Results 31 to 40 of about 393,404 (281)

Eccentricity based topological indices of siloxane and POPAM dendrimers

open access: yesMain Group Metal Chemistry, 2020
A massive of early drug tests indicates that there is some strong inner connections among the bio-medical and pharmacology properties of nanostar dendrimers and their molecular structures.
Iqbal Muhammad Azhar   +2 more
doaj   +1 more source

On Relationships of Eigenvalue–Based Topological Molecular Descriptors

open access: yesActa Chimica Slovenica, 2020
Three eigenvalue-based topological molecular descriptors are compared using several datasets of alkanes. Two of them are well-known and frequently employed in various QSPR/QSAR investigations, and third-one is a newly derived whose predictive potential is yet to be proven. The relations among them are found and discussed.
Redžepović I., Furtula, Boris
openaire   +5 more sources

Keywords given by authors of scientific articles in database descriptors [PDF]

open access: yes, 2007
This paper analyses the keywords given by authors of scientific articles and the descriptors assigned to the articles in order to ascertain the presence of the keywords in the descriptors.
Alonso-Arroyo, Adolfo   +1 more
core   +2 more sources

How Small Can Faithful Sets Be? Ordering Topological Descriptors [PDF]

open access: yes
Recent developments in shape reconstruction and comparison call for the use of many different (topological) descriptor types, such as persistence diagrams and Euler characteristic functions. We establish a framework to quantitatively compare the strength
Millman, David L.   +2 more
core   +6 more sources

Differences in topological progression profile among neurodegenerative diseases from imaging data

open access: yeseLife, 2019
The spatial distribution of atrophy in neurodegenerative diseases suggests that brain connectivity mediates disease propagation. Different descriptors of the connectivity graph potentially relate to different underlying mechanisms of propagation ...
Sara Garbarino   +13 more
doaj   +1 more source

Chemical bond overlap descriptors from multiconfiguration wavefunctions [PDF]

open access: yes, 2023
Chemical bonds are fundamental in chemistry, serving as the foundation for understanding molecular properties. Over time, various theories and descriptors have evolved to characterize these bonds since the inception of quantum mechanics.
Carlos, Santos-Jr, Renaldo, Moura Jr.
core   +2 more sources

Computation of edge- and vertex-degree-based topological indices for tetrahedral sheets of clay minerals

open access: yesMain Group Metal Chemistry, 2022
In terms of soil conditions, clay minerals infrequently occur as homogenous mixtures of single constituents, gatherings, stages, or types of minerals.
Ahmad Al-Nashri Al-Hossain   +2 more
doaj   +1 more source

Chemical Application of Topological Indices in Infertility Treatment Drugs and QSPR Analysis

open access: yesInternational Journal of Analytical Chemistry, 2023
The main challenges faced by medical researchers while producing novel drugs are time commitment, amplified costs, creating a safety profile for the medications, reduced solubility, and a lack of experimental data.
Sobia Sultana
doaj   +1 more source

Structural Descriptors of Benzenoid Hydrocarbons: A Mismatch between the Estimates and Parity Effects in Helicenes

open access: yesC, 2022
Benzenoid hydrocarbons have regular structures, attracting the opportunity to test the structural descriptors of their series. In the present study, we compared information entropy, Wiener indices, topological efficiencies, topological roundness, and ...
Denis Sh. Sabirov   +3 more
doaj   +1 more source

Topological descriptor of thermal conductivity in amorphous Si

open access: yesThe Journal of Chemical Physics, 2022
Quantifying the correlation between the complex structures of amorphous materials and their physical properties has been a longstanding problem in materials science. In amorphous Si, a representative covalent amorphous solid, the presence of a medium-range order (MRO) has been intensively discussed.
Emi Minamitani   +3 more
openaire   +2 more sources

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