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        一步法人胃蛋白酶原II(PGII)酶聯(lián)免疫吸附檢測(cè)試劑盒
        
                    ELK010ES
                    
        
                        
        
                            
        
                                規(guī)格：
                                價(jià)格：
                            
        
                                                        
        
                                48T
                                ￥2240.00
                            
        
                                                        
        
                                96T
                                ￥3200.00
                            
        
                                                    
        
                    
        
                    
                
        
            
        
        
        

                
        
            
        
                
        Overview
                    
        
                
        
                    
        
                        
        
                            
        
                                
        
                                    
        
                                        Product name:
                                        EasyStep Human PGII(Pepsinogen II) ELISA Kit
                                    
        
                                                                            
        
                                            Reactivity:
                                            Human
                                        
        
                                                                                
        
                                            Alternative Names:
                                            PGII
                                        
        
                                                                                
        
                                           Assay Type:
                                           Sandwich
                                           
                                        
        
                                                                                
        
                                           Sensitivity:
                                           7 pg/mL
                                           
                                        
        
                                                                                
        
                                           Standard:
                                           10 ng/mL
                                           
                                        
        
                                                                                
        
                                           Detection Range:
                                           0.16-10 ng/mL
                                           
                                        
        
                                                                                
        
                                           Sample Type:
                                           Serum, plasma
                                           
                                        
        
                                                                                
        
                                           Assay Length:
                                           1.5h
                                           
                                        
        
                                                                                
        
                                           Research Area:
                                           Enzyme & Kinase;Tumor immunity;Gastroenterology;
                                           
                                        
        
                                                                                
        
                                           Test principle:
                                           The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Human PGII, and the Human PGII standard plate wells that pre-coated using protein-related techniques are provided separately. Standard/Sample Diluent Buffer or samples are added to the appropriate microtiter plate wells ,then added a HRP-conjugated antibody specific to Human PGII. After TMB substrate solution is added, only those wells that contain Human PGII and HRP-conjugated antibody will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Human PGII in the samples is then determined by comparing the OD of the samples to the standard curve.
                                           
                                        
        
                                                                        
        
                            
        
                                                    
        
                    
        
                
        
            
        
                        
        
                
        標(biāo)準(zhǔn)曲線(xiàn)
        
                
        
                    
        
                        
        
                            
        
                                Concentration (ng/mL)
                                OD
                                                                Corrected OD
                                                            
        
                                                        
        
                                10.00
                                2.058
                                                                1.965
                                                            
        
                                                        
        
                                5.00
                                1.628
                                                                1.535
                                                            
        
                                                        
        
                                2.50
                                1.109
                                                                1.016
                                                            
        
                                                        
        
                                1.25
                                0.821
                                                                0.728
                                                            
        
                                                        
        
                                0.63
                                0.474
                                                                0.381
                                                            
        
                                                        
        
                                0.32
                                0.361
                                                                0.268
                                                            
        
                                                        
        
                                0.16
                                0.228
                                                                0.135
                                                            
        
                                                        
        
                                0.00
                                0.093
                                                                0.000
                                                            
        
                                                    
        
                    
        

                    
        
                
        
            
        
                        
        
                
        精密度
        
                
        
                    
        Intra-assay Precision (Precision within an assay)：CV%<8%
        
                    
        Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
        
                    
        Inter-assay Precision (Precision between assays)：CV%<10%
        
                    
        Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.
        
                
        
            
        
                        
        
                
        回收率
        
                
        
                    
        Matrices listed below were spiked with certain level of recombinant PGII and the recovery rates were calculated by comparing the measured value to the expected amount of PGII in samples.
        
                    
        
                        
        
                            
        
                                Matrix
                                Recovery range
                                Average
                            
        
                            
        
                                serum(n=5)
                                90-105%
                                97%
                            
        
                            
        
                                EDTA plasma(n=5)
                                88-103%
                                95%
                            
        
                            
        
                                Heparin plasma(n=5)
                                92-106%
                                99%
                            
        
                        
        
                    
        
                
        
            
        
                        
        
                
        線(xiàn)性
        
                
        
                    
        The linearity of the kit was assayed by testing samples spiked with appropriate concentration of PGII and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
        
                    
        
                        
        
                            
        
                                Matrix
                                1:2
                                1:4
                                1:8
                                1:16
                            
        
                            
        
                                serum(n=5)
                                87-102%
                                82-91%
                                86-93%
                                81-94%
                            
        
                            
        
                                EDTA plasma(n=5)
                                91-98%
                                83-101%
                                87-98%
                                95-102%
                            
        
                            
        
                                Heparin plasma(n=5)
                                88-97%
                                78-96%
                                80-99%
                                89-97%
                            
        
                        
        
                    
        
                
        
            
        
            			
        
                
			    
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