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Merck
CN

L3916

L-Lactic Dehydrogenase from bovine heart

1000 units/mL

Synonym(s):

Lactate, (S)-Lactate: NAD+ oxidoreductase, L-LDH, LAD, LD

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About This Item

CAS Number:
9001-60-9
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-617-8
MDL number:
MFCD00131466
EC Number:
1.1.1.27 (BRENDA, IUBMB)
Specific activity:
1000 units/mL

Key Documents

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Product Name

L-Lactic Dehydrogenase from bovine heart, 1000 units/mL

form

solution

specific activity

1000 units/mL

storage temp.

2-8°C

Quality Level

200

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Application

L-Lactic Dehydrogenase from bovine heart has been used:
  • as a reference standard to measure the LDH (lactic dehydrogenase)
  • to quench protein-bound NADH in cells
  • to measure the lactate released by the cells in suspension

For use in enzymatic determination of lactate or pyruvate.

Biochem/physiol Actions

Also catalyzes the oxidation of other L-2-hydroxymonocarboxylic acids.
LDH (lactic dehydrogenase) helps in the reversible conversion of lactate to pyruvate.

General description

LDH (lactic dehydrogenase) is a glycolytic enzyme. It is found in skeletal muscle, heart, liver, kidneys, brain, lungs and red blood cells. It comprises of five isoenzyme forms. LDH possess a tetrameric structure.

Other Notes

One unit will reduce 1.0 μmole of pyruvate to L-lactate per min at pH 7.5 at 37 °C.

Physical form

Suspension in 2.2 M ammonium sulfate

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

低风险生物材料
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Certificates of Analysis (COA)

Lot/Batch Number
0000481583
0000481583
0000450140
0000450140
0000412954

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Mitochondrial angiotensin receptors in dopaminergic neurons. Role in cell protection and aging-related vulnerability to neurodegeneration
Valenzuela R, et al.
Cell Death & Disease, 7(10), e2427-e2427 (2016)
Cardiac, Vascular, and Skeletal Muscle Systems
Haschek and Rousseaux's Handbook of Toxicologic Pathology (2013)
Hsiao Ju Chiang et al.
Nature methods, 20(2), 248-258 (2023-01-20)
The expansion of fluorescence bioimaging toward more complex systems and geometries requires analytical tools capable of spanning widely varying timescales and length scales, cleanly separating multiple fluorescent labels and distinguishing these labels from background autofluorescence. Here we meet these challenging
NADH fluorescence lifetime is an endogenous reporter of alpha-synuclein aggregation in live cells
Plotegher N, et al.
Faseb Journal, 29(6), 2484-2494 (2015)
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Advances in Clinical Chemistry, 69, 47-89 (2015)
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Articles

How to Work with Enzymes Supplied as Ammonium Sulfate Suspensions

Instructions for working with enzymes supplied as ammonium sulfate suspensions

如何使用溶于硫酸铵悬液的酶

以硫酸铵悬浮液形式提供的酶的使用指南

Protocols

Enzymatic Assay of L-Lactic Dehydrogenase (EC 1.1.1.27)

This procedure applies to all products from heart muscle that have a specification for L-Lactic Dehydrogenase activity.

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