic separation, and then analyzed by employing ICP-OES. Chemical and physical characterizations of new nanomaterials were confirmed by XRD, FT-IR, SEM, TEM, and VSM. Maximum adsorption capacities (qm) of both prepared new nanostructured adsorbents were compared with each other and also with some other adsorbents. The kinetic data were appraised by using pseudo-first-order and pseudo-second-order kinetic models. Adsorption isotherms were found to be suitable with both Langmuir and Freundlich isotherm linear equations. The maximum adsorption capacities for MNPs-G1-Mu and MNPs-G2-Mu were calculated as 208.33 mg g-1 and 232.56 mg g-1, respectively. Antimicrobial activities of nanoparticles were also examined against various microorganisms by using microdilution method. It was determined that MNPs-G1-Mu, MNPs-G2-Mu and lead (II) adsorbed MNPs-G2-Mu showed good antimicrobial activity against S. aureus ATTC 29213 and C. Parapsilosis ATTC 22019. MNPs-G1-Mu also showed antimicrobial activity against C. albicans ATTC 10231.
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Affiliation(s)
- Selma Ekinci
- Department of Chemistry, Faculty of Science and Art, Batman University, Batman, 72100, Turkey
| | - Zülfiye İlter
- Department of Chemistry, Faculty of Science, Fırat University, Elazığ, 23000, Turkey
| | - Selami Ercan
- Department of Nursing, School of Health Sciences, Batman University, Batman, 72060, Turkey
| | - Ercan Çınar
- Department of Nursing, School of Health Sciences, Batman University, Batman, 72060, Turkey
| | - Reşit Çakmak
- Medical Laboratory Techniques Program, Vocational School of Health Services, Batman University, Batman, 72060, Turkey
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Elancheziyan M, Senthilkumar S. Redox-active gold nanoparticle-encapsulated poly(amidoamine) dendrimer for electrochemical sensing of 4-aminophenol. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115131] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Bao X, She Q, Long W, Wu Q. Ammonium ultra-selective membranes for wastewater treatment and nutrient enrichment: Interplay of surface charge and hydrophilicity on fouling propensity and ammonium rejection. WATER RESEARCH 2021; 190:116678. [PMID: 33279747 DOI: 10.1016/j.watres.2020.116678] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 10/28/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
Membrane fouling and ammonium transmembrane diffusion simultaneously pose great challenges in membrane-based pre-concentration of domestic wastewater for efficient subsequent resources recovery (i.e., energy and nutrients). Herein, amine-functionalized osmotic membranes were fabricated by optimizing the grafting pathway of polyamidoamine (PAMAM) dendrimer to mitigate fouling and ammonium transmembrane diffusion. Compared to the control membrane, the PAMAM-grafted membranes with abundant primary amine groups possessed substantially increased hydrophilicity and positive charges (i.e., protonated primary amines) and thus exhibited superior anti-fouling capability and ammonium selectivity. With further increasing the PAMAM grafting ratio, the membrane exhibited a steady enhancement in ammonium selectivity and eventually achieved an ultra-high ammonium rejection of 99.4%. Nevertheless, the anti-fouling capability of such ammonium ultra-selective membrane was weakened due to the suppression of the adverse impact of excessive positive charges over the beneficial effect of increased surface hydrophilicity. This in turn leads to a drop of ammonium rejection below 90% during domestic wastewater concentration. This study demonstrates that the membrane with a moderate primary amine loading could achieve the highest anti-fouling capability with only less than 10% flux decline and meanwhile maintain an excellent ammonium rejection above 94% during raw domestic wastewater concentration. This work provides theoretical guidance for fabricating simultaneously enhanced anti-fouling and ammonia-rejecting membranes.
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Affiliation(s)
- Xian Bao
- School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798; Singapore Membrane Technology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, Singapore 637141
| | - Qianhong She
- School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798; Singapore Membrane Technology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, Singapore 637141.
| | - Wei Long
- School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798; Singapore Membrane Technology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, Singapore 637141
| | - Qinglian Wu
- College of Architecture and Environment, Sichuan University, Chengdu 610065, PR China.
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Oliveira IM, Gonçalves C, Oliveira EP, Simón-Vázquez R, da Silva Morais A, González-Fernández Á, Reis RL, Oliveira JM. PAMAM dendrimers functionalised with an anti-TNF α antibody and chondroitin sulphate for treatment of rheumatoid arthritis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 121:111845. [DOI: 10.1016/j.msec.2020.111845] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 12/18/2020] [Accepted: 12/28/2020] [Indexed: 01/22/2023]
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Salapa J, Bushman A, Lowe K, Irudayaraj J. Nano drug delivery systems in upper gastrointestinal cancer therapy. NANO CONVERGENCE 2020; 7:38. [PMID: 33301056 PMCID: PMC7728832 DOI: 10.1186/s40580-020-00247-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 11/23/2020] [Indexed: 05/02/2023]
Abstract
Upper gastrointestinal (GI) carcinomas are characterized as one of the deadliest cancer types with the highest recurrence rates. Their treatment is challenging due to late diagnosis, early metastasis formation, resistance to systemic therapy and complicated surgeries performed in poorly accessible locations. Current cancer medication face deficiencies such as high toxicity and systemic side-effects due to the non-specific distribution of the drug agent. Nanomedicine has the potential to offer sophisticated therapeutic possibilities through adjusted delivery systems. This review aims to provide an overview of novel approaches and perspectives on nanoparticle (NP) drug delivery systems for gastrointestinal carcinomas. Present regimen for the treatment of upper GI carcinomas are described prior to detailing various NP drug delivery formulations and their current and potential role in GI cancer theranostics with a specific emphasis on targeted nanodelivery systems. To date, only a handful of NP systems have met the standard of care requirements for GI carcinoma patients. However, an increasing number of studies provide evidence supporting NP-based diagnostic and therapeutic tools. Future development and strategic use of NP-based drug formulations will be a hallmark in the treatment of various cancers. This article seeks to highlight the exciting potential of novel NPs for targeted cancer therapy in GI carcinomas and thus provide motivation for further research in this field.
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Affiliation(s)
- Julia Salapa
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA
- Department of Physics, Technical University of Vienna, Karlsplatz 13, 1040 Vienna, Austria
| | - Allison Bushman
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA
| | - Kevin Lowe
- Carle Foundation Hospital South, Urbana, IL 61801 USA
- Carle-Illinois College of Medicine, Urbana, IL 61801 USA
| | - Joseph Irudayaraj
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA
- Carle-Illinois College of Medicine, Urbana, IL 61801 USA
- Cancer Center at Illinois, Urbana, IL 61801 USA
- Biomedical Research Facility, 3rd Floor Mills Breast Cancer Institute, Carle Foundation Hospital South, Urbana, IL 61801 USA
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36
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Onaș AM, Bîru IE, Gârea SA, Iovu H. Novel Bovine Serum Albumin Protein Backbone Reassembly Study: Strongly Twisted β-Sheet Structure Promotion upon Interaction with GO-PAMAM. Polymers (Basel) 2020; 12:polym12112603. [PMID: 33167588 PMCID: PMC7694545 DOI: 10.3390/polym12112603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 11/02/2020] [Accepted: 11/04/2020] [Indexed: 11/16/2022] Open
Abstract
This study investigates the formation of a graphene oxide-polyamidoamine dendrimer complex (GO-PAMAM) and its association and interaction with bovine serum albumin (BSA). Fourier-transform infrared spectrometry and X-ray photoelectron spectrometry indicated the formation of covalent linkage between the GO surface and PAMAM with 7.22% nitrogen content in the GO-PAMAM sample, and various interactions between BSA and GO-PAMAM, including π-π* interactions at 291.5 eV for the binding energy value. Thermogravimetric analysis highlighted the increasing thermal stability throughout the modification process, from 151 to 192 °C for the 10% weight loss temperature. Raman spectrometry and X-ray diffraction analysis were used in order to examine the complexes’ assembly, showing a prominent (0 0 2) lattice in GO-PAMAM. Dynamic light scattering tests proved the formation of stable graphenic and graphenic-protein aggregates. The secondary structure rearrangement of BSA after interaction with GO-PAMAM was investigated using circular dichroism spectroscopy. We have observed a shift from 10.9% β-sheet composition in native BSA to 64.9% β-sheet composition after the interaction with GO-PAMAM. This interaction promoted the rearrangement of the protein backbone, leading to strongly twisted β-sheet secondary structure architecture.
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Affiliation(s)
- Andra Mihaela Onaș
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.M.O.); (I.E.B.); (S.A.G.)
| | - Iuliana Elena Bîru
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.M.O.); (I.E.B.); (S.A.G.)
| | - Sorina Alexandra Gârea
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.M.O.); (I.E.B.); (S.A.G.)
| | - Horia Iovu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.M.O.); (I.E.B.); (S.A.G.)
- Academy of Romanian Scientists, 050094 Bucharest, Romania
- Correspondence: ; Tel.: +40-21-402-3922
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Applications of Nanotechnology in Sensor-Based Detection of Foodborne Pathogens. SENSORS 2020; 20:s20071966. [PMID: 32244581 PMCID: PMC7181077 DOI: 10.3390/s20071966] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 03/28/2020] [Accepted: 03/30/2020] [Indexed: 02/06/2023]
Abstract
The intake of microbial-contaminated food poses severe health issues due to the outbreaks of stern food-borne diseases. Therefore, there is a need for precise detection and identification of pathogenic microbes and toxins in food to prevent these concerns. Thus, understanding the concept of biosensing has enabled researchers to develop nanobiosensors with different nanomaterials and composites to improve the sensitivity as well as the specificity of pathogen detection. The application of nanomaterials has enabled researchers to use advanced technologies in biosensors for the transfer of signals to enhance their efficiency and sensitivity. Nanomaterials like carbon nanotubes, magnetic and gold, dendrimers, graphene nanomaterials and quantum dots are predominantly used for developing biosensors with improved specificity and sensitivity of detection due to their exclusive chemical, magnetic, mechanical, optical and physical properties. All nanoparticles and new composites used in biosensors need to be classified and categorized for their enhanced performance, quick detection, and unobtrusive and effective use in foodborne analysis. Hence, this review intends to summarize the different sensing methods used in foodborne pathogen detection, their design, working principle and advances in sensing systems.
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Vidal L, Ben Aissa A, Salabert J, Jara JJ, Vallribera A, Pividori MI, Sebastián RM. Biotinylated Phosphorus Dendrimers as Control Line in Nucleic Acid Lateral Flow Tests. Biomacromolecules 2020; 21:1315-1323. [PMID: 32067443 DOI: 10.1021/acs.biomac.0c00161] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Lateral flow assays (LFA) are an affordable, easy-to-use, qualitative rapid test for clinical diagnosis in nonlaboratory environments and low-resource facilities. The control line of these tests is very important to provide a valid result, confirming that the platform operates correctly. A clear, nondiffused line is desirable. The number of colored nanoparticles that reach the control line in a positive test can be very small, and they should all be trapped efficiently by the molecules adsorbed there. In this work, we proposed the use of robust biotinylated dendrimers of two different generations as signal amplifiers in control lines of LFA, able to react with streptavidin-modified gold nanoparticles. Besides the synthesis and characterization, the analytical performance as control lines will be studied, and their response will be compared with other commercially available biotinylated molecules. Finally, the utility of the dendrimer implemented in a NALF (Nucleic Acid Lateral Flow) strip was also demonstrated for detection of the amplicons obtained by double-tagging PCR (polymerase chain reaction) for the detection of E. coli as a model of foodborne pathogen.
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Affiliation(s)
- Laura Vidal
- Department of Chemistry, Universitat Autònoma de Barcelona, Campus de Bellaterra s/n, 08193 Cerdanyola del Vallès, Barcelona Spain
| | | | - Jordi Salabert
- Department of Chemistry, Universitat Autònoma de Barcelona, Campus de Bellaterra s/n, 08193 Cerdanyola del Vallès, Barcelona Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA), Campus UAB, Cerdanyola del Vallès, 08193-Barcelona, Spain
| | - José Juan Jara
- Department of Chemistry, Universitat Autònoma de Barcelona, Campus de Bellaterra s/n, 08193 Cerdanyola del Vallès, Barcelona Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA), Campus UAB, Cerdanyola del Vallès, 08193-Barcelona, Spain
| | - Adelina Vallribera
- Department of Chemistry, Universitat Autònoma de Barcelona, Campus de Bellaterra s/n, 08193 Cerdanyola del Vallès, Barcelona Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA), Campus UAB, Cerdanyola del Vallès, 08193-Barcelona, Spain
| | - María Isabel Pividori
- Department of Chemistry, Universitat Autònoma de Barcelona, Campus de Bellaterra s/n, 08193 Cerdanyola del Vallès, Barcelona Spain
| | - Rosa María Sebastián
- Department of Chemistry, Universitat Autònoma de Barcelona, Campus de Bellaterra s/n, 08193 Cerdanyola del Vallès, Barcelona Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA), Campus UAB, Cerdanyola del Vallès, 08193-Barcelona, Spain
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Xiang W, Lv Q, Shi H, Xie B, Gao L. Aptamer-based biosensor for detecting carcinoembryonic antigen. Talanta 2020; 214:120716. [PMID: 32278406 DOI: 10.1016/j.talanta.2020.120716] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 12/30/2019] [Accepted: 01/03/2020] [Indexed: 02/07/2023]
Abstract
Carcinoembryonic antigen (CEA), as one of the common tumor markers, is a human glycoprotein involved in cell adhesion and is expressed during human fetal development. Since the birth of human, CEA expression is largely inhibited, with only low levels in the plasma of healthy adults. Generally, CEA will overexpressed in many cancers, including gastric, breast, ovarian, lung, and pancreatic cancers, especially colorectal cancer. As one of the important tumor markers, the detection of CEA has great significance in differential diagnosis, condition monitoring and therapeutic evaluation of diseases. Conventional CEA testing typically uses immunoassay methods. However, immunoassay methods require complex and expensive instruments and professional personnel to operate. Moreover, radioactive element may cause certain damage to the human body, which limits their wide application. In the past few years, biosensors, especially aptamer-based biosensors, have attracted extensive attention due to their high sensitivity, good selectivity, high accuracy, fast response and low cost. This review briefly classifies and describes the advance in optical and electrochemical aptamer biosensors for CEA detection, also explains and compares their advantages and disadvantages.
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Affiliation(s)
- Wenwen Xiang
- Institute of Life Sciences, Jiangsu University, Zhenjiang, 212013, PR China
| | - Qiuxiang Lv
- Institute of Life Sciences, Jiangsu University, Zhenjiang, 212013, PR China
| | - Haixia Shi
- P. E. Department of Jiangsu University, Zhenjiang, 212013, PR China
| | - Bing Xie
- Department of Obstetrics and Gynecology, The Fourth People's Hospital of Zhenjiang, Zhenjiang, 212000, PR China
| | - Li Gao
- Institute of Life Sciences, Jiangsu University, Zhenjiang, 212013, PR China.
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Zhou Y, He J, Zhang C, Li J, Fu X, Mao W, Li W, Yu C. Novel Ce(III)-Metal Organic Framework with a Luminescent Property To Fabricate an Electrochemiluminescence Immunosensor. ACS APPLIED MATERIALS & INTERFACES 2020; 12:338-346. [PMID: 31794188 DOI: 10.1021/acsami.9b19246] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We designed a novel luminescent metal-organic framework (MOF) named Ce-TCPP-LMOF (CTM) through a simple one-pot solvothermal method. CTM was synthesized by using the emerging electrochemiluminescent (ECL) material (4,4',4″,4‴-(porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid) as the organic ligand and Ce(III) as the metal node. We found that CTM not only has the remarkable ability to emit light but also has a uniform "sandwich biscuit" shape and suitable nanoscale size, which are promising for further applications. We also applied CTM to construct a novel ECL immunosensor and achieve sensitive detection of the proprotein convertase subtilisin/kexin type 9 (PCSK9), a biomarker related to cardiovascular diseases. To further amplify the ECL signal of CTM, a novel dual-amplified signal strategy was established by inducing a polyamidoamine dendrimer (PAMAM) and gold nanoparticles (AuNPs). Importantly, we first proved that the ECL signal of the CTM/S2O82- system could be enhanced by the PAMAM electric field. As the electron transfer rate was accelerated by the AuNP layer, this ECL signal was further enhanced in AuNP-modified electrodes. The ECL immunosensor showed desirable performance for PCSK9 analysis within a detection range of 50 fg mL-1 to 10 ng mL-1 and a low limit of detection of 19.12 ± 2.69 fg mL-1. Real sample detection suggested that the immunosensor holds great potential for analyzing clinical serum samples.
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Affiliation(s)
| | | | - Chengli Zhang
- The First People's Hospital of Zigong , Zigong , Sichuan 643000 , PR China
| | | | | | | | - Wenming Li
- University-Town Hospital of Chongqing Medical University , Chongqing 400016 , P. R. China
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Dendrimers as Soft Nanomaterials for Electrochemical Immunosensors. NANOMATERIALS 2019; 9:nano9121745. [PMID: 31817938 PMCID: PMC6955849 DOI: 10.3390/nano9121745] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 12/01/2019] [Accepted: 12/03/2019] [Indexed: 11/17/2022]
Abstract
Electrochemical immunosensors are antibody-based affinity biosensors with a high impact on clinical, environmental, food, and pharmaceutical analysis. In general, the analytical performance of these devices is critically determined by the materials and reagents used for their construction, signal production and amplification. Dendrimers are monodisperse and highly branched polymers with three-dimensional structures widely employed as “soft” nanomaterials in electrochemical immunosensor technology. This review provides an overview on the state-of-the-art in dendrimer-based electrochemical immunosensors, focusing on those using polyamidoamine and poly (propylene imine) dendrimers. Special emphasis is given to the most original methods recently reported for the construction of immunosensor architectures incorporating dendrimers, as well as to novel sensing approaches based on dendrimer-assisted signal enhancement strategies.
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42
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Souto DE, Volpe J, Gonçalves CDC, Ramos CH, Kubota LT. A brief review on the strategy of developing SPR-based biosensors for application to the diagnosis of neglected tropical diseases. Talanta 2019; 205:120122. [DOI: 10.1016/j.talanta.2019.120122] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 07/03/2019] [Accepted: 07/05/2019] [Indexed: 12/22/2022]
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Yang J, Zhang Z, Pang W, Chen H, Yan G. Polyamidoamine dendrimers functionalized magnetic carbon nanotubes as an efficient adsorbent for the separation of flavonoids from plant extraction. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.115710] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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44
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Bao X, Wu Q, Shi W, Wang W, Yu H, Zhu Z, Zhang X, Zhang Z, Zhang R, Cui F. Polyamidoamine dendrimer grafted forward osmosis membrane with superior ammonia selectivity and robust antifouling capacity for domestic wastewater concentration. WATER RESEARCH 2019; 153:1-10. [PMID: 30684821 DOI: 10.1016/j.watres.2018.12.067] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 12/22/2018] [Accepted: 12/25/2018] [Indexed: 06/09/2023]
Abstract
Developing a forward osmosis (FO) membrane with superior ammonia selectivity and robust antifouling performance is important for treating domestic wastewater (DW) but challenging due to the similar polarities and hydraulic radii of NH4+ and water molecules. Herein, we investigated the feasibility of using polyamidoamine (PAMAM) dendrimer to simultaneously enhance the ammonia rejection rate and antifouling capacity of the thin-film composite (TFC) FO membrane. PAMAM dendrimer with abundant, easily-protonated, terminal amine groups was grafted on TFC-FO membrane surface via covalent bonds, which inspired the TFC-FO membrane surface with appreciable Zeta potential (isoelectric point: pH = 5.5) and outstanding hydrophilicity (water contact angle: 39.83 ± 0.57°). Benefiting from the electrostatic repulsion between the protonated amine layer and NH4+-N as well as the concentration-induced diffusion resistance, the introduction of PAMAM dendrimer endowed the grafted membrane with a superior NH4+-N rejection rate of 98.23% and a significantly reduced the reverse solute flux when using NH4Cl solutions as feed solution. Meanwhile, the perfect balance between the electrostatic repulsion to positively-charged micromoleculer ions (metal ions and NH4+-N) and the electrostatic attraction to negatively-charged macromolecular organic foulants together with the hydrophilic nature of amine groups facilitated the enhancement of the grafted membranes in antifouling capacity and hence the NH4+-N selectivity (rejection rate of 91.81%) during the concentration of raw DW. The overall approach of this work opens up a frontier for preparation of ammonia-selective and antifouling TFC-FO membrane.
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Affiliation(s)
- Xian Bao
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Qinglian Wu
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Wenxin Shi
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China; College of Urban Construction and Environmental Engineering, Chongqing University, Chongqing, 400044, PR China.
| | - Wei Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Huarong Yu
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Zhigao Zhu
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Xinyu Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Zhiqiang Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Ruijun Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Fuyi Cui
- State Key Laboratory of Urban Water Resource and Environment, School of Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, PR China; College of Urban Construction and Environmental Engineering, Chongqing University, Chongqing, 400044, PR China.
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45
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Senel M, Dervisevic M, Kokkokoğlu F. Electrochemical DNA biosensors for label-free breast cancer gene marker detection. Anal Bioanal Chem 2019; 411:2925-2935. [PMID: 30957202 DOI: 10.1007/s00216-019-01739-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/21/2019] [Accepted: 02/28/2019] [Indexed: 11/30/2022]
Abstract
We present an electrochemical DNA detection strategy based on self-assembled ferrocene-cored poly(amidoamine) dendrimers for the detection of a gene relevant to breast cancer. The chemisorption of three ferrocene-cored poly(amidoamine) generations and hybridization of single-stranded DNA on a Au electrode were studied by cyclic voltammetry and differential pulse voltammetry. The biosensor demonstrated high sensitivity of 0.13 μA/(ng/ml) in the detection of the target DNA with a linear range of 1.3-20 nM and a detection limit of 0.38 nM. The DNA biosensor also has high selectivity for the target DNA, showing a clear signal difference from a noncomplementary sequence and a single-base-mismatch sequence, which was used as a model of BRAC1 gene mutation. The results shown are highly motivating for exploring DNA biosensing technology in the diagnosis of breast cancer caused by mutation of the BRAC1 gene. Graphical abstract.
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Affiliation(s)
- Mehmet Senel
- SANKARA Brain & Biotechnology Research Center, Nanoyasam Nanobiotechnology Company, Technocity, Avcılar, 34320, Istanbul, Turkey.
| | - Muamer Dervisevic
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, 3052, Australia
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46
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Liu F, Li T, Zhang L, Xiang G, Jiang D, Tu D, Liu L, Li Y, Liu C, Pu X. PAMAM/polyhedral nanogold-modified probes with DNAase catalysis for the amperometric electrochemical detection of metastasis-associated lung adenocarcinoma transcript 1. J Biol Eng 2019; 13:21. [PMID: 30886644 PMCID: PMC6404345 DOI: 10.1186/s13036-019-0149-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 02/13/2019] [Indexed: 12/15/2022] Open
Abstract
Abstract Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a long non coding RNA (lncRNA) present in serum, is an important biomarker for detecting hepatocellular carcinoma (HCC). However, there are some shortcomings in current detection methods. So developing other novel MALAT1 detection methods is necessary. Electrochemical biosensors using different types of nanomaterials with various advantages may provide a suitable method for detection. Here, a new strategy for MALAT1 detection was proposed based on polyhedral nanogold-polyamide-amine dendrimers (PNG-PAMAMs). The SWCNH/Au composite was used as a capture probe immobilization matrix, and PNG-PAMAM was used as a trace label for the detection probe (DP). The strategy takes advantage of the ability of the surface of PNG to bind a capture probe whose sequence contains (GGG)3 trimer that can bind DNAzyme hemin. Moreover, PNG may carry abundant horseradish peroxidases (HRPs) to block excess nonspecific adsorption sites, with synergistic hemin catalysis. The results show that the biosensor provides ultrasensitive detection of MALAT1 with a remarkable catalytic effect. The enhanced biosensor has a detection limit of 0.22 fmol·mL− 1 for MALAT1, and the linear calibration of the biosensor ranged from 1 fmol·mL− 1 to 100 pmol·mL− 1. In addition, the electrochemical biosensor has desirable qualities compared to other detectors; for instance, it is inexpensive, highly stable, and sensitive and has good reproducibility. This assay was also successfully applied to the detection of MALAT1 in serum samples, demonstrating that the technology has potential application in the detection of MALAT1 for clinical HCC diagnosis. Graphical Abstract The schematic presentation ilustrates MALATI detection by biosensor with differential pulse stripping voltammetry. Polyhedral nanogold-PAMAM/horseradish peroxidases (PNG-PAMAM/HRP) detection probe with DNAzyme (hemin) sites was applied to determine MALATI. Signal was amplified by hemin/HRP/H2O2 catalytic system.![]() Electronic supplementary material The online version of this article (10.1186/s13036-019-0149-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Fei Liu
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Tao Li
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Liqun Zhang
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Guiming Xiang
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Dongneng Jiang
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Dianji Tu
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Linlin Liu
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Yi Li
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Chang Liu
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
| | - Xiaoyun Pu
- Department of Clinical Laboratory, the Second Affiliated Hospital of the Army Medical University, Chongqing, 400037 China
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Vahidzadeh R, Khorram M, Shariati A. Model modification for equilibrium swelling of highly branched polyamine macromonomers. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-018-2438-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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48
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Fischer-Durand N, Lizinska D, Guérineau V, Rudolf B, Salmain M. ‘Clickable’ cyclopentadienyl iron carbonyl complexes for bioorthogonal conjugation of mid-infrared labels to a model protein and PAMAM dendrimer. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4798] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Nathalie Fischer-Durand
- CNRS, Institut Parisien de Chimie Moléculaire (IPCM); Sorbonne Université; 4 place Jussieu 75005 Paris France
| | - Daria Lizinska
- Department of Organic Chemistry; University of Lodz; Tamka 12 91-403 Lodz Poland
| | - Vincent Guérineau
- Institut de Chimie des Substances Naturelles, CNRS UPR2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette Cedex France
| | - Bogna Rudolf
- Department of Organic Chemistry; University of Lodz; Tamka 12 91-403 Lodz Poland
| | - Michèle Salmain
- CNRS, Institut Parisien de Chimie Moléculaire (IPCM); Sorbonne Université; 4 place Jussieu 75005 Paris France
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49
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Giri A, Bhowmick R, Prodhan C, Majumder D, Bhattacharya SK, Ali M. Synthesis and characterization of biopolymer based hybrid hydrogel nanocomposite and study of their electrochemical efficacy. Int J Biol Macromol 2019; 123:228-238. [DOI: 10.1016/j.ijbiomac.2018.11.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Revised: 10/31/2018] [Accepted: 11/02/2018] [Indexed: 01/20/2023]
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50
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Layer-by-layer assembled gold nanoparticles/lower-generation (Gn≤3) polyamidoamine dendrimers-grafted reduced graphene oxide nanohybrids with 3D fractal architecture for fast, ultra-trace, and label-free electrochemical gene nanobiosensors. Biosens Bioelectron 2018; 120:55-63. [DOI: 10.1016/j.bios.2018.08.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/08/2018] [Accepted: 08/13/2018] [Indexed: 01/03/2023]
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