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A N B, O D H, N S K, A V Z, B B D. Immunodetection of Poorly Soluble Substances: Limitations and Their Overcoming. Crit Rev Anal Chem 2024:1-26. [PMID: 39360478 DOI: 10.1080/10408347.2024.2402835] [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: 10/04/2024]
Abstract
Immunoassays based on the specific antigen-antibody interactions are efficient tools to detect various compounds and estimate their content. Usually, these assays are implemented in water-saline media with composition close to physiological conditions. However, many substances are insoluble or cannot be molecularly dispersed in such media, which objectively creates problems when interacting in aquatic environments. Thus, obtaining immunoreactants and implementing immunoassays of these substances need special methodological solutions. Hydrophobicity of antigens as well as their limited ability to functionalization and conjugation are often overlooked when developing immunoassays for these compounds. The main key finding is the possibility to influence the behavior of hydrophobic compounds for immunoassays, which requires specific approaches summarized in the review. Using the examples of two groups of compounds-surfactants (alkyl- and bisphenols) and fullerenes, we systematized the existing knowledge and experience in the development of immunoassays. This review addresses the challenges of immunodetection of poorly soluble substances and proposes solutions such as the use of hydrotropes, other solubilization techniques, and alternative receptors (aptamers and molecularly imprinted polymers).
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Affiliation(s)
- Berlina A N
- Research Center of Biotechnology of the Russian Academy of Sciences, A. N. Bach Institute of Biochemistry, Moscow, Russia
| | - Hendrickson O D
- Research Center of Biotechnology of the Russian Academy of Sciences, A. N. Bach Institute of Biochemistry, Moscow, Russia
| | - Komova N S
- Research Center of Biotechnology of the Russian Academy of Sciences, A. N. Bach Institute of Biochemistry, Moscow, Russia
| | - Zherdev A V
- Research Center of Biotechnology of the Russian Academy of Sciences, A. N. Bach Institute of Biochemistry, Moscow, Russia
| | - Dzantiev B B
- Research Center of Biotechnology of the Russian Academy of Sciences, A. N. Bach Institute of Biochemistry, Moscow, Russia
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Zhang J, Zheng T, Helalat SH, Yesibolati MN, Sun Y. Synthesis of eco-friendly multifunctional dextran microbeads for multiplexed assays. J Colloid Interface Sci 2024; 666:603-614. [PMID: 38613982 DOI: 10.1016/j.jcis.2024.04.061] [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: 01/24/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 04/15/2024]
Abstract
There has been an increasing demand for simultaneous detection of multiple analytes in one sample. Microbead-based platforms have been developed for multiplexed assays. However, most of the microbeads are made of non-biodegradable synthetic polymers, leading to environmental and human health concerns. In this study, we developed an environmentally friendly dextran microbeads as a new type of multi-analyte assay platform. Biodegradable dextran was utilized as the primary material. Highly uniform magnetic dextran microspheres were successfully synthesized using the Shirasu porous glass (SPG) membrane emulsification technique. To enhance the amount of surface functional groups for ligand conjugation, we coated the dextran microbeads with a layer of dendrimers via a simple electrostatic adsorption process. Subsequently, a unique and efficient click chemistry coupling technique was developed for the fluorescence encoding of the microspheres, enabling multiplexed detection. The dextran microbeads were tested for 3-plex cytokine analysis, and exhibited excellent biocompatibility, stable coding signals, low background noise and high sensitivity.
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Affiliation(s)
- Jing Zhang
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Tao Zheng
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark.
| | - Seyed Hossein Helalat
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Murat Nulati Yesibolati
- National Centre for Nanofabrication and Characterization, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Yi Sun
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark.
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Baumgarten LG, Freitas AA, Santana ER, Winiarski JP, Dreyer JP, Vieira IC. Graphene and gold nanoparticle-based bionanocomposite for the voltammetric determination of bisphenol A in (micro)plastics. CHEMOSPHERE 2023; 334:139016. [PMID: 37224974 DOI: 10.1016/j.chemosphere.2023.139016] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/02/2023] [Accepted: 05/21/2023] [Indexed: 05/26/2023]
Abstract
The monitoring of endocrine disruptors in the environment is one of the main strategies in the investigation of potential risks associated with exposure to these chemicals. Bisphenol A is one of the most prevalent endocrine-disrupting compounds and is prone to leaching out from polycarbonate plastic in both freshwater and marine environments. Additionally, microplastics also can leach out bisphenol A during their fragmentation in the water environment. In the quest for a highly sensitive sensor to determine bisphenol A in different matrices, an innovative bionanocomposite material has been achieved. This material is composed of gold nanoparticles and graphene, and was synthesized using a green approach that utilized guava (Psidium guajava) extract for reduction, stabilization, and dispersion purposes. Transmission electron microscopy images revealed well-spread gold nanoparticles with an average diameter of 31 nm on laminated graphene sheets in the composite material. An electrochemical sensor was developed by depositing the bionanocomposite onto a glassy carbon surface, which displayed remarkable responsiveness towards bisphenol A. Experimental conditions such as the amount of graphene, extract: water ratio of bionanocomposite and pH of the supporting electrolyte were optimized to improve the electrochemical performance. The modified electrode displayed a marked improvement in current responses for the oxidation of bisphenol A as compared to the uncovered glassy carbon electrode. A calibration plot was established for bisphenol A in 0.1 mol L-1 Britton-Robinson buffer (pH 4.0), and the detection limit was determined to equal to 15.0 nmol L-1. Recovery data from 92 to 109% were obtained in (micro)plastics samples using the electrochemical sensor and were compared with UV-vis spectrometry, demonstrating its successful application with accurate responses.
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Affiliation(s)
- Luan Gabriel Baumgarten
- Laboratory of Biosensors, Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Florianópolis, SC, 88040-900, Brazil
| | - Aline Alves Freitas
- Laboratory of Biosensors, Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Florianópolis, SC, 88040-900, Brazil
| | - Edson Roberto Santana
- Laboratory of Biosensors, Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Florianópolis, SC, 88040-900, Brazil.
| | - João Paulo Winiarski
- Laboratory of Biosensors, Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Florianópolis, SC, 88040-900, Brazil
| | - Juliana Priscila Dreyer
- Laboratory of Biosensors, Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Florianópolis, SC, 88040-900, Brazil
| | - Iolanda Cruz Vieira
- Laboratory of Biosensors, Federal University of Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Florianópolis, SC, 88040-900, Brazil
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Wang Y, Wang M, Zhou L, Geng X, Xu Z, Zhang H. Development of a competitive ELISA based on estrogen receptor and weak competitive molecule for the screening of potential estrogens in foods. Food Chem 2022; 401:134084. [DOI: 10.1016/j.foodchem.2022.134084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 08/17/2022] [Accepted: 08/29/2022] [Indexed: 11/30/2022]
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