
Introduction
029110 Sterile Liquid Paraffin
Usage:For covering a liquid medium for anaerobic culture.
Specification:10ml.
10ml
029110 Sterile Liquid Paraffin
Usage:For covering a liquid medium for anaerobic culture.
Specification:10ml.
K-DATE
SKU: 700004275
50 assays (manual) / 500 assays (microplate) / 450 assays (auto-analyser)
Content: | 50 assays (manual) / 500 assays (microplate) / 450 assays (auto-analyser) |
Shipping Temperature: | Ambient |
Storage Temperature: | Short term stability: 2-8oC, Long term stability: See individual component labels |
Stability: | > 2 years under recommended storage conditions |
Analyte: | D-Lactic Acid |
Assay Format: | Spectrophotometer, Microplate, Auto-analyser |
Detection Method: | Absorbance |
Wavelength (nm): | 340 |
Signal Response: | Increase |
Linear Range: | 0.5 to 30 μg of D-lactic acid per assay |
Limit of Detection: | 0.21 mg/L |
Reaction Time (min): | ~ 5 min |
Application examples: | Wine, soft drinks, milk, dairy products (e.g. cream, milk / whey powder, cheese, condensed milk and yogurt), foods containing milk (e.g. dietetic foods, bakery products, baby food, chocolate, sweets and ice-cream), vinegar, fruit and vegetables, processed fruit and vegetables, meat products, food additives, paper (and cardboard), cosmetics, pharmaceuticals and other materials (e.g. biological cultures, samples, etc.). |
Method recognition: | Methods based on this principle have been accepted by DIN, GOST, IDF, EEC, EN, ISO, OIV, IFU, AIJN and MEBAK |
The D-Lactic Acid (D-Lactate) (Rapid) test kit is suitable for the rapid, specific measurement and analysis of D-lactic acid in wine, beer, juice, milk, cheese, vinegar, meat and other food products.
Note for Content: The number of manual tests per kit can be doubled if all volumes are halved. This can be readily accommodated using the MegaQuantTM Wave Spectrophotometer (D-MQWAVE).
See our full list of lactic acid test kits and other organic acid assay kits.
Advantages
The D-Lactic Acid (D-Lactate) (Rapid) test kit is suitable for the rapid, specific measurement and analysis of D-lactic acid in wine, beer, juice, milk, cheese, vinegar, meat and other food products.
The FastRunner DNA Ladder is prepared to ensure quality and batch-to-batch consistency. This Ladder contains eight discrete fragments ranging from 50 bp to 2000 bp with a higher intensity reference band at 500 bp. This Ladder is ideal for quick sizing of PCR products and restriction digests.
Contents
1mL of premixed DNA ladder (0.5µg/10µL) in loading buffer (10mM EDTA, 10% glycerol, 0.015% bromophenol blue, and 0.17% SDS).
Figure 1 / 1
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FastRunner DNA Ladder (Cat# 12800) – 100 loads
Ladder Properties:
• Eight discrete bands, ranging from 50 bp to 2000 bp
• Higher intensity band at 500 bp for easy reference
Fragment | Size (bp) | Mass (ng) |
1 | 2000 | 104 |
2 | 1500 | 88 |
3 | 1000 | 68 |
4 | 750 | 59 |
5 | 500 | 93 |
6 | 300 | 28 |
7 | 150 | 35 |
8 | 50 | 25 |
Recommended Use:
Mix thoroughly. For best results, load 10µL of DNA ladder per well. For precise mass determination with a densitometer, stain gel after electrophoresis using 0.5µg/mL ethidium bromide for 30-40 minutes. The table above shows the size and mass for each band based on 10µL ladder per well.
Storage:
Stable at room temperature. For longer term storage, -20°C is recommended.
This ladder was standardized using 10µL of DNA per lane on a 0.8 cm thick, 13 x 15 cm, 1.0% agarose gel run in TAE buffer.
The Aflatoxin M1 plate kit is a competitive enzyme-labeled immunoassay. The Aflatoxin M1 sample extract and calibrators are pipetted into the test wells followed by the Aflatoxin M1 antibody into the test wells to initiate the reaction. During the 30 minutes incubation period, Aflatoxin M1 from the sample and Aflatoxin M1 antigen compete for binding to the Aflatoxin M1 antibody. The Aflatoxin M1 antibody is captured on the walls of the test well. Following this 30-minute incubation, the contents of the wells are removed and the wells are washed to remove any unbound Aflatoxin M1 and free Aflatoxin M1 antibody. After wash, 1X HRP-conjugated Antibody#2 is added for 30 minutes incubation. The wells are washed afterwards, and a clear substrate is then added to the wells and any bound enzyme conjugate causes the conversion to a blue color. Following a 15-minute incubation, the reaction is stopped and the amount of color in each well is read. The color of the unknown samples is compared to the color of the calibrators and the Aflatoxin M1 concentration of the samples is derived.
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