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Iron-55

Iron-55

An iron isotope; a positron emitter with a half-life of 2.73 years; used (less often than 59Fe) as a tracer in study of iron metabolism and in blood perfusion studies.


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Science vs. Science Fiction, non-scientist needs help

... a wet cavern on Mars which has a bacterial colony growing in it. This colony has evolved to form a kind of collective intelligence. They consume iron. For the purposes of story telling, I made them bioluminescent. I further made their collective intelligence an adaptation of bioluminescent communication, ...

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by MOrenda
Wed Aug 20, 2014 6:45 am
 
Forum: Microbiology
Topic: Science vs. Science Fiction, non-scientist needs help
Replies: 1
Views: 117

Re: The most boring tasks in Biology

... on a fluorescent microscope was boring. I was measuring the change in photosynthetic characteristics after changes in illumination at different iron concentrations. This involved lots of time points where I needed the cell density in the culture, so I spent many many sessions over a period of ...

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by jonmoulton
Fri Aug 15, 2014 3:32 pm
 
Forum: General Discussion
Topic: The most boring tasks in Biology
Replies: 1
Views: 270

Agriculture and Microbiology come together (Research Prjct)

... of them are usable by plants. Potassium Nitrate Boron Nitrite Calcium Phosphate Magnesium Powder Ammonium Phosphate Magnesium Phosphate Zinc Oxide Iron Chelate and Copper Chelate I also found a source for bulk chelated metal powder once I can afford it: Copper Iron Zinc Boron Manganese Magnesium ...

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by Sophiahotep
Thu Nov 14, 2013 9:29 pm
 
Forum: Microbiology
Topic: Agriculture and Microbiology come together (Research Prjct)
Replies: 2
Views: 3133

Extended sleeping

... sun can cause depression or bad mood, but not likely vitamin D deficiency. Diet-related causes of fatigue include low blood levels of potassium, iron and proteins, for example, but you would really need to have poor diet to come to this; I mean days with almost no food.

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by boron
Sat Nov 09, 2013 4:08 pm
 
Forum: Human Biology
Topic: Extended sleeping
Replies: 3
Views: 1454

List of enterohepatically cycled nutrients?

... (29% sodium 21% chloride 8% bicarbonate 1.6% potassium) 12% Fatty acids 9% Cholesterol 7% Proteins 5% OTHER ?% copper ?% chromium ?% iron ?% zinc ?% manganese ?% molybdenum ?% lithium ?% cobalt ?% nickel ?% boron ?% calcium ?% vitamin b12 ?% folate ?% vitamin d ?% mercury ?% lead ...

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by lourat
Sat Nov 09, 2013 6:18 am
 
Forum: Human Biology
Topic: List of enterohepatically cycled nutrients?
Replies: 0
Views: 1067
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