M-Polynomials and Topological Indices of Dominating David Derived Networks
-
Shin Min Kang
,
Waqas Nazeer
Abstract
There is a strong relationship between the chemical characteristics of chemical compounds and their molecular structures. Topological indices are numerical values associated with the chemical molecular graphs that help to understand the physical features, chemical reactivity, and biological activity of chemical compound. Thus, the study of the topological indices is important. M-polynomial helps to recover many degree-based topological indices for example Zagreb indices, Randic index, symmetric division idex, inverse sum index etc. In this article we compute M-polynomials of dominating David derived networks of the first type, second type and third type of dimension n and find some topological properties by using these M-polynomials. The results are plotted using Maple to see the dependence of topological indices on the involved parameters.
1 Introduction
The David derived and dominating David derived network of dimension n can be constructed as follows [1]: consider a n dimensional star of David network SD(n) [4]. Insert a new vertex on each edge and split it into two parts, this gives the David derived network DD(n of dimension n. The dominating David derived network of the first type of dimension n which can be obtained by connecting vertices of degree 2 of DDD(n) by an edge that are not in the boundary and is denoted by D1 (n) [1].
The dominating David derived network of the second type of dimension n can be obtained by subdividing the new edges in D1 (n) [1] and is denoted by D1 (2).
where
The dominating David derived network of the second type of dimension n denoted by D3 (n) can be obtained from D1 (n) by introducing a parallel path of length 2 between the vertices of degree two that are not in the boundary [1, 5].
In this report, M-polynomials of dominating David derived networks of the first type, second type and third type of dimension n, are computed. From these M-polynomials many degree-based topological indices are recovered. For example: first Zagreb index, second Zagreb index, modified second Zagreb index, Symmetric division index, generalized Randić index, generalized inverse Randić index, Augmented Zagreb index, etc for underlined networks. The results are plotted using maple 2015 software.
For basic definitions see [6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19].
The following table 1 relates some well-known degreebased topological indices to M-polynomial [2].
Derivation of some degree-based topological indices from M-polynomial.
| Topological Index | Derivation from M (G; x, y) |
| First Zagreb | (Dx + Dy )(M (G; x, y)x=y=1 |
| Second Zagreb | (DxDy)(M (G; x, y))x=y=1 |
| Second Modified Zagreb | (SxSy )(M (G; x, y))x=y=1 |
| Inverse Randić | ( |
| General Randić | ( |
| Symmetric Division Index | (DxSy + SxDy)(M(G; x, y))x=y=1 |
| Harmonic Index | 2SxJ(M (G; x, y))x=1 |
| Inverse sum Index | SxJDxDy(M (G; x, y))x=1 |
| Augmented Zagreb Index | Sx3Q−2JDx3Dy3 (G; x, y)) |
More results on the computation of these indices can refer to [20, 21, 22, 23, 24, 25, 26, 27].
Ethical approval: The conducted research is not related to either human or animals use.
2 Main Results
2.1 M-Polynomial and topological indices of dominating David derived network of first type
Let G = D1 (n) be the dominating David derived network of first type. From Figure 1, this gives vertex and edge partitions (see Table 2,3)
Dominating David derived network of the first type D1 (2).
The vertex partition of set of D1 (n).
| dv | 2 | 3 | 4 |
|---|---|---|---|
| Number of vertices | 20n − 10 | 18n2 − 26n +10 | 27n2 − 33n +12 |
The Edge partition of.
| du | Number of edges |
|---|---|
| (2,2) | 4n |
| (2,3) | 4n − 4 |
| (2,4) | 28n − 6 |
| (3,3) | 9n2 − 13n + 5 |
| (3,4) | 36n2 − 56n + 24 |
| (4,4) | 36n2 − 52n + 20 |
Theorem 1
Let D1(n) be the dominating David derived network of first type. Then the M-Polynomial of D1(n) is M (D1 (n);x,y) = 4nx2y2+ (4n − 4)x2y3 +(28n − 16)x2y4 + + (9n2 − 3n + 5)x3y3 + (36n2 − 56n + 24)x3x4 + (36n2 − 52n + 20)x4y4
Proof
Let D1(n) is the dominating David derived network of first type. It is easy to see form Figure 1 that
From Table 2, the vertex set of D1(n) have three partitions:
such that |V1(D1(n))| = 20n − 10, |V2(D1(n))| = 18n2 − 26n +10, and |V3(D1(n))| = 27n2 − 33n +12 .
From Table 3, the edge set of D1(n) have six partitions:
By means of Figure 1, this gives
Now according to the definition of the M-polynomial, this gives
Figure 4 (shown above) is plotted by using Maple 15. This suggests that values obtained by M-polynomial show different behaviors corresponding to different parameters x and y. The values of M-polynomial can be controlled through these parameters. Clearly Figure 4 shows that along one side intercept is an upward opening parabola.
Dominating David derived network of the second type D2 (4).
Dominating David derived network of the third type D3 (2).
Plot of M-Polynomial of Dominating David Derived Network of first Type.
Next some degree-based topologcal indices of dominating David derived network of first type are computed from this M-polynomial.
Proposition 2
Let D1(n) be the dominating David derived network of first type
M1(D1(n)) = 594n2 − 682n + 242
M2(D1(n)) = 1089n2 − 1357n + 501.
Rα (D1(n)) = 22 α 4n + 6α (4n − 4) + 8α (28n − 16) + 32α (9n2 − 13n + 5) + + 12α (36n2 − 56n + 24) +42α (36n2 − 52n + 20).
SSD(D1(n)) = 165n2 − 160n +
Proof
Let
Then
Now in view of Table 1, this gives:
M1(D1(n)) = (Dx + Dy)(f (x, y))|x=y=1 = 594n2 − 682n + 242.
M2(D1(n)) = DxDy (f (x, y))|x = y = 1 = 1089n2 − 1357n + 501.
2.2 M-polynomial and topological indices of Dominating David Derived network of second type
Let D2 (n) be the dominating David derived network of the second type. From Figure 2, we infer the following vertex and edge partition (Table 4, 5)
The vertex partition of D2(n).
| dv | 2 | 3 | 4 |
|---|---|---|---|
| Number of vertices | 9 n2 + 7 n − 5 | 18n2 − 26n +10 | 27n2 − 33n+ 12 |
Edge partition of D2(n).
| du | Number of edges |
|---|---|
| (2,2) | 4n |
| (2,3) | 18n2 − 22n + 6 |
| (2,4) | 28n − 16 |
| (3,4) | 36 n2 − 56n+24 |
| (4,4) | 36n2 − 52n + 20 |
Theorem 3
Let D2 (n) be the dominating David derived network of the second type. Then the M-Polynomial of D2 (n) is
Proof
Let D2 (n) is the dominating David derived network of second type. It is easy to see form Figure 2 that there are three type of vertices in the vertex set of D2 (n):
with
and
Also the edge set of D2 (n) has five type of edges:
such that |E1 (D2 (n))| = 4n, |E2 (D2 (n))| = 18n2 − 22n + 6, |E3(D2(n)) = 28n − 16, |E4(D2(n))| = 36n2 − 56n + 24, and |E5 (D2(n))| = 36n2 − 52n + 20.
In light of the definition of the M-polynomial, it is deduced that
Figure 14 is plotted using Maple 15. This suggests that values obtained by M-polynomial show different behaviors corresponding to different parameters x and y. We can control these values through these parameters.
Plot of M1(D1(n)).
Plot of M2(D1(n)).
Plot of mM2(D1(n)).
Plot of
Plot of RRα(D1(n)).
Plot of SSD (D1(n)).
Plot of H (D1(n)).
Plot of I (D1(n)).
Plot of A (D1(n)).
Plot of M-Polynomial of Dominating David Derived Network of second Type.
Now some degree-based topologcal indices of the dominating David derived network of the second type are computed from this M-polynomial.
Proposition 4
Let D2 (n) be the dominating David derived network of the second type
M1(D2(n)) = 630n2 − 734n + 262.
M2 (D2 (n)) = 1116n2 − 1396n + 516.
Rα(D2 (n)) = (6α18 + 12α36 +124α36)n2 + (22α+2 − 6α22 + 23α28 − 12α56 − 24α52 + 6α6 − 23α16 +12α24 + 24α 20.
Proof
Let M (D2(n); x, y) = f (x, y) = 4nx2y3 + (18n2 − 22n + 6) x2y3 + + (28n − 16) x2y4 +(36n2 − 56n + 24) x3y4 + (36n2 − 52n + 20) x4y4.
Then, this yields
Now from table 1
M1(D2(n)) = (Dx + Dy)(f(x, y))|x=y=1 = = 630n2 − 734n + 262.
M2(D2(n)) = DxDy(f(x, y))|x = y = 1 = 1116n2 − 1396n + 516.
2.3 M-polynomial and topological indices of Dominating David Derived networks of type three
Let G = D1(n) be the dominating David derived network of third type. By means of Figure 3, it is given that:
Theorem 5
Let D3 (n) be the dominating David derived network of the third type. Then the M-Polynomial of D3 (n) is
Proof
Let D3(n) is the dominating David derived network of the third type. In view of Table 6, the vertex set of D3 (n) has two partitions:
such that |V1(D3(n))| = 18n2 − 6n and |V2(D3(+))| = 45n2 − 59n + 22.
The vertex partition of D3 (n).
| dv | 2 | 4 |
|---|---|---|
| Number of vertices | 18n2 − 6n | 45n2 − 59n + 22 |
Using Table 7, the edge set of D3 (n) has three partitions:
which satisfy |E1 (D3 (n))| = 4n, |E2(D3(n))| = 36n2 − 20n and |E3(D3(n))| = 72n2 − 108n + 44.
Edge partition of D3 (n).
| du | Number of edges |
|---|---|
| (2,2) | 4n |
| (2,4) | 36n2 − 20n |
| (4,4) | 72n2 − 108n + 44 |
Followed from the definition of the M-polynomial, we get
Figure 24 is plotted by using Maple 15. This suggests that values obtained by M-polynomial show different behaviors corresponding to different parameters x and y. We can control values of M-polynomial through these parameters.
Plot of M1 (D2(n)).
Plot of M2 (D2(n)).
Plot of mM2 (D2(n)).
Plot of R-1/2(D2(n)).
Plot of RR-1/2(D2(n)).
Plot of SSD (D2(n)).
Plot of H D2(n)).
Plot of I D2(n)).
Plot of A D2(n)).
Plot of M-Polynomial of Dominating David Derived Network of third Type.
Now some degree-based topologcal indices of Dominating David Derived Network of the third type are computed from this M-polynomial.
Proposition 6
Let D3(n) be the Dominating David Derived Network of the third type
M1(D3(n)) = 792n2 − 968n + 352.
M2(D3(n)) = 1440n2 − 1872n + 704.
Rα(D3(n)) = 9(23α+2 + 24α+3)n2 + (22α+2 − 5⋅3a+2 + + 27 ⋅ 24α+2)n + 11⋅ 24α+2.
SDD(D3(n)) = 234n2 − 258n + 88.
H(D3(n)) = 30n2
I (D3 (n)) = 192n2
A(D3(n))
Proof
Let
Then, derived from this
Now from Table 1
Ml(D3(n)) = (Dx + Dy)(f(x, y))|x=y=1 = 792n2 − 968n + 352.
M2(D3(n)) = DxDy(f(x,y))|x=y=1 =1728n2 − 2032n + 704.
SDD(D3 (n)) = (SyDx + SxDy )(f(x, y))|x=y=1 =
= 234n2 − 258n + 88.
Plot of M1(D3(n)).
Plot of M2(D3(n)).
Plot of mM2(D3(n)).
Plot of R-1/2(D3(n)).
Plot of RR-1/2(D3(n)).
Plot of SDD(D3(n)).
Plot of H(D3(n)).
Plot of I(D3(n)).
Plot of A(D3(n)).
3 Conclusion
M-polynomials of dominating David Derived networks of the first, second and third type were computed. Many degree-based topological indices of these networks form have been recovered from their M-polynomials. Note that first Zagreb index and some particular cases of Randic index was calculated directly in [1].
Conflict of interest: Authors state no conflict of interest
Reference
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- The Effect of Macroalgal Extracts and Near Infrared Radiation on Germination of Soybean Seedlings: Preliminary Research Results
- Content of Zn, Cd and Pb in purple moor-grass in soils heavily contaminated with heavy metals around a zinc and lead ore tailing landfill
- Topical Issue on Research for Natural Bioactive Products
- Synthesis of (±)-3,4-dimethoxybenzyl-4-methyloctanoate as a novel internal standard for capsinoid determination by HPLC-ESI-MS/MS(QTOF)
- Repellent activity of monoterpenoid esters with neurotransmitter amino acids against yellow fever mosquito, Aedes aegypti
- Effect of Flammulina velutipes (golden needle mushroom, eno-kitake) polysaccharides on constipation
- Bioassay-directed fractionation of a blood coagulation factor Xa inhibitor, betulinic acid from Lycopus lucidus
- Antifungal and repellent activities of the essential oils from three aromatic herbs from western Himalaya
- Chemical composition and microbiological evaluation of essential oil from Hyssopus officinalis L. with white and pink flowers
- Bioassay-guided isolation and identification of Aedes aegypti larvicidal and biting deterrent compounds from Veratrum lobelianum
- α-Terpineol, a natural monoterpene: A review of its biological properties
- Utility of essential oils for development of host-based lures for Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae), vector of laurel wilt
- Phenolic composition and antioxidant potential of different organs of Kazakh Crataegus almaatensis Pojark: A comparison with the European Crataegus oxyacantha L. flowers
- Isolation of eudesmane type sesquiterpene ketone from Prangos heyniae H.Duman & M.F.Watson essential oil and mosquitocidal activity of the essential oils
- Comparative analysis of the polyphenols profiles and the antioxidant and cytotoxicity properties of various blue honeysuckle varieties
- Special Issue on ICCESEN 2017
- Modelling world energy security data from multinomial distribution by generalized linear model under different cumulative link functions
- Pine Cone and Boron Compounds Effect as Reinforcement on Mechanical and Flammability Properties of Polyester Composites
- Artificial Neural Network Modelling for Prediction of SNR Effected by Probe Properties on Ultrasonic Inspection of Austenitic Stainless Steel Weldments
- Calculation and 3D analyses of ERR in the band crack front contained in a rectangular plate made of multilayered material
- Improvement of fuel properties of biodiesel with bioadditive ethyl levulinate
- Properties of AlSi9Cu3 metal matrix micro and nano composites produced via stir casting
- Investigation of Antibacterial Properties of Ag Doped TiO2 Nanofibers Prepared by Electrospinning Process
- Modeling of Total Phenolic contents in Various Tea samples by Experimental Design Methods
- Nickel doping effect on the structural and optical properties of indium sulfide thin films by SILAR
- The effect mechanism of Ginnalin A as a homeopathic agent on various cancer cell lines
- Excitation functions of proton induced reactions of some radioisotopes used in medicine
- Oxide ionic conductivity and microstructures of Pr and Sm co-doped CeO2-based systems
- Rapid Synthesis of Metallic Reinforced in Situ Intermetallic Composites in Ti-Al-Nb System via Resistive Sintering
- Oxidation Behavior of NiCr/YSZ Thermal Barrier Coatings (TBCs)
- Clustering Analysis of Normal Strength Concretes Produced with Different Aggregate Types
- Magnetic Nano-Sized Solid Acid Catalyst Bearing Sulfonic Acid Groups for Biodiesel Synthesis
- The biological activities of Arabis alpina L. subsp. brevifolia (DC.) Cullen against food pathogens
- Humidity properties of Schiff base polymers
- Free Vibration Analysis of Fiber Metal Laminated Straight Beam
- Comparative study of in vitro antioxidant, acetylcholinesterase and butyrylcholinesterase activity of alfalfa (Medicago sativa L.) collected during different growth stages
- Isothermal Oxidation Behavior of Gadolinium Zirconate (Gd2Zr2O7) Thermal Barrier Coatings (TBCs) produced by Electron Beam Physical Vapor Deposition (EB-PVD) technique
- Optimization of Adsorption Parameters for Ultra-Fine Calcite Using a Box-Behnken Experimental Design
- The Microstructural Investigation of Vermiculite-Infiltrated Electron Beam Physical Vapor Deposition Thermal Barrier Coatings
- Modelling Porosity Permeability of Ceramic Tiles using Fuzzy Taguchi Method
- Experimental and theoretical study of a novel naphthoquinone Schiff base
- Physicochemical properties of heat treated sille stone for ceramic industry
- Sand Dune Characterization for Preparing Metallurgical Grade Silicon
- Catalytic Applications of Large Pore Sulfonic Acid-Functionalized SBA-15 Mesoporous Silica for Esterification
- One-photon Absorption Characterizations, Dipole Polarizabilities and Second Hyperpolarizabilities of Chlorophyll a and Crocin
- The Optical and Crystallite Characterization of Bilayer TiO2 Films Coated on Different ITO layers
- Topical Issue on Bond Activation
- Metal-mediated reactions towards the synthesis of a novel deaminolysed bisurea, dicarbamolyamine
- The structure of ortho-(trifluoromethyl)phenol in comparison to its homologues – A combined experimental and theoretical study
- Heterogeneous catalysis with encapsulated haem and other synthetic porphyrins: Harnessing the power of porphyrins for oxidation reactions
- Recent Advances on Mechanistic Studies on C–H Activation Catalyzed by Base Metals
- Reactions of the organoplatinum complex [Pt(cod) (neoSi)Cl] (neoSi = trimethylsilylmethyl) with the non-coordinating anions SbF6– and BPh4–
- Erratum
- Investigation on Two Compounds of O, O’-dithiophosphate Derivatives as Corrosion Inhibitors for Q235 Steel in Hydrochloric Acid Solution
Artikel in diesem Heft
- Regular Articles
- The effect of CuO modification for a TiO2 nanotube confined CeO2 catalyst on the catalytic combustion of butane
- The preparation and antibacterial activity of cellulose/ZnO composite: a review
- Linde Type A and nano magnetite/NaA zeolites: cytotoxicity and doxorubicin loading efficiency
- Performance and thermal decomposition analysis of foaming agent NPL-10 for use in heavy oil recovery by steam injection
- Spectroscopic (FT-IR, FT-Raman, UV, 1H and 13C NMR) insights, electronic profiling and DFT computations on ({(E)-[3-(1H-imidazol-1-yl)-1-phenylpropylidene] amino}oxy)(4-nitrophenyl)methanone, an imidazole-bearing anti-Candida agent
- A Simplistic Preliminary Assessment of Ginstling-Brounstein Model for Solid Spherical Particles in the Context of a Diffusion-Controlled Synthesis
- M-Polynomials And Topological Indices Of Zigzag And Rhombic Benzenoid Systems
- Photochemical Transformation of some 3-benzyloxy-2-(benzo[b]thiophen-2-yl)-4Hchromen-4-ones: A Remote Substituent Effect
- Dynamic Changes of Secondary Metabolites and Antioxidant Activity of Ligustrum lucidum During Fruit Growth
- Studies on the flammability of polypropylene/ammonium polyphosphate and montmorillonite by using the cone calorimeter test
- DSC, FT-IR, NIR, NIR-PCA and NIR-ANOVA for determination of chemical stability of diuretic drugs: impact of excipients
- Antioxidant and Hepatoprotective Effects of Methanolic Extracts of Zilla spinosa and Hammada elegans Against Carbon Tetrachlorideinduced Hepatotoxicity in Rats
- Prunus cerasifera Ehrh. fabricated ZnO nano falcates and its photocatalytic and dose dependent in vitro bio-activity
- Organic biocides hosted in layered double hydroxides: enhancing antimicrobial activity
- Experimental study on the regulation of the cholinergic pathway in renal macrophages by microRNA-132 to alleviate inflammatory response
- Synthesis, characterization, in-vitro antimicrobial properties, molecular docking and DFT studies of 3-{(E)-[(4,6-dimethylpyrimidin-2-yl)imino]methyl} naphthalen-2-ol and Heteroleptic Mn(II), Co(II), Ni(II) and Zn(II) complexes
- M-Polynomials and Topological Indices of Dominating David Derived Networks
- Human Health Risk Assessment of Trace Metals in Surface Water Due to Leachate from the Municipal Dumpsite by Pollution Index: A Case Study from Ndawuse River, Abuja, Nigeria
- Analysis of Bowel Diseases from Blood Serum by Autofluorescence and Atomic Force Microscopy Techniques
- Hydrographic parameters and distribution of dissolved Cu, Ni, Zn and nutrients near Jeddah desalination plant
- Relationships between diatoms and environmental variables in industrial water biotopes of Trzuskawica S.A. (Poland)
- Optimum Conversion of Major Ginsenoside Rb1 to Minor Ginsenoside Rg3(S) by Pulsed Electric Field-Assisted Acid Hydrolysis Treatment
- Antioxidant, Anti-microbial Properties and Chemical Composition of Cumin Essential Oils Extracted by Three Methods
- Regulatory mechanism of ulinastatin on autophagy of macrophages and renal tubular epithelial cells
- Investigation of the sustained-release mechanism of hydroxypropyl methyl cellulose skeleton type Acipimox tablets
- Bio-accumulation of Polycyclic Aromatic Hydrocarbons in the Grey Mangrove (Avicennia marina) along Arabian Gulf, Saudi Coast
- Dynamic Change of Secondary Metabolites and spectrum-effect relationship of Malus halliana Koehne flowers during blooming
- Lipids constituents from Gardenia aqualla Stapf & Hutch
- Effect of using microwaves for catalysts preparation on the catalytic acetalization of glycerol with furfural to obtain fuel additives
- Effect of Humic Acid on the Degradation of Methylene Blue by Peroxymonosulfate
- Serum containing drugs of Gua Lou Xie Bai decoction (GLXB-D) can inhibit TGF-β1-Induced Epithelial to Mesenchymal Transition (EMT) in A549 Cells
- Antiulcer Activity of Different Extracts of Anvillea garcinii and Isolation of Two New Secondary Metabolites
- Analysis of Metabolites in Cabernet Sauvignon and Shiraz Dry Red Wines from Shanxi by 1H NMR Spectroscopy Combined with Pattern Recognition Analysis
- Can water temperature impact litter decomposition under pollution of copper and zinc mixture
- Released from ZrO2/SiO2 coating resveratrol inhibits senescence and oxidative stress of human adipose-derived stem cells (ASC)
- Validated thin-layer chromatographic method for alternative and simultaneous determination of two anti-gout agents in their fixed dose combinations
- Fast removal of pollutants from vehicle emissions during cold-start stage
- Review Article
- Catalytic activities of heterogeneous catalysts obtained by copolymerization of metal-containing 2-(acetoacetoxy)ethyl methacrylate
- Antibiotic Residue in the Aquatic Environment: Status in Africa
- Regular Articles
- Mercury fractionation in gypsum using temperature desorption and mass spectrometric detection
- Phytosynthetic Ag doped ZnO nanoparticles: Semiconducting green remediators
- Epithelial–Mesenchymal Transition Induced by SMAD4 Activation in Invasive Growth Hormone-Secreting Adenomas
- Physicochemical properties of stabilized sewage sludge admixtures by modified steel slag
- In Vitro Cytotoxic and Antiproliferative Activity of Cydonia oblonga flower petals, leaf and fruit pellet ethanolic extracts. Docking simulation of the active flavonoids on anti-apoptotic protein Bcl-2
- Synthesis and Characterization of Pd exchanged MMT Clay for Mizoroki-Heck Reaction
- A new selective, and sensitive method for the determination of lixivaptan, a vasopressin 2 (V2)-receptor antagonist, in mouse plasma and its application in a pharmacokinetic study
- Anti-EGFL7 antibodies inhibit rat prolactinoma MMQ cells proliferation and PRL secretion
- Density functional theory calculations, vibration spectral analysis and molecular docking of the antimicrobial agent 6-(1,3-benzodioxol-5-ylmethyl)-5-ethyl-2-{[2-(morpholin-4-yl)ethyl] sulfanyl}pyrimidin-4(3H)-one
- Effect of Nano Zeolite on the Transformation of Cadmium Speciation and Its Uptake by Tobacco in Cadmium-contaminated Soil
- Effects and Mechanisms of Jinniu Capsule on Methamphetamine-Induced Conditioned Place Preference in Rats
- Calculating the Degree-based Topological Indices of Dendrimers
- Efficient optimization and mineralization of UV absorbers: A comparative investigation with Fenton and UV/H2O2
- Metabolites of Tryptophane and Phenylalanine as Markers of Small Bowel Ischemia-Reperfusion Injury
- Adsorption and determination of polycyclic aromatic hydrocarbons in water through the aggregation of graphene oxide
- The role of NR2C2 in the prolactinomas
- Chromium removal from industrial wastewater using Phyllostachys pubescens biomass loaded Cu-S nanospheres
- Hydrotalcite Anchored Ruthenium Catalyst for CO2 Hydrogenation Reaction
- Preparation of Calcium Fluoride using Phosphogypsum by Orthogonal Experiment
- The mechanism of antibacterial activity of corylifolinin against three clinical bacteria from Psoralen corylifolia L
- 2-formyl-3,6-bis(hydroxymethyl)phenyl benzoate in Electrochemical Dry Cell
- Electro-photocatalytic degradation of amoxicillin using calcium titanate
- Effect of Malus halliana Koehne Polysaccharides on Functional Constipation
- Structural Properties and Nonlinear Optical Responses of Halogenated Compounds: A DFT Investigation on Molecular Modelling
- DMFDMA catalyzed synthesis of 2-((Dimethylamino)methylene)-3,4-dihydro-9-arylacridin-1(2H)-ones and their derivatives: in-vitro antifungal, antibacterial and antioxidant evaluations
- Production of Methanol as a Fuel Energy from CO2 Present in Polluted Seawater - A Photocatalytic Outlook
- Study of different extraction methods on finger print and fatty acid of raw beef fat using fourier transform infrared and gas chromatography-mass spectrometry
- Determination of trace fluoroquinolones in water solutions and in medicinal preparations by conventional and synchronous fluorescence spectrometry
- Extraction and determination of flavonoids in Carthamus tinctorius
- Therapeutic Application of Zinc and Vanadium Complexes against Diabetes Mellitus a Coronary Disease: A review
- Study of calcined eggshell as potential catalyst for biodiesel formation using used cooking oil
- Manganese oxalates - structure-based Insights
- Topological Indices of H-Naphtalenic Nanosheet
- Long-Term Dissolution of Glass Fibers in Water Described by Dissolving Cylinder Zero-Order Kinetic Model: Mass Loss and Radius Reduction
- Topological study of the para-line graphs of certain pentacene via topological indices
- A brief insight into the prediction of water vapor transmissibility in highly impermeable hybrid nanocomposites based on bromobutyl/epichlorohydrin rubber blends
- Comparative sulfite assay by voltammetry using Pt electrodes, photometry and titrimetry: Application to cider, vinegar and sugar analysis
- MicroRNA delivery mediated by PEGylated polyethylenimine for prostate cancer therapy
- Reversible Fluorescent Turn-on Sensors for Fe3+ based on a Receptor Composed of Tri-oxygen Atoms of Amide Groups in Water
- Sonocatalytic degradation of methyl orange in aqueous solution using Fe-doped TiO2 nanoparticles under mechanical agitation
- Hydrotalcite Anchored Ruthenium Catalyst for CO2 Hydrogenation Reaction
- Production and Analysis of Recycled Ammonium Perrhenate from CMSX-4 superalloys
- Topical Issue on Agriculture
- New phosphorus biofertilizers from renewable raw materials in the aspect of cadmium and lead contents in soil and plants
- Survey of content of cadmium, calcium, chromium, copper, iron, lead, magnesium, manganese, mercury, sodium and zinc in chamomile and green tea leaves by electrothermal or flame atomizer atomic absorption spectrometry
- Biogas digestate – benefits and risks for soil fertility and crop quality – an evaluation of grain maize response
- A numerical analysis of heat transfer in a cross-current heat exchanger with controlled and newly designed air flows
- Freshwater green macroalgae as a biosorbent of Cr(III) ions
- The main influencing factors of soil mechanical characteristics of the gravity erosion environment in the dry-hot valley of Jinsha river
- Free amino acids in Viola tricolor in relation to different habitat conditions
- The influence of filler amount on selected properties of new experimental resin dental composite
- Effect of poultry wastewater irrigation on nitrogen, phosphorus and carbon contents in farmland soil
- Response of spring wheat to NPK and S fertilization. The content and uptake of macronutrients and the value of ionic ratios
- The Effect of Macroalgal Extracts and Near Infrared Radiation on Germination of Soybean Seedlings: Preliminary Research Results
- Content of Zn, Cd and Pb in purple moor-grass in soils heavily contaminated with heavy metals around a zinc and lead ore tailing landfill
- Topical Issue on Research for Natural Bioactive Products
- Synthesis of (±)-3,4-dimethoxybenzyl-4-methyloctanoate as a novel internal standard for capsinoid determination by HPLC-ESI-MS/MS(QTOF)
- Repellent activity of monoterpenoid esters with neurotransmitter amino acids against yellow fever mosquito, Aedes aegypti
- Effect of Flammulina velutipes (golden needle mushroom, eno-kitake) polysaccharides on constipation
- Bioassay-directed fractionation of a blood coagulation factor Xa inhibitor, betulinic acid from Lycopus lucidus
- Antifungal and repellent activities of the essential oils from three aromatic herbs from western Himalaya
- Chemical composition and microbiological evaluation of essential oil from Hyssopus officinalis L. with white and pink flowers
- Bioassay-guided isolation and identification of Aedes aegypti larvicidal and biting deterrent compounds from Veratrum lobelianum
- α-Terpineol, a natural monoterpene: A review of its biological properties
- Utility of essential oils for development of host-based lures for Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae), vector of laurel wilt
- Phenolic composition and antioxidant potential of different organs of Kazakh Crataegus almaatensis Pojark: A comparison with the European Crataegus oxyacantha L. flowers
- Isolation of eudesmane type sesquiterpene ketone from Prangos heyniae H.Duman & M.F.Watson essential oil and mosquitocidal activity of the essential oils
- Comparative analysis of the polyphenols profiles and the antioxidant and cytotoxicity properties of various blue honeysuckle varieties
- Special Issue on ICCESEN 2017
- Modelling world energy security data from multinomial distribution by generalized linear model under different cumulative link functions
- Pine Cone and Boron Compounds Effect as Reinforcement on Mechanical and Flammability Properties of Polyester Composites
- Artificial Neural Network Modelling for Prediction of SNR Effected by Probe Properties on Ultrasonic Inspection of Austenitic Stainless Steel Weldments
- Calculation and 3D analyses of ERR in the band crack front contained in a rectangular plate made of multilayered material
- Improvement of fuel properties of biodiesel with bioadditive ethyl levulinate
- Properties of AlSi9Cu3 metal matrix micro and nano composites produced via stir casting
- Investigation of Antibacterial Properties of Ag Doped TiO2 Nanofibers Prepared by Electrospinning Process
- Modeling of Total Phenolic contents in Various Tea samples by Experimental Design Methods
- Nickel doping effect on the structural and optical properties of indium sulfide thin films by SILAR
- The effect mechanism of Ginnalin A as a homeopathic agent on various cancer cell lines
- Excitation functions of proton induced reactions of some radioisotopes used in medicine
- Oxide ionic conductivity and microstructures of Pr and Sm co-doped CeO2-based systems
- Rapid Synthesis of Metallic Reinforced in Situ Intermetallic Composites in Ti-Al-Nb System via Resistive Sintering
- Oxidation Behavior of NiCr/YSZ Thermal Barrier Coatings (TBCs)
- Clustering Analysis of Normal Strength Concretes Produced with Different Aggregate Types
- Magnetic Nano-Sized Solid Acid Catalyst Bearing Sulfonic Acid Groups for Biodiesel Synthesis
- The biological activities of Arabis alpina L. subsp. brevifolia (DC.) Cullen against food pathogens
- Humidity properties of Schiff base polymers
- Free Vibration Analysis of Fiber Metal Laminated Straight Beam
- Comparative study of in vitro antioxidant, acetylcholinesterase and butyrylcholinesterase activity of alfalfa (Medicago sativa L.) collected during different growth stages
- Isothermal Oxidation Behavior of Gadolinium Zirconate (Gd2Zr2O7) Thermal Barrier Coatings (TBCs) produced by Electron Beam Physical Vapor Deposition (EB-PVD) technique
- Optimization of Adsorption Parameters for Ultra-Fine Calcite Using a Box-Behnken Experimental Design
- The Microstructural Investigation of Vermiculite-Infiltrated Electron Beam Physical Vapor Deposition Thermal Barrier Coatings
- Modelling Porosity Permeability of Ceramic Tiles using Fuzzy Taguchi Method
- Experimental and theoretical study of a novel naphthoquinone Schiff base
- Physicochemical properties of heat treated sille stone for ceramic industry
- Sand Dune Characterization for Preparing Metallurgical Grade Silicon
- Catalytic Applications of Large Pore Sulfonic Acid-Functionalized SBA-15 Mesoporous Silica for Esterification
- One-photon Absorption Characterizations, Dipole Polarizabilities and Second Hyperpolarizabilities of Chlorophyll a and Crocin
- The Optical and Crystallite Characterization of Bilayer TiO2 Films Coated on Different ITO layers
- Topical Issue on Bond Activation
- Metal-mediated reactions towards the synthesis of a novel deaminolysed bisurea, dicarbamolyamine
- The structure of ortho-(trifluoromethyl)phenol in comparison to its homologues – A combined experimental and theoretical study
- Heterogeneous catalysis with encapsulated haem and other synthetic porphyrins: Harnessing the power of porphyrins for oxidation reactions
- Recent Advances on Mechanistic Studies on C–H Activation Catalyzed by Base Metals
- Reactions of the organoplatinum complex [Pt(cod) (neoSi)Cl] (neoSi = trimethylsilylmethyl) with the non-coordinating anions SbF6– and BPh4–
- Erratum
- Investigation on Two Compounds of O, O’-dithiophosphate Derivatives as Corrosion Inhibitors for Q235 Steel in Hydrochloric Acid Solution
