dermal absorption of chemical contaminants from soil

... ANOVA Analysis of variance iv LIST OF TABLES Table 1.1 Overview of myxobacterial strains found in soil Table 1.2 A list of published bioactive compounds 16 Table 2.1 List of laboratory ... 3.10 The Trolox equivalent concentration of extracts from p and VY3 media 49 Table 3.11 ANOVA analysis of polyphenol content data of samples 51 V LIST OF FIGURES Figure 1.1 Group and solitary-based ... strains capable of producing anticancer substances So the thesis named "Antioxidant activity of myxobacteria isolated from the soil" was performed to satisfy four objectives: - Isolation of myxobacteria

Ngày tải lên: 13/11/2022, 08:50

... phosphate concentration of 50 mm (Table 2). Likewise, under conditions of chemical res- cue of K512A by 200 mm of propargylamine, k cat ⁄ K m for phosphate increased from a value of 0.014 m )1 Æs )1 at ... some of the affinity of wild-type treha- lose phosphorylase for phosphate. Therefore, to what extent the function of the original side chain of Lys512 can be gauged by the results of our chemical ... concentration of phosphate was varied at a constant concentration of a,a-trehalose (400 mm) in the absence or presence of different constant concentrations of vanadate. Enzymatic rates of hydrolysis of

Ngày tải lên: 30/03/2014, 04:20

... detailed analysis of the variations of the spectral shape of σa,s and is defined as the negative slope of the logarithm of absorption coefficient as a function of wavelength and is given by: | 25 ... the variations of the spectral shape of σs,a The single scattering albedo, ω0 , ranges from 0.622 to 0.985 (mean = 0.913, StD = 0.052) and the relation of this property to the absorption/ scattering ... was to acquire a comprehensive physical and chemical characterization of local aerosol It was part of the participation of the Atmospheric Optics Group of Valladolid University to the International

Ngày tải lên: 11/01/2020, 23:19

... determines the type and location of human managed ecosystems, such as agricultural farmlands Climate affects the weathering of rock, the type of soil that forms, and the rate of soil formation Climate ... of measurable physical, chemical and biological soil properties attributes which relate to functional soil processes By considering know I interested to know the impact of climate change on chemical ... know the impact of climate change on chemical properties of soil Soil chemical properties affected by the climate change Soil pH, Rate of acidification or alkalization, Electrical conductivity,

Ngày tải lên: 13/01/2020, 22:27

... that live in the soil play important role in maintaining life of this planet These soil organisms produce different type of enzymes Amylase is one of them that is produce by soil bacteria and ... 2013) The soil samples were collected from the different area of college garden in sterile container with the help of sterile spatula and stored at 4ºC until used Tenfold serial dilutions of soil ... strain from soil The study also included characterization and optimization of the produced amylase producing bacteria Soil was chosen as a source of bacterial isolation due to the availability of

Ngày tải lên: 14/01/2020, 15:32

... Republic of? ?Korea Pohang Center for Evaluation of? ?Biomaterials, Pohang Technopark Foundation, Pohang 37668, Republic of? ?Korea Full list of author information is available at the end of the article ... the quality of food There is extensive loss of nutritional values of the raw and processed food products due to the oxidative degradation of lipids Hence to protect food products from such damages, ... order of elution, SI library search of purity value of a compound, RT retention time (min), RA relative area Patra et al Chemistry Central Journal (2017) 11:34 Page of 10 Fig. 1  GC–MS spectra of

Ngày tải lên: 29/05/2020, 14:00

... the isolation of organisms from soils Serial dilutions of the soil sample was prepared by taking 1.0 gm of soil into 9.0 ml of sterile distilled water and mixed well to get uniform soil suspension ... Collection of soil samples Soil samples were collected from different locations of Cooch Behar and Jalpaiguri districts of West Bengal from cultivated land Samples were withdrawn at a depth of 0-10 ... isolated from soils collected from Cooch Behar and Jalpaiguri districts of West Bengal Isolate Az-12 was found to have fixed maximum amount of nitrogen (12.66 mg) at the cost of one gram of sugar

Ngày tải lên: 02/07/2020, 23:46

... physico -chemical characteristics like colour, pH and temperature were measured on the same day of collection of sample as per Table The raw sewage was black in colour because of the types of dyes ... highest decolourisation of different concentrations of dyes by selected organisms were in the range of 12% to 94% for Reactive Black GDN The isolation of different microorganisms from the sample indicates ... 10(04): 103-115 Table.1 Characteristics of samples collected from different stages of Sachin GIDC, Surat Sr Sample Effluent Effluent Soli Soil Nature of Sample Liquid Liquid solid solid Colour

Ngày tải lên: 28/06/2021, 09:36

... general, the chemical compositions of V negundo from Viet Nam are markedly different from the compositions of V negundo from India 150 Essential oil composition and larvicidal activity of Vitex negundo ... increased at the rate of °C/min to a maximum of 260 °C Aliquots of each of the V negundo essential oils were diluted to % w/v solutions in dichloromethane and a volume of 0.1 μL was injected ... aegypti eggs were obtained from the Institute of Biotechnology, Vietnam Academy of Science and Technology, and mosquito larvae raised in the Laboratory of Department of 144 Essential oil composition

Ngày tải lên: 28/06/2021, 15:47

... Department of Chemistry, Shah Abdul Latif University, Khairpur, Sindh, Pakistan Department of Chemistry, University of Zululand, KwaDlangezwa, South Africa School of Chemistry, University of Manchester, ... films/nanoparticles of semiconductors 4−10 A number of methods are used to grow the thin films, including spray pyrolysis, 11 chemical bath deposition, 12 and chemical vapor deposition 13−19 Chemical vapor ... as-deposited films of CdS showed different morphologies In the middle position of substrate, films exclusively consist of flake-like structures, while at the edges of substrate, the crystallites of film

Ngày tải lên: 12/01/2022, 23:30

... vi LIST OF ABBREVIATIONS C1, C2, C3 Chemical soil group 1, Chemical soil group 2, Chemical soil group I1, I2, I3 Intensive chemical soil group 1, Intensive chemical group 2, Intensive chemical ... LIST OF TABLES Table 2.1 Equipment of studies Table 2.2 samples of chemical soil Table 2.3 samples of intensive chemical soil 10 Table 2.4 samples of transition soil ... all methods Chemical soil (silty), intensive chemical soil (silty) and transition soil group (sandy) can extract and show good results of DNA quantity: chemical soil and transition soil group

Ngày tải lên: 21/04/2022, 15:48

... DẦU VỎ VÀ LÁ CITRUS P T L Chi, P V Hung, and N T L Phi, “Optimization of extraction condition of essential oil from peel of Citrus limonia Osbeck by response surface method,” presented at the ... Journal of Food Science and Nutrition, vol.3, pp 152-156, 2018 Tạp chí nước P T L Chi, V T T Tuyen, and N T L Phi., “Antioxidant and antimicrobial activities of essential oils of different kinds of ... quốc tế N T L Phi, P T L Chi, and M Sawamura, ? ?Chemical compositions and antioxidant of essential oils of Citrus in Vietnam,” presented at Proceedings of FOOMA Japan 2017, Tokyo, Japan, 2017 A PHẦN

Ngày tải lên: 19/10/2022, 23:10

... safety of food A variety of approaches can be applied, ranging from consumer advice, codes of practice and, ultimately, regulatory limits for the maximum permitted concentration of chemical contaminants ... reduce dietary exposure to chemical contaminants Based on expert opinion, a general framework for evaluation of the effectiveness of measures to reduce human exposure to food contaminants was developed ... evaluation of the effect of a measure is often an overlooked step in risk analysis process The aim of this study was to develop a systematic approach for determining the effectiveness of mitigation

Ngày tải lên: 02/11/2022, 08:54

... one of the best-studied bacterial groups in soil, and includes numerous species of environmental interest Pseudomonas species play key roles in soil, for instance in biological control of soil- borne ... signi¢cantly, in the bulk soil of the grassland than in that of the arable land In the November samples, higher numbers of total and £uores- Table Pseudomonas populations (log CFU g31 of dry soil) in bulk ... DGGE of the V1^V3 regions was ¢ve, while, on the basis of the V6/V7 regions, maximally eight bands were detected in the pro¢les obtained from the same soil samples (Fig 1B) 3.3.3 PCR-DGGE of soil

Ngày tải lên: 02/11/2022, 08:59

... (total) Chemical weathering chemical weathering flux % of total Chemical weathering chemical weathering % of total Carbonate with soil shielding / flux % of total Chemical weathering weathering chemical ... spot” of chemical weathering In contrast, only 50% of runoff is attributed to 10% of the land area; thus the global chemical weathering curve is to some extent disconnected from the global runoff ... concentration of chloride was zero 2.3 Phosphorus mobilization by chemical weathering It is assumed that release of P from chemical weathering to soils and ecosystems is proportional to the release of SiO2

Ngày tải lên: 02/11/2022, 10:45

... efficacy of a variety of methods including different normalization, feature selection, classification algorithms for the classification of gene expression profiles of 105 chemicals into 14 classes of ... cancer-related safety of environmental and industrial chemicals [15-18] Several strategies have been employed to classify expression profiles based on exposure to chemicals of known mechanisms of action ... liver is the major site of chemical metabolism and a principle organ affected by the toxicity of chemical compounds [12,25,26] Primary cultured cells such as hepatocytes offer a convenient in vitro

Ngày tải lên: 02/11/2022, 11:36

... Mass of beam Length of beam Width of beam Height of beam Second moment of area of beam Young’s modulus (i: ice, a: aluminium) Height of section (i: ice, a: aluminium) Distance between midpoint of ... diameter of the bubble surface tension coefficient of water final velocity of bubble Approach velocity of bubble Acceleration/deceleration of bubble Angle of impingement Upward force of the rising ... heat ratio of air interfacial tension Radius of bubble Density of water gravitational acceleration thermal diffusivity of gas speed of sound in water speed of sound in air shear viscosity of water...

Ngày tải lên: 08/09/2015, 18:19

... 1.5 14 17 Migration of monomers / additives from polymers used in food contact materials 1.6 State -of- the-art analytical methods for determining amount of 18 contaminants from food packaging ... XV - LIST OF TABLES Page Table 1.1 Summary of results available from other research groups 11 Table 2.1 Recoveries of analytes obtained using different types of SPE elution solvents from the optimization ... protects the bare metal from interactions with the food components Flavor changes may result from the interaction of the coating components or from adsorption of flavor agents from the packed food...

Ngày tải lên: 14/09/2015, 08:39

... that application of biosolids at a rate of 11 t ha-1 increased availability of Cu in soil, but that neither Cu nor Zn was leached from surface soil [1] Conclusions Application of biosolids as ... biosolids treatment involved application of 7-63 t ha-1 of composted manure or 10-90 t ha-1 of chicken manure incorporated into the top 20 cm of the soil The topsoil bulk density was 1.2 t m-3 for ... disposal of waste products and has the beneficial aspects of adding valuable plant nutrients and organic matters to soil [10] Biosolids is a beneficial soil amendment, especially for arable soils of...

Ngày tải lên: 05/03/2014, 16:20

... chemical and physical properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices ... number of molecular structures The values of these latter parameters, in most instances, must be derived from measurements or from the expert judgment of specialists in that particular area of chemistry ... efforts involving thousands of chemicals In fact, physical and chemical properties have only actually been measured for about percent of the approximately 70,000 industrial chemicals listed by the...

Ngày tải lên: 22/03/2014, 14:20