1
|
Su CR, Yu SS, Zhao JM, Yang J, Dong LY, Wang XH. Fabrication of micron-sized boronate-decorated polyethyleneimine-grafted magnetic agarose beads for specific enrichment of ribonucleic acid. J Chromatogr A 2024; 1731:465198. [PMID: 39059303 DOI: 10.1016/j.chroma.2024.465198] [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: 06/04/2024] [Revised: 07/09/2024] [Accepted: 07/18/2024] [Indexed: 07/28/2024]
Abstract
Exploiting high-performance magnetic beads for specific enrichment of ribonucleic acid (RNA) has important significance in the biomedical research field. Herein, a simple strategy was proposed for fabricating boronate-decorated polyethyleneimine-grafted magnetic agarose beads (BPMAB), which can selectively isolate cis-diol-containing substances through boronate affinity. The size of the basic magnetic agarose beads was controlled through the emulsification of the water-in-oil emulsion with a high-speed shear machine, which enhanced the specific surface area of BPMAB. Subsequently, to modify more boronic acid ligands, branched PEI with excellent hydrophilicity and numerous reaction sites was grafted. 2,4-Difluoro-3-formylphenyl boronic acid (2,4-DFPBA) was covalently immobilized for selectively capturing cis-diol-containing substances under physiological condition (pH 7.4). The BPMAB with a diameter range from 1.86 μm to 11.60 μm possessed clearly spherical structure, and excellent magnetic responsiveness and suspension ability in aqueous solution. β-Nicotinamide adenine dinucleotide (β-NAD), a short-chain cis-diol carrying agent, was selected as a target molecule for evaluating the adsorption property of BPMAB and the maximum adsorption capacity of BPMAB for β-NAD could reach 205.11 mg g-1. In addition, the BPMAB as adsorbent was used to selectively enrich RNA from mammalian cells. The maximum adsorption capacity of BPMAB for RNA was 140.50 mg g-1. Under optimized conditions, the BPMAB-based MSPE successfully enriched the high-quality total RNA with 28S to 18S ribosomal RNA ratios ranging from 2.06 to 2.16. According to the PCR analysis of GADPH gene, the extracted total RNA was successfully reverse transcribed into cDNA. Therefore, we believe that the BPMAB-based MSPE could be applicable for the specific enrichment of RNA from complex biological systems.
Collapse
Affiliation(s)
- Chen-Ri Su
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China; Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Shi-Song Yu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Jia-Meng Zhao
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Jing Yang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Lin-Yi Dong
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China.
| | - Xian-Hua Wang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China.
| |
Collapse
|
2
|
Baydemir Peşint G, Eren Yüngeviş B, Perçin Demirçelik I. Enhanced invertase binding from baker's yeast via cryogels included boronic acids. World J Microbiol Biotechnol 2023; 39:267. [PMID: 37528302 DOI: 10.1007/s11274-023-03697-y] [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: 04/26/2023] [Accepted: 07/08/2023] [Indexed: 08/03/2023]
Abstract
Invertase, an industrially significant glycoenzyme, was purified from baker's yeast using poly (2-Hydroxyethyl methacrylate) [PHema-Pba] cryogels functionalized with boronic acid. At subzero temperatures, PHema-Pba cryogels were synthesized and characterized using swelling tests, scanning electron microscopy, and Fourier-transform infrared spectroscopy. The surface area of the PHema-Pba cryogels was 14 m2/g with a swelling ratio of 88.3% and macroporosity of 72%. The interconnected macropores of PHema-Pba cryogels were shown via scanning electron microscopy. Invertase binding capacity of PHema-Pba cryogel was evaluated by binding studies in different pH, temperature, and interaction time conditions and the maximum Invertase binding of PHema-Pba cryogel was found as 15.2 mg/g. and 23.7 fold Invertase purification was achieved from baker's yeast using PHema-Pba cryogels. The results show that PHema-Pba cryogels have high Invertase binding capacity and may be used as an alternative method for enzyme purification via boronate affinity systems.
Collapse
Affiliation(s)
- Gözde Baydemir Peşint
- Department of Bioengineering, Adana Alparslan Türkeş Science and Technology University, Adana, Türkiye.
| | - Burcu Eren Yüngeviş
- Department of Bioengineering, Adana Alparslan Türkeş Science and Technology University, Adana, Türkiye
| | | |
Collapse
|
3
|
Minkner R, Boonyakida J, Park EY, Wätzig H. Oligonucleotide separation techniques for purification and analysis: What can we learn for today's tasks? Electrophoresis 2022; 43:2402-2427. [PMID: 36285667 DOI: 10.1002/elps.202200079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 09/09/2022] [Accepted: 09/23/2022] [Indexed: 11/07/2022]
Abstract
Nucleic acids are the blueprint of life. They are not only the construction plan of the single cell or higher associations of them, but also necessary for function, communication and regulation. Due to the pandemic, the attention shifted in particular to their therapeutic potential as a vaccine. As pharmaceutical oligonucleotides are unique in terms of their stability and application, special delivery systems were also considered. Oligonucleotide production systems can vary and depend on the feasibility, availability, price and intended application. To achieve good purity, reliable results and match the strict specifications in the pharmaceutical industry, the separation of oligonucleotides is always essential. Besides the separation required for production, additional and specifically different separation techniques are needed for analysis to determine if the product complies with the designated specifications. After a short introduction to ribonucleic acids (RNAs), messenger RNA vaccines, and their production and delivery systems, an overview regarding separation techniques will be provided. This not only emphasises electrophoretic separations but also includes spin columns, extractions, precipitations, magnetic nanoparticles and several chromatographic separation principles, such as ion exchange chromatography, ion-pair reversed-phase, size exclusion and affinity.
Collapse
Affiliation(s)
- Robert Minkner
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Braunschweig, Germany
| | - Jirayu Boonyakida
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, Shizuoka, Japan.,Laboratory of Biotechnology, Green Chemistry Research Division, Research Institute of Green Science and Technology, Shizuoka University, Shizuoka, Japan
| | - Enoch Y Park
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, Shizuoka, Japan.,Laboratory of Biotechnology, Green Chemistry Research Division, Research Institute of Green Science and Technology, Shizuoka University, Shizuoka, Japan
| | - Hermann Wätzig
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Braunschweig, Germany
| |
Collapse
|
4
|
Aslıyüce S, Idil N, Mattiasson B. Upgrading of bio‐separation and bioanalysis using synthetic polymers: Molecularly imprinted polymers (MIPs), cryogels, stimuli‐responsive polymers. Eng Life Sci 2022; 22:204-216. [PMID: 35382542 PMCID: PMC8961038 DOI: 10.1002/elsc.202100106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 12/25/2022] Open
Abstract
Bio‐separation plays a crucial role in many areas. Different polymers are suitable for bio‐separation and are useful for applications in applications in both science and technology. Besides biopolymers, there are a broad spectrum of synthetic polymers with tailor‐made properties. The synthetic polymers are characterized by their charges, solubility, hydrophilicity/hydrophobicity, sensitivity to environmental conditions and stability. Furthermore, ongoing developments are of great interest on biodegradable polymers for the treatment of diseases. Smart polymers have gained great attention due to their unique characteristics especially emphasizing simultaneously changing their chemical and physical property upon exposure to changes in environmental conditions. In this review, methodologies applied in bio‐separation using synthetic polymers are discussed and efficient candidates are focused for the construction of synthetic polymers.
Collapse
Affiliation(s)
- Sevgi Aslıyüce
- Department of Chemistry Biochemistry Division Hacettepe University Ankara Turkey
| | - Neslihan Idil
- Department of Biology Biotechnology Division Hacettepe University Ankara Turkey
| | - Bo Mattiasson
- Department of Biotechnology Lund University Lund Sweden
- Indienz AB Annebergs Gård, Billeberga Lund Sweden
| |
Collapse
|
5
|
Baydemir Peşint G, Zenger O, Perçin I, Denizli A. Spongy membranes for peroxidase purification from Brassica oleracea roots. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
6
|
Neves M, Pereira P, Pedro A, Martins J, Trindade T, Queiroz J, Freire M, Sousa F. Improved ionic-liquid-functionalized macroporous supports able to purify nucleic acids in one step. Mater Today Bio 2020; 8:100086. [PMID: 33319188 PMCID: PMC7723793 DOI: 10.1016/j.mtbio.2020.100086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/28/2020] [Accepted: 11/02/2020] [Indexed: 11/16/2022] Open
Abstract
Nucleic acids are relevant biopolymers in therapy and diagnosis, for which their purity and biological activity are of crucial relevance. However, these features are difficult to achieve by cost-effective methods. Herein, we report the functionalization of a macroporous chromatographic support functionalized with an ionic liquid (IL) with remarkable performance to purify nucleic acids. An initial screening with distinct IL chemical structures supported in silica was carried out, allowing to identify the IL 1-methyl-3-propylimidazolium chloride as the most promising ligand. A chromatographic macroporous matrix able to be used in preparative liquid chromatography was then functionalized and binding/elution studies were performed. The IL 1-methyl-3-propylimidazolium chloride acts as a multimodal ligand with a remarkable dynamic binding capacity. This macroporous support allows the (one-step) purification of nucleic acids, namely small RNAs, ribosomal RNA, and genomic DNA, from a bacterial lysate, and can be regenerated and reused without compromising its separation performance.
Collapse
Affiliation(s)
- M.C. Neves
- CICECO – Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - P. Pereira
- CICS-UBI – Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - A.Q. Pedro
- CICECO – Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - J.C. Martins
- CICS-UBI – Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - T. Trindade
- CICECO – Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - J.A. Queiroz
- CICS-UBI – Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - M.G. Freire
- CICECO – Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - F. Sousa
- CICS-UBI – Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| |
Collapse
|
7
|
Dehghani B, Salami Hosseini M, Salami-Kalajahi M. Neutral pH monosaccharide receptor based on boronic acid decorated poly(2-hydroxyethyl methacrylate): Spectral Methods for determination of glucose-binding and ionization constants. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105112] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
|
8
|
A composite consisting of a deep eutectic solvent and dispersed magnetic metal-organic framework (type UiO-66-NH 2) for solid-phase extraction of RNA. Mikrochim Acta 2019; 187:58. [PMID: 31848727 DOI: 10.1007/s00604-019-4040-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 11/18/2019] [Indexed: 10/25/2022]
Abstract
A cactus-shaped magnetic composite was prepared for solid-phase extraction of RNA. It is composed of the metal organic framework UiO-66-NH2 that was modified with Fe3O4 nanoparticles. The composite was then dispersed in a lactic acid-based deep eutectic solvent (DES, Fe3O4-COOH@UiO-66-NH2@DES). The structures of the sorbents were characterized by transmission electron microscopy, scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectrometry, vibrating sample magnetometry and thermogravimetric analysis. The extraction performance of sorbents was optimized and the maximum extraction capacity reached 246 mg·g-1. Extraction is shown to mainly rely on chelation interaction, electrostatic interaction, hydrophobic interaction and hydrogen bonding interaction. The sorbent can selectively extract RNA over DNA, bovine hemoglobin and amino acids. Regeneration studies indicated that the sorbent can be re-used (after regenreation with DES) several times without obvious change of the extraction capacity. The successful extraction of RNA from yeast testified the practical application of the sorbent. Graphical abstractSchematic representation of the fabrication Fe3O4-COOH@UiO-66-NH2@DES, and its application in the magnetic solid phase extraction of RNA.
Collapse
|
9
|
Chen Y, Huang A, Zhang Y, Bie Z. Recent advances of boronate affinity materials in sample preparation. Anal Chim Acta 2019; 1076:1-17. [DOI: 10.1016/j.aca.2019.04.050] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 04/18/2019] [Accepted: 04/19/2019] [Indexed: 11/28/2022]
|
10
|
A high-loading drug delivery system based on magnetic nanomaterials modified by hyperbranched phenylboronic acid for tumor-targeting treatment with pH response. Colloids Surf B Biointerfaces 2019; 182:110375. [DOI: 10.1016/j.colsurfb.2019.110375] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 06/26/2019] [Accepted: 07/17/2019] [Indexed: 02/07/2023]
|
11
|
Alzahrani E. Organic Boronate Affinity Sorbent for Capture of cis-Diol Containing Compounds
Eman Alzahrani. ACTA ACUST UNITED AC 2019. [DOI: 10.14233/ajchem.2019.22108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Boronate affinity chromatography (BAC) is argued to be a critical tool in specific capture and separation of cis-diol containing compounds. In present study, organic boronate affinity monolith poly(3-acrylamido phenylboronic acid-co-ethylene dimethacrylate) (AAPBA-co-EDMA) is prepared through one-step in situ polymerization procedure within a micropipette through the application of a pre-polymerization mixture which contains functional monomer (3-acrylamido phenylboronic acid), cross-linker (ethylene dimethacrylate), porogenic solvent (methanol with poly ethylene glycol) and initiator (2,2-dimethoxy-2-phenyl-acetophenone). Following the optimization of time exposure to UV lamp with 365 nm, the macroporous organic boronate monolith was selected. Several approaches including SEM and BET analysis, FT-IR spectroscopy and measuring contact angle were applied in the characterization of the morphology of the monolith. Several cis-diol compounds that include catechol and galactose are applied in the assessment of the boronate affinity of the organic monolithic material. Additionally, the capture of glucose from urine sample is also conducted. The basic principle of the
approach is that boronic acid forms covalent bond with cis-diols in basic solutions whereas the ester bonds are dissociated under acidic media. By using the study results, monolith demonstrate good selectivity towards cis-diol containing compounds. Due to the hydrophilic property of monolith, the affinity chromatography monolith can be performed for several cis-diol compounds including glycoproteins and nucleosides. Also, fabrication of the organic boronate monolithic in microfluidic equipment is essential in facilitating the extraction of boronate affinity using small-volume samples.
Collapse
Affiliation(s)
- Eman Alzahrani
- Department of Chemistry, Faculty of Science, Taif University, Taif, Kingdom of Saudi Arabia
| |
Collapse
|
12
|
Rosa SASL, Wagner A, da Silva CL, Aires-Barros MR, Azevedo AM, Dias-Cabral AC. Mobile-Phase Modulators as Salt Tolerance Enhancers in Phenylboronate Chromatography: Thermodynamic Evaluation of the Mechanisms Underlying the Adsorption of Monoclonal Antibodies. Biotechnol J 2019; 14:e1800586. [PMID: 31305007 DOI: 10.1002/biot.201800586] [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: 01/27/2019] [Revised: 06/12/2019] [Indexed: 11/06/2022]
Abstract
Phenylboronate chromatography has been employed for bioseparation applications though details concerning the mechanisms of interaction between the ligand and macromolecules remain widely unknown. Here, the phenomena underlying the adsorption of an anti-human interleukin-8 (anti-IL8) monoclonal antibody (mAb) onto an m-aminophenylboronic acid (m-APBA) ligand in the presence of different mobile-phase modulators (NaF/MgCl 2 /(NH 4 ) 2 SO 4 ) and under different pH values (7.5/8.5/9.0) is investigated. Flow microcalorimetry (FMC) is applied to measure instantaneous heat energy transfer, providing insights about the role of specific and nonspecific interactions involved in the adsorptive process. Results show that the adsorption of anti-IL8 mAb to m-APBA is enthalpically driven, corroborating the presence of the reversible esterification reaction between boronic acid or boronates and cis-diol-containing molecules. Nevertheless, for all mobile-phase modulators studied, changes in thermogram profiles are observed as well as reductions in the net heat of adsorption when increasing the pH. Overall, FMC and parallel chromatographic experiments data suggest that ligand salt tolerance could be enhanced using mobile-phase modulators, with all salts studied promoting the specific cis-diol interactions and reducing nonspecific interactions. The last feature is more noticeable at pH values above ligand's pK a , mainly due to the ability of NaF and (NH 4 ) 2 SO 4 to diminish electrostatic interactions when compared to the commonly used NaCl.
Collapse
Affiliation(s)
- Sara A S L Rosa
- Department of Bioengineering, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001, Lisboa, Portugal
| | - Alexandra Wagner
- Department of Bioengineering, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001, Lisboa, Portugal
| | - Cláudia L da Silva
- Department of Bioengineering, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001, Lisboa, Portugal.,The Discoveries Centre for Regenerative and Precision Medicine, Lisbon Campus, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001, Lisboa, Portugal
| | - Maria R Aires-Barros
- Department of Bioengineering, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001, Lisboa, Portugal
| | - Ana M Azevedo
- Department of Bioengineering, iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001, Lisboa, Portugal
| | - Ana C Dias-Cabral
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Avenida Infante D. Henrique, 6200-506, Covilhã, Portugal.,Department of Chemistry, University of Beira Interior, Rua Marquês D'Ávila e Bolama, 6201-001, Covilhã, Portugal
| |
Collapse
|
13
|
Kip Ç, Gülüşür H, Çelik E, Usta DD, Tuncel A. Isolation of RNA and beta-NAD by phenylboronic acid functionalized, monodisperse-porous silica microspheres as sorbent in batch and microfluidic boronate affinity systems. Colloids Surf B Biointerfaces 2018; 174:333-342. [PMID: 30472619 DOI: 10.1016/j.colsurfb.2018.11.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 11/04/2018] [Accepted: 11/05/2018] [Indexed: 12/18/2022]
Abstract
Monodisperse-porous silica microspheres 5.5 μm in size were obtained by a staged shape templated hydrolysis-condensation method, with a bimodal pore-size distribution. 3-aminophenylboronic acid (APBA) was covalently attached onto the silica microspheres with a capacity of 0.476 mmol APBA/g microspheres. The boronate affinity isolation behaviour of ribonucleic acid (RNA) containing cis-diol at 3'-end was investigated by using APBA attached-silica microspheres as the sorbent in batch fashion. A short-chain diol carrying agent, β-nicotinamide adenine dinucleotide (β-NAD) was used as a target molecule with stronger affinity for phenylboronic acid ligand. The maximum equilibrium adsorptions for RNA and β-NAD were determined as 60 and 159 mg/g sorbent, respectively. By using the synthesized sorbent, phosphate buffer at pH 7.0 containing sorbitol was successfuly used as a mild elution medium for obtaining quantitative desorptions with both RNA and β-NAD. RNA isolations from mammalian and bacterial cells were successfully performed while protecting the structural integrity of RNA via boronate affinity interaction in batch fashion. A microfluidic boronate affinity system including a microcolumn 300 μm in diameter was also constructed using APBA attached-silica microspheres as the stationary phase. The breakthrough curves of microfluidic system were obtained by studying with different feed concentrations of RNA and β-NAD. Quantitative desorptions and satisfactory isolation yields were obtained with RNA and β-NAD in the microfluidic system. The proposed system is useful for boronate affinity applications in genomics or proteomics in which valuable cis-diols at low concentrations are recovered from low-volume samples.
Collapse
Affiliation(s)
- Çiğdem Kip
- Hacettepe University, Chemical Engineering Department, 06800, Ankara, Turkey
| | - Hilal Gülüşür
- Hacettepe University, Institute of Science, Division of Nanotechnology and Nanomedicine, 06800, Ankara, Turkey
| | - Eda Çelik
- Hacettepe University, Chemical Engineering Department, 06800, Ankara, Turkey; Hacettepe University, Institute of Science, Division of Bioengineering, 06800, Ankara, Turkey
| | - Duygu Deniz Usta
- Department of Medical Biology and Genetics, Gazi University, 06500, Ankara, Turkey; Department of Medical Biology, Istanbul Medeniyet University, 34700, Istanbul, Turkey
| | - Ali Tuncel
- Hacettepe University, Chemical Engineering Department, 06800, Ankara, Turkey.
| |
Collapse
|