Search results for: Rabbit Anti-C12ORF63 Polyclonal Antibody, HRP conjugated Isotype: IgG
#37167766 2023/05/08 To Up
Quantitation of total antibody (tAb) from antibody drug conjugate (ADC) PYX-201 in rat and monkey plasma using an enzyme-linked immunosorbent assay (ELISA) and its application in preclinical studies.
PYX-201 is an investigative ADC oncology drug composed of a monoclonal human immunoglobulin G (IgG) antibody targeting the extra domain B splice variant of fibronectin (EDB + FN) conjugated to an auristatin payload through a cleavable linker. Effective measurement of PYX-201 tAb is the key to ADC drug PYX-201 preclinical pharmacokinetics (PK) assessment. PYX-201 monoclonal antibody (mAb) was used as the reference standard, goat anti-human IgG polyclonal antibody (pAb) or rabbit anti-human Kappa light chain mAb was employed as the capture antibody, and mouse mAb or goat pAb anti-human IgG the crystallizable fragment (Fc) (horseradish peroxidase (HRP)) was utilized as the detection antibody in this ELISA. This assay was validated with a dynamic range 250 - 10,000 ng/mL and 250 - 6000 ng/mL in rat and monkey KEDTA plasma, respectively. PYX-201 tAb bioanalytical ELISA assay was reported for the first time in any biological matrix. This is the first time for a bioanalytical method to be validated for a tAb from an ADC drug targeting EDB + FN in any biological matrix.Feng Yin, Chris DeCiantis, Jan Pinkas, Biplab Das, Frank Wang, Nancy Zheng, David Hahn, Aniruddha Amrite, Jianwen Feng, Diana Adhikari, Cheikh Kane, Jack Sikora, Justin Pittman, Rebecca Wates, Elizabeth Shaheen, Shawn Harriman
2028 related Products with: Quantitation of total antibody (tAb) from antibody drug conjugate (ADC) PYX-201 in rat and monkey plasma using an enzyme-linked immunosorbent assay (ELISA) and its application in preclinical studies.
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#32762697 2020/08/06 To Up
Evaluation of an in-house indirect enzyme-linked immunosorbent assay of feline panleukopenia VP2 subunit antigen in comparison to hemagglutination inhibition assay to monitor tiger antibody levels by Bayesian approach.
Feline panleukopenia virus (FPV) is an etiologic pathogen of feline panleukopenia that infects all members of Felidae including tigers (Panthera tigris). Vaccinations against FPV among wild felid species have long been practiced in zoos worldwide. However, few studies have assessed the tiger immune response post-vaccination due to the absence of a serological diagnostic tool. To address these limitations, this study aimed to develop an in-house indirect enzyme-linked immunosorbent assay (ELISA) for the monitoring of tiger antibody levels against the feline panleukopenia vaccine by employing the synthesized subunit capsid protein VP2. An in-house horseradish peroxidase (HRP) conjugated rabbit anti-tiger immunoglobulin G (IgG) polyclonal antibody (HRP-anti-tiger IgG) was produced in this study and employed in the assay. It was then compared to a commercial HRP-conjugated goat anti-cat IgG (HRP-anti-cat IgG). Sensitivity and specificity were evaluated using the Bayesian model with preferential conditional dependence between HRP-conjugated antibody-based ELISAs and hemagglutination-inhibition (HI) tests.Chanakan Areewong, Amarin Rittipornlertrak, Boondarika Nambooppha, Itsarapan Fhaikrue, Tawatchai Singhla, Chollada Sodarat, Worapat Prachasilchai, Preeyanat Vongchan, Nattawooti Sthitmatee
2504 related Products with: Evaluation of an in-house indirect enzyme-linked immunosorbent assay of feline panleukopenia VP2 subunit antigen in comparison to hemagglutination inhibition assay to monitor tiger antibody levels by Bayesian approach.
1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)1 kit(96 Wells)Related Pathways
#25789227 2015/03/05 To Up
Production and Purification of a Polyclonal Antibody Against Purified Mouse IgG2b in Rabbits Towards Designing Mouse Monoclonal Isotyping Kits.
Mouse IgG subclasses containing IgG1, IgG2a, IgG2b and IgG3 have been defined and described both physiochemically and immunologically.Sadeq Eivazi, Jafar Majidi, Leili Aghebati Maleki, Jalal Abdolalizadeh, Mehdi Yousefi, Majid Ahmadi, Somayeh Dadashi, Zahra Moradi, Elmira Zolali
2960 related Products with: Production and Purification of a Polyclonal Antibody Against Purified Mouse IgG2b in Rabbits Towards Designing Mouse Monoclonal Isotyping Kits.
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#23568207 // To Up
Production of mouse anti-quail IgY and subsequent labeling with horseradish peroxidase using cyanuric chloride.
Polyclonal antibodies labeled with a tracer have been commonly used as secondary antibodies in immunochemical assays to quantify the concentration of antibody-antigen complexes. The majority of these antibodies conjugated with a tracer are commercially available, with the exception of few untouched targets. This study focused on the production and application of mouse anti-quail IgY as an intermediate antibody to link between quail egg yolk IgY and goat anti-mouse IgG-HRP as primary and secondary antibodies, respectively. Subsequently, the produced mouse anti-quail IgY was labeled with horseradish peroxidase (HRP) and its efficiency on enzyme linked immunosorbent assay (ELISA) was compared with that of commercial rabbit anti-chicken IgY-HRP. As an intermediate antibody, mouse anti-quail IgY was successfully produced with good affinity and sensitivity (1:10,000) to the primary and secondary antibodies. Subsequently, mouse anti-quail IgY was effectively conjugated with HRP enzyme, resulting in a secondary antibody with good sensitivity (1:10,000) to quail anti-V. parahaemolyticus and V. vulnificus IgY. The detection limit was 10(5) CFU/ml for both V. parahaemolyticus and V. vulnificus. The efficiency of the produced conjugate to detect quail IgY on ELISA was comparable to that of the commercial rabbit anti-chicken IgY-HRP, and hence the produced and labeled mouse anti-quail IgY-HRP can be used as a secondary antibody to detect any antibody produced in quail.Neema Kassim, Adelard B Mtenga, Won-Bo Shim, Duck-Hwa Chung
1826 related Products with: Production of mouse anti-quail IgY and subsequent labeling with horseradish peroxidase using cyanuric chloride.
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#21998019 2011/10/13 To Up
Validated enzyme-linked immunosorbent assay for determination of rosuvastatin in plasma at picogram level.
In this study, a highly sensitive enzyme-linked immunosorbent assay (ELISA) has been developed and validated for the determination of rosuvastatin (ROS) in plasma samples at picogram level. The assay employed a polyclonal antibody that specifically recognizes ROS with high affinity, and ROS conjugate of bovine serum albumin (ROS-BSA) immobilized onto microplate wells as a solid phase. The assay involved a competitive binding reaction between ROS, in plasma sample, and the immobilized ROS-BSA for the binding sites on a limited amount of the anti-ROS antibody. The bound anti-ROS antibody was quantified with horseradish peroxidase-labelled second anti-rabbit IgG antibody (HRP-IgG) and 3,3`,5,5`-tetramethylbenzidine (TMB) as a substrate for the peroxidase enzyme. The concentration of ROS in the sample was quantified by its ability to inhibit the binding of the anti-ROS antibody to the immobilized ROS-BSA and subsequently the colour intensity in the assay wells. The assay limit of detection was 25 pg ml(-1) and the effective working range at relative standard deviations (RSD) of ≤ 5% was 40-2000 pg ml(-1). Analytical recovery of ROS from spiked plasma was 96.2 - 104.8 ± 2.12 - 5.42%. The precision of the assay was satisfactory; RSD was 2.47 - 4.46 and 3.24 - 5.27% for the intra- and inter-assay precision, respectively. The analytical procedure is convenient, and one can analyze ~ 200 samples per working day, facilitating the processing of large-number batch of samples. The proposed ELISA has a great value in routine analysis of ROS for its pharmacokinetic studies.Ibrahim A Darwish, Abdul-Rahman M Al-Obaid, Hamoud A Al-Malaq
2387 related Products with: Validated enzyme-linked immunosorbent assay for determination of rosuvastatin in plasma at picogram level.
100Tests400Tests900 tests100 tests100 assays1 Set96 samples4 Membranes/Box100 assays1 kitRelated Pathways
#6198399 // To Up
An antibody chimera technique applied to enzyme immunoassay for human alpha-1-fetoprotein with monoclonal and polyclonal antibodies.
A 2-step enzyme immunoassay (EIA) for human alpha-1-fetoprotein (AFP) is proposed, which uses covalently coupled anti-AFP IgG and anti-horseradish peroxidase (HRP) IgG (antibody chimera) binding HRP as the marker enzyme immunologically. The use of polyclonal and monoclonal anti-AFP linked to anti-HRP antibodies was compared with a conventional 2-site binding EIA with HRP covalently bound to anti-AFP IgG. The sensitivity of the conventional EIA is increased by the use of an antibody chimera comprising a molar ratio of anti-AFP IgG: anti-HRP IgG of 1:8, especially if monoclonal antibodies are employed. This improved sensitivity may be achieved by a very simple coupling procedure without purification of conjugate and with very crude HRP preparations.B Porstmann, S Avrameas, T Ternynck, T Porstmann, B Micheel, J L Guesdon
2497 related Products with: An antibody chimera technique applied to enzyme immunoassay for human alpha-1-fetoprotein with monoclonal and polyclonal antibodies.
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