skin penetration of cosmetic ingredients and contaminants

Handbook of cosmetic science and technology second edition

Ngày tải lên : 03/03/2014, 11:56

... book Details of most of the above ﬁelds are covered in the different volumes of the ‘ Cosmetic Science and Technology’’ series In the ﬁrst edition of the ‘‘Handbook of Cosmetic Sciences and Technologies,’’ ... measurements of Asian skin are inconclusive, as they have been found to be equal to those of black skin and greater than those of Caucasian skin, equal to those of Caucasian skin, and less than ... whites, and 12 Hispanics to account for degree of skin pigmentation, matched for age and gender, and measured TEWL, WC (via skin conductance), skin thickness, and biomechanical properties, such as skin...

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Analysis of Chemical Toxicants and Contaminants in Foods

Ngày tải lên : 11/01/2016, 13:49

... additives, natural poisons, and other chemical and microbial contaminants in food and feed Journal of the Association of Official Analytical Chemists Same coverage as the compendium of the AOAC, but including ... development and commercialization of a number of instruments for the detection and measurement of chemicals of interest, and a much improved ability to distinguish between the target analyte and some ... of each?” MRMs will provide information on a much broader range of chemicals than SRMs for a similar investment of time and energy.9 The FDA and other agencies often use simplified versions of...

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Báo cáo khoa học: nNOS inhibition, antimicrobial and anticancer activity of the amphibian skin peptide, citropin 1.1 and synthetic modiﬁcations pot

Ngày tải lên : 17/03/2014, 09:20

... concentration of 4.9 mM and a measured pH of 4.12 NMR spectra were acquired on a Varian Inova-600 NMR spectrometer at a 1H frequency of 600 MHz and 13C Table Antibiotic activites of Citropin 1.1 and synthetic ... anticancer and antibacterial activity of membrane active peptides, suggests that the anticancer activity is also due to penetration and disruption of the membranes of the cancer cells The selectivity of ... antibiotic peptide in the secretion of the skin glands of L citropa [9] It is one of the most potent membrane-active antibiotic peptides isolated from amphibians and is particularly effective against...

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Báo cáo " Reconstructing sedimentary environments of MR1 core and investigating facies’ geotechnical properties through the piezocone penetration test in the Late Pleistocene-Holocene periods in the Mekong River Delta " docx

Ngày tải lên : 22/03/2014, 12:20

... greenishgray clay and silt, greenish-gray sandy silt and fine to coarse sand in a coarsening-upward succession It is inhomogeneous, with several sandy layers of various thicknesses, some of the sandy layers ... Estuarine marine sand and sandy silt facies This facies corresponds to lithostratigraphic Unit The textural characteristics and the presence of mollusca indicate that sand and sandy silt were deposited ... coarse sand The delta front facies is particularly attractive and can be considered one of the unique characteristics of the MR1 core The sediments are sand and silty sand The coarse sandy layers...

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Báo cáo khoa học: A novel pathway for sequential transformation of 7-dehydrocholesterol and expression of the P450scc system in mammalian skin pptx

Ngày tải lên : 23/03/2014, 13:20

... with chloroform/methanol (1 : 1, v/v), and the associated radioactivity measured by scintillation counting Fig Expression of MLN64 protein (arrow) in human skin (left) and human and rodent skin cells ... rate of 0.5 mLÆmin)1 and temperature of 40 °C The mobile phase from to 30 consisted of 85% (v/v) methanol and 0.1% (v/v) acetic acid, and from 30 to 75 of 98% (v/v) methanol and 0.1% (v/v) acetic ... the Center of Excellence in Connective Tissue (to A.S and J.Z.) and Center of Excellence in Genomics and Bioinformatics (to A.S.), UTHSC, and NIH grants 1R01-AR047079-01A2 (to A.S.) and RR017854...

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Báo cáo khoa học: The heterogeneity of mast cell tryptase from human lung and skin Differences in size, charge and substrate afﬁnity ppt

Ngày tải lên : 31/03/2014, 07:20

... relative proportions of the two enzymes.) pH prole Fig Mathematical modeling of the behavior of a mixture of isoforms of an enzyme (A) Hanes plot of a theoretical mixture of isoforms of an enzyme for ... readily and to a greater extent in lysates of skin mast cells than in those of lung Previous comparisons of the activity of skin and lung tryptase appeared to have examined only one preparation of ... pattern of bands reminiscent of that for lung mast cells over a similar range of pI and molecular mass Tryptase monomers identied in the blots of the skin mast cell lysates exhibited a wider range of...

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Additives and contaminants 1 - Principle of food chemistry

Ngày tải lên : 23/05/2014, 13:27

... chemical and physical properties of both food and preservative, the conditions of storage and handling, and the assurance of a high initial quality of the food to be preserved (Davidson and Juneja ... definitions and standards of identity for the enrichment of wheat flour, farina, corn meal, corn grits, macaroni, pasta products, and rice These standards define minimum and maximum levels of addition of ... transfer of packaging components to the food consisted predominantly of metal (iron, tin, and lead) uptake With the advent of extensive use of plastics, new problems of transfer of toxicants and flavor...

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Additives and contaminants 2 - Principle of food chemistry

Ngày tải lên : 23/05/2014, 13:27

... leaves, seeds, and fruits of more than 63 species of plants growing all over the world It occurs as a constituent of coffee, tea, cocoa, and chocolate, and is an additive in soft drinks and other ... lead and tin may be taken up by foods from the tin of cans and from the solder used in their manufacture The amounts of lead and tin taken up depend on the type of tin plate and solder used and ... (PCDD) and Polychlorinated Dibenzofurans (PCDF) The dioxins are produced as contaminants in the synthesis of certain herbicides and other chlorinated compounds, as a result of combustion and incineration,...

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opinion of the scientific committee on cosmetic products and non food

Ngày tải lên : 25/05/2014, 17:46

... Haveland-Smith RB (1982) A review of the genotoxicity of food, drug and cosmetic colours and other azo, triphenylmethane and xanthene dyes Mutat Res 98: 101248 CSTEE (1999) Opinion on risk of cancer ... marketing and use of certain dangerous substances and preparations Official Journal of the European Communities L 333 1-84 EEC (1999) Directive 1999/43/EC of the European Parliament and of the Council ... marketing and use of certain dangerous substances and preparations Official Journal of the European Communities L 166 87-90 EEC (2000) Amended proposal for a directive of the European Parliament and of...

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Comparison of cosmetic earnings management for the developed markets and emerging markets some empirical evidence from the united states and taiwan

Ngày tải lên : 12/06/2014, 19:37

... management include the selection of the timing of new accounting principles, the selection of accounting standards, the control of transaction times, and the adjustment of discretionary accruals (Dechow ... investigate the extent of changes on cosmetic earnings management, which uses Taiwan2 as the proxy of emerging market and the United States as the proxy of developed market Hypotheses and mathematical ... degree of cosmetic earnings management of publicly listed companies in developed markets after 2003 will not be signiﬁcantly weaker than before 2003 H2b The degree of cosmetic earnings management of...

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Báo cáo hóa học: " Characterisation and Skin Distribution of Lecithin-Based Coenzyme Q10-Loaded Lipid Nanocapsules" ppt

Ngày tải lên : 21/06/2014, 17:20

... (CoQ10 and GTCC), and the amount of lipid (CoQ10 and GTCC) was kept at a fixed concentration of 12.5% (w/w) with regard to the total mass of 100 g Briefly, CoQ10 and GTCC were mixed at 60°C, and then ... fluorescent images of skin slices applied with CoQ10-LNCs-0; and f fluorescent images of skin slices without of any application of CoQ10-LNCs Conclusion Fig Fluorescent ABU values of superficial dermis ... heating enthalpy change and a high likelihood of a supercooled state The decrease of melting point and CI and the presence of supercooled state were explained by the effect of the nanometre particle...

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Báo cáo khoa học: "Prognostic factors for lymph node metastasis from advanced squamous cell carcinoma of the skin of the trunk and extremities" doc

Ngày tải lên : 09/08/2014, 07:21

... Carcinoma of the skin of the trunk and limbs: The incidence of metastases and their outcome Aust N Z J Surg 1992, 62:697-701 Ames FC, Hickey RC: Squamous cell carcinoma of the skin of the extremities ... design, analysis of data; TS: Acquisition and analysis of data; NMP: Acquisition and analysis of data; ALC: Interpretation of data, critical review, design All authors read and approved the final ... carcinoma of the skin and lip J Am Acad Dermatol 1989, 21:241-248 Vauterin TJ, Veness MJ, Morgan GJ, Poulsen MG, O'Brien CJ: Patterns of lymph node spread of cutaneous squamous cell carcinoma of the...

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báo cáo khoa học: " Berry skin development in Norton grape: Distinct patterns of transcriptional regulation and flavonoid biosynthesis" docx

Ngày tải lên : 11/08/2014, 11:21

... berry skin A concise summary of coordinated transcription of key genes and biosynthesis of anthocyanins and PAs in the developing berry skin is presented in Figure Transcript levels of F3’H and ... at some stages of berry skin development, but the Page 11 of 23 expression patterns of some of them were distinct between the two varieties (Figure 4) Expression profiles of MYBA1 and MYBA2 are ... representation of qPCR and HPLC data for visualizing the coordination of transcriptional regulation of the genes and the total amounts of anthocyanins and proanthocyanidins in Cabernet Sauvignon and Norton...

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Báo cáo sinh học: "Comparison of electrically mediated and liposome-complexed plasmid DNA delivery to the skin" ppt

Ngày tải lên : 14/08/2014, 19:22

... cellular integrity and reduce expression Figure ery of plasmid by EP on days 0, 2, and Duration and levels of skin luciferase expression after delivDuration and levels of skin luciferase expression ... of skin luciferase expression after delivFigure ery of plasmid by EP on days 0, 10, and 20 Duration and levels of skin luciferase expression after delivery of plasmid by EP on days 0, 10, and ... Figure Comparison of liposome and EP delivery of plasmid DNA Comparison of liposome and EP delivery of plasmid DNA Luciferase expression in mouse skin 48 hours after delivery of 100 μg gWizLuc...

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Effects of lattice legs and sleeves on spudcan penetration performance

Ngày tải lên : 05/10/2015, 13:53

... Figure 3.13b Profile of estimated effective unit weight of normally consolidated clay 68 Figure 3.13c Profile of moisture content of over-consolidated clay 69 xii Figure 3.13d Profile of estimated ... area of spudcan V volume of embedded spudcan inclusive of shaft Vb volume of embedded spudcan Vo vertical penetration resistance v velocity of penetration or extraction w moisture content z penetration ... depth of penetration of spudcan, p is the effective overburden pressure, V is the combined volume of embedded spudcan and leg and A is the largest cross sectional area of the spudcan Deep penetration...

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A study on lexical and syntactic features of cosmetic product advertisements in english and their vietnamese equivalents

Ngày tải lên : 24/06/2016, 21:32

... relationships of place (at, on, by, opposite), of direction (towards, past, out, of, to, through), of time (at, before, in, on), of comparison (as, like), of source (from, out of) , and of purpose ... are made up of units of sound called phonemes, and written words of symbols called graphemes, such as the letters of the English alphabet (37) Types of Words There are thousands of words in any ... features of cosmetic product advertisements and other advertisements Since then, the study towards an overview about common features and distinctions (in terms of lexical and syntactic features) of cosmetic...

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Chromium speciation in municipal solid waste: Effects of clay amendment and composting

Ngày tải lên : 23/09/2012, 14:48

... Ecosystems and Environment, 27, 493-503 Qiao, L., Hofstede, H and Ho, G E (1993) The mobility of heavy metals in clay amended sewage sludge and municipal solid waste compost In: Proceeding of 9th ... fixing of the free metal ions through metal precipitation as hydroxides and carbonates, adsorption onto oxides and mineral surfaces and chemisorption or complexation with inorganic ligands The ... 1993) In order to determine the long-term fate and potential hazard of land application of MSW compost, it is necessary to investigate the speciation of heavy metals Difficulties in studying this...

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Assessment of source of air, water, and land pollution

Ngày tải lên : 23/09/2012, 16:00

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Báo cáo khoa học: " Medication errors: a prospective cohort study of hand-written and computerised physician order entry in the intensive care unit"

Ngày tải lên : 25/10/2012, 10:39

... the remit of the local ethics committee Prior to introduction of CPOE, local standards of prescribing existed specifying the tenets of good practice, including the avoidance of the use of abbreviations ... decision support, in several ways We compare the rates and types of MEs and the potential outcome of intercepted and non-intercepted errors Materials and methods In April 2002, University College Hospitals ... for days; and 18 December 2002 for days Available online http://ccforum.com/content/9/5/R516 Table Types of medication errors before and after implementing CPOE HWP (no of errors and % of total...

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Báo cáo y học: "A Comparison of Immuncapture Agglutination and ELISA Methods in Serological Diagnosis of Brucellosis"

Ngày tải lên : 25/10/2012, 10:56

... Brucellacapt and Coombs tests in terms of sensitivity and specificity in the diagnosis and follow-up of brucellosis and it was concluded that the results were similar in the follow-up of patients ... purpose of this study is to compare the diagnostic values of Immuncapture agglutination and ELISA methods, which are used for the diagnosis of brucellosis with reference to Coombs test MATERIAL AND ... 1/5120 positive and 1/10240 positive ELISA results, on the other hand, were divided into positive and negative and a distribution table was structured according to the results of immuncapture...

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