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Wyszukujesz frazę "Mehta, P." wg kryterium: Autor


Wyświetlanie 1-10 z 10
Tytuł:
Synthesis and antimicrobial activity of some new imidazolinone derivatives containing benzimidazole
Autorzy:
Mehta, P.
Davadra, P.
Shah, N.
Joshi, H.
Powiązania:
https://bibliotekanauki.pl/articles/411949.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
benzimidazole
imidazolinone
antimicrobial activity
Opis:
In this study some new o-benzimidazol-2'-yl-benzamido-p'-benzamido-2-phenyl-4-substituted phenyl-5-oxo-Imidazolines 3a-3j were synthesized. To synthesized target molecules we used various substituted oxazolone derivatives, synthesized from substituted benzaldehyde with hippuric acid. Substituted oxazolones 2a-2j were reacted with carbohydrazide derivative of benzimidazole 1 in presence of pyridine as base to obtained substituted imidazolinone derivatives. All synthesized compounds were characterized by IR, 1H NMR, elemental analysis and further supported by mass spectroscopy. All synthesized compounds were screened for their antimicrobial activity against gram positive and gram negative bacteria which showed moderate to good activity. All compounds showing good to moderate active against fungal strain as compare to standard drug.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 10; 74-80
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and characterization of some thiazolidinone derivatives possessing benzimidazole nucleus
Autorzy:
Mehta, P.
Dawedra, P.
Goswami, V.
Joshi, H. S.
Powiązania:
https://bibliotekanauki.pl/articles/412250.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
4-Thiazolidinone
Benzimidazole
Schiff base
Opis:
Synthesis of new thiazolidinone derivatives possessing benzimidazole nucleus by condensation reaction of various substituted mercapto acids in presence of anhydrous ZnCl2. In our present study we have also synthesized Schiff bases of benzimidazole derivatives. All synthesized compounds were characterized by IR, 1H NMR and Mass spectroscopy.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 11, 1; 1-8
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis, characterization and antimicrobial activity of 2-azetidinone derivatives of benzimidazoles
Autorzy:
Mehta, P.
Davadra, P.
Pandya, J. R.
Joshi, H. S.
Powiązania:
https://bibliotekanauki.pl/articles/412088.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
2-azitidinone
benzimidazole
antimicrobial activity
Opis:
Some new 2-azetidinone derivatives possessing benzimidazole nucleus were synthesized and characterized by IR, NMR and mass spectral analysis. All synthesized compounds were screened for antimicrobial activity using cup plate method. All the compounds showed moderate to good antimicrobial activity and anti fungal activity.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 11, 2; 81-88
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cyclization and antimicrobial evolution of 1,3,4-oxadiazoles by carbohydrazide
Autorzy:
Godhani, Dinesh R.
Mulani, Vishal B.
Mehta, Jignasu P.
Powiązania:
https://bibliotekanauki.pl/articles/1063054.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
1
3
4-oxadiazole
antimicrobial activity
cytotoxicity
dihydropyrimidine
haemolysis
Opis:
A series of dihydropyrimidine substituted 1,3,4-oxadiazole derivatives was synthesized by cyclization of carbohydrazide by phosphoryl chloride and benzoic acid in acidic condition. The structures were perceived on the establishment of spectral tools and their purity by elemental analysis. Every compound was primary assessed for their in vitro antimicrobial activities against 5 bacterial strains viz [Staphylococcus aureus (MRSA; ATCC 43300), Klebsiella pneumoniae (ATCC 700603), Escherichia coli (ATCC 25922), Acinetobacter baumannii (ATCC 19606), Pseudomonas aeruginosa (ATCC 27853)] and 2 fungi Strains viz. [Candida albicans (ATCC 90028), Cryptococcus neoformans var. grubii (H99; ATCC 208821)]. Some compounds displayed significant antimicrobial activity, out of 15 compounds, 11 compounds indicated promising antifungal activities without any indications of human cells cytotoxic [Hk: Human Embryonic Kidney cells (ATCC CRL-1573)] and haemolytic activity [RBC (ARCBS 5400 00150)].
Źródło:
World Scientific News; 2019, 124, 2; 304-311
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and antimicrobial evolution of some new benzotriazole substituted 1,3,4-thiadiazoles
Autorzy:
Godhani, Dinesh R.
Mulani, Vishal B.
Mehta, Jignasu P.
Kukadiya, Nipul B.
Powiązania:
https://bibliotekanauki.pl/articles/1177753.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
antimicrobial activity
benzotriazole
cytotoxicity
haemolysis
schiff base
thiadiazole
Opis:
A series of novel benzotriazole-substituted 1,3,4-thiadiazole-2(3H)-thione derivatives was synthesized by cyclization of Schiff base. The structures were recognized on the foundation of spectral tools and their purity by elemental analysis. All the compounds were preliminary evaluated for their in vitro antimicrobial activities against five bacterial strains viz [Staphylococcus aureus (MRSA; ATCC 43300), Klebsiella pneumoniae (ATCC 700603), Escherichia coli (ATCC 25922), Acinetobacter baumannii (ATCC 19606), Pseudomonas aeruginosa (ATCC 27853)] and two fungi Strains viz. [Candida albicans (ATCC 90028), Cryptococcus neoformans (ATCC 208821)]. Several compounds exhibited remarkable antimicrobial activity, out of 15 compounds, three compounds viz. 5a, 5g and 5i showed promising antifungal activities with no signs of human cells cytotoxic [HEK293: Human Embryonic Kidney cells (ATCC CRL-1573)] and haemolytic activity [Whole blood (ARCBS 5400 00150)].
Źródło:
World Scientific News; 2018, 100; 51-60
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A review on metabolites and pharmaceutical potential of food legume crop mung bean (Vigna radiata L. Wilczek)
Autorzy:
Mehta, N.
Rao, P.
Saini, R.
Powiązania:
https://bibliotekanauki.pl/articles/2096785.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bioactivity
medicinal property
metabolites
mung bean
nutritional value
phytochemicals
Opis:
Mung bean or moong or green gram, an important grain legume, is cultivated mainly in Asian countries and other parts of the world as a food crop. It is a highly nutritious grain legume with a high content of easily digestible proteins (20–32%), carbohydrates (53.3–67.1%), lipids (0.71–1.85%), vitamins, minerals, and fiber. It also contains some antinutrients such as tannins, phytic acid, hemagglutinin, polyphenols, and trypsin inhibitors in low concentrations. The sprouting of seeds leads to dynamic changes in metabolites with a decrease in antinutrient content and an increase in the nutritional value. In addition to these nutrients and antinutrients, the plant also contains various other phytochemicals such as alkaloids, flavonoids, saponins, phenols, glycosides, and bioactive peptides, which exhibit an array of pharmaceutically important properties such as anti-inflammatory, antinociceptive, antimicrobial, antioxidant, antidiabetic, lipid metabolism regulation, antihypertensive, antiallergic, and antitumor. Being rich in nutritional value and other phytochemical components, the plant can be explored further for its pharmaceutical properties and used as an efficient food additive in the preparation of different types of dietary supplements or food-derived drugs.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2021, 102, 4; 425-435
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Emission Spectra of Triple Activated SrS Phosphors
Autorzy:
Rao, A. P.
Sinha, O. P.
Machwe, V. G.
Mehta, A. S.
Powiązania:
https://bibliotekanauki.pl/articles/1945381.pdf
Data publikacji:
1996-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
33.50.-j
Opis:
Fluorescence spectra of strontium sulphide phosphors activated by three activators viz. Mn, Cu, and Gd individually and in different combinations have been discussed at length. X-ray is used as excitation source. Probable inferences are drawn regarding energy transfer phenomenon. The two channels for transfer of energy are concluded in present phosphor series. A model is also proposed.
Źródło:
Acta Physica Polonica A; 1996, 89, 4; 509-516
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and characterization of some new Schiff bases of 2-oxonaphtho[2,1-b][1,4]oxazine
Autorzy:
Chovatiya, P.
Mehta, C.
Senjani, H.
Shah, A.
Joshi, H. S.
Powiązania:
https://bibliotekanauki.pl/articles/411737.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
2-Oxonaphtho[2,1-b][1,4]oxazine
Schiff base
Opis:
The literature review reveal that [1,4]-oxazine derivatives represent one of the most active classes of compounds possessing wide spectrum of biodynamic activities and use as potent therapeutic agents. In the present work, a series of Schiff base of 2-(2,3-dihydro-2-oxonaphtho[2,1-b][1,4]oxazin-1-yl)acetohydrazide, 5a-5j has been synthesized using 1-aminonaphthalen-2-ol. Various aromatic aldehyde were react with carbohydrazide 4 in the presence of acid to produce the 2-oxonaphtho[2,1-b][1,4]oxazin Schiff base derivatives with good yields. All synthesized compounds were characterized by IR, NMR and Mass spectrometry analysis.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 12; 26-30
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Association of occupational stress factors on nicotine dependence among patients visiting dental care unit of Indo-Tibetian border police force station in India
Autorzy:
Sandhu, Karandeep Singh
Arora, Vikram
Gupta, N.
Gupta, P.
Raja, Mitali
Mehta, Nishant
Powiązania:
https://bibliotekanauki.pl/articles/875894.pdf
Data publikacji:
2016
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
occupational stress
stress factor
nicotine
dependence
patient
smoking
India
Opis:
Background. Tobacco use is the foremost preventable cause of death and disease in the world today and work strain might be related with nicotine dependence by its provoking effect. Objective. To assess the association between occupational stress and nicotine dependence. Material and methods. A cross sectional survey was conducted among 200 subjects visiting a satellite dental clinic of Swami Devi Dyal Hospital and Dental College, Barwala, Panchkula, India. Nicotine dependence was measured using the Fagerstrom Test for Nicotine Dependence (FTND). The extent of the stress factors experienced at work was assessed using the Effort-Reward Imbalance scale (ERI). Chi-square test and multiple logistic regression analysis were employed for statistical analysis. Confidence level and level of significance were set at 95% and 5% respectively. Results. The results of bivariate analysis revealed association of occupational stress with age, marital status, educational status, level of nicotine dependence, frequency of cigarette smoking and religious attendance. However, multivariate analysis elicited the significant association of occupational stress with only two variables, level of nicotine dependence and frequency of smoking. Conclusion. Occupational stress was found to be associated with nicotine dependence in the present study implying a need of other tranquil measures to be incorporated for the relief of work related stress.
Źródło:
Roczniki Państwowego Zakładu Higieny; 2016, 67, 1
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elucidation of tidal spatial-temporal variation of physico-chemical and nutrient parameters of estuarine water at South Gujarat
Autorzy:
Desai, Nisheeth C.
Kukadiya, Nipul B.
Mehta1, Jignasu P.
Godhani, Dinesh R.
Lakhmapurkar, Jayendra
Dave, Bharti P.
Powiązania:
https://bibliotekanauki.pl/articles/1030123.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Estuary water
Nutrients
Physico-chemical parameters
Principal component analysis
Tidal variation
Opis:
In the present study, the four estuaries were selected from the South Gujarat region to appraise the impact of industrial pollution in the estuarine water samples. The study focused on the tidal variation of nutrients, which disclosed that concentrations of NO2–N, NO3–N, NH4–N, TN, and reactive silicates were higher in low-tide whereas pH, salinity, and dissolved oxygen were higher in high-tide water samples. The results of high BOD and low DO expose the anthropogenic inputs in these estuaries during the low-tide. The results of physico-chemical and nutrients parameters of water showed that the pollution level is strongly influenced by tidal and seasonal changes. Pearson’s correlation matrix and principal component analysis (PCA) are applied to a hydrological and hydrographical dataset for finding the spatial-temporal variation during the tidal difference. This study suggested that there is an impact of industrial pollution and anthropogenic inputs on the estuarine water of the study area.
Źródło:
World Scientific News; 2020, 143; 79-102
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-10 z 10

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