Multiplex Assay Kit for Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) 
PYY1; Peptide tyrosine tyrosine
Overview
Properties
- Product No.CMB067Ca
- Organism SpeciesCanis familiaris; Canine (Dog) Same name, Different species.
- ApplicationsFLIA Kit for Antigen Detection.
Research use only - DownloadInstruction Manual
- CategoryNeuro scienceHepatology
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Packages (Simulation)
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Packages (Simulation)
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ISO9001: 2008, ISO13485: 2003 Registered
Recovery
Matrices listed below were spiked with certain level of recombinant Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) and the recovery rates were calculated by comparing the measured value to the expected amount of Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 92-103 | 99 |
| EDTA plasma(n=5) | 94-101 | 98 |
| heparin plasma(n=5) | 78-102 | 98 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%
Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
| Sample | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 94-102% | 89-103% | 79-89% | 98-105% |
| EDTA plasma(n=5) | 94-105% | 79-103% | 85-99% | 78-89% |
| heparin plasma(n=5) | 89-98% | 80-96% | 87-104% | 90-98% |
Stability
The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.
Reagents and materials provided
| Reagents | Quantity | Reagents | Quantity |
| 96-well plate | 1 | Plate sealer for 96 wells | 4 |
| Pre-Mixed Standard | 2 | Standard Diluent | 1×20mL |
| Pre-Mixed Magnetic beads (22#:PYY) | 1 | Analysis buffer | 1×20mL |
| Pre-Mixed Detection Reagent A | 1×120μL | Assay Diluent A | 1×12mL |
| Detection Reagent B (PE-SA) | 1×120μL | Assay Diluent B | 1×12mL |
| Sheath Fluid | 1×10mL | Wash Buffer (30 × concentrate) | 1×20mL |
| Instruction manual | 1 |
Assay procedure summary
1. Add 200μL analysis buffer solution to each well of the plate for pre-wetting;
2. Preparation of standards, reagents and samples before the experiment;
3. Add 50μL standard or sample to each well, add 50μL prepared Detection Reagent A, add 10μL magnetic beads, and incubate 90 minutes protect from light at 25°C on shaker;
4. Remove liquid on magnetic frame, add 100μL prepared Detection Reagent B, and incubate 30 minutes protect from light at 25°C on shaker;
5. Wash plate once on magnetic frame;
6. Add 100μL sheath fluid, swirl for 10 minutes, read on the machine.
Test principle
Anti-Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) antibody was coated on the surface of magnetic beads. A competitive inhibition reaction is launched between biotin labeled Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) and unlabeled Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) (Standards or samples) with the pre-coated antibody specific to Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array). PE-labeled avidin was added. The amount of bound PE conjugate is reverse proportional to the concentration of Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) in the sample, the intensity of MFI developed is reverse proportional to the concentration of Peptide YY (PYY) ,etc. by CBA (Cytometric Bead Array) in the sample.
Giveaways
Increment services
Citations
- The Effects of Concurrent Resistance and Endurance Exercise on Hunger Feelings and PYY in Obese MenCom:Source
- Effect of an Acute Incremental Exercise on Plasma Peptide YY, Neuropeptide Y and IGF-1 Concentrations in Young AthletesAassjournal:Source
- Calprotectin in serum and zonulin in serum and feces are elevated after introduction of a diet with lower carbohydrate content and higher fiber, fat and protein contents.pubmed:28413639
- Effect of lifestyle improvement program on the biomarkersof adiposity, inflammation and gut hormones in overweight/obese Asian Indians with prediabetespubmed:28620678
- Calprotectin in serum and zonulin in serum and feces are elevated after introduction of a diet with lower carbohydrate content and higher fiber, fat and protein contents10.3892/br.2017.865
- High Fiber Fat and Protein Contents Lead to Increased Satiety Reduced Sweet Cravings and Decreased Gastrointestinal Symptoms Independently of Anthropometric Hormonal and Metabolic Factors10.4172/2155-6156.1000733
- Ileal Transposition Surgery Decreases Fat Mass and Improves Glucose Metabolism in Diabetic GK Rats: Possible Involvement of FGF21Pubmed:29593555
- Alignments of endocrine, anthropometric, and metabolic parameters in type 2 diabetes after intervention with an Okinawa-based Nordic dietPubmed:29599686
- Grape Seed Proanthocyanidin Affects Lipid Metabolism via Changing Gut Microflora and Enhancing Propionate Production in Weaned PigsPubmed: 31175811
- Bile acid receptor TGR5 is critically involved in preference for dietary lipids and obesityPubmed: 31812910
- Serotonin involvement in okadaic acid-induced diarrhoea in vivo34148100
- Appetite and Satiety Effects of the Acute and Regular Consumption of Green Coffee Phenols and Green Coffee Phenol/Oat β-Glucan Nutraceuticals in Subjects with …34828792