Name: Human CYFRA21-1 (Cytokeratin Fragment Antigen 21-1) Sandwich ELISA Kit (STJE0003432)
SKU: STJE0003432
Availability: InStock

Applications:	ELISA
Reactivity:	Human
Note:	FOR SCIENTIFIC EDUCATIONAL RESEARCH USE ONLY (RUO). MUST NOT BE USED IN DIAGNOSTIC OR OTHER MEDICAL APPLICATIONS.
Sensitivity:	0.19ng/mL
Detection Limit:	0.31~20ng/mL
Short Description :	This CYFRA21-1 Sandwich ELISA is an in-vitro enzyme-linked immunosorbent assay for the measurement of samples in human serum, plasma and other biological fluids.

Storage Instruction:	If unopened the kit may be stored at 2-8°C for up to 1 month. If the kit will not be used within 1 month, store the components separately, according to the component table in the manual.
Assay Time:	3.5h
Detection:	Colormetric

Gene Symbol:	KRT19
Gene ID:	3880
Uniprot ID:	K1C19_HUMAN
Specificity:	This kit recognizes Human CYFRA21-1 in samples. No significant cross-reactivity or interference between Human CYFRA21-1 and analogues was observed.
Sample Type:	Serum, plasma and other biological fluids

Function	Involved in the organization of myofibers. Together with KRT8, helps to link the contractile apparatus to dystrophin at the costameres of striated muscle.
Protein Name	Keratin - Type I Cytoskeletal 19 Cytokeratin-19 Ck-19 Keratin-19 K19
Database Links	Reactome: R-HSA-6805567 Reactome: R-HSA-6809371 Reactome: R-HSA-9725554
Alternative ELISA Names	Keratin - Type I Cytoskeletal 19 ELISA kit Cytokeratin-19 ELISA kit Ck-19 ELISA kit Keratin-19 ELISA kit K19 ELISA kit KRT19 ELISA kit
Specificity	This kit recognizes Human CYFRA21-1 in samples. No significant cross-reactivity or interference between Human CYFRA21-1 and analogues was observed.
Reproducibility	Both intra-CV and inter-CV are

Information sourced from Uniprot.org

Item	Specifications	Storage
Micro ELISA Plate (Dismountable)	96T: 8 wells ×12 strips strips	-20℃, 6 months
Reference Standard	96T: 2 vials 48T: 1 vial	-20℃, 6 months
Concentrated Biotinylated Detection Ab (100×)	96T: 1 vial, 120 μL 60 μL	-20℃, 6 months
Concentrated HRP Conjugate (100×)	96T: 1 vial, 120 μL 60 μL	-20℃ (Protect from light), 6 months
Reference Standard & Sample Diluent	1 vial, 20 mL	2-8°C, 6 months
Biotinylated Detection Ab Diluent	1 vial, 14 mL	2-8°C, 6 months
HRP Conjugate Diluent	1 vial, 14 mL	2-8°C, 6 months
Concentrated Wash Buffer (25×)	1 vial, 30 mL	2-8°C, 6 months
Substrate Reagent	1 vial, 10 mL	2-8℃ (Protect from light)
Stop Solution	1 vial, 10 mL	2-8°C
Plate Sealer	5 pieces
Manual	1 copy
Certificate of Analysis	1 copy

	Intra-assay Precision	Intra-assay Precision	Intra-assay Precision	Inter-assay Precision	Inter-assay Precision	Inter-assay Precision
Sample	1.00	2.00	3.00	1.00	2.00	3.00
n	20.00	20.00	20.00	20.00	20.00	20.00
Mean (ng/mL)	1.04	2.49	9.48	1.11	2.33	10.10
Standard deviation	0.07	0.12	0.45	0.06	0.12	0.34
CV (%)	6.73	4.82	4.75	5.41	5.15	3.37

Model	Name	Reactivity	Application
STJE0008295	Human CYFRA21-1 (Cytokeratin Fragment Antigen 21-1) Sandwich ELISA Kit Kit (STJE0008295)	Human	ELISA
STJE0014672	Human CYFRA21-1 (Cytokeratin Fragment Antigen 21-1) Sandwich ELISA Kit Ready-To-Use Kit (STJE0014672)	Human	ELISA
STJC0000878	Human CYFRA21-1 (Cytokeratin Fragment Antigen 21-1) CLIA Kit (STJC0000878)	Human	CLIA
STJE0008581	Human EEA1 (Early Endosome Antigen 1) Sandwich ELISA Kit Kit (STJE0008581)	Human	ELISA
STJE0003232	Human F1+2 (Prothrombin Fragment 1+2) Sandwich ELISA Kit (STJE0003232)	Human	ELISA

Human CYFRA21-1 (Cytokeratin Fragment Antigen 21-1) Sandwich ELISA Kit (STJE0003432)