描述
Normalized with respect to hydrogen
质量水平
同位素纯度
99 atom % 18O
bp
100 °C (lit.)
mp
0 °C (lit.)
密度
1.11 g/mL at 20 °C (lit.)
质量偏移
M+2
SMILES字符串
[18OH2]
InChI
1S/H2O/h1H2/i1+2
InChI key
XLYOFNOQVPJJNP-NJFSPNSNSA-N
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相关类别
一般描述
重氧水(H2180)是由共价连接的2个氢原子和1个氧18原子组成的同位素标记化合物。以氧18水的形式储存、运输和使用氧18最为方便。
应用
氧18水可用于正电子发射断层扫描(PET)，它是一种核成像技术，通过观察体内代谢过程进行肿瘤、癌症分期、转移瘤、痴呆症等的辅助诊断。氧18水是目前仅有的适于稳定同位素探测(SIP)的通用细菌基质。氧18水已用于定量分析底栖细菌群落在不同氧化还原条件下的群体生长动力学。
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
新产品
H H Coenen et al.
Nuclear medicine and biology, 37(7), 727-740 (2010-09-28)
Positron emission tomography (PET) is a rapidly expanding clinical modality worldwide thanks to the availability of compact medical cyclotrons and automated chemistry for the production of radiopharmaceuticals. There is an armamentarium of fluorine-18 ((18)F) tracers that can be used for
Elizabeth A Rettedal et al.
MicrobiologyOpen, 4(2), 208-219 (2015-02-05)
Current limitations in culture-based methods have lead to a reliance on culture-independent approaches, based principally on the comparative analysis of primary semantides such as ribosomal gene sequences. DNA can be remarkably stable in some environments, so its presence does not
Ömer K Coskun et al.
The ISME journal, 13(6), 1546-1559 (2019-02-21)
The benthos in estuarine environments often experiences periods of regularly occurring hypoxic and anoxic conditions, dramatically impacting biogeochemical cycles. How oxygen depletion affects the growth of specific uncultivated microbial populations within these diverse benthic communities, however, remains poorly understood. Here
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