搜索结果: 151-165 共查到“知识库 理学 activity”相关记录418条 . 查询时间(0.14 秒)
Synthesis, characterization, crystal structures, and antibacterial activity of some new 1-(3,4,5-trimethoxybenzoyl)-3-aryl thioureasreas
1-(3,4,5-trimethoxy)benzoyl-3-arylthioureas antibacterial crystal structure
2010/10/18
Synthesis of some novel 1-(3,4,5-trimethoxy)benzoyl-3- arylthiourea derivatives (1a-o) was accomplished in 2 steps. The synthetic route involves the reaction of 1-(3,4,5-trimethoxy)benzoyl chloride wi...
Organic particulate matter formation at varying relative humidity using surrogate secondary and primary organic compounds with activity corrections in the condensed phase obtained using a method based on the Wilson equation
Organic particulate matter formation surrogate secondary primary organic the Wilson equation
2010/8/13
Secondary organic aerosol (SOA) formation in the atmosphere is currently often modeled using a multiple lumped "two-product" (N·2p) approach. The N·2p approach neglects: 1) variation of activity coeff...
Ionospheric transients observed at mid-latitudes prior to earthquake activity in Central Italy
Ionospheric transients observed mid-latitudes prior earthquake activity Central Italy
2010/10/20
Ionograms from Rome (41.8N, 12.5E) and Sofia (42.4N, 23.2E) ionospheric stations during earthquake (EQ) activity with magnitude (M) between 5 and 6 in Central Italy are analyzed. It is found that seve...
The Effects of Propolis on Biochemical Parameters and Activity of Antioxidant Enzymes in Broilers Exposed to Lead-Induced Oxidative Stress
Broiler Lead Oxidative Stress Propolis Blood Malondialdehyde Antioxidant Enzymes
2016/5/5
This study aimed to determine the effects of vitamin C and propolis-supplemented feeds on some blood parameters, lipid peroxidation, and activities of some antioxidant enzymes in broilers exposed to o...
Inhibitory Activity of Garlic Fermented by Pediococcus pentosaceus KACC 91419 against Antibiotic-resistant Pathogens
Pediococcus pentosaceus KACC 91419 Garlic Fermentation Antibiotics Resistance
2016/5/5
The aim of this study was to screen lactic acid bacteria for the fermentation of garlic and to assess the increase in inhibitory activity of garlic fermented against antibiotic-resistant pathogens for...
PCR-SSCP of Serum Lysozyme Gene (Exon-III) in Riverine Buffalo and Its Association with Lysozyme Activity and Somatic Cell Count
Polymorphism Lysozyme Gene SSCP Buffalo Association SCC Sequencing
2016/5/5
Serum lysozyme gene is one of the important genes influencing the immune system as its product can cause lysis of bacterial cell wall by cleaving the peptidoglycan layer. The present investigation on ...
Effect of Quercetin on the Activity and mRNA Expression of Antioxidant Enzymes and Physiological Responses in Olive Flounder (Paralichthys olivaceus) Exposed to Cadmium
Antioxidant LPO Lysozyme Quercetin ROS Cadmium Olive Flounder
2016/5/4
We investigated the antioxidant efficacy of quercetin (0% Diet 1, 0.25% Diet 2, and 0.5% Diet 3) pretreatment for 30 and 60 days in response to cadmium (Cd) toxicity in the olive flounder, and measure...
Synthesis, structural determination, and biological activity of new 7-hydroxy-3-pyrazolyl-4H-chromen- 4-ones and their o-b-D-glucosides
Chromones pyrazoles glucopyranosyl bromide glucosylation
2010/10/15
A convenient route to synthesize some new medicinally important 7-hydroxy-3-pyrazolyl chromones (3a-i) is described. The interaction of 7-hydroxy-3-formyl chromone (1) with various substituted acetoph...
Synthesis and antimicrobial activity of N-alkyl substituted p-methyl (E)-3- and 4-azachalconium bromides
N-Alkyl p-Methyl-(E)-3-, 4-azachalconium bromides antimicrobial activity
2010/10/15
Twenty new N-alkyl substituted p-methyl (E)-3- and 4-azachalcones (1a-j, 2a-j){3-[(1E)-3-(4-methylp-henyl)-3- oxoprop-1-en-1-yl]-1-alkyl (C_{5-12,_{14-15) pyridinium bromides (1a-j) and 4-[(1E)-3-(4-m...
Synthesis of some new biheterocyclic triazole derivatives and evaluation of their antimicrobial activity
1,2,4-Triazole 1H-indole 1,3,4-thiadiazole
2010/10/15
2-{3-(4-Substitutedbenzyl)-4-[2-(1H-indol-3-yl)ethyl]-5-oxo-4,5- dihydro-1H-1,2,4-triazol-1-yl}-N'-(aryl-methylene)acetohydrazides (5a-g), 4-amino-2-{-(4-substitutedbenzyl)-5-oxo-4,5-dihydro-1H-1,2,4-...
Abundance and single-cell activity of bacterial groups in Antarctic coastal waters
Abundance single-cell activity
2014/4/17
We estimated the abundance and single-cell activity of bacterial groups in waters off the West Antarctic
Peninsula (WAP) using a combination of microautoradiography and fluorescent in situ hybridizat...
Unraveling the role of land use and microbial activity in shaping dissolved organic matter characteristics in stream ecosystems
role of land use microbial activity in shaping dissolved organic matter in stream ecosystems
2014/4/17
Surface water samples were collected from 43 streams distributed throughout watersheds of mixed land use in southern Ontario, Canada. Absorbance and fluorescence spectroscopy with parallel factor anal...
Living at the border: A community and single-cell assessment of lake bacterioneuston activity
Living at the border A community single-cell assessment lake bacterioneuston activity
2014/4/17
We assessed the physicochemical properties of the surface microlayer (SML: first 900mm) and its underlying water (ULW: 0.2–0.5-m depth) and compared the composition and activity of their bacterial com...
Alkaline phosphatase activity and regulation in the North Pacific Subtropical Gyre
Alkaline phosphatase activity regulation the North Pacific Subtropical Gyre
2014/4/17
Alkaline phosphatase (AP) activity (APA) was measured at several stations in the North Pacific Subtropical Gyre in July 2008, and in a series of nutrient addition experiments: nitrate plus ammonium (+...
Spatiotemporal distribution and activity patterns of bacteria from three phylogenetic groups in an oligomesotrophic lake
Spatiotemporal distribution an oligomesotrophic lake
2014/4/16
We explored the seasonal and vertical patterns of cell numbers, biomass, and amino acid incorporation of three
major phylogenetic groups of the bacterioplankton in an oligomesotrophic alpine lake. Th...