nanoparticles prepared using natural and synthetic polymers
báo cáo khoa học: " Antimicrobial activity of spherical silver nanoparticles prepared using a biocompatible macromolecular capping agent: evidence for induction of a greatly prolonged bacterial lag phase" potx
... [4-8], dendrimers [9], and many others [10] As the chemical and physical properties of a nanomaterial are intimately linked to its size and shape, significant effort is, and has, been placed toward ... of understanding the impact that a Np stabilizer has on antimicrobial properties is highlighted in a recent study by Elechiguerra and coworkers [13] where silver Nps were prepared using three ... and citrate-capped silver nanoparticles Figure displays both t m - (1A) and T corr -based (1B) averages calculated from S aureus (3 cultures = blocks or replicates) microplate growth assays using...
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Báo cáo " Silver nanoparticles prepared by laser ablation and their optical characteristics " pptx
... 0.003M for SCD and 0.01M for PVA The average size and size distribution of silver nanoparticles were measured The average size of silver nanoparticles is nm in the 0.01M solutions of PVA and nm in ... laser ablation (a) and by chemical reduction (b) Fig Absorption spectra of silver nanoparticles produced by laser ablation in a 0.003, 0.01 and 0.1M solution of PVA The silver nanoparticles produced ... also prepared silver nanoparticles by chemical reduction from an aqueous solution of silver nitrate and trisodium citrate dihydrat C6H7Na3O7 (SCD) which takes the role of both surfactant and reducing...
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synthetic polymers for biotechnology and medicine - ruth freitag
... including synthetic and natural polymers, metals, ceramics and composites have become increasingly important in medicine and pharmaceutics.18-21 Of these groups, Synthetic Polymers for Biotechnology and ... summarizes our knowledge and experience in the use of synthetic polymers in the life sciences The book starts with two chapters on the delivery of biologicals using synthetic polymers The chapter ... hormones such as insulin and glucagon in response to chemical stimuli).10 However, over the past two decades synthetic, semi -synthetic, natural and biological water soluble polymers have been evaluated...
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Báo cáo hóa học: " Core shell hybrids based on noble metal nanoparticles and conjugated polymers: synthesis and characterization" ppt
... metal nanoparticles into ordered structures, mainly by using bifunctional molecules such as organic dithiols [39], surfactants [40] and polymers [41] Noble metal nanoparticles protected by synthetic ... [42] Metal nanoparticles stabilized by polymers can be prepared by postmodification of preformed gold nanoparticles and physisorption [43] or by “graft-from” and “graft-to” methods For example, ... thiolterminated poly(styrene-ran-vinyl phenol) (PSVPh) copolymers and PSVPh-coated gold nanoparticles is reported with the goal of creating stabilizing ligands for nanoparticles with controlled hydrophilicity...
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Báo cáo hóa học: " Magnetic and Cytotoxicity Properties of La12xSrxMnO3 (0 £ x £ 0.5) Nanoparticles Prepared by a Simple " pptx
... Results and Discussion Structural and Morphology Characterization The XRD results of the prepared LSMO nanoparticles at 600, 700, 800, and 900 °C for h are shown in Fig For LSMO samples prepared ... test of the LSMO nanoparticles with 0.2 B x B 0.4 prepared at the temperature conditions of 600, 700, 800, and 900 °C are shown in Fig The results indicated that the prepared LSMO nanoparticles ... decomposition temperature and decreases with the increase of Sr content Figure shows the FT-IR spectra of the samples prepared at 600 and 900 °C for h The main absorption band around 600 cm-1 corresponds...
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Báo cáo sinh học: " Estimated breeding values and association mapping for persistency and total milk yield using natural cubic smoothing splines" pps
... where g and g are vectors of the gi and gi, respectively, and a1 and a2 are known vectors explicitly defined using (4), and which are equal to zero, apart from the two indices i and i + Using equation ... observed (using the spline model) and predicted (using the selected SNPs and the pedigree) total milk yields The correspondence Figure Comparison of persistency phenotype calculated using NCSS and ... (5) where Q and R are known matrices given on pages 12 and 13 of [24]; Q and R are functions of hi Thus any value of the function g can be found using the values at the knot points Using (4),...
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Báo cáo y học: "Comparison of osteogenic potentials of human rat BMP4 and BMP6 gene therapy using [E1-] and [E1-,E2b-] adenoviral vectors"
... (Lanes 1, and 3), BstXI (Lanes 4, 5, and 6), and BglII plus EcoRV (Lanes 7, 8, and 9) M, 1-kb DNA ladder Lanes 1, 4, and 7, 293A cells; Lanes 2, 5, and 8, ADrBMP6 DNA; Lanes 3, 6, and 9, ADhBMP6 ... thigh and 1.4 × 1011 particles in the other thigh) On Day 35, the rats were euthanized and scanned using CT Axial CT images (1-mm collimation and 1mm table increment) were obtained using the standard ... BMP4 and BMP6 cDNAs were amplified, cloned, sequenced, and identified Recombinant adenoviruses encoding rat BMP4 and BMP6 were constructed and compared with ADhBMP4 and ADhBMP6 in the in vitro and...
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Báo cáo y học: "Comparison of Classical and Clozapine Treatment on Schizophrenia Using Positive and Negative Syndrome Scale of Schizophrenia (PANSS) and SPECT Imaging"
... passivity and apathy, difficulty in abstract thinking, lack of spontaneity and flow of conversation, and stereotyped thinking (N1 to N7); and health concerns, anxiety, guilt, tension, mannerisms and ... medications and reduce delusion and hallucination By contrast, drugs such as amphetamine reinforce signal transmissions by dopamine and induce schizophrenic symptoms such as delusion and hallucination ... a single image that combines anatomy and physiology Three dimensional surface and volume- rendered images add perspective and facilitate the localization and sizing of lesions Systems should...
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Automatic text extraction using DWT and Neural Network
... sequences using DWT and neural network DWT decomposes one original image into four sub-bands The transformed image includes one average component sub-band and three detail component sub-bands Each ... operation and the final resulted 2-D Haar DWT is shown in Figure 3(c) 2-D Haar DWT decomposes a gray-level image into one average component sub-band and three detail component sub-bands From ... 8(a) are decomposed into one average component sub-band and three detail component sub-bands as shown in Figure 8(b) Those detail component sub-bands contain the key features of text regions According...
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CFD model of air movement in ventilated façade: comparison between natural and forced air flow
... both summer and winter conditions: air permeability to reduce heat dispersion in winter and guarantee passive cooling effect by combining convective and heat transport between the outer and inner ... of ventilated façade and its capacity for cooling These quantities are mathematically modeled by CFD techniques CFD is used to quantify and compare the effect of natural and forced ventilation ... ventilated façades according to the CEN Standard 13790 method and detailed simulation 547 2nd PALENC Conference and 28th AIVC Conference on Building Low Energy Cooling and Advanced Ventilation Technologies...
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Using Flash and ActionScript 3.0
... complex conditions with and or comparison operators && and || These represent the and NOTE Before ActionScript 3.0, you could use the keywords and and or as alternatives to && and || These are no ... screen at random locations with random colors, you want to first create the ten circles at random locations Test it, and get that portion working just like you want Then, add the random color ... use >, =, and
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The 8051 microcontroller and embedded systems using assembly and c 2nd ed
... Microcontroller and Embedded Systems: Using Assembly and C Mazidi, Mazidi and McKinlay Chung-Ping Young 楊中平 Home Automation, Networking, and Entertainment Lab Dept of Computer Science and Information ... Microcontroller and Embedded Systems: Using Assembly and C Mazidi, Mazidi and McKinlay Chung-Ping Young 楊中平 Home Automation, Networking, and Entertainment Lab Dept of Computer Science and Information ... Numbering and coding systems Digital primer Inside the computer Department of Computer Science and Information Engineering National Cheng Kung University, TAIWAN NUMBERING AND CODING SYSTEMS Decimal and...
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Using Servlets and JavaServer Pages with Portlets
... COMMAND String command = request.getParameter("COMMAND"); String itemParam = request.getParameter("ITEM_ID"); 140 Download at Boykma.Com 2840ch05.qxd 7/13/04 12:44 PM Page 141 Using Servlets and ... list portlet, these commands are NEW, DELETE, EDIT, MARK_ FINISHED, and MARK_UNFINISHED All of these commands would be passed in an action request in a parameter named COMMAND The portlet retrieves ... to be prefixed with a namespace include JavaScript and VBScript functions, JavaScript and VBScript variables, and anything referenced by name using dynamic HTML To-Do List Portlet Example We are...
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DSP applications using C and the TMS320C6X DSK (P3)
... (industry standard) external peripherals McBSPs have features such as full-duplex communication, independent clocking and framing for receiving and transmitting, and direct interface to AC97 and IIS ... Separate buses for program, data, and direct memory access (DMA) allow the C6x to perform concurrent program fetches, data read and write, and DMA operations With data and instructions residing in ... A and B, as shown in Figure 3.1 Each path has a unit for multiply operations (.M), for logical and arithmetic operations (.L), for branch, bit manipulation, and arithmetic operations (.S), and...
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Lab 9.2.6 Troubleshooting Using Ping and Telnet
... connections on the standard lab setup b Check all physical devices, cables, and connections Step Troubleshoot a Troubleshoot induced network problems b Use the commands ping and telnet to discover ... the lab again with Team members and switching roles Upon completion of the previous steps, log off by typing exit and turn the router off 2-4 CCNA 2: Routers and Routing Basics v 3.0 - Lab 9.2.6 ... the routers, enter the global configuration mode and configure the hostname as shown in the chart Then configure the console, virtual terminal, and enable passwords If there are problems doing...
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DSP applications using C and the TMS320C6X DSK (P4)
... lter and the edges of both passbands and stopbands are xed, and the coefcients are varied to provide this equiripple approximation This minimizes the ripple in both the passbands and the stopbands ... one buffer and restore it before using it again with a pair of MVC instructions: MVC AMR,Bx and MVC Bx,AMR using a B register Build and run this project as FIRcirc Verify an FIR bandpass lter ... accuracy, and less sensitivity to temperature and aging Stringent magnitude and phase characteristics can be realized with a digital lter Filter characteristics such as center frequency, bandwidth, and...
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Biodegradable Dendrimers and Dendritic Polymers
... relation of biodegradability and biocompatibility, and its biological implications Tomalia and Newkome et al introduced well-defined and highly branched dendrimers [5, 15], and almost a decade later, ... traits Nevertheless, these polymers have shown to be biocompatible and can be easily prepared with various surface functionalities, such as −NH2, −COOH, and −OH groups, and are commercially available ... Biodegradable Dendrimers and Dendritic Polymers 43 Dharap, S.S., Wang, Y., Chandna, P., 44 45 46 47 48 49 50 51 Khandare, J.J., Qiu, B., Gunaseelan, S., Stein, S., Farmanfarmaian, A., and Minko, T (2005)...
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Using Prefixes and Suffixes
... and suffixes often appear in books like this with sophisticated vocabulary words, you are already using the same prefixes and suffixes with simple words that you already know well In the prefix and ... choices to b (to cultivate) and d (relating to land or land ownership) Once you realize that the suffix -ian calls for an adjective, not a verb, then you can eliminate b and choose the correct answer, ... similar to humans Choices a, b, and e are definitions for other parts of speech—a verb, a noun, and another noun, respectively Only choices c and d define adjectives, and only choice d is correct...
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Biogeochemical Variability of Vietnamese Coastal Waters Influenced by Natural and Anthropogenic Processes
... Brunei Indonesia Malaysia The Philippines All land and water areas km inland from MHWM and areas inundated by tides any time of the year Administrative and selected environmental units District boundaries ... for land and sea resources and space by various stake holders that result in conflicts and the degradation of coastal ecosystems Further challenges to the coasts come from: (1) erosion and siltation ... Mekong River and the adjacent deltaic, estuarine, and coastal environment, An and Son (1998) could show differences in the elemental cycling between the river, front and plume, and shallow waters...
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DSP applications using C and the TMS320C6X DSK (P5)
... the passbands and stopbands, respectively For a given specification, these filters are of lower order than Butterworth-type filters, which have monotonic responses in both passbands and stopbands An ... selected, using H ( s) s = s w A (5.29) Obtain H(z) using the BLT equation (5.24), or H (z) = H ( s w A ) s =( z -1) ( z +1) (5.30) In the case of bandpass and bandstop filters with lower and upper ... a1u( n) + and so on, for time n + 2, n + 3, , when for each specific time, a new input sample is acquired and the delay variables and then the output are calculated using (5.10), and (5.11),...
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