Atẹgun-18 omi
Kini idi ti o ṣiyemeji? Beere wa Bayi!
Pe waAwọn pato
| Isotope Tiwqn | |||
| Eyin-18 | 98 atomu% | ||
| O-17 | 1 atomu% | ||
| O-16 | 1 atomu% | ||
| Idanwo | Sipesifikesonu | Abajade Idanwo | Ọna / Itọkasi |
| Iwa ihuwasi | ≤5µS/cm | 1.4 | Onimọ-ẹrọ |
| Mimo | >99.9 | 99.93 | / |
| pH | 44355 | 6.1 | pH mita |
| Lapapọ erogba Organic | 0.1 | TOCanalyzer | |
| Deuterium | ≤ 0.015% ni | 0.015 | FT-IR |
| Endotoxin | 112 | LAL | |
| Micro Organism | 1 | 9215B | |
| F | ≤ 0.5mg/L | 0.1 | IC |
| Cl | ≤ 0.5mg/L | 0.02 | IC |
| Br | ≤ 0.5mg/L | 0.1 | IC |
| NO3 | ≤ 0.5mg/L | 0.077 | IC |
| SO4 | ≤ 0.5mg/L | 0.01 | IC |
| Zn | ≤ 0.5mg/L | 0.1 | ICP |
| Pẹlu | ≤ 0.5mg/L | 0.1 | ICP |
| Fe | ≤ 0.5mg/L | 0.1 | ICP |
| Tẹlẹ | ≤ 3mg/L | 0.1 | ICP |
| K | ≤ 0.5mg/L | 0.1 | ICP |
| Iyẹn | ≤ 1 mg/L | 0.1 | ICP |
| Mg | ≤ 0.5mg/L | 0.1 | ICP |
Ti ara ati kemikali-ini
| Ipo ti ara | Omi | |||
| Ifarahan | Omi | |||
| Iwọn molikula | 20.02 g/mol (Ti a fi aami si) | |||
| Àwọ̀ | Laini awọ | |||
| Ojuami yo | 0 °C | |||
| didi ojuami | 0 °C | |||
| Oju omi farabale | 100 °C (212 °F) - tan | |||
| Specific walẹ / iwuwo | 1 g/ml ni 3.98 °C | |||
ọja apejuwe
Omi Imudara Oxygen-18 ni a lo bi ibi-afẹde eyiti o jẹ bom-barded pẹlu iranlọwọ ti cyclotron tabi imuyara laini lati le gbe Flourine-18 jade. Flourine-18 jẹ iṣelọpọ sinu 2-deoxy-2-18 F-β-D-glucopyranose (18 F-FDG) eyiti o jẹ moleku suga redio ti a lo ninu PET (Positron emission tomography) fun ipinnu awọn aaye ti iṣelọpọ glukosi ajeji ati fun agbegbe -ization ti ọpọlọpọ awọn orisi ti èèmọ. Loni 18 F-FDG jẹ ibigbogbo julọ ati aṣeyọri PET radiopharmaceutical. 18 F-FDG jẹ afọwọṣe ti glukosi, o jẹ itasi ni vivo ati lẹhinna 18 F-FDG ni a gbe lati ẹjẹ lọ si awọn ara ni ọna ti o jọra si glukosi. Awọn sẹẹli fa FDG bii glukosi ṣugbọn ko le jẹ iṣelọpọ. Anfani pataki pupọ ti FDG-PET ni pe o ṣe iranlọwọ ni pipe ni asọye ipele ati awọn aaye ti arun ti nwaye ni ọpọlọpọ awọn iru alakan.
apejuwe2