... stacking and van der Waals’ interactions provide the driving forces for the observed formation of columns With their persistent shapes, tunable sizes and tendency to aggregate into column- and channel-like ... between axis ac and plane of the molecules, all the other three dimers (2a, 2c and 2d) are stacked along axis a with angles of 90º, 53º and 70º, respectively, between axis a and plane of the ... 14.5 mmol) and iodomethane (0.50 mL, 8.00 mmol) was Trang 3248 filtered and the solvent was removed in vacuo The concentrate was dissolved in CH2Cl2 (100 mL), washed with water (2 x 50 mL) and
Ngày tải lên: 10/09/2015, 15:49
... between proton 1 and proton 24 in 6c (Figures 3.5d and 3.5e), we decided to replace the methyl side chain at the nitro end with an isopropyloxy side chain to generate 5b and with an octyloxy ... determination were obtained by slow evaporation of 5a and 6a in mixed solvents containing hexane and chloroform Trang 4(1:1 v/v) for 5a and hexane and dichloromethane (1:1 v/v) for 6a at room temperature ... protons and their adjacent interior methoxy protons, (f) Chemical structure of 6b More NOESY, ROESY and TOXSY studies of 6b were demonstrated in Figure 3.8 and Figure 3.9 Figure 3.8c and 3.8d
Ngày tải lên: 10/09/2015, 15:49
Synthesis and structure investigation of stabilized aromatic oligoamides and their interaction with g quadruplex structures 5
... formation and for determining the interaction between ligands and G-quadruplexes Titration experiments analyzed by spectroscopic methods such as fluorescence,34 circular dichroism35 (CD) and ultraviolet ... NaCl, and without salts A control experiment was carried out with an oligonuclotide (ODN-4) that contains one G to A mutation in every guanine tandem repeat (5’-GAGTTAGAGTTAGAGTTAGAGT-3’) and ... been used very often in quadruplex-targeting ligands to enable the ligand to efficiently interact with the grooves and loops of quadruplex DNA and the negatively charged backbone phosphates In
Ngày tải lên: 10/09/2015, 15:49
Synthesis and structure investigation of stabilized aromatic oligoamides and their interaction with g quadruplex structures 7
... TBA2: Au-TBA2 with (a) thrombin only, (b) with both thrombin and 1, (c) with both thrombin and 9a, (d) with both thrombin and 10b, (e) with both thrombin and 11a, (f) with thrombin and 10a 7.3 ... Lysozyme with 10a Thrombin with 10a Trang 12The interaction between circular pentamers and 29-mer thrombin aptmer TBA2 were also studied using the developed AuNPs screening assay, which combines with ... presence of thrombin, (c) Au-TBA in the presence of thrombin and 10a (2 μM) Figure 7.4 UV-vis spectra of Au-TBA with both thrombin and 10a and with thrombin only 7.2.3 Sensitivity of Aptamer-Based
Ngày tải lên: 10/09/2015, 15:49
The e-health literacy framework: A conceptual framework for characterizing e-health users and their interaction with ehealth systems
... e-health service, ideally, should enable users to strengthen the skills, knowledge and resources they need to engage with the service at hand (Gilstad, 2014) Norman and Skinner (2006) proposed the “Lily ... conceptual framework for characterizing health users and their interaction with e-health systems Ole Norgaard University of Copenhagen, Denmark Dorthe Furstrand University of Copenhagen, Denmark Danish ... includes the views and experiences of a wide range of stakeholders 2 Methods In order to develop a model of e-health literacy that is likely to resonate with IT users and non-users, patients,
Ngày tải lên: 15/01/2020, 00:06
Effect of genetic variants and traits related to glucose metabolism and their interaction with obesity on breast and colorectal cancer risk among postmenopausal women
... associated with breast cancer risk, and seven with CRC risk These SNPs’ associations with cancer risk differed between non-obese and obese carriers, indicating that glucose metabolism-related SNPs’ interactions ... with glucose metabolism and data from 5379 we retrospectively assessed the indirect and direct effects of glucose metabolism-traits (fasting glucose, insulin, and differed between non-obese and ... glucose, and HOMA-IR levels) [4, 23, 24] Spe-cifically, physical inactivity and high-fat diet, as modifiable factors for obesity, [3] increase insulin levels and IR, and are associated with increased
Ngày tải lên: 06/08/2020, 07:48
Disruption of focal adhesion kinase and p53 interaction with small molecule compound R2 reactivated p53 and blocked tumor growth
... activity with p21 target without R2 or with 25 microM R2 treatment or with FAK plasmid without and with R2 treatment The dual luciferase assay was performed as described in Materials and Methods ... of FAK and p53 interaction byimmunoprecipitation of FAK and p53 Among these compounds R2, R5-R10 and R13 effectively disrupted FAK and p53 interaction To test specificity for the FAK and p53 ... methanol and stained with Crystal Violet, and colonies were visualized and counted Cell viability assay The cells (1×10 4 cells per well) were plated on a 96 well plate and after 24 hours treated with
Ngày tải lên: 05/11/2020, 06:56
heart rate responses induced by acoustic tempo and its interaction with basal heart rate
... × 10−8) and 2–2 (p = 3.8 × 10−5), for condition 2–4 than for conditions 2–1 (p = 1.3 × 10−5) and 2–2 (p = 0.0041), and for condi-tion 2–5 than for condicondi-tions 2–1 (p = 5.4 × 10−7) and 2–2 ... averaged with the two 2-min windows and normalized by the baseline recording value in each session The percentages and SEMs of the normalized lnHF of the HRV were 98.51 ± 2.63%, 102.31 ± 2.14%, 95.26 ... 1.90% and 101.65 ± 2.89% under conditions 2–1, 2–2, 2–3, 2–4 and 2–5, respectively (Fig. 2D) However, we could not observe any significant difference in the lnHFs with the five conditions and times
Ngày tải lên: 04/12/2022, 10:34
Plasma Proteins and Their interaction With Synthetic Polymers at
... microscopy, alongside tensiometry and AFM, to investigate plasma proteins and their interactions with polymers at the AWI, enhancing both methodological approaches and the understanding of interfacial behavior ... highlighting phases such as gas, liquid-expanded (LE), liquid-condensed (LC), and the coexistence of liquid-condensed and liquid-expanded (LE–LC), along with the collapse of the interfacial film ... synthetic polymers in biomaterials, biosensors, and drug delivery has made it crucial to understand and control the interactions between synthetic polymers and proteins at interfaces Recent advancements
Ngày tải lên: 24/07/2023, 06:47
Tài liệu An Introduction to Intelligent and Autonomous Control-Chapter 14: Modeling of MultiSensory Robotic Systems with Failure Diagnostic Capabilities pdf
... communication within the hierarchy is kept bidirectional to facilitate processing of the feedback signals Given a user command, the system formulates plan candidates based on prior experience and information ... the system, and in accordance with previous studies [1], dictates that the organization level deals with off-line system func- tions while the coordination and execution levels deal with real-time, ... objects with planar [13] and quadratic surfaces [14]) and, iv) fusion of images derived from multiple views [15], and multiple sensors (stereo analysis of intensity and range images [16]) Contribu-
Ngày tải lên: 14/12/2013, 12:15
Báo cáo khoa học: Ion-binding properties of Calnuc, Ca2+ versus Mg2+ – Calnuc adopts additional and unusual Ca2+-binding sites upon interaction with G-protein pdf
... is known to generate the J-band (610–650 nm) and⁄ or the c-band (480–510 nm) Upon binding to Calnuc, the dye displayed prominent J-band and c-band in both absorption and CD spectra (Fig 6A,B) Further-more, ... (attenuating both the J-band and the c-band), indicating that the dye binds in the EF-hand motif Binding of Mg2+ caused a decrease only in the c-band, without disturbing the J-band (Fig 7A) Although ... and parvalbumin seem to com-plex with the dye similarly, and yield the J-band [25] As the dye⁄ protein ratio is decreased, the J-band is lost in the former two proteins, yielding the b-band and
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: tmRNA from Thermus thermophilus Interaction with alanyl-tRNA synthetase and elongation factor Tu pptx
... thermophilusInteraction with alanyl-tRNA synthetase and elongation factor Tu Victor G Stepanov and Jens Nyborg Institute of Molecular and Structural Biology, University of Aarhus, Denmark The interaction ... tRNA and tmRNA alanylation under standard reaction conditions and 50C should be close to 0.8 s)1and 0.03 s)1, respectively This is to be compared with kcat values of 0.93 s)1[27], 1.1 s)1and ... mobility shift study of the interaction between EF-Tu*GDPNP and uncharged tmRNA Two equivalent gels were run at identical conditions and stained with Coomassie Blue R250 (A) and with pyronin Y enhanced
Ngày tải lên: 08/03/2014, 08:20
oreilly supercharged javascript graphics, with html5 canvas and jquery (2011)
... Layout 149A Graphical Chat Application with Canvas and WebSockets 151 7 Vectors for Games and Simulations 167 Trang 109 Reaching the Small Screen with jQuery Mobile 21510 Creating Android ... ix 1 Code Reuse and Optimization 1 2 DHTML Essentials 25 Encapsulation and Drawing Abstraction (aka Hiding Stuff) 28 3 Scrolling 47 Trang 8Scrolling with JavaScript 514 Advanced UI ... 2011: First Edition Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc The image of a maned sheep and related trade dress are
Ngày tải lên: 21/03/2014, 11:58
pragmatic bookshelf publishing html5 and css3, develop with tomorrow's standards today (2010)
... 137 8 Eye Candy 144 Tip 17 Rounding Rough Edges 146 Tip 18 Working with Shadows, Gradients, and Transfor-mations 154 Tip 19 Using Real Fonts 165 Part III—Beyond HTML5 171 9 Working with Client-Side ... use HTML5 and CSS3 right now, even if your users don't have browsers that can support all of these features yet Before we get started, let's take a second and talk about HTML5 and buzzwords HTML5: ... when combined with HTML5 and CSS3 How This Works Each chapter in this book focuses on a specific group of problems that we can solve with HTML5 and CSS3 Each chapter has an overview and a table
Ngày tải lên: 21/03/2014, 12:00
Báo cáo khoa học: Contribution of a central proline in model amphipathic a-helical peptides to self-association, interaction with phospholipids, and antimicrobial mode of action ppt
... for both zwitterionic and anionic liposomes, PCPs interacted weakly with zwitterionic liposomes and strongly with anionic liposomes The selective membrane interaction of PCPs with negatively charged ... structure, antibiotic activity, and interaction with phospholipids, we generated a ser-ies of model amphipathic a-helical peptides with different chain lengths and containing or lacking a single ... concentration and peptide–lipid interactions The Pro-free peptides (PFPs) included M17, M21, and M25, and their counterpart central Pro-containing peptides (PCPs) were M17P, M21P, and M25P, respectively
Ngày tải lên: 23/03/2014, 10:21
Báo cáo khoa học: Aptamers toEscherichia colicore RNA polymerase that sense its interaction with rifampicin, r-subunit and GreB ppt
... RNA polymerase that sense its interaction with rifampicin, r-subunit and GreB Andrey Kulbachinskiy1,2, Andrey Feklistov2,3, Igor Krasheninnikov3, Alex Goldfarb1and Vadim Nikiforov1,2 1 Public ... RNAP makes specific and nonspecific contacts with double and single stranded (ss) DNA, the RNA/DNA hybrid and nascent RNA Recent advances in structural studies of bacterial and yeast RNAPs [4–8] ... added before the aptamers (Fig 5B and data not shown) Specific and nonspecific interactions of aptamers with the RNAP main channel The interaction of the aptamers with RNAP was found to be highly
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: The enzymatic activity of SR protein kinases 1 and 1a is negatively affected by interaction with scaffold attachment factors B1 and 2 pot
... and 12), albeit with differ-ent affinities SAFB1 binds tightly to SRPK1a and almost as tightly to SRPK1 (compare lanes 2 and 1) and the same holds true for the GST–SAFB1CDRE protein (lanes 3 and ... (compare lanes 5 and 1) These results confirm the direct interaction of SAFBs with the SRPK1⁄ 1a proteins and provide a direct link between the affinity of the SAFB–SRPK1⁄ 1a interaction and the extent ... 1negatively affected by interaction with scaffoldattachment factors B1 and 2 Dora Tsianou1, Eleni Nikolakaki2, Alexandra Tzitzira1, Sofia Bonanou1, Thomas Giannakouros2 and Eleni Georgatsou1 1
Ngày tải lên: 30/03/2014, 01:20
Báo cáo khoa học: Cholesterol interaction with the related steroidogenic acute regulatory lipid-transfer (START) domains of StAR (STARD1) and MLN64 (STARD3) ppt
... suited for a ligand with the size and shape of cholesterol [29,30] Critical residues proposed to interact with cholesterol are localized within the fragment containing amino acids 83–140 These resi-dues ... of the a3-helix and the strands b3–b7, including their connecting loops The residues Glu107 (E), Arg126 (R) and Leu137 (L) (all marked in magenta) are located within this region and have been proposed ... residues within the whole sequences of STARD3 and STARD1, respectively, is in parentheses STARD1-START and STARD3-START share 37% sequence identity and 60% amino acid similarity Residues 83–140,
Ngày tải lên: 30/03/2014, 04:20
Tài liệu Báo cáo khoa học: Plant a-amylase inhibitors and their interaction with insect a-amylases ppt
... known modes of a-amylase inhibition A standard colouring scheme is used with enzyme drawn in magenta and inhibitor helix, strand and coil drawn in red, cyan and yellow, respectively The calcium ... activity PPA and HSA 0.19 T aestivum PPA and HSA 0.53 T aestivum HSA and PPA (low) 0.28 WRP25 T aestivum T aestivum PPA and HSA None WRP26 T aestivum None WRP27 T aestivum None 1,2 and BIII S cereale ... 1) and forms a separated folding unit, exclusively made of b sheet Eight of the 10 strands fold into a b sandwich structure with ÔGreek keyÕ topology The conservation of the interface of A and...
Ngày tải lên: 21/02/2014, 03:20
Tài liệu MECHANICAL PROPERTIES OF THE HEART AND ITS INTERACTION WITH THE VASCULAR SYSTEM ppt
... understanding of the heart as a muscular pump and of the interaction between the heart and the vasculature The concepts of contractility, preload and afterload are paramount to this understanding and ... bundles of myosin strands with each strand having a tail, a hinge and a head region The tail regions bind to each other in the central portion of the filament and the Page of 23 strands are aligned ... understanding and will be the focus and repeating theme throughout the text A sound understanding of cardiac physiology begins with basic understanding of cardiac anatomy and of the physiology of muscular...
Ngày tải lên: 22/02/2014, 09:20