content chemical composition and antimicrobial and cytotoxic activities of essential oils from four mentha species
Chemical composition antioxidant and antimicrobial activities of essential oils extracted from citrus varieties in vietnam
... of citrus essential oils 39 4.3 Chemical compositions of citrus essential oils 40 4.3.1 Chemical compositions of lime essential oils 40 4.3.2 Chemical compositions of ... hydro-distillation The essential oils were characterized for their chemical compositions, antioxidant and antimicrobial activities GC analysis of the chemical compositions of the isolated essential oils revealed ... yield and quality of citrus essential oils Therefore, the objective of this study is to determine chemical composition, antimicrobial and antioxidant activities of Vietnamese citrus essential oils...
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Báo cáo toán học: "Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." docx
... the essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical and ... necessity and in this regard, plant essential oils may offer a great potential and hope Several studies have reported the efficacy of antibacterials obtained from the essential oils of various plant species ... Demirci B, Dadandi MY, Baser KHC (2008) Antibacterial activity of two Phlomis essential oils against food pathogens Food Control 19:1159– 1164 Table Chemical content of essential oils of L resedifolia...
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báo cáo hóa học:" Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." potx
... the essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical and ... necessity and in this regard, plant essential oils may offer a great potential and hope Several studies have reported the efficacy of antibacterials obtained from the essential oils of various plant species ... Demirci B, Dadandi MY, Baser KHC (2008) Antibacterial activity of two Phlomis essential oils against food pathogens Food Control 19:1159– 1164 Table Chemical content of essential oils of L resedifolia...
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Báo cáo hóa học: " Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L" pdf
... composition of the essential oils of this endemic species Chahma A voucher specimen was deposited at the herbarium under the number NG 27 2.1 Isolation of essential oils An aliquot of 200 g of ... necessity and in this regard, plant essential oils may offer a great potential and hope Several studies have reported the efficacy of antibacterials obtained from the essential oils of various plant species ... al.: Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Organic and Medicinal Chemistry Letters 2012 2:2 Submit your manuscript to a journal and benefit...
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Study on chemical constituents and biological activities of some plants of boerhaavia genus (nyctaginaceae)
... Chemical structure of phenolic compounds 83 3.1.7 Chemical structure of steroids and terpenoids 101 3.1.8 Chemical structure of other compounds 110 3.2 Biological activities of extracts and isolated ... erecta for chemical investigation The aim of this research is to isolate and structurally elucidate the compounds and to test biological activities of the compounds from these three species of the ... OA of the mixed solution (*) with replacement 25µl of buffer B, instead of 25µl of samples OA2: the OA of the mixed solution (*) with replacement 50µl of buffer B, instead of 25µl of samples and...
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Study on chemical constituents and biological activities of the lichen parmotrema Praesorediosum(NYL ) hale(parmeliaceaf)
... IR, MS and NMR spectra of PRAES-C1 146 Appendices 8-15: IR, MS and NMR spectra of PRAES-E14 149 Appendices 16-21: MS and NMR spectra of PRAES-C10 153 Appendices 22-26: MS and NMR spectra of PRAES-C11 ... activity of methanol extract of P pseudotinctorum from the Western Ghats of Karnataka Sinha and Biswas [69] reported the antibacterial efficacy of solvent extracts of P reticulatum from Sikkim, ... parents for believing in me and for being proud of me Their unconditional love and support has given me the strength and courage while I am far from home THANK YOU iv TABLE OF CONTENTS DECLARATION ...
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STUDY ON CHEMICAL COMPOSITIONS AND BIOLOGICAL ACTIVITIES OF annona glabra l
... compositions and biological activities of Annona glabra L So, the thesis’s title was proposed to be "Study on chemical compositions and biological activities of Annona glabra L." Subject and contents of ... Subject is the leaves and fruits of Annona glabra - The aims of the thesis: Extraction and isolation of secondary metabolites from A glabra; Determination of chemical structure of the isolated compounds; ... spectrum of Figure 4.32 COSY spectrum of 4.2 Evaluation of biological activities Figure 4.29 DEPT spectrum of Figure 4.31 HMBC spectrum of Figure 4.33 NOESY spectrum of t 4.2.1 Cytotoxic activity of...
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Study on the chemical components of essential oils from amomum tsao ko with different methods
... ram Fig 3 T he G C fing erprint og ram o f the v olatile o il from Amo mum of the v ola tile oil f rom A momum ch romato gr am of the vo latile oil fro m tsao-ko(steam distillatio n) tsao-ko ... %[ 4] 。 超声波萃取法 超声波萃取法选定 因素(超声功率 、萃取剂用 量 、超声时间)、3 水平做正交实验 , 以挥发油的相对 表 正交实验结果 T able Results of o rthog onal test 序号 粉碎粒度 (目) 萃取剂用量 (ml) 辐照时间 (s) 萃取率 (%) 20 120 100 3 20 20 160 200 ... -T hujene 45 58 58 β-蒎烯 辛醛 β-Pinene Octanal 45 49 96 52 01 61 β-月桂烯 α -菲兰烯 β-M y rcene α -Phellandrene 41 41 47 35 61 54 10 3-篦烯 对聚伞花烃 3-Carene P-Cymene 19 79 19 55 20 92 11 12 , 8-按油素 罗勒烯 1,...
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Báo cáo y học: "Antimicrobial and antioxidant activities of Cortex Magnoliae Officinalis and some other medicinal plants commonly used in South-East Asia" doc
... Magnoliae Officinalis, exhibited a broad spectrum of antimicrobial activities One possible reason is the presence of essential oils and active polyphenolic compounds which possess antimicrobial activities ... discovery of synergism between magnolol and honokiol Ethanolic extract of Folium Murraya Koenigii and boiled extract of Herba Polygonis Hydropiperis showed 80% and 50% of the activities of streptomycin ... These standard-loaded discs were freshly prepared before the antimicrobial screening experiments Screening of antimicrobial activities of plant extracts The antimicrobial activities of the extracts...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... 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 ... function of pH in terms of the microconstants If we start from the neutral species (uncharged species) rather than from the positively charged species, the fraction of any microscopic species ... the fraction of neutral species would be 1/DT and the fraction of a singly ionized species would be ki * [ H +]Li /DT The fraction of any distinct species as function of pH (fraction -species curve)...
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Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot
... addition of 10 lL 10% aqueous trifluoroacetic acid and immediately injected onto RP-HPLC and fractions collected were collected and analyzed with ESI and MALDI-MS Chemical reduction The native and ... increments in t1 and spectral widths of 8000 Hz and 17 591 Hz in the 1H and 13C dimensions, respectively A total of 256 summed scans were collected with a relaxation delay of 1.3 s All 1H and 1H-13C ... determination of two conotoxins from Conus textile by a combination of matrix-assisted laser desorption/ionization time -of- flight and electrospray ionization mass spectrometry and biochemical methods...
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Báo cáo khoa học: Chaperone and antichaperone activities of trigger factor pdf
... the incorrect association of aggregation-prone species and thus favors the pathway to formation of native lysozyme, Ó FEBS 2002 Chaperone and antichaperone activities of trigger factor (Eur J ... absorbance coefficients of 36 636 M)1Ỉcm)1 for native lysozyme and 33 014 M)1Ỉcm)1 for denatured lysozyme The time course of reactivation of lysozyme was followed by determining activities of samples withdrawn ... pellets instead of urea and samples were examined on both reducing and nonreducing gels, respectively RESULTS Refolding of lysozyme in phosphate buffer The spontaneous refolding of reduced and denatured...
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báo cáo hóa học: " Dexamethasone diminishes the pro-inflammatory and cytotoxic effects of amyloid β-protein in cerebrovascular smooth muscle cells" docx
... Eagle medium (DMEM) and fetal bovine serum was obtained from Gibco-BRL (Grand Island, NY) Dexamethasone, ibuprofen, and indomethacin were obtained from Sigma (St Louis, MO) and resuspended as ... design and carried out cytotoxicity experiments, ELISA, and zymography, and data analysis WZ carried out cytotoxicity experiments, thioflavin T fluorescence assays, quantitative immunoblotting, and ... expression and activation of MMP-2 in response to Dutch mutant Aβ40 (Figure 5) On the other hand, indomethacin and ibuprofen, which did not block HCSM cell death, did not suppress expression and activation...
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Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf
... (Hc) of 355.8 and 93.6 Oe, respectively, for NCs and PSC, saturation magnetizations (Ms) of 125.7 and 162.5 emu/g, respectively, for NCs and PSC, and remnant magnetization (M r ) up to 46.6, and ... were produced and the diameter of individual Co NCs is approx 60 nm For microanalysis, HRTEM, SAED, and EDS were employed for phase, and composition of single NCs A HRTEM image taken from a single ... http://www.nanoscalereslett.com /content/ 6/1/285 Page of published SY and YQ: partly carried out the TEM and HRTEM experiments, as well as drafted the manuscript XL, LS, and HL: conceived of the study, and participated...
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Báo cáo hóa học: "Modification of alumina matrices through chemical etching and electroless deposition of nano-Au array for amperometric sensing" pot
... the bottom of the pores can be attained through step-wise decrease of anodizing voltage, several steps of chemical etching and electroless deposition of nano-Au species at the bottom of alumina ... to Ua,fin; (ii) chemical etching in a solution of 0.5 M phosphoric acid at 30 °C for time sw and (iii) electroless deposition of zinc/nickel layer in the immersion solution of zinc and nickel fluorborates ... acids, chemically pure salts and Milli-Q water Reproducibility of the measurements was checked by repeated experiments Results and discussion We found that the quality of perforation of alumina...
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Báo cáo y học: "Modeling antibiotic and cytotoxic effects of the dimeric isoquinoline IQ-143 on metabolism and its regulation in Staphylococcus aureu" pot
... http://genomebiology.com/2011/12/3/R24 Page 10 of 18 Table Effects of IQ-143 on diverse enzymes of oxidative phosphorylation and energy and nucleotide metabolism of S aureus USA300 and S epidermidis RP62A Concentration of IQ-143 ... administration of IQ-143: the nicotinamide-adenine dinucleotides NAD+, NADH and NADP show substantial decreases of between 10 and 30% and between 30 and 50% dependent on the applied concentration of the ... IQ-143 and two different concentrations of it are listed in Tables S7, S8, and S9 (S aureus), S10, S11, and S12 (S epidermidis), and S12, S13, S14, and S15 (human) Cell culture Cells of S aureus...
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Báo cáo sinh học: "Correlation between antibutyrylcholinesterasic and antioxidant activities of three aqueous extracts from Tunisian Rhus pentaphyll" potx
... et al Annals of Clinical Microbiology and Antimicrobials 2011, 10:32 http://www.ann-clinmicrob.com /content/ 10/1/32 Page of Table Quantitative Phytochemical Screening (%) of extracts from Rhus pentaphyllum ... presence of tannins and flavonoids by using the methods previously described by Mansour et al [20] Two Page of milligrams of each extract were dissolved in ml of water The identification of major chemical ... between antibutyrylcholinesterasic and antioxidant activities of three aqueous extracts from Tunisian Rhus pentaphyllum Annals of Clinical Microbiology and Antimicrobials 2011 10:32 Submit your...
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Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng 9 tr 25