Aleksić, Mirjana

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  • Aleksić, Mirjana (6)
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Estimation of angiotensin-converting enzyme inhibitors protein binding degree using chromatographic hydrophobicity data

Trbojević-Stanković, Jasna; Aleksić, Mirjana; Odović, Jadranka

(Srpsko lekarsko društvo, Beograd, 2015)

TY  - JOUR
AU  - Trbojević-Stanković, Jasna
AU  - Aleksić, Mirjana
AU  - Odović, Jadranka
PY  - 2015
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/2485
AB  - Introduction Angiotensin-converting enzyme (ACE) inhibitors represent a significant group of drugs primarily used in the treatment of hypertension and congestive heart failure. Objective Selected ACE inhibitors (enalapril, quinapril, fosinopril, lisinopril, cilazapril) were studied in order to establish a fast and easy estimation method of their plasma protein binding degree based on their lipophilicity data. Methods Chromatographic hydrophobicity data (parameter C0) were obtained on cellulose layers under conditions of normal-phase thin-layer chromatography (NPTLC), using different binary solvent systems. The ACE inhibitors lipophilicity descriptors (logP) values were calculated using the software package Virtual Computational Chemistry Laboratory. The ACE inhibitors plasma protein binding data were collected from relevant literature. Results ACE inhibitors protein binding data varied from negligible (lisinopril) to 99% (fosinopril). The calculated lipophilicity descriptors, logPKOWWIN values ranged from -0.94 (lisinopril) to 6.61 (fosinopril). Good correlations were established between plasma protein binding values and calculated logPKOWWIN values (R2=0.8026) as well as chromatographic hydrophobicity data, C0 parameters (R2=0.7662). Even though good correlation coefficients (R2) were obtained in both relations, unacceptable probability value with p>0.05 was found in relation between protein binding data and calculated logPKOWWIN values. Subsequently, taking into consideration the request for probability value lower than 0.05, a better relationship was observed between protein binding data and chromatographically obtained hydrophobicity parameters C0 values. Conclusion Cellulose layers are easily available and cost effective sorbent to assess hydrophobicity. Experimentally obtained data on ACE inhibitors hydrophobicity and plasma protein binding estimation are important parameters in evaluating bioavailability of these drugs.
AB  - Uvod Inhibitori angiotenzin-konvertujućeg enzima (ACE) su velika grupa lekova izuzetno značajna u lečenju hipertenzije. Cilj rada Analizirani su izabrani ASE-inhibitori (enalapril, kvinapril, fozinopril, lizinopril, cilazapril) radi postavljanja novog pristupa pogodnog za brzu i jednostavnu procenu vezivanja za proteine plazme na osnovu njihovih parametara lipofilnosti. Metode rada Hromatografski parametri hidrofobnosti (vrednosti C0) dobijeni su u uslovima normalnofazne hromatografije (NPTLC) na tankom sloju celuloze, uz korišćenje dvokomponentnih mobilnih faza. Vrednosti parametara lipofilnosti ACE-inhibitora (logP) izračunate su pomoću softverskog paketa Virtual Computational Chemistry Laboratory. Podaci o procentu vezivanja ACE-inhibitora za proteine plazme preuzeti su iz odgovarajuće literature. Rezultati Procenat vezivanja za proteine plazme ispitivanih ASE-inhibitora bio je u opsegu od 0% (lizinopril) do 99% (fozinopril), dok su vrednosti izračunatih parametara lipofilnosti (vrednosti logP KOWWIN) bile od -0,94 (lizinopril) do 6,61 (fozinopril). Dobijene su zadovoljavajuće korelacije između vrednosti vezivanja ASE- inhibitora za proteine plazme i izračunatih logP KOWWIN vrednosti (koeficijent korelacije R2 bio je 0,8026), kao i hromatografski dobijenih parametara hidrofobnosti, C0 (R2=0,7662). Iako su zadovoljavajući koeficijenti korelacije dobijeni u obe relacije, neprihvatljive vrednosti verovatnoće (p>0,05) dobijene su za zavisnost između vrednosti vezivanja ASE-inhibitora za proteine plazme i izračunatih logP KOWWIN vrednosti. Stoga se, uzimajući u obzir zahtev da vrednosti verovatnoće budu niže od 0,05, boljom može smatrati zavisnost između vrednosti vezivanja ASE-inhibitora za proteine plazme i hromatografski dobijenih parametara hidrofobnosti. Zaključak Primena hidrofobnih parametara ASE-inhibitora eksperimentalno dobijenih u uslovima normalnofazne hromatografije na tankom sloju celuloze za procenu stepena njihovog vezivanja za proteine plazme značajna je za razvoj i ispitivanje lekova ove grupe i procenu njihove bioraspoloživosti.
PB  - Srpsko lekarsko društvo, Beograd
T2  - Srpski arhiv za celokupno lekarstvo
T1  - Estimation of angiotensin-converting enzyme inhibitors protein binding degree using chromatographic hydrophobicity data
T1  - Procena stepena vezivanja inhibitora angiotenzin-konvertujućeg enzima za proteine plazme primenom hromatografski dobijenih parametara hidrofobnosti
VL  - 143
IS  - 1-2
SP  - 50
EP  - 55
DO  - 10.2298/SARH1502050T
ER  - 
@article{
author = "Trbojević-Stanković, Jasna and Aleksić, Mirjana and Odović, Jadranka",
year = "2015",
abstract = "Introduction Angiotensin-converting enzyme (ACE) inhibitors represent a significant group of drugs primarily used in the treatment of hypertension and congestive heart failure. Objective Selected ACE inhibitors (enalapril, quinapril, fosinopril, lisinopril, cilazapril) were studied in order to establish a fast and easy estimation method of their plasma protein binding degree based on their lipophilicity data. Methods Chromatographic hydrophobicity data (parameter C0) were obtained on cellulose layers under conditions of normal-phase thin-layer chromatography (NPTLC), using different binary solvent systems. The ACE inhibitors lipophilicity descriptors (logP) values were calculated using the software package Virtual Computational Chemistry Laboratory. The ACE inhibitors plasma protein binding data were collected from relevant literature. Results ACE inhibitors protein binding data varied from negligible (lisinopril) to 99% (fosinopril). The calculated lipophilicity descriptors, logPKOWWIN values ranged from -0.94 (lisinopril) to 6.61 (fosinopril). Good correlations were established between plasma protein binding values and calculated logPKOWWIN values (R2=0.8026) as well as chromatographic hydrophobicity data, C0 parameters (R2=0.7662). Even though good correlation coefficients (R2) were obtained in both relations, unacceptable probability value with p>0.05 was found in relation between protein binding data and calculated logPKOWWIN values. Subsequently, taking into consideration the request for probability value lower than 0.05, a better relationship was observed between protein binding data and chromatographically obtained hydrophobicity parameters C0 values. Conclusion Cellulose layers are easily available and cost effective sorbent to assess hydrophobicity. Experimentally obtained data on ACE inhibitors hydrophobicity and plasma protein binding estimation are important parameters in evaluating bioavailability of these drugs., Uvod Inhibitori angiotenzin-konvertujućeg enzima (ACE) su velika grupa lekova izuzetno značajna u lečenju hipertenzije. Cilj rada Analizirani su izabrani ASE-inhibitori (enalapril, kvinapril, fozinopril, lizinopril, cilazapril) radi postavljanja novog pristupa pogodnog za brzu i jednostavnu procenu vezivanja za proteine plazme na osnovu njihovih parametara lipofilnosti. Metode rada Hromatografski parametri hidrofobnosti (vrednosti C0) dobijeni su u uslovima normalnofazne hromatografije (NPTLC) na tankom sloju celuloze, uz korišćenje dvokomponentnih mobilnih faza. Vrednosti parametara lipofilnosti ACE-inhibitora (logP) izračunate su pomoću softverskog paketa Virtual Computational Chemistry Laboratory. Podaci o procentu vezivanja ACE-inhibitora za proteine plazme preuzeti su iz odgovarajuće literature. Rezultati Procenat vezivanja za proteine plazme ispitivanih ASE-inhibitora bio je u opsegu od 0% (lizinopril) do 99% (fozinopril), dok su vrednosti izračunatih parametara lipofilnosti (vrednosti logP KOWWIN) bile od -0,94 (lizinopril) do 6,61 (fozinopril). Dobijene su zadovoljavajuće korelacije između vrednosti vezivanja ASE- inhibitora za proteine plazme i izračunatih logP KOWWIN vrednosti (koeficijent korelacije R2 bio je 0,8026), kao i hromatografski dobijenih parametara hidrofobnosti, C0 (R2=0,7662). Iako su zadovoljavajući koeficijenti korelacije dobijeni u obe relacije, neprihvatljive vrednosti verovatnoće (p>0,05) dobijene su za zavisnost između vrednosti vezivanja ASE-inhibitora za proteine plazme i izračunatih logP KOWWIN vrednosti. Stoga se, uzimajući u obzir zahtev da vrednosti verovatnoće budu niže od 0,05, boljom može smatrati zavisnost između vrednosti vezivanja ASE-inhibitora za proteine plazme i hromatografski dobijenih parametara hidrofobnosti. Zaključak Primena hidrofobnih parametara ASE-inhibitora eksperimentalno dobijenih u uslovima normalnofazne hromatografije na tankom sloju celuloze za procenu stepena njihovog vezivanja za proteine plazme značajna je za razvoj i ispitivanje lekova ove grupe i procenu njihove bioraspoloživosti.",
publisher = "Srpsko lekarsko društvo, Beograd",
journal = "Srpski arhiv za celokupno lekarstvo",
title = "Estimation of angiotensin-converting enzyme inhibitors protein binding degree using chromatographic hydrophobicity data, Procena stepena vezivanja inhibitora angiotenzin-konvertujućeg enzima za proteine plazme primenom hromatografski dobijenih parametara hidrofobnosti",
volume = "143",
number = "1-2",
pages = "50-55",
doi = "10.2298/SARH1502050T"
}
Trbojević-Stanković, J., Aleksić, M.,& Odović, J.. (2015). Estimation of angiotensin-converting enzyme inhibitors protein binding degree using chromatographic hydrophobicity data. in Srpski arhiv za celokupno lekarstvo
Srpsko lekarsko društvo, Beograd., 143(1-2), 50-55.
https://doi.org/10.2298/SARH1502050T
Trbojević-Stanković J, Aleksić M, Odović J. Estimation of angiotensin-converting enzyme inhibitors protein binding degree using chromatographic hydrophobicity data. in Srpski arhiv za celokupno lekarstvo. 2015;143(1-2):50-55.
doi:10.2298/SARH1502050T .
Trbojević-Stanković, Jasna, Aleksić, Mirjana, Odović, Jadranka, "Estimation of angiotensin-converting enzyme inhibitors protein binding degree using chromatographic hydrophobicity data" in Srpski arhiv za celokupno lekarstvo, 143, no. 1-2 (2015):50-55,
https://doi.org/10.2298/SARH1502050T . .
2
1

Normal-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their metabolites

Odović, Jadranka; Aleksić, Mirjana; Stojimirović, Biljana; Milojković-Opsenica, Dušanka; Tešić, Živoslav

(Srpsko hemijsko društvo, Beograd, 2009)

TY  - JOUR
AU  - Odović, Jadranka
AU  - Aleksić, Mirjana
AU  - Stojimirović, Biljana
AU  - Milojković-Opsenica, Dušanka
AU  - Tešić, Živoslav
PY  - 2009
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/1294
AB  - The separation and chromatographic behaviour of five ACE (angiotensin converting enzyme) inhibitors and their four active metabolites were investigated by normal-phase thin-layer chromatography on silica using several mono- and binary non-aqueous solvent systems. The linear relationship between the RM values and the composition of employed mobile phase was obtained. The hydrophobicity parameters 0M R and C0 were determined from the regression data of the plots, analogous to reversed-phase chromatography. The chromatographically obtained hydrophobicity parameters were correlated with the calculated log P values. The current results were correlated with the lipophilicity of the studied ACE inhibitors and their metabolites, previously estimated by reversed-phase chromatography.
AB  - Hromatografsko razdvajanje I ponašanje pet ASE inhibitora (inhibitora angio-tenzin-konvertujućeg enzima) I njihova četiri aktivna metabolita ispitivano je metodom normalno-fazne tankoslojne hromatografije na silika-gelu primenom nekoliko jedno- I dvo-komponentnih nevodenih sistema rastvarača. Dobijena je linearna zavisnost između RM-vrednosti I koncentracije etanola u mobilnoj fazi. Na osnovu odgovarajućih regresionih podataka, po analogiji sa reverzno-faznom hromatografijom, izračunati su parametri lipofilnosti 0M R I C0. Hromatografski dobijeni parametri hidrofobnosti korelisani su sa izračunatim log P vrednostima. Takođe, 0M R -vrednosti dobijene u ovom radu korelisane su sa 0M R -vrednostima dobijenim metodom reverzno-fazne tankoslojne hromatografije.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Normal-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their metabolites
T1  - Normalno-fazna tankoslojna hromatografija nekih ACE inhibitora i njihovih metabolita
VL  - 74
IS  - 6
SP  - 677
EP  - 688
DO  - 10.2298/JSC0906677O
ER  - 
@article{
author = "Odović, Jadranka and Aleksić, Mirjana and Stojimirović, Biljana and Milojković-Opsenica, Dušanka and Tešić, Živoslav",
year = "2009",
abstract = "The separation and chromatographic behaviour of five ACE (angiotensin converting enzyme) inhibitors and their four active metabolites were investigated by normal-phase thin-layer chromatography on silica using several mono- and binary non-aqueous solvent systems. The linear relationship between the RM values and the composition of employed mobile phase was obtained. The hydrophobicity parameters 0M R and C0 were determined from the regression data of the plots, analogous to reversed-phase chromatography. The chromatographically obtained hydrophobicity parameters were correlated with the calculated log P values. The current results were correlated with the lipophilicity of the studied ACE inhibitors and their metabolites, previously estimated by reversed-phase chromatography., Hromatografsko razdvajanje I ponašanje pet ASE inhibitora (inhibitora angio-tenzin-konvertujućeg enzima) I njihova četiri aktivna metabolita ispitivano je metodom normalno-fazne tankoslojne hromatografije na silika-gelu primenom nekoliko jedno- I dvo-komponentnih nevodenih sistema rastvarača. Dobijena je linearna zavisnost između RM-vrednosti I koncentracije etanola u mobilnoj fazi. Na osnovu odgovarajućih regresionih podataka, po analogiji sa reverzno-faznom hromatografijom, izračunati su parametri lipofilnosti 0M R I C0. Hromatografski dobijeni parametri hidrofobnosti korelisani su sa izračunatim log P vrednostima. Takođe, 0M R -vrednosti dobijene u ovom radu korelisane su sa 0M R -vrednostima dobijenim metodom reverzno-fazne tankoslojne hromatografije.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Normal-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their metabolites, Normalno-fazna tankoslojna hromatografija nekih ACE inhibitora i njihovih metabolita",
volume = "74",
number = "6",
pages = "677-688",
doi = "10.2298/JSC0906677O"
}
Odović, J., Aleksić, M., Stojimirović, B., Milojković-Opsenica, D.,& Tešić, Ž.. (2009). Normal-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their metabolites. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 74(6), 677-688.
https://doi.org/10.2298/JSC0906677O
Odović J, Aleksić M, Stojimirović B, Milojković-Opsenica D, Tešić Ž. Normal-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their metabolites. in Journal of the Serbian Chemical Society. 2009;74(6):677-688.
doi:10.2298/JSC0906677O .
Odović, Jadranka, Aleksić, Mirjana, Stojimirović, Biljana, Milojković-Opsenica, Dušanka, Tešić, Živoslav, "Normal-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their metabolites" in Journal of the Serbian Chemical Society, 74, no. 6 (2009):677-688,
https://doi.org/10.2298/JSC0906677O . .
16
16
17

Angiotensin - converting enzyme inhibitors: Basic pharmacological properties and determination methods

Odović, Jadranka; Aleksić, Mirjana; Trbojević-Stanković, Jasna

(Savez farmaceutskih udruženja Srbije, Beograd, 2009)

TY  - JOUR
AU  - Odović, Jadranka
AU  - Aleksić, Mirjana
AU  - Trbojević-Stanković, Jasna
PY  - 2009
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/1301
AB  - Angiotensin-converting enzyme inhibitors (ACE inhibitors) lower blood pressure, reduce morbidity and mortality in patients with heart failure, decrease mortality and the incidence of heart failure in patients with myocardial infarction and preserve kidney function in diabetic and non-diabetic patients. Even though they belong to the same group of drugs and have similar efficacy, ACE inhibitors exhibit different pharmacological characteristics. Furthermore, different methods for their determination are used in practice.
AB  - Inhibitori angiotenzin - konvertujućeg enzima (ACE inhibitori) su lekovi izbora u lečenju hipertenzije, što ih svrstava među najčešće propisivane lekove u praksi. Primenjuju se i u lečenju srčane insuficijencije, infarkta miokarda i bubrežne slabosti dijabetesne i nedijabetesne etiologije. Iako pripadaju istoj grupi lekova i pokazuju sličnu kliničku efikasnost, pojedini ACE inhibitori imaju različite farmakološke osobine, a u praksi se koriste različite metode za njihovo određivanje.
PB  - Savez farmaceutskih udruženja Srbije, Beograd
T2  - Arhiv za farmaciju
T1  - Angiotensin - converting enzyme inhibitors: Basic pharmacological properties and determination methods
T1  - Inhibitori angiotenzin - konvertujućeg enzima - osnovne farmakološke osobine i metode određivanja
VL  - 59
IS  - 1
SP  - 27
EP  - 39
UR  - https://hdl.handle.net/21.15107/rcub_farfar_1301
ER  - 
@article{
author = "Odović, Jadranka and Aleksić, Mirjana and Trbojević-Stanković, Jasna",
year = "2009",
abstract = "Angiotensin-converting enzyme inhibitors (ACE inhibitors) lower blood pressure, reduce morbidity and mortality in patients with heart failure, decrease mortality and the incidence of heart failure in patients with myocardial infarction and preserve kidney function in diabetic and non-diabetic patients. Even though they belong to the same group of drugs and have similar efficacy, ACE inhibitors exhibit different pharmacological characteristics. Furthermore, different methods for their determination are used in practice., Inhibitori angiotenzin - konvertujućeg enzima (ACE inhibitori) su lekovi izbora u lečenju hipertenzije, što ih svrstava među najčešće propisivane lekove u praksi. Primenjuju se i u lečenju srčane insuficijencije, infarkta miokarda i bubrežne slabosti dijabetesne i nedijabetesne etiologije. Iako pripadaju istoj grupi lekova i pokazuju sličnu kliničku efikasnost, pojedini ACE inhibitori imaju različite farmakološke osobine, a u praksi se koriste različite metode za njihovo određivanje.",
publisher = "Savez farmaceutskih udruženja Srbije, Beograd",
journal = "Arhiv za farmaciju",
title = "Angiotensin - converting enzyme inhibitors: Basic pharmacological properties and determination methods, Inhibitori angiotenzin - konvertujućeg enzima - osnovne farmakološke osobine i metode određivanja",
volume = "59",
number = "1",
pages = "27-39",
url = "https://hdl.handle.net/21.15107/rcub_farfar_1301"
}
Odović, J., Aleksić, M.,& Trbojević-Stanković, J.. (2009). Angiotensin - converting enzyme inhibitors: Basic pharmacological properties and determination methods. in Arhiv za farmaciju
Savez farmaceutskih udruženja Srbije, Beograd., 59(1), 27-39.
https://hdl.handle.net/21.15107/rcub_farfar_1301
Odović J, Aleksić M, Trbojević-Stanković J. Angiotensin - converting enzyme inhibitors: Basic pharmacological properties and determination methods. in Arhiv za farmaciju. 2009;59(1):27-39.
https://hdl.handle.net/21.15107/rcub_farfar_1301 .
Odović, Jadranka, Aleksić, Mirjana, Trbojević-Stanković, Jasna, "Angiotensin - converting enzyme inhibitors: Basic pharmacological properties and determination methods" in Arhiv za farmaciju, 59, no. 1 (2009):27-39,
https://hdl.handle.net/21.15107/rcub_farfar_1301 .

The chromatography methods: High performance liquid chromatography and thin layer chromatography

Odović, Jadranka; Aleksić, Mirjana; Trbojević-Stanković, Jasna

(Srpsko hemijsko društvo, Beograd, 2008)

TY  - JOUR
AU  - Odović, Jadranka
AU  - Aleksić, Mirjana
AU  - Trbojević-Stanković, Jasna
PY  - 2008
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/1149
AB  - Chromatographic methods represent the most frequently used methods in both qualitative and quantitative studies of various samples. High performance and thin layer chromatography have important place among these methods. They are widely applied in many scientific and technological researches. The choice of specific chromatographic method depends on the type of research, and sometimes two or more methods are combined. The main features, advantages and disadvantages of the two most widely used chromatographic methods has been discussed in this short presentation.
AB  - Hromatografske metode se danas često primenjuju kako u kvalitativnim tako i u kvantitativnim ispitivanjima različitih uzoraka. Među njima značajno mesto zauzimaju visoko-efikasna tečna i tankoslojna hromatografija koje se često takmiče u mogućnostima svoje primene. Izbor hromatografske metode u raznim oblastima nauke i tehnologije (medicina, farmaceutska industrija, industrija hrane, kozmetologija, ekologija) najviše zavisi od problema koji treba rešiti, pri čemu često jedna metoda nije dovoljna već je potrebno kombinovati različite hromatografske tehnike.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Hemijski pregled
T1  - The chromatography methods: High performance liquid chromatography and thin layer chromatography
T1  - Hromatografske metode - visoko-efikasna tečna i tankoslojna hromatografija
VL  - 49
IS  - 4
SP  - 84
EP  - 87
UR  - https://hdl.handle.net/21.15107/rcub_farfar_1149
ER  - 
@article{
author = "Odović, Jadranka and Aleksić, Mirjana and Trbojević-Stanković, Jasna",
year = "2008",
abstract = "Chromatographic methods represent the most frequently used methods in both qualitative and quantitative studies of various samples. High performance and thin layer chromatography have important place among these methods. They are widely applied in many scientific and technological researches. The choice of specific chromatographic method depends on the type of research, and sometimes two or more methods are combined. The main features, advantages and disadvantages of the two most widely used chromatographic methods has been discussed in this short presentation., Hromatografske metode se danas često primenjuju kako u kvalitativnim tako i u kvantitativnim ispitivanjima različitih uzoraka. Među njima značajno mesto zauzimaju visoko-efikasna tečna i tankoslojna hromatografija koje se često takmiče u mogućnostima svoje primene. Izbor hromatografske metode u raznim oblastima nauke i tehnologije (medicina, farmaceutska industrija, industrija hrane, kozmetologija, ekologija) najviše zavisi od problema koji treba rešiti, pri čemu često jedna metoda nije dovoljna već je potrebno kombinovati različite hromatografske tehnike.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Hemijski pregled",
title = "The chromatography methods: High performance liquid chromatography and thin layer chromatography, Hromatografske metode - visoko-efikasna tečna i tankoslojna hromatografija",
volume = "49",
number = "4",
pages = "84-87",
url = "https://hdl.handle.net/21.15107/rcub_farfar_1149"
}
Odović, J., Aleksić, M.,& Trbojević-Stanković, J.. (2008). The chromatography methods: High performance liquid chromatography and thin layer chromatography. in Hemijski pregled
Srpsko hemijsko društvo, Beograd., 49(4), 84-87.
https://hdl.handle.net/21.15107/rcub_farfar_1149
Odović J, Aleksić M, Trbojević-Stanković J. The chromatography methods: High performance liquid chromatography and thin layer chromatography. in Hemijski pregled. 2008;49(4):84-87.
https://hdl.handle.net/21.15107/rcub_farfar_1149 .
Odović, Jadranka, Aleksić, Mirjana, Trbojević-Stanković, Jasna, "The chromatography methods: High performance liquid chromatography and thin layer chromatography" in Hemijski pregled, 49, no. 4 (2008):84-87,
https://hdl.handle.net/21.15107/rcub_farfar_1149 .

Reversed-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their active metabolites

Odović, Jadranka; Stojimirović, Biljana; Aleksić, Mirjana; Milojković-Opsenica, Dušanka; Tešić, Živoslav

(Srpsko hemijsko društvo, Beograd, 2006)

TY  - JOUR
AU  - Odović, Jadranka
AU  - Stojimirović, Biljana
AU  - Aleksić, Mirjana
AU  - Milojković-Opsenica, Dušanka
AU  - Tešić, Živoslav
PY  - 2006
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/877
AB  - The chromatographic behaviour of some ACE inhibitors and their active metabolites was examined under conditions of reversed-phase thin-layer chromatography on RP-18 silica using water-methanol, water-ethanol and water-acetone as binary solvent systems. The relationship between the R M values and the concentration of organic modifier in the mobile phases was linear. It was found that an increase in the content of the organicmodifier in the employed solvent systems led to a decrease of the R M values, i.e., of the retention. Also, the more hydrophobic compounds had a longer retention. Based on regression analysis of the plots, the lipophilicity parameters R M 0 and c 0 were calculated. The chromatographically obtained lipophilicity parameters were correlated with the calculated log P values.
AB  - Ispitivano je hromatografsko ponašanje nekih ACE inhibitora i njihovih aktivnih metabolita u uslovima reversno-fazne tankoslojne hromatografije na RP-18 silika-gelu primenom sledećih binarnih sistema rastvarača voda-metanol, voda-etanol i voda-aceton. Utvrđena je linearna zavisnost između RM-vrednosti i koncentracije organskog modifikatora u mobilnoj fazi. Nađeno je da povećanje sadržaja organskog modifikatora u upotrebljenom rastvaraču dovodi do opadanja RM-vrednosti, odnosno do slabljenja retencije. Jača retencija uočena je za hidrofobnije supstance. Na osnovu odgovarajućih regresionih podataka, izračunati su parametri lipofilnosti RM 0 i c0. Hromatografski utvrđeni parametri lipofilnosti korelisani su sa izračunatim log P vrednostima.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Reversed-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their active metabolites
T1  - Reversno-fazna tankoslojna hromatografija nekih inhibitora angiotenzin-konvertujućih enzima (ACE) i njihovih aktivnih metabolita
VL  - 71
IS  - 6
SP  - 621
EP  - 628
DO  - 10.2298/JSC0606621O
ER  - 
@article{
author = "Odović, Jadranka and Stojimirović, Biljana and Aleksić, Mirjana and Milojković-Opsenica, Dušanka and Tešić, Živoslav",
year = "2006",
abstract = "The chromatographic behaviour of some ACE inhibitors and their active metabolites was examined under conditions of reversed-phase thin-layer chromatography on RP-18 silica using water-methanol, water-ethanol and water-acetone as binary solvent systems. The relationship between the R M values and the concentration of organic modifier in the mobile phases was linear. It was found that an increase in the content of the organicmodifier in the employed solvent systems led to a decrease of the R M values, i.e., of the retention. Also, the more hydrophobic compounds had a longer retention. Based on regression analysis of the plots, the lipophilicity parameters R M 0 and c 0 were calculated. The chromatographically obtained lipophilicity parameters were correlated with the calculated log P values., Ispitivano je hromatografsko ponašanje nekih ACE inhibitora i njihovih aktivnih metabolita u uslovima reversno-fazne tankoslojne hromatografije na RP-18 silika-gelu primenom sledećih binarnih sistema rastvarača voda-metanol, voda-etanol i voda-aceton. Utvrđena je linearna zavisnost između RM-vrednosti i koncentracije organskog modifikatora u mobilnoj fazi. Nađeno je da povećanje sadržaja organskog modifikatora u upotrebljenom rastvaraču dovodi do opadanja RM-vrednosti, odnosno do slabljenja retencije. Jača retencija uočena je za hidrofobnije supstance. Na osnovu odgovarajućih regresionih podataka, izračunati su parametri lipofilnosti RM 0 i c0. Hromatografski utvrđeni parametri lipofilnosti korelisani su sa izračunatim log P vrednostima.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Reversed-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their active metabolites, Reversno-fazna tankoslojna hromatografija nekih inhibitora angiotenzin-konvertujućih enzima (ACE) i njihovih aktivnih metabolita",
volume = "71",
number = "6",
pages = "621-628",
doi = "10.2298/JSC0606621O"
}
Odović, J., Stojimirović, B., Aleksić, M., Milojković-Opsenica, D.,& Tešić, Ž.. (2006). Reversed-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their active metabolites. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 71(6), 621-628.
https://doi.org/10.2298/JSC0606621O
Odović J, Stojimirović B, Aleksić M, Milojković-Opsenica D, Tešić Ž. Reversed-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their active metabolites. in Journal of the Serbian Chemical Society. 2006;71(6):621-628.
doi:10.2298/JSC0606621O .
Odović, Jadranka, Stojimirović, Biljana, Aleksić, Mirjana, Milojković-Opsenica, Dušanka, Tešić, Živoslav, "Reversed-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their active metabolites" in Journal of the Serbian Chemical Society, 71, no. 6 (2006):621-628,
https://doi.org/10.2298/JSC0606621O . .
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Thin-layer chromatography of several antihypertensive drugs from the group of angiotensin converting enzyme inhibitors

Aleksić, Mirjana; Agbaba, Danica; Baošić, Rada M.; Milojković-Opsenica, Dušanka; Tešić, Živoslav

(Srpsko hemijsko društvo, Beograd, 2001)

TY  - JOUR
AU  - Aleksić, Mirjana
AU  - Agbaba, Danica
AU  - Baošić, Rada M.
AU  - Milojković-Opsenica, Dušanka
AU  - Tešić, Živoslav
PY  - 2001
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/308
AB  - A rapid and simple method for the chromatographic separation of pharmacologically active components contained in some antihypertensive drugs has been developed employing thin-layers of silica gel and polyacrylonitrile sorbent (PANS). The active compounds of Captopril - (S)-1-(3-mercapto-2- methyl-1-oxopropyl)-L-proline, Enalapril - (S)-1-[N-[1-(ethoxycarbonyl)-3- phenylpropyl]-L-alanyl]-L-proline, Lisinopril - (S) -1-[N2-(carboxy-3- phenylpropyl)-L-lysyl]-L-proline, Quinapril - [3S-[2[R*(R*)],3R*]],-2-[2-[[1 (-ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3- iso-quinoline-carboxylic acid, Ramipril - [2S-[1[R*(R*)],2α,3αβ,6αβ]]-1-[2[[ 1-(ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta[β]- pyrole-2-carboxylic acid and Cilazapril - [1S-[1α,9α(R*)]]-9-[[1- (ethoxycarbonyl)-3-phenylpropyl]amino]octahydro-10-oxo-6H-pyridazino[1,2-α] [1,2]diazepine-1-carboxylic acid, were successfully separated by the presented procedures. For their chromatographic separation on silica gel sixteen and on PANS thirteen solvents were used.
AB  - U radu je u uslovima hromatografije na tankim slojevima silika-gela i poliakrilonitrilnog sorbenta (PANS-a), izvršeno razdvajanje sledećih antihipertenziva iz grupe angiotenzin konvertujućih enzim inhibitora (ACE inhibitora): Kaptopril-a, Enalapril-a, Lizinopril-a, Kvinapril-a, Ramipril-a, Cilazapril-a. Za njihovo hromatografsko razdvajanje upotrebljeni su mnogi rastvarači. Na osnovu dobijenih rezultata diskutovani su mehanizmi odvajanja. Na taj način data je jedna veoma brza i jednostavna metoda za odvajanje pomenutih supstanci.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Thin-layer chromatography of several antihypertensive drugs from the group of angiotensin converting enzyme inhibitors
T1  - Tankoslojna hromatografija nekih antihipertenziva iz grupe angiotenzin konvertujućih enzim inhibitora
VL  - 66
IS  - 1
SP  - 39
EP  - 44
UR  - https://hdl.handle.net/21.15107/rcub_farfar_308
ER  - 
@article{
author = "Aleksić, Mirjana and Agbaba, Danica and Baošić, Rada M. and Milojković-Opsenica, Dušanka and Tešić, Živoslav",
year = "2001",
abstract = "A rapid and simple method for the chromatographic separation of pharmacologically active components contained in some antihypertensive drugs has been developed employing thin-layers of silica gel and polyacrylonitrile sorbent (PANS). The active compounds of Captopril - (S)-1-(3-mercapto-2- methyl-1-oxopropyl)-L-proline, Enalapril - (S)-1-[N-[1-(ethoxycarbonyl)-3- phenylpropyl]-L-alanyl]-L-proline, Lisinopril - (S) -1-[N2-(carboxy-3- phenylpropyl)-L-lysyl]-L-proline, Quinapril - [3S-[2[R*(R*)],3R*]],-2-[2-[[1 (-ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3- iso-quinoline-carboxylic acid, Ramipril - [2S-[1[R*(R*)],2α,3αβ,6αβ]]-1-[2[[ 1-(ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta[β]- pyrole-2-carboxylic acid and Cilazapril - [1S-[1α,9α(R*)]]-9-[[1- (ethoxycarbonyl)-3-phenylpropyl]amino]octahydro-10-oxo-6H-pyridazino[1,2-α] [1,2]diazepine-1-carboxylic acid, were successfully separated by the presented procedures. For their chromatographic separation on silica gel sixteen and on PANS thirteen solvents were used., U radu je u uslovima hromatografije na tankim slojevima silika-gela i poliakrilonitrilnog sorbenta (PANS-a), izvršeno razdvajanje sledećih antihipertenziva iz grupe angiotenzin konvertujućih enzim inhibitora (ACE inhibitora): Kaptopril-a, Enalapril-a, Lizinopril-a, Kvinapril-a, Ramipril-a, Cilazapril-a. Za njihovo hromatografsko razdvajanje upotrebljeni su mnogi rastvarači. Na osnovu dobijenih rezultata diskutovani su mehanizmi odvajanja. Na taj način data je jedna veoma brza i jednostavna metoda za odvajanje pomenutih supstanci.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Thin-layer chromatography of several antihypertensive drugs from the group of angiotensin converting enzyme inhibitors, Tankoslojna hromatografija nekih antihipertenziva iz grupe angiotenzin konvertujućih enzim inhibitora",
volume = "66",
number = "1",
pages = "39-44",
url = "https://hdl.handle.net/21.15107/rcub_farfar_308"
}
Aleksić, M., Agbaba, D., Baošić, R. M., Milojković-Opsenica, D.,& Tešić, Ž.. (2001). Thin-layer chromatography of several antihypertensive drugs from the group of angiotensin converting enzyme inhibitors. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 66(1), 39-44.
https://hdl.handle.net/21.15107/rcub_farfar_308
Aleksić M, Agbaba D, Baošić RM, Milojković-Opsenica D, Tešić Ž. Thin-layer chromatography of several antihypertensive drugs from the group of angiotensin converting enzyme inhibitors. in Journal of the Serbian Chemical Society. 2001;66(1):39-44.
https://hdl.handle.net/21.15107/rcub_farfar_308 .
Aleksić, Mirjana, Agbaba, Danica, Baošić, Rada M., Milojković-Opsenica, Dušanka, Tešić, Živoslav, "Thin-layer chromatography of several antihypertensive drugs from the group of angiotensin converting enzyme inhibitors" in Journal of the Serbian Chemical Society, 66, no. 1 (2001):39-44,
https://hdl.handle.net/21.15107/rcub_farfar_308 .
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