Human body atoms

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Understanding Human Body Atoms

Atomic Composition of the Human Body

The human body is composed of various elements that are organized at different levels, starting from the atomic level. Six key elements—carbon, nitrogen, calcium, potassium, sodium, and chlorine—can be directly measured in vivo using neutron-activation systems. These elements are crucial as they form the building blocks of the body's major chemical components at the molecular level .

Distribution of Atoms in the Human Body

The atoms and molecules in the human body are not randomly distributed. Instead, there is a preferential arrangement of different types of atoms. For instance, carbon, oxygen, and hydrogen are widely distributed throughout the body, while bones and teeth are rich in phosphorus and calcium. Hair contains higher amounts of sulfur and nitrogen. This specific distribution is essential for the body's functionality, as different organs require different molecular compositions to perform their unique functions .

Imaging Atoms in Medicine

Advancements in science and technology have enabled researchers to visualize the human body's internal structure using various imaging techniques. Protons in the body can generate signals for MRI, while other atoms, both metallic and non-metallic, are used in techniques like computed tomography, nuclear imaging, ultrasound, and optical imaging. These atoms enhance the quality of medical images, providing better diagnostic capabilities .

Conclusion

The human body is a complex system with a highly organized atomic and molecular structure. Key elements like carbon, nitrogen, calcium, potassium, sodium, and chlorine play vital roles in maintaining the body's chemical balance. The specific distribution of these atoms is crucial for the functionality of different organs. Moreover, advancements in imaging technologies have leveraged these atomic properties to improve medical diagnostics, offering deeper insights into the human body's internal workings.

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Most relevant research papers on this topic

Body composition and aging: a study by in vivo neutron activation analysis.

In vivo neutron activation analysis provides an important opportunity to study the relationship between aging and changes in human body composition, including the validity of two-compartment indirect methods for quantifying total body fat in the elderly.

1993·

41citations

·S. Heymsfield et al.

Crystals of the Living Body

The living body's structure is a complex, ordered system of atoms and molecules, arranged in a way that serves its various functions and contributes to its overall well-being.

1933·

0citations

·W. Bragg

Many-body physics with individually controlled Rydberg atoms

Individually controlled Rydberg atoms, when excited to Rydberg states, offer a promising platform for quantum simulation of many-body physics, particularly for spin systems.

Highly Cited

2020·

872citations

·A. Browaeys et al.

Imaging atoms in medicine

Imaging atoms, such as metallic or non-metallic, enhance the quality of medical images by enabling detection through various imaging techniques.

2009·

3citations

·M. Albelda et al.

Computational aspects of many-body potentials

Many-body potentials enable large molecular dynamics simulations with unprecedented atomic-scale fidelity, but computational costs scale linearly with the number of atoms modeled.

Highly Cited

2012·

317citations

·S. Plimpton et al.

2. Atoms

The discovery of atoms, despite their invisibility, was a key milestone in the understanding of matter and its properties.

2019·

0citations

·G. Cottrell

Unlocking the potential of MICROCRYSTAL ELECTRON DIFFRACTION

Atoms stick together in different ways to make the molecules that compose everything we touch and see. Our bodies are made of cells. Cells, in turn, are made of lipids, proteins, nucleic acids, metabolites, and water. Every one of those molecules is made from the same handful of atoms. But although the components are the same, the molecules differ in how many atoms they have and how those atoms are arranged in space.

2022·

0citations

·M. Martynowycz et al.

Many-Body Theories of the Electronic Structure of Atoms and Molecules

This review focuses on two main categories of many-body theories: those based on orbitals and those derived from many-body problems.

1971·

57citations

·K. Freed

Many-Body Perturbation Theory and Coupled Cluster Theory for Electron Correlation in Molecules

Many-body perturbation theory and coupled cluster theory have revolutionized our understanding of electron correlation in molecules, enabling new insights into the electronic structure of atoms and molecules.

Highly Cited

1981·

1697citations

·R. Bartlett

Molecular Structure in Relation to Biology and Medicine

Large molecules' structure is crucial for understanding the human body in health and disease, and understanding their structure helps determine biological specificity between species and within individuals.

1959·

5citations

·L. Pauling

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