Amino-Tri-(Propargyl-PEG2-ethoxymethyl)-methane TFA Salt is a crosslinker consisting of an amino group with three propargyl groups. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The propargyl groups can form triazole linkage with azide-bearing compounds or biomolecules via copper catalyzed Click Chemistry. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
Amino-Tri-(Propargyl-PEG2-ethoxymethyl)-methane TFA Salt is a crosslinker consisting of an amino group with three propargyl groups. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The propargyl groups can form triazole linkage with azide-bearing compounds or biomolecules via copper catalyzed Click Chemistry. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
K-LOLAC
SKU: 700004314
65 assays per kit
| Content: | 65 assays per kit |
| 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: | Lactose |
| Assay Format: | Spectrophotometer |
| Detection Method: | Absorbance |
| Wavelength (nm): | 340 |
| Signal Response: | Increase |
| Linear Range: | 1 to 50 µg of lactose (or 0.50 to 25 µg of D-glucose) |
| Limit of Detection: | 1.62 mg/L |
| Reaction Time (min): | ~ 10 min |
| Method recognition: | AOAC Method 2020.08 |
The K-LOLAC test kit offers a rapid, novel, sequential measurement of free-glucose and lactose in conventional, low-lactose and lactose-free dairy products. This sequential assay format reduces the manual input required by an analyst when compared to traditional lactose assay formats and therefore improves both accuracy and efficiency. When used in combination with the Megazyme Creep Calculator provided, the β-galactosidase employed in this kit allows for the selective measurement of lactose in the presence of galacto-oligosaccharides (GOS) which are commonly found in lactose-free dairy products. This constitutes a significant improvement over existing commercially available lactose assay kits which typically overestimate lactose content in lactose-free samples due to the unselective hydrolysis of GOS by β-galactosidase. Lastly, the sensitivity of the K-LOLAC assay kit has been doubled through the use of a cascade biochemical pathway, helping to significantly reduce the LOD and LOQ for the assay.
We offer more monosaccharide and oligosaccharide assay kit products.
View Lactose Assay Kit (K-LOLAC) Flyer
View Product Poster Presentation – Single Lab Validation for K-LOLAC.
Validation of Methods
Advantages
Norgen’s Saliva/Swab RNA Purification Kits provide a rapid method for the purification of total RNA from non-preserved saliva and nasal/throat swabs, and from preserved saliva collected on Norgen’s Saliva RNA Collection and Preservation Devices (Cat. RU53800) or preserved swabs collected in Norgen’s Total Nucleic Acid Preservative Tubes (Cat. 69200). Purification is based on using Norgen’s proprietary resin separation matrix. RNA is preferentially purified from other cellular components such as proteins, without the use of phenol or chloroform. The kit allows the purification of total RNA, including viral and bacterial RNA, irrespective of size or GC content. The purified RNA is eluted in an Elution Solution that is compatible with all downstream applications including PCR, qPCR, methylation-sensitive PCR and Southern Blot analysis, microarrays, and NGS.
This kit offers a range of elution volumes, with a minimum elution volume of 75 μL and a maximum elution volume of 100 μL. Complete 10 purifications in as little as 15 minutes.
High throughput 96-well plate format for rapid purifications with very consistent well-to-well RNA isolation. Purified RNA is suitable for a variety of downstream applications , including Small RNA Sequencing. Find out more information about Norgen’s NGS Services.
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| Kit Specifications | |
| Sample Volume Range | 250 µL |
| Size of RNA purified | All sizes, including small RNA (<200 nt) |
| Minimum Elution Volume | 75 µL |
| Maximum Elution Volume | 100 µL |
| Time to complete 96 purifications | 30 minutes |
| Average Yield | ≥ 1 µg **varies from sample to sample |
Storage Conditions and Product Stability
All solutions should be kept tightly sealed and stored at room temperature. This kit is stable for 2 years after the date of shipment.
| Kit Component | Cat. 69100 (50 preps) | Cat. 69300 (192 preps) |
|---|---|---|
| Lysis Buffer A | 30 mL | 100 mL |
| Solution WN | 18 mL | 55 mL |
| Wash Solution A | 18 mL | 2 x 38 mL |
| Elution Solution A | 6 mL | 20 mL |
| Mini Spin Columns | 50 | – |
| Collection Tubes | 50 | – |
| Elution Tubes (1.7 mL) | 50 | – |
| 96-Well Isolation Plate | – | 2 |
| 96-Well Collection Plate | – | 2 |
| 96-Well Elution Plate | – | 2 |
| Adhesive Tape | – | 4 |
| Product Insert | 1 | 1 |
Permagen’s most universal ring magnet plate. From Low elution PCR applications up to 2 mL deep well, the X96 has you covered. No need to purchase two separate plates anymore. Smaller inner ring magnet allows for volumes as low as 5 µL (from PCR plates), larger outer magnet handles up to 2 mL deep well assays
ANSI/ SBS Footprint (127.75mm x 85.50mm) to fit into any automated liquid handling robot on bottom, SBS/ SLAS fit on top to accept any microplate
Integrated Cushion base for maximum recovery. Helps aid in set-up, robot positioning inconsistencies, and labware consumable differences
Features include solid aluminum alloy construction and hard coat anodized finish for years of trouble-free use, and compatible with any magnetic beads
A011623
A011623
Maximum – 2 mL (deep well plate
Minimum – 5 µL (pcr plate, or tubes with kit)
Permagen’s most universal ring magnet plate. From Low elution PCR applications up to 2 mL deep well, the X96 has you covered. No need to purchase two separate plates anymore. Smaller inner ring magnet allows for volumes as low as 5 µL (from PCR plates), larger outer magnet handles up to 2 mL deep well assays
