polysaccharide based polymers in cosmetics

... surface e and in a pore f Fig 4 Fluorescent staining of MSCs in the defect area 7 days (Von Kossa staining, bone in black) and 30 days (Masson-Goldner ’s tri-chrome staining, bone in blue) after ... Note that depending on the cutting angle, one cannot see the defect opening Trang 94 DiscussionIncreasing evidences from the literature indicate that tissue-engineering is a promising alternative ... prepared using a mix of pullulan (MW 200,000; Hayashibara) and dextran (MW 500,000; Sigma) in distilled water Chemical cross-linking of these polysaccharides was carried out using the cross-linking

Ngày tải lên: 19/11/2022, 11:47

... differentpolymers used in gas sensors based on differentworking principles Conducting polymers showedpromising applications for sensing gases havingacid – base or oxidizing characteristics Conductingpolymer ... achieved by replacing classical sensor materials with polymers involving nano technology and exploiting either the intrinsic or extrinsic functions of polymers Semiconductors, semiconducting metal oxides, ... sensing, a challenge has arisen in theneed for rapid, sensitive detection of nitric oxide (NO).There is increasing interest in determination of NO,primarily because of its role in intra-and intercellularsignal

Ngày tải lên: 21/03/2014, 12:17

... qualitative) and some evidence of including a gender perspective in engaging men and boys in transforming gender inequality in the five health areas previously defined Box  Why these five health-related ... merely providing information to enjoining or encouraging men to talk about specific issues or act or behave in specific ways, such as talking to their sons about violence against women or being obser-vant ... engaging women in project design, consulting with women and including the voices of women in evaluating the process and impact. Trang 24(which show evidence of increased participation by men in

Ngày tải lên: 22/03/2014, 10:20

... relaxations must involve the molecules in the surrounding environment through coupling interactions among the polymer chains These interactions depended on the amount of intermolecular and intramolecular ... Catherine E Beck Polymer applications have become more demanding as industry continuously turns to more microscopic parts Due to the interactions of the polymer chains with the supporting surface ... which explains polymeric behavior using the intermolecular and intramolecular forces among polymer chains, was employed to understand the behavior of these thin films Another type of thin film,

Ngày tải lên: 23/03/2014, 01:20

... protein are involved in extensive interactions, the conformational Table 2 Hydrogen bonded interactions between HylP2 and ascor-bic acid at three binding regions in the polysaccharide binding ... saccharide binding groove in hyaluronate lyase and useful information has been obtained about subsite structures The amino acid residues involved in the interactions with ligands, as well as those involved ... the concave polysaccharide binding site in HylP2 The interactions between protein residues and ligand molecules are indicated by dotted lines. Fig 4 (A) The 3D structure of HylP2 showing each monomer

Ngày tải lên: 23/03/2014, 04:21

... being used in the incen-tives system—should be used when evaluating how the incenincen-tives are working 2 Changes in dispositions: In addition to evaluating the changes in a set of defined objective ... scores, resulting in an increase in the scores that is inflated as a measure of the true learning in the domain So in this alternative model the same incen-tive might lead to test score increases ... success of students in graduating, obtaining postsecondary education, finding productive and satisfying work, and contributing as members of their communities The challenge of finding appropriate

Ngày tải lên: 23/03/2014, 12:20

... Procedures for establishing defensible absolute pssing scores on performance examinations in helath professiosn education Teaching and Learning in Medicine 2006;18:50-7 26 Norcini J Setting standards on ... stakeholders, including learners Such competency definitions are intended, among other things, to communicate priorities in a memorable and meaningful way They are typically defined by the leadership ... competency-based education in resource poor settings Resources for health are finite and, regardless of the setting, often felt to be insufficient The recent focus on value in health care, defined

Ngày tải lên: 28/03/2014, 21:20

... routing techniques according to the amount of global state maintained into: Trang 3TABLE II NTRA - DOMAIN AND INTER - DOMAIN ROUTING Intra-domain routing Inter-domain routing Definition Routing ... node Domain 3 Domain 3 Domain 1 Domain 2 Fig 2 Topology aggregation example III CONSTRAINT-BASED ROUTING(CBR) Interest in constraint-based routing has been steadily growing in the Internet community, ... applies to both intra-domain and inter-domain routing In inter-domain routing, however, a node in the graph represents an AS An important problem with inter-domain policy routing is policy rule

Ngày tải lên: 29/03/2014, 20:20

... practitioners regarding basic, evidence-based procedures in neonatal care in a Vietnamese province A further aim was to investigate whether differences in level of knowledge were linked to certain characteristics ... the remaining individuals belong to five ethnic minority groups In Quang Ninh there are 14 districts that include 184 communities Eighteen hospitals serve the province, of which one provincial ... Guidelines does not imply enhanced knowledge, indicating that passive dissemina-tion of guidelines has limited impact Addidissemina-tional methods reinforcing the implementation of these guidelines

Ngày tải lên: 18/06/2014, 17:20

... endo-crine disruptors in cell lines [10] We know that xenobiotics have a main endpoint in the liver, which is the major detoxification organ Here, we investigated the mechanism of action of R in ... 90 min in order to stabilize the luminescent signal The luminescence was then read with a luminometer (Veritas Turner Biosystems) Three independent experiments were carried out using three independent ... adjuvants are present in R as secret of formulations [2], amplifying and thus allowing the G herbicide action, as well as its unintended toxic and endocrine disrupting effects in human placental

Ngày tải lên: 20/06/2014, 00:20

... mining, cluster center, pattern classification 1 Introduction Data mining has received unprecedented focus in the recent years It can be utilized in analyzing a huge amount of data and finding ... developing efficient and accurate mining techniques have become a challenging problem Pattern classification is an important research topic in the fields of data mining and machine learning In particu-lar, ... valuable information Parti-cularly, data mining can extract useful knowledge from the collected data and provide useful information for making decisions [1,2] With the rapid increase in the size

Ngày tải lên: 20/06/2014, 22:20

... various cell lines belonging to a cancer type The experimental data considered in the study was from in vitro cell line-based assays, and it is difficult to get reliable target-based information ... were tested on training set by correlating 110 descriptors separately and presented in Figure 1a (for cell lines-based models) and b (for scaffold-based models) We observed that in various models, ... relationships J Chem Inf Comput Sci 41:679–685 16 Ravindra GK, Achaiah G, Sastry GN (2008) Molecular modeling studies of phenoxy-pyrimidinyl imidazoles as p38 kinase inhibitors using QSAR and docking Eur

Ngày tải lên: 21/06/2014, 02:20

... lengthM of the chain can in principle be arbitrarily large (allowing the chain to be used for broadcasting as many as M data packets), but practical designs should bear in mind that the key width ... messages in the context of network programming A network programming protocol called Deluge [17], which is included by default in the TinyOS distribution, allows multihop broadcast dissemina-tion ... of instructions to all sensor devices in a region in a single-hop fashion In such networks multihopping may not even be desirable (for possible reliability and energy reasons) So there is indeed

Ngày tải lên: 21/06/2014, 11:20

... messages: unicast polling, and contention-based polling including multicast or broadcast polling In the first case each SS station is polled individually by the BS to send the request; in the latter ... and UL-MAP contain the correlative information of the intervals’ usage in the following downlink and uplink subframes, respectively, and are broadcast to all SSs The following downlink bursts carry ... procedure In a PMP network, the BS controls all transmissions in the uplink and the downlink For uplink access, a Polling-Request-Grant mechanism is defined for bandwidth alloca-tion during a certain

Ngày tải lên: 21/06/2014, 23:20

... θN at a point ofS1, that is, Hθ1, , θN θ ∈S1 min i ∈{1, ,N }distg  θ, θi . (8) We are interested in finding the minimizers ofH Interestingly, the functionH can be rewritten using the notion ... position-based routing performs over the resulting coordinate system (when compared against routing with real coordinates) In summary, the contributions of this paper revolve around two main questions: ... and node densities For instance, we confirm the results obtained in JumPS [16], showing that increasing the number of landmarks increases the accuracy of the underlying coordinate system However,

Ngày tải lên: 22/06/2014, 00:20

... ranging errors for a mobile user randomly traveling in a building Finally, we provide a method to statistically ex-tract the average probabilities of residing in a certain state for the building ... Markov chain in (15) to an equivalent continuous-time Markov chain to extract the staying continuous-time distributions of each state The memoryless distribution of the staying time in a certain state ... of ToA-Based Ranging in Indoor Localization Mohammad Heidari and Kaveh Pahlavan Center for Wireless Information Network Studies, Electrical and Computer Engineering, Worcester Polytechnic Institute,

Ngày tải lên: 22/06/2014, 06:20

... time into four activities: interpreting bytecodes while not recording, recording traces (including time taken to interpret the recorded trace), compiling traces to native code, and executing native ... tracing to Java in order to achieve inlining, indirect jump elimination, and other optimizations Their primary focus was on designing an interpreter that could easily be gradually re-engineered ... effects of inlining Because traces have no internal control-flow joins, they can be optimized in linear time by a simple compiler (10) Thus, our tracing VM efficiently performs the same kind of optimizations...

Ngày tải lên: 26/06/2013, 12:43

... Grammar in Language Teaching and Learning 2.2.1 Definitions of Grammar There have been various ways of defining grammar - a very common and familiar term in language teaching and learning According ... a) Listing Listing may seem unimaginative, but in practice, listing tasks tend to generate a lot of talks as learners explain their ideas The processes involved are:  brainstorming, in which ... gain from observation In this study, the researcher used semi-structure interviews with the teachers with the views to: • double-checking the information gained in the 1st stage • gaining insights...

Ngày tải lên: 18/12/2013, 10:29

... teaching reading Table 4.9 Teachers’ frequency of applying TBI in teaching reading Table 4.10 Teachers’ reasons of choosing or avoiding TBI in teaching reading Table 4.11 Students’ liking of using ... teaching reading Chart 4.8 Teachers’ frequency of applying TBI in teaching reading Chart 4.9 Teachers’ reasons of choosing or avoiding TBI in teaching reading Chart 4.10 Students’ different learning ... of teaching reading In deed, this question indicates the efficiency of applying task -based in this setting Question number investigates the usefulness of utilizing extra reading text in the class...

Ngày tải lên: 18/12/2013, 10:29

... teaching is indeed culture teaching and the teaching of culture should become an integral part of foreign language instruction Beyond outlining present English teaching guidelines, culture -based ... (listening, speaking, reading and writing) and working skills (individually, pair-work, group-work, discussion, etc.) Furthermore, some of culture -based activities, in the form of lead -in or follow-up ... students will become more interested in finding out the right answer The right answers can be given by the teacher, through a reading, listening, or video At this point, extra information can be provided...

Ngày tải lên: 29/01/2014, 10:33