Derivatives in discrete mathematics: a novel graph-theoretical invariant for generating new 2/3D molecular descriptors. I. Theory and QSPR application

In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative ( ) of a molecular graph (MG) with respect to a given event ( E ), to obtain a new family of...

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Veröffentlicht in:Journal of computer-aided molecular design Jg. 26; H. 11; S. 1229 - 1246
Hauptverfasser: Marrero-Ponce, Yovani, Santiago, Oscar Martínez, López, Yoan Martínez, Barigye, Stephen J., Torrens, Francisco
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Dordrecht Springer Netherlands 01.11.2012
Springer Nature B.V
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ISSN:0920-654X, 1573-4951, 1573-4951
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Abstract In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative ( ) of a molecular graph (MG) with respect to a given event ( E ), to obtain a new family of molecular descriptors (MDs). With this purpose, a new matrix representation of the MG, which generalizes graph’s theory’s traditional incidence matrix, is introduced. This matrix, denominated the generalized incidence matrix, Q , arises from the Boolean representation of molecular sub - graphs that participate in the formation of the graph molecular skeleton MG and could be complete (representing all possible connected sub-graphs) or constitute sub-graphs of determined orders or types as well as a combination of these. The Q matrix is a non-quadratic and unsymmetrical in nature, its columns ( n ) and rows ( m ) are conditions (letters) and collection of conditions (words) with which the event occurs. This non-quadratic and unsymmetrical matrix is transformed, by algebraic manipulation, to a quadratic and symmetric matrix known as relations frequency matrix , F , which characterizes the participation intensity of the conditions (letters) in the events (words) . With F , we calculate the derivative over a pair of atomic nuclei. The local index for the atomic nuclei i , Δ i , can therefore be obtained as a linear combination of all the pair derivatives of the atomic nuclei i with all the rest of the j′s atomic nuclei. Here, we also define new strategies that generalize the present form of obtaining global or local (group or atom-type) invariants from atomic contributions (local vertex invariants, LOVIs). In respect to this, metric (norms), means and statistical invariants are introduced. These invariants are applied to a vector whose components are the values Δ i for the atomic nuclei of the molecule or its fragments. Moreover, with the purpose of differentiating among different atoms, an atomic weighting scheme (atom-type labels) is used in the formation of the matrix Q or in LOVIs state. The obtained indices were utilized to describe the partition coefficient (Log P) and the reactivity index (Log K) of the 34 derivatives of 2-furylethylenes. In all the cases, our MDs showed better statistical results than those previously obtained using some of the most used families of MDs in chemometric practice. Therefore, it has been demonstrated to that the proposed MDs are useful in molecular design and permit obtaining easier and robust mathematical models than the majority of those reported in the literature. All this range of mentioned possibilities open “the doors” to the creation of a new family of MDs, using the graph derivative, and avail a new tool for QSAR/QSPR and molecular diversity/similarity studies.
AbstractList In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative ([Formula: see text]) of a molecular graph (MG) with respect to a given event (E), to obtain a new family of molecular descriptors (MDs). With this purpose, a new matrix representation of the MG, which generalizes graph's theory's traditional incidence matrix, is introduced. This matrix, denominated the generalized incidence matrix, Q, arises from the Boolean representation of molecular sub-graphs that participate in the formation of the graph molecular skeleton MG and could be complete (representing all possible connected sub-graphs) or constitute sub-graphs of determined orders or types as well as a combination of these. The Q matrix is a non-quadratic and unsymmetrical in nature, its columns (n) and rows (m) are conditions (letters) and collection of conditions (words) with which the event occurs. This non-quadratic and unsymmetrical matrix is transformed, by algebraic manipulation, to a quadratic and symmetric matrix known as relations frequency matrix, F, which characterizes the participation intensity of the conditions (letters) in the events (words). With F, we calculate the derivative over a pair of atomic nuclei. The local index for the atomic nuclei i, Δ(i), can therefore be obtained as a linear combination of all the pair derivatives of the atomic nuclei i with all the rest of the j's atomic nuclei. Here, we also define new strategies that generalize the present form of obtaining global or local (group or atom-type) invariants from atomic contributions (local vertex invariants, LOVIs). In respect to this, metric (norms), means and statistical invariants are introduced. These invariants are applied to a vector whose components are the values Δ(i) for the atomic nuclei of the molecule or its fragments. Moreover, with the purpose of differentiating among different atoms, an atomic weighting scheme (atom-type labels) is used in the formation of the matrix Q or in LOVIs state. The obtained indices were utilized to describe the partition coefficient (Log P) and the reactivity index (Log K) of the 34 derivatives of 2-furylethylenes. In all the cases, our MDs showed better statistical results than those previously obtained using some of the most used families of MDs in chemometric practice. Therefore, it has been demonstrated to that the proposed MDs are useful in molecular design and permit obtaining easier and robust mathematical models than the majority of those reported in the literature. All this range of mentioned possibilities open "the doors" to the creation of a new family of MDs, using the graph derivative, and avail a new tool for QSAR/QSPR and molecular diversity/similarity studies.In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative ([Formula: see text]) of a molecular graph (MG) with respect to a given event (E), to obtain a new family of molecular descriptors (MDs). With this purpose, a new matrix representation of the MG, which generalizes graph's theory's traditional incidence matrix, is introduced. This matrix, denominated the generalized incidence matrix, Q, arises from the Boolean representation of molecular sub-graphs that participate in the formation of the graph molecular skeleton MG and could be complete (representing all possible connected sub-graphs) or constitute sub-graphs of determined orders or types as well as a combination of these. The Q matrix is a non-quadratic and unsymmetrical in nature, its columns (n) and rows (m) are conditions (letters) and collection of conditions (words) with which the event occurs. This non-quadratic and unsymmetrical matrix is transformed, by algebraic manipulation, to a quadratic and symmetric matrix known as relations frequency matrix, F, which characterizes the participation intensity of the conditions (letters) in the events (words). With F, we calculate the derivative over a pair of atomic nuclei. The local index for the atomic nuclei i, Δ(i), can therefore be obtained as a linear combination of all the pair derivatives of the atomic nuclei i with all the rest of the j's atomic nuclei. Here, we also define new strategies that generalize the present form of obtaining global or local (group or atom-type) invariants from atomic contributions (local vertex invariants, LOVIs). In respect to this, metric (norms), means and statistical invariants are introduced. These invariants are applied to a vector whose components are the values Δ(i) for the atomic nuclei of the molecule or its fragments. Moreover, with the purpose of differentiating among different atoms, an atomic weighting scheme (atom-type labels) is used in the formation of the matrix Q or in LOVIs state. The obtained indices were utilized to describe the partition coefficient (Log P) and the reactivity index (Log K) of the 34 derivatives of 2-furylethylenes. In all the cases, our MDs showed better statistical results than those previously obtained using some of the most used families of MDs in chemometric practice. Therefore, it has been demonstrated to that the proposed MDs are useful in molecular design and permit obtaining easier and robust mathematical models than the majority of those reported in the literature. All this range of mentioned possibilities open "the doors" to the creation of a new family of MDs, using the graph derivative, and avail a new tool for QSAR/QSPR and molecular diversity/similarity studies.
In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative ([Formula: see text]) of a molecular graph (MG) with respect to a given event (E), to obtain a new family of molecular descriptors (MDs). With this purpose, a new matrix representation of the MG, which generalizes graph's theory's traditional incidence matrix, is introduced. This matrix, denominated the generalized incidence matrix, Q, arises from the Boolean representation of molecular sub-graphs that participate in the formation of the graph molecular skeleton MG and could be complete (representing all possible connected sub-graphs) or constitute sub-graphs of determined orders or types as well as a combination of these. The Q matrix is a non-quadratic and unsymmetrical in nature, its columns (n) and rows (m) are conditions (letters) and collection of conditions (words) with which the event occurs. This non-quadratic and unsymmetrical matrix is transformed, by algebraic manipulation, to a quadratic and symmetric matrix known as relations frequency matrix, F, which characterizes the participation intensity of the conditions (letters) in the events (words). With F, we calculate the derivative over a pair of atomic nuclei. The local index for the atomic nuclei i, Δ(i), can therefore be obtained as a linear combination of all the pair derivatives of the atomic nuclei i with all the rest of the j's atomic nuclei. Here, we also define new strategies that generalize the present form of obtaining global or local (group or atom-type) invariants from atomic contributions (local vertex invariants, LOVIs). In respect to this, metric (norms), means and statistical invariants are introduced. These invariants are applied to a vector whose components are the values Δ(i) for the atomic nuclei of the molecule or its fragments. Moreover, with the purpose of differentiating among different atoms, an atomic weighting scheme (atom-type labels) is used in the formation of the matrix Q or in LOVIs state. The obtained indices were utilized to describe the partition coefficient (Log P) and the reactivity index (Log K) of the 34 derivatives of 2-furylethylenes. In all the cases, our MDs showed better statistical results than those previously obtained using some of the most used families of MDs in chemometric practice. Therefore, it has been demonstrated to that the proposed MDs are useful in molecular design and permit obtaining easier and robust mathematical models than the majority of those reported in the literature. All this range of mentioned possibilities open "the doors" to the creation of a new family of MDs, using the graph derivative, and avail a new tool for QSAR/QSPR and molecular diversity/similarity studies.
(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative (...) of a molecular graph (MG) with respect to a given event (E), to obtain a new family of molecular descriptors (MDs). With this purpose, a new matrix representation of the MG, which generalizes graph's theory's traditional incidence matrix, is introduced. This matrix, denominated the generalized incidence matrix, Q, arises from the Boolean representation of molecular sub-graphs that participate in the formation of the graph molecular skeleton MG and could be complete (representing all possible connected sub-graphs) or constitute sub-graphs of determined orders or types as well as a combination of these. The Q matrix is a non-quadratic and unsymmetrical in nature, its columns (n) and rows (m) are conditions (letters) and collection of conditions (words) with which the event occurs. This non-quadratic and unsymmetrical matrix is transformed, by algebraic manipulation, to a quadratic and symmetric matrix known as relations frequency matrix, F, which characterizes the participation intensity of the conditions (letters) in the events (words). With F, we calculate the derivative over a pair of atomic nuclei. The local index for the atomic nuclei i, Δ^sub i^, can therefore be obtained as a linear combination of all the pair derivatives of the atomic nuclei i with all the rest of the j's atomic nuclei. Here, we also define new strategies that generalize the present form of obtaining global or local (group or atom-type) invariants from atomic contributions (local vertex invariants, LOVIs). In respect to this, metric (norms), means and statistical invariants are introduced. These invariants are applied to a vector whose components are the values Δ^sub i^ for the atomic nuclei of the molecule or its fragments. Moreover, with the purpose of differentiating among different atoms, an atomic weighting scheme (atom-type labels) is used in the formation of the matrix Q or in LOVIs state. The obtained indices were utilized to describe the partition coefficient (Log P) and the reactivity index (Log K) of the 34 derivatives of 2-furylethylenes. In all the cases, our MDs showed better statistical results than those previously obtained using some of the most used families of MDs in chemometric practice. Therefore, it has been demonstrated to that the proposed MDs are useful in molecular design and permit obtaining easier and robust mathematical models than the majority of those reported in the literature. All this range of mentioned possibilities open "the doors" to the creation of a new family of MDs, using the graph derivative, and avail a new tool for QSAR/QSPR and molecular diversity/similarity studies.[PUBLICATION ABSTRACT]
In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative ( ) of a molecular graph (MG) with respect to a given event ( E ), to obtain a new family of molecular descriptors (MDs). With this purpose, a new matrix representation of the MG, which generalizes graph’s theory’s traditional incidence matrix, is introduced. This matrix, denominated the generalized incidence matrix, Q , arises from the Boolean representation of molecular sub - graphs that participate in the formation of the graph molecular skeleton MG and could be complete (representing all possible connected sub-graphs) or constitute sub-graphs of determined orders or types as well as a combination of these. The Q matrix is a non-quadratic and unsymmetrical in nature, its columns ( n ) and rows ( m ) are conditions (letters) and collection of conditions (words) with which the event occurs. This non-quadratic and unsymmetrical matrix is transformed, by algebraic manipulation, to a quadratic and symmetric matrix known as relations frequency matrix , F , which characterizes the participation intensity of the conditions (letters) in the events (words) . With F , we calculate the derivative over a pair of atomic nuclei. The local index for the atomic nuclei i , Δ i , can therefore be obtained as a linear combination of all the pair derivatives of the atomic nuclei i with all the rest of the j′s atomic nuclei. Here, we also define new strategies that generalize the present form of obtaining global or local (group or atom-type) invariants from atomic contributions (local vertex invariants, LOVIs). In respect to this, metric (norms), means and statistical invariants are introduced. These invariants are applied to a vector whose components are the values Δ i for the atomic nuclei of the molecule or its fragments. Moreover, with the purpose of differentiating among different atoms, an atomic weighting scheme (atom-type labels) is used in the formation of the matrix Q or in LOVIs state. The obtained indices were utilized to describe the partition coefficient (Log P) and the reactivity index (Log K) of the 34 derivatives of 2-furylethylenes. In all the cases, our MDs showed better statistical results than those previously obtained using some of the most used families of MDs in chemometric practice. Therefore, it has been demonstrated to that the proposed MDs are useful in molecular design and permit obtaining easier and robust mathematical models than the majority of those reported in the literature. All this range of mentioned possibilities open “the doors” to the creation of a new family of MDs, using the graph derivative, and avail a new tool for QSAR/QSPR and molecular diversity/similarity studies.
In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the first time the use of the concept of the derivative ( $$ \partial $$ ) of a molecular graph (MG) with respect to a given event (E), to obtain a new family of molecular descriptors (MDs). With this purpose, a new matrix representation of the MG, which generalizes graph's theory's traditional incidence matrix, is introduced. This matrix, denominated the generalized incidence matrix, Q, arises from the Boolean representation of molecular sub-graphs that participate in the formation of the graph molecular skeleton MG and could be complete (representing all possible connected sub-graphs) or constitute sub-graphs of determined orders or types as well as a combination of these. The Q matrix is a non-quadratic and unsymmetrical in nature, its columns (n) and rows (m) are conditions (letters) and collection of conditions (words) with which the event occurs. This non-quadratic and unsymmetrical matrix is transformed, by algebraic manipulation, to a quadratic and symmetric matrix known as relations frequency matrix, F, which characterizes the participation intensity of the conditions (letters) in the events (words). With F, we calculate the derivative over a pair of atomic nuclei. The local index for the atomic nuclei i, Delta sub( )i can therefore be obtained as a linear combination of all the pair derivatives of the atomic nuclei i with all the rest of the j's atomic nuclei. Here, we also define new strategies that generalize the present form of obtaining global or local (group or atom-type) invariants from atomic contributions (local vertex invariants, LOVIs). In respect to this, metric (norms), means and statistical invariants are introduced. These invariants are applied to a vector whose components are the values Delta sub( )ifor the atomic nuclei of the molecule or its fragments. Moreover, with the purpose of differentiating among different atoms, an atomic weighting scheme (atom-type labels) is used in the formation of the matrix Q or in LOVIs state. The obtained indices were utilized to describe the partition coefficient (Log P) and the reactivity index (Log K) of the 34 derivatives of 2-furylethylenes. In all the cases, our MDs showed better statistical results than those previously obtained using some of the most used families of MDs in chemometric practice. Therefore, it has been demonstrated to that the proposed MDs are useful in molecular design and permit obtaining easier and robust mathematical models than the majority of those reported in the literature. All this range of mentioned possibilities open "the doors" to the creation of a new family of MDs, using the graph derivative, and avail a new tool for QSAR/QSPR and molecular diversity/similarity studies.
Author Torrens, Francisco
Barigye, Stephen J.
Marrero-Ponce, Yovani
Santiago, Oscar Martínez
López, Yoan Martínez
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  surname: Marrero-Ponce
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  organization: Unit of Computer-Aided Molecular “Biosilico” Discovery and Bioinformatic Research (CAMD-BIR Unit), Faculty of Chemistry-Pharmacy, Central University of Las Villas, Institut Universitari de Ciència Molecular, Universitat de València
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  givenname: Oscar Martínez
  surname: Santiago
  fullname: Santiago, Oscar Martínez
  organization: Unit of Computer-Aided Molecular “Biosilico” Discovery and Bioinformatic Research (CAMD-BIR Unit), Faculty of Chemistry-Pharmacy, Central University of Las Villas, Department of Chemical Science, Faculty of Chemistry-Pharmacy, Central University of Las Villas
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  givenname: Yoan Martínez
  surname: López
  fullname: López, Yoan Martínez
  organization: Unit of Computer-Aided Molecular “Biosilico” Discovery and Bioinformatic Research (CAMD-BIR Unit), Faculty of Chemistry-Pharmacy, Central University of Las Villas, Department of Computer Sciences, Faculty of Informatics, Camaguey University
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  givenname: Stephen J.
  surname: Barigye
  fullname: Barigye, Stephen J.
  organization: Unit of Computer-Aided Molecular “Biosilico” Discovery and Bioinformatic Research (CAMD-BIR Unit), Faculty of Chemistry-Pharmacy, Central University of Las Villas
– sequence: 5
  givenname: Francisco
  surname: Torrens
  fullname: Torrens, Francisco
  organization: Institut Universitari de Ciència Molecular, Universitat de València
BackLink https://www.ncbi.nlm.nih.gov/pubmed/23124489$$D View this record in MEDLINE/PubMed
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1573-4951
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IsPeerReviewed true
IsScholarly true
Issue 11
Keywords Invariant
QSPR study
Molecular graph
Sub-graph
Physicochemical property
Frequency matrix
Discrete mathematics
Derivatives of 2-furylethylene
Derivative of molecular graph
Chemical graph theory
Incidence matrix
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  year: 2012
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PublicationSubtitle Incorporating Perspectives in Drug Discovery and Design
PublicationTitle Journal of computer-aided molecular design
PublicationTitleAbbrev J Comput Aided Mol Des
PublicationTitleAlternate J Comput Aided Mol Des
PublicationYear 2012
Publisher Springer Netherlands
Springer Nature B.V
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RandicMHansenPJJursPCJChem Inf Comput Sci1988286010.1021/ci00058a0041:CAS:528:DyaL1cXitVeqtrY%3D
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Gugisch R, Kerber A, Laue R, Meringer M, Weidinger J University of Bayreuth, D-95440 Bayreuth, Germany
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– reference: RandićMTrinajstićNJMol Struct (Theochem)1993300551
– reference: KatritzkyARPerumalSPetrukhinRKleinpeterEJ Chem Inf Comput Sci20014156910.1021/ci000099t1:CAS:528:DC%2BD3cXoslGqtro%3D
– reference: Marrero-Ponce Y (2002) version 1.0 ed., Unit of computer-aided molecular “Biosilico” Discovery and Bioinformatic Research (CAMD-BIR Unit): Santa Clara, Villa Clara
– reference: StankevichVSkvortsovaMIZefirovNSJMol Struct (THEOCHEM)199534217310.1016/0166-1280(95)90111-61:CAS:528:DyaK2MXptlGjurY%3D
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– reference: EstradaEUriarteECurr Med Chem20018157310.2174/09298670133719231:CAS:528:DC%2BD3MXosV2gtbg%3D
– reference: EstradaEMolinaEJ Mol Graph Model2001205410.1016/S1093-3263(01)00100-01:CAS:528:DC%2BD3MXntlyjtbs%3D
– reference: EstradaEChem Phys Lett200133624810.1016/S0009-2614(01)00127-01:CAS:528:DC%2BD3MXitVOgsr4%3D
– reference: KierLBHallLHJ Mol Graph Model2001207610.1016/S1093-3263(01)00102-41:CAS:528:DC%2BD3MXntlyjtbk%3D
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– reference: GolbraikhABonchevDTropshaAJ Chem Inf Comput Sci20014114710.1021/ci000082a1:CAS:528:DC%2BD3MXmtFSj
– reference: TodeschiniRConsonniVMATCH Commun. Math. Comput. Chem2010643591:CAS:528:DC%2BC3cXhsVeku77I
– reference: KierLBHallLHMolecular connectivity in structure—activity analysis1986LetchworthResearch Studies Press
– reference: Gorbátov VA (1988) Fundamentos de la Matematica discreta, Mir, Moscow, URSS
– reference: DaudelRLefebreRMoserCQuantum chemistry: methods and applications1984New YorkWiley
– reference: GoldbergDEGenetic algorithms1989ReadingAddison Wesley
– reference: GalvezJJMol Struct (THEOCHEM)199842925510.1016/S0166-1280(97)00366-71:CAS:528:DyaK1cXitVKquro%3D
– reference: IvanciucOGasteigerJEd2003WeinheimWiley-VCH103
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– reference: EstradaEMolinaEJ Chem Inf Comput Sci20014179110.1021/ci000156i1:CAS:528:DC%2BD3MXhvV2lurs%3D
– reference: DoreJCVielCFarmaco197530811:CAS:528:DyaE2MXktVShtrk%3D
– reference: Todeschini R, Consonni V, Mauri A, Pavan M (2005) 1.0 ed., Talete, Milano
– reference: EstradaERodríguezLGutierrezACommun Math Chem (MATCH)1997351451:CAS:528:DyaK2sXjsFSqsLY%3D
– reference: RogersDHopfingerAJJChem Inf Comput Sci19943485410.1021/ci00020a0201:CAS:528:DyaK2cXkslejt7s%3D
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– reference: KierLBHallLHJChem Inf Comput Sci20004079210.1021/ci990135s1:CAS:528:DC%2BD3cXhslensbY%3D
– reference: EstradaERodríguezLComm Math Chem (MATCH)1997351571:CAS:528:DyaK2sXjsFSqsLc%3D
– reference: EstradaEJPhys Chem A2002106908510.1021/jp026238m1:CAS:528:DC%2BD38XmsVOisr4%3D
– reference: Marrero-PonceYCastillo-GaritJACastroEATorrensFRotondoRJMath. Chem.2008
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Snippet In this report, we present a new mathematical approach for describing chemical structures of organic molecules at atomic-molecular level, proposing for the...
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SubjectTerms Animal Anatomy
Atomic properties
Atoms & subatomic particles
Chemistry
Chemistry and Materials Science
Computer Applications in Chemistry
Computer Simulation
Derivatives
Drug Design
Graph theory
Graphs
Histology
Incidence
Invariants
Mathematical models
Mathematics
Models, Chemical
Models, Theoretical
Molecular chemistry
Molecular structure
Morphology
Nuclei
Organic Chemicals - chemistry
Organic Chemicals - pharmacology
Physical Chemistry
Quantitative Structure-Activity Relationship
Three dimensional
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Title Derivatives in discrete mathematics: a novel graph-theoretical invariant for generating new 2/3D molecular descriptors. I. Theory and QSPR application
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