Results 11 to 20 of about 1,477,310 (345)

Sex- and site-specific, age-related changes in bone density – a Terry collection study

open access: yesHomo, 2023
As modern populations are living longer, age-related health issues have become more common. One growing concern is the age-related bone density loss that increases the individual’s risk for fractures, which unfortunately seems to disproportionately ...
Niina Korpinen   +2 more
doaj   +1 more source

Structure reactivity analysis for Phenylalanine and Tyrosine

open access: yesCumhuriyet Science Journal, 2021
Phenylalanine (Phe) is one of the amino acids that cannot be produced in the body and must be ingested through diet. Tyrosine (Tyr) is also a non-essential amino acid and can be produced by Phe hydroxylation in the liver when the dietary intake of Tyr is
Pelin Koparır   +3 more
doaj   +1 more source

Facile fabrication of polymer network using click chemistry and their computational study [PDF]

open access: yesRoyal Society Open Science, 2021
Click reaction is a very fast, high yield with no by-product, biocompatible, tolerant to surrounded medium, and very specific cycloaddition reaction between azides and alkynes to form triazole.
Md. Kausar Ahmed   +2 more
doaj   +1 more source

Análisis de los fragmentos pictóricos hallados en la casa del peristilo de Los Bañales (Uncastillo, Zaragoza)

open access: yesCuadernos de Arqueología de la Universidad de Navarra, 2015
Presentamos a continuación un breve análisis sobre los fragmentos pictóricos hallados en la Casa del Peristilo de Los Bañales (Uncastillo, Zaragoza). Se han diferenciado dos conjuntos: el primero lo componen varias piezas con aparente decoración banal ...
Lara Iñiguez Berrozpe
doaj   +1 more source

Reproductive behaviour and longevity: Evidence from Chinese centenarians

open access: yesHomo, 2023
With the implementation of the three-child policy in China, the debate between fertility and health and longevity has again become a hot topic in the era of increasing ageing. This study aimed to explore the association between reproductive behaviour and
Shuo Zhang   +4 more
doaj   +1 more source

Exploring the Locus of Anthropos in Market Ecology: When the Homo Politicus Converses with the Homo Economicus [PDF]

open access: yes, 2014
The dilemma of the anthropos confuses him as to the advantage of the market to his existence. The market anthropos is seen as homo economicus, a self-interested, utility-maximizing individual.
Macaraan, Willard Enrique
core   +1 more source

Statistical classification methods for estimating sex based on five skull traits: A nonmetric assessment using 3D CT models

open access: yesHomo, 2023
Five cranial nonmetric traits for sex estimation for sex estimation are classified by score according to geometry. The population of origin is one of the factors influencing cranial nonmetric traits.
Yun taek Shim   +6 more
doaj   +1 more source

Recent origin of low trabecular bone density in modern humans [PDF]

open access: yes, 2014
Humans are unique, compared with our closest living relatives (chimpanzees) and early fossil hominins, in having an enlarged body size and lower limb joint surfaces in combination with a relatively gracile skeleton (i.e., lower bone mass for our body ...
Bernhard Zipfel   +11 more
core   +1 more source

Does Koopmans\u27 Paradigm for 1-Electron Oxidation Always Hold? Breakdown of IP/Eox Relationship for p-Hydroquinone Ethers and the Role of Methoxy Group Rotation [PDF]

open access: yes, 2015
Koopmans’ paradigm states that electron loss occurs from HOMO, thus forming the basis for the observed linear relationships between HOMO/IP, HOMO/Eox, and IP/Eox.
Boddeda, Anitha   +3 more
core   +3 more sources

Stabilization of a Two-Coordinate [GeCl]+ Cation by Simultaneous σ and π Donation from a Monodentate Carbodiphosphorane [PDF]

open access: yes, 2013
Give me four: The synthesis, structure, and reactivity of [GeCl]+ and [SnCl]+ cations bearing a carbodiphosphorane as ancillary ligand are presented. In the Ge compound, simultaneous σ and π donation from the carbodiphosphorane to Ge is observed (see ...
Alcarazo, M.   +3 more
core   +2 more sources

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