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Cai L, Li L, Zhao X, Wang L, Cheng Y, Gao W, Cui C. Molecular simulation screening and sensory evaluation unearth a novel kokumi compound with bitter-masking effect: N-lauroyl-L-tryptophan. Food Chem 2024; 454:139718. [PMID: 38795620 DOI: 10.1016/j.foodchem.2024.139718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/01/2024] [Accepted: 05/16/2024] [Indexed: 05/28/2024]
Abstract
N-lauroyl-L-tryptophan (LT), which has the strongest potential flavor-presenting activity, was skillfully screened from numerous N-Lau-AAs docked to different taste receptors by molecular simulation techniques. Subsequently, LT was synthesized employing food-grade commercial enzymes and structurally characterized, the optimized yields of LT could reach 69.08%, 76.16%, and 50.40%, respectively. Sensory and E-tongue evaluations showed that LT at 1 mg/L significantly benefited the performance of different taste sensations and exhibited different bitter taste masking effects: L-Ile (68.42%), L-Trp (68.18%), D-salicylic acid (48.48%) and quinine (35.00%). The molecular docking results illustrated that LT had a high affinity for various taste receptors, dominated by hydrogen bonding and hydrophobic interactions. This work provided a rare systematic elucidation of the potential and mechanism of enzymatically synthesized LT in enhancing taste properties. It provides novel insights into the directions and strategies for the excavation and innovation of flavor enhancers and food flavors.
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Affiliation(s)
- Lei Cai
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
| | - Liyu Li
- Jiangxi Synergy Pharmaceutical Co., Ltd, Yichun 330700, Jiangxi, China
| | - Xu Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
| | - Lu Wang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
| | - Yuqin Cheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
| | - Wenxiang Gao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
| | - Chun Cui
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China.
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2
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Breimann S, Kamp F, Steiner H, Frishman D. AAontology: An ontology of amino acid scales for interpretable machine learning. J Mol Biol 2024:168717. [PMID: 39053689 DOI: 10.1016/j.jmb.2024.168717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/15/2024] [Accepted: 07/19/2024] [Indexed: 07/27/2024]
Abstract
Amino acid scales are crucial for protein prediction tasks, many of them being curated in the AAindex database. Despite various clustering attempts to organize them and to better understand their relationships, these approaches lack the fine-grained classification necessary for satisfactory interpretability in many protein prediction problems. To address this issue, we developed AAontology-a two-level classification for 586 amino acid scales (mainly from AAindex) together with an in-depth analysis of their relations-using bag-of-word-based classification, clustering, and manual refinement over multiple iterations. AAontology organizes physicochemical scales into 8 categories and 67 subcategories, enhancing the interpretability of scale-based machine learning methods in protein bioinformatics. Thereby it enables researchers to gain a deeper biological insight. We anticipate that AAontology will be a building block to link amino acid properties with protein function and dysfunctions as well as aid informed decision-making in mutation analysis or protein drug design.
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Affiliation(s)
- Stephan Breimann
- Department of Bioinformatics, School of Life Sciences, Technical University of Munich, Freising, Germany; Ludwig-Maximilians-University Munich, Biomedical Center, Division of Metabolic Biochemistry, Munich, Germany; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany
| | - Frits Kamp
- Ludwig-Maximilians-University Munich, Biomedical Center, Division of Metabolic Biochemistry, Munich, Germany
| | - Harald Steiner
- Ludwig-Maximilians-University Munich, Biomedical Center, Division of Metabolic Biochemistry, Munich, Germany; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany
| | - Dmitrij Frishman
- Department of Bioinformatics, School of Life Sciences, Technical University of Munich, Freising, Germany.
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3
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Lin S, Woodring D, Sheardy RD, Mirsaleh-Kohan N. Structural Characteristics, Electronic Properties, and Coupling Behavior of 12-4-12, 12-3-12, 12-2-12 Cationic Surfactants: A First-Principles Computational Investigation and Experimental Raman Spectroscopy. Molecules 2024; 29:2880. [PMID: 38930945 PMCID: PMC11206980 DOI: 10.3390/molecules29122880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024] Open
Abstract
In this study, we present a comprehensive first-principles computational investigation focused on the structural characteristics, electronic properties, and coupling integrations of three cationic Gemini surfactants: 12-4-12, 12-3-12, and 12-2-12 ((CH3(CH2)11)(CH3)2-N+-(CH2)n-N+(CH3(CH2)11)(CH3)2, where n = 2, 3, or 4). By employing Density Functional Theory (DFT) computations, we aimed to gain insights into the fundamental aspects of these surfactant molecules, and the intermolecular interactions among these surfactant molecules. We examined different conformers of each surfactant, including parallel, wing, and bent conformers, and compared their relative stability and properties. We elucidated that the complex structural characteristics, electronic properties, and molecular arrangements of the surfactants vary according to the number of carbon atoms in the central spacer. We also conducted experimental Raman spectroscopy on the three surfactants to compare the results with our computational findings. Furthermore, we computed the coupling behaviors of different conformers of 12-4-12 surfactants in order to gain insights into their coupling mechanism.
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Affiliation(s)
- Shiru Lin
- Division of Chemistry and Biochemistry, Texas Woman’s University, Denton, TX 76204, USA; (D.W.); (R.D.S.)
| | | | | | - Nasrin Mirsaleh-Kohan
- Division of Chemistry and Biochemistry, Texas Woman’s University, Denton, TX 76204, USA; (D.W.); (R.D.S.)
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4
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Romeo M, Hafidi Z, Muzzalupo R, Pons R, García MT, Mazzotta E, Pérez L. Antimicrobial and Anesthetic Niosomal Formulations Based on Amino Acid-Derived Surfactants. Molecules 2024; 29:2843. [PMID: 38930908 PMCID: PMC11206639 DOI: 10.3390/molecules29122843] [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: 05/13/2024] [Revised: 06/04/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND This work proposes the development of new vesicular systems based on anesthetic compounds (lidocaine (LID) and capsaicin (CA)) and antimicrobial agents (amino acid-based surfactants from phenylalanine), with a focus on physicochemical characterization and the evaluation of antimicrobial and cytotoxic properties. METHOD Phenylalanine surfactants were characterized via high-performance liquid chromatography (HPLC) and nuclear magnetic resonance (NMR). Different niosomal systems based on capsaicin, lidocaine, cationic phenylalanine surfactants, and dipalmitoyl phosphatidylcholine (DPPC) were characterized in terms of size, polydispersion index (PI), zeta potential, and encapsulation efficiency using dynamic light scattering (DLS), transmitted light microscopy (TEM), and small-angle X-ray scattering (SAXS). Furthermore, the interaction of the pure compounds used to prepare the niosomal formulations with DPPC monolayers was determined using a Langmuir balance. The antibacterial activity of the vesicular systems and their biocompatibility were evaluated, and molecular docking studies were carried out to obtain information about the mechanism by which these compounds interact with bacteria. RESULTS The stability and reduced size of the analyzed niosomal formulations demonstrate their potential in pharmaceutical applications. The nanosystems exhibit promising antimicrobial activity, marking a significant advancement in pharmaceutical delivery systems with dual therapeutic properties. The biocompatibility of some formulations underscores their viability. CONCLUSIONS The proposed niosomal formulations could constitute an important advance in the pharmaceutical field, offering delivery systems for combined therapies thanks to the pharmacological properties of the individual components.
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Affiliation(s)
- Martina Romeo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (M.R.); (R.M.); (E.M.)
| | - Zakaria Hafidi
- Department of Surfactants and Nanobiotechnology, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain; (Z.H.); (R.P.); (M.T.G.)
| | - Rita Muzzalupo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (M.R.); (R.M.); (E.M.)
| | - Ramon Pons
- Department of Surfactants and Nanobiotechnology, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain; (Z.H.); (R.P.); (M.T.G.)
| | - María Teresa García
- Department of Surfactants and Nanobiotechnology, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain; (Z.H.); (R.P.); (M.T.G.)
| | - Elisabetta Mazzotta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (M.R.); (R.M.); (E.M.)
| | - Lourdes Pérez
- Department of Surfactants and Nanobiotechnology, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain; (Z.H.); (R.P.); (M.T.G.)
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5
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Li J, Amador C, Wilson MR. Computational predictions of interfacial tension, surface tension, and surfactant adsorption isotherms. Phys Chem Chem Phys 2024; 26:12107-12120. [PMID: 38587476 DOI: 10.1039/d3cp06170a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
All-atom (AA) molecular dynamics (MD) simulations are employed to predict interfacial tensions (IFT) and surface tensions (ST) of both ionic and non-ionic surfactants. The general AMBER force field (GAFF) and variants are examined in terms of their performance in predicting accurate IFT/ST, γ, values for chosen water models, together with the hydration free energy, ΔGhyd, and density, ρ, predictions for organic bulk phases. A strong correlation is observed between the quality of ρ and γ predictions. Based on the results, the GAFF-LIPID force field, which provides improved ρ predictions is selected for simulating surfactant tail groups. Good γ predictions are obtained with GAFF/GAFF-LIPID parameters and the TIP3P water model for IFT simulations at a water-triolein interface, and for GAFF/GAFF-LIPID parameters together with the OPC4 water model for ST simulations at a water-vacuum interface. Using a combined molecular dynamics-molecular thermodynamics theory (MD-MTT) framework, a mole fraction of C12E6 molecule of 1.477 × 10-6 (from the experimental critical micelle concentration, CMC) gives a simulated surface excess concentration, ΓMAX, of 76 C12E6 molecules at a 36 nm2 water-vacuum surface (3.5 × 10-10 mol cm-2), which corresponds to a simulated ST of 35 mN m-1. The results compare favourably with an experimental ΓMAX of C12E6 of 3.7 × 10-10 mol cm-2 (80 surfactants for a 36 nm2 surface) and experimental ST of C12E6 of 32 mN m-1 at the CMC.
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Affiliation(s)
- Jing Li
- Department of Chemistry, Durham University, Stockton Road, Durham, DH1 3LE, UK.
| | - Carlos Amador
- Newcastle Innovation Centre, Procter & Gamble Ltd, Newcastle Upon Tyne, NE12 9BZ, UK
| | - Mark R Wilson
- Department of Chemistry, Durham University, Stockton Road, Durham, DH1 3LE, UK.
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6
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Sing N, Mahali K, Mondal P, Chakraborty J, Henaish AMA, Ahmed J, Hussain A, Roy S. Exploring solubility and energetics: Dissolution of biologically important l-threonine in diverse aqueous organic mixtures across the temperature range of 288.15 K to 308.15 K. Biophys Chem 2024; 306:107154. [PMID: 38142475 DOI: 10.1016/j.bpc.2023.107154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/29/2023] [Accepted: 12/04/2023] [Indexed: 12/26/2023]
Abstract
This research provides a thorough investigation into the solubility behavior and solution thermodynamics of l-threonine in significant organic solvent systems. The work was done on measuring the actual solubility and subsequently calculating overall transfer solvation free energetics (∆Genergetic0i) and transfer entropies (∆St0i) at a temperature of 298.15 K. These measurements were performed as l-threonine transitioned from water to different water-organic mixed solvents systems. The saturated solubilities of l-threonine were determined using the 'gravimetric method' at five equidistant temperatures namely 288.15 K, 293.15 K, 298.15 K, 303.15 K and 308.15 K. By analyzing the data on solubility, we further obtained the different energies involved in solvation related issues. In the case of single solvents, the nature of solubility of l-threonine was observed like: dimethylsulfoxide (DMSO) < acetonitrile (ACN) < N, N-dimethylformamide (DMF) < ethylene glycol (EG) < water (H2O), irrespective of the experimental conditions. Specifically, at 298.15 K, the solubilities of l-threonine in single solvents were found to be as follows: 0.8220 mol per kg of water, 0.3101 mol per kg of EG, 0.1337 mol per kg of DMF, 0.1107 mol per kg DMSO and 0.1188 mol per kg of ACN. This research critically examines the relationship between the experimental saturated solubility of l-threonine and the complex properties influencing its solvation energy in diverse aqueous organic solvent systems.
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Affiliation(s)
- Nilam Sing
- Department of Chemistry, University of Kalyani, Nadia, Kalyani 741235, India; Department of Chemistry, Vivekananda Mahavidhyalaya, Burdwan, West Bengal, India
| | - Kalachand Mahali
- Department of Chemistry, University of Kalyani, Nadia, Kalyani 741235, India.
| | - Pratima Mondal
- Department of Chemistry, University of Kalyani, Nadia, Kalyani 741235, India
| | - Jit Chakraborty
- Department of Chemistry, University of Kalyani, Nadia, Kalyani 741235, India; Department of Chemistry, JIS College of Engineering, Nadia, Kalyani, 741235, India
| | - A M A Henaish
- Physics Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; Nanotech Center, Ural Federal University, Ekaterinburg 620002, Russia
| | - Jahangeer Ahmed
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Afzal Hussain
- Department of Pharmacognosy, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Sanjay Roy
- Department of Chemistry, School of Sciences, Netaji Subhas Open University, Kolkata, West Bengal, India.
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7
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Hao H, Wu H, Diao H, Zhang Y, Yang S, Deng S, Li Q, Yan X, Peng M, Qu M, Li X, Xu J, Yang E. A study on the bio-based surfactant sodium cocoyl alaninate as a foaming agent for enhanced oil recovery in high-salt oil reservoirs. RSC Adv 2024; 14:4369-4381. [PMID: 38304559 PMCID: PMC10828935 DOI: 10.1039/d3ra07840j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 12/19/2023] [Indexed: 02/03/2024] Open
Abstract
Environmental awareness is receiving increasing attention in the petroleum industry, especially when associated with chemical agents applied in enhanced oil recovery (EOR) technology. The bio-based surfactant sodium cocoyl alaninate (SCA) is environmentally friendly and can be easily biodegraded, which makes it a promising alternative to traditional surfactants. Herein, the SCA surfactant is proposed as a foaming agent for enhanced oil recovery. Laboratory investigations on the surfactant concentration, foaming performance, microbubble characterization, interfacial tension, and foam-flooding of the traditional surfactants SDS and OP-10 have been conducted. In particular, the anti-salt abilities of these three surfactants have been studied, taking into consideration the reservoir conditions at Bohai Bay Basin, China. The results show that concentrations of 0.20 wt%, 0.20 wt% and 0.50 wt% for SCA, SDS and OP-10, respectively, can achieve optimum foaming ability and foaming stability under formation salinity conditions, and 0.20 wt% SCA achieved the best foaming ability and stability compared to 0.20 wt% SDS and 0.50 wt% OP-10. Sodium fatty acid groups and amino acid groups present in the SCA molecular structure have high surface activities under different salinity conditions, making SCA an excellent anti-salt surfactant for enhanced oil recovery. The microstructure analysis results showed that most of the SCA bubbles were smaller in size, with an average diameter of about 150 μm, and the distribution of SCA bubbles was more uniform, which can reduce the risk of foam coalescence and breakdown. The IFT value of the SCA/oil system was measured to be 0.157 mN m-1 at 101.5 °C, which was the lowest. A lower IFT can make liquid molecules more evenly distributed on the surface, and enhance the elasticity of the foam film. Core-flooding experimental results showed that a 0.30 PV SCA foam and secondary waterflooding can enhance oil recovery by more than 15% after primary waterflooding, which can reduce the mobility ratio from 3.7711 to 1.0211. The more viscous SCA foam caused a greater flow resistance, and effectively reduced the successive water fingering, leading to a more stable driving process to fully displace the remaining oil within the porous media. The bio-based surfactant SCA proposed in this paper has the potential for application in enhanced oil recovery in similar high-salt oil reservoirs.
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Affiliation(s)
- Hongda Hao
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Hongze Wu
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Haoyu Diao
- CNPC Engineering Technology Research and Development Co. Ltd Beijing 100083 China
| | - Yixin Zhang
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Shuo Yang
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Song Deng
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Qiu Li
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Xiaopeng Yan
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Mingguo Peng
- School of Petroleum and Natural Gas Engineering, School of Energy, Changzhou University Changzhou 213164 China +86 15261180955
| | - Ming Qu
- Sanya Offshore Oil & Gas Research Institute, Northeast Petroleum University Sangya 572024 China
| | - Xinyu Li
- China Yangtze Power Co. Ltd Yichang 443000 China
| | - Jiaming Xu
- China Yangtze Power Co. Ltd Yichang 443000 China
| | - Erlong Yang
- School of Petroleum Engineering, Northeast Petroleum University Daqing 163318 China
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8
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Lavanya M, Machado AA. Surfactants as biodegradable sustainable inhibitors for corrosion control in diverse media and conditions: A comprehensive review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168407. [PMID: 37939963 DOI: 10.1016/j.scitotenv.2023.168407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/24/2023] [Accepted: 11/05/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Corrosion is a challenging and potentially harmful process that involves the continuing, impulsive deterioration of metallic structures via reactions involving environmental components and electro- or chemical processes. To inhibit corrosion, various additives are added. Traditional additives, on the other hand, contain environmentally hazardous substances. Surfactants are less expensive, easier to manufacture, and have high inhibitory efficacy and low toxicity compared to standard corrosion inhibitors. They are often employed as corrosion inhibitors to protect metallic materials against corrosion. METHODS Surfactant molecules' amphiphilic nature promotes adsorption at surfaces such as the metal/metal oxide-water interface. Surfactant adsorption on metals and metal oxides forms a barrier that can prevent corrosion. SIGNIFICANT FINDINGS This review of surfactants as corrosion inhibitors aims to offer a systemic evaluation of various surfactant physical and chemical properties, surfactant influence in corrosion inhibition, and surfactant used in corrosion inhibition that can be used to enhance the efficacy of surfactant use as corrosion inhibitors in a variety of environments. The effect of several parameters on the potential to suppress corrosion of surfactant molecule series is also discussed here.
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Affiliation(s)
- M Lavanya
- Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.
| | - Avryl Anna Machado
- Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India; Chemical and Bioprocess Engineering, Hamburg University of Technology, 21073 Hamburg, Germany
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9
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Sikora K, Jędrzejczak J, Bauer M, Neubauer D, Jaśkiewicz M, Szaryńska M. Quaternary Ammonium Salts of Cationic Lipopeptides with Lysine Residues - Synthesis, Antimicrobial, Hemolytic and Cytotoxic Activities. Probiotics Antimicrob Proteins 2023; 15:1465-1483. [PMID: 37770629 PMCID: PMC10687119 DOI: 10.1007/s12602-023-10161-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/13/2023] [Indexed: 09/30/2023]
Abstract
Ultrashort cationic lipopeptides (USCLs) and quaternary ammonium salts constitute two groups of cationic surfactants with high antimicrobial activity. This study aimed to investigate the influence of quaternization of the amino group of the lysine side chain in USCLs on their antimicrobial, hemolytic and cytotoxic activities. To do this, two series of lipopeptides were synthesized, USLCs and their quaternized analogues containing trimethylated lysine residues - qUSCLs (quaternized ultrashort cationic lipopeptides). Quaternization was performed on a resin during a standard solid-phase peptide synthesis with CH3I as the methylating agent. According to our knowledge, this is the first study presenting on-resin peptide quaternization. The lipopeptides were tested for their antibacterial and antifungal activities against the ESKAPE group (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa and Klebsiella aerogenes) bacteria and Candida glabrata yeast-like fungus. Most of the compounds proved to be active antimicrobial agents with enhanced activity against Gram-positive strains and fungi and a lower against Gram-negative species. In addition, the antimicrobial activity of lipopeptides was increasing with an increase in hydrophobicity but qUSCLs exhibited usually a poorer antimicrobial activity than their parent molecules. Furthermore, the toxicity against red blood cells and human keratinocytes was assessed. It's worth emphasizing that qUSCLs were less toxic than the parent molecules of comparative hydrophobicity. The results of the study proved that qUSCLs can offer a higher selectivity to pathogens over human cells than that of USCLs. Last but not least, quaternization of the peptides could increase their solubility and therefore their bioavailability and utility.
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Affiliation(s)
- Karol Sikora
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland.
| | - Jakub Jędrzejczak
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Marta Bauer
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Damian Neubauer
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Maciej Jaśkiewicz
- International Research Agenda 3P- Medicine Laboratory, Medical University of Gdańsk, Dębinki 7, Building no. 5, 80-211, Gdańsk, Poland
| | - Magdalena Szaryńska
- Department of Histology, Faculty of Medicine, Medical University of Gdańsk, Dębinki 1, 80-211, Gdańsk, Poland
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10
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Nagtode V, Cardoza C, Yasin HKA, Mali SN, Tambe SM, Roy P, Singh K, Goel A, Amin PD, Thorat BR, Cruz JN, Pratap AP. Green Surfactants (Biosurfactants): A Petroleum-Free Substitute for Sustainability-Comparison, Applications, Market, and Future Prospects. ACS OMEGA 2023; 8:11674-11699. [PMID: 37033812 PMCID: PMC10077441 DOI: 10.1021/acsomega.3c00591] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 03/09/2023] [Indexed: 06/19/2023]
Abstract
Surfactants are a group of amphiphilic molecules (i.e., having both hydrophobic and hydrophilic domains) that are a vital part of nearly every contemporary industrial process such as in agriculture, medicine, personal care, food, and petroleum. In general surfactants can be derived from (i) petroleum-based sources or (ii) microbial/plant origins. Petroleum-based surfactants are obvious results from petroleum products, which lead to petroleum pollution and thus pose severe problems to the environment leading to various ecological damages. Thus, newer techniques have been suggested for deriving surfactant molecules and maintaining environmental sustainability. Biosurfactants are surfactants of microbial or plant origins and offer much added advantages such as high biodegradability, lesser toxicity, ease of raw material availability, and easy applicability. Thus, they are also termed "green surfactants". In this regard, this review focused on the advantages of biosurfactants over the synthetic surfactants produced from petroleum-based products along with their potential applications in different industries. We also provided their market aspects and future directions that can be considered with selections of biosurfactants. This would open up new avenues for surfactant research by overcoming the existing bottlenecks in this field.
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Affiliation(s)
- Vaishnavi
S. Nagtode
- Department
of Oils, Oleochemicals and Surfactants Technology, Institute of Chemical Technology, Mumbai 400019, India
| | - Clive Cardoza
- Department
of Oils, Oleochemicals and Surfactants Technology, Institute of Chemical Technology, Mumbai 400019, India
| | - Haya Khader Ahmad Yasin
- Department
of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, United Arab Emirates
- Center
of Medical and Bio-allied Health Sciences Research, Ajman University, P.O. Box 346, Ajman, United Arab Emirates
| | - Suraj N. Mali
- Department
of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra 835215, India
| | - Srushti M. Tambe
- Department
of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai 400019, India
| | - Pritish Roy
- Department
of Oils, Oleochemicals and Surfactants Technology, Institute of Chemical Technology, Mumbai 400019, India
| | - Kartikeya Singh
- Department
of Oils, Oleochemicals and Surfactants Technology, Institute of Chemical Technology, Mumbai 400019, India
| | - Antriksh Goel
- Department
of Oils, Oleochemicals and Surfactants Technology, Institute of Chemical Technology, Mumbai 400019, India
| | - Purnima D. Amin
- Department
of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai 400019, India
| | - Bapu R. Thorat
- Department
of Chemistry, Government College of Arts
and Science, Aurangabad, Maharashtra 431001, India
| | - Jorddy N. Cruz
- Laboratory
of Modeling and Computational Chemistry, Department of Biological
and Health Sciences, Federal University
of Amapá, Macapá 68902-280, Amapá, Brazil
| | - Amit P. Pratap
- Department
of Oils, Oleochemicals and Surfactants Technology, Institute of Chemical Technology, Mumbai 400019, India
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11
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Maynard-Benson A, Alekisch M, Wall A, Billiot EJ, Billiot FH, Morris KF. Characterization of Micelle Formation by the Single Amino Acid-Based Surfactants Undecanoic L-Isoleucine and Undecanoic L-Norleucine in the Presence of Diamine Counterions with Varying Chain Lengths. COLLOIDS AND INTERFACES 2023. [DOI: 10.3390/colloids7020028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
The binding of linear diamine counterions with different methylene chain lengths to the amino-acid-based surfactants undecanoic L-isoleucine (und-IL) and undecanoic L-norleucine (und-NL) was investigated with NMR spectroscopy. The counterions studied were 1,2-ethylenediamine, 1,3-diaminopropane, 1,4-diaminobutane, 1,5-diaminopentane, and 1,6-diaminohexane. These counterions were all linear diamines with varying spacer chain lengths between the two amine functional groups. The sodium counterion was studied as well. Results showed that when the length of the counterion methylene chain was increased, the surfactants’ critical micelle concentrations (CMC) decreased. This decrease was attributed to diamines with longer methylene chains binding to multiple surfactant monomers below the CMC and thus acting as templating agents for the formation of micelles. The entropic hydrophobic effect and differences in diamine counterion charge also contributed to the size of the micelles and the surfactants’ CMCs in the solution. NMR diffusion measurements showed that the micelles formed by both surfactants were largest when 1,4-diaminobutane counterions were present in the solution. This amine also had the largest mole fraction of micelle-bound counterions. Finally, the und-NL micelles were larger than the und-IL micelles when 1,4-diaminobutane counterions were bound to the micelle surface. A model was proposed in which this surfactant formed non-spherical aggregates with both the surfactant molecules’ hydrocarbon chains and n-butyl amino acid side chains pointing toward the micelle core. The und-IL micelles, in contrast, were smaller and likely spherically shaped.
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Affiliation(s)
- Amber Maynard-Benson
- Department of Physical and Environmental Sciences, Texas A&M University-Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Mariya Alekisch
- Department of Physical and Environmental Sciences, Texas A&M University-Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Alyssa Wall
- Department of Chemistry, Carthage College, 2001 Alford Park Drive, Kenosha, WI 53140, USA
| | - Eugene J. Billiot
- Department of Physical and Environmental Sciences, Texas A&M University-Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Fereshteh H. Billiot
- Department of Physical and Environmental Sciences, Texas A&M University-Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Kevin F. Morris
- Department of Chemistry, Carthage College, 2001 Alford Park Drive, Kenosha, WI 53140, USA
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12
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Jörgensen AM, Wibel R, Bernkop-Schnürch A. Biodegradable Cationic and Ionizable Cationic Lipids: A Roadmap for Safer Pharmaceutical Excipients. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206968. [PMID: 36610004 DOI: 10.1002/smll.202206968] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Cationic and ionizable cationic lipids are broadly applied as auxiliary agents, but their use is associated with adverse effects. If these excipients are rapidly degraded to endogenously occurring metabolites such as amino acids and fatty acids, their toxic potential can be minimized. So far, synthesized and evaluated biodegradable cationic and ionizable cationic lipids already showed promising results in terms of functionality and safety. Within this review, an overview about the different types of such biodegradable lipids, the available building blocks, their synthesis and cleavage by endogenous enzymes is provided. Moreover, the relationship between the structure of the lipids and their toxicity is described. Their application in drug delivery systems is critically discussed and placed in context with the lead compounds used in mRNA vaccines. Moreover, their use as preservatives is reviewed, guidance for their design is provided, and an outlook on future developments is given.
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Affiliation(s)
- Arne Matteo Jörgensen
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innsbruck, 6020, Austria
| | - Richard Wibel
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innsbruck, 6020, Austria
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innsbruck, 6020, Austria
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13
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Tavares J, Venâncio C, Duarte C, Antunes FE, Lopes I. Adding knowledge to the design of safer hydrophobically modified poly(acrylic) acids: an ecotoxicological approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:39258-39271. [PMID: 36598726 PMCID: PMC9812012 DOI: 10.1007/s11356-022-24963-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
The architecture of hydrophobically modified polymers can be tailored to produce variants with different levels of functionality. This allows industry to apply rational design methods for the development of more environmentally friendly materials. In the present work, the ecotoxicity of six variants of hydrophobically modified poly(acrylic) acids (HMPAA), obtained by changing the crosslinked conformation, insertion position, and length of the hydrophobic groups, was assessed for the (i) bioluminescence production of Aliivibrio fischeri; (ii) population growth rate of Raphidocelis subcapitata and Chlorella vulgaris; (iii) mortality of Brachionus calyciflorus; (iv) feeding inhibition, somatic growth rate, reproduction, and mortality of Daphnia magna; and (iv) mortality and somatic growth rate of Pelophylax perezi tadpoles. The concentrations causing 50% and 20% of effects (L(E)C50 and 20, respectively) ranged from 9.64 up to > 2000 mg·L-1 for all six HMPAA and species. The bacterium A. fischeri and tadpoles of P. perezi were the most sensitive and most tolerant organisms to the six tested HMPAA, respectively. The computed 5% hazard concentrations (computed on the basis of L(E)C50 s) showed that HMPAA1 (13.0 mg·L-1) and HMPAA2 (26.1 mg·L-1) were the most toxic variants, while HMPAA6 (233 mg·L-1) the least one. These results suggest HMPAA6 (with low crosslink percentage modified by the addition of long and short hydrophobic groups at the surface) to be the most environmentally friendly variant and should be preferentially considered to be used in consumer products, compared to the other five studied variants.
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Affiliation(s)
- Jorge Tavares
- Department of Biology, University of Aveiro, Campus de Santiago, P-3810-193, Aveiro, Portugal
| | - Cátia Venâncio
- Department of Biology, University of Aveiro, Campus de Santiago, P-3810-193, Aveiro, Portugal
- CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Cláudia Duarte
- Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Filipe E Antunes
- Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Isabel Lopes
- Department of Biology, University of Aveiro, Campus de Santiago, P-3810-193, Aveiro, Portugal.
- CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193, Aveiro, Portugal.
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14
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Verma C, Hussain CM, Quraishi MA, Alfantazi A. Green surfactants for corrosion control: Design, performance and applications. Adv Colloid Interface Sci 2023; 311:102822. [PMID: 36442322 DOI: 10.1016/j.cis.2022.102822] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/17/2022] [Accepted: 11/19/2022] [Indexed: 11/23/2022]
Abstract
Surfactants enjoy an augmented share of hydrophilicity and hydrophobicity and are well-known for their anticorrosive potential. The use of non-toxic surfactants is gaining growing interest because of the scaling demands of green chemistry. Green surfactants have successfully replaced traditional toxic surfactant-based corrosion inhibitors. Recently, many reports described the corrosion inhibition potential of green surfactants. The present article aims to describe the recent advancements in using green surfactants in corrosion mitigation. They create a charge transfer barrier through their adsorption at the interface of the metal and the environment. Their adsorption is well explained by the Langmuir adsorption isotherm. In the adsorbed layer, their hydrophilic polar heads orient toward the metal side and their hydrophobic tails orient toward the solution side. They block the active sites and retard the anodic and cathodic and act as mixed-type inhibitors. Their adsorption and bonding nature are fruitfully supported by surface analyses. They can form mono- or multilayers depending upon the nature of the metal, electrolyte and experimental conditions. The challenges and opportunities of using green surfactants as corrosion inhibitors have also been described.
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Affiliation(s)
- Chandrabhan Verma
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Chaudhery Mustansar Hussain
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA.
| | - M A Quraishi
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Akram Alfantazi
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 2533, Abu Dhabi, United Arab Emirates
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15
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Singh Raman A, Muhammad AA, Singh H, Singh T, Mkhize Z, Jain P, Singh SK, Bahadur I, Singh P. A Review on Interactions between Amino Acids and Surfactants as Well as Their Impact on Corrosion Inhibition. ACS OMEGA 2022; 7:47471-47489. [PMID: 36591120 PMCID: PMC9798777 DOI: 10.1021/acsomega.2c03629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Amino acid-surfactant interactions are central to numerous studies because of their increased effectiveness in chemical, biological, household and industrial use. This review will focus on the impact and effect of the physicochemical properties, temperature, pH, and surfactant chain length of the amino acid for detailed exploration of amino acids and surfactants in aqueous medium. The impact of cosolvent on self-aggregation, critical micelle concentration (CMC), and binding affinity with other biomolecules, as well as amino acid-surfactant interactions, are the epicenters. The results show that increasing the temperature causes negative enthalpy for ionic surfactants and micellization, implying that micellization and amino acids are thermodynamically spontaneous and exothermic, accompanied by positive entropy. As these physicochemical studies are additive, the amino acid and ionic surfactant interactions provide clues on protein unfolding and denaturation under different media, which further changes with a change in physiological conditions like pH, cosolvent, chain length, and temperature. On varying the pH, the net charge of the amino acid also changes and, subsequently, the binding efficiency of the amino acids to the surfactants. The presence of cosolvent causes a lowering in the hydrophobic chain, which changes the surfactant's CMC. At a reduced CMC, the hydrophobic characteristic of amino acid-surfactant associations is amplified, leading to rapid denaturation of proteins that act as propulsion under the influence of extended chain surfactants. Amino acids are one of the most intriguing classes of chemicals that produce high inhibitory efficacy. Amino acids are also a component of proteins and therefore, found in a significant part of the human body, further making them a promising candidate as corrosion inhibitors. In this review article, authors have also focused on the collection and investigation for application of amino acid-surfactant interactions in corrosion inhibition. Various predictive studies/in silico studies are also reported by many research groups, such as density functional theory (DFT) calculations and molecular dynamics simulations to obtain tentative electronic, structural, and physiochemical characteristics like energies of the highest occupied molecular orbitals and lowest unoccupied molecular orbitals, binding energy, Gibb's free energy, electronegativity, polarizability, and entropy. In silico studies are helpful for the mechanism predictions of the process occurring on metal surfaces.
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Affiliation(s)
| | - Amina Abdullahi Muhammad
- Department
of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara144411, Punjab, India
| | - Harpreet Singh
- Department
of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara144411, Punjab, India
| | - Thishana Singh
- College
of Agriculture, Engineering and Science, School of Chemistry and Physics, University of KwaZulu-Natal, Durban4000, South Africa
| | - Zimbili Mkhize
- Department
of Chemistry, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Private Bag X2046, Mmabatho2735, South Africa
| | - Pallavi Jain
- Department
of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, NCR Campus, Modinagar, Ghaziabad603203, UP, India
| | | | - Indra Bahadur
- Department
of Chemistry, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Private Bag X2046, Mmabatho2735, South Africa
| | - Prashant Singh
- Department
of Chemistry, Atma Ram Sanatan Dharma College, University of Delhi, New Delhi110021, India
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16
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Sharma RK, Dey G, Banerjee P, Maity JP, Lu CM, Siddique JA, Wang SC, Chatterjee N, Das K, Chen CY. New aspects of lipopeptide-incorporated nanoparticle synthesis and recent advancements in biomedical and environmental sciences: a review. J Mater Chem B 2022; 11:10-32. [PMID: 36484467 DOI: 10.1039/d2tb01564a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The toxicity of metal nanoparticles has introduced promising research in the current scenario since an enormous number of people have been potentially facing this problem in the world. The extensive attention on green nanoparticle synthesis has been focussed on as a vital step in bio-nanotechnology to improve biocompatibility, biodegradability, eco-friendliness, and huge potential utilization in various environmental and clinical assessments. Inherent influence on the study of green nanoparticles plays a key role to synthesize the controlled and surface-influenced molecule by altering the physical, chemical, and biological assets with the provision of various precursors, templating/co-templating agents, and supporting solvents. However, in this article, the dominant characteristics of several kinds of lipopeptide biosurfactants are discussed to execute a critical study of factors affecting synthesis procedure and applications. The recent approaches of metal, metal oxide, and composite nanomaterial synthesis have been deliberated as well as the elucidation of the reaction mechanism. Furthermore, this approach shows remarkable boosts in the production of nanoparticles with the very less employed harsh and hazardous processes as compared to chemical or physical method-based nanoparticle synthesis. This study also shows that the advances in strain selection for green nanoparticle production could be a worthwhile and strong economical approach in futuristic medical science research.
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Affiliation(s)
- Raju Kumar Sharma
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.,Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.
| | - Gobinda Dey
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Pritam Banerjee
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Jyoti Prakash Maity
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Chemistry, School of Applied Sciences, KIIT Deemed to be University, Bhubaneswar, Odisha 751024, India
| | - Chung-Ming Lu
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Chemical Engineering, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | | | - Shau-Chun Wang
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Nalonda Chatterjee
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.
| | - Koyeli Das
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Chien-Yen Chen
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.
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17
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Singh S, Sequeira RA, Kumar P, Ghadge VA, Vaghela P, Mohanty AK, Ghosh A, Prasad K, Shinde PB. Selective Partition of Lipopeptides from Fermentation Broth: A Green and Sustainable Approach. ACS OMEGA 2022; 7:46646-46652. [PMID: 36570225 PMCID: PMC9774373 DOI: 10.1021/acsomega.2c05587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Lipopeptide (LP) biosurfactants from microbes have the potential to gradually replace chemical synthetic surfactants and fit the contemporary green and sustainable industrial production concept. However, their active participation is comparatively low in the global market pertaining to their low yield in microbial broth and costly downstream processes arising due to tedious isolation and purification methods. Herein, an efficient extraction method is developed that utilizes an aqueous biphasic system (ABS) comprising ionic liquids and polypropylene glycol 400 (PPG) to selectively extract a mixture of cyclic lipopeptides, namely, surfactin and fengycin from the culture broth of Bacillus amyloliquefaciens 5NPA-1, isolated from the halophyte Salicornia brachiata Roxb. Out of four different ABSs, the ABS composed of 2-hydroxyethyl ammonium formate and PPG displayed a maximum extraction efficiency of 82.30%. PPG-rich phase containing lipopeptides exhibited excellent antimicrobial and mosquito larvicidal properties with no toxic effect on plants. The developed method is simple, novel and accelerates the application of cyclic lipopeptides produced by the microbial source.
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Affiliation(s)
- Sanju Singh
- Natural
Products & Green Chemistry Division, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI),
Council of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
| | - Rosy Alphons Sequeira
- Natural
Products & Green Chemistry Division, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI),
Council of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
| | - Pankaj Kumar
- Natural
Products & Green Chemistry Division, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI),
Council of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
| | - Vishal A. Ghadge
- Natural
Products & Green Chemistry Division, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI),
Council of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
| | - Pradipkumar Vaghela
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
- Applied
Phycology and Biotechnology Division, CSIR-Central
Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Council
of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
| | - Ajeet Kumar Mohanty
- ICMR-National
Institute of Malaria Research, Field Unit, Campal, Panaji403001Goa, India
| | - Arup Ghosh
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
- Applied
Phycology and Biotechnology Division, CSIR-Central
Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Council
of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
| | - Kamalesh Prasad
- Natural
Products & Green Chemistry Division, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI),
Council of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
| | - Pramod B. Shinde
- Natural
Products & Green Chemistry Division, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI),
Council of Scientific and Industrial Research (CSIR), Bhavnagar364002Gujarat, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India
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18
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Clouding development, interaction, and thermodynamics of triton X-100 + sodium alginate mixture: Impacts of sodium salts and hydrotropic compositions. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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19
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Self-assembly, surface, antibacterial, and solubilization properties of phenylglycine type amino acid-based cationic surfactants. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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20
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Krzan M, Jarek E, Petkova H, Santini E, Szyk-Warszynska L, Ravera F, Liggieri L, Mileva E, Warszynski P. Hydrophobisation of Silica Nanoparticles Using Lauroyl Ethyl Arginate and Chitosan Mixtures to Induce the Foaming Process. Polymers (Basel) 2022; 14:polym14194076. [PMID: 36236025 PMCID: PMC9573722 DOI: 10.3390/polym14194076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/22/2022] [Accepted: 09/22/2022] [Indexed: 01/18/2023] Open
Abstract
We studied silica suspensions with chitosan and biodegradable synthetic surfactant lauroyl ethyl arginate (LAE). Hydrophilic and negatively charged silica nanoparticles were neutralised due to the coating with chitosan. That presence of LAE led to the partial hydrophobisation of their surface, which favoured their attachment to the surface of a thin foam film. It was found that the presence of small and medium-sized (6–9 nm) hydrophobic particles in the interfacial layer of lamella foam film inhibited the coalescence and coarsening processes, which prolonged the life of the foam. Furthermore, hydrophobising of 30 nm particles allowed the formation of large aggregates precipitating from the mixture under steady-state conditions. These aggregates, however, under the conditions of the dynamic froth flotation process in the foam column, were floated into the foam layer. As a result, they were trapped in the foam film and Plateau borders, effectively preventing liquid leakage out of the foam. These results demonstrate the efficiency of using chitosan-LAE mixtures to remove silica nanoparticles from aqueous phase by foaming and flotation.
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Affiliation(s)
- Marcel Krzan
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
- Correspondence:
| | - Ewelina Jarek
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
| | - Hristina Petkova
- Institute of Physical Chemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., bl. 11, 1113 Sofia, Bulgaria
| | - Eva Santini
- Institute of Condensed Matter Chemistry and Technologies for Energy, Consiglio Nazionale delle Ricerche, Via Marini 6, 16149 Genoa, Italy
| | - Lilianna Szyk-Warszynska
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
| | - Francesca Ravera
- Institute of Condensed Matter Chemistry and Technologies for Energy, Consiglio Nazionale delle Ricerche, Via Marini 6, 16149 Genoa, Italy
| | - Libero Liggieri
- Institute of Condensed Matter Chemistry and Technologies for Energy, Consiglio Nazionale delle Ricerche, Via Marini 6, 16149 Genoa, Italy
| | - Elena Mileva
- Institute of Physical Chemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., bl. 11, 1113 Sofia, Bulgaria
| | - Piotr Warszynski
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
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21
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Mixed micellar systems — efficient nanocontainers for the delivery of hydrophobic substrates. Russ Chem Bull 2022. [DOI: 10.1007/s11172-022-3607-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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22
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Selective and quantitative functionalization of unprotected α-amino acids using a recyclable homogeneous catalyst. Chem 2022. [DOI: 10.1016/j.chempr.2022.08.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Ng YJ, Lim HR, Khoo KS, Chew KW, Chan DJC, Bilal M, Munawaroh HSH, Show PL. Recent advances of biosurfactant for waste and pollution bioremediation: Substitutions of petroleum-based surfactants. ENVIRONMENTAL RESEARCH 2022; 212:113126. [PMID: 35341755 DOI: 10.1016/j.envres.2022.113126] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 06/14/2023]
Abstract
Biosurfactant is one of the emerging compounds in the industrial sector that behaves similarly with their synthetic counterparts, as they can reduce surface and interfacial tension between two fluids. Their unique properties also enable biosurfactant molecules to be able to clump together to form micelles that can capture targeted molecules within a solution. Biosurfactants are compared with synthetic surfactants on various applications for which the results shows that biosurfactants are fully capable of replacing synthetic surfactants in applications including enhanced oil recovery and wastewater treatment applications. Biosurfactants are able to be used in different applications as well since they are less toxic than synthetic surfactants. These applications include bioremediation on oil spills in the marine environment and bioremediation for contaminated soil and water, as well as a different approach on the pharmaceutical applications. The future of biosurfactants in the pharmaceutical industry and petroleum industry as well as challenges faced for implementing biosurfactants into large-scale applications are also discussed at the end of this review.
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Affiliation(s)
- Yan Jer Ng
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.
| | - Hooi Ren Lim
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.
| | - Kuan Shiong Khoo
- Faculty of Applied Science, UCSI University. No. 1, Jalan Menara Gading, UCSI Heights, 56000, Cheras Kuala Lumpur, Malaysia.
| | - Kit Wayne Chew
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900, Sepang, Selangor Darul Ehsan, Malaysia; College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.
| | - Derek Juinn Chieh Chan
- School of Chemical Engineering, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia.
| | - Muhammad Bilal
- School of Life Sciences and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Heli Siti Halimatul Munawaroh
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Bandung 40154, West Java, Indonesia.
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia; Zhejiang Provincial Key Laboratory for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou 325035, China.
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24
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Experimental investigation of N-lauroyl sarcosine and N-lauroyl-L-glutamic acid as green surfactants for enhanced oil recovery application. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Rajput G, Janni DS, Subramanyam G, Ray D, Aswal V, Varade D. Novel approach for tuning micellar characteristics and rheology of a sulfate-free anionic surfactant sodium cocoyl glycinate. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Baghishov I, Abeykoon GA, Wang M, Oyenowo OP, Argüelles-Vivas FJ, Okuno R. A Mechanistic Comparison of Formate, Acetate, and Glycine as Wettability Modifiers for Carbonate and Shale Formations. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Ikeda N, Aramaki K. Hydrogel Formation by Glutamic-acid-based Organogelator Using Surfactant-mediated Gelation. J Oleo Sci 2022; 71:1169-1180. [PMID: 35793975 DOI: 10.5650/jos.ess22080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Hydrogels formed by low-molecular-weight gelators have reversible sol-gel transition and responsiveness to various stimuli, and are used in cosmetics and drug applications. It is challenging to obtain hydrogels using novel gelators because subtle differences in their molecular architecture affect gelation. Organogelators (which form organogels) are insoluble in water, and their use as hydrogelators has not previously been considered. However, a surfactant-mediated gelation method was reported in which organogelators were solubilized in water by surfactants to form hydrogels using 12-hydroxyoctadecanoic acid. To investigate whether this method can be applied with other organogelators, the formation of hydrogel using a glutamic-acid-based organogelator was studied here. Hydrogels were formed by solubilizing 1:1 mixtures of glutamate-based organogelators, N-lauroyl-L-glutamic acid dibuthylamide, and N-2-ethylhexanoyl-L-glutamic acid dibutylamide in aqueous micellar solutions of anionic surfactant (sodium lauroyl glutamate) and cationic surfactant (cetyltrimethylammonium chloride). The minimum gelation concentration of the hydrogel was ~0.2-0.6 wt%. By changing the molar fraction of cetyltrimethylammonium chloride in the mixed surfactant, either spherical or wormlike micelles were formed. The hydrogel with wormlike micelles had a higher sol-gel transition temperature than that with spherical micelles and formed fine self-assembled fibrillar networks. Additionally, the hydrogel with the spherical micelles was elastic, whereas that with wormlike micelles was viscoelastic, suggesting that networks of the organogelators and wormlike micelles coexisted in the hydrogel from the wormlike micellar solution. Moreover, the hydrogel suppressed the reduction in the storage modulus at higher temperatures compared with the micellar aqueous solution, indicating that the elastic properties of the organogelator networks were maintained at high temperatures. The gel fibers of the hydrogel partially formed a loosely aggregated structure as the temperature increased, the fibers bundled via hydrophobic interactions, and new cross-linking points formed spontaneously. This phenomenon corresponded with an inflection point in the temperature-dependent storage modulus of the hydrogel.
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Affiliation(s)
- Naoaki Ikeda
- Graduate School of Environment and Information Sciences, Yokohama National University.,Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc
| | - Kenji Aramaki
- Graduate School of Environment and Information Sciences, Yokohama National University
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28
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Sharma H, Tyagi R. Influence of inorganic and organic electrolytes on the micellization of synthesized
γ‐alkyl
(
C
12
and
C
14
) aspartate. J SURFACTANTS DETERG 2022. [DOI: 10.1002/jsde.12596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Himani Sharma
- Department of Chemistry Jaypee University of Engineering and Technology Guna India
| | - Rashmi Tyagi
- Department of Chemistry Jaypee University of Engineering and Technology Guna India
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29
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Najeeb J, Farwa U, Ishaque F, Munir H, Rahdar A, Nazar MF, Zafar MN. Surfactant stabilized gold nanomaterials for environmental sensing applications - A review. ENVIRONMENTAL RESEARCH 2022; 208:112644. [PMID: 34979127 DOI: 10.1016/j.envres.2021.112644] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 12/11/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Surfactant stabilized Gold (Au) nanomaterials (NMs) have been documented extensively in recent years for numerous sensing applications in the academic literature. Despite the crucial role these surfactants play in the sensing applications, the comprehensive reviews that highlights the fundamentals associated with these assemblies and impact of these surfactants on the properties and sensing mechanisms are still quite scare. This review is an attempt in organizing the vast literature associated with this domain by providing critical insights into the fundamentals, preparation methodologies and sensing mechanisms of these surfactant stabilized Au NMs. For the simplification, the surfactants are divided into the typical and advanced surfactants and the Au NMs are classified into Au nanoparticles (NPs) and Au nanoclusters (NCs) depending upon the complexity in structure and size of the NMs respectively. The preparative methodologies are also elaborated for enhancing the understanding of the readers regarding such assemblies. The case studies regarding surfactant stabilized Au NMs were further divided into colorimetric sensors, surface plasmonic resonance (SPR) based sensors, luminescence-based sensors, and electrochemical/electrical sensors depending upon the property utilized by the sensor for the sensing of an analyte. Future perspectives are also discussed in detail for the researchers looking for further progress in that particular research domain.
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Affiliation(s)
- Jawayria Najeeb
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Umme Farwa
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Fatima Ishaque
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Hira Munir
- Department of Biochemistry and Biotechnology, University of Gujrat, Gujrat, 50700, Pakistan
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, 98615-538, Iran
| | - Muhammad Faizan Nazar
- Department of Chemistry, Division of Science and Technology, University of Education Lahore, Multan Campus, 60700, Pakistan.
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30
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Guo J, Sun L, Zhang F, Sun B, Xu B, Zhou Y. Review: Progress in synthesis, properties and application of amino acid surfactants. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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31
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Li Y, Huang J, Lin L, Xu H. Study on the synthesis and performance of sodium 2-laurylamido isobutyrate. TENSIDE SURFACT DET 2022. [DOI: 10.1515/tsd-2021-2377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In the present work, sodium 2-laurylamido isobutyrate was synthesized from 2-aminoisobutyric acid, NaOH and lauroyl chloride by the Schotten-Baumann condensation. Fourier transform infrared spectroscopy, mass spectroscopy and nuclear magnetic resonance spectroscopy were used to characterize the products, and confirming the successful synthesis of sodium 2-laurylamido isobutyrate. The influence of temperature on the surface tension of sodium 2-laurylamido isobutyrate was studied, comparing the chemical properties of the surface with those of sodium N-lauroyl sarcosinate. The results indicate that both surfactants have a similar pC
20, while the critical micelle concentration (CMC) and the surface tension at the critical micelle concentration (γ
CMC) of sodium 2-laurylamido isobutyrate are higher than those of sodium N-lauroyl sarcosinate. Further studies on the thermodynamic parameters of sodium 2-laurylamido isobutyrate and sodium N-lauroyl sarcosinate indicate that the formation of micelles is a spontaneous exothermic process mainly driven by entropy. According to the dynamic surface tension of sodium 2-laurylamido isobutyrate and sodium N-lauroyl sarcosinate, the molecular adsorption of the two components mixture change from the initial diffusion controlled adsorption to the later mixed dynamic controlled adsorption.
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Affiliation(s)
- Ying Li
- School of Chemical and Material Engineering , Jiangnan University , Wuxi , P. R. China
| | - Jian Huang
- School of Chemical and Material Engineering , Jiangnan University , Wuxi , P. R. China
| | - Liangliang Lin
- School of Chemical and Material Engineering , Jiangnan University , Wuxi , P. R. China
| | - Hujun Xu
- School of Chemical and Material Engineering , Jiangnan University , Wuxi , P. R. China
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32
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Mijaljica D, Spada F, Harrison IP. Skin Cleansing without or with Compromise: Soaps and Syndets. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27062010. [PMID: 35335373 PMCID: PMC8954092 DOI: 10.3390/molecules27062010] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/18/2022] [Accepted: 03/18/2022] [Indexed: 11/16/2022]
Abstract
Products designed to cleanse the skin commonly do so through surfactant action, which leads to the lowering of the surface tension of the skin to facilitate the removal of dirt from its surface. Skin cleansers generally come in one of two types: soap-based and synthetic detergents, or syndets. While the latter can effectively maintain the native skin structure, function and integrity, the former tends to negatively affect the skin by causing barrier disruption, lipid dissolution and pH alteration. Despite this, soap is still often preferred, possibly due to the negative connotations around anything that is not perceived as 'natural'. It is, therefore, important that the science behind cleansers, especially those designed for the maintenance of healthy skin and the management of common skin conditions such as eczema, be understood by both formulators and end-users. Here, we carefully weigh the advantages and disadvantages of the different types of surfactant-the key ingredient(s) in skin cleansers-and provide insight into surfactants' physicochemical properties, biological activity and potential effects. Fine-tuning of the complex characteristics of surfactants can successfully lead to an 'optimal' skin cleanser that can simultaneously be milder in nature, highly effective and beneficial, and offer minimal skin interference and environmental impact.
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33
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Huang J, Xu H. Investigation of the synergistic effect and the morphology of the binary compound systems with potassium N-lauroyl glycinate. TENSIDE SURFACT DET 2022. [DOI: 10.1515/tsd-2021-2376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Potassium N-lauroyl glycinate (PLG) is an amino acid surfactant widely used in detergents and has excellent chemical properties. In the present work, PLG was mixed in different molar ratios (α1) with the commonly used amphoteric surfactant lauryl amidopropyl betaine (LAB) or the non-ionic surfactant alkyl glycoside (APG). Subsequently, the surface tension, average hydrodynamic radius and number of micellar aggregates of the individual surfactants and the compound systems were measured using the hanging plate method, dynamic light scattering and fluorescence probe method, respectively, and the corresponding surface activity parameters were calculated. The results show that the binary PLG/LAB and PLG/APG systems exhibit non-ideal behaviour and that there was mutual attraction in the systems. The broad distribution of the micelle radius of the PLG/LAB compound system indicates that there are two types of micelles, namely spherical and rod-shaped in the systems. The distribution of the micelle radius of the PLG/APG compound system decreases to the minimum value at α
1 = 0.5. At α
1 = 0.7 and 0.9, double peaks and a broad distribution were also observed. The number of micelle aggregates in the PLG/LAB and PLG/APG compound systems is less than that of the individual surfactants at the respective mole fractions.
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Affiliation(s)
- Jian Huang
- School of Chemical and Material Engineering, Jiangnan University , Wuxi , Jiangsu , P. R. China
| | - Hujun Xu
- School of Chemical and Material Engineering, Jiangnan University , Wuxi , Jiangsu , P. R. China
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34
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Borkowski M, Orvalho S, Warszyński P, Demchuk OM, Jarek E, Zawala J. Experimental and theoretical study of adsorption of synthesized amino acid core derived surfactants at an air/water interface. Phys Chem Chem Phys 2022; 24:3854-3864. [PMID: 35088773 DOI: 10.1039/d1cp05322a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The adsorption characteristics of amino acid surfactants, synthesized as substances with different volumes and hydrophilic head properties, have been previously described experimentally, without robust theoretical explanation. A theoretical model enabling the characterization of the adsorption behavior and physicochemical properties of this type of biodegradable surfactants, based on molecular structure, would be beneficial for assessment of their usefulness in colloids and interface science in comparison with typical surface-active substances. In this paper, the adsorption behaviour of synthesized amino acid surfactants at the liquid/gas interface was analyzed experimentally (by surface tension measurements using two independent techniques) and theoretically by means of an elaborate model, considering the volume of the surfactant hydrophilic "head" and its ionization degree. It was shown that the adsorption behavior of the synthesized compounds can be successfully described by the proposed model, including the Helfand-Frisch-Lebowitz isotherm based on the equation of state of 2D hard disk-like particles, with molecular properties of surfactant particles obtained using molecular dynamics simulations (MDS). Model parameters allow for direct comparison of physicochemical properties of synthesized amino acid surfactants with other ionic and non-ionic surface-active substances. Furthermore, it was revealed that intermolecular hydrogen bonds allow the formation of surfactant dimers with high surface activity.
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Affiliation(s)
- M Borkowski
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland.
| | - S Orvalho
- Institute of Chemical Process Fundamentals, Czech Academy of Sciences, Rozvojova 135/1, 165 02 Prague 6, Suchdol, Czech Republic
| | - P Warszyński
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland.
| | - Oleg M Demchuk
- Faculty of Science and Health, The John Paul II Catholic University of Lublin, 1h-Konstantynów St., 20-708 Lublin, Poland.,SBŁ-Pharmaceutical Research Institute, 8-Rydygiera St., 01-793 Warsaw, Poland
| | - E Jarek
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland.
| | - J Zawala
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland. .,Department of Chemical Engineering, Stanford University, 443 Via Ortega, Shriram Center, Stanford, CA 94305, USA
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35
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Silva IA, Almeida FCG, Souza TC, Bezerra KGO, Durval IJB, Converti A, Sarubbo LA. Oil spills: impacts and perspectives of treatment technologies with focus on the use of green surfactants. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:143. [PMID: 35119559 DOI: 10.1007/s10661-022-09813-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Oil spills into the oceans cause irreparable damage to marine life and harms the coastal population of the affected areas. The main measures to be taken in response to an oil spill are to reduce the impact on marine life, prevent oil from reaching the shore through its recovery, and accelerate the degradation of unrecovered oil. Any environmental damage can be reduced if the spilled oil is removed from the water quickly and efficiently. Therefore, it is essential to know the treatment strategies for spilled oils. Several technologies are currently available, including booms, skimmers, in situ burning, use of adsorbents, dispersants/surfactants, and bioremediation. The selection of the type of treatment will depend not only on the effectiveness of the technique, but mainly on the type of oil, amount spilled, location, weather, and sea conditions. In this review, the characteristics of oil spills, their origin, destination, and impacts caused, including major accidents around the world, are initially addressed. Then, the main physical, chemical, and biological treatment technologies are presented, describing their advances, advantages, and drawbacks, with a focus on the use of green surfactants. These agents will be described in detail, showing the evolution of research, recent studies, patents, and commercialized products. Finally, the challenges that remain due to spills, the necessary actions, and the prospects for the development of existing treatment technologies are discussed, which must be linked to the use of combined techniques.
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Affiliation(s)
- Ivison A Silva
- Rede Nordeste de Biotecnologia (RENORBIO), Universidade Federal Rural de Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, Dois Irmãos, Recife, Pernambuco CEP, 52171-900, Brazil
- Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, PradoPernambuco, CEP, 50751-310, Brazil
| | - Fabíola C G Almeida
- Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, PradoPernambuco, CEP, 50751-310, Brazil
| | - Thaís C Souza
- Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, PradoPernambuco, CEP, 50751-310, Brazil
- Centro de Ciências Exatas e Naturais, Departamento de Ciência dos Materiais, Universidade Federal de Pernambuco (UFPE), CEP, Rua prof. Moraes Rêgo, n. 1235, Cidade Universitária, Recife, Pernambuco, 50670-901, Brazil
| | - Káren G O Bezerra
- Rede Nordeste de Biotecnologia (RENORBIO), Universidade Federal Rural de Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, Dois Irmãos, Recife, Pernambuco CEP, 52171-900, Brazil
- Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, PradoPernambuco, CEP, 50751-310, Brazil
| | - Italo J B Durval
- Rede Nordeste de Biotecnologia (RENORBIO), Universidade Federal Rural de Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, Dois Irmãos, Recife, Pernambuco CEP, 52171-900, Brazil
- Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, PradoPernambuco, CEP, 50751-310, Brazil
| | - Attilio Converti
- Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, PradoPernambuco, CEP, 50751-310, Brazil
- Dipartimento di Ingegneria Civile, Chimica e Ambientale (DICCA), Università Degli Studi di Genova (UNIGE), Via Opera Pia 15, 16145, Genova, Italia
| | - Leonie A Sarubbo
- Instituto Avançado de Tecnologia e Inovação (IATI), Rua Potyra, n. 31, PradoPernambuco, CEP, 50751-310, Brazil.
- Escola Icam Tech, Universidade Católica de Pernambuco (UNICAP), CEP, Rua do Príncipe, n. 526, Boa Vista, Recife, Pernambuco, 50050-900, Brazil.
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36
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Lima TB, Silva-Stenico ME, Fiore MF, Etchegaray A. Microcystins can be extracted from Microcystis aeruginosa using amino acid-derived biosurfactants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:8767-8778. [PMID: 34491500 DOI: 10.1007/s11356-021-16257-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 08/26/2021] [Indexed: 06/13/2023]
Abstract
Microcystin, a cyanotoxin produced by Microcystis aeruginosa growing in eutrophic waters, can promote liver tumors in people ingesting contaminated water. To date, water treatment systems have not been effective in removing or degrading these cyanotoxins. In this work, we investigated the inhibitory activity of surfactants on the growth of M. aeruginosa and their application to extract the intracellular produced cyanotoxins. The experiments involving growth inhibition and extraction of cyanotoxins were carried out using the non-biodegradable surfactant cetyl trimethyl ammonium bromide (CTAB) in addition to other biodegradable surfactants. These were Tween 80 and surfactants derived from amino acids and peptides, respectively, from arginine, SDA, and hydrolyzed peptone, SDP. We demonstrated that the tested surfactants could be used to inhibit the growth of M. aeruginosa. At this point, CTAB and SDA proved to be the most competent surfactants in reducing cyanobacterial growth. Moreover, microcystins have been successfully removed from the water employing a cloud point extraction protocol based on the use of these surfactants and ammonium sulfate.
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Affiliation(s)
- Tatiani Brenelli Lima
- Center for Exact, Environmental and Technological Sciences, Faculty of Chemistry, Pontifical Catholic University of Campinas, R. Prof. Dr. Euryclides de Jesus Zerbini, 1516, Campinas, SP, 13087-571, Brazil
| | - Maria Estela Silva-Stenico
- Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário, 303, Piracicaba, SP, 13416-903, Brazil
| | - Marli F Fiore
- Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário, 303, Piracicaba, SP, 13416-903, Brazil
| | - Augusto Etchegaray
- Center for Exact, Environmental and Technological Sciences, Faculty of Chemistry, Pontifical Catholic University of Campinas, R. Prof. Dr. Euryclides de Jesus Zerbini, 1516, Campinas, SP, 13087-571, Brazil.
- Center for Life Sciences, Post-Graduate Course in Health Sciences, Pontifical Catholic University of Campinas, R. Prof. Dr. Euryclides de Jesus Zerbini, 1516, Campinas, SP, 13087-571, Brazil.
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37
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Song Y, Gao S, Yao Y, Zheng H, Niu Y. Synergism and properties of binary mixtures based on an arginine dodecyl ester surfactant. NEW J CHEM 2022. [DOI: 10.1039/d2nj02680e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The properties of binary mixtures of new cationic amino acid surfactant arginine dihydrochloride dodecyl ester (ADDE) with alkyl poly glycosides (APGs) were studied systematically by evaluating surface tension, conductivity, dynamic...
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38
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Srivastava V. Ru Nanoparticle Functionalized Silica Nanotubes as a Catalyst for CO2
Hydrogenation Reaction. LETT ORG CHEM 2022. [DOI: 10.2174/1570178618666210810151325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
The catalytic display of supported heterogeneous catalysts is essentially reliant on their
constitutive elements, including active species and supports. Accordingly, the scheme and development
of active catalysts with synergistically enhanced outcomes between active sites and supports
are of high importance. A simple NaBH4 reduction method was used to synthesize cylindrical
amine-functionalized silica nanotubes supported Ru catalyst (ASNT@Ru catalyst), including
amine functionality. The physicochemical properties of the material were analyzed by various analytical
methods such as SEM-TEM analysis, N2 physisorption, ICP-OES, XPS, etc., and all the data
were found in good agreement with each other. Amine-free SNT support using the calcination
process was also synthesized to examine the effect of amine in ASNT support on the uniform Ru
dispersion. Taking advantage of the fundamental physical and chemical properties of ASNT support
and well-distributed Ru NPs, the ASNT@Ru catalyst was utilized for CO2 hydrogenation reaction,
which gave excellent catalytic activity/ stability in terms of a good quantity of the formic.
Catalysts recycling was recorded five times, and formic acid was obtained in good quantity.
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Affiliation(s)
- Vivek Srivastava
- Mathematics & Basic Science: Chemistry, NIIT University, NH-8 Jaipur/Delhi Highway, Neemrana (Rajasthan), Pin
Code: 301705, India
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39
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Zieniuk B, Białecka-Florjańczyk E, Wierzchowska K, Fabiszewska A. Recent advances in the enzymatic synthesis of lipophilic antioxidant and antimicrobial compounds. World J Microbiol Biotechnol 2021; 38:11. [PMID: 34873650 PMCID: PMC8648661 DOI: 10.1007/s11274-021-03200-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 11/29/2021] [Indexed: 12/15/2022]
Abstract
Due to the increase in the consumption of highly processed food in developed countries, as well as, a growing number of foodborne diseases, exploration of new food additives is an issue focusing on scientific attention and industrial interest. Functional compounds with lipophilic properties are remarkably desirable due to the high susceptibility to the deterioration of lipid-rich food products. This paper in a comprehensive manner provides the current knowledge about the enzymatic synthesis of lipophilic components that could act as multifunctional food additives. The main goal of enzymatic lipophilization of compounds intentionally added to food is to make these substances soluble in lipids and/or to obtain environmentally friendly surfactants. Moreover, lipase-catalyzed syntheses could result in changes in the antioxidant and antimicrobial activities of phenolic compounds, carbohydrates, amino acids (oligopeptides), and carboxylic acids. The review describes also the implementation of a new trend in green chemistry, where apart from simple and uncomplicated chemical compounds, the modifications of multi-compound mixtures, such as phenolic extracts or essential oils have been carried out.
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Affiliation(s)
- Bartłomiej Zieniuk
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776, Warsaw, Poland.
| | - Ewa Białecka-Florjańczyk
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776, Warsaw, Poland
| | - Katarzyna Wierzchowska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776, Warsaw, Poland
| | - Agata Fabiszewska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776, Warsaw, Poland
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Manyala DL, Varade D. Formation and characterization of microemulsion with novel anionic sodium N-lauroylsarcosinate for personal care. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117657] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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41
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Wongwanichkangwarn I, Limtrakul S, Vatanatham T, Ramachandran PA. Amidation Reaction System: Kinetic Studies and Improvement by Product Removal. ACS OMEGA 2021; 6:30451-30464. [PMID: 34805675 PMCID: PMC8600525 DOI: 10.1021/acsomega.1c03843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/22/2021] [Indexed: 06/13/2023]
Abstract
The amidation reaction to produce fatty acid diethanolamide is an important unit process to produce surfactants from renewable sources rather than from petroleum sources. Amidation is a liquid-phase reaction between diethanolamine with a fatty acid methyl ester. Since the reaction is reversible, the conversion is limited by equilibrium, the side product being methanol, which is volatile. Hence, mass transfer effects need to be considered in the interpretation of kinetic data. Further, the elimination of methanol can help to shift the reaction forward. Thus, the process has the potential for process intensification. This paper provides a batch reactor model to interpret the simulation data and includes mass transfer effects analyzed using a dimensionless mass transfer parameter (αlg). Using values of this parameter greater than 4 leads to an equilibrium model where the methanol partial pressure in the bulk gas approaches that at the interface. Using this model, the kinetic and equilibrium parameters for the amidation reaction were determined using experimental data in the first part of this study. The experimental data for fitting the parameters are obtained from a closed batch reactor operated with an initial pressure of 1 bar and a temperature range of 70-80 °C. The second part of the paper examines two process-intensification concepts-viz., inert gas and vacuum stripping of methanol from the reactor-and simulates the process in the form of mass-transfer-based models. Improvement in the final conversion was demonstrated in both approaches, and predictions of the vacuum stripping model are in good agreement with the experimental results. Thus, the developed vacuum stripping model is useful for accurate analysis and design of a reactor with vacuum stripping. The novelty of the work is obtaining rate and reaction equilibrium constants, enthalpy of reaction, and liquid activity coefficient for amidation, which have no prior reporting, and providing the viability of options for side product removal. The applied modeling approaches and the experimental facilities and methods are established.
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Affiliation(s)
- Issadaporn Wongwanichkangwarn
- Department
of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
- Center
of Excellence on Petrochemical and Materials Technology, Department
of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
- Center
for Advanced Studies in Industrial Technology, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
| | - Sunun Limtrakul
- Department
of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
- Center
of Excellence on Petrochemical and Materials Technology, Department
of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
- Center
for Advanced Studies in Industrial Technology, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
| | - Terdthai Vatanatham
- Department
of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
- Center
of Excellence on Petrochemical and Materials Technology, Department
of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
- Center
for Advanced Studies in Industrial Technology, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
| | - Palghat A. Ramachandran
- Department
of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
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Surfactant properties of chemically modified chitooligosaccharides and their potential application in bitumen emulsions. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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43
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Hussain SS, Kamal MS, Mahboob A. Synthesis and evaluation of magnetic surfactants for high temperature oilfield application. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ethyl Lauroyl Arginate, an Inherently Multicomponent Surfactant System. Molecules 2021; 26:molecules26195894. [PMID: 34641438 PMCID: PMC8512375 DOI: 10.3390/molecules26195894] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/23/2021] [Accepted: 09/25/2021] [Indexed: 11/24/2022] Open
Abstract
Ethyl lauroyl arginate (LAE) is an amino acid-based cationic surfactant with low toxicity and antimicrobial activity. It is widely used as a food preservative and component for food packaging. When stored, LAE decomposes by hydrolysis into surface-active components Nα-lauroyl–l-arginine (LAS) or dodecanoic (lauric) acid. There are only a limited number of reports considering the mechanism of surface activity of LAE. Thus, we analysed the surface tension isotherm of LAE with analytical standard purity in relation to LAE after prolonged storage. We used quantum mechanical density functional theory (DFT) computations to determine the preferred hydrolysis path and discuss the possibility of forming highly surface-active heterodimers, LAE-dodecanoate anion, or LAE-LAS. Applying molecular dynamics simulations, we determined the stability of those dimers linked by electrostatic interactions and hydrogen bonds. We used the adsorption model of surfactant mixtures to successfully describe the experimental surface tension isotherms. The real part surface dilational modulus determined by the oscillation drop method follows a diffusional transport mechanism. However, the nonlinear response of the surface tension could be observed for LAE concentration close to and above Critical Micelle Concentration (CMC). Nonlinearity originates from the presence of micelles and the reorganisation of the interfacial layer.
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Ceratonia Siliqua L seeds extract as eco-friendly corrosion inhibitor for carbon steel in 1 M HCl: Characterization, electrochemical, surface analysis, and theoretical studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130611] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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46
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Impact of Processing Conditions on Rheology, Tribology and Wet Lubrication Performance of a Novel Amino Lipid Hair Conditioner. COSMETICS 2021. [DOI: 10.3390/cosmetics8030077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The objective of this work was to carry out a comprehensive evaluation of the performance of a novel cationic amino lipid surfactant, Brassicyl Valinate Esylate (BVE), in contrast to conventional alkyl quaternary ammonium surfactants (quats), through a study of the effects of process mixing speed on its overall rheological, tribological and wet lubrication performance in comparison to BTAC and CTAC, two cationic surfactants widely used in cosmetics. The major cosmetic application of cationic surfactants is in the preparation of hair conditioners. Hence, this analysis was done firstly by conducting tensile combing tests to evaluate reduction in wet lubrication which translates to conditioning performance. The combing results serve as a testing metric that adequately corresponds to consumer perception of conditioned hair. To correlate this technically, yield stress measurements were conducted to establish rheologic profiles of the conditioner formulations, and in vitro tribological testing of the emulsion systems between two steel surfaces were done to technically simulate the spreading and rubbing of conditioner on the hair. The effect of processing conditions on the formulations was then evaluated. BVE was found to be an effective conditioning surfactant suitable as an eco-friendly replacement for BTAC and CTAC in hair conditioner formulations. The results showed that higher shear mixing rates during formulation lead to poorer performance effects evident through decreased yield stress values, lower percentage reduction in combing force and a higher coefficient of friction.
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Zhang J, Li Q, Wang S, Zhang G, He S, Liu C, Wang C, Xu B. Preparation, surface activities, and aggregation behaviors of N-acyl oligopeptide surfactants based on glycylglycine and glycylglycylglycine. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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48
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Janek T, Gudiña EJ, Połomska X, Biniarz P, Jama D, Rodrigues LR, Rymowicz W, Lazar Z. Sustainable Surfactin Production by Bacillus subtilis Using Crude Glycerol from Different Wastes. Molecules 2021; 26:molecules26123488. [PMID: 34201182 PMCID: PMC8230125 DOI: 10.3390/molecules26123488] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/04/2021] [Accepted: 06/04/2021] [Indexed: 11/16/2022] Open
Abstract
Most biosurfactants are obtained using costly culture media and purification processes, which limits their wider industrial use. Sustainability of their production processes can be achieved, in part, by using cheap substrates found among agricultural and food wastes or byproducts. In the present study, crude glycerol, a raw material obtained from several industrial processes, was evaluated as a potential low-cost carbon source to reduce the costs of surfactin production by Bacillus subtilis #309. The culture medium containing soap-derived waste glycerol led to the best surfactin production, reaching about 2.8 g/L. To the best of our knowledge, this is the first report describing surfactin production by B. subtilis using stearin and soap wastes as carbon sources. A complete chemical characterization of surfactin analogs produced from the different waste glycerol samples was performed by liquid chromatography-mass spectrometry (LC-MS) and Fourier transform infrared spectroscopy (FTIR). Furthermore, the surfactin produced in the study exhibited good stability in a wide range of pH, salinity and temperatures, suggesting its potential for several applications in biotechnology.
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Affiliation(s)
- Tomasz Janek
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland; (X.P.); (P.B.); (D.J.); (W.R.); (Z.L.)
- Correspondence: ; Tel.: +48-71-320-7734
| | - Eduardo J. Gudiña
- Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; (E.J.G.); (L.R.R.)
| | - Xymena Połomska
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland; (X.P.); (P.B.); (D.J.); (W.R.); (Z.L.)
| | - Piotr Biniarz
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland; (X.P.); (P.B.); (D.J.); (W.R.); (Z.L.)
- Łukasiewicz Research Network—PORT Polish Center for Technology Development, 54-066 Wrocław, Poland
| | - Dominika Jama
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland; (X.P.); (P.B.); (D.J.); (W.R.); (Z.L.)
| | - Lígia R. Rodrigues
- Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; (E.J.G.); (L.R.R.)
| | - Waldemar Rymowicz
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland; (X.P.); (P.B.); (D.J.); (W.R.); (Z.L.)
| | - Zbigniew Lazar
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland; (X.P.); (P.B.); (D.J.); (W.R.); (Z.L.)
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Zhou Y, Huang L, Yang B, He C, Xu B. Contrastive Study of the Foaming Properties of N-Acyl Amino Acid Surfactants with Bovine Serum Albumin and Gelatin. J Oleo Sci 2021; 70:807-816. [PMID: 33967168 DOI: 10.5650/jos.ess20313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A detailed study on the foamability, foam stability, foam liquid-carrying capacity, and foam morphology of two N-acyl amino acid surfactants with bovine serum albumin (BSA) and gelatin were performed by foam scanning. The results showed that the foamability of the mixed system increased gradually and then tended to be stable with increasing surfactant concentration. The foamability of the high-concentration BSA system was stronger than that of the low-concentration BSA system. The foamability and foam stability of sodium N-lauroyl phenylpropanoic acid (N-C12P)/BSA were better than those of sodium N-lauroyl propylamino acid (N-C12A)/BSA, and the foamability and foam stability of N-C12A/gelatin was better than those of N-C12P/gelatin. The liquid-carrying capacity of the foam initially increased and then decreased with increasing time, and the maximum liquid-carrying capacity increased with increasing surfactant concentration. When the concentration of the surfactant was 8 mM, the drainage rate of N-C12A/protein was higher than that of N-C12P/protein. The morphology of the bubble gradually changed from spherical to polyhedron and the number of bubbles gradually decreased with time increasing. Differences in surfactant structure and protein type had an important effect on the number and area of foam.
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Affiliation(s)
- Yawen Zhou
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University
| | - Luyang Huang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University
| | - Bo Yang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University
| | - Chengxuan He
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University
| | - Baocai Xu
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University
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50
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Baryiames CP, Garrett P, Baiz CR. Bursting the bubble: A molecular understanding of surfactant-water interfaces. J Chem Phys 2021; 154:170901. [PMID: 34241044 DOI: 10.1063/5.0047377] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Surfactant science has historically emphasized bulk, thermodynamic measurements to understand the microemulsion properties of greatest industrial significance, such as interfacial tensions, phase behavior, and thermal stability. Recently, interest in the molecular properties of surfactants has grown among the physical chemistry community. This has led to the application of cutting-edge spectroscopic methods and advanced simulations to understand the specific interactions that give rise to the previously studied bulk characteristics. In this Perspective, we catalog key findings that describe the surfactant-oil and surfactant-water interfaces in molecular detail. We emphasize the role of ultrafast spectroscopic methods, including two-dimensional infrared spectroscopy and sum-frequency-generation spectroscopy, in conjunction with molecular dynamics simulations, and the role these techniques have played in advancing our understanding of interfacial properties in surfactant microemulsions.
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Affiliation(s)
- Christopher P Baryiames
- Department of Chemistry, University of Texas at Austin, 105 E 24th St. Stop A5300, Austin, Texas 78712-1224, USA
| | - Paul Garrett
- Department of Chemistry, University of Texas at Austin, 105 E 24th St. Stop A5300, Austin, Texas 78712-1224, USA
| | - Carlos R Baiz
- Department of Chemistry, University of Texas at Austin, 105 E 24th St. Stop A5300, Austin, Texas 78712-1224, USA
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