Human Cathepsin Z ELISA Kit PicoKine®

CTSZ ELISA kit for Human

Human Cathepsin Z ELISA Kit PicoKine® (96 Tests). Quantitate Human CTSZ in cell culture supernatants, serum and plasma (heparin, EDTA). Sensitivity: 10 pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.

Product Info Summary

SKU: EK2178
Size: 96 wells/kit, with removable strips.
Reactive Species: Human
Application: ELISA
Sample Types: cell culture supernatants, serum and plasma (heparin, EDTA)

Product Name

Human Cathepsin Z ELISA Kit PicoKine®

SKU/Catalog Number

EK2178

Size

96 wells/kit, with removable strips.

*Question: How many samples can I assay/run in this kit?

Description

Human Cathepsin Z ELISA Kit PicoKine® (96 Tests). Quantitate Human CTSZ in cell culture supernatants, serum and plasma (heparin, EDTA). Sensitivity: 10 pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.

Storage & Handling

Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)

Cite This Product

Human Cathepsin Z ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK2178)

Clonality of Antibodies

See Datasheet for details

Standard Protein

Expression system for standard: NS0; Immunogen sequence: A21-V303

Capture/Detection Antibodies

The capture antibody is monoclonal antibody from mouse and the detection antibody is polyclonal antibody from goat.

Sensitivity

<10 pg/ml

Assay Range

312 pg/ml - 20,000 pg/ml

Standard Dilution Instructions

serial dilution instructions image

See datasheet of EK2178 for more details

Cross-reactivity

There is no detectable cross-reactivity with other relevant proteins.

Reactive Species

EK2178 is reactive to CTSZ in Human samples

Validated Sample Types

cell culture supernatants, serum and plasma (heparin, EDTA)

Application Guarantee

EK2178 is guaranteed for ELISA in Human by Boster Guarantee

See how Boster Bio validate our ELISA kits: ELISA Validation Information

Background of CTSZ

Cathepsin Z, also called cathepsin X or cathepsin P, is a protein that in humans is encoded by the CTSZ gene. The protein encoded by this gene is a lysosomal cysteine proteinase and member of the peptidase C1 family. It exhibits both carboxy-monopeptidase and carboxy-dipeptidase activities. The encoded protein has also been known as cathepsin X and cathepsin P. This gene is expressed ubiquitously in cancer cell lines and primary tumors and, like other members of this family, may be involved in tumorigenesis.

Kit Components

Catalog Number Description Quantity
EK2178-CAP Anti-Human CTSZ Pre-coated 96-well strip microplate 1
EK2178-ST Human CTSZ Standard 2 vials, 20 ng/tube
EK2178-DA Human CTSZ Biotinylated antibody (100x) 100ul
AR1103 Avidin-Biotin-Peroxidase Complex (100x) 100ul
AR1106-1 Sample Diluent 30ml
AR1106-2 Antibody Diluent 12ml
AR1106-3 Avidin-Biotin-Peroxidase Diluent 12ml
AR1104 Color Developing Reagent (TMB) 10ml
AR1105 Stop Solution 10ml
AR1106-5 Wash Buffer (25x) 20ml
PLA-SEA Adhesive plate sealers 4

*The kit components are not available for individual purchase.

Materials Required But Not Included In Kit

  • Microplate Reader capable of reading absorbance at 450nm.
  • Incubator.
  • Automated plate washer (optional).
  • Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
  • Multichannel pipettes are recommended for large amount of samples.
  • Deionized or distilled water.
  • 500ml graduated cylinders.
  • Test tubes for dilution.

Validation Standard Curve O.D. At 450nm

Concentration (ng/ml)00.3120.621.252.551020
O.D.0.0190.0780.1310.2270.4090.7191.3042.202

Data Example Images

Intra Assay Consistency & Inter Assay Consistency

We measured random samples of Human Cathepsin Z ELISA Kit PicoKine® within the same batch/lot to ensure the consistency of the kits' performances. ELISA intra assay consistency is measured using wells from the same plate/assay kit. ELISA inter assay consistency is measured using wells from different plates from the same batch production/lot.

Intra-Assay PrecisionInter-Assay Precision
Sample123123
n161616242424
Mean(pg/ml)4681652452752116994651
Standard deviation15.4457.82276.1523.4554.37279.06
CV(%)3.3%3.5%6.1%4.5%3.3%6%

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Boster Guarantee

Guaranteed product quality

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We promise all of our products perform as described in datasheets.

This product is for Research Use Only. Not for use in diagnostic procedures.

Update date: Apr 3, 2026