Iron role in life as Fe
Iron is by mass the most common element on Earth, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars, where it is the last element to be produced with release of the energy before the violent collapse of a supernova, which scatters the iron into space.
Most of the iron in the crust is found combined with oxygen as iron oxide minerals such as hematite (Fe2O3), magnetite (Fe3O4), and siderite (FeCO3).
Iron-56 (56Fe) is the most common isotope of iron. About 91.754% of all iron is iron-56. Of all nuclides, iron-56 has the lowest mass per nucleon. With 8.8 MeV binding energy per nucleon, iron-56 is one of the most tightly bound nuclei. Iron shows the characteristic chemical properties of the transition metals, namely the ability to form variable oxidation states differing by steps of one and a very large coordination and organometallic chemistry. Iron oxide mixed with aluminium powder can be ignited to create a thermite reaction.
Each domain contains iron atoms with a particular electronic spin. In un-magnetized iron, all the electronic spins of the atoms within one domain have the same axis orientation; however, the electrons of neighboring domains have other orientations with the result of mutual cancellation and no magnetic field. In magnetized iron, the electronic spins of the domains are aligned and the magnetic effects are reinforced. Although each domain contains billions of atoms, they are very small, about 10 micrometers across.
Black iron combines with pine bark and magnetizes it.
60Fe, and the abundance of the stable iron isotopes provided evidence for the existence of 60Fe at the time of formation of the Solar System. Lot of this work is driven by the Earth and planetary science communities, although applications to biological, nano technologies and industrial systems are emerging. The most abundant iron isotope 56Fe is of particular interest to nuclear scientists because it represents the most common endpoint of nucleosynthesis. Since 56Ni (14 alpha particles) is easily produced from lighter nuclei in the alpha process in nuclear reactions, it is the endpoint of fusion chains inside extremely massive stars, the since addition of another alpha particle, resulting in 60Zn, requires a great deal more energy. This 56Ni, which has a half-life of about 6 days, is created in quantity in these stars, but soon decays by two successive positron emissions within reactor decay products in the reactor remnant gas cloud, first to radioactive 56Co, and then to stable 56Fe.
As such, iron is the most abundant element in the core of red giants and is the most abundant metal in iron meteorites and in the dense metal cores of planets such as Earth. It is also very common in the Universe. In cold fusion occurring via quantum tunneling would cause the light nuclei in ordinary matter to fuse into 56Fe nuclei. Fission and alpha-particle emission would then make heavy nuclei decay into iron, converting all stellar-mass objects to cold spheres of pure iron.
If iron is left in the rain it will rust, and rust is composed of iron oxide, a molecule that contains three atoms of iron and four atoms of oxygen. Like iron, iron oxide has magnetic properties. Iron has four unpaired electrons, whereas iron oxide has only two unpaired electrons.
Nanoparticles from the environment are attracted by magnets naturally and magnetic field flow becomes visible, it occurred accidentally in my lab.
Because the unpaired electrons make a material magnetic, iron oxide is less magnetic than iron. Iron oxide is therefore called a paramagnetic material. The paramagnetic properties of iron oxide nanoparticles are not changed from the bulk material except that these tiny particles. Iron nanoparticles particles are sub-micrometer particles of iron metal.
Fe2O3 mixed with red jaspers gemstones (water solution) slowly dried in dark for 2 months forms very visible crystal structures.
Iron chemical compounds have been used very widely in our lives - personal care and cosmetics, as iron oxides, in sunscreens, eye shadows, toothpaste, talcum powder, shower gel, cream. Pharmaceutical it is used as coloring agent in sugar coated and gelatin capsules. Iron is present in our food as candy coating, preserved fruits, chewing gums, solid drinks and concentrated solid drink as healthy pigment.
They are highly reactive because of their large surface area. In the presence of oxygen and water, they rapidly oxidize to form free iron ions. They are widely used in medical and laboratory applications and have also been studied for remediation of industrial sites contaminated with chlorinated organic compounds. Researchers are investigating the use of iron nanoparticles as targeted drug delivery to drive nanoparticles with an iron core. Drug delivery can be guided by a magnetic field to a particular region of a patient’s body.
Treating ground water with iron nanoparticles are also useful in cleaning up organic pollutants in groundwater because they can donate electrons to more electronegative atoms, such as chlorine atoms, present in many of the molecules that make up organic pollutants. Donating these electrons can cause the molecules to break up into harmless molecules. Because nanoparticles can remain suspended in groundwater for a long time and are transported throughout the system, they are used to treat large areas of groundwater. Iron oxides are common natural compounds and can also easily be synthesized in the laboratory. There are 16 iron oxides, including oxides, hydroxides, and oxide-hydroxides.
These minerals are a result of aqueous reactions under various redox and pH conditions. They have the basic composition of Fe, O, and/or OH, but differ in the valency of iron and overall crystal structure. Iron nanoparticles have attracted considerable interest due to their superparamagnetic properties and their potential biomedical applications arising from its biocompatibility and non-toxicity.
Iron role in the human body
Iron plays an important role in biology, forming complexes with molecular oxygen in hemoglobin and myoglobin; these two compounds are common oxygen transport proteins in vertebrates. Iron is also the metal at the active site of many important redox enzymes dealing with cellular respiration and oxidation and reduction in plants and animals.
A human male of average height has about 4 grams of iron in his body, a female about 3.5 grams. This iron is distributed throughout the body in hemoglobin, tissues, muscles, bone marrow, blood proteins, enzymes, ferritin, hemosiderin, and transport in plasma.
Iron is needed for a number of highly complex processes that continuously take place on a molecular level and that are indispensable to human life
- the transportation of oxygen around your body!
- it is required for the production of red blood cells (a process known as hematopoiesis), but it's also part of hemoglobin (that is the pigment of the red blood cells) binding to the oxygen and thus facilitating its transport from the lungs via the arteries to all cells throughout the body.
- iron (as part of hemoglobin) transport oxygen from lungs to cells, when binds with carbon dioxide in cell and transport it back to the lung and where it is exchanged again with oxygen.
- atoms of iron floating in the bloodstream are collected by Transferrin and then transported to various cells for storage. Protein containers like Ferritin store up to 4500 iron atoms in their hollow protein core.
- it is involved in reaction that converts blood sugar to energy.
(Metabolic energy is crucial for athletes since it allows muscles to work at their optimum during exercise or when competing.) Is it a reason why we call them ''Iron man''?
- iron is necessary for enzyme production. Enzymes play vital role in the production of
- new cells
- amino acids (the building block for different proteins),
- hormones. Many hypothyroid patients take iron supplements because being hypothyroid often means having low iron levels. In particular, ferritin — the stored form of iron — needs to be at optimal levels in order for hormone balance — including the thyroid — and maximum energy. Iron loss can result from the lowered production of stomach acid, or gut inflammation, which leads to poor iron absorption. For women of child-bearing age, hypothyroidism can result in a heavier menstrual flow, which further increases iron deficiency. Some women choose to take iron supplements — but remember to always take any form of iron supplementation at least three hours apart from your thyroid hormone replacement drugs. But even better is eating a diet that’s rich in iron.
- and neurotransmitters.
(It's important if you are competing professionally or following serious exercise so you can perform at your best.) It is a reason why Keshe suggests to use Fe to balance the nerve system.)
‘The influence of iron metabolism on mechanisms of emotional behavior is multifactorial: brain region-specific control of behavior, regulation of neurotransmitters and associated proteins, temporal and regional differences in iron requirements, oxidative stress responses to excess iron, sex differences in metabolism, and interactions between iron and other metals. To better understand the role that brain iron plays in emotional behavior and mental health, this review discusses the pathologies associated with anxiety and other emotional disorders with respect to body iron status.’
- the normal function of immune system is dependent on iron.
Iron also contributes to normal cognitive function in children.
Natural production of iron amino acids, an iron plate placed in salted water for months.
- we lose iron in a variety of ways including urination, defecation, sweating, and exfoliating of old skin cells. Bleeding contributes to further loss of iron which is why women have a higher demand for iron than men.
- when the iron level is low, normal hemoglobin production slows down, which means the transport of oxygen is diminished, results is fatigue and tiredness.
- we can’t produce iron in our body, we need to make sure we consume sufficient amounts of iron as part of our daily healthy balanced diet
Sometimes we find the recommendations to eat some specific food rich with iron, but you should check how much it really contains. For example 100gr avocado contains approximately 0.8 mg of iron. The required iron amount by dietary intake depends on gender. Men preferred amount is 8 milligrams per day in all stages of life. Women need 18 milligrams a day, but if the pregnancy, then there is a need to increase this percentage to 27 milligrams daily. According to sources! But avocado fruit is still important an even the avocado pit may be useful in the treatment of cancer.
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