Usages: For determination of total bacterial count.
Principle: Tryptone provide carbon and nitrogen; yeast extract powder provides B vitamins; glucose to provide energy, agar is the solidifying agent.
Formulation（per liter）: Tryptone 5.0g Yeast extract powder 2.5g Glucose 1.0g Agar 15.0g Final pH 7.0 ± 0.2
How to use： 1.Suspend 23.5g in 1 L of distilled water , stirring heated to boiling until completely dissolved, dispensing flask, 121 ℃ autoclave for 15min. 2.Diluted and treated samples.
Quality control：
Item
The name and number of strain
Growth
Colony
1
E.Coli ATCC8739
Good
white
2
Staphylococcus aureus ATCC6538
Good
yellow
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
Specifications: 250g/bottle
Other Products
t-Boc-N-Amido-PEG9-propargyl
Product Info
Document
Product Info
t-Boc-N-Amido-PEG9-propargyl is an alkyne linker that can be used in Click Chemistry reactions with azides to yield a stable triazole linkage; copper is required for catalyzation. Under mild acidic conditions, the Boc group can be removed to form a free amine. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
Document
t-Boc-N-Amido-PEG9-propargyl is an alkyne linker that can be used in Click Chemistry reactions with azides to yield a stable triazole linkage; copper is required for catalyzation. Under mild acidic conditions, the Boc group can be removed to form a free amine. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
(Fluorescence) 0.009-0.18 μg of D-glucose per assay (0.5-10 μM in-assay) (Absorbance) 0.9-9.0 μg of D-glucose per assay (5-50 μM in-assay)
Limit of Detection:
(Fluorescence) 0.09 ug/mL (Absorbance) 0.25 ug/mL
Reproducibility (%):
(Fluorescence) ~ 6% (Absorbance) ~ 7%
Reaction Time (min):
(Fluorescence) 30 min (Absorbance) 30 min
Application examples:
Food and beverage samples such as wine, beer, fruit juices, soft drinks, milk, jam, dietetic foods, bakery products, candies, fruit and vegetables. Other samples such as tobacco, cosmetics, pharmaceuticals (e.g. infusions), feed, paper (and cardboard) and other materials (e.g. biological cultures, samples, etc.).
This product has been discontinued.
The D-Glucose Assay Kit (Megaplex Red) provides a simple robust method for the measurement of D-glucose. This kit utilises a highly sensitive Megaplex Red probe which when coupled to horseradish peroxidase (HRP) and glucose oxidase (GOX) enzymatic reactions, allows for the measurement of D-glucose in a sample. Upon oxidation of the probe by HRP, a coloured product (resorufin) is formed that can be measured in fluorescence mode using excitation between 530-560 nm and emission at ~ 590 nm* or colourimetrically at 570 nm.
*The excitation and emission maxima of Megaplex Red are 570 nm and 585 nm respectively.
Fluorometric/UV method for the determination of D-glucose content in a variety of samples.
Advantages
Simple format
Very competitive price (cost per test)
Ability to run in fluorescence or absorbance mode
User friendly – Detailed protocol provided for the creation of calibration curve and the calculation of concentration in fluorescence mode. Single point standard for quicker and simpler analysis in absorbance mode.
Mega-Calc™ software tool is available from our website for hassle-free raw data processing
Suitable for manual, microplate and auto-analyser formats
All reagents stable for > 2 years
Document
The D-Glucose Assay Kit (Megaplex Red) provides a simple robust method for the measurement of D-glucose. This kit utilises a highly sensitive Megaplex Red probe which when coupled to horseradish peroxidase (HRP) and glucose oxidase (GOX) enzymatic reactions, allows for the measurement of D-glucose in a sample. Upon oxidation of the probe by HRP, a coloured product (resorufin) is formed that can be measured in fluorescence mode using excitation between 530-560 nm and emission at ~ 590 nm* or colourimetrically at 570 nm.
The 16S V2-V3 Library Preparation Kit for Illumina consists of the reagents and components required for library preparation of the 16S V2-V3 amplicon libraries to be used for next-generation sequencing on Illumina platforms. All molecular reagents including primers, enzyme mixes, indexes, and buffers are provided. Instructions for PCR clean up with the AMPure XP Magnetic Beads (supplied by customer) are also included for rapid purification of nucleic acid products generated at two steps of the workflow. The library prep workflow could be used for purified DNA inputs from different sources including stool, soil, water, saliva, plant, urine, skin swab, vaginal swab, cheek swab, nasal swab, plasma/serum, tongue swab, gum swab, and others.
The 16S V2-V3 Library Preparation Kit for Illumina has a streamlined procedure that reduces the handling time such that the library prep procedure can be completed in approximately 4 hours (see diagram below). Input DNA is first subjected to targeted PCR to amplify the V2-V3 region of the DNA encoding 16S rRNA. The post-PCR reaction is then cleaned up using AMPure XP beads. Dual index primers are then added using a limited-cycle PCR. The indexed amplicons flanked by 5′ and 3′ barcoded adaptors are then cleaned using AMPure XP beads. The libraries are then ready for quantification, pooling and sequencing.
Storage Conditions and Product Stability Norgen’s 16S V2-V3 Library Prep Kit for Illumina is shipped as one kit box (for the 24 prep kit) or two sub-component kits (for the 96 prep kit). All kits should be stored at -20°C upon arrival.
All kit components should remain stable for at least 1 year when stored at the specified storage conditions.
