Аспарагиновая кислота в организме человека участвует в преобразовании углеводов в глюкозу и пополнении запасов гликогена, обладает детоксирующим действием, выводит из организма токсины и аммиак. Аспарагиновая кислота увеличивает сопротивляемость организма к вирусам и инфекциям, обладает антибактерицидными свойствами, улучшает проницаемость кальция и магния в клетки, поставляет кислород в клетки миокарда, улучшает концентрацию внимания и мозговую активность. Поступление аспарагиновой кислоты в организм необходимо при постоянной усталости, депрессии, плохой памяти, нестабильном эмоциональном состоянии, низкой работоспособности. Регулярный прием необходим людям, страдающим заболеваниями сердечно-сосудистой системы, головного мозга, глаз.
The search for new sources of highiy active drugs based on iocai raw materials is an urgent task of modern science, it is known that iicorice root is widely used in various sectors of the economy, the main component of it is glycyrrhizic acid. The presence of anti-inflammatory activity, iow toxicity and iack serious side effects make new synthetic derivative of glycyrrhizic acid promising for medicine compounds.
The purpose of the study. To study the antiulcer activity glycerinate on an experimental model of neurogenic uicers caused by 24-hour immobilization of animals and to identity the mechanism of antiulcer activity.
Topicality and demand of the subject of dissertation. Development of science and intensification of all branches of national economy and also introduction of new technogenic processes of production have resulted in antropogenic influence of industrial activity of man on the environment and ecological equilibrium According to the data of regional evaluation of stable toxical compounds in the countries of the European Counsel the highest concentrations of Pb, Cd and Hg in the environment have been noted in the Ukraine (Pb-31,02; Cd-54, Hg-36 ton/year).Release of heavy metals to the environment for Russia equaled Pb-50%; Cd-66%; Hg-37% and in some others countries: Pb-10%,Cd-21%,Hg-58%,.Short analysis of the situation interms of these tree toxical metals has shown the level of antropogenic throwings of heavy toxical metals(HTM).The biggest part of HTM finding with throwings released to the atmosphere thrown out on soil and in waters of the country being the-surce the release and then they accumulate in neighbouring countries .
At presente time in the Republic of Uzbekistan the level of manufacture is rapidly growing and this results in the increase of the concervation of HTM compared with global scale of some natural processes. The most dangerous for the health of population are the non-essencial elements (Hg, Cd, Pb, As) . For this reason the monitoring of pollutions of objects of environment especialy HTM has acquired special importance and actuality. Qualitative and quantitative determination of ions of HTM has acquired important and necessary demands and has pulled out before analysts and ecologists the task of elaboration of express sensitive and selective methods of determination of microquantities of these elements which are dangerous toxicants, cancerogens and mutagens.
In this regard in the process protection of objects of the environment it is important and necessary to determinetion precise concentrations of HTM by different physical, chemical and physico-chemicals methods. For the practical realization of this problem at chemical analysis it is necessary to improve perfection existing methods analysis and elaborationof new modern methods ecotoxicants monitoring (espessially HTM). In the aspect of realization of theoretical prerequisites and practical confirmation of analytical determination of ecotoxicants concentrations it is necessary to elaborate some new hybrid methods with immobilization of different complexe-forming reagents on polymeric bearers and matrixes differing by high meteological and operation parameters.
Existing actual problems can be solved by introducing to the analytical practices of the methods of HTM determination of some new selective and specific organic reagents.The most perspective way of their solution is the purposeful synthesis and immobilization of new organic reagents with some definite analytical characteristics with following forecast of their properties with the aim of the optimal solving of the given tasks.
Elaboration of methods and approaches of prognosis as method of further development of sorbtion-spectroscopical method of analysis is an actual problem .In this range of theoretical and applied analytical chemistry there are considerable achivments bonding with investigations of home and forcing investigators ,but row of questions of problematical character has demanded of deep investigation and knowledges of new approaches and methods of their decision.
It is known that theory of action of OR is characterized as “system of ideas” allow ing to construct of some analytical system to find optimal by nature reagent and medium in which analytical reaction will carried out .In decision of some taskes of development of theory of OR action the fallowing stages neussarg to take into acconnl:”esplantion of observe processes and phenoments:prediction and direction works by synthesis of reagents with given properties .’’Thus the elaborated methodology and predication of properties of immobilized analytical reagents can be consider as definite seintific contribution in development of theory of action of IMOR for their using in analytical chemistry and ecology.
Purpose of research is elaboration of express, high-sensitive sorbtion-spectroscopical methods and test-systems of HTM determination with using of IMOR. Elaboration on the base of these methods some general approach to prognosis of properties and construction of specifical analytical grouos in organic reagents immobilized on different types of bearers synthesis of new organic reagents with given up properties on the base of our theretical prognosisesand introduction of them in practice of analysis of different analytical and ecological laboratories.
To achieve this goal the following tasks of research is solved: -optimization of immobilization conditions of organic reagents with preservation of their analytical properties; determination of mechanism of coloured reactious of complex-formation of immobilized organic reagents with ions of HTM;
-determination of connection between structure of OR and their analytical characteristics; prognosis of some perspective ways of their modification and directed synthesis of new specifical reagents on the base of nitronaphtols;
-analytical groups (EAG): (6-methyl-pyridil-2-azo-aminophenol; l-(5-methyl -2-pyridilfzo )-5-diethglaminophenol ;l-(4-antipyridilazo) -2-napthol sulphoacid; 1-(2-pyridilazo)-2-oxynaphtalin-6-sulphoacid sodlium; 3-hydroxy-4-nitrozo-2-naphtoic acid;2-hydroxiy -3-nitrozo naphtaldehyde and others);
-determination of influence of different factors and parameters on value of the analytical signal ;wing of elaborated methods in analysis of different by nature model binary ,triple and more complex mixtabiological objects industrial materials
-comparison of obtained results with results obtained by existing methods of determination of the investisated metals in solution.
Scientific novelty of disscrtational research consists in the following:
-Immobilization of different by nature reagents for prognosis and prediction of optimal construction of some OR based on quantum-chemical value of changing of analytical characteristics in dependence on structure of the functional and analytical-active groups has been theoretically based and practically has been realized;
-Chemico-analytical properties of OR immobilized on bearers on the base of polyacrylonitrile (PAN) and polypropylene (PP) for apriory prediction of structure of different OR and elaboration on their base an optical chemical sensors on the base PAN and PP-matrixes having some necessary analytical parameters;
Conclusion
1. Litrature date about using fiber sorbents and ion-exchanging on their base for determination of HTM cations at analysis objects of environment have been summarized. Advantages of using of fiber sorbents in comparison with their using as granule and powder have been shown. Necessarily of search of new immobilized reagents for determination metals in different objects was ground.
2. New scientific trend in analytical chemistry based on the sorbtion-spectroscopical determination of HTM in different objects of enviroment with using immobilized on fiber material organical reagents of different nature with aim of improvment of metrological parameters, exploitational and analytical parameters was developed.
3. Pysico-chemical and analytical properties of immobilized reagents on the base of reagents Arsenaza and threephenylmethan row and also synthesized on the department of organical chemistry NUUz sorbited on the fiber “Nitron” were systematically investigated. Optimal conditions of immobilization of new reagents on some polymeric bearers with preservation of theirspecifical analytical properties were determined.
4. 1R- spectroskopical investigation of immobilized reagents of fiber sorbents and their complexes with cations of HTM was carriedout. It was proved that in complex-formation of HTM ions with immobilized reagents the same functional analytical groups participated as in case of native solutions.
5. Results of investigations of interaction of reagents group Arsenazo and theephenylmethanic raw and also reagents synthesized on the derailment of inorganical and analytical chemistry of chemical faculty ofNUUz immobilized on marix on the base of PAN and PP-fibers with ions of HTM have shown that their immobilization was carried out owing to ionic changing and also formation of strong intermolecular hydrogenous bonds with bearers.
6. Using of calculating quant- chemical methods such as EMN, MNDO, RMZ and AM-1 has allowed in apriori to predict the structures of different rengents having some necessary analytical parameters (sensibility, contrastion of reactions and conditions of their carring out).
7. On the base on comparison optimal conditions of immobilization, sorbtion, degree of extraction of metals ions, coefficients of distribution, sorbtion capasity of fiber sorbents, data about sensibility of the analytical action occording to ions Cd, Hg, Cu and Fe in presence of accompanying elements, possibilities of quantitative desorption by small volumes of mineral acids and accessibility of initialcompounds it is shown an perspective of practical using of synthesized reagents and fiber sorbents. Immobilized reagents quantitativly have extracted ions of metals during 20-30 min at temperature 20-25°C in pH diapazone 3-7 (R=90-99%).
8. Coplex of methods of solidphase - spectroshopical and visually-testing determination of HTM in natural objects and samples of sewage and also new effective method of sorbtion - spectroskopical determination of Co,Cu, Cu, Ni, Fe and Hg in drinking and natural waters with using of immobilized organical reagent has been elaborated . This sorbtion - spectroskopical method has allowed to determine abovementioned metals in drinking and natural waters on the level n x 10-6 - n x 10'3 % and also to decrease the limitof their determination . Rightness of elaborated methods was proved by method “introduced - determined” at analysis of some real abjects and also by comparison with data obtained by atom -absorbtion method.
9. Elaborated methods were aprobated at analysis of real objects and were introduced in practics of laboratories by investigation of surface waters NYSMY; SES (sanepidemic station) of Tashkent region and Bekabad; department of radiopreparates of INP (Institute of nucleur physies) and others. Some obtained experimental data have been introduced in educational process at reading of lectures , carring out seminars and labaratory works with bachelors and masters by courses : “Analysis of environment objects”; “Optical methods of analysis “ ; “Physical methods of analysis “ ; “ Metrology statistics and computer in analytical chemistry” on the departments ofNUUz ; SamSU; Term.SV Tash.Pharm.1.
В статье приведены результаты исследования процессов получения оксида магния путем разложения серпентинитов Арватенского месторождения серной кислотой и с добавкой азотной кислоты в раствор серной кислоты последуюшим разделением кремнезема из суспензии, нейтрализацией фильтрата аммиаком до значения рН 8,5 для осаждения и раздаеления ионов примесных металлов, осаждение и разделения ионов магния из раствора с использованием аммиака и углекислого аммония, термическое разложение корбаната магния с получением оксида магния. Установлено, что использования смесь кислот т.е. с добавкой небольшой количества азотной кислоты в раствор серной кислоты увеличиваеть выход оксид магния от 83,34% до 92,68 % чем при использования только серной кислоты при одинрковых нормах. При оптимальных условиях после термического разложения карбоната магния получен продукт содержащый 97,13% оксид магния со степенью извлечения 92,68 % от исходного сырья.
Все физиологические и агрономические исследования имеют конечной целью познание сложнейших механизмов и законов роста и развития растений с тем, чтобы на основе этих знаний уметь создавать наиболее благоприятные условия роста, развития и продукционного процесса растений. Анализ современного состояния теории и практики применения различных регуляторов роста позволяет отметить широкое их применение в сельском хозяйстве. Всё больше внимание уделяется получению регуляторов роста растений, ключевым компонентом в которых является салициловая кислота, оказывающее значительное влияние на иммунитет растений. Считается, что салициловая кислота является мощное сигнальное соединение, участвующая в защитных механизмах, регулируя физиологические и биохимические реакциях в растениях, и оказывая влияние на толерантность к биотическим и абиотическим стрессовым факторам (Young; Kalachova and et al., 2016; Karima Boulahia and et al., 2023). Hannes Lefevere and et al., 2020, также считают, что салициловая кислота является важным активатором и оказывает опосредованное действие хозяина- растения запускает механизм против микроорганизма патогена.
С целью получения медленнодействующих удобрений нами изучена растворимость компонентов в системе карбамид-азотная кислота-вода визуально-политермическим методом.
Vitrum cardio Omega-3 a preparation for preventive maintenance thromboprophilia infringements at pregnancy. Hodzhimuratova G. А.
Включение в схемы профилактики и комплексного лечения беременных с тромбофилиями лекарственного препарата Витрум кардио Омега—3 (полиненасыщенная жирная кислота) способствует снижению ингибирования агрегации тромбоцитов,
снижению артериального давления у беременной, предотвращает угрозу преждевременных родов.
The resume: Inclusion in schemes of preventive maintenance and complex treatment of pregnant women with thrombophilia medicai product Vitrum cardio Omega-3 (polynonsaturated fat acid) promotes decrease in inhibition of aggregation trombocits, to decrease in arterial pressure at the pregnant woman, prevents threat of premature birth
Tanada B 9 vitamini yetishmasligi ko‘plab jiddiy kasalliklarning rivojlanish xavfiga tahdid solishi mumkin, shuning uchun uning yetishmovchiligini vaqtida aniqlash va to‘ldirish juda muhimdir. Vitamin yetishmovchiligi belgilari quyidagilarni o‘z ichiga olis hi mumkin. Haddan tashqari rangparlik, shuningdek zaiflik bilan namoyon bo‘ladigan gemoglobin darajasining pasayishi, oshqozonda xlorid kislota yetarli darajada ishlab chiqarilmasligi tufayli paydo bo‘ladigan ishtahani pasayishi, tez-tez kayfiyat o‘zgarishi, depressiv holatlar, tirnoqlarning haddan tashqari mo‘rtligi, sochlar holatining yomonlashishi, shuningdek ularning yo‘qolishi va boshqalar.
Despite the progression and improvement of methods of surgical interventions, the number of peritonitis spread among emergency operations performed is 20-35%, of which 19-60% of cases end in mortality. The main key factor in the etiopathogenesis of peritonitis remains the bacterial link. At the same time, the appearance of highly virulent microflora contributes to the antibiotic resistance of drugs associated with the presence of beta-lactamases [1; 2; 6; 7].
In an experimental model of gastric ulcer in rats, it was found that the components of antiulcer therapy omeprazole, metronidazole have a multidirectional effect on the NO formation system and increase the content of lactic acid in the mucous tissue. Among the components of antiulcer therapy, de-nol and rebamipide are the best.
Акне является наиболее распространеной нозологией в дерматологии. Течение акне сопровождается появлением различных косметически значимых вторичных изменений кожи (рубцов), которые могут сказываться на качестве жизни пациента, его психоэмоциональном состоянии. Поиск высокоэффективных средств и методов терапии акне остается важной проблемой.