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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About This Item
NACRES:
NA.85
UNSPSC Code:
41171621
Sterility:
sterile
membrane size
70 mm
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
Quality Level
Related Categories
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
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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D P Franco et al.
Human & experimental toxicology, 39(10), 1405-1416 (2020-05-21)
This study aimed to evaluate the modes of action of harringtonine (HT) and homoharringtonine (HHT) alkaloids in cell with wild (HepG2/C3A) and mutant p53 (HuH-7.5). We performed assays for cytotoxicity, genotoxicity, induction of apoptosis, cell cycle phase, and membrane integrity.
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
Kai-Wei Lin et al.
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
Yasamin Soleimanian et al.
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
Ahmet Halil Avci et al.
Molecules (Basel, Switzerland), 26(2) (2021-01-13)
In this study, novel asymmetric integral cation exchange membranes were prepared by the wet phase inversion of sulfonated polysulfone (SPSf) solutions. SPSf with different degrees of sulfonation (DS) was synthesized by variation in the amount of chlorosulfonic acid utilized as
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