organosilicon compounds

Summary

Summary: Organic compounds that contain silicon as an integral part of the molecule.

Top Publications

  1. Hayashi K, Nakamura M, Ishimura K. In situ synthesis and photoresponsive rupture of organosilica nanocapsules. Chem Commun (Camb). 2011;47:1518-20 pubmed publisher
    ..Moreover, the nanocapsules are photoresponsive and burst under light irradiation, resulting in release of the encapsulated drug or dye. ..
  2. Ghanbari H, de Mel A, Seifalian A. Cardiovascular application of polyhedral oligomeric silsesquioxane nanomaterials: a glimpse into prospective horizons. Int J Nanomedicine. 2011;6:775-86 pubmed publisher
  3. Ahmed M, Ghanbari H, Cousins B, Hamilton G, Seifalian A. Small calibre polyhedral oligomeric silsesquioxane nanocomposite cardiovascular grafts: influence of porosity on the structure, haemocompatibility and mechanical properties. Acta Biomater. 2011;7:3857-67 pubmed publisher
    ..Whilst the different graft samples induced varying levels of cytokine secretion in vitro, no distinct pattern suggesting a non-trivial relationship was observed...
  4. Chaloupka K, Motwani M, Seifalian A. Development of a new lacrimal drainage conduit using POSS nanocomposite. Biotechnol Appl Biochem. 2011;58:363-70 pubmed publisher
    ..Finally, the coagulation and cast technique were selected to construct an LDC superior to its predecessors, and its advantages highlighted...
  5. Ghanbari H, Kidane A, Burriesci G, Ramesh B, Darbyshire A, Seifalian A. The anti-calcification potential of a silsesquioxane nanocomposite polymer under in vitro conditions: potential material for synthetic leaflet heart valve. Acta Biomater. 2010;6:4249-60 pubmed publisher
    ..0001). These results indicate that the use of this nanocomposite in synthetic leaflets heart valves may lead to potential advantages in terms of long-term performances and durability. ..
  6. Tan A, Goh D, Farhatnia Y, G N, Lim J, Teoh S, et al. An anti-CD34 antibody-functionalized clinical-grade POSS-PCU nanocomposite polymer for cardiovascular stent coating applications: a preliminary assessment of endothelial progenitor cell capture and hemocompatibility. PLoS ONE. 2013;8:e77112 pubmed publisher
  7. Solouk A, Cousins B, Mirzadeh H, Solati Hashtjin M, Najarian S, Seifalian A. Surface modification of POSS-nanocomposite biomaterials using reactive oxygen plasma treatment for cardiovascular surgical implant applications. Biotechnol Appl Biochem. 2011;58:147-61 pubmed publisher
    ..Such materials enhanced the EC response and promoted endothelialization on optimized films, thus demonstrating their use as bypass graft materials...
  8. Irmukhametova G, Mun G, Khutoryanskiy V. Thiolated mucoadhesive and PEGylated nonmucoadhesive organosilica nanoparticles from 3-mercaptopropyltrimethoxysilane. Langmuir. 2011;27:9551-6 pubmed publisher
    ..The thiolated nanoparticles could also be easily modified through PEGylation resulting in a loss of their mucoadhesive properties. ..
  9. Ahmed H, Poole C, Kozerski G. Determination of descriptors for organosilicon compounds by gas chromatography and non-aqueous liquid-liquid partitioning. J Chromatogr A. 2007;1169:179-92 pubmed
    ..and n-heptane-2,2,2-trifluoroethanol) were used to estimate solute descriptors for 54 organosilicon compounds for use in the solvation parameter model...

More Information

Publications96

  1. Kidane A, Burriesci G, Edirisinghe M, Ghanbari H, Bonhoeffer P, Seifalian A. A novel nanocomposite polymer for development of synthetic heart valve leaflets. Acta Biomater. 2009;5:2409-17 pubmed publisher
    ..001) (at 37 degrees C) as the thickness increased from 100microm (51.0+/-3.3Nmm(-1)) to 200microm (63+/-1.5Nmm(-1)). The surface of POSS-PCU was significantly less hydrophilic than that of PCU. ..
  2. Tipping C, Bikoba V, Chander G, Mitcham E. Efficacy of Silwet L-77 against several arthropod pests of table grape. J Econ Entomol. 2003;96:246-50 pubmed
    ..5 and 1.0% solutions appeared wet after removal from cold storage because of the effect of the surfactant spreading the water condensation. Grapes dried with the normal bloom on the berries when they reached room temperature. ..
  3. de Mel A, Punshon G, Ramesh B, Sarkar S, Darbyshire A, Hamilton G, et al. In situ endothelialization potential of a biofunctionalised nanocomposite biomaterial-based small diameter bypass graft. Biomed Mater Eng. 2009;19:317-31 pubmed publisher
    ..Biofunctionalised nanocomposite polymer-based small diameter bypass graft demonstrated the potential for relatively rapid endothelialization from cells extracted from peripheral blood. ..
  4. Gupta A, Vara D, Punshon G, Sales K, Winslet M, Seifalian A. In vitro small intestinal epithelial cell growth on a nanocomposite polycaprolactone scaffold. Biotechnol Appl Biochem. 2009;54:221-9 pubmed publisher
    ..In conclusion, as a further step in investigating small intestinal tissue engineering, the nanocomposite employed in this study may prove to be a useful alternative to poly(lactic-co-glycolic acid) in the future. ..
  5. Atapattu S, Poole C. Determination of descriptors for semivolatile organosilicon compounds by gas chromatography and non-aqueous liquid-liquid partition. J Chromatogr A. 2009;1216:7882-8 pubmed publisher
    ..were used to calculate solute descriptors for 28 semivolatile linear and cyclic organosilicon compounds for use in the solvation parameter model...
  6. Tanaka K, Inafuku K, Naka K, Chujo Y. Enhancement of entrapping ability of dendrimers by a cubic silsesquioxane core. Org Biomol Chem. 2008;6:3899-901 pubmed publisher
    ..In addition, we demonstrated that a fluorophore entrapped in the G2 POSS-core dendrimer was prevented from undergoing fluorescence photobleaching. ..
  7. Raghunath J, Zhang H, Edirisinghe M, Darbyshire A, Butler P, Seifalian A. A new biodegradable nanocomposite based on polyhedral oligomeric silsesquioxane nanocages: cytocompatibility and investigation into electrohydrodynamic jet fabrication techniques for tissue-engineered scaffolds. Biotechnol Appl Biochem. 2009;52:1-8 pubmed publisher
  8. Nakamura M, Ishimura K. One-pot synthesis and characterization of three kinds of thiol-organosilica nanoparticles. Langmuir. 2008;24:5099-108 pubmed publisher
  9. Kim S, Heo S, Koak J, Lee J, Lee Y, Chung D, et al. A biocompatibility study of a reinforced acrylic-based hybrid denture composite resin with polyhedraloligosilsesquioxane. J Oral Rehabil. 2007;34:389-95 pubmed
    ..We hope that these results might aid in the development of a reinforced acrylic-based denture resin. ..
  10. Kannan R, Salacinski H, Butler P, Seifalian A. Polyhedral oligomeric silsesquioxane nanocomposites: the next generation material for biomedical applications. Acc Chem Res. 2005;38:879-84 pubmed
    ..In this Account, we look at the birth of a new generation of silica nanocomposites using polyhedral oligomeric silsesquioxanes, a promising nanoscale silica particle with particular use in cardiovascular interventional devices. ..
  11. He Y, Wang H, Yan X. Self-assembly of Mn-doped ZnS quantum dots/octa(3-aminopropyl)octasilsequioxane octahydrochloride nanohybrids for optosensing DNA. Chemistry. 2009;15:5436-40 pubmed publisher
  12. Jayasundera S, Burleigh M, Zeinali M, Spector M, Miller J, Yan W, et al. Organosilica copolymers for the adsorption and separation of multiple pollutants. J Phys Chem B. 2005;109:9198-201 pubmed
    ..ICP analysis revealed that greater than 98% of adsorbed copper was removed during extraction with HCl, and this extraction process can be repeated with no difference in copper adsorption after regeneration. ..
  13. Bakhshi R, Edirisinghe M, Darbyshire A, Ahmad Z, Seifalian A. Electrohydrodynamic jetting behaviour of polyhedral oligomeric silsesquioxane nanocomposite. J Biomater Appl. 2009;23:293-309 pubmed publisher
    ..Films were also tensile tested. This study has identified a process and conditions which can be used in our stent coating research. ..
  14. Chen C, Sieburth S, Glekas A, Hewitt G, Trainor G, Erickson Viitanen S, et al. Drug design with a new transition state analog of the hydrated carbonyl: silicon-based inhibitors of the HIV protease. Chem Biol. 2001;8:1161-6 pubmed
    ..These neutral, cell-permeable transition state analogs therefore provide a novel foundation for the design of therapeutic agents. ..
  15. Kannan R, Salacinski H, de Groot J, Clatworthy I, Bozec L, Horton M, et al. The antithrombogenic potential of a polyhedral oligomeric silsesquioxane (POSS) nanocomposite. Biomacromolecules. 2006;7:215-23 pubmed
    ..On the basis of these results, we concluded that POSS nanocomposites possess greater thromboresistance than PTFE and PCU, making it an ideal material for the construction of both bypass grafts and microvessels. ..
  16. Kannan R, Salacinski H, Edirisinghe M, Hamilton G, Seifalian A. Polyhedral oligomeric silsequioxane-polyurethane nanocomposite microvessels for an artificial capillary bed. Biomaterials. 2006;27:4618-26 pubmed
    ..This microvessel would have the following implications: (1) as a microvascular substitute to vein grafts and (2) in the future as a component of a microvascular network. ..
  17. Zou Q, Yan Q, Song G, Zhang S, Wu L. Detection of DNA using cationic polyhedral oligomeric silsesquioxane nanoparticles as the probe by resonance light scattering technique. Biosens Bioelectron. 2007;22:1461-5 pubmed
    ..35-42.82 microg ml-1 for calf thymus DNA, the determination limit (3sigma) was 0.32 ng ml-1. The results showed this method was very sensitive, convenient, rapid and reproducible. ..
  18. Kannan R, Salacinski H, Sales K, Butler P, Seifalian A. The endothelialization of polyhedral oligomeric silsesquioxane nanocomposites: an in vitro study. Cell Biochem Biophys. 2006;45:129-36 pubmed
    ..In conclusion, these results support the application of POSS-PCU as a suitable biomaterial scaffold in bio-hybrid vascular prostheses and biomedical devices. ..
  19. Nomiya K, Togashi Y, Kasahara Y, Aoki S, Seki H, Noguchi M, et al. Synthesis and structure of dawson polyoxometalate-based, multifunctional, inorganic-organic hybrid compounds: organogermyl complexes with one terminal functional group and organosilyl analogues with two terminal functional groups. Inorg Chem. 2011;50:9606-19 pubmed publisher
    ..These complexes were characterized by elemental analysis, thermogravimetric and differential thermal analyses (TG/DTA), FTIR, solid-state ((31)P) and solution ((31)P, (1)H, and (13)C) NMR, and X-ray crystallography. ..
  20. Ye X, Gong J, Wang Z, Zhang Z, Han S, Jiang X. Hybrid POSS-containing brush on gold surfaces for protein resistance. Macromol Biosci. 2013;13:921-6 pubmed publisher
    ..These POSS-containing hybrid polymer brushes might offer an alternative for modification of gold surface with an excellent protein resistance for long-term applications. ..
  21. Yu H, Jia C, Wu H, Song G, Jin Y, Ke Y, et al. Highly stable high performance liquid chromatography stationary phase based on direct chemical modification of organic bridges in hybrid silica. J Chromatogr A. 2012;1247:63-70 pubmed publisher
    ..95) and high pH (pH=11.0). Some acidic and alkaline pH chromatographic evaluations were performed to illustrate the advantages of the improved chemical stability of this packing material. ..
  22. Lemon C, Karnas E, Bawendi M, Nocera D. Two-photon oxygen sensing with quantum dot-porphyrin conjugates. Inorg Chem. 2013;52:10394-406 pubmed publisher
    ..The QD serves as a photon antenna, enhancing porphyrin emission under both one- and two-photon excitation, demonstrating that QD-palladium porphyrin conjugates may be used for oxygen sensing over physiological oxygen ranges. ..
  23. Kannan A, Choudhury N, Dutta N. Fluoro-silsesquioxane-urethane hybrid for thin film applications. ACS Appl Mater Interfaces. 2009;1:336-47 pubmed publisher
  24. Boethling R, Meylan W. How accurate are physical property estimation programs for organosilicon compounds?. Environ Toxicol Chem. 2013;32:2433-40 pubmed publisher
    b>Organosilicon compounds are important in chemistry and commerce, and nearly 10% of new chemical substances for which premanufacture notifications are processed by the US Environmental Protection Agency (USEPA) contain silicon (Si)...
  25. Rachuta K, Bayda M, Majchrzak M, Koput J, Marciniak B. Unusual emission properties of the selected organosilicon compounds containing a styryl-carbazole chromophore: inversion of the singlet excited states. Phys Chem Chem Phys. 2017;19:11698-11705 pubmed publisher
    ..2 D) to an excited state involving the LUMO orbital (? = 8.9 D). ..
  26. Li C, Di B, Hao W, Yan F, Su M. Aminopropyl-functionalized ethane-bridged periodic mesoporous organosilica spheres: preparation and application in liquid chromatography. J Chromatogr A. 2011;1218:408-15 pubmed publisher
    ..Moreover, they exhibited good chemical stability in basic mobile phase, which can be ascribed to the ethane groups in the mesoporous framework. ..
  27. Lordel S, Chapuis Hugon F, Eudes V, Pichon V. Development of imprinted materials for the selective extraction of nitroaromatic explosives. J Chromatogr A. 2010;1217:6674-80 pubmed publisher
    ..The results were compared with those obtained using a conventional sorbent (Oasis HLB). The cleanest chromatogram obtained using the MIS emphasized the high potential of the MIS as selective sorbent. ..
  28. Denmark S, Liu J. Silicon-based cross-coupling reactions in the total synthesis of natural products. Angew Chem Int Ed Engl. 2010;49:2978-86 pubmed publisher
    ..The following case studies illustrate how silicon-based cross-coupling reactions play a strategic role in constructing carbon-carbon bonds in selected target molecules. ..
  29. Jambhrunkar S, Yu M, Yang J, Zhang J, Shrotri A, Endo Munoz L, et al. Stepwise pore size reduction of ordered nanoporous silica materials at angstrom precision. J Am Chem Soc. 2013;135:8444-7 pubmed publisher
  30. Kostikov A, Chin J, Orchowski K, Niedermoser S, Kovacevic M, Aliaga A, et al. Oxalic acid supported Si-18F-radiofluorination: one-step radiosynthesis of N-succinimidyl 3-(di-tert-butyl[18F]fluorosilyl)benzoate ([18F]SiFB) for protein labeling. Bioconjug Chem. 2012;23:106-14 pubmed publisher
    ..Both compounds demonstrated identical biodistributions in healthy rats, accurately visualizing the blood pool with PET. ..
  31. Yu F, Zhou J, Zhang X, Sui Y, Wu F, Xie L, et al. Copper(II)-catalyzed hydrosilylation of ketones using chiral dipyridylphosphane ligands: highly enantioselective synthesis of valuable alcohols. Chemistry. 2011;17:14234-40 pubmed publisher
    ..The synthetic utility of the chiral products obtained was highlighted by the efficient conversion of optically enriched ?-halo alcohols into the corresponding styrene oxide, ?-amino alcohol, and ?-azido alcohol, respectively. ..
  32. Tsakalozou E, Horn J, Leggas M. An HPLC assay for the lipophilic camptothecin analog AR-67 carboxylate and lactone in human whole blood. Biomed Chromatogr. 2010;24:1045-51 pubmed publisher
    ..AR-67 forms were stable in whole blood and in methanolic supernatants. This assay has been successfully applied to measure AR-67 concentrations in whole blood of patients enrolled in a phase I study. ..
  33. Greene A, Washburn C, Bachand G, James C. Combined chemical and topographical guidance cues for directing cytoarchitectural polarization in primary neurons. Biomaterials. 2011;32:8860-9 pubmed publisher
    ..An optimum distance of approximately 5 ?m between the cell body attachment node and the first interrupted line guidance cue led to specific cytoarchitectural polarization of ?60% of neurons by 3 days of culture in vitro. ..
  34. Sauer D, Wadepohl H, Gade L. Cobalt alkyl complexes of a new family of chiral 1,3-bis(2-pyridylimino)isoindolates and their application in asymmetric hydrosilylation. Inorg Chem. 2012;51:12948-58 pubmed publisher
  35. Modi S, Xiang T, Anderson B. Enhanced active liposomal loading of a poorly soluble ionizable drug using supersaturated drug solutions. J Control Release. 2012;162:330-9 pubmed publisher
    ..The proposed method may have general application in overcoming the formulation challenges associated with the liposomal delivery of poorly soluble, ionizable anticancer agents. ..
  36. Nakamura M, Miyamoto K, Hayashi K, Awaad A, Ochiai M, Ishimura K. Time-lapse fluorescence imaging and quantitative single cell and endosomal analysis of peritoneal macrophages using fluorescent organosilica nanoparticles. Nanomedicine. 2013;9:274-83 pubmed publisher
    ..F-thiol-OS-100 proved to be superior to quantum dots and organic flurescent dyes, and enabled quantitative single cell functional analysis. ..
  37. Yang Y, Samas B, Kennedy V, Macikenas D, Chaloux B, Miller J, et al. Long, directional interactions in cofacial silicon phthalocyanine oligomers. J Phys Chem A. 2011;115:12474-85 pubmed publisher
  38. Céspedes Guirao F, Martín Gomis L, Ohkubo K, Fukuzumi S, Fernandez Lazaro F, Sastre Santos A. Synthesis and photophysics of silicon phthalocyanine-perylenebisimide triads connected through rigid and flexible bridges. Chemistry. 2011;17:9153-63 pubmed publisher
    ..The photophysics of the three triads demonstrate the importance of the rigidity of the spacer and the orientation between donor and acceptor units. ..
  39. Du X, Li X, Xiong L, Zhang X, Kleitz F, Qiao S. Mesoporous silica nanoparticles with organo-bridged silsesquioxane framework as innovative platforms for bioimaging and therapeutic agent delivery. Biomaterials. 2016;91:90-127 pubmed publisher
  40. Silambarasan K, Narendra Kumar A, Joseph J. K4[Fe(CN)6] immobilized anion sensitive protonated amine functionalized polysilsesquioxane films for ultra-low electrochemical detection of dsDNA. Phys Chem Chem Phys. 2016;18:7468-74 pubmed publisher
    ..Both voltammetry and A.C. impedance spectroscopy studies revealed that these interactions could be exploited for the determination of ultra-low level (0.5 attomolar) of dsDNA present in aqueous solution. ..
  41. Ahmadi A, McBride C, Freire J, Kajetanowicz A, Czaban J, Grela K. Force field parametrization and molecular dynamics simulation of flexible POSS-linked (NHC; phosphine) Ru catalytic complexes. J Phys Chem A. 2011;115:12017-24 pubmed publisher
    ..Nonbonded interactions are also conveniently evaluated. From subsequent molecular dynamics simulations, we have obtained results that illustrate the conformational characteristics most closely connected with the catalytic activity. ..
  42. Koh Y, Lee B, Yoon H, Jang Y, Lee Y, Kim Y, et al. Bead affinity chromatography in a temperature-controllable microsystem for biomarker detection. Anal Bioanal Chem. 2012;404:2267-75 pubmed publisher
    ..The microsystem simplifies a sample preparation process required for protein analysis and cancer biomarker detection, which will accelerate the process of cancer research. ..
  43. Zewge D. Safe deprotection strategy for the tert-butyldimethylsilyl (TBS) group during RNA synthesis. Curr Protoc Nucleic Acid Chem. 2012;Chapter 3:Unit3.21 pubmed publisher
    ..Characterization of products is accomplished using LC/MS, RP HPLC and SAX HPLC. ..
  44. Kim G, Ryu S, Lee J, Seong K, Lee J, Yoon P, et al. Enhancement of thermal conductive pathway of boron nitride coated polymethylsilsesquioxane composite. J Nanosci Nanotechnol. 2013;13:7695-700 pubmed
    ..Densification of the composite resulted in better thermal properties. For an epoxy reinforced composite with 30 vol% BN and PMSQ, a thermal conductivity of nine times higher than that of pristine PMSQ was observed. ..
  45. Baron E, Malbasa C, Santo Domingo D, Fu P, Miller J, Hanneman K, et al. Silicon phthalocyanine (Pc 4) photodynamic therapy is a safe modality for cutaneous neoplasms: results of a phase 1 clinical trial. Lasers Surg Med. 2010;42:728-35 pubmed publisher
    ..Pc 4-PDT is a safe and tolerable treatment modality that effectively triggers apoptosis in cutaneous neoplasms such as mycosis fungoides. ..
  46. Jeng S, Hwang S, Hung Y, Chen S. Cholesteric liquid crystal devices with nanoparticle aggregation. Opt Express. 2010;18:22572-7 pubmed publisher
    ..A higher POSS concentration and a higher cooling rate both improve the appearance of the black-white CLC device. ..
  47. Petersen J, Bardon J, Dinia A, Ruch D, Gherardi N. Organosilicon coatings deposited in atmospheric pressure townsend discharge for gas barrier purpose: effect of substrate temperature on structure and properties. ACS Appl Mater Interfaces. 2012;4:5872-82 pubmed publisher
    ..The deposition temperature of coatings at 90 °C provides a strong improvement in barrier property compared to room temperature deposition, thanks to a densification of the SiO? matrix and to a decrease in the silanol group content. ..
  48. Meller K, Pomastowski P, Grzywiński D, Szumski M, Buszewski B. Preparation and evaluation of dual-enzyme microreactor with co-immobilized trypsin and chymotrypsin. J Chromatogr A. 2016;1440:45-54 pubmed publisher
    ..The hydrolysis products of transferrin were analyzed with MALDI-TOF which allows for the verification of the prepared enzymatic system applicability in the field of proteomic research. ..
  49. Romeo H, Fanovich M. Functionalized bridged silsesquioxane-based nanostructured microspheres: performance as novel drug-delivery devices in bone tissue-related applications. J Biomater Appl. 2012;26:987-1012 pubmed publisher
    ..The obtained results demonstrated the ability of this new class of functionalized hybrid microdevices as delivery systems into calcium phosphate materials with potential bone tissue-related drug-delivery applications. ..
  50. Becker L, Bergfeld W, Belsito D, Hill R, Klaassen C, LIEBLER D, et al. Safety assessment of silylates and surface-modified siloxysilicates. Int J Toxicol. 2013;32:5S-24S pubmed publisher
  51. Calderone J, Santos W. Copper(II)-catalyzed silyl conjugate addition to ?,?-unsaturated conjugated compounds: Brønsted base-assisted activation of Si-B bond in water. Org Lett. 2012;14:2090-3 pubmed publisher
    ..In the presence of a catalytic amount of copper(II) (1 mol %) and amine base (5 mol %) at rt, the transformation proceeds efficiently in water within 1.5-5 h to afford ?-silylated products in yields of up to 90%. ..
  52. Nayyer L, Birchall M, Seifalian A, Jell G. Design and development of nanocomposite scaffolds for auricular reconstruction. Nanomedicine. 2014;10:235-46 pubmed publisher
    ..Enabling desirable cellular interactions may lead to the successful clinical application of these novel scaffolds. ..
  53. Wängler B, Kostikov A, Niedermoser S, Chin J, Orchowski K, Schirrmacher E, et al. Protein labeling with the labeling precursor [(18)F]SiFA-SH for positron emission tomography. Nat Protoc. 2012;7:1964-9 pubmed publisher
    ..Not more than two maleimide groups are introduced using sulfo-SMCC, thereby keeping the modification of the protein low and preserving its biological activity...
  54. Albright A, Gawley R. Application of a C2-symmetric copper carbenoid in the enantioselective hydrosilylation of dialkyl and aryl-alkyl ketones. J Am Chem Soc. 2011;133:19680-3 pubmed publisher
    ..The scope of this transformation was investigated in the reduction of 10 aryl-alkyl and alkyl-alkyl ketones. ..
  55. Zlatogursky V. Raphidiophrys heterophryoidea sp. nov. (Centrohelida: Raphidiophryidae), the first heliozoan species with a combination of siliceous and organic skeletal elements. Eur J Protistol. 2012;48:9-16 pubmed publisher
    ..Raphidiophrys heterophryoidea presumably represents a stage of shift from scales to spicules, which, according to the molecular phylogenetic data, occurred at least twice in centrohelid evolution. ..
  56. Chen C, Shao X, Yao K, Yuan J, Shangguan W, Kawaguchi T, et al. Unusual catalytic effect of the two-dimensional molecular space with regular triphenylphosphine groups. Langmuir. 2011;27:11958-65 pubmed publisher
  57. Vinoba M, Bhagiyalakshmi M, Jeong S, Nam S, Yoon Y. Carbonic anhydrase immobilized on encapsulated magnetic nanoparticles for CO2 sequestration. Chemistry. 2012;18:12028-34 pubmed publisher
    ..The magnetic nanobiocatalyst was shown to be an excellent reusable catalyst for the sequestration of CO(2). ..
  58. Kozelj M, Orel B. N-heterocyclic carbenes--catalysts for the preparation of polyhedral silsesquioxanes. Dalton Trans. 2013;42:9432-6 pubmed publisher
    ..NHCs also catalyze a rearrangement of existing cages and a scrambling between two different cages at a concentration as low as 1 mol%. ..
  59. Neville F, Broderick M, Gibson T, Millner P. Fabrication and activity of silicate nanoparticles and nanosilicate-entrapped enzymes using polyethyleneimine as a biomimetic polymer. Langmuir. 2011;27:279-85 pubmed publisher
    ..Because enzymes can be entrapped during fabrication, it means that there are many future possibilities for the use of silicate nanoparticles containing enzymes, such as biosensors and biocatalytic reactors. ..
  60. Hu Y, Li J, Ma L, Peng Q, Feng W, Zhang L, et al. High efficiency transport of quantum dots into plant roots with the aid of silwet L-77. Plant Physiol Biochem. 2010;48:703-9 pubmed publisher
    ..Therefore, based on this transport approach, MAA-coated QDs can be utilized for live imaging in plant systems to verify known physiological processes. ..
  61. Ito S, Ohkita H, Benten H, Honda S. Spectroscopic analysis of NIR-dye sensitization in bulk heterojunction polymer solar cells. Ambio. 2012;41 Suppl 2:132-4 pubmed publisher
    ..The mechanism of the NIR-dye sensitization is studied by femtosecond transient absorption spectroscopy. ..
  62. Yu Y, Wu L. Analysis of endocrine disrupting compounds, pharmaceuticals and personal care products in sewage sludge by gas chromatography-mass spectrometry. Talanta. 2012;89:258-63 pubmed publisher
    ..High concentrations of PPCPs and EDCs were found in sewage sludge, ranging from 1502 to 5327 ng/g dry weight. Appropriate disposal of sewage sludge was required to avoid secondary contamination. ..
  63. Wang H, Lin D, Wang D, Hu L, Huang Y, Liu L, et al. Computational and experimental determinations of the UV adsorption of polyvinylsilsesquioxane-silica and titanium dioxide hybrids. Biomed Mater Eng. 2014;24:651-7 pubmed publisher
    ..This increase was validated with molecular simulations. Results show computational design can predict better sunscreens and reduce the effort of creating sunscreens that are capable of absorbing more UV-B and UV-A. ..
  64. Imashiro R, Uehara H, Barbas C. One-pot enantioselective syntheses of iminosugar derivatives using organocatalytic anti-michael-anti-aza-Henry reactions. Org Lett. 2010;12:5250-3 pubmed publisher
    ..The stereochemistry of the aza-Henry reaction was substrate controlled and is explained by a six-membered cyclic transition-state model. ..
  65. Beniazza R, Desvergnes V, Mehta G, Blanchard N, Robert F, Landais Y. An approach toward homocalystegines and silyl-homocalystegines. acid-mediated migrations of acetates in seven-membered ring systems. J Org Chem. 2011;76:791-9 pubmed publisher
    ..A tentative mechanism is proposed to rationalize the acetate migrations and inversions of the stereochemistry at various stereocenters. ..
  66. Wu X, Sun Y, Xie W, Liu Y, Song X. Development of novel dental nanocomposites reinforced with polyhedral oligomeric silsesquioxane (POSS). Dent Mater. 2010;26:456-62 pubmed publisher
    ..In current study, the nanocomposite with 2wt% POSS incorporated is observed to achieve the best improved effects. ..
  67. Vivero Escoto J, Rieter W, Lau H, Huxford Phillips R, Lin W. Biodegradable polysilsesquioxane nanoparticles as efficient contrast agents for magnetic resonance imaging. Small. 2013;9:3523-31 pubmed publisher
    ..The enhanced efficiency of the anisamide-functionalized PSQ-2 particles as a contrast agent is corroborated by both confocal laser scanning microscopy imaging and ICP-MS analysis of Gd content in vitro. ..
  68. Master A, Malamas A, Solanki R, Clausen D, Eiseman J, Sen Gupta A. A cell-targeted photodynamic nanomedicine strategy for head and neck cancers. Mol Pharm. 2013;10:1988-97 pubmed publisher
    ..Altogether our results show significant promise toward a cell-targeted photodynamic nanomedicine for effective treatment of H&N carcinomas. ..
  69. Terpstra A, Shopsowitz K, Gregory C, Manning A, Michal C, Hamad W, et al. Helium ion microscopy: a new tool for imaging novel mesoporous silica and organosilica materials. Chem Commun (Camb). 2013;49:1645-7 pubmed publisher
    ..Images of chiral nematic silica, ethylenesilica, and new benzenesilica reveal the structural organization, pore dimensions and connectivity of these materials on the nanometer length scale. ..
  70. Baran T, Foster T. Fluence rate-dependent photobleaching of intratumorally administered Pc 4 does not predict tumor growth delay. Photochem Photobiol. 2012;88:1273-9 pubmed publisher
    ..188), while at 150 mW cm(-2) this trend was reversed (P = 0.308). Thus, it appears that Pc 4 photobleaching is not a strong predictor of individual tumor response to Pc 4-PDT under these treatment conditions. ..
  71. Blake A, Harris N, Kays D, Lewis W, Moxey G. Bis[mu3-1,8-bis(triisopropylsilylamido)naphthalene]bis(tetrahydrofuran)di-mu3-oxido-dimanganese(III)disodium. Acta Crystallogr C. 2010;66:m204-6 pubmed publisher
    ..The presence of an additional Na...H-C agostic interaction potentially contributes to the distortion around the bridging oxide group. ..
  72. Filali H, Danel M, Ballereau S, Baltas M. Revisiting the aldol reaction of cis-?,?-epoxyaldehyde promoted by BF(3)·Et(2)O: direct access to 2-deoxy-2-fluoro heptulosonic ester analogues. Carbohydr Res. 2010;345:2421-6 pubmed publisher
    ..By varying the work-up conditions, a new 2-deoxy-2-fluoro heptulosonic ester analogue was synthesized. Derivatizations and detailed NMR analysis allowed the complete characterization of this fluoro analogue and its derivatives. ..
  73. Fazio T, Lee J, Wind S, Greene E. Assembly of DNA curtains using hydrogen silsesquioxane as a barrier to lipid diffusion. Anal Chem. 2012;84:7613-7 pubmed publisher
  74. Wada K, Sakugawa S, Inoue M. Facile preparation of silica-supported Ti catalysts effective for the epoxidation of cyclooctene using Ti-bridged silsesquioxanes. Chem Commun (Camb). 2012;48:7991-3 pubmed publisher
    ..Based on this observation, highly-active silica-supported Ti catalysts were prepared by the thermal treatment of mixtures of Ti-POSS and silica. ..
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    ..Additionally, the poly(POSS-co-LMA-co-MAA) monolith exhibited better selectivity for separation of polar compounds than those of other hybrid monoliths. ..
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    ..In vitro hyperthermia showed well-controlled self-heating properties, indicating that the nanoparticles could potentially be used as an anticancer drug carrier in the biomedical field. ..
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    ..This procedure accommodates various functional groups to yield a diverse range of diarylmethanes which are ubiquitous units of natural products and pharmaceuticals. ..
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    ..The studies reveal that the strong aggregation propensity of POSS leads to a low critical micelle concentration and induces the aggregation of micelles. Hollow supermicellar structures can be observed at a low concentration of 1 mg/mL. ..
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    ..Similarly, BSA and lysozyme were individually grafted to such Fischer carbene modified surfaces using their pendant lysine residues. It has been demonstrated that the anchored lysozyme retains its bactericidal property. ..
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    ..Moreover, limits of detection of 45 and 54 pg/ml were obtained for hepatitis B superficial antigen and HIV p24 antigen, respectively. ..
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    ..The overall results suggested that the highly functionalised PMOs could be tuned even at high BSBDA loadings (25 wt%). ..
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    ..This investigation provides in-depth understanding of how to construct hierarchical supramolecular nanostructures at a nanoscale less than 5 nm by manipulating and controlling the topological shape of hybrid molecules. ..