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    <dc:date>2026-08-30T23:17:13Z</dc:date>
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  <item rdf:about="http://repository.usmf.md:80/handle/20.500.12710/1850">
    <title>Analiza chimico-toxicologică a alprazolamului</title>
    <link>http://repository.usmf.md:80/handle/20.500.12710/1850</link>
    <description>Title: Analiza chimico-toxicologică a alprazolamului
Authors: Cotelea, Tamara; Lungu, Tatiana; Stati, Lilia; Arama, Efim
Abstract: There was elaborated the TLC method of alprazolam identification by using of five&#xD;
develop systems, spectrophotometric method of quantitative determination for apprazolam in&#xD;
powder and tablets of 0.001 g were elaborated, as well as HPLC method was elaborated in order&#xD;
to determine the purity of substance.Using the analytical methods elaborated by us over the&#xD;
artificial biological test there was extracted alprazolam from biological liquids (blood plasma,&#xD;
urine). Having considered the elaborated methods as specific and reproductive they a&#xD;
rerecommended for the study of alprazolam in biological liquids.&#xD;
&#xD;
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A fost elaborată metoda cromatografiei pe strat subţire de identificare a alprazolamului,&#xD;
utilizând 2 sisteme de solvenţi, metoda spectrofotometrică de dozare în pulbere şi comprimate&#xD;
0.001 g, precum şi metoda HPLC de identificare în pulbere. Aplicând metodele analitice&#xD;
elaborate de noi la probele biologice „in vitro” s-a efectuat extracţia alprazolamului din lichidele&#xD;
biologice. Dat fiind faptul, că metodele folosite sunt specifice şi reproductive ele se recomandă&#xD;
pentru studierea alprazolamului în lichidle biologice.
Description: Catedra Chimie farmaceutică şi toxicologică USMF „N.Testemiţanu”&#xD;
Catedra Biofizică, Informatică şi Fiziologia omului „N.Testemiţanu”</description>
    <dc:date>2011-01-01T00:00:00Z</dc:date>
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  <item rdf:about="http://repository.usmf.md:80/handle/20.500.12710/1849">
    <title>Aspecte biofarmaceutice şi farmacocinetice de administrare a spironolactonei la copii</title>
    <link>http://repository.usmf.md:80/handle/20.500.12710/1849</link>
    <description>Title: Aspecte biofarmaceutice şi farmacocinetice de administrare a spironolactonei la copii
Authors: Solonari, Rodica; Diug, Octavian; Cozlovschi, Ecaterina
Abstract: We present a description of the biopharmaceutical aspects of Spirolactone use in&#xD;
children, analyzing their structural-molecular properties and the importance of these parameters&#xD;
in order to optimize the pharmacotherapy. Spironolactone pharmacokinetics in children and the&#xD;
necessity of elaboration of pharmaceutical forms for children in respective doses are presented.&#xD;
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Este prezentat studiu privind aspectele biofarmaceutice ale utilizării Spirolonactonei la&#xD;
copii, analizând proprietăţile strucutural-moleculare şi importanţa acestor parametri în vederea&#xD;
optimizării farmacoterapiei. De asemenea este prezentată farmacocinetica Spirolonactonei la&#xD;
copii şi necesitatea elaborării formelor medicamentoase pentru copii în dozele respective.
Description: Catedra Tehnologia medicamentelor; Laboratorul de Tehnologie farmaceutică şi transfer&#xD;
tehnologic al Centrului ştiinţific în domeniul medicamentului</description>
    <dc:date>2011-01-01T00:00:00Z</dc:date>
  </item>
  <item rdf:about="http://repository.usmf.md:80/handle/20.500.12710/1847">
    <title>Optimizarea metodei HPLC  pentru analiza fructelor de Armurariu (Silybum Marianum (L.) Gaertn)</title>
    <link>http://repository.usmf.md:80/handle/20.500.12710/1847</link>
    <description>Title: Optimizarea metodei HPLC  pentru analiza fructelor de Armurariu (Silybum Marianum (L.) Gaertn)
Authors: Casian, Igor; Luca, Victor; Ungureanu, Ion; Casian, Ana
Abstract: Optimization of the HPLC method for analysis of Milk-Thistle fruit (Silybum marianum (L.)&#xD;
Gaertn).&#xD;
An interlaboratory irreproducibility of the results of Milk-Thistle fruit assay has been&#xD;
discovered at realization of analytical procedure by the European Pharmacopoeia. It was found,&#xD;
that this irreproducibility is caused by insufficient plenitude of the analytes extraction from&#xD;
vegetal material.&#xD;
A new procedure of probe preparation, that consists of two sequential extractions by ethylic&#xD;
alcohol 40% for 60 min at 70°С, has been developed. The offered procedure ensures recovery&#xD;
about 98 % and essentially decreases the volume of work.&#xD;
Use of acetonitrile in the mobile phase composition and optimization of the gradient shape&#xD;
or switch-over to isocratic elution are offered for decrease of the analysis time.&#xD;
Key words: Silybum marianum, flavonolignans, HPLC-UV, pharmaceutical analysis.&#xD;
&#xD;
&#xD;
&#xD;
&#xD;
&#xD;
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&#xD;
La efectuarea analizei cantitative a fructelor de armurariu prin metoda Farmacopeei&#xD;
Europene s-a depistat o ireprodictibilitate interlaborator al rezultatelor. S-a stabilit că aceasta&#xD;
ireproductibilitate este condiţionată de insuficienţa plenitudinii de extracţie a analiţilor din&#xD;
produsul vegetal.&#xD;
S-a elaborat un nou procedeu de preparare a probelor, care constă din două extracţii&#xD;
consecutive cu alcool etilic 40% timp de 60 min la temperatura 70°C. Procedeul propus asigură&#xD;
regăsirea circa 98% şi micşorarea esenţială a volumului de lucru.&#xD;
Pentru reducerea timpului analizei cromatografice s-a propus utilizarea acetonitrilului în&#xD;
componenţa fazei mobile şi optimizarea formei gradientului sau trecerea la eluare izocratică.
Description: Centrul Ştiinţific în domeniul Medicamentului&#xD;
 Agenţia Medicamentului&#xD;
Centrul de Cultivare a Plantelor Medicinale</description>
    <dc:date>2011-01-01T00:00:00Z</dc:date>
  </item>
  <item rdf:about="http://repository.usmf.md:80/handle/20.500.12710/1846">
    <title>Analiza chimico-toxicologică a amitriptilinei</title>
    <link>http://repository.usmf.md:80/handle/20.500.12710/1846</link>
    <description>Title: Analiza chimico-toxicologică a amitriptilinei
Authors: Cotelea, Tamara; Lungu, Tatiana; Stati, Lilia; Arama, Efim
Abstract: There was elaborated optimum isolation and extraction conditions of amitriptiline from&#xD;
biological fluids. We used physico – chemical methods to identify amitriptiline: chromatography&#xD;
on a thin layer by utilizing four systems of solvents, spectrophotometrical method in UV,&#xD;
HPLC.The methods processed by us for in biological tests “in vitro” are specific and&#xD;
reproductive, and they are recommended for the study of amitriptiline in biological fluids.&#xD;
&#xD;
&#xD;
&#xD;
&#xD;
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Au fost determinate condiţiile optime de izolare şi extragere a amitriptilinei din lichidele&#xD;
biologice Am aplicat metodele fizico-chimice de identificare a amitriptilinei: cromatografia pe&#xD;
strat subţire utilizând patru sisteme de solvenţi, metoda spectrofotometrică în UV, HPLC.&#xD;
Metodele prelucrate de noi pentru amitriptilină în probele biologice „in vitro” sunt specifice şi&#xD;
reproductive şi ele se recomandă pentru studierea amitriptilinei în lichidele biologice.
Description: Catedra Chimie farmaceutică şi toxicologică USMF „N.Testemiţanu”&#xD;
Catedra Biofizică, Informatică şi Fiziologia omului „N.Testemiţanu”</description>
    <dc:date>2011-01-01T00:00:00Z</dc:date>
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