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Rybicki Iv FJ, Khachornsakkul K, Dos Santos DM, Sonkusale S. Distance-based quantitation of urinary ammonia using a low-cost cellulose-based thread sensor impregnated with curcumin. Talanta 2025; 288:127674. [PMID: 39938422 DOI: 10.1016/j.talanta.2025.127674] [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: 09/21/2024] [Revised: 01/27/2025] [Accepted: 01/30/2025] [Indexed: 02/14/2025]
Abstract
Effective point-of-care (POC) methods for detecting metabolic disorders, such as hyperammonemia, are crucial. Urinary ammonia is an underexplored but physiologically relevant biomarker for such conditions and can be conveniently monitored noninvasively. Conventional detection methods, while reliable, are time-consuming and costly. We propose a green, low-cost microfluidic distance-based thread analytical device (dTAD) that incorporates curcumin for urinary ammonia quantification. Through a simple immersion technique, curcumin was deposited on the surface of cellulose-based threads, resulting in a user-friendly device that correlates ammonia titers to a naked-eye colorimetric distance-based measurement. Curcumin undergoes a color change from yellow to red in the presence of ammonia and demonstrates strong selectivity with major interferants in urine. Moreover, this sensor exhibits a linear range of 20.0-80.0 mmol L-1 (R2 = 0.994) with a limit of detection (LOD) of 5.0 mmol L-1. The LOD was theoretically predicted using the mass balance volatilization of ammonia along the thread channel in conjunction with Darcy's law. The thread-based device offers significant advantages in terms of simplicity, affordability, versatility, and future scalability. With a total analysis time of 3.0 min, a cost of less than $0.20 per sensor, and a recovery range of 91%-102% in human control urine samples, the device meets the demands of REASSURED (Real-time connectivity, Ease of specimen collection, Affordable, Sensitive, Specific, User-friendly, Rapid and Robust, Equipment-free, and Deliverable) POC diagnostics for the developing world. To the best of our knowledge, this is the first application of a distance-based thread device that quantifies ammonia in biofluid samples.
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Affiliation(s)
- Frank John Rybicki Iv
- Department of Chemical and Biological Engineering, Tufts University, Medford, MA, 02155, USA; Sonkusale Research Lab, Tufts University, Medford, MA, 02155, USA
| | - Kawin Khachornsakkul
- Department of Electrical and Computer Engineering, Tufts University, Medford, MA, 02155, USA; Sonkusale Research Lab, Tufts University, Medford, MA, 02155, USA
| | - Danilo Martins Dos Santos
- Department of Electrical and Computer Engineering, Tufts University, Medford, MA, 02155, USA; Sonkusale Research Lab, Tufts University, Medford, MA, 02155, USA
| | - Sameer Sonkusale
- Department of Chemical and Biological Engineering, Tufts University, Medford, MA, 02155, USA; Department of Electrical and Computer Engineering, Tufts University, Medford, MA, 02155, USA; Sonkusale Research Lab, Tufts University, Medford, MA, 02155, USA.
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Zhang C, Meng L, Fang Z, Xu Y, Zhou Y, Guo H, Wang J, Zhao X, Zang S, Shen H. Experimental and Theoretical Studies on the Adsorption of Bromocresol Green from Aqueous Solution Using Cucumber Straw Biochar. Molecules 2024; 29:4517. [PMID: 39407447 PMCID: PMC11477533 DOI: 10.3390/molecules29194517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2024] [Revised: 09/15/2024] [Accepted: 09/20/2024] [Indexed: 10/20/2024] Open
Abstract
Biochar prepared from crop straw is an economical method for adsorbing bromocresol green (BCG) from textile industrial wastewater. However, there is limited research on the adsorption mechanism of biochar for the removal of BCG. This study utilized cucumber straw as raw material to prepare biochar with good adsorption potential and characterized its physicochemical properties. Through adsorption experiments, the effects of solution pH, biochar dosage, and initial dye concentration on adsorption performance were examined. The adsorption mechanism of cucumber straw biochar (CBC) for BCG was elucidated at the molecular level using adsorption kinetics, adsorption isotherm models, and density functional theory (DFT) calculations. Results show that the specific surface area of the CBC is 101.58 m2/g, and it has a high degree of carbonization, similar to the structure of graphite crystals. The presence of aromatic rings, -OH groups, and -COOH groups in CBC provides abundant adsorption sites for BCG. The adsorption process of CBC for BCG is influenced by both physical and chemical adsorption, and can be described by the Langmuir isotherm model, indicating a monolayer adsorption process. The theoretical maximum monolayer adsorption capacity (qm) of BCG at 298 K was calculated to be 99.18 mg/g. DFT calculations reveal interactions between BCG and CBC involving electrostatic interactions, van der Waals forces, halogen-π interactions, π-π interactions, and hydrogen bonds. Additionally, the interaction of hydrogen bonds between BCG and the -COOH group of biochar is stronger than that between BCG and the -OH group. These findings provide valuable insights into the preparation and application of efficient organic dye adsorbents.
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Affiliation(s)
- Chenxi Zhang
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Lingbin Meng
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Zhihao Fang
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Youxin Xu
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Yue Zhou
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Hongsen Guo
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Jinyu Wang
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Xiaotian Zhao
- Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang 262700, China; (C.Z.); (L.M.); (Y.X.); (Y.Z.); (H.G.); (J.W.); (X.Z.)
| | - Shuyan Zang
- College of Science, Shenyang University of Chemical Technology, Shenyang 110142, China;
| | - Hailin Shen
- School of Chemical Engineering and Materials, Changzhou Institute of Technology, Changzhou 213032, China
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Heravi M, Srivastava V, Ahmadpour A, Zeynali V, Sillanpää M. The effect of the number of SO 3- groups on the adsorption of anionic dyes by the synthesized hydroxyapatite/Mg-Al LDH nanocomposite. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:17426-17447. [PMID: 38337120 DOI: 10.1007/s11356-024-32192-6] [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: 09/03/2023] [Accepted: 01/21/2024] [Indexed: 02/12/2024]
Abstract
In this study, a new nanocomposite of hydroxyapatite (HA)/Mg-Al layered double hydroxide (LDH) was successfully formed via a facile co-precipitation method and applied to adsorb three anionic dyes of alizarin red S (ARS), Congo red (CR), and reactive red 120 (RR120) differing in the number of SO3- groups from aqueous solution. Based on a combination of characterization analysis and adsorption experiments, HA/Mg-Al LDH nanocomposite showed better adsorption performance than HA and Mg-Al LDH. Using XRD and TEM analyses, the crystallinity and the presence of nanoparticles were confirmed. According to the SEM investigation, the Mg-Al LDH layers in the nanocomposite structure were delaminated, while HA nanorods were formed at the surface of Mg-Al LDH nanoparticles. The higher BET surface area of the novel HA/Mg-Al LDH nanocomposite compared to HA and Mg-Al LDH provided its superior adsorption performance. Considering an effective amount of adsorbent dosage, pH 5 was selected as the optimum pH for each of the three dye solutions. According to the results from the study of contact time and initial concentration, the pseudo-second-order kinetic (R2 = 0.9987, 0.9951, and 0.9922) and Langmuir isotherm (R2 = 0.9873, 0.9956, and 0.9727) best fitted the data for ARS, CR, and RR120, respectively. Anionic dyes with different numbers of SO3- groups demonstrated distinct adsorption mechanisms for HA and Mg-Al LDH nanoparticles, indicating that the adsorption capacity is influenced by the number of SO3- groups, with HA/Mg-Al LDH nanocomposite offering superior performance toward dyes with higher numbers of SO3- groups. Furthermore, ΔH° less than 40 kJ/mol, positive ΔS°, and negative ΔG° accompanied by the mechanism clarifying show physical spontaneous adsorption without an external source of energy and increase the randomness of the process during the adsorption, respectively. Finally, the regeneration study demonstrated that the nanocomposite could be utilized for multiple adsorption-desorption cycles, proposing the HA/Mg-Al LDH as an economically and environmentally friendly adsorbent in the adsorption of anionic dyes in water treatment processes.
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Affiliation(s)
- Maliheh Heravi
- Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Varsha Srivastava
- Department Research Unit of Sustainable Chemistry, Faculty of Technology, University of Oulu, 90014, Oulu, Finland
| | - Ali Ahmadpour
- Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran.
- Industrial Catalysts/Adsorbents and Environment (ICAE) Lab, Oil and Gas Research Institute, Ferdowsi University of Mashhad, Mashhad, Iran.
| | - Vahid Zeynali
- Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Mika Sillanpää
- Department of Biological and Chemical Engineering, Aarhus University, Nørrebrogade 44, 8000, Aarhus C, Denmark
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P.O. Box 17011, Doornfontein, 2028, South Africa
- Functional Materials Group, Gulf University for Science and Technology, Mubarak Al-Abdullah, 32093, Kuwait
- Department of Civil Engineering, University Centre for Research & Development, Chandigarh University, Gharuan, Mohali, Punjab, India
- School of Technology, Woxsen University, Hyderabad, Telangana, India
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Zubair M, Manzar MS, El-Qanni A, Haroon H, Alqahtani HA, Al-Ejji M, Mu'azu ND, AlGhamdi JM, Haladu SA, Al-Hashim D, Ahmed SZ. Biochar-layered double hydroxide composites for the adsorption of tetracycline from water: synthesis, process modeling, and mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:109162-109180. [PMID: 37770741 DOI: 10.1007/s11356-023-29954-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 09/14/2023] [Indexed: 09/30/2023]
Abstract
Antibiotic-contaminated water is a crucial issue worldwide. Thus, in this study, the MgFeCa-layered double hydroxides were supported in date palm-derived biochar (B) using co-precipitation, hydrothermal, and co-pyrolysis methods. It closes gaps in composite design for pharmaceutical pollutant removal, advances eco-friendly adsorbents, and advances targeted water cleanup by investigating synthesis methodologies and gaining new insights into adsorption. The prepared B-MgFeCa composites were investigated for tetracycline (TC) adsorption from an aqueous solution. The B-MgFeCa composites synthesized through co-precipitation and hydrothermal methods exhibited better crystallinity, functional groups, and well-developed LDH structure within the biochar matrix. However, the co-pyrolysis method resulted in the LDH structure breakage, leading to the low crystalline composite material. The maximum adsorption of TC onto all B-MgFeCa was obtained at an acidic pH range (4-5). The B-MgFeCa composites produced via hydrothermal and co-pyrolysis methods showed higher and faster TC adsorption than the co-precipitation method. The kinetic results can be better described by Langmuir kinetic and mixed order models at low and high TC concentrations, indicating that the rate-limiting step is mainly associated with active binding sites adsorption. The Sip and Freundlich models showed better fitting with the equilibrium data. The TC removal by B-MgFeCa composites prepared via hydrothermal, the highest estimated uptake which is around 639.76 mg.g-1 according to the Sips model at ambient conditions, and co-pyrolysis was mainly dominated by physical and chemical interactions. The composite obtained via the co-precipitation method adsorbed TC through chemical bonding between surface functional groups with anionic species of TC molecule. The B-MgFeCa composite showed excellent reusability performance for up to five cycles with only a 30% decrease in TC removal efficiency. The results demonstrated that B-MgFeCa composites could be used as promising adsorbent materials for effective wastewater treatment.
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Affiliation(s)
- Mukarram Zubair
- Environmental Engineering Department, College of Engineering A13, Imam Abdulrahman Bin Faisal University, Main Campus, P.O. Box 1982, Dammam, 34212, Saudi Arabia.
| | - Mohammad Saood Manzar
- Environmental Engineering Department, College of Engineering A13, Imam Abdulrahman Bin Faisal University, Main Campus, P.O. Box 1982, Dammam, 34212, Saudi Arabia
| | - Amjad El-Qanni
- Department of Chemical Engineering, An-Najah National University, Nablus, Palestine
| | - Hajira Haroon
- Department of Environmental Sciences, University of Haripur, Haripur, Khyber Pakhtunkhwa, Pakistan
| | - Hissah A Alqahtani
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, 31451, Saudi Arabia
| | - Maryam Al-Ejji
- Center for Advanced Materials, Qatar University, 2713, Doha, Qatar
| | - Nuhu Dalhat Mu'azu
- Environmental Engineering Department, College of Engineering A13, Imam Abdulrahman Bin Faisal University, Main Campus, P.O. Box 1982, Dammam, 34212, Saudi Arabia
| | - Jwaher M AlGhamdi
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, 31451, Saudi Arabia
| | - Shamsuddeen A Haladu
- Department of Basic Engineering Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Dana Al-Hashim
- Environmental Engineering Department, College of Engineering A13, Imam Abdulrahman Bin Faisal University, Main Campus, P.O. Box 1982, Dammam, 34212, Saudi Arabia
| | - Syed Z Ahmed
- Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
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