00446
Universal Microbial Limit Test Membrane
white colored, sterile, diameter 70 mm, suitable for microbiology
Synonym(s):
Indicator membrane, ID Membranes
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25 DISCS
$72.80
About This Item
UNSPSC Code:
41171621
NACRES:
NA.85
Recommended Products
membrane size
70 mm
Quality Level
sterility
sterile
shelf life
limited shelf life, expiry date on the label
storage condition
protect from light
technique(s)
microbe id | specific enzyme detection: suitable
application(s)
clinical testing
cosmetics
environmental
food and beverages
pharmaceutical
microbiology
storage temp.
2-8°C
suitability
Bacillus spp.
Escherichia coli
Pseudomonas spp.
Salmonella spp.
Staphylococcus spp.
coliforms
General description
Universal Microbial Limit Test Membrane are substrate-carrying ID membranes used for rapid identification and differentiation of colonies through characteristic color reactions by placing on the agar surface post-incubation. The membranes contain chromogenic substrates such as ONPG, X-Gal, or X-Glu, and other substrates and indicators, which serve as the basis for microbe differentiation by color. The target organisms possess enzyme systems that metabolize the substrates in the membrane, leading to a change of color. The colors can be visually detected on the membrane. This indicates microbial enzymatic activity, which serves to identify the genus and species. This economical, confirmatory, and rapid identification method is suitable for microorganisms from water, food, environmental, and clinical samples.
Application
Universal Microbial Limit Test Membrane is recommended for the detection of pathogenic microorganisms such as E. coli, S. aureus, P. aeruginosa, Bacillus, and Salmonella species from pharmaceutical preparations, raw materials, cosmetic samples, etc. They find their application in various sectors such as the food and dairy industry, water industry, pharmaceutical laboratory testing, cosmetic industry, environmental and sanitary testing, clinical diagnostic, etc.
Analysis Note
Pseudomonas aeruginosa - Colorless Escherichia coli - Pink-purple Staphylococcus aureus - Green to bluish green Salmonella Typhimurium - Colorless Salmonella Abony - Colorless
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Ting Zhao et al.
Chemosphere, 263, 128344-128344 (2020-12-11)
The strategical integration of membrane water filtration with semiconductor photocatalysis presents a frontier in deep purification with a self-cleaning capability. However, the membrane fouling caused by the cake layer of the reclaimed TiO2 nanoparticles is a key obstacle. Herein, mesoporous
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Pharmaceutics, 12(4) (2020-04-26)
The objective of the present study was to explore the potential of nanostructured lipid carriers (NLCs) for improving the oral delivery of β-sitosterol, a poorly water-soluble bioactive component with hypocholesterolemic activity. Two β-sitosterol formulations with different solid lipid compositions were
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Bioorganic chemistry, 107, 104395-104395 (2021-01-02)
We report the design, synthesis, and biological evaluation of 13 new and 1 known anthraquinone derivatives which exerted cytotoxicity against PC3, A549 and NTUB1 cell lines. The results indicate that, among these 14, compounds-1 and 14 showed the highest growth
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Environmental science & technology, 54(10), 6365-6374 (2020-04-24)
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Photodynamic therapy is a clinically approved procedure for the treatment of neoplastic and other non-malignant diseases. Meso-tetrakis(N-methyl-4-pyridyl)porphyrin (TMPyP) is a photosensitizing agent which has been used in many applications. However, the use of TMPyP topically is limited due to its
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