QSPR analysis of some novel drugs used in blood cancer treatment via degree based topological indices and regression models

S Zaman, HSA Yaqoob, A Ullah… - Polycyclic Aromatic …, 2024 - Taylor & Francis
Topological indices (TIs) have several biological applications in the treatment of blood
cancer. TIs can be used to predict the efficacy of drugs in cancer treatment by providing …

Mathematical analysis and molecular descriptors of two novel metal–organic models with chemical applications

S Zaman, M Jalani, A Ullah, W Ahmad, G Saeedi - Scientific Reports, 2023 - nature.com
Abstract Metal–Organic Networks (MONs) are made by chemical molecules that contain
metal ions and organic ligands. A crystalline porous solid called Metal–Organic Networks …

Derivation of mathematical closed form expressions for certain irregular topological indices of 2D nanotubes

A Ullah, S Zaman, A Hussain, A Jabeen, MB Belay - Scientific Reports, 2023 - nature.com
A numeric quantity that characterizes the whole structure of a network is called a topological
index. In the studies of QSAR and QSPR, the topological indices are utilized to predict the …

Computation of some important degree-based topological indices for γ-graphyne and Zigzag graphyne nanoribbon

A Hakeem, A Ullah, S Zaman - Molecular Physics, 2023 - Taylor & Francis
Topological indices serve as mathematical tools for characterising the molecular structure of
a compound, and are useful to anticipate its properties. Actually, these are quantitative …

On the construction of some bioconjugate networks and their structural modeling via irregularity topological indices

A Ullah, S Zaman, A Hamraz, M Muzammal - The European Physical …, 2023 - Springer
Bioconjugate networks refer to networks that are formed by connecting different molecules
or particles (such as proteins, enzymes, or nanoparticles) through covalent or non-covalent …

Network‐Based Modeling of the Molecular Topology of Fuchsine Acid Dye with Respect to Some Irregular Molecular Descriptors

A Ullah, Shamsudin, S Zaman, A Hamraz… - Journal of …, 2022 - Wiley Online Library
Fuchsine acid is one of the supramolecular dyes used in Masson's trichrome stain and has
enormous applications in histology. It is also used in Van Gieson's method with picric acid to …

Kemeny's constant and global mean first passage time of random walks on octagonal cell network

S Zaman, A Ullah - Mathematical Methods in the Applied …, 2023 - Wiley Online Library
This paper investigates the random walks of octagonal cell network. By using the Laplacian
spectrum method, we obtain the mean first passage time (τ)\left (τ\right) and Kemeny's …

The study of curve fitting models to analyze some degree-based topological indices of certain anti-cancer treatment

X Zhang, ZS Bajwa, S Zaman, S Munawar, D Li - Chemical Papers, 2024 - Springer
Topological indices are obtained from molecular graphs and are real numbers that can
forecast the biological and physicochemical properties of several anti-cancer treatments …

Matrix analysis of hexagonal model and its applications in global mean-first-passage time of random walks

X Yu, S Zaman, A Ullah, G Saeedi, X Zhang - IEEE access, 2023 - ieeexplore.ieee.org
Recent advances in graph-structured learning have demonstrated promising results on the
graph classification task. However, making them scalable on huge graphs with millions of …

Spectral techniques and mathematical aspects of K 4 chain graph

T Yan, Z Kosar, A Aslam, S Zaman, A Ullah - Physica Scripta, 2023 - iopscience.iop.org
The resistance distance between any two vertices of a connected graph is defined as the net
effective resistance between them. An electrical network can be constructed from a graph by …