Suresh Valiyaveettil

Summary

Affiliation: National University of Singapore
Country: Singapore

Publications

  1. pmc Anti-proliferative activity of silver nanoparticles
    P V AshaRani
    Department of Chemistry, Faculty of Science, 3 Science Drive 3, National University of Singapore, 117543 Singapore
    BMC Cell Biol 10:65. 2009
  2. doi request reprint Active targeting of cancer cells using folic acid-conjugated platinum nanoparticles
    Yiwei Teow
    Department of Chemistry, National University of Singapore NUS, 3 Science Drive 3, 117543, Singapore
    Nanoscale 2:2607-13. 2010
  3. pmc Differential regulation of intracellular factors mediating cell cycle, DNA repair and inflammation following exposure to silver nanoparticles in human cells
    Pv Asharani
    Department of Chemistry, Faculty of Science, 3 Science Drive 3, National University of Singapore, 117543, Singapore
    Genome Integr 3:2. 2012
  4. ncbi request reprint Fabrication of nanostructure on a polymer film using atomic force microscope
    Subbiah Jegadesan
    Department of Chemistry, 3 Science Drive 3, National University of Singapore, Singapore
    J Nanosci Nanotechnol 7:2172-5. 2007
  5. doi request reprint Amphiphilic poly(p-phenylene)-driven multiscale assembly of fullerenes to nanowhiskers
    Muhammad Hanafiah Nurmawati
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
    ACS Nano 2:1429-36. 2008
  6. doi request reprint Multicolored carbon nanotubes: decorating patterned carbon nanotube microstructures with quantum dots
    Xiaodai Lim
    Department of Physics, BLK S12, Faculty of Science, National University of Singapore, 2 Science Drive 3, Singapore 117542, Singapore
    ACS Nano 2:1389-95. 2008
  7. ncbi request reprint Easy writing of nanopatterns on a polymer film using electrostatic nanolithography
    Subbiah Jegadesan
    Department of Chemistry, NUS Nanoscience and Nanotechnology Initiative, National University of Singapore, 3 Science Drive 3, 117543, Singapore
    Small 2:481-4. 2006
  8. ncbi request reprint In vitro study of magnesium-calcite biomineralization in the skeletal materials of the seastar Pisaster giganteus
    Subramanyam Gayathri
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
    Chemistry 13:3262-8. 2007
  9. doi request reprint Structure, self-assembly, and dual role of a beta-defensin-like peptide from the Chinese soft-shelled turtle eggshell matrix
    Rajamani Lakshminarayanan
    Department of Chemistry, Faculty of Science, 3 Science Drive 3, National University of Singapore, Singapore 117543
    J Am Chem Soc 130:4660-8. 2008
  10. ncbi request reprint Simple and efficient biomimetic synthesis of Mn3O4 hierarchical structures and their application in water treatment
    Ramakrishna Mallampati
    Department of Chemistry, National University of Singapore, 117543, Singapore
    J Nanosci Nanotechnol 12:618-22. 2012

Collaborators

  • Chanbasha Basheer
  • R Manjunatha Kini
  • Zhiyuan Gong
  • M Prakash Hande
  • Seetharama D S Jois
  • P V AshaRani
  • Ganapathy Balaji
  • Ramakrishna Mallampati
  • Ashok Keerthi
  • Yiwei Teow
  • Rajamani Lakshminarayanan
  • Narahari Mahanta
  • Sajini Vadukumpully
  • M Prakash Hande
  • Yajnavalka Banerjee
  • Subbiah Jegadesan
  • Swaminathan Sindhu
  • Chorng Haur Sow
  • Subramanyam Gayathri
  • Pv Asharani
  • Shahitha Jahir Hussain Fathima
  • Muhammad Hanafiah Nurmawati
  • Xiaodai Lim
  • Subramanian Vivekanandan
  • Fook Chiong Cheong
  • Binni Varghese
  • Swaminathan Sethu
  • Qing Wang
  • Hui Kheng Lim
  • Yeru Liu
  • Andrea M Della Pelle
  • Jhinuk Gupta
  • Yi Lianwu
  • Yongping Zhang
  • S Thayumanavan
  • Tejaswini S Kale
  • Guo Qin Xu
  • Cheng Suh Jeng
  • Wong Low Shim
  • Dazril Izrar Phua
  • Jinu Paul
  • Ng Xinyi
  • Manoor Prakash Hande
  • Grace Low Kah Mun
  • Emma Ooi Chi-Jin
  • Kay Wah Teo
  • Ravindranath Renu
  • Yanwu Zhu
  • Nurmawati Muhammad Hanafiah
  • Parayil Kumaran Ajikumar
  • Yi Lian Wu
  • Ramar Perumal Samy
  • Ganesh Srinivasan Anand
  • Daniel E Morse
  • James C Weaver
  • Chwee Teck Lim
  • Xian Jun Loh
  • Ting Yu

Detail Information

Publications30

  1. pmc Anti-proliferative activity of silver nanoparticles
    P V AshaRani
    Department of Chemistry, Faculty of Science, 3 Science Drive 3, National University of Singapore, 117543 Singapore
    BMC Cell Biol 10:65. 2009
    ..No safety regulations are in practice for the use of these nanomaterials. The interactions of nanomaterials with cells, uptake mechanisms, distribution, excretion, toxicological endpoints and mechanism of action remain unanswered...
  2. doi request reprint Active targeting of cancer cells using folic acid-conjugated platinum nanoparticles
    Yiwei Teow
    Department of Chemistry, National University of Singapore NUS, 3 Science Drive 3, 117543, Singapore
    Nanoscale 2:2607-13. 2010
    ..Such toxicity, combined with the possibility to incorporate functional organic molecules as capping agents, can be used for developing new drug candidates...
  3. pmc Differential regulation of intracellular factors mediating cell cycle, DNA repair and inflammation following exposure to silver nanoparticles in human cells
    Pv Asharani
    Department of Chemistry, Faculty of Science, 3 Science Drive 3, National University of Singapore, 117543, Singapore
    Genome Integr 3:2. 2012
    ..abstract:..
  4. ncbi request reprint Fabrication of nanostructure on a polymer film using atomic force microscope
    Subbiah Jegadesan
    Department of Chemistry, 3 Science Drive 3, National University of Singapore, Singapore
    J Nanosci Nanotechnol 7:2172-5. 2007
    ..The nanostructure of size 28 nm was created using the biased AFM tip on the PMAA film coated on Si(100) substrate and found that this method is a direct and reliable method to produce uniform nanostructures on a polymer film...
  5. doi request reprint Amphiphilic poly(p-phenylene)-driven multiscale assembly of fullerenes to nanowhiskers
    Muhammad Hanafiah Nurmawati
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
    ACS Nano 2:1429-36. 2008
    ..The formation of whiskers with high aspect ratio and investigation of interesting photophysical properties are discussed. An amphiphilic PPP was used as a template for preparing nanohybrids of C(60) at ambient temperature and conditions...
  6. doi request reprint Multicolored carbon nanotubes: decorating patterned carbon nanotube microstructures with quantum dots
    Xiaodai Lim
    Department of Physics, BLK S12, Faculty of Science, National University of Singapore, 2 Science Drive 3, Singapore 117542, Singapore
    ACS Nano 2:1389-95. 2008
    ..As a result, multicolored/multicomponents hybrid functional materials were achieved...
  7. ncbi request reprint Easy writing of nanopatterns on a polymer film using electrostatic nanolithography
    Subbiah Jegadesan
    Department of Chemistry, NUS Nanoscience and Nanotechnology Initiative, National University of Singapore, 3 Science Drive 3, 117543, Singapore
    Small 2:481-4. 2006
  8. ncbi request reprint In vitro study of magnesium-calcite biomineralization in the skeletal materials of the seastar Pisaster giganteus
    Subramanyam Gayathri
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
    Chemistry 13:3262-8. 2007
    ....
  9. doi request reprint Structure, self-assembly, and dual role of a beta-defensin-like peptide from the Chinese soft-shelled turtle eggshell matrix
    Rajamani Lakshminarayanan
    Department of Chemistry, Faculty of Science, 3 Science Drive 3, National University of Singapore, Singapore 117543
    J Am Chem Soc 130:4660-8. 2008
    ..The results demonstrate the adaptability of an extracellular matrix protein to perform multiple tasks: polymorph discrimination and protection of the contents of the egg against bacterial invasion...
  10. ncbi request reprint Simple and efficient biomimetic synthesis of Mn3O4 hierarchical structures and their application in water treatment
    Ramakrishna Mallampati
    Department of Chemistry, National University of Singapore, 117543, Singapore
    J Nanosci Nanotechnol 12:618-22. 2012
    ..The prepared Mn3O4 showed good ability to remove organic pollutants from water and expected to be useful in effluent treatment in textile industry...
  11. doi request reprint Health impact and safety of engineered nanomaterials
    Yiwei Teow
    Department of Chemistry, National University of Singapore NUS, 3 Science Drive 3, 117543, Singapore
    Chem Commun (Camb) 47:7025-38. 2011
    ..This review focus on the possible biological impact of engineered NPs, serving as a reminder that nanomaterials can become a double-edged sword if not properly handled...
  12. doi request reprint Comparison of the toxicity of silver, gold and platinum nanoparticles in developing zebrafish embryos
    P V AshaRani
    Department of Chemistry, National University of Singapore, Singapore
    Nanotoxicology 5:43-54. 2011
    ..The toxic effects exhibited by the zebrafish embryos as a consequence of nanoparticle exposure, accompanied by the accumulation of metals inside the body calls for urgent further investigations in this field...
  13. ncbi request reprint Fabrication and characterization of hybrid nanofibers from poly(vinyl alcohol), milk protein and metal carbonates
    Narahari Mahanta
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
    J Nanosci Nanotechnol 12:6156-62. 2012
    ..The cytocompatibility and increase in cell adhesion property of the hybrid nanofiber may provide significant advantages for such materials in biomedical applications...
  14. doi request reprint Carbon nanofibers extracted from soot as a sorbent for the determination of aromatic amines from wastewater effluent samples
    Sajini Vadukumpully
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
    J Chromatogr A 1218:3581-7. 2011
    ..The proposed microextraction method offers advantages such as easy operation, high recovery, fast extraction, minimal use of organic solvent and elimination of tedious solvent evaporation and reconstitution steps...
  15. pmc Biophysical characterization of anticoagulant hemextin AB complex from the venom of snake Hemachatus haemachatus
    Yajnavalka Banerjee
    Department of Biological Sciences, Faculty of Science, and Department of Chemistry, National University of Singapore, Singapore
    Biophys J 93:3963-76. 2007
    ..The two dimers formed under each of these conditions display distinct differences in their apparent molecular diameters and anticoagulant properties. Based on these results, we have proposed a model for this unique anticoagulant complex...
  16. doi request reprint Surface modified electrospun poly(vinyl alcohol) membranes for extracting nanoparticles from water
    Narahari Mahanta
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
    Nanoscale 3:4625-31. 2011
    ..Our results highlight that functionalized nanofibers have high extraction efficiency for dissolved nanoparticles in water and can be used for removal of the nanocontaminants from the aqueous environment...
  17. doi request reprint DNA damage and p53-mediated growth arrest in human cells treated with platinum nanoparticles
    P V AshaRani
    Department of Chemistry, Faculty of Science, 3 Science Drive 3, National University of Singapore, Singapore
    Nanomedicine (Lond) 5:51-64. 2010
    ..This study investigates the uptake and bioactivity (e.g., cytotoxicity, genotoxicity and protein expression) of platinum nanoparticles (Pt-NPs, approximately 5-8 nm in size) in human cells...
  18. doi request reprint Functionalization of surfactant wrapped graphene nanosheets with alkylazides for enhanced dispersibility
    Sajini Vadukumpully
    Department of Chemistry, National University of Singapore NUS, 3 Science Drive 3, 117543, Singapore
    Nanoscale 3:303-8. 2011
    ..Our results open the possibility to control the functionalization on graphene in the construction of composite nanomaterials...
  19. ncbi request reprint Size selective assembly of colloidal particles on a template by directed self-assembly technique
    Binni Varghese
    Department of Physics, Faculty of Science, National University of Singapore, 2 Science Drive 3, Singapore
    Langmuir 22:8248-52. 2006
    ..This concept has been extended to the size selective sorting of colloidal particles. The capability of this technique for sorting and organizing colloidal particles of a particular diameter from a mixture of microspheres is demonstrated...
  20. doi request reprint Surface-structured gold-nanotube mats: fabrication, characterization, and application in surface-enhanced Raman scattering
    Shahitha Jahir Hussain Fathima
    Department of Chemistry, NUS Nanoscience and Nanotechnology Initiative, National University of Singapore, 3 Science Drive 3, 117543 Singapore
    Small 6:2443-7. 2010
    ..Well-defined spectral peaks are obtainable at concentrations as low as 10(-7) M of CV, which did not give spectral signals at this low concentration on its own...
  21. ncbi request reprint Toxicity of silver nanoparticles in zebrafish models
    P V AshaRani
    Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, 117543, Singapore
    Nanotechnology 19:255102. 2008
    ..Furthermore, the acridine orange staining showed an increased apoptosis in Ag-np treated embryos. These results suggest that silver nanoparticles induce a dose-dependent toxicity in embryos, which hinders normal development...
  22. doi request reprint Apple peels--a versatile biomass for water purification?
    Ramakrishna Mallampati
    Department of Chemistry, National University of Singapore, Singapore
    ACS Appl Mater Interfaces 5:4443-9. 2013
    ..Overall, the Zr immobilized apple peel is an efficient adsorbent for common anionic pollutants...
  23. doi request reprint Biomimetic metal oxides for the extraction of nanoparticles from water
    Ramakrishna Mallampati
    Materials Research Laboratory, Department of Chemistry, National University of Singapore, Science Drive 3, Singapore 117543
    Nanoscale 5:3395-9. 2013
    ..Easy access and enhanced stability of metal oxides makes them interesting candidates for applications in industrial effluent treatments and water purifications...
  24. ncbi request reprint Formation of transient amorphous calcium carbonate precursor in quail eggshell mineralization: an in vitro study
    Rajamani Lakshminarayanan
    Department of Chemistry, NUS Nanoscience and Nanotechnology Initiative, and Department of Biological Sciences, National University of Singapore, Singapore, 3 Science Drive 3, Singapore 117543
    Biomacromolecules 7:3202-9. 2006
    ..Altogether, these observations further demonstrate that this strategy may be common in both vertebrate and invertebrate mineralized structures...
  25. doi request reprint Synthesis of perylene dyes with multiple triphenylamine substituents
    Ashok Keerthi
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
    Chemistry 18:11669-76. 2012
    ..Corresponding anhydrides of PMIs were used for fabrication of dye-sensitized solar cells. The molecule with four triphenylamine units on perylene monoanhydride showed the highest power conversion efficiency...
  26. ncbi request reprint Regioisomers of perylenediimide: synthesis, photophysical, and electrochemical properties
    Ashok Keerthi
    Department of Chemistry, National University of Singapore, Singapore
    J Phys Chem B 116:4603-14. 2012
    ..Comparison of properties of a series of 1,6- or 1,7-substituted PDIs showed significant differences. Such regiomerically pure compounds can offer certain advantages in applications, which are currently being investigated...
  27. ncbi request reprint Synthesis and properties of symmetric and unsymmetric dibenzothienopyrroles
    Ganapathy Balaji
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117 546
    Org Lett 11:3358-61. 2009
    ..The crystal structure, photophysical and electrochemical properties of symmetrical and unsymmetrical heteroacenes are described...
  28. doi request reprint Synthesis and characterization of unsymmetric indolodithienopyrrole and extended diindolodithienopyrrole
    Ganapathy Balaji
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117 543
    Org Lett 12:232-5. 2010
    ..Solid-state structures were examined using single-crystal X-ray diffraction to understand their packing behavior. The optical and electrochemical properties of these new heteroacenes are also described in detail...
  29. ncbi request reprint Low band gap thiophene-perylene diimide systems with tunable charge transport properties
    Ganapathy Balaji
    Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
    Org Lett 13:18-21. 2011
    ..8 × 10(-7) cm(2) V(-1) s(-1). This suggests that charge transport properties can be tuned by simply varying the architecture of pentathiophene units...
  30. doi request reprint Cytotoxicity and genotoxicity of silver nanoparticles in human cells
    P V AshaRani
    Department of Chemistry, Faculty of Science, National University of Singapore, Singapore 117543, Singapore 117597
    ACS Nano 3:279-90. 2009
    ..The higher sensitivity of U251 cells and their arrest in G(2)/M phase could be explored further for evaluating the potential use of Ag-np in cancer therapy...