Rat Serpin D1 ELISA Kit PicoKine™

Rat Serpin D1 ELISA Kit PicoKine™ (96 Tests). Quantitate Rat Serpind1 in cell culture supernatants, serum and plasma (EDTA, citrate) and urine. Sensitivity: 0.1ng/ml.

Product Info Summary

SKU: EK1970
Size: 96 wells/kit, with removable strips.
Reactive Species: Rat
Application: ELISA
Sample Types: cell culture supernatants, serum and plasma (EDTA, citrate) and urine.

Product Name

Rat Serpin D1 ELISA Kit PicoKine™

See all Serpin D1/Heparin Cofactor II products

SKU/Catalog Number

EK1970

Size

96 wells/kit, with removable strips.

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

Description

Rat Serpin D1 ELISA Kit PicoKine™ (96 Tests). Quantitate Rat Serpind1 in cell culture supernatants, serum and plasma (EDTA, citrate) and urine. Sensitivity: 0.1ng/ml.

Storage & Handling

Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Shipped with wet ice.)

Cite This Product

Rat Serpin D1 ELISA Kit PicoKine™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1970)

Clonality of Antibodies

See Datasheet for details

Immunogen

Expression system for standard: NS0; Immunogen sequence: E24-S479

Sensitivity

<0.1 ng/ml

Assay Range

0.78 ng/ml - 50 ng/ml

Cross Reactivity

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

Reactive Species

EK1970 is reactive to Serpind1 in Rat samples

Validated Sample Types

cell culture supernatants, serum and plasma (EDTA, citrate) and urine.

Application Guarantee

EK1970 is guaranteed for ELISA in Rat by Boster Guarantee

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

Kit Components

Catalog Number Description Quantity
EK1970-CAP Anti-Rat Serpind1 Pre-coated 96-well strip microplate 1
EK1970-ST Rat Serpind1 Standard 2 vials, 50 ng/tube
EK1970-DA Rat Serpind1 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.
  • 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.

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Validation Standard Curve O.D. At 450nm

Concentration (pg/ml)00.781.563.126.2512.52550
O.D.0.0330.3280.4480.8571.0771.4821.9542.310

Data Example Images

Recommended Sample Dilution Ratios

According to our internal validation assays using this ELISA kit, to detect Serpin D1/Heparin Cofactor II, Dilution ratio of 1:200, concentration in serum is around 1.2ug/ml.

Intra Assay Consistency & Inter Assay Consistency

We measured random samples of Rat Serpin D1 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)14395322212301508545723126
Standard deviation83.46340.611379.9572.38398.361086.92
CV (%)5.8%6.4%6.5%4.8%7.3%4.7%

Reproducibility

We ensure reproducibility by testing three samples with differing concentrations of Serpin D1/Heparin Cofactor II in ELISA kits from four different production batches/lots.

LotsLot 1 (pg/ml)Lot 2 (pg/ml)Lot 3 (pg/ml)Lot 4 (pg/ml)Mean (pg/ml)Standard DeviationCV (%)
Sample 11439150815691379147371.464.8%
Sample 253224966480447574962221.704.4%
Sample 321230231262084619667212171243.445.8%
*number of samples for each test n=16.

Gene/Protein Information For Serpind1 (Source: Uniprot.Org, NCBI)

Uniprot ID

Q64268

Gene ID

79224

Gene Name

Serpind1

Full Name

Heparin cofactor 2

Weight

54.552kDa

Superfamily

serpin family

Alternative Names

HC2; HC2LS2; HCF2; HCF2clade D (heparin cofactor), member 1; HC-II; Heparin Cofactor II; HLS2HCII; leuserpin 2; LS2; Protease inhibitor leuserpin-2; Serpin D1; serpin peptidase inhibitor, clade D (heparin cofactor), member 1 Serpind1|rls2var1|serpin family D member 1|heparin cofactor 2|HC-II|heparin cofactor II|leuserpin 2|protease inhibitor leuserpin-2|serine (or cysteine) peptidase inhibitor, clade D, member 1|serine (or cysteine) proteinase inhibitor, clade D, member 1|serpin D1|serpin peptidase inhibitor, clade D (heparin cofactor), member 1

*if product is indicated to react with multiple species, protein info is based on the gene entry specified above in "species".

For more info on Serpind1, check out the Serpind1 Infographic

Serpind1 infographic

We have 30,000+ of these available, one for each gene! check them out.

In this infographic you will see the following information for Serpind1: database IDs, super-family, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact us [email protected]

No publications found for EK1970

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8 Customer Q&As for Rat Serpin D1 ELISA Kit PicoKine™

Question

Q: if the enzyme conjugated Serpin D1 antibodies are mixed with the substrate, will that change the substrate into the enzymatic reaction product? Or the enzyme function is only activated when the antibody is attached with the Serpin D1 antigen?

Verified Customer

Verified customer

Asked: 2020-07-15

Answer

A: The enzyme is always active. Avoid contaminating the substrate with enzyme prior to the incubation otherwise it compromises the assay with false positive signal.

Boster Scientific Support

Answered: 2020-07-15

Question

Q: what is the protocol regarding preparation of cell lysates prepared for use in Picokine® ELISA kits?

J. Scott

Verified customer

Asked: 2019-11-10

Answer

A: in those Picokine® ELISAs where cell or tissue lysate is a validated sample type, sample preparation instructions for lysate can be found in the product insert. Components in lysate and lysis buffer may affect immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.

Boster Scientific Support

Answered: 2019-11-10

Question

Q: Can Serpin D1 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?

Verified Customer

Verified customer

Asked: 2019-02-03

Answer

A: Unfortunately, Boster Bio has not routinely validated tissue homogenates as a sample type for ELISA kits. This does not mean that ELISA kits are not valid for other sample types than we have tested: it means further investigation is required. One will need to perform a spike and recovery study to determine if an unvalidated sample type will work with a particular kit. To perform a spike and recovery experiment, one should divide a sample into two aliquots. In one of the aliquots, the user should spike in a known amount of the kit standard. a dilution series is performed comparing the spiked versus the unspiked sample. Generally, samples with expected recovery and linearity between 80-120% are considered acceptable. This method can be used to validate any sample type that has not been assessd by Boster Bio. for a more detailed spike and recovery protocol, please contact technical support.
Note: acceptable ranges should be determined individually by each laboratory. Additionally, technical support can help determine if a buffer component is not compatible with a given ELISA kit. please check the Citations tab on the product webpage for peer-reviewed papers utilizing a wide range of sample types. We also have an innovator's reward program where if the user validates our ELISA kits in applications or samples previously not validated by Boster Bio or other users, and share such information with us by submit a review, we will reward the user's efforts with a free antibody or ELISA kit from our catalog. Biocompare.com will also give $20 Amazon giftcard as an additional reward, if the review is submitted there as well.

Boster Scientific Support

Answered: 2019-02-03

Question

Q: we need your recommendation regarding the dilution ratio of serum samples for detection of Serpin D1 in Rat urine? I am trying to measure a a number of analytes and it requires 100ul of diluted samples for each well. We have limited sample quantitys so we like to dilute as much as possible.

T. Phillips

Verified customer

Asked: 2018-09-01

Answer

A: unable to understand the physiological or pathological context of your samples we cannot recommend a dilution ratio without performing a pilot test with your samples. Here is how you can perform a pilot study on your own: perform a serial dilution of your samples on the Serpin D1 ELISA kit to make sure you have a linear ascending curve followed by a plateau, which signifies the samples saturating the detection limit of the kit. Then you can pick the dilution ratios from samples in the linear part of the curve as your experimental dilution ratio.
If you are interested in using our ELISA service, you can also send us your sample and we will take care of everything for you. You can check our service details here: bosterbio.com/services/assay-services/ELISA-testing-service
Since you mentioned you have limited samples, our cost effective multiplex ELISA service would fit perfectly for your needs, where we can generate dozens of data points using as little as 25ul sample volume. Information on this service is also in the above link.

Boster Scientific Support

Answered: 2018-09-01

Question

Q: how many samples can be assayed in a Picokine® ELISA Kit?

Verified Customer

Verified customer

Asked: 2018-06-16

Answer

A: The Picokine® ELISA Kits will generally run a 7-point standard curve, non-specific binding wells, and 39 samples in duplicate. this may vary slightly by kit so please refer to each datasheet for details.

Boster Scientific Support

Answered: 2018-06-16

Question

Q: What is the optimal O.D. value for Serpin D1 ELISA kit? I used your Serpin D1 ELISA on serum samples. For my positive control, I received an O.D. value of 0.826, while my negative control received a value of 0.136. I obtained both of these controls from the ELISA kit, where your kit's typical data shows O.D. values much higher than my positive control and your background is lower. My samples O.D. values are around 0.225 and the highest is only 0.357. is it safe to say these samples contain Serpin D1 even though the O.D. values are not very high?

Verified Customer

Verified customer

Asked: 2018-02-25

Answer

A: The absolute O.D. values may change according to incubation time. The more you incubate the higher the O.D. values are going to be. what you should focus on is whether your sample O.D. values are statistically significantly higher than your blank values. regarding your assay, you could extend your development time in the substrate incubation step to obtain higher O.D. values, as long as your negative controls' O.D. values are not increasing faster in relation to your positive controls. normally, a sample with O.D. value 2 standard deviations higher than your negative controls can be considered positive. We calculate the sensitivity of this ELISA kit by changeing cutoff O.D. value, calculated as the average of 20 negative controls plus 2 standard deviations of the 20 negative controls, into a concentration. in other words, when we claim this Serpin D1 ELISA kit to have sensitivity of 0.1ng/ml, that means the minimum amount of Serpin D1 that can be declared/interpreted as positive by the above standard is 0.1ng/ml.

Boster Scientific Support

Answered: 2018-02-25

Question

Q: is it okay to use heparin plasma as samples in Rat Serpin D1 Picokine® ELISA Kit (Catalog # EK1970)?

Verified Customer

Verified customer

Asked: 2018-02-12

Answer

A: Chelating agents such as EDTA, Heparin and Citrate can attach metal ions from the functional domain of Serpin D1 causing disruption of its protein structure. Serpin D1 may be denatured as a result and may compromise the assay's measurements. The chilating sites could also be too close to the epitopes a must for detection and block the antigen antibody reaction. We have tested the Serpin D1 ELISA, treating samples with a number of anticoagulants and decided that EDTA or citrate can be used for treatment of blood/plasma samples. Do not use other anticoagulents when collecting samples.

Boster Scientific Support

Answered: 2018-02-12

Question

Q: is there any online tool I can use to streamline the data analysis for my ELISA results?

Z. Allen

Verified customer

Asked: 2017-11-17

Answer

A: We have a web based ELISA curve fitting (4pl) and data analysis tool. Please give it a try: bosterbio.com/biology-research-tools/ELISA-data-analysis-online. You can also consult our article on ELISA data analysis: bosterbio.com/ELISA-data-analysis-instructions

Boster Scientific Support

Answered: 2017-11-17

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