chitin chitosan and their oligosaccharides versus other polymers in antimicrobial activity
báo cáo hóa học:" Response shift, recall bias and their effect on measuring change in health-related quality of life amongst older hospital patients" pdf
... evaluation of change in self-reported outcomes involves completion of a standardised measurement instrument at a certain time point (e.g pre-treatment) and then again at a later time point (e.g post ... Participants and setting This investigation included a sample of 103 participants taking part in larger randomised controlled trial at a tertiary hospital in Brisbane, Australia The larger trial investigated ... populations similar to those included in this study Other patient groups and older adults in differing circumstances may not have responded in the same way as participants in this investigation Furthermore,...
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Báo cáo khoa học: " Comparison of rectal volume definition techniques and their influence on rectal toxicity in patients with prostate cancer treated with 3D conformal radiotherapy: a dose-volume analysis" ppt
... necessitating a major surgical procedure (laparatomy, colostomy, long stay in hospital); and grade = death Grades and rectal bleeding is defined as incidental or intermittent bleeding requiring no ... were reported in 34 (36%), 36 (38%), and (9%) patients, respectively Rectal bleeding was reported in 13 (14%) patients, and were graded as grade in 12 (13%), and grade in the remaining (1%) This ... contouring in RT planning for prostatic carcinomas The length of rectum contoured has been defined in different ways by different authors Examples of these definitions include: cm above and below...
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Báo cáo y học: "Gender differences in suicidal expressions and their determinants among young people in Cambodia, a post-conflict country" doc
... suicidal expressions and their determinants among high school students in Cambodia, a post-conflict country in economic, political, and social transition Methods Setting In Cambodia, there are ... complaints, social problems, thought problems, attention problems, and rule-breaking behavior The syndrome profiles are further coalesced into two broad syndromes, internalizing and externalizing ... both internalizing syndrome (p = 0.021) and externalizing syndrome (p = 0.000) in young men The total life skills score was inversely correlated with rule-breaking behaviour (p = 0.001) and externalizing...
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báo cáo khoa học: " Survey of smokers'''' reasons for not switching to safer sources of nicotine and their willingness to do so in the future" pdf
... quitting smoking, but continuing to use nicotine, by switching from smoking to this product? 90% (86%, 94%) 60% (54%, 66%) 56% (50%, 62%) Reasons for not considering switching1 I believe that using ... cigarettes smoked Counselling or a stop-smoking clinic or program Switched to chewing tobacco or snuff Medicinal nicotine products Zyban/Wellbutrin/Buproprion or other medication Other methods 217 24 ... Results and discussion The results appear in Tables 1, and Participants' current smoking status was based on observing them smoking before, during, or soon after completing the survey Their demographic...
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Báo cáo y học: "Matrix metalloproteinases and their inhibitors: promising novel biomarkers in severe sepsi" ppt
... 2005, 142:12-20 Pugin J, Widmer MC, Kossodo S, Liang CM, Preas II HL, Suffredini AF: Human neutrophils secrete gelatinase B in vitro and in vivo in response to endotoxin and proinflammatory mediators ... diagnosis and therapy in critically ill patients, and may consecutively influence the morbidity and mortality of these patients 13 The implementation of metalloproteinases and their inhibitors ... and injury In the scene of sepsis biomarkers, C-reactive protein, IL-6 and procalcitonin are the most investigated markers in clinical trials In recent published studies, procalcitonin is of better...
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Biodegradable Polymers and Their Practical Utility
... in the cosmetics industry, due to their water-retaining and moisturizing capacities Used as carriers, chitin and chitosan allow the synthesis of water-soluble prodrugs Chitinous fibers serve in ... producing dusting powders and powders and as a filler In addition, it serves as a means to obtain glucose, ethyl alcohol, and dextrins, as well as for stiffening and binding in these industries Wheat starch ... and chitosan: Chitin is a skeletal polysaccharide making up a basic shell constituent of crabs, lobsters, shrimps, and insects Chitin can be degraded by chitinase It is insoluble in its native...
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Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution
... beads, which can be explained by high coating efficiency by chitosan (high loading of Fe3O4 core, thin layer of chitosan shell) on Fe3O4 particles Therefore, maintaining such a high saturation ... chitosan and no chemical bonding between chitosan and Fe3O4 was formed SEM, TEM and IR results are important because they evidenced the successful coating of Fe3O4 nanoparticles by chitosan and ... 1a and b shows the digital camera picture and SEM image respectively of chitosan/ magnetite composite beads with CS/Fe3O4 ratio of 4/1 Being spherical in form, solid in structure and quite big in...
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Báo cáo khoa hoc:" A review on SNP and other types of molecular markers and their use in animal genetics" ppt
... families for genotyping, selecting recombination events in recurrent backcrosses, using advanced intercross lines (AIL) or performing linkage disequilibrium and haplotype-based studies in outbread populations ... use in the laboratory Indeed, fingerprint types of patterns are produced by just using SNPs in animal genetics 277 standard oligonucleotides in combination (in addition to restriction enzymes in ... alternative 6.3 Fine QTL mapping, candidate genes and complex traits Several approaches can be taken for fine QTL mapping, such as increasing the number of meiosis events by increasing the size and/ or the...
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Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 6
... constants a = 35.87 Å and c = 58.92 Å Studies on structureproperty relationship of the polymers incorporated with alkyl chains and pyrimidine 158 groups revealed that the alkyl chains in the lateral ... fluorescence emission in the region of 330 - 380 nm and can be patterned by an electron beam in pure form or mixed with other components All polymers also generated intense emission in the range of ... precise placement and functional control of shape-persistent polymers Stiff polymers, combined with precise molecular placement, are good candidates for the construction of fine microstructure...
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Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 5
... 5.1 Introduction In the integrated circuit (IC) fabrication industry, the demand for pushing to finer features appears to be intense and it is necessary to develop ... spectroscopic properties of polymers 3a, 3b and 3c were measured in chloroform solution The absorption and emission spectra of the polymers are shown in Fig.5.3 and the values as given in Table 5.2 The ... patterns is low due to the inherent nature of interferometric lithography, which utilizes interference of two UV standing waves (wavelength of 351 nm) In order to maintain the requirement of maskless...
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Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 4
... °C, 115 in air) All films were prepared using spin coating of polymer solutions in THF (0.5 mg/ml) onto a glass slide at 2000 rpm Melting points (Mp) were obtained on a BÜCHI Melting Point B-540 ... with pyrimidine groups and alkyl sulfonic acid and investigate their self-assembling properties in the solid state 114 4.2 Experimental section 4.2.1 Materials and reagents All reagents and solvents ... using non-covalent bonding For example, hydrogen-bonded liquid crystal polymers, which include main-chain, side-chain, and network structures, have been prepared by the self-organization of polymers...
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Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 3
... strategy for making rigid polymers by incorporating many side groups on a flexible polymer backbone is interesting, owing to the interplay of strong steric interaction among the side groups and polymer ... while cooling the isotropic melt to 125 °C, and no other mesophases were observed on prolonged cooling No birefringent textures were found from the P1C1, P2-C1 and P2-C4 during cooling a b 102 ... full polymer chain adopts a cylindrical geometry, whereas, in P2C10 and P1-C10, the backbone and mesogenic units form the rigid core and the long flexible alkyl chains organize in between them...
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Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application 2
... signals appearing in the range of δ 9.22–8.87 correspond to those in pyrimidine ring protons while those at δ 7.26-7.04 are assigned to those in the benzene ring The double peak at δ 6.22 and 5.71 ... flexible link P03 and P04 show a glass transition at 29.1 °C and – 3.2 °C, respectively The decrease in Tg from P01-P04 may be due to the increase in the alkyl chain length On heating, the polymer ... monomer 14 and polymer P03 in CDCl3 2.2.3.2 Thermal analysis The thermal stability of polymers P01-04 in nitrogen was investigated by thermogravimetric analysis (TGA) and the results are given in Figure...
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Synthesis and characterization of novel jacketed polymers and investigation of their self assembly and application
... Recent years have seen much progress in the use of rigid components in polymers as building blocks to form interesting supramolecular structures and their intriguing properties are extensively discussed9,10,13 ... refractometer HPLC system and Waters Styragel HR 4E columns using THF as eluent and polystyrene as standard Melting points (Mp) were obtained on a BÜCHI Melting Point B-540 apparatus and are uncorrected ... the rigid components are incorporated on the main chain of the polymers Further studies are required to understand the properties of jacketed polymers in which the main chain is sterically crowded...
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Attackers and Their Attacks
... unauthorized intrusions into systems and networks that result in critical infrastructure outages and corruption of vital data Understanding Basic Attacks • Today, the global computing infrastructure ... becoming more sophisticated, moving away from searching for bugs in specific software applications toward probing the underlying software and hardware infrastructure itself Social Engineering ... Social Engineering (continued) • Dumpster diving: digging through trash receptacles to find computer manuals, printouts, or password lists that have been thrown away • Phishing: sending people...
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Báo cáo y học: " Predictors of hepatic steatosis in HBeAg-negative chronic hepatitis B patients and their diagnostic values in hepatic fibrosis"
... fixed in buffered formalin, embedded in paraffin, and stained with hematoxylin-eosin-safran and Masson's trichrome Hepatic steatosis, stage of fibrosis and grade of disease activity were determined ... fibrosis), and S4 (cirrhosis), and grade of disease activity was defined as G0 (no activity) , G1 (mild activity) , G2 (moderate activity) , and G3 (severe activity) All the sections were blindly and independently ... assessment: insulin resistance and bcell function from fasting plasma glucose and insulin concentrations in man Diabetologia 1985; 28:412-9 Farrell GC, Chitturi S, Lau GK, et al Guidelines for the...
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Nghiên cứu tìm hiểu ứng dụng chitin, chitosan
... này, chitin liên kết chặt chẽ với protein, lipid, muối vô (CaCO 3) sắc tố màu (astarene, astaxanthin, canthaxanthin, lutin ) Chitosan dẫn xuất chitin, tạo thành phản ứng deacetyl hoá chitin Khi chitin ... hình: α, β, γ- chitin; phổ biến α -chitin, β -chitin Do cấu hình chitin khác nhau, dẫn đến chúng có số tính chất khác nhìn chung chitin có tính chất sau: Cả celluloze chitin tinh thể cao, chúng ... hóa sinh 1.5 Tính chất chitin, chitosan: [10] 1.5.1 Tính chất chitin: Chitin chất rắn vô định hình, màu trắng, có cấu trúc tương tự cenlulose Trong tự nhiên, chitin tồn dạng cấu hình: α, β, γ- chitin; ...
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GROWTH PERFORMANCE AND SPERM QUALITY OF STRESS NEGATIVE PIÉTRAIN BOARS AND THEIR HYBRIDS WITH DUROC
... artificial insemination building and housed in an individual pen The training of the young boars was started from 8.5 months of age The interval between two collections was to days Animal husbandry ... phosphate, vitamins and minerals The feed rations were starter (20% protein, 3250 kcal ME), grower (17.5% protein, 3150 kcal ME), finisher (16.5% protein, 3050 kcal ME), and boar (18% protein, 3150 ... spermatozoon in ejaculate was lower in summer and autumn, higher in winter and spring This suggests that Piétrain x Duroc hybrid boars, especially PiDu75, should be used as terminal boars to...
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Tìm thêm: xác định các nguyên tắc biên soạn 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 nội dung cụ thể cho từng kĩ năng ở từng cấp độ 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 mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn 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 tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25