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Kaladari F, El-Maghrabey M, Kishikawa N, Kuroda N. Development of signal multiplication system for quinone linked immunosorbent assay (Multi-QuLISA) by using poly-l-lysine dendrigraft and 1,2-naphthoquinone-4-sulfonate as enzyme-free tag. Talanta 2023; 253:123911. [PMID: 36137493 DOI: 10.1016/j.talanta.2022.123911] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/28/2022] [Accepted: 08/30/2022] [Indexed: 12/13/2022]
Abstract
A sensitive and stable signal multiplied quinone-linked immunosorbent assay (Multi-QuLISA) was developed. In Multi-QuLISA, an oligomerized quinone linked to biotin, namely biotin-8mer-naphthoquinone (Bio8mer-NQ), is used as a signal-generating label. Bio8mer-NQ is formed from a dendrigraft poly-l-lysine generation 1 (DPLL G1), a controlled branched oligomer composed of eight lysine moieties with nine free amino groups as a backbone. One of the nine amino groups of DPLL G1 is attached to biotin moiety, while the other eight are attached to 1,2-naphthoquinone-4-sulfonate (NQS). Bio8mer-NQ labels a biotinylated detection antibody using avidin as a co-binder. Then, multi-quinones in Bio8mer-NQ undergo a redox cycle with dithiothreitol and luminol, generating strong chemiluminescence. Standard ELISA uses a label enzyme that suffers from vulnerability in different conditions and poor stability. Bio8mer-NQ showed better stability than the enzyme (biotin-HRP) under different drastic pH and temperature conditions, hydrolytic enzymes, etc. Furthermore, Bio8mer-NQ was used as both chemiluminescence and colorimetric label based on the redox cycle of quinone, and it had LODs of 1.5 and 6.5 nM, respectively. The method could detect biotinylated immunocomplex in an in-house designed immunoassay down to 0.2 nM, which is about 25 times more sensitive than biotin HRP. Eventually, Bio8mer-NQ was applied successfully in Multi-QuLISA for detecting β-casein with a sensitivity of 3.2 ng/mL, while the conventional ELISA had an LOD of 35 ng/mL. Overall, Bio8mer-NQ is a stable compound that could be used as an excellent replacement for the enzyme in immunoassay and can be used in both colorimetric and chemiluminescence assays with good sensitivity.
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Affiliation(s)
- Fatema Kaladari
- Department of Analytical Chemistry for Pharmaceuticals, Course of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Mahmoud El-Maghrabey
- Department of Analytical Chemistry for Pharmaceuticals, Course of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan; Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Naoya Kishikawa
- Department of Analytical Chemistry for Pharmaceuticals, Course of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Naotaka Kuroda
- Department of Analytical Chemistry for Pharmaceuticals, Course of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan.
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Wang X, Zeng H, Xu J, Zhai Y, Xia H, Xi Y, Han Z. Characteristics of ruminal microbiota and metabolome in Holstein cows differing in milk protein concentrations. J Anim Sci 2022; 100:skac253. [PMID: 35938984 PMCID: PMC9645559 DOI: 10.1093/jas/skac253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 08/05/2022] [Indexed: 11/14/2022] Open
Abstract
The rumen is a vital organ containing vast amounts of microbes that play a key role in the digestion of nutrients and affect the production performance of ruminants. However, few studies have focused on the characterization of the ruminal microbiota composition and function in cows with long-term difference milk protein concentrations, and the relationship between milk protein concentration and ruminal microbiota remains elusive. In this study, we collected the data of milk protein concentrations of 1,025 Holstein cows for 10 mo on a commercial farm. Based on the milk protein concentrations, 30 cows were selected and divided into three groups (n = 10 per group): low milk protein group (LMP, milk protein concentration < 3.1%), medium milk protein group (MMP, 3.1% ≤ milk protein concentration < 3.4%), and high milk protein group (HMP, milk protein concentration ≥ 3.4%). The ruminal microbiome, metabolome, VFA concentrations and proportions, and amino acid profiles of the three groups were analyzed. The data showed that free amino acid (FAA) levels were lower in the rumen and higher in the plasma of HMP cows (P < 0.05). In addition, lower NH3 concentrations were observed in the rumen, plasma, and milk of the HMP cows (P < 0.05). Protease activity and isobutyric acid molar proportion in the rumen were lower in the HMP group (P < 0.05). Microbiome analysis showed that HMP cows had lower microbial diversity (represented as Shannon and Simpson indices) than LMP cows. At the genus level, lower relative abundances of Prevotella_1 and Ruminococcaceae_UCG_005 were observed in the HMP group (P < 0.05). At the operational taxonomic unit (OTU) level, a lower relative abundance of OTU3 (Prevotella ruminicola) was observed in the HMP group (P < 0.05). We found that the relative abundances of ruminal Prevotella_1 and OTU3 (Prevotella ruminicola) were negatively correlated with milk protein concentration (P < 0.05). These findings suggested that the cows with long-term high milk protein concentrations had lower microbial diversity and weaker protein degradation ability in the rumen. Furthermore, our observations identified a correlation between the milk protein concentration and ruminal microbiota.
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Affiliation(s)
- Xinling Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Hanfang Zeng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jie Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yunfei Zhai
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Haibin Xia
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yumeng Xi
- Key Laboratory of Crop and Animal Integrated Farming, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
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Mohsin AZ, Sukor R, Selamat J, Meor Hussin AS, Ismail IH, Azri FA, Mustafa RR, Mansor M. Development of biotin-streptavidin amplified peptide antibody-based ELISA for quantification of αS1-casein in goat milk. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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4
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Yin XL, Liu YQ, Gu HW, Zhang Q, Zhang ZW, Li H, Li PW, Zhou Y. Multicolor enzyme-linked immunosorbent sensor for sensitive detection of organophosphorus pesticides based on TMB2+-mediated etching of gold nanorods. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106411] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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5
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6
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Tsai W, Yin H, Chen S, Chang H, Wen H. Development of monoclonal antibody‐based sandwich
ELISA
for detecting major mango allergen Man i1 in processed foods. J Food Saf 2021. [DOI: 10.1111/jfs.12884] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Wen‐Che Tsai
- Department of Food Science and Biotechnology National Chung Hsing University Taiwan
| | - Hsin‐Yi Yin
- Department of Food Science and Biotechnology National Chung Hsing University Taiwan
- Food and Livestock Product Safety Inspection Center National Chung Hsing University Taiwan
| | - Ssu‐Ning Chen
- Department of Food Science and Biotechnology National Chung Hsing University Taiwan
| | - Hung‐Chi Chang
- Department of Golden‐Ager Industry Management Chaoyang University of Technology Taiwan
| | - Hsiao‐Wei Wen
- Department of Food Science and Biotechnology National Chung Hsing University Taiwan
- Graduate Institute of Food Safety National Chung Hsing University Taiwan
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7
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Antibody-biotin-streptavidin-horseradish peroxidase (HRP) sensor for rapid and ultra-sensitive detection of fumonisins. Food Chem 2020; 316:126356. [DOI: 10.1016/j.foodchem.2020.126356] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/15/2020] [Accepted: 02/03/2020] [Indexed: 12/19/2022]
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8
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He S, Li X, Gao J, Tong P, Chen H. Development of sandwich ELISA for testing bovine β-lactoglobulin allergenic residues by specific polyclonal antibody against human IgE binding epitopes. Food Chem 2017; 227:33-40. [DOI: 10.1016/j.foodchem.2017.01.060] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 01/01/2017] [Accepted: 01/13/2017] [Indexed: 01/01/2023]
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9
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Xu N, Pan L, Yu C, Wei X, Wang Y. Goldmag-based enzyme-linked immunosorbent assay for determination of α-lactalbumin in milk. FOOD AGR IMMUNOL 2017. [DOI: 10.1080/09540105.2017.1332013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Affiliation(s)
- Naifeng Xu
- Institute of Food Engineering, College of Life & Environment Science, Shanghai Normal University, Shanghai, People's Republic of China
| | - Li Pan
- Institute of Food Engineering, College of Life & Environment Science, Shanghai Normal University, Shanghai, People's Republic of China
| | - Chao Yu
- Institute of Food Engineering, College of Life & Environment Science, Shanghai Normal University, Shanghai, People's Republic of China
| | - Xinlin Wei
- Institute of Food Engineering, College of Life & Environment Science, Shanghai Normal University, Shanghai, People's Republic of China
| | - Yuanfeng Wang
- Institute of Food Engineering, College of Life & Environment Science, Shanghai Normal University, Shanghai, People's Republic of China
- State Key Laboratory of Dairy Biotechnology, Bright Dairy Co Ltd., Shanghai, P. R. China
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Li YS, Meng XY, Zhou Y, Zhang YY, Meng XM, Yang L, Hu P, Lu SY, Ren HL, Liu ZS, Wang XR. Magnetic bead and gold nanoparticle probes based immunoassay for β-casein detection in bovine milk samples. Biosens Bioelectron 2014; 66:559-64. [PMID: 25522084 DOI: 10.1016/j.bios.2014.12.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 11/27/2014] [Accepted: 12/08/2014] [Indexed: 10/24/2022]
Abstract
In this work, a double-probe based immunoassay was developed for rapid and sensitive determination of β-casein in bovine milk samples. In the method, magnetic beads (MBs), employed as supports for the immobilization of anti-β-casein polyclonal antibody (PAb), were used as the capture probe. Colloidal gold nanoparticles (AuNPs), employed as a bridge for loading anti-β-casein monoclonal antibody (McAb) and horseradish peroxidase (HRP), were used as the amplification probe. The presence of β-casein causes the sandwich structures of MBs-PAb-β-casein-McAb-AuNPs through the interaction between β-casein and the anti-β-casein antibodies. The HRP, used as an enzymatic-amplified tracer, can catalytically oxidize the substrate 3,3',5,5'-tetramethylbenzidine (TMB), generating optical signals that are proportional to the quantity of β-casein. The linear range of the immunoassay was from 6.5 to 1520ngmL(-1). The limit of detection (LOD) was 4.8ngmL(-1) which was 700 times lower than that of MBs-antibody-HRP based immunoassay and 6-7 times lower than that from the microplate-antibody-HRP based assay. The recoveries of β-casein from bovine milk samples were from 95.0% to 104.3% that had a good correlation coefficient (R(2)=0.9956) with those obtained by an official standard Kjeldahl method. For higher sensitivity, simple sample pretreatment and shorter time requirement of the antigen-antibody reaction, the developed immunoassay demonstrated the viability for detection of β-casein in bovine milk samples.
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Affiliation(s)
- Y S Li
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - X Y Meng
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - Y Zhou
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China.
| | - Y Y Zhang
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - X M Meng
- Grain and Oil Food Processing Key Laboratory of Jilin Province, Jilin Business and Technology College, Changchun 130062, PR China
| | - L Yang
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - P Hu
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - S Y Lu
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - H L Ren
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - Z S Liu
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - X R Wang
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
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Li Y, Zhou Y, Meng X, Zhang Y, Song F, Lu S, Ren H, Hu P, Liu Z, Zhang J. Gold nanoparticle aggregation-based colorimetric assay for β-casein detection in bovine milk samples. Food Chem 2014; 162:22-6. [DOI: 10.1016/j.foodchem.2014.04.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 02/09/2014] [Accepted: 04/12/2014] [Indexed: 10/25/2022]
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12
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Song F, Zhou Y, Li YS, Meng XM, Meng XY, Liu JQ, Lu SY, Ren HL, Hu P, Liu ZS, Zhang YY, Zhang JH. A rapid immunomagnetic beads-based immunoassay for the detection of β-casein in bovine milk. Food Chem 2014; 158:445-8. [PMID: 24731368 DOI: 10.1016/j.foodchem.2014.02.150] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 09/22/2013] [Accepted: 02/26/2014] [Indexed: 11/17/2022]
Abstract
An immunomagnetic beads-based enzyme-linked immunosorbent assay (IMBs-ELISA) was developed for the detection of β-casein in bovine milk. Immunomagnetic beads (IMBs) were employed as the solid phase. The anti-β-casein monoclonal antibody (McAb) bound to IMBs was used as capture probe and an anti-β-casein polyclonal antibody (PcAb), labelled with horseradish peroxidase (HRP), was employed as detector probe. Three reaction and two washing steps were needed. Each reaction needed 10 min or less, which significantly shortened detection compared with classic sandwich ELISA. β-Casein in bovine milk was detected across a linear range (2-128 μg mL(-1)). Application results were in accordance with the Kjejdahl method, which suggests the IMBs-ELISA is rapid and reliable for the detection of β-casein in bovine milk.
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Affiliation(s)
- F Song
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - Y Zhou
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China.
| | - Y S Li
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - X M Meng
- Grain and Oil Food Processing Key Laboratory of Jilin Province, Jilin Business and Technology College, Changchun 130062, PR China
| | - X Y Meng
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - J Q Liu
- Production Quality Test Institute of Jilin Province, Changchun 130022, PR China
| | - S Y Lu
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - H L Ren
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - P Hu
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - Z S Liu
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - Y Y Zhang
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
| | - J H Zhang
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130062, PR China
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