1
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Ramanthrikkovil Variyam A, Stolov M, Feng J, Amdursky N. Solid-State Molecular Protonics Devices of Solid-Supported Biological Membranes Reveal the Mechanism of Long-Range Lateral Proton Transport. ACS NANO 2024; 18:5101-5112. [PMID: 38314693 PMCID: PMC10867892 DOI: 10.1021/acsnano.3c11990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/27/2024] [Accepted: 01/30/2024] [Indexed: 02/07/2024]
Abstract
Lateral proton transport (PT) on the surface of biological membranes is a fundamental biochemical process in the bioenergetics of living cells, but a lack of available experimental techniques has resulted in a limited understanding of its mechanism. Here, we present a molecular protonics experimental approach to investigate lateral PT across membranes by measuring long-range (70 μm) lateral proton conduction via a few layers of lipid bilayers in a solid-state-like environment, i.e., without having bulk water surrounding the membrane. This configuration enables us to focus on lateral proton conduction across the surface of the membrane while decoupling it from bulk water. Hence, by controlling the relative humidity of the environment, we can directly explore the role of water in the lateral PT process. We show that proton conduction is dependent on the number of water molecules and their structure and on membrane composition, where we explore the role of the headgroup, the tail saturation, the membrane phase, and membrane fluidity. The measured PT as a function of temperature shows an inverse temperature dependency, which we explain by the desorption and adsorption of water molecules into the solid membrane platform. We explain our findings by discussing the role of percolating hydrogen bonding within the membrane structure in a Grotthuss-like mechanism.
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Affiliation(s)
| | - Mikhail Stolov
- Wolfson
Department of Chemical Engineering, Technion
− Israel Institute of Technology, Haifa 3200003, Israel
| | - Jiajun Feng
- Schulich
Faculty of Chemistry, Technion −
Israel Institute of Technology, Haifa 3200003, Israel
| | - Nadav Amdursky
- Schulich
Faculty of Chemistry, Technion −
Israel Institute of Technology, Haifa 3200003, Israel
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2
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Zhang H, Wu Z, Zhou J, Wang Z, Yang C, Wang P, Fareed MS, He Y, Su J, Cha R, Wang K. The Antimicrobial, Hemostatic, and Anti-Adhesion Effects of a Peptide Hydrogel Constructed by the All-d-Enantiomer of Antimicrobial Peptide Jelleine-1. Adv Healthc Mater 2023; 12:e2301612. [PMID: 37552211 DOI: 10.1002/adhm.202301612] [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: 05/19/2023] [Revised: 07/21/2023] [Indexed: 08/09/2023]
Abstract
Peptide hydrogels are believed to be potential biomaterials with wide application in the biomedical field because of their good biocompatibility, injectability, and 3D printability. Most of the previously reported polypeptide hydrogels are composed of l-peptides, while the hydrogels formed by self-assembly of d-peptides are rarely reported. Herein, a peptide hydrogel constructed by D-J-1, which is the all-d-enantiomer of antimicrobial peptide Jelleine-1 (J-1) is reported. Field emission scanning electron microscope (FE-SEM) and rheologic study are performed to characterize the hydrogel. Antimicrobial, hemostatic, and anti-adhesion studies are carried out to evaluate its biofunction. The results show that D-J-1 hydrogel is formed by self-assembly and cross-linking driven by hydrogen bonding, hydrophobic interaction, and π-π stacking force of aromatic ring in the structure of D-J-1. It exhibits promising antimicrobial activity, hemostatic activity, and anti-adhesion efficiency in a rat sidewall defect-cecum abrasion model. In addition, it also exhibits good biocompatibility. Notably, D-J-1 hydrogel shows improved in vitro and in vivo stability when compared with its l-enantiomer J-1 hydrogel. Therefore, the present study will provide new insight into the application of d-peptide hydrogel, and provides a new peptide hydrogel with antibacterial, hemostatic, and anti-adhesion efficacy for clinical use.
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Affiliation(s)
- Hanru Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
- Department of Obstetrics & Gynecology, Gansu Provincial Maternity and Child Care Hospital, North Road 143, Qilihe District, Lanzhou, 730000, P. R. China
| | - Zhiyu Wu
- The First School of Clinical Medicine, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Jingjing Zhou
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Zhaopeng Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Changyan Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Panpan Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Muhammad Subaan Fareed
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Yuhang He
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Jie Su
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
| | - Ruitao Cha
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for NanoScience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing, 100190, P. R. China
| | - Kairong Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences 2019RU066, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, P. R. China
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3
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Bellotto O, Pierri G, Rozhin P, Polentarutti M, Kralj S, D'Andrea P, Tedesco C, Marchesan S. Dipeptide self-assembly into water-channels and gel biomaterial. Org Biomol Chem 2022; 20:6211-6218. [PMID: 35575102 DOI: 10.1039/d2ob00622g] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Dipeptides are convenient building blocks for supramolecular gel biomaterials that can be produced on a large scale at low cost and do not persist in the environment. In the case of unprotected sequences, hydrophobicity is a key requirement to enable gelation, with Phe-Phe standing out for its self-assembling ability. Conversely, more hydrophilic sequences such as homochiral dipeptides Phe-Val and Val-Phe neither fibrillate nor gel aqueous buffers and their crystal structures reveal amphipathic layers. In this work, we test emerging rules for the design of self-assembling dipeptides using heterochiral Phe-Val and Val-Phe. Each dipeptide is characterized by 1H- and 13C-NMR, LC-MS, circular dichroism, infrared and Raman spectroscopies, rheology, electron microscopy, and single-crystal X-ray diffraction. In particular, D-Phe-L-Val is the first heterochiral dipeptide to self-assemble into supramolecular water-channels whose cavity is defined by four peptide molecules arranged head-to-tail. This minimalistic sequence is devoid of amyloid character as probed by thioflavin T fluorescence and it displays excellent biocompatibility in vitro. The dataset provided, through comparison with the literature, significantly advances the definition of molecular design rules for minimalistic unprotected dipeptides that self-assemble into water-channels and biocompatible gels, to assist with the future development of supramolecular biomaterials with fine control over nanomorphological features for a variety of applications.
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Affiliation(s)
- Ottavia Bellotto
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | - Giovanni Pierri
- University of Salerno, Dept. of Chemistry & Biologi "A. Zambelli", Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy.
| | - Petr Rozhin
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | | | - Slavko Kralj
- Jožef Stefan Institute, Materials Synthesis Dept., Jamova 39, 1000 Ljubljana, Slovenia.,University of Ljubljana, Pharmaceutical Technology Dept., Faculty of Pharmacy, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Paola D'Andrea
- University of Trieste, Life Sciences Dept., Via L. Giorgieri 5, 34127 Trieste, Italy
| | - Consiglia Tedesco
- University of Salerno, Dept. of Chemistry & Biologi "A. Zambelli", Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy.
| | - Silvia Marchesan
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
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4
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Raganato L, Del Giudice A, Ceccucci A, Sciubba F, Casciardi S, Sennato S, Scipioni A, Masci G. Self-assembling nanowires from a linear l,d-peptide conjugated to the dextran end group. Int J Biol Macromol 2022; 207:656-665. [PMID: 35292281 DOI: 10.1016/j.ijbiomac.2022.03.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/05/2022] [Accepted: 03/09/2022] [Indexed: 11/28/2022]
Abstract
Preparation and characterization of a block-like l,d-octapeptide-dextran conjugate DEX29-(l-Val-d-Val)4 self-assembling into nanowire structures is reported. The conjugate was prepared by solid phase click-chemistry on an alkyne group N-terminus functionalized peptide with a regularly alternating enantiomeric sequence. Low molecular weight dextran (Xn = 29) with moderately low dispersity (1.30) was prepared by controlled acid hydrolysis and dialysis with selected cut-off and functionalized with an azido group on the reducing end by reductive amination. The strong hydrogen bonds and hydrophobic interactions of the (l-Val-d-Val)4 linear peptide drive the conjugate to self-assemble into long (0.1-1 μm) nanowires. To our knowledge, this is the first example of a peptide-polysaccharide conjugate that can self-assemble into a nanowire architecture.
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Affiliation(s)
- Luca Raganato
- Department of Chemistry, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy
| | - Alessandra Del Giudice
- Department of Chemistry, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy
| | - Anita Ceccucci
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, via Vito Volterra 62, Roma, Italy
| | - Fabio Sciubba
- Department of Environmental biology, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; NMR-based Metabolomics Laboratory (NMLab), Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Stefano Casciardi
- National Institute for Insurance Against Accidents at Work (INAIL Research), Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Rome, Italy
| | - Simona Sennato
- Institute for Complex Systems, National Research Council (ISC-CNR), Sede Sapienza and Department of Physics, Sapienza Università di Roma, P.le A. Moro, 2, 00185, Rome, Italy
| | - Anita Scipioni
- Department of Chemistry, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy.
| | - Giancarlo Masci
- Department of Chemistry, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy.
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5
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Méndez-Ardoy A, Insua I, Granja JR, Montenegro J. Cyclization and Self-Assembly of Cyclic Peptides. Methods Mol Biol 2022; 2371:449-466. [PMID: 34596863 DOI: 10.1007/978-1-0716-1689-5_24] [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] [Indexed: 03/24/2023]
Abstract
Cyclic peptides are a fascinating class of molecules that can be programmed to fold or self-assemble into diverse mono- and multidimensional structures with potential applications in biomedicine, nanoelectronics, or catalysis. Herein we describe on-resin procedures to carry out head-to-tail peptide cyclization based on orthogonal protected linear structures. We also present essential characterization tools for obtaining dynamic and structural information, including the visualization cyclic peptide assembly into nanotubes (AFM, TEM) as well as the use of fluorescence microscopy.
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Affiliation(s)
- Alejandro Méndez-Ardoy
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Ignacio Insua
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Juan R Granja
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Javier Montenegro
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
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6
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Roy S, Zheng L, Silberbush O, Engel M, Atsmon-Raz Y, Miller Y, Migliore A, Beratan DN, Ashkenasy N. Mechanism of Side Chain-Controlled Proton Conductivity in Bioinspired Peptidic Nanostructures. J Phys Chem B 2021; 125:12741-12752. [PMID: 34780197 DOI: 10.1021/acs.jpcb.1c08857] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Bioinspired peptide assemblies are promising candidates for use as proton-conducting materials in electrochemical devices and other advanced technologies. Progress toward applications requires establishing foundational structure-function relationships for transport in these materials. This experimental-theoretical study sheds light on how the molecular structure and proton conduction are linked in three synthetic cyclic peptide nanotube assemblies that comprise the three canonical basic amino acids (lysine, arginine, and histidine). Experiments find an order of magnitude higher proton conductivity for lysine-containing peptide assemblies compared to histidine and arginine containing assemblies. The simulations indicate that, upon peptide assembly, the basic amino acid side chains are close enough to enable direct proton transfer. The proton transfer kinetics is determined in the simulations to be governed by the structure and flexibility of the side chains. Together, experiments and theory indicate that the proton mobility is the main determinant of proton conductivity, critical for the performance of peptide-based devices.
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Affiliation(s)
- Subhasish Roy
- Department of Materials Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
| | - Lianjun Zheng
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Ohad Silberbush
- Department of Materials Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
| | - Maor Engel
- Department of Materials Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
| | - Yoav Atsmon-Raz
- Department of Chemistry, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
| | - Yifat Miller
- Department of Chemistry, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel.,Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
| | - Agostino Migliore
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States.,Department of Chemical Sciences, University of Padova, Via Marzolo, 1, Padova 35131, Italy
| | - David N Beratan
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States.,Department of Physics, Duke University, Durham, North Carolina 27708, United States.,Department of Biochemistry, Duke University, Durham, North Carolina 27710, United States
| | - Nurit Ashkenasy
- Department of Materials Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel.,Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
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7
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Kori DKK, Jadhav RG, Dhruv L, Das AK. A platinum nanoparticle doped self-assembled peptide bolaamphiphile hydrogel as an efficient electrocatalyst for the hydrogen evolution reaction. NANOSCALE ADVANCES 2021; 3:6678-6688. [PMID: 36132646 PMCID: PMC9419667 DOI: 10.1039/d1na00439e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/11/2021] [Indexed: 06/16/2023]
Abstract
Noble metal-based nanomaterials have shown great potential for catalytic application with higher selectivity and activity. Owing to their self-assembly properties with various molecular interactions, peptides play an essential role in the controlled synthesis of noble metal-based catalysts with high surface area. In this work, a phenylalanine (F) and tyrosine (Y) based peptide bolaamphiphile is prepared by solution-phase peptide synthesis. The peptide bolaamphiphile readily self-assembles into a hydrogel with a cross-linked nanofibrillar network. The platinum nanoparticles (Pt NPs) are in situ generated within the cross-linked nanofibrillar network of the hydrogel matrix of the peptide bolaamphiphile. Benefiting from the synergistic properties of the Pt nanoparticles doped on three-dimensional fibrous networks, Pt6@hydrogel shows efficient catalytic activity for the electrochemical hydrogen evolution reaction (HER) in 0.5 M H2SO4 solution. The Pt6@hydrogel requires an overpotential of 45 mV at -10 mA cm-2 with a Tafel slope of 52 mV dec-1. The Pt6@hydrogel also shows electrocatalytic activity in basic and neutral pH solutions. The excellent activity and stability of Pt6@hydrogel for the HER shows great potential for energy conversion applications.
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Affiliation(s)
- Deepak K K Kori
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
| | - Rohit G Jadhav
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
| | - Likhi Dhruv
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
| | - Apurba K Das
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
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8
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Srisomwat C, Yakoh A, Avihingsanon A, Chuaypen N, Tangkijvanich P, Vilaivan T, Chailapakul O. An alternative label-free DNA sensor based on the alternating-current electroluminescent device for simultaneous detection of human immunodeficiency virus and hepatitis C co-infection. Biosens Bioelectron 2021; 196:113719. [PMID: 34706315 DOI: 10.1016/j.bios.2021.113719] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/04/2021] [Accepted: 10/14/2021] [Indexed: 01/02/2023]
Abstract
Coinfection of HIV/HCV is a significant public health issue globally, as it increases the risk of liver cancer in co-infected individuals. The point-of-care testing (POCT) device for HIV/HCV DNA detection is promptly needed for diagnosis and monitoring of the disease progression. Here, the alternating-current electroluminescence (ACEL) technique is proposed as a sensitive POCT sensing platform for HIV/HCV cDNA detection. A conductance-based light emission modulated by the hybridization between a pyrrolidinyl PNA probe and the DNA target enabled the DNA detection in a label-free format. Enhanced electroluminescence was observed in the presence of the target DNA due to the increased proton conductivity. Under the optimal conditions, the linearity range from 1 nM to 1 μM was achieved for HIV and HCV cDNA with LODs of 1.86 pM (HIV cDNA) and 1.96 pM (HCV cDNA). The spiked HIV/HCV cDNA in healthy human serum was successfully detected, demonstrating the feasibility of the developed device for the detection of cDNA in real biological samples. Additionally, simultaneous HIV/HCV cDNA detection on a single ACEL device employing a 2x2-array detection zone design. The cross-reactivity with other viral DNA was shown to be minimal due to the high specificity of the PNA probes used. Finally, the negative and positive samples from the patient's serum were tested and the results were in 100% agreement with the commercial kit based-on real-time PCR method, thus illustrating the high sensitivity and specificity of the developed sensor.
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Affiliation(s)
- Chawin Srisomwat
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Abdulhadee Yakoh
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand; Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Anchalee Avihingsanon
- The HIV Netherlands Australia Thailand Research Collaboration (HIV NAT), Thai Red Cross AIDS Research Centre, 104 Ratchadamri Rd, Pathumwan, Bangkok, 10330, Thailand
| | - Natthaya Chuaypen
- Center of Excellence in Hepatitis and Liver Cancer, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Pisit Tangkijvanich
- Center of Excellence in Hepatitis and Liver Cancer, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Tirayut Vilaivan
- Organic Synthesis Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand.
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9
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Sheehan F, Sementa D, Jain A, Kumar M, Tayarani-Najjaran M, Kroiss D, Ulijn RV. Peptide-Based Supramolecular Systems Chemistry. Chem Rev 2021; 121:13869-13914. [PMID: 34519481 DOI: 10.1021/acs.chemrev.1c00089] [Citation(s) in RCA: 138] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Peptide-based supramolecular systems chemistry seeks to mimic the ability of life forms to use conserved sets of building blocks and chemical reactions to achieve a bewildering array of functions. Building on the design principles for short peptide-based nanomaterials with properties, such as self-assembly, recognition, catalysis, and actuation, are increasingly available. Peptide-based supramolecular systems chemistry is starting to address the far greater challenge of systems-level design to access complex functions that emerge when multiple reactions and interactions are coordinated and integrated. We discuss key features relevant to systems-level design, including regulating supramolecular order and disorder, development of active and adaptive systems by considering kinetic and thermodynamic design aspects and combinatorial dynamic covalent and noncovalent interactions. Finally, we discuss how structural and dynamic design concepts, including preorganization and induced fit, are critical to the ability to develop adaptive materials with adaptive and tunable photonic, electronic, and catalytic properties. Finally, we highlight examples where multiple features are combined, resulting in chemical systems and materials that display adaptive properties that cannot be achieved without this level of integration.
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Affiliation(s)
- Fahmeed Sheehan
- Advanced Science Research Center (ASRC) at the Graduate Center City University of New York 85 St. Nicholas Terrace New York, New York 10031, United States.,Department of Chemistry, Hunter College City University of New York 695 Park Avenue, New York, New York 10065, United States.,Ph.D. Program in Chemistry The Graduate Center of the City University of New York 365 fifth Avenue, New York, New York 10016, United States
| | - Deborah Sementa
- Advanced Science Research Center (ASRC) at the Graduate Center City University of New York 85 St. Nicholas Terrace New York, New York 10031, United States
| | - Ankit Jain
- Advanced Science Research Center (ASRC) at the Graduate Center City University of New York 85 St. Nicholas Terrace New York, New York 10031, United States
| | - Mohit Kumar
- Advanced Science Research Center (ASRC) at the Graduate Center City University of New York 85 St. Nicholas Terrace New York, New York 10031, United States.,Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 10-12, Barcelona 08028, Spain
| | - Mona Tayarani-Najjaran
- Advanced Science Research Center (ASRC) at the Graduate Center City University of New York 85 St. Nicholas Terrace New York, New York 10031, United States.,Department of Chemistry, Hunter College City University of New York 695 Park Avenue, New York, New York 10065, United States.,Ph.D. Program in Chemistry The Graduate Center of the City University of New York 365 fifth Avenue, New York, New York 10016, United States
| | - Daniela Kroiss
- Advanced Science Research Center (ASRC) at the Graduate Center City University of New York 85 St. Nicholas Terrace New York, New York 10031, United States.,Department of Chemistry, Hunter College City University of New York 695 Park Avenue, New York, New York 10065, United States.,Ph.D. Program in Biochemistry The Graduate Center of the City University of New York 365 5th Avenue, New York, New York 10016, United States
| | - Rein V Ulijn
- Advanced Science Research Center (ASRC) at the Graduate Center City University of New York 85 St. Nicholas Terrace New York, New York 10031, United States.,Department of Chemistry, Hunter College City University of New York 695 Park Avenue, New York, New York 10065, United States.,Ph.D. Program in Chemistry The Graduate Center of the City University of New York 365 fifth Avenue, New York, New York 10016, United States.,Ph.D. Program in Biochemistry The Graduate Center of the City University of New York 365 5th Avenue, New York, New York 10016, United States
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10
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Primitive selection of the fittest emerging through functional synergy in nucleopeptide networks. Proc Natl Acad Sci U S A 2021; 118:2015285118. [PMID: 33622789 DOI: 10.1073/pnas.2015285118] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Many fundamental cellular and viral functions, including replication and translation, involve complex ensembles hosting synergistic activity between nucleic acids and proteins/peptides. There is ample evidence indicating that the chemical precursors of both nucleic acids and peptides could be efficiently formed in the prebiotic environment. Yet, studies on nonenzymatic replication, a central mechanism driving early chemical evolution, have focused largely on the activity of each class of these molecules separately. We show here that short nucleopeptide chimeras can replicate through autocatalytic and cross-catalytic processes, governed synergistically by the hybridization of the nucleobase motifs and the assembly propensity of the peptide segments. Unequal assembly-dependent replication induces clear selectivity toward the formation of a certain species within small networks of complementary nucleopeptides. The selectivity pattern may be influenced and indeed maximized to the point of almost extinction of the weakest replicator when the system is studied far from equilibrium and manipulated through changes in the physical (flow) and chemical (template and inhibition) conditions. We postulate that similar processes may have led to the emergence of the first functional nucleic-acid-peptide assemblies prior to the origin of life. Furthermore, spontaneous formation of related replicating complexes could potentially mark the initiation point for information transfer and rapid progression in complexity within primitive environments, which would have facilitated the development of a variety of functions found in extant biological assemblies.
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11
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Jia M, Kim J, Nguyen T, Duong T, Rolandi M. Natural biopolymers as proton conductors in bioelectronics. Biopolymers 2021; 112:e23433. [PMID: 34022064 DOI: 10.1002/bip.23433] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 05/01/2021] [Accepted: 05/03/2021] [Indexed: 12/19/2022]
Abstract
Bioelectronic devices sense or deliver information at the interface between living systems and electronics by converting biological signals into electronic signals and vice-versa. Biological signals are typically carried by ions and small molecules. As such, ion conducting materials are ideal candidates in bioelectronics for an optimal interface. Among these materials, ion conducting polymers that are able to uptake water are particularly interesting because, in addition to ionic conductivity, their mechanical properties can closely match the ones of living tissue. In this review, we focus on a specific subset of ion-conducting polymers: proton (H+ ) conductors that are naturally derived. We first provide a brief introduction of the proton conduction mechanism, and then outline the chemical structure and properties of representative proton-conducting natural biopolymers: polysaccharides (chitosan and glycosaminoglycans), peptides and proteins, and melanin. We then highlight examples of using these biopolymers in bioelectronic devices. We conclude with current challenges and future prospects for broader use of natural biopolymers as proton conductors in bioelectronics and potential translational applications.
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Affiliation(s)
- Manping Jia
- Department of Electrical and Computer Engineering, University of California Santa Cruz, Santa Cruz, California, USA
| | - Jinhwan Kim
- Department of Electrical and Computer Engineering, University of California Santa Cruz, Santa Cruz, California, USA
| | - Tiffany Nguyen
- Department of Electrical and Computer Engineering, University of California Santa Cruz, Santa Cruz, California, USA.,Department of Biomedical Engineering, California State University Long Beach, Long Beach, California, USA
| | - Thi Duong
- Department of Electrical and Computer Engineering, University of California Santa Cruz, Santa Cruz, California, USA.,Department of Mechanical and Aerospace Engineering, The Henry Samueli School of Engineering, University of California, Irvine, California, USA
| | - Marco Rolandi
- Department of Electrical and Computer Engineering, University of California Santa Cruz, Santa Cruz, California, USA
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12
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Strauss MJ, Jia M, Evans AM, Castano I, Li RL, Aguilar-Enriquez X, Roesner EK, Swartz JL, Chavez AD, Enciso AE, Stoddart JF, Rolandi M, Dichtel WR. Diverse Proton-Conducting Nanotubes via a Tandem Macrocyclization and Assembly Strategy. J Am Chem Soc 2021; 143:8145-8153. [DOI: 10.1021/jacs.1c02789] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Michael J. Strauss
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Manping Jia
- Department of Electrical and Computer Engineering, Baskin School of Engineering, University of California Santa Cruz, Santa Cruz, California 95064, United States
| | - Austin M. Evans
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Ioannina Castano
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Rebecca L. Li
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Xavier Aguilar-Enriquez
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Emily K. Roesner
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Jeremy L. Swartz
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Anton D. Chavez
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Alan E. Enciso
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - J. Fraser Stoddart
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, China
| | - Marco Rolandi
- Department of Electrical and Computer Engineering, Baskin School of Engineering, University of California Santa Cruz, Santa Cruz, California 95064, United States
| | - William R. Dichtel
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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13
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Romero-Montero A, Aguirre-Díaz IS, Puiggalí J, del Valle LJ, Gimeno M. Self-assembly of supramolecular chemoenzymatic poly- l-phenylalanine. Polym Chem 2021. [DOI: 10.1039/d0py01659d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The self-assembly behavior of chemoenzymatic high molecular weight (ca. 30 000 Da) poly-l-phenylalanine (ePLP) and the nano-morphologies thereof are investigated.
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Affiliation(s)
- Alejandra Romero-Montero
- Depto. de Alimentos y Biotecnología
- Facultad de Química
- Universidad Nacional Autónoma de México
- 04510 CDMX
- Mexico
| | - Isabel S. Aguirre-Díaz
- Depto. de Alimentos y Biotecnología
- Facultad de Química
- Universidad Nacional Autónoma de México
- 04510 CDMX
- Mexico
| | - Jordi Puiggalí
- Chemical Engineering Department
- Escola d'Enginyeria de Barcelona Est-EEBE
- 08019 Barcelona
- Spain
- Institute for Bioengineering of Catalonia (IBEC)
| | - Luis J. del Valle
- Chemical Engineering Department
- Escola d'Enginyeria de Barcelona Est-EEBE
- 08019 Barcelona
- Spain
| | - Miquel Gimeno
- Depto. de Alimentos y Biotecnología
- Facultad de Química
- Universidad Nacional Autónoma de México
- 04510 CDMX
- Mexico
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14
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Zhang L, Lu JR, Waigh TA. Electronics of peptide- and protein-based biomaterials. Adv Colloid Interface Sci 2021; 287:102319. [PMID: 33248339 DOI: 10.1016/j.cis.2020.102319] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 12/22/2022]
Abstract
Biologically inspired peptide- and protein-based materials are at the forefront of organic bioelectronics research due to their inherent conduction properties and excellent biocompatibility. Peptides have the advantages of structural simplicity and ease of synthesis providing credible prospects for mass production, whereas naturally expressed proteins offer inspiration with many examples of high performance evolutionary optimised bioelectronics properties. We review recent advances in the fundamental conduction mechanisms, experimental techniques and exemplar applications for the bioelectronics of self-assembling peptides and proteins. Diverse charge transfer processes, such as tunnelling, hopping and coupled transfer, are found in naturally occurring biological systems with peptides and proteins as the predominant building blocks to enable conduction in biology. Both theory and experiments allow detailed investigation of bioelectronic properties in order to design functionalized peptide- and protein-based biomaterials, e.g. to create biocompatible aqueous electrodes. We also highlight the design of bioelectronics devices based on peptides/proteins including field-effect transistors, piezoelectric energy harvesters and optoelectronics.
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Affiliation(s)
- L Zhang
- Biological Physics, Department of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK
| | - J R Lu
- Biological Physics, Department of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - T A Waigh
- Biological Physics, Department of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK; Photon Science Institute, Department of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
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15
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Singh P, Misra S, Sepay N, Mondal S, Ray D, Aswal VK, Nanda J. Self-assembling behaviour of a modified aromatic amino acid in competitive medium. SOFT MATTER 2020; 16:6599-6607. [PMID: 32608458 DOI: 10.1039/d0sm00584c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Aromatic amino acid, specifically phenylalanine (Phe), is one of the most studied building blocks in peptide synthesis due to its importance in biology. It is reported in the literature that Phe-containing peptides have a high tendency to form different self-assembled materials due to efficient aromatic-aromatic interactions. In this article, we have tuned the supramolecular interactions of phenylalanine by making it electron-deficient upon introduction of the nitro group in the ring. The presence of the nitro group has a profound influence on the self-assembly process. It has been observed that 4-nitrophenylalanine (4NP) is a highly efficient gelator compared with the native phenylalanine in DMSO solvent in terms of minimum gelation concentration and it forms hydrogen bonding mediated crystals in water. The change of self-assembling patterns of 4NP in these solvents was studied using X-ray diffraction, UV-Vis spectroscopy, FE-SEM and other techniques. With the help of different experimental data and density functional theory (DFT), we have simulated the theoretical structure of 4NP in DMSO. The theoretical structure of 4NP in DMSO is different compared with that of crystals in water. We then studied the self-assembly process of 4NP in the mixed solvent of DMSO (polar aprotic) and water (polar protic). Different competitive non-covalent interactions of solvents as well as the ratio of the solvent mixture guide the final self-assembly state of 4NP.
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Affiliation(s)
- Pijush Singh
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, P.O. Botanic Garden, Howrah-711103, West Bengal, India.
| | - Souvik Misra
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, P.O. Botanic Garden, Howrah-711103, West Bengal, India.
| | - Nayim Sepay
- Department of Chemistry, Jadavpur University, Jadavpur, Kolkata-700032, India
| | - Sanjoy Mondal
- Polymer Science Unit, Indian association for the Cultivation of Science, Jadavpur, Kolkata-700032, India
| | - Debes Ray
- Solid State Physics Division, Bhabha Atomic Research Centre Trombay, Mumbai, 400085, India
| | - Vinod K Aswal
- Solid State Physics Division, Bhabha Atomic Research Centre Trombay, Mumbai, 400085, India
| | - Jayanta Nanda
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, P.O. Botanic Garden, Howrah-711103, West Bengal, India.
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16
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Ma C, Dong J, Viviani M, Tulini I, Pontillo N, Maity S, Zhou Y, Roos WH, Liu K, Herrmann A, Portale G. De novo rational design of a freestanding, supercharged polypeptide, proton-conducting membrane. SCIENCE ADVANCES 2020; 6:eabc0810. [PMID: 32832651 PMCID: PMC7439445 DOI: 10.1126/sciadv.abc0810] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/04/2020] [Indexed: 05/31/2023]
Abstract
Proton translocation enables important processes in nature and man-made technologies. However, controlling proton conduction and fabrication of devices exploiting biomaterials remains a challenge. Even more difficult is the design of protein-based bulk materials without any functional starting scaffold for further optimization. Here, we show the rational design of proton-conducting, protein materials exceeding reported proteinaceous systems. The carboxylic acid-rich structures were evolved step by step by exploring various sequences from intrinsically disordered coils over supercharged nanobarrels to hierarchically spider β sheet containing protein-supercharged polypeptide chimeras. The latter material is characterized by interconnected β sheet nanodomains decorated on their surface by carboxylic acid groups, forming self-supportive membranes and allowing for proton conduction in the hydrated state. The membranes showed an extraordinary proton conductivity of 18.5 ± 5 mS/cm at RH = 90%, one magnitude higher than other protein devices. This design paradigm offers great potential for bioprotonic device fabrication interfacing artificial and biological systems.
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Affiliation(s)
- Chao Ma
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun, China
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Jingjin Dong
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
| | - Marco Viviani
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
| | - Isotta Tulini
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
| | - Nicola Pontillo
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Sourav Maity
- Molecular Biophysics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Yu Zhou
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Wouter H. Roos
- Molecular Biophysics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Kai Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun, China
- Department of Chemistry, Tsinghua University, 100084 Beijing, China
| | - Andreas Herrmann
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
- DWI–Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52056 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
| | - Giuseppe Portale
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
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17
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Frenkel-Pinter M, Samanta M, Ashkenasy G, Leman LJ. Prebiotic Peptides: Molecular Hubs in the Origin of Life. Chem Rev 2020; 120:4707-4765. [PMID: 32101414 DOI: 10.1021/acs.chemrev.9b00664] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The fundamental roles that peptides and proteins play in today's biology makes it almost indisputable that peptides were key players in the origin of life. Insofar as it is appropriate to extrapolate back from extant biology to the prebiotic world, one must acknowledge the critical importance that interconnected molecular networks, likely with peptides as key components, would have played in life's origin. In this review, we summarize chemical processes involving peptides that could have contributed to early chemical evolution, with an emphasis on molecular interactions between peptides and other classes of organic molecules. We first summarize mechanisms by which amino acids and similar building blocks could have been produced and elaborated into proto-peptides. Next, non-covalent interactions of peptides with other peptides as well as with nucleic acids, lipids, carbohydrates, metal ions, and aromatic molecules are discussed in relation to the possible roles of such interactions in chemical evolution of structure and function. Finally, we describe research involving structural alternatives to peptides and covalent adducts between amino acids/peptides and other classes of molecules. We propose that ample future breakthroughs in origin-of-life chemistry will stem from investigations of interconnected chemical systems in which synergistic interactions between different classes of molecules emerge.
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Affiliation(s)
- Moran Frenkel-Pinter
- NSF/NASA Center for Chemical Evolution, https://centerforchemicalevolution.com/.,School of Chemistry & Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Mousumi Samanta
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Gonen Ashkenasy
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Luke J Leman
- NSF/NASA Center for Chemical Evolution, https://centerforchemicalevolution.com/.,Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
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18
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Maiti S, Mandal B, Sharma M, Mukherjee S, Das AK. A covalent organic polymer as an efficient chemosensor for highly selective H2S detection through proton conduction. Chem Commun (Camb) 2020; 56:9348-9351. [DOI: 10.1039/d0cc02704a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An interdigitated electrode fabricated with a covalent organic polymer (COP) acts as an efficient H2S gas sensor at room temperature.
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Affiliation(s)
- Sayan Maiti
- Department of Chemistry and Centre for Advanced Electronics (CAE)
- Indian Institute of Technology Indore
- Indore 453552
- India
| | - Biswajit Mandal
- Hybrid Nanodevice Research Group (HNRG)
- Electrical Engineering and Centre for Advanced Electronics (CAE)
- Indian Institute of Technology Indore
- India
| | - Meenu Sharma
- Department of Chemistry and Centre for Advanced Electronics (CAE)
- Indian Institute of Technology Indore
- Indore 453552
- India
| | - Shaibal Mukherjee
- Hybrid Nanodevice Research Group (HNRG)
- Electrical Engineering and Centre for Advanced Electronics (CAE)
- Indian Institute of Technology Indore
- India
| | - Apurba K. Das
- Department of Chemistry and Centre for Advanced Electronics (CAE)
- Indian Institute of Technology Indore
- Indore 453552
- India
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19
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Silberbush O, Engel M, Sivron I, Roy S, Ashkenasy N. Self-Assembled Peptide Nanotube Films with High Proton Conductivity. J Phys Chem B 2019; 123:9882-9888. [DOI: 10.1021/acs.jpcb.9b07555] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Ohad Silberbush
- Department of Materials Engineering and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel
| | - Maor Engel
- Department of Materials Engineering and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel
| | - Ido Sivron
- Department of Materials Engineering and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel
| | - Subhasish Roy
- Department of Materials Engineering and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel
| | - Nurit Ashkenasy
- Department of Materials Engineering and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel
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20
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De Santis S, Novelli F, Sciubba F, Casciardi S, Sennato S, Morosetti S, Scipioni A, Masci G. Switchable length nanotubes from a self-assembling pH and thermosensitive linear l,d-peptide-polymer conjugate. J Colloid Interface Sci 2019; 547:256-266. [PMID: 30954769 DOI: 10.1016/j.jcis.2019.03.093] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/26/2019] [Accepted: 03/28/2019] [Indexed: 01/30/2023]
Abstract
Preparation and characterization of a pH and thermosensitive linear l,d-octapeptide-poly(dimethylamino ethyl methacrylate) ((l-Val-d-Val)4-PDMAEMA) conjugate is reported. The hydrophobic uncharged linear (l-Val-d-Val)4 octapeptide was designed to self-assemble in nanotubes by exploiting the tubular self-assembling properties of linear peptides with regularly alternating enantiomeric sequences. pH and thermosensitive PDMAEMA was obtained by atom transfer radical polymerization (ATRP). The conjugate was prepared by click-chemistry on the solid phase synthetized peptide. Because of the strong interactions between the peptide moieties, long single channel nanotubes (0.2-1.5 μm) are formed also at acidic pH with the fully charged polymer. At 25 °C and basic pH the size of the nanotubes did not change significantly. In basic conditions and temperature above the PDMAEMA lower critical solution temperature (LCST) a significant increase of the length of the nanotubes up to several micrometers is observed. The size is retained for several days after cooling back to room temperature. Sonication significantly reduces the nanotube length (0.2-0.5 μm) forming low polydisperse nanotubes. The elongation of the nanotubes is fully reversible by restoring acidic pH. This is the first example, to our knowledge, of thermosensitive peptide-polymer single channel nanotubes with length that can be varied from hundreds of nanometers to several micrometers.
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Affiliation(s)
- Serena De Santis
- Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy
| | - Federica Novelli
- Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy
| | - Fabio Sciubba
- Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy
| | - Stefano Casciardi
- National Institute for Insurance against Accidents at Work (INAIL Research), Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Rome, Italy
| | - Simona Sennato
- Institute for Complex Systems, National Research Council (ISC-CNR), Dipartimento di Fisica, Sapienza Università di Roma, P.le A. Moro, 2 00185 Rome, Italy
| | - Stefano Morosetti
- Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy
| | - Anita Scipioni
- Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy
| | - Giancarlo Masci
- Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy.
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21
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Amdursky N, Głowacki ED, Meredith P. Macroscale Biomolecular Electronics and Ionics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1802221. [PMID: 30334284 DOI: 10.1002/adma.201802221] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 06/25/2018] [Indexed: 05/18/2023]
Abstract
The conduction of ions and electrons over multiple length scales is central to the processes that drive the biological world. The multidisciplinary attempts to elucidate the physics and chemistry of electron, proton, and ion transfer in biological charge transfer have focused primarily on the nano- and microscales. However, recently significant progress has been made on biomolecular materials that can support ion and electron currents over millimeters if not centimeters. Likewise, similar transport phenomena in organic semiconductors and ionics have led to new innovations in a wide variety of applications from energy generation and storage to displays and bioelectronics. Here, the underlying principles of conduction on the macroscale in biomolecular materials are discussed, highlighting recent examples, and particularly the establishment of accurate structure-property relationships to guide rationale material and device design. The technological viability of biomolecular electronics and ionics is also discussed.
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Affiliation(s)
- Nadav Amdursky
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa, 3200003, Israel
| | - Eric Daniel Głowacki
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Bredgatan 33, SE-60174, Norrköping, Sweden
- Wallenberg Centre for Molecular Medicine, Linköping University, 58183, Linköping, Sweden
| | - Paul Meredith
- Department of Physics, Swansea University, Singleton Park, Swansea, SA2 8PP, Wales, UK
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22
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Mansbach RA, Ferguson AL. Patchy Particle Model of the Hierarchical Self-Assembly of π-Conjugated Optoelectronic Peptides. J Phys Chem B 2018; 122:10219-10236. [DOI: 10.1021/acs.jpcb.8b05781] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Rachael A. Mansbach
- Department of Physics, University of Illinois at Urbana−Champaign, 1110 West Green Street, Urbana, Illinois 61801, United States
| | - Andrew L. Ferguson
- Department of Physics, University of Illinois at Urbana−Champaign, 1110 West Green Street, Urbana, Illinois 61801, United States
- Department of Materials Science and Engineering, University of Illinois at Urbana−Champaign, 1304 W Green Street, Urbana, Illinois 61801, United States
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana−Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
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23
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Amit M, Yuran S, Gazit E, Reches M, Ashkenasy N. Tailor-Made Functional Peptide Self-Assembling Nanostructures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1707083. [PMID: 29989255 DOI: 10.1002/adma.201707083] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 04/05/2018] [Indexed: 05/08/2023]
Abstract
Noncovalent interactions are the main driving force in the folding of proteins into a 3D functional structure. Motivated by the wish to reveal the mechanisms of the associated self-assembly processes, scientists are focusing on studying self-assembly processes of short protein segments (peptides). While this research has led to major advances in the understanding of biological and pathological process, only in recent years has the applicative potential of the resulting self-assembled peptide assemblies started to be explored. Here, major advances in the development of biomimetic supramolecular peptide assemblies as coatings, gels, and as electroactive materials, are highlighted. The guiding lines for the design of helical peptides, β strand peptides, as well as surface binding monolayer-forming peptides that can be utilized for a specific function are highlighted. Examples of their applications in diverse immerging applications in, e.g., ecology, biomedicine, and electronics, are described. Taking into account that, in addition to extraordinary design flexibility, these materials are naturally biocompatible and ecologically friendly, and their production is cost effective, the emergence of devices incorporating these biomimetic materials in the market is envisioned in the near future.
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Affiliation(s)
- Moran Amit
- Department of Materials Engineering, Ben Gurion University of the Negev, Beer-Sheva, 84105, Israel
- Department of Electrical and Computer Engineering, UC San Diego, La Jolla, CA, 92093-0407, USA
| | - Sivan Yuran
- Institute of Chemistry and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Ehud Gazit
- Department of Molecular Microbiology and Biotechnology, Department of Materials Science and Engineering, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Meital Reches
- Institute of Chemistry and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Nurit Ashkenasy
- Department of Materials Engineering, Ben Gurion University of the Negev, Beer-Sheva, 84105, Israel
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24
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Ing NL, El-Naggar MY, Hochbaum AI. Going the Distance: Long-Range Conductivity in Protein and Peptide Bioelectronic Materials. J Phys Chem B 2018; 122:10403-10423. [DOI: 10.1021/acs.jpcb.8b07431] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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25
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Yu J, Horsley JR, Abell AD. Peptides as Bio-Inspired Electronic Materials: An Electrochemical and First-Principles Perspective. Acc Chem Res 2018; 51:2237-2246. [PMID: 30192512 DOI: 10.1021/acs.accounts.8b00198] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Molecular electronics is at the forefront of interdisciplinary research, offering a significant extension of the capabilities of conventional silicon-based technology as well as providing a possible stand-alone alternative. Bio-inspired molecular electronics is a particularly intriguing paradigm, as charge transfer in proteins/peptides, for example, plays a critical role in the energy storage and conversion processes for all living organisms. However, the structure and conformation of even the simplest protein is extremely complex, and therefore, synthetic model peptides comprising well-defined geometry and predetermined functionality are ideal platforms to mimic nature for the elucidation of fundamental biological processes while also enhancing the design and development of single-peptide electronic components. In this Account, we first present intramolecular electron transfer within two synthetic peptides, one with a well-defined helical conformation and the other with a random geometry, using electrochemical techniques and computational simulations. This study reveals two definitive electron transfer pathways (mechanisms), the natures of which are dependent on secondary structure. Following on from this, electron transfer within a series of well-defined helical peptides, constrained by either Huisgen cycloaddition, ring-closing metathesis, or a lactam bridge, was determined. The electrochemical results indicate that each constrained peptide, in contrast to a linear counterpart, exhibits a remarkable shift of the formal potential to the positive (>460 mV) and a significant reduction of the electron transfer rate constant (up to 15-fold), which represent two distinct electronic "on/off" states. High-level calculations demonstrate that the additional backbone rigidity provided by the side-bridge constraints leads to an increased reorganization energy barrier, which impedes the vibrational fluctuations necessary for efficient intramolecular electron transfer through the peptide backbone. Further calculations reveal a clear mechanistic transition from hopping to superexchange (tunneling) stemming from side-bridge gating. We then extended our research to fine-tuning of the electronic properties of peptides through both structural and chemical manipulation, to reveal an interplay between electron-rich side chains and backbone rigidity on electron transfer. Further to this, we explored the possibility that the side-bridge constraints present in our synthetic peptides provide an additional electronic transport pathway, which led to the discovery of two distinct forms of quantum interferometer. The effects of destructive quantum interference appear essentially through both the backbone and an alternative tunneling pathway provided by the side bridge in the constrained β-strand peptide, as evidenced by a correlation between electrochemical measurements and conductance simulations for both linear and constrained β-strand peptides. In contrast, an interplay between quantum interference effects and vibrational fluctuations is revealed in the linear and constrained 310-helical peptides. Collectively, these exciting findings augment our fundamental knowledge of charge transfer dynamics and kinetics in peptides and also open up new avenues to design and develop functional bio-inspired electronic devices, such as on/off switches and quantum interferometers, for practical applications in molecular electronics.
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Affiliation(s)
- Jingxian Yu
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute of Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, Adelaide, SA 5005, Australia
| | - John R. Horsley
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute of Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Andrew D. Abell
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute of Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, Adelaide, SA 5005, Australia
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26
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Abstract
The formation of ordered nanostructures by molecular self-assembly of proteins and peptides represents one of the principal directions in nanotechnology. Indeed, polyamides provide superior features as materials with diverse physical properties. A reductionist approach allowed the identification of extremely short peptide sequences, as short as dipeptides, which could form well-ordered amyloid-like β-sheet-rich assemblies comparable to supramolecular structures made of much larger proteins. Some of the peptide assemblies show remarkable mechanical, optical, and electrical characteristics. Another direction of reductionism utilized a natural noncoded amino acid, α-aminoisobutryic acid, to form short superhelical assemblies. The use of this exceptional helix inducer motif allowed the fabrication of single heptad repeats used in various biointerfaces, including their use as surfactants and DNA-binding agents. Two additional directions of the reductionist approach include the use of peptide nucleic acids (PNAs) and coassembly techniques. The diversified accomplishments of the reductionist approach, as well as the exciting future advances it bears, are discussed.
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Affiliation(s)
- Ehud Gazit
- Department of Molecular Microbiology and Biotechnology, Department of Materials Science and Engineering, Tel Aviv University, Tel Aviv 6997801, Israel;
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27
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Microbial nanowires - Electron transport and the role of synthetic analogues. Acta Biomater 2018; 69:1-30. [PMID: 29357319 DOI: 10.1016/j.actbio.2018.01.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 01/07/2018] [Accepted: 01/09/2018] [Indexed: 02/07/2023]
Abstract
Electron transfer is central to cellular life, from photosynthesis to respiration. In the case of anaerobic respiration, some microbes have extracellular appendages that can be utilised to transport electrons over great distances. Two model organisms heavily studied in this arena are Shewanella oneidensis and Geobacter sulfurreducens. There is some debate over how, in particular, the Geobacter sulfurreducens nanowires (formed from pilin nanofilaments) are capable of achieving the impressive feats of natural conductivity that they display. In this article, we outline the mechanisms of electron transfer through delocalised electron transport, quantum tunnelling, and hopping as they pertain to biomaterials. These are described along with existing examples of the different types of conductivity observed in natural systems such as DNA and proteins in order to provide context for understanding the complexities involved in studying the electron transport properties of these unique nanowires. We then introduce some synthetic analogues, made using peptides, which may assist in resolving this debate. Microbial nanowires and the synthetic analogues thereof are of particular interest, not just for biogeochemistry, but also for the exciting potential bioelectronic and clinical applications as covered in the final section of the review. STATEMENT OF SIGNIFICANCE Some microbes have extracellular appendages that transport electrons over vast distances in order to respire, such as the dissimilatory metal-reducing bacteria Geobacter sulfurreducens. There is significant debate over how G. sulfurreducens nanowires are capable of achieving the impressive feats of natural conductivity that they display: This mechanism is a fundamental scientific challenge, with important environmental and technological implications. Through outlining the techniques and outcomes of investigations into the mechanisms of such protein-based nanofibrils, we provide a platform for the general study of the electronic properties of biomaterials. The implications are broad-reaching, with fundamental investigations into electron transfer processes in natural and biomimetic materials underway. From these studies, applications in the medical, energy, and IT industries can be developed utilising bioelectronics.
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Novelli F, De Santis S, Morosetti S, Titubante M, Masci G, Scipioni A. Peptides with regularly alternating enantiomeric sequence: From ion channel models to bioinspired nanotechnological applications. Pept Sci (Hoboken) 2018. [DOI: 10.1002/pep2.24043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Federica Novelli
- Dipartimento di ChimicaUniversità La Sapienza, Piazzale A. MoroRome5‐00185 Italy
| | - Serena De Santis
- Dipartimento di ChimicaUniversità La Sapienza, Piazzale A. MoroRome5‐00185 Italy
| | - Stefano Morosetti
- Dipartimento di ChimicaUniversità La Sapienza, Piazzale A. MoroRome5‐00185 Italy
| | - Mattia Titubante
- Dipartimento di ChimicaUniversità La Sapienza, Piazzale A. MoroRome5‐00185 Italy
| | - Giancarlo Masci
- Dipartimento di ChimicaUniversità La Sapienza, Piazzale A. MoroRome5‐00185 Italy
| | - Anita Scipioni
- Dipartimento di ChimicaUniversità La Sapienza, Piazzale A. MoroRome5‐00185 Italy
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29
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Grebenko A, Dremov V, Barzilovich P, Bubis A, Sidoruk K, Voeikova T, Gagkaeva Z, Chernov T, Korostylev E, Gorshunov B, Motovilov K. Impedance spectroscopy of single bacterial nanofilament reveals water-mediated charge transfer. PLoS One 2018; 13:e0191289. [PMID: 29351332 PMCID: PMC5774759 DOI: 10.1371/journal.pone.0191289] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 01/02/2018] [Indexed: 11/19/2022] Open
Abstract
For decades respiratory chain and photosystems were the main firing field of the studies devoted to mechanisms of electron transfer in proteins. The concept of conjugated lateral electron and transverse proton transport during cellular respiration and photosynthesis, which was formulated in the beginning of 1960-s, has been confirmed by thousands of experiments. However, charge transfer in recently discovered bacterial nanofilaments produced by various electrogenic bacteria is regarded currently outside of electron and proton conjugation concept. Here we report the new study of charge transfer within nanofilaments produced by Shewanella oneidensis MR-1 conducted in atmosphere of different relative humidity (RH). We utilize impedance spectroscopy and DC (direct current) transport measurements to find out the peculiarities of conductivity and Raman spectroscopy to analyze the nanofilaments' composition. Data analysis demonstrates that apparent conductivity of nanofilaments has crucial sensitivity to humidity and contains several components including one with unusual behavior which we assign to electron transport. We demonstrate that in the case of Shewanella oneidensis MR-1 charge transfer within these objects is strongly mediated by water. Basing on current data analysis of conductivity we conclude that the studied filaments of Shewanella oneidensis MR-1 are capable of hybrid (conjugated) electron and ion conductivity.
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Affiliation(s)
- Artem Grebenko
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
- Institute of Solid State Physics (RAS), Academician Osipyana street 2, Chernogolovka, Russia
| | - Vyacheslav Dremov
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
- Institute of Solid State Physics (RAS), Academician Osipyana street 2, Chernogolovka, Russia
| | - Petr Barzilovich
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
- Institute of Problems of Chemical Physics (RAS), Academician Semenov avenue 1, Chernogolovka, Russia
| | - Anton Bubis
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
- Institute of Solid State Physics (RAS), Academician Osipyana street 2, Chernogolovka, Russia
| | - Konstantin Sidoruk
- Scientific Center of Russian Federation Research Institute for Genetics and Selection of Industrial Microorganisms, 1-st Dorozhniy pr., 1, Moscow, Russia
| | - Tatiyana Voeikova
- Scientific Center of Russian Federation Research Institute for Genetics and Selection of Industrial Microorganisms, 1-st Dorozhniy pr., 1, Moscow, Russia
| | - Zarina Gagkaeva
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
| | - Timur Chernov
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
- Institute of Problems of Chemical Physics (RAS), Academician Semenov avenue 1, Chernogolovka, Russia
| | - Evgeny Korostylev
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
| | - Boris Gorshunov
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
| | - Konstantin Motovilov
- Moscow Institute of Physics and Technology, Institute lane 9, Dolgoprudny, Russian Federation
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30
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Amit M, Roy S, Deng Y, Josberger E, Rolandi M, Ashkenasy N. Measuring Proton Currents of Bioinspired Materials with Metallic Contacts. ACS APPLIED MATERIALS & INTERFACES 2018; 10:1933-1938. [PMID: 29265803 DOI: 10.1021/acsami.7b16640] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Charge transfer at the interface between the active layer and the contact is essential in any device. Transfer of electronic charges across the contact/active layer interface with metal contacts is well-understood. To this end, noble metals, such as gold or platinum, are widely used. With these contacts, ionic currents (especially protonic) are often neglected because ions and protons do not transfer across the interface between the contact and the active layer. Palladium hydride contacts have emerged as good contacts to measure proton currents because of a reversible redox reaction at the interface and subsequent absorption/desorption of H into palladium, translating the proton flow reaching the interface into an electron flow at the outer circuit. Here, we demonstrate that gold and palladium contacts also collect proton currents, especially under high relative humidity conditions because of electrochemical reactions at the interface. A marked kinetic isotope effect, which is a signature of proton currents, is observed with gold and palladium contacts, indicating both bulk and contact processes involving proton transfer. These phenomena are attributed to electrochemical processes involving water splitting at the interface. In addition to promoting charge transfer at the interface, these interfacial electrochemical processes inject charge carriers into the active layer and hence can also modulate the bulk resistivity of the materials, as was found for the studied peptide fibril films. We conclude that proton currents may not be neglected a priori when performing electronic measurements on biological and bioinspired materials with gold and palladium contacts under high humidity conditions.
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Affiliation(s)
| | | | - Yingxin Deng
- Department of Materials Science and Engineering, University of Washington , Seattle, Washington 98195, United States
| | - Erik Josberger
- Department of Materials Science and Engineering, University of Washington , Seattle, Washington 98195, United States
| | - Marco Rolandi
- Department of Materials Science and Engineering, University of Washington , Seattle, Washington 98195, United States
- Department of Electrical Engineering, University of California , Santa Cruz, California 95064, United States
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31
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Panda SS, Katz HE, Tovar JD. Solid-state electrical applications of protein and peptide based nanomaterials. Chem Soc Rev 2018; 47:3640-3658. [DOI: 10.1039/c7cs00817a] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review summarizes recent advancements in electrical properties and applications of natural proteins and mutated variants, synthetic oligopeptides and peptide–π conjugates.
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Affiliation(s)
- Sayak Subhra Panda
- Department of Chemistry
- Krieger School of Arts and Sciences
- Johns Hopkins University
- Baltimore
- USA
| | - Howard E. Katz
- Department of Chemistry
- Krieger School of Arts and Sciences
- Johns Hopkins University
- Baltimore
- USA
| | - John D. Tovar
- Department of Chemistry
- Krieger School of Arts and Sciences
- Johns Hopkins University
- Baltimore
- USA
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32
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Novelli F, De Santis S, Diociaiuti M, Giordano C, Morosetti S, Punzi P, Sciubba F, Viali V, Masci G, Scipioni A. Curcumin loaded nanocarriers obtained by self-assembly of a linear d,l-octapeptide-poly(ethylene glycol) conjugate. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2017.11.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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33
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Reja A, Biswas A, Yadav J, Dev D, Das AK. Induction of Supramolecular Helical Handedness in a Chemical Reaction Directed Self-Healable Soft Material. ChemistrySelect 2017. [DOI: 10.1002/slct.201702212] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Antara Reja
- Department of Chemistry; Indian Institute of Technology Indore; Khandwa Road Indore 453552 India
| | - Ankan Biswas
- Department of Chemistry; Indian Institute of Technology Indore; Khandwa Road Indore 453552 India
| | - Jonu Yadav
- Department of Chemistry; Indian Institute of Technology Indore; Khandwa Road Indore 453552 India
| | - Dharm Dev
- Department of Chemistry; Indian Institute of Technology Indore; Khandwa Road Indore 453552 India
| | - Apurba K. Das
- Department of Chemistry; Indian Institute of Technology Indore; Khandwa Road Indore 453552 India
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34
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Kalyoncu E, Ahan RE, Olmez TT, Safak Seker UO. Genetically encoded conductive protein nanofibers secreted by engineered cells. RSC Adv 2017. [DOI: 10.1039/c7ra06289c] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bacterial biofilms are promising tools for functional applications as bionanomaterials.
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Affiliation(s)
- Ebuzer Kalyoncu
- UNAM – National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology
- Bilkent University
- Ankara
- Turkey
| | - Recep E. Ahan
- UNAM – National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology
- Bilkent University
- Ankara
- Turkey
| | - Tolga T. Olmez
- UNAM – National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology
- Bilkent University
- Ankara
- Turkey
| | - Urartu Ozgur Safak Seker
- UNAM – National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology
- Bilkent University
- Ankara
- Turkey
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