Search results for: Rabbit Anti-RNF122 Polyclonal Antibody, Gold conjugated Isotype: IgG
#32663533 2020/07/11 To Up
A rapid and sensitive lateral flow immunoassay (LFIA) test for the on-site detection of banana bract mosaic virus in banana plants.
Banana bract mosaic virus (BBrMV) is a serious pathogen threatening the cultivation of banana and plantain worldwide. This study reports the development of a practical, rapid, sensitive, specific and user-friendly lateral flow immunoassay (LFIA) test for the on-site detection of BBrMV. The BBrMV coat protein (CP) was expressed in Escherichia coli and purified and used to immunize rabbits to produce a polyclonal antiserum (anti-BBrMVCP). The test was based on a double-antibody sandwich format. Protein-A affinity column-purified anti-BBrMVCP Immunoglobulins (IgG) (16 μg/mL), conjugated to ∼30 nm gold nanoparticles, was applied onto the conjugate pad. The anti-BBrMVCP IgG and goat anti-rabbit IgG were printed on the surface of a nitrocellulose filter membrane as the test line and control line, respectively. A positive result could be confirmed visually by the presence of a pink band that developed on the LFIA strip within 5-10 min. The detection limit of the test was 10 ng of the expressed recombinant BBrMV CP (rBBrMVCP), and a 1:20 dilution of the BBrMV-infected crude extract. This LFIA test was validated using 114 banana leaf samples randomly collected from the field and the results indicated a very high diagnostic sensitivity (99.04 %) and specificity (100 %) for the test. A Cohen's kappa coefficient of 0.861 obtained also indicated a very good agreement between the LFIA developed in this study and ELISA. This assay could be adopted by farmers, tissue culture industries and quarantine departments for surveys and surveillance. This is the first report on the development of a LFIA-based test for BBrMV detection.Ramasamy Selvarajan, Prasanya Selvam Kanichelvam, Velusamy Balasubramanian, Sundaram Sethurama Subramanian
2418 related Products with: A rapid and sensitive lateral flow immunoassay (LFIA) test for the on-site detection of banana bract mosaic virus in banana plants.
96 tests100tests1 kit 96 Tests 1 kit24 tests0.25 mgRelated Pathways
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#28727765 2017/07/20 To Up
Defining the target and the effect of imatinib on the filarial c-Abl homologue.
Previously we demonstrated the micro- and macrofilaricidal properties of imatinib in vitro. Here we use electron and multiphoton microscopy to define the target of imatinib in the adult and microfilarial stages of Brugia malayi and assess the effects of pharmacologically relevant levels of imatinib on the adult parasites.Elise M O'Connell, Olena Kamenyeva, Sara Lustigman, Aaron Bell, Thomas B Nutman
2491 related Products with: Defining the target and the effect of imatinib on the filarial c-Abl homologue.
min 2 cartons100.00 ul1 ml1200 units1500 Units11mgRelated Pathways
#27940044 2016/12/08 To Up
Immunochromatographic detection of the heat-labile enterotoxin of enterotoxigenic Escherichia coli with cross-detection of cholera toxin.
Here, we report the development of an immunochromatographic test strip that can detect heat-labile enterotoxin (LT) produced by enterotoxigenic Escherichia coli. Five types of monoclonal antibody (mAb)-producing hybridomas were isolated: three mAbs were A subunit specific and two were B subunit specific. Four mAbs also cross-reacted with both LT proteins derived from swine and human E. coli strains, but only one mAb 57B9 additionally cross-reacted with cholera toxin. Thus, mAb 57B9 was used to form a gold colloid-conjugated antibody for the immunochromatographic test by combination with polyclonal anti-LT rabbit IgG. This test strip detected not only LT in the culture supernatant of LT gene-positive strains, but also cholera toxin in the culture supernatant of Vibrio cholerae. These results indicate that this test strip is suitable for the diagnosis of both enterotoxigenic E. coli and V. cholerae infection.Hideyuki Arimitsu, Keiko Sasaki, Takao Tsuji
2873 related Products with: Immunochromatographic detection of the heat-labile enterotoxin of enterotoxigenic Escherichia coli with cross-detection of cholera toxin.
1 mg1 mg0.2 mg0.2 mg 5 G2x384 well plate0.1 mg100 U400 assaysRelated Pathways
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#10583677 // To Up
Production and utilization of polyclonal antibodies against nisin in an ELISA and for immuno-location of nisin in producing and sensitive bacterial strains.
Specific nisin polyclonal antibodies (PAb) were produced in rabbits using nisin Z produced by Lactococcus lactis subsp. lactis biovar diacetylactis UL 719. Antisera were obtained from white female New Zealand rabbits that were first immunized with a nisin Z-keyhole limpet haemocyanin conjugate and boosted with free nisin Z. Nisin-specific PAb were purified by affinity chromatography with a yield of 15 mg specific antinisin 100 ml-1 serum. The detection limit of the ELISA test for nisin Z was 0.75 ng ml-1 in buffer but was 1.7 and 3.5 ng ml-1 in milk and complex media broth spiked (5, 10, 20 microg ml-1) with nisin Z, respectively. In nisin Z-spiked samples, the average concentration was between 90 and 107% of actual added amount. In contrast, when the bioassay (microtitration method) was used, only 50-63% of nisin Z biological activity could be detected. In addition, the affinity-purified nisin PAb, antirabbit IgG gold conjugate and transmission electron microscopy were successfully used to locate nisin Z on producing cells and to observe its bactericidal effects against sensitive cells.M Bouksaim, C Lacroix, R Bazin, R E Simard
1787 related Products with: Production and utilization of polyclonal antibodies against nisin in an ELISA and for immuno-location of nisin in producing and sensitive bacterial strains.
100ug Lyophilized50 ug 50 ug 96T50 ug 100ug Lyophilized100ug Lyophilized96 wells (1 kit)1000 TESTS/0.65ml0.1 mg1 ml0.1ml (1mg/ml)Related Pathways
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