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Merck
CN

17779

2,3,5-三苯基氯化四氮唑 溶液

suitable for microbiology, Filter sterilized solution that is recommended for the detection of microbial growth based on reduction of TTC

别名:

TTC溶液、TTC补充剂, TTC, TTC补充剂

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关于此项目

经验公式(希尔记法):
C19H15ClN4
化学文摘社编号:
分子量:
334.80
UNSPSC Code:
41171614
NACRES:
NA.85
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3923356
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InChI

1S/C19H15N4.ClH/c1-4-10-16(11-5-1)19-20-22(17-12-6-2-7-13-17)23(21-19)18-14-8-3-9-15-18;/h1-15H;1H/q+1;/p-1

SMILES string

[Cl-].c1ccc(cc1)-c2nn(-c3ccccc3)[n+](n2)-c4ccccc4

InChI key

PKDBCJSWQUOKDO-UHFFFAOYSA-M

sterility

sterile (Filtered and Aseptic Handled)

form

liquid

shelf life

limited shelf life, expiry date on the label

mol wt

334.8 g/mol

application(s)

agriculture
environmental
food and beverages, microbiology

storage temp.

2-8°C

suitability

bacteria

Quality Level

General description

2,3,5-三苯基氯化四氮唑(TTC)是一种广泛用于固体培养基中微生物菌落计数的染料。这种染料在氧化形式下是无色的,当被微生物还原时,由于形成了甲臜,因此变为红色。活的微生物,例如大肠杆菌和其他大肠菌群,通过酶促作用减少TTC,形成红色的甲臜,保留在细胞的颗粒内部。强烈建议在检测巴氏杀菌奶时使用TTC,因为在巴氏杀菌奶中有很大比例的微生物无法减少 TTC,而这些微生物无法通过实验室程序检测到。较高浓度的 TTC 可对革兰氏阳性菌的生长起抑制作用。

Application

2,3,5-三苯基氯化四氮唑(TTC)溶液是一种氧化还原指示剂,可以帮助指示细胞呼吸、识别活细胞和非活细胞,以及识别能够在固体培养基上还原 TTC 的微生物

Other Notes

(每瓶)
2,3,5-三苯基氯化四氮唑:0.1g,蒸馏水:10ml

存储类别

10 - Combustible liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Keiichi Hishikari et al.
Cardiovascular research, 81(1), 123-132 (2008-09-23)
Increased expression of several subtypes of prostaglandin E(2) receptors (EP1-4) has recently been described in clinical and experimental myocardial ischaemia/reperfusion (I/R) injury. However, their pathophysiological significance in I/R remains obscure. Thus, we determined whether the activation of the prostanoid receptor
Kadmo Azevedo de Figueiredo et al.
Antibiotics (Basel, Switzerland), 9(8) (2020-07-28)
This study investigated the effects of Brazilian Red Propolis (BRP) extract on seven-day-old multispecies subgingival biofilms. Mixed biofilm cultures containing 31 species associated with periodontal health or disease were grown for six days on a Calgary device. Then, mature biofilms
Rutger H Stoffers et al.
Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance, 19(1), 17-17 (2017-02-16)
The evolution of T1ρ and of other endogenous contrast methods (T2, T1) in the first month after reperfused myocardial infarction (MI) is uncertain. We conducted a study of reperfused MI in pigs to serially monitor T1ρ, T2 and T1 relaxation
Emilie Decaup et al.
Frontiers in immunology, 10, 1943-1943 (2019-09-03)
Follicular lymphoma (FL) is the second most frequent subtype of B non-Hodgkin's lymphomas (NHL) for which the treatment is based on the use of anti-CD20 mAbs. NK cells play a crucial role in their mechanism of action and the number
Peipei Xu et al.
Frontiers in plant science, 10, 67-67 (2019-02-26)
Abscisic acid (ABA) has been implicated in plant adaptation to various environmental stresses in addition to the regulation of seed dormancy and leaf senescence. ABI3 is a B3 domain-containing family protein and functions in the ABA signaling pathway during seed

商品

Vibrios are motile, curved or comma-shaped bacilli and have a single polar flagella with sheet proteins. They are often found in open water, freshwater and saltwater.

大多数弧菌采用葡萄糖等简单的 C 源作为能源,需要2-4%的NaCl或其他盐以及海水中存在的微量元素,即可实现最佳生长。有些物种可以使用多种能源。

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