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Human D-LDH(D-Lactate Dehydrogenase) ELISA Kit

Citations(5)Uniprot : Q86WU2

Cat.No.:E-EL-H0866
Reactivity: Human

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Product Details

Properties

Assay type	Sandwich-ELISA
Format	96T
Assay time	3.5h
Detection range	1.56-100 ng/mL
Sensitivity	0.94 ng/mL
Sample type &Sample volume	Serum, plasma and other biological fluids; 100μL
Specificity	This kit recognizes Human D-LDH in samples. No significant cross-reactivity or interference between Human D-LDH and analogues was observed.
Reproducibility	Both intra-CV and inter-CV are < 10%.
Application	This ELISA kit applies to the in vitro quantitative determination of Human D-LDH concentrations in Serum, plasma and other biological fluids.

Test Principle

This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human D-LDH. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human D-LDH and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human D-LDH, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human D-LDH. You can calculate the concentration of Human D-LDH in the samples by comparing the OD of the samples to the standard curve.

Kit components & Storage

An unopened kit can be stored at 2-8℃ for 1 month. If the kit is not supposed to be used within 1 month, store the components separately according to the following conditions once the kit is received.

Item	Specifications	Storage
Micro ELISA Plate(Dismountable)	96T: 8 wells ×12 strips 48T: 8 wells ×6 strips	-20℃, 6 months
Reference Standard	96T: 2 vials 48T: 1 vial
Concentrated Biotinylated Detection Ab (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 60 μL
Concentrated HRP Conjugate (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 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
HRP Conjugate Diluent	1 vial, 14 mL
Concentrated Wash Buffer (25×)	1 vial, 30 mL
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

Technical Data

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human D-LDH were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human D-LDH were tested on 3 different plates, 20 replicates in each plate.

	Intra-assay Precision			Inter-assay Precision
Sample	1	2	3	1	2	3
n	20	20	20	20	20	20
Mean (ng/mL)	5.00	15.80	36.60	4.50	14.30	39.90
Standard deviation	0.30	0.90	1.70	0.20	0.70	1.40
CV (%)	6.00	5.70	4.64	4.44	4.90	3.51

Recovery

The recovery of Human D-LDH spiked at three different levels in samples throughout the range of the assay was evaluated in various matrices.

Sample Type	Range (%)	Average Recovery (%)
Serum(n=8)	83-97	90
EDTA plasma (n=8)	84-100	91
Cell culture media (n=8)	87-98	93

Target Information

Database Links	SwissProt: Q86WU2
Synonyms	DLD, LDHD, Probable D-lactate dehydrogenase,mitochondrial,

Assay Procedures

	1. Add 100μL standard or sample to the wells. Incubate for 90 min at 37°C
	2. Discard the liquid, immediately add 100μL Biotinylated Detection Ab working solution to each well. Incubate for 60 min at 37°C
	3. Aspirate and wash the plate for 3 times
	4. Add 100μL HRP conjugate working solution. Incubate for 30 min at 37°C. Aspirate and wash the plate for 5 times
	5. Add 90μL Substrate Reagent. Incubate for 15 min at 37°C
	6. Add 50μL Stop Solution
	7. Read the plate at 450nm immediately. Calculation of the results

Citations

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2022) IF: 5.924
Pyruvate Upregulates Hepatic FGF21 Expression by Activating PDE and Inhibiting cAMP–Epac–CREB Signaling Pathway

DOI: 10.3390/ijms23105490

Sample: HepG2 cell
American Journal of Translational Research (2019) IF: 4.06
HMGB1-induced endothelial cell pyroptosis is involved in systemic inflammatory response syndrome following radiofrequency ablation of hepatic hemangiomas

PMID: 31934300
Sample: serum,HUVECs
JOURNAL OF BIOCHEMICAL AND MOLECULAR TOXICOLOGY (2022) IF: 3.568
Bradykinin/bradykinin 1 receptor promotes brain microvascular endothelial cell permeability and proinflammatory cytokine release by downregulating Wnt3a

DOI: 10.1002/jbt.23213

PMID: 36111657
Sample: serum,hBMECs
CLINICAL IMMUNOLOGY (2022) IF: 3.969
LncRNA SOX2OT facilitates LPS-induced inflammatory injury by regulating intercellular adhesion molecule 1 (ICAM1) via sponging miR-215-5p

DOI: 10.1016/j.clim.2022.109006

PMID: 35413439
Sample: AC16 cell
SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION (2019) IF: 1.38
Endothelial pyroptosis underlies systemic inflammatory response following radiofrequency ablation of hepatic hemangiomas

DOI: 10.1080/00365513.2019.1689428

PMID: 31710248
Sample: Serum,Cell culture supernatant

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