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Wang F, Xiao M, Qi J, Zhu L. Paper-based fluorescence sensor array with functionalized carbon quantum dots for bacterial discrimination using a machine learning algorithm. Anal Bioanal Chem 2024; 416:3139-3148. [PMID: 38632131 PMCID: PMC11068836 DOI: 10.1007/s00216-024-05262-4] [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: 01/05/2024] [Revised: 03/05/2024] [Accepted: 03/21/2024] [Indexed: 04/19/2024]
Abstract
The rapid discrimination of bacteria is currently an emerging trend in the fields of food safety, medical detection, and environmental observation. Traditional methods often require lengthy culturing processes, specialized analytical equipment, and bacterial recognition receptors. In response to this need, we have developed a paper-based fluorescence sensor array platform for identifying different bacteria. The sensor array is based on three unique carbon quantum dots (CQDs) as sensing units, each modified with a different antibiotic (polymyxin B, ampicillin, and gentamicin). These antibiotic-modified CQDs can aggregate on the bacterial surface, triggering aggregation-induced fluorescence quenching. The sensor array exhibits varying fluorescent responses to different bacterial species. To achieve low-cost and portable detection, CQDs were formulated into fluorescent ink and used with an inkjet printer to manufacture paper-based sensor arrays. A smartphone was used to collect the responses generated by the bacteria and platform. Diverse machine learning algorithms were utilized to discriminate bacterial types. Our findings showcase the platform's remarkable capability to differentiate among five bacterial strains, within a detection range spanning from 1.0 × 103 CFU/mL to 1.0 × 107 CFU/mL. Its practicality is further validated through the accurate identification of blind bacterial samples. With its cost-effectiveness, ease of fabrication, and high degree of integration, this platform holds significant promise for on-site detection of diverse bacteria.
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Affiliation(s)
- Fangbin Wang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Minghui Xiao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Jing Qi
- Department of Chemistry, National University of Singapore, Singapore, 117543, Singapore.
| | - Liang Zhu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China.
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2
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Kim Y, Oh KT, Youn YS, Lee ES. Polymyxin B/chlorine e6 conjugated hyaluronate dot particles for antimicrobial photodynamic therapy. POLYM ADVAN TECHNOL 2023. [DOI: 10.1002/pat.5988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Yoonyoung Kim
- Department of Biotechnology The Catholic University of Korea Bucheon‐si Republic of Korea
| | - Kyung Taek Oh
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
| | - Yu Seok Youn
- School of Pharmacy Sungkyunkwan University Suwon‐si Republic of Korea
| | - Eun Seong Lee
- Department of Biotechnology The Catholic University of Korea Bucheon‐si Republic of Korea
- Department of Biomedical‐Chemical Engineering The Catholic University of Korea Bucheon‐si Republic of Korea
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3
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A Fluorescence-Polarization-Based Lipopolysaccharide-Caspase-4 Interaction Assay for the Development of Inhibitors. Molecules 2022; 27:molecules27082458. [PMID: 35458656 PMCID: PMC9032125 DOI: 10.3390/molecules27082458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/08/2022] [Accepted: 04/09/2022] [Indexed: 02/01/2023] Open
Abstract
Recognition of intracellular lipopolysaccharide (LPS) by Caspase-4 (Casp-4) is critical for host defense against Gram-negative pathogens. LPS binds to the N-terminal caspase activation and recruitment domain (CARD) of procaspase-4, leading to auto-proteolytic activation followed by pro-inflammatory cytokine release and pyroptotic cell death. Aberrant hyper-activation of Casp-4 leads to amplification of the inflammatory response linked to sepsis. While the active site of a caspase has been targeted with peptide inhibitors, inhibition of LPS–Casp-4 interaction is an emerging strategy for the development of selective inhibitors with a new mode of action for treating infectious diseases and sepsis induced by LPS. In this study, a high-throughput screening (HTS) system based on fluorescence polarization (FP) was devised to identify inhibitors of the LPS and Casp-4 interaction. Using HTS and IC50 determination and subsequently showing inhibited Casp-4 activity, we demonstrated that the LPS–Casp-4 interaction is a druggable target for Casp-4 inhibition and possibly a non-canonical inflammatory pathway.
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HASHIMOTO T, TABUCHI N, HAYASHITA T. Phosphate Derivative Recognition Using Polyamide Amine Dendrimer Reagent Modified by Dipicorylamine Ligand. BUNSEKI KAGAKU 2022. [DOI: 10.2116/bunsekikagaku.71.167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Takeshi HASHIMOTO
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University
| | - Naoto TABUCHI
- Graduate Program in Science and Technology (Chemistry Division), Graduate School of Science and Technology, Sophia University
| | - Takashi HAYASHITA
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University
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5
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Li W, Thian ES, Wang M, Wang Z, Ren L. Surface Design for Antibacterial Materials: From Fundamentals to Advanced Strategies. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2100368. [PMID: 34351704 PMCID: PMC8498904 DOI: 10.1002/advs.202100368] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/27/2021] [Indexed: 05/14/2023]
Abstract
Healthcare-acquired infections as well as increasing antimicrobial resistance have become an urgent global challenge, thus smart alternative solutions are needed to tackle bacterial infections. Antibacterial materials in biomedical applications and hospital hygiene have attracted great interest, in particular, the emergence of surface design strategies offer an effective alternative to antibiotics, thereby preventing the possible development of bacterial resistance. In this review, recent progress on advanced surface modifications to prevent bacterial infections are addressed comprehensively, starting with the key factors against bacterial adhesion, followed by varying strategies that can inhibit biofilm formation effectively. Furthermore, "super antibacterial systems" through pre-treatment defense and targeted bactericidal system, are proposed with increasing evidence of clinical potential. Finally, the advantages and future challenges of surface strategies to resist healthcare-associated infections are discussed, with promising prospects of developing novel antimicrobial materials.
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Affiliation(s)
- Wenlong Li
- Department of BiomaterialsState Key Lab of Physical Chemistry of Solid SurfaceCollege of MaterialsXiamen UniversityXiamen361005P. R. China
| | - Eng San Thian
- Department of Mechanical EngineeringNational University of SingaporeSingapore117576Singapore
| | - Miao Wang
- Department of BiomaterialsState Key Lab of Physical Chemistry of Solid SurfaceCollege of MaterialsXiamen UniversityXiamen361005P. R. China
| | - Zuyong Wang
- College of Materials Science and EngineeringHunan UniversityChangsha410082P. R. China
| | - Lei Ren
- Department of BiomaterialsState Key Lab of Physical Chemistry of Solid SurfaceCollege of MaterialsXiamen UniversityXiamen361005P. R. China
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6
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Harvey DJ. ANALYSIS OF CARBOHYDRATES AND GLYCOCONJUGATES BY MATRIX-ASSISTED LASER DESORPTION/IONIZATION MASS SPECTROMETRY: AN UPDATE FOR 2015-2016. MASS SPECTROMETRY REVIEWS 2021; 40:408-565. [PMID: 33725404 DOI: 10.1002/mas.21651] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/24/2020] [Indexed: 06/12/2023]
Abstract
This review is the ninth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2016. Also included are papers that describe methods appropriate to analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation and arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals. Much of this material is presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions and applications to chemical synthesis. The reported work shows increasing use of combined new techniques such as ion mobility and the enormous impact that MALDI imaging is having. MALDI, although invented over 30 years ago is still an ideal technique for carbohydrate analysis and advancements in the technique and range of applications show no sign of deminishing. © 2020 Wiley Periodicals, Inc.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Roosevelt Drive, Oxford, OX3 7FZ, United Kingdom
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7
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Targeted polymer-based antibiotic delivery system: A promising option for treating bacterial infections via macromolecular approaches. Prog Polym Sci 2021. [DOI: 10.1016/j.progpolymsci.2021.101389] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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8
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Abstract
Therapeutic nanomaterials serve as an important platform for drug delivery under image guidance. Despite significant growth and broad applications, their design specifics remain a subject of continued interest primarily due to multifunctional factors involved, ranging from nanomaterial properties, imaging modalities, and therapeutic agents to activation strategies. This review article summarizes key findings on their design characteristics with a particular interest in strategies developed for therapeutic activation (release). First, their activation can be controlled using either an endogenous factor including low pH and glutathione or an external stimulation by light, ultrasound, or electromagnetic field. The former is passively controlled from a spatiotemporal aspect compared to the latter, which is otherwise actively controlled through drug linker photolysis, nanomaterial disassembly, or gate opening. Second, light stimulation serves a most notable strategy due to its essential role in controlled drug release, photothermal activation (hyperthermia), and photodynamic production of reactive oxygen species (ROS). Third, some of those activation strategies that rely on ultrasound, photothermal, photoacoustic, magnetic field, or X-ray radiation are dually functional due to their role in imaging modalities. In summary, this review article presents recent advances and new insights that pertain to nanotherapeutic delivery systems. It also addresses their technical limitations associated with tissue penetration (light), spatial resolution (ultrasound, hyperthermia), and occurrence of cellular resistance (ROS).
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9
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Choi SK. Photoactivation Strategies for Therapeutic Release in Nanodelivery Systems. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000117] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Seok Ki Choi
- Michigan Nanotechnology Institute for Medicine and Biological Sciences University of Michigan Medical School Ann Arbor MI 48109 USA
- Department of Internal Medicine University of Michigan Medical School Ann Arbor MI 48109 USA
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10
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Tsuchido Y, Horiuchi R, Hashimoto T, Ishihara K, Kanzawa N, Hayashita T. Rapid and Selective Discrimination of Gram-Positive and Gram-Negative Bacteria by Boronic Acid-Modified Poly(amidoamine) Dendrimer. Anal Chem 2019; 91:3929-3935. [PMID: 30652471 DOI: 10.1021/acs.analchem.8b04870] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
There is an urgent need to develop a rapid and selective method for the detection of bacteria because delayed diagnosis and the overuse of antibiotics have triggered drug resistance in bacteria. To this end, we prepared boronic acid-modified poly(amidoamine) generation 4 (B-PAMAM(G4)) dendrimer as cross-linking molecules that form aggregates with bacteria. Within 5 min of adding B-PAMAM(G4) dendrimer solution to a bacterial suspension, large aggregates were observed. Interestingly, the aggregate formation with various bacteria was pH-dependent. In basic pH, both Gram-positive and Gram-negative bacteria formed aggregates, but in neutral pH, only Gram-positive bacteria formed aggregates. We revealed that this bacteria-selective aggregation involved the bacterial surface recognition of the phenylboronic acid moiety of B-PAMAM(G4) dendrimer. In addition, we demonstrated that the spherical structure of B-PAMAM(G4) was one of the important factors for the formation of large aggregates. The aggregation was also observed in the presence of ≤10 mM fructose. B-PAMAM(G4) dendrimer is expected to be a powerful tool for the rapid and selective discrimination between Gram-positive and Gram-negative bacteria.
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Affiliation(s)
- Yuji Tsuchido
- Department of Materials and Life Sciences, Faculty of Science and Technology , Sophia University , 7-1 Kioi-cho , Chiyoda-ku , Tokyo 102-8554 , Japan
| | - Ryosuke Horiuchi
- Department of Materials and Life Sciences, Faculty of Science and Technology , Sophia University , 7-1 Kioi-cho , Chiyoda-ku , Tokyo 102-8554 , Japan
| | - Takeshi Hashimoto
- Department of Materials and Life Sciences, Faculty of Science and Technology , Sophia University , 7-1 Kioi-cho , Chiyoda-ku , Tokyo 102-8554 , Japan
| | - Kanako Ishihara
- Cooperative Department of Veterinary Medicine, Faculty of Agriculture , Tokyo University of Agriculture and Technology , 3-5-8 Saiwai-cho , Fuchu-shi , Tokyo 183-8509 , Japan
| | - Nobuyuki Kanzawa
- Department of Materials and Life Sciences, Faculty of Science and Technology , Sophia University , 7-1 Kioi-cho , Chiyoda-ku , Tokyo 102-8554 , Japan
| | - Takashi Hayashita
- Department of Materials and Life Sciences, Faculty of Science and Technology , Sophia University , 7-1 Kioi-cho , Chiyoda-ku , Tokyo 102-8554 , Japan
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11
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Beaussart A, Beloin C, Ghigo JM, Chapot-Chartier MP, Kulakauskas S, Duval JFL. Probing the influence of cell surface polysaccharides on nanodendrimer binding to Gram-negative and Gram-positive bacteria using single-nanoparticle force spectroscopy. NANOSCALE 2018; 10:12743-12753. [PMID: 29946619 DOI: 10.1039/c8nr01766b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The safe use and design of nanoparticles (NPs) ask for a comprehensive interpretation of their potentially adverse effects on (micro)organisms. In this respect, the prior assessment of the interactions experienced by NPs in the vicinity of - and in contact with - complex biological surfaces is mandatory. It requires the development of suitable techniques for deciphering the processes that govern nano-bio interactions when a single organism is exposed to an extremely low dose of NPs. Here, we used atomic force spectroscopy (AFM)-based force measurements to investigate at the nanoscale the interactions between carboxylate-terminated polyamidoamine (PAMAM) nanodendrimers (radius ca. 4.5 nm) and two bacteria with very distinct surface properties, Escherichia coli and Lactococcus lactis. The zwitterionic nanodendrimers exhibit a negative peripheral surface charge and/or a positive intraparticulate core depending on the solution pH and salt concentration. Following an original strategy according to which a single dendrimer NP is grafted at the very apex of the AFM tip, the density and localization of NP binding sites are probed at the surface of E. coli and L. lactis mutants expressing different cell surface structures (presence/absence of the O-antigen of the lipopolysaccharides (LPS) or of a polysaccharide pellicle). In line with electrokinetic analysis, AFM force measurements evidence that adhesion of NPs onto pellicle-decorated L. lactis is governed by their underlying electrostatic interactions as controlled by the pH-dependent charge of the peripheral and internal NP components, and the negatively-charged cell surface. In contrast, the presence of the O-antigen on E. coli systematically suppresses the adhesion of nanodendrimers onto cells, may the apparent NP surface charge be determined by the peripheral carboxylate groups or by the internal amine functions. Altogether, this work highlights the differentiated roles played by surface polysaccharides in mediating NP attachment to Gram-positive and Gram-negative bacteria. It further demonstrates that the assessment of NP bioadhesion features requires a critical analysis of the electrostatic contributions stemming from the various structures composing the stratified cell envelope, and those originating from the bulk and surface NP components. The joint use of electrokinetics and AFM provides a valuable option for rapidly addressing the binding propensity of NPs to microorganisms, as urgently needed in NP risk assessments.
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12
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Peterson E, Joseph C, Peterson H, Bouwman R, Tang S, Cannon J, Sinniah K, Choi SK. Measuring the Adhesion Forces for the Multivalent Binding of Vancomycin-Conjugated Dendrimer to Bacterial Cell-Wall Peptide. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:7135-7146. [PMID: 29792710 DOI: 10.1021/acs.langmuir.8b01137] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Multivalent ligand-receptor interaction provides the fundamental basis for the hypothetical notion that high binding avidity relates to the strong force of adhesion. Despite its increasing importance in the design of targeted nanoconjugates, an understanding of the physical forces underlying the multivalent interaction remains a subject of urgent investigation. In this study, we designed three vancomycin (Van)-conjugated dendrimers G5(Van) n ( n = mean valency = 0, 1, 4) for bacterial targeting with generation 5 (G5) poly(amidoamine) dendrimer as a multivalent scaffold and evaluated both their binding avidity and physical force of adhesion to a bacterial model surface by employing surface plasmon resonance (SPR) spectroscopy and atomic force microscopy. The SPR experiment for these conjugates was performed in a biosensor chip surface immobilized with a bacterial cell-wall peptide Lys-d-Ala-d-Ala. Of these, G5(Van)4 bound most tightly with a KD of 0.34 nM, which represents an increase in avidity by 2 or 3 orders of magnitude relative to a monovalent conjugate G5(Van)1 or free vancomycin, respectively. By single-molecule force spectroscopy, we measured the adhesion force between G5(Van) n and the same cell-wall peptide immobilized on the surface. The distribution of adhesion forces increased in proportion to vancomycin valency with the mean force of 134 pN at n = 4 greater than 96 pN at n = 1 at a loading rate of 5200 pN/s. In summary, our results are strongly supportive of the positive correlation between the avidity and adhesion force in the multivalent interaction of vancomycin nanoconjugates.
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Affiliation(s)
- Elizabeth Peterson
- Department of Chemistry & Biochemistry , Calvin College , Grand Rapids , Michigan 49546 , United States
| | | | - Hannah Peterson
- Department of Chemistry & Biochemistry , Calvin College , Grand Rapids , Michigan 49546 , United States
| | - Rachael Bouwman
- Department of Chemistry & Biochemistry , Calvin College , Grand Rapids , Michigan 49546 , United States
| | | | | | - Kumar Sinniah
- Department of Chemistry & Biochemistry , Calvin College , Grand Rapids , Michigan 49546 , United States
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Affiliation(s)
- Melanie A. Hutnick
- Department of Macromolecular Science and Engineering, Case School of Engineering, Case Western Reserve University, Cleveland, OH 44106, United States
| | - Jonathan K. Pokorski
- Department of Macromolecular Science and Engineering, Case School of Engineering, Case Western Reserve University, Cleveland, OH 44106, United States
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14
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Galstyan A, Schiller R, Dobrindt U. Boronic Acid Functionalized Photosensitizers: A Strategy To Target the Surface of Bacteria and Implement Active Agents in Polymer Coatings. Angew Chem Int Ed Engl 2017; 56:10362-10366. [PMID: 28675648 DOI: 10.1002/anie.201703398] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/29/2017] [Indexed: 02/04/2023]
Abstract
Advanced methods for preventing and controlling hospital-acquired infections via eradication of free-floating bacteria and bacterial biofilms are of great interest. In this regard, the attractiveness of unconventional treatment modalities such as antimicrobial photodynamic therapy (aPDT) continues to grow. This study investigated a new and innovative strategy for targeting polysaccharides found on the bacterial cell envelope and the biofilm matrix using the boronic acid functionalized and highly effective photosensitizer (PS) silicon(IV) phthalocyanine. This strategy has been found to be successful in treating planktonic cultures and biofilms of Gram-negative E. coli. An additional advantage of boronic acid functionality is a possibility to anchor the tailor made PS to poly(vinyl alcohol) and to fabricate a self-disinfecting coating.
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Affiliation(s)
- Anzhela Galstyan
- Center for Nanotechnology, Physikalisches Institut, Westfälische Wilhelms-Universität Münster, Heisenbergstrasse 11, 48149, Münster, Germany
| | - Roswitha Schiller
- Institut für Hygiene, Westfälische Wilhelms-Universität Münster, Mendelstrasse 7, 48149, Münster, Germany
| | - Ulrich Dobrindt
- Institut für Hygiene, Westfälische Wilhelms-Universität Münster, Mendelstrasse 7, 48149, Münster, Germany
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15
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Galstyan A, Schiller R, Dobrindt U. Boronic Acid Functionalized Photosensitizers: A Strategy To Target the Surface of Bacteria and Implement Active Agents in Polymer Coatings. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703398] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Anzhela Galstyan
- Center for Nanotechnology, Physikalisches Institut; Westfälische Wilhelms-Universität Münster; Heisenbergstrasse 11 48149 Münster Germany
| | - Roswitha Schiller
- Institut für Hygiene; Westfälische Wilhelms-Universität Münster; Mendelstrasse 7 48149 Münster Germany
| | - Ulrich Dobrindt
- Institut für Hygiene; Westfälische Wilhelms-Universität Münster; Mendelstrasse 7 48149 Münster Germany
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16
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Nanoparticle targeting of Gram-positive and Gram-negative bacteria for magnetic-based separations of bacterial pathogens. APPLIED NANOSCIENCE 2017. [DOI: 10.1007/s13204-017-0548-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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17
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Wong PT, Tang S, Mukherjee J, Tang K, Gam K, Isham D, Murat C, Sun R, Baker JR, Choi SK. Light-controlled active release of photocaged ciprofloxacin for lipopolysaccharide-targeted drug delivery using dendrimer conjugates. Chem Commun (Camb) 2016; 52:10357-60. [PMID: 27476878 PMCID: PMC4987215 DOI: 10.1039/c6cc05179k] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
We report an active delivery mechanism targeted specifically to Gram(-) bacteria based on the photochemical release of photocaged ciprofloxacin carried by a cell wall-targeted dendrimer nanoconjugate.
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Affiliation(s)
- Pamela T Wong
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA. and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Shengzhuang Tang
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA. and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Jhindan Mukherjee
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA. and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Kenny Tang
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Kristina Gam
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Danielle Isham
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Claire Murat
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Rachel Sun
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - James R Baker
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA. and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Seok Ki Choi
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA. and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
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Abstract
Current directions and emerging possibilities under investigation for the integration of synthetic and semi-synthetic multivalent architectures with biology are discussed. Attention is focussed around multivalent interactions, their fundamental role in biology, and current and potential approaches in emulating them in terms of structure and functionality using synthetic architectures.
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Affiliation(s)
- Eugene Mahon
- Conway Institute for Biomolecular and Biomedical Science, Belfield, Dublin 4, Ireland.
| | - Mihail Barboiu
- Adaptative Supramolecular Nanosystems Group, Institut Européen des Membranes, ENSCM/UMII/UMR-CNRS 5635, Pl. Eugène Bataillon, CC 047, 34095 Montpellier, Cedex 5, France.
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19
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Mukherjee J, Wong PT, Tang S, Gam K, Coulter A, Baker JR, Choi SK. Mechanism of Cooperativity and Nonlinear Release Kinetics in Multivalent Dendrimer–Atropine Complexes. Mol Pharm 2015; 12:4498-508. [DOI: 10.1021/acs.molpharmaceut.5b00684] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Jhindan Mukherjee
- Michigan
Nanotechnology Institute
for Medicine and Biological Sciences, and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Pamela T. Wong
- Michigan
Nanotechnology Institute
for Medicine and Biological Sciences, and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Shengzhuang Tang
- Michigan
Nanotechnology Institute
for Medicine and Biological Sciences, and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Kristina Gam
- Michigan
Nanotechnology Institute
for Medicine and Biological Sciences, and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Alexa Coulter
- Michigan
Nanotechnology Institute
for Medicine and Biological Sciences, and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - James R. Baker
- Michigan
Nanotechnology Institute
for Medicine and Biological Sciences, and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Seok Ki Choi
- Michigan
Nanotechnology Institute
for Medicine and Biological Sciences, and Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
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