Bovine Alpha-Lactalbumin (aLA) (Sandwich ELISA) ELISA Kit

Mfr.No.

HEB018Bo

Sensitivity

0.35ng/mL

Detection Range

0.78-50ng/mL

Reactivity

Bovine

Assay Duration

Assay Type

Sandwich

Sample Volume

100 ul(Please refer to the manual for the specific data.)

Description

This assay has high sensitivity and excellent specificity for detection of High Sensitive Alpha-Lactalbumin (aLA).
No significant cross-reactivity or interference between High Sensitive Alpha-Lactalbumin (aLA) and analogues was observed.

Alternative Names

LALBA; LYZL7; Lactose Synthase B Protein; Lysozyme Like Protein 7

Detection Method

Colormetric

Kit Components

Reagents	Quantity	Reagents	Quantity
Pre-coated, ready to use 96-well strip plate	1	Plate sealer for 96 wells	4
Standard	2	Standard Diluent	1×20mL
Detection Reagent A	1×120µL	Assay Diluent A	1×12mL
Detection Reagent B	1×120µL	Assay Diluent B	1×12mL
TMB Substrate	1×9mL	Stop Solution	1×6mL
Wash Buffer (30 × concentrate)	1×20mL	Instruction manual	1

Recovery

Matrices listed below were spiked with certain level of recombinant High Sensitive Alpha-Lactalbumin (aLA) and the recovery rates were calculated by comparing the measured value to the expected amount of High Sensitive Alpha-Lactalbumin (aLA) in samples.

Matrix	Recovery range (%)	Average(%)
serum(n=5)	94-102	99
EDTA plasma(n=5)	82-101	95
heparin plasma(n=5)	82-104	95

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of High Sensitive Alpha-Lactalbumin (aLA) 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)	85-93%	89-99%	82-95%	97-105%
EDTA plasma(n=5)	96-105%	91-105%	85-92%	83-101%
heparin plasma(n=5)	97-105%	81-101%	95-102%	87-101%

Features

Detects protein (low-target protein, high-sensitivity)

Species

Bovine

Sample Type

Cell lysates, Cell culture supernates, Serum, Tissue homogenates, Plasma, Other biological fluids

Precautions

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.

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level High Sensitive Alpha-Lactalbumin (aLA) were tested 20 times on one plate, respectively. Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level High Sensitive Alpha-Lactalbumin (aLA) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: C<10%
Inter-Assay: C<12%

Notes

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 High Sensitive Alpha-Lactalbumin (aLA). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to High Sensitive Alpha-Lactalbumin (aLA). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain High Sensitive Alpha-Lactalbumin (aLA), biotin-conjugated antibody and enzyme-conjugated Avidin 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 High Sensitive Alpha-Lactalbumin (aLA) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Usage Notes

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.

Gene ID	281894
UniProt ID	P00711
Tissue Specificity	Reactive with Bovine aLA / Alpha-Lactalbumin

Applications	ELISA
Research Area	Tumor immunity

Storage	4°C for 1 month/ -20°C for long-term(within shelf life)
Shelf Life	one year

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SKU	Supplier No.	Size	Your price
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High Sensitive ELISA Kit for Alpha-Lactalbumin (aLA) (Bovine)

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