17774
亚碲酸钾 溶液
1% in H2O, for Staphylococcus spp., for Corynebacterium spp., tube of 10 × 10 mL
别名:
Dipotassium tellurite, Potassium tellurite Solution, Tellurous acid, dipotassium salt
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关于此项目
化学文摘社编号:
NACRES:
NA.85
PubChem Substance ID:
UNSPSC Code:
41171614
MDL number:
agency
according to ISO 6888-1:2020
Quality Level
sterility
sterile (Filtered and Aseptic Handled)
form
liquid
shelf life
limited shelf life, expiry date on the label
packaging
tube of 10 × 10 mL
concentration
1% in H2O
application(s)
environmental
food and beverages
microbiology
storage temp.
2-8°C
suitability
Corynebacterium spp., Staphylococcus spp.
SMILES string
[K+].[K+].[O-][Te]([O-])=O
InChI
1S/2K.H2O3Te/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key
BFPJYWDBBLZXOM-UHFFFAOYSA-L
General description
Potassium Tellurite Solution is a sterile, filter-sterilized 1 % solution specifically designed for the selective isolation of Staphylococcus and Corynebacteria in microbiological applications, complying with ISO 6888-1:2020 standards. Its selectivity arises from the inhibitory action of potassium tellurite against many gram-negative and some Gram-positive bacteria, allowing only the target organisms to thrive. Staphylococci and Corynebacteria can metabolize potassium tellurite, reducing it to telluride and forming distinctive black colonies, which aids in differentiation. This optimized solution provides an environment conducive to the growth of these bacteria while suppressing others.
Application
过滤器灭菌的亚碲酸钾溶液用于葡萄球菌 和 棒状菌的选择性分离。
Other Notes
无菌 1% 亚碲酸钾水溶液
每瓶 10mL
存储类别
10 - Combustible liquids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves
商品
Chromogenic media enable the selective detection of S. aureus, which produce bluish-green colonies that are clearly differentiated from other species.
显色培养基能够选择性检测金黄色葡萄球菌，该葡萄球菌产生的蓝绿色菌落与其他物种明显不同。
C C Vásquez et al.
Current microbiology, 43(6), 418-423 (2001-10-31)
The nucleotide sequence of a 4,539 bp fragment of Bacillus stearothermophilus V mediating tellurite resistance in Escherichia coli was determined. Four ORFs of more than 150 amino acids encoding polypeptides of 244, 258, 308, and 421 residues were found in
Xing-Long Xiao et al.
The Journal of general and applied microbiology, 56(6), 465-474 (2011-02-02)
A selective enrichment broth (SVV) was formulated to allow concurrent growth of Salmonella spp., V. parahaemolyticus, and V. cholerae. Potassium tellurite and sodium citrate were added as the inhibitors, while glucose, mannitol, anhydrous sodium sulfite and sodium pyruvate were employed
José M Pérez et al.
PloS one, 2(2), e211-e211 (2007-02-15)
Biochemical, genetic, enzymatic and molecular approaches were used to demonstrate, for the first time, that tellurite (TeO(3) (2-)) toxicity in E. coli involves superoxide formation. This radical is derived, at least in part, from enzymatic TeO(3) (2-) reduction. This conclusion
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 17774-10ML-F | 04061837399244 |
| 17774-10X10ML-F | 04061838753359 |