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Pinrattananon S, Courtes F, Chorhirankul N, Payongsri P, Pongtharangkul T, Janssen AEM, Niamsiri N. The Effect of Different pH Conditions on Peptides' Separation from the Skipjack Dark Meat Hydrolysate Using Ceramic Ultrafiltration. Foods 2023; 12:3367. [PMID: 37761076 PMCID: PMC10528393 DOI: 10.3390/foods12183367] [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: 08/06/2023] [Revised: 09/02/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
The conversion of Skipjack (Katsuwonus pelamis) dark meat into a hydrolysate via enzymatic hydrolysis is a promising approach to increase the value of tuna by-products as a source of bioactive peptides. Skipjack dark meat hydrolysate (SDMH) contains various sizes and sequences of peptides. To obtain and concentrate the targeted small peptides from SDMH, ultrafiltration, a key unit operation process, was employed to fractionate the protein hydrolysate due to its simplicity and productivity. The objective of this study was to investigate the effect of the feed pH on the membrane performance based on the permeate flux and the transmission of peptides. The fractionation of SDMH was performed using a ceramic membrane (molecular weight cut-off of 1 kDa) with three different pH values (5, 7, and 9) at various transmembrane pressures (TMP) (2.85, 3.85, and 4.85 bar). A high permeate flux and transmission were obtained at pH 9 due to the repulsive interactions between peptides and the membrane surface, leading to the reduction in concentration polarization that could promote high transmission. In addition, the combination of low TMP (2.85 bar) and pH 9 helped to even minimize the fouling formation tendency, providing the highest peptide transmission in this study. The fractionation process resulted in the enhancement of small peptides (MW < 0.3 kDa). The amino acid profiles were different at each pH, affirming the charge effect from the pH changes. In conclusion, the performance of the membrane was affected by the pH of the hydrolysate. Additionally, the ultrafiltration method served as an alternate method of peptide separation on a commercial scale.
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Affiliation(s)
- Supitchaya Pinrattananon
- School of Bioinnovation and Bio-Based Product Intelligence, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand
| | - Franck Courtes
- Global Innovation Center (GIC), Thai Union Group PCL., S.M. Tower, Phaholyothin Road, Phayathai Sub-District, Phayathai, Bangkok 10400, Thailand
| | - Nattawan Chorhirankul
- Food Process Engineering Group, Wageningen University, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | - Panwajee Payongsri
- School of Bioinnovation and Bio-Based Product Intelligence, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand
- Department of Biotechnology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand
| | - Thunyarat Pongtharangkul
- Department of Biotechnology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand
| | - Anja E. M. Janssen
- Food Process Engineering Group, Wageningen University, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | - Nuttawee Niamsiri
- School of Bioinnovation and Bio-Based Product Intelligence, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand
- Department of Biotechnology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand
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Ambarita AC, Mulyati S, Arahman N, Bilad MR, Shamsuddin N, Ismail NM. Improvement of Properties and Performances of Polyethersulfone Ultrafiltration Membrane by Blending with Bio-Based Dragonbloodin Resin. Polymers (Basel) 2021; 13:4436. [PMID: 34960986 PMCID: PMC8707211 DOI: 10.3390/polym13244436] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/10/2021] [Accepted: 12/10/2021] [Indexed: 11/16/2022] Open
Abstract
Polyethersulfone (PES) is the most commonly used polymer for membrane ultrafiltration because of its superior properties. However, it is hydrophobic, as such susceptible to fouling and low permeation rate. This study proposes a novel bio-based additive of dragonbloodin resin (DBR) for improving the properties and performance of PES-based membranes. Four flat sheet membranes were prepared by varying the concentration of DBR (0-3%) in the dope solutions using the phase inversion method. After fabrication, the membranes were thoroughly characterized and were tested for filtration of humic acid solution to investigate the effect of DBR loading. Results showed that the hydrophilicity, porosity, and water uptake increased along with the DBR loadings. The presence of DBR in the dope solution fastened the phase inversion, leading to a more porous microstructure, resulted in membranes with higher number and larger pore sizes. Those properties led to more superior hydraulic performances. The PES membranes loaded with DBR reached a clean water flux of 246.79 L/(m2·h), 25-folds higher than the pristine PES membrane at a loading of 3%. The flux of humic acid solution reached 154.5 ± 6.6 L/(m2·h), 30-folds higher than the pristine PES membrane with a slight decrease in rejection (71% vs. 60%). Moreover, DBR loaded membranes (2% and 3%) showed an almost complete flux recovery ratio over five cleaning cycles, demonstrating their excellent antifouling property. The hydraulic performance could possibly be enhanced by leaching the entrapped DBR to create more voids and pores for water permeation.
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Affiliation(s)
- Aulia Chintia Ambarita
- Doctoral Program, School of Engineering Science, Syiah Kuala University, Banda Aceh 23111, Indonesia;
| | - Sri Mulyati
- Department of Chemical Engineering, Syiah Kuala University, Banda Aceh 23111, Indonesia;
| | - Nasrul Arahman
- Department of Chemical Engineering, Syiah Kuala University, Banda Aceh 23111, Indonesia;
| | - Muhammad Roil Bilad
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, Bandar Seri Begawan BE1410, Brunei; (M.R.B.); (N.S.)
| | - Norazanita Shamsuddin
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, Bandar Seri Begawan BE1410, Brunei; (M.R.B.); (N.S.)
| | - Noor Maizura Ismail
- Faculty of Engineering, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
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The Development of Graphene/Silica Hybrid Composites: A Review for Their Applications and Challenges. CRYSTALS 2021. [DOI: 10.3390/cryst11111337] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Graphene and silica are two materials that have wide uses and applications because of their unique properties. Graphene/silica hybrid composite, which is a combination of the two, has the good properties of a combination of graphene and silica while reducing the detrimental properties of both, so that it has promising future prospects in various fields. It is very important to design a synthesis method for graphene/silica composite hybrid materials to adapt to its practical application. In this review, the synthesis strategies of graphene, silica, and hybrid graphene/silica composites such as hydrothermal, sol-gel, hydrolysis, and encapsulation methods along with their results are studied. The application of this composite is also discussed, which includes applications such as adsorbents, energy storage, biomedical fields, and catalysts. Furthermore, future research challenges and futures need to be developed so that hybrid graphene/silica composites can be obtained with promising new application prospects.
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Yap JX, Leo CP, Mohd Yasin NH, Derek CJC. Sustainable cultivation of Navicula incerta using cellulose-based scaffold incorporated with nanoparticles in air-liquid interface cultivation system. CHEMOSPHERE 2021; 273:129657. [PMID: 33524750 DOI: 10.1016/j.chemosphere.2021.129657] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/06/2021] [Accepted: 01/12/2021] [Indexed: 06/12/2023]
Abstract
Microalgae cultivation using open cultivation systems requires large area and it is susceptible to contamination as well as weather changes. Meanwhile, the closed systems require large capital investment, and they are susceptible to the build-up of dissolved oxygen. Air-liquid interface culture systems with low water-footprint, but high packing density can be used for microalgae cultivation if low-cost culture scaffolds are available. In this study, cellulose-based scaffolds were synthesized using NaOH/urea aqueous solution as the solvent. Titanium dioxide (TiO2), silica gel and polyethylene glycol 1000 (PEG 1000) nanoparticles were added into the membrane scaffolds to increase the hydrophilicity of nutrient absorbing to support the growth of microalgae. The membrane scaffolds were characterized by FTIR, SEM, contact angle, porosity and porometry. All three nanoparticles additives showed their ability in reducing the contact angle of membrane scaffolds from 63.4 ± 2.3° to a range of 52.6 ± 1.2° to 38.8 ± 1.5° due to the hydrophilic properties of the nanoparticles. The decreasing in pore size when nanoparticles were added did not affect the porosity of membrane scaffolds. Cellulose membrane scaffold with TiO2 showed the highest percentage of microalgae Navicula incerta growth rate of 22.1% because of the antibacterial properties of TiO2 in lowering the risk of cell contamination and enhancing the growth of N. incerta. The results exhibited that cellulose-based scaffold with TiO2 added could be an effective support in plant cell culture field.
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Affiliation(s)
- Jia Xin Yap
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal, Pulau Pinang, 14300, Malaysia
| | - C P Leo
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal, Pulau Pinang, 14300, Malaysia
| | - Nazlina Haiza Mohd Yasin
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM, Bangi, Selangor, 43600, Malaysia
| | - C J C Derek
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal, Pulau Pinang, 14300, Malaysia.
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Two-Step Dopamine-to-Polydopamine Modification of Polyethersulfone Ultrafiltration Membrane for Enhancing Anti-Fouling and Ultraviolet Resistant Properties. Polymers (Basel) 2020; 12:polym12092051. [PMID: 32916778 PMCID: PMC7569805 DOI: 10.3390/polym12092051] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/01/2020] [Accepted: 08/07/2020] [Indexed: 11/16/2022] Open
Abstract
Polydopamine has been widely used as an additive to enhance membrane fouling resistance. This study reports the effects of two-step dopamine-to-polydopamine modification on the permeation, antifouling, and potential anti-UV properties of polyethersulfone (PES)-based ultrafiltration membranes. The modification was performed through a two-step mechanism: adding the dopamine additive followed by immersion into Tris-HCl solution to allow polymerization of dopamine into polydopamine (PDA). The results reveal that the step of treatment, the concentration of dopamine in the first step, and the duration of dipping in the Tris solution in the second step affect the properties of the resulting membranes. Higher dopamine loadings improve the pure water flux (PWF) by more than threefold (15 vs. 50 L/m2·h). The extended dipping period in the Tris alkaline buffer leads to an overgrowth of the PDA layer that partly covers the surface pores which lowers the PWF. The presence of dopamine or polydopamine enhances the hydrophilicity due to the enrichment of hydrophilic catechol moieties which leads to better anti-fouling. Moreover, the polydopamine film also improves the membrane resistance to UV irradiation by minimizing photodegradation's occurrence.
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Mulyati S, Muchtar S, Arahman N, Meirisa F, Syamsuddin Y, Zuhra Z, Rosnelly CM, Shamsuddin N, Mat Nawi NI, Wirzal MDH, Bilad MR, Takagi R, Matsuyama H. One-Pot Polymerization of Dopamine as an Additive to Enhance Permeability and Antifouling Properties of Polyethersulfone Membrane. Polymers (Basel) 2020; 12:E1807. [PMID: 32806565 PMCID: PMC7464200 DOI: 10.3390/polym12081807] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 11/16/2022] Open
Abstract
This paper reports the fabrication of polyethersulfone membranes via in situ hydrogen peroxide-assisted polymerization of dopamine. The dopamine and hydrogen peroxide were introduced into the dope solution where the polymerization occurred, resulting in a single-step additive formation during membrane fabrication. The effectivity of modification was evaluated through characterizations of the resulting membranes in terms of chemical functional groups, surface morphology, porosity, contact angle, mechanical strength and filtration of humic acid solution. The results confirm that the polydopamine was formed during the dope solution mixing through peroxide-assisted polymerization as proven by the appearance of peaks associated OH and NH groups in the resulting membranes. The presence of polydopamine residual in the membrane matric enhances the pore properties in terms of size and porosity (by a factor of 10), and by lowering the hydrophilicity (from 69° to 53°) which leads to enhanced filtration flux of up to 217 L/m2 h. The presence of the residual polydopamine also enhances membrane surface hydrophilicity which improve the antifouling properties as shown from the flux recovery ratio of > 80%.
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Affiliation(s)
- Sri Mulyati
- Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (S.M.); (N.A.); (F.M.); (Y.S.); (Z.Z.); (C.M.R.)
| | - Syawaliah Muchtar
- Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (S.M.); (N.A.); (F.M.); (Y.S.); (Z.Z.); (C.M.R.)
| | - Nasrul Arahman
- Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (S.M.); (N.A.); (F.M.); (Y.S.); (Z.Z.); (C.M.R.)
| | - Friska Meirisa
- Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (S.M.); (N.A.); (F.M.); (Y.S.); (Z.Z.); (C.M.R.)
| | - Yanna Syamsuddin
- Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (S.M.); (N.A.); (F.M.); (Y.S.); (Z.Z.); (C.M.R.)
| | - Zuhra Zuhra
- Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (S.M.); (N.A.); (F.M.); (Y.S.); (Z.Z.); (C.M.R.)
| | - Cut Meurah Rosnelly
- Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (S.M.); (N.A.); (F.M.); (Y.S.); (Z.Z.); (C.M.R.)
| | - Norazanita Shamsuddin
- Faculty of Integrated Technologies, Universiti Brunei Darussalam, Jalan Tungku Link BE1410, Brunei;
| | - Normi Izati Mat Nawi
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia; (N.I.M.N.); (M.D.H.W.); (M.R.B.)
| | - Mohd Dzul Hakim Wirzal
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia; (N.I.M.N.); (M.D.H.W.); (M.R.B.)
| | - Muhammad Roil Bilad
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia; (N.I.M.N.); (M.D.H.W.); (M.R.B.)
| | - Ryosuke Takagi
- Research Center for Membrane and Film Technology, Department of Chemical Science and Engineering, Kobe University, Rokkodai-Cho 1-1, Nadaku, Kobe 657-8501, Japan; (R.T.); (H.M.)
| | - Hideto Matsuyama
- Research Center for Membrane and Film Technology, Department of Chemical Science and Engineering, Kobe University, Rokkodai-Cho 1-1, Nadaku, Kobe 657-8501, Japan; (R.T.); (H.M.)
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