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Dr. TOMCZAK, Nikodem (Adjunct @ NUS, Chemistry)

Scientist II


IMRE staff with Adjunct Appointment in University/Industry, Advanced Characterisation and Instrumentation (ACI) Department

6319 4898

2 Fusionopolis Way. Innovis, #08-03, Singapore 138634

Research Details

Semiconductor nanocrystals (Quantum Dots)
Surface modification of nanoparticles
Single molecule optics
Scanning probe microscopy
Polymer chemistry and physics
Single molecule optics for nanoparticle characterization
Amphiphilic polymers for surface functionalization
Amphiphilic polymers as phase transfer agents
Metal-chelating polymers for CyTOF ICP-MS
Single photon sources
Quantum Dot based hybrid nanomaterials
Surface engineered Quantum Dots in photoelectrochemistry and supramolecular assembly
Stretching of single DNA chains on nanostructured surfaces
Antimicrobial surfaces by in situ synthesis of Ag nanoparticles
Clickable metal chelating polymers for mass spectroscopy applications
Plasmonic single photon sources
 2014-Current     Adjunct Associate Professor, Department of Chemistry, National University of Singapore
2009-Current      Scientist II, IMRE,
2006 - 2009        Research Engineer, IMRE, Singapore
2005 - 2006        Postdoctoral Fellowship, University of Twente, MESA+ Institute for Nanotechnology, Enschede, The Netherlands

PhD, University of Twente, The Netherlands, 2005
National Junior College Partners Award 2010
National Junior College Partners Award 2011
National Junior College Partners Award 2012
Mesa+ Lectureship Award @ ISPAC 2014

2006 - current     Co-Founder, Board member, Advanced Scanning Probe Solutions Foundation, The Netherlands

2011 - current     Editorial Scientific Advisory Board, European Polymer Journal (Elsevier)
Sarker M, Tomczak N*, Lim S (as corresponding author). Protein Nanocage as a pH-Switchable Pickering Emulsifier. ACS Applied Materials & Interfaces, 9 (12), 11193-11201, 2017

Liu RR, Lee YY, Chong KSL, Tomczak N* (as corresponding author).Transparent hydrophobic antimicrobial coatings by in-situ synthesis of Ag nanoparticles in a surface-grafted amphiphilic comb-copolymer. Advanced Materials Interfaces, 3, 1500448, 2016.

Du W, Wang T, Chu HS, Wu L, Liu RR, Sun S, Phua WK, Wang L, Tomczak N*, Nijhuis CA* (as corresponding author). On-chip molecular electronic plasmon sources based on self-assembled monolayer tunnel junctions. Nature Photonics, 10 (4), 247-280, 2016.

Paramelle D, Peng T, Free P, Fernig DG, Lim S, Tomczak N* (as corresponding author). Specific internalization of gold nanoparticles into engineered porous cages via affinity binding. PLOS One, 11 (9), e0162848, 2016.
Feng G, Liu J, Liu R, Mao D, Tomczak N, Liu B. Ultrasmall Conjugated Polymer Nanoparticles with High Specificity for Targeted Cancer Cell Imaging. Advanced Science, 1600407, 2016.

Geng J, Goh C, Qin W, Liu RR, Tomczak N, Ng LG, Tang BZ, Bin L. Sillica shelled and block copolymer encapsulated red-emissive AIE nanoparticles with 50% quantum yield for two-photon excited vascular imaging. Chemical Communications, 51, 13416-13419, 2015.

Jin GR, Mao D, Cai PQ, Liu RR, Tomczak N, Liu J, Chen XD, Kong DL, Ding D, Liu B, Li K. Conjugated Polymer Nanodots as Ultrastable Long-Term Trackers to Understand Mesenchymal Stem Cell Therapy in Skin Regeneration. Advanced Functional Materials, 25, 4263-4273, 2015.

Gao M, Hu QL, Feng GX, Tomczak N, Liu RR, Xing BG, Tang BZ, Liu B. A Multifunctional Probe with Aggregation-Induced Emission Characteristics for Selective Fluorescence Imaging and Photodynamic Killing of Bacteria Over Mammalian Cells. Advanced Healthcare Materials, 4, 659-663, 2015.

Liu RR, Liu B, Tomczak N*. Morphologically induced polychromism of MEH-PPV nanoparticles prepared
using amphiphilic comb-polymer as encapsulation matrix. European Polymer Journal, 50, 46, 2014.

Liu RR, Wong ST, Lau PZ, Tomczak N*. Stretching and imaging of single DNA chains on a hydrophobic polymer surface made of amphiphilic alternating comb-copolymer. ACS Applied Materials and Interfaces, 6, 2476, 2014.

Siti W, de Hoog HPM, Fischer O, Shan WY, Tomczak N, Nallani M, Liedberg B. An intercompartmental enzymatic cascade in channel-equipped polymersome-in-polymersome architectures. Journal of Materials Chemistry B, 2, 2733, 2014.

Liu J, Feng G, Liu RR, Tomczak N, Ma L, Gurzadyan GG, Liu B, Ding D, Goh CC, Feng G, Liu R, Tomczak N, Liu J, Geng J, Zhao Z, Tang BZ, Ng LG, Liu B. Ultrabright organic dots with aggregation-induced emission characteristics for real-time two-photon intravital vasculature imaging. Advanced Materials, 25, 6083, 2013.

Li K, Qin W, Ding D, Tomczak N, Geng JL, Liu RR, Liu JZ, Zhang XH, Liu HW, Liu B, Tang BZ. Photostable fluorescent organic dots with aggregation-induced emission (AIE dots) for noninvasive long-term cell tracing. Scientific Reports, 3, Art No: 1150, 2013

Tomczak N*, Liu RR, Vancso GJ. Polymer-coated Quantum Dots. Nanoscale, 5, 12018, 2013.

De Hoog HP, Nallani M, Tomczak N*. Self-assembled architectures with multiple aqueous compartments. Soft Matter, 8, 4552, 2012.

Li Y, Liu J, Liu B, Tomczak N*. Highly emissive PEG-encapsulated conjugated polymer nanoparticles. Nanoscale, 4, 5694, 2012.

Fu Z, Ochsner M, de Hoog HP, Tomczak N*, Nallani M. Multicompartmentalized polymersomes for selective encapsulation of biomacromolecules. Chemical Communications, 47, 2862-2864, 2011.
Janczewski D, Tomczak N, Han MY, Vancso GJ. Facile synthesis of functionalized amphiphilic polymers as versatile functional coating platform for quantum dots. Nature Protocols, 6, 1546, 2011.
Fu Z, Ochsner M, de Hoog HP, Tomczak N*, Nallani M. Multicompartmentalized polymersomes for selective encapsulation of biomacromolecules. Chemical Communications, 47, 2862-2864, 2011.
Tomczak N, Kuan Eng Johnson Goh, Eds., Scanning Probe Microscopy, World Scientific 2010, Singapore. ISBN: 978-981-4324-76-2.
Dorokhin D, Hsu S-H, Tomczak N, Blum C, Subramaniam V, Huskens J, Reinhoudt DN, Velders AH, Vancso GJ. Visualizing Resonance Energy Transfer in Supramolecular Surface Patterns of β-CD Functionalized Quantum Dot Hosts and Organic Dye Guests by Fluorescence Lifetime Imaging. Small, 6, 2870-2876, 2010.
Janczewski D, Tomczak N, Liu S, Han M-Y, Vancso GJ. Covalent assembly of fucntional inorganic nanoaprticles by “click” chemistry in water. Chem. Commun., 46, 3253-3255, 2010.
Dorokhin D, Hsu SH, Tomczak N, Reinhoudt DN, Huskens J, Velders AH, Vancso GJ. Fabrication and luminescence of designer surface patterns with beta-cyclodextrin functionalized quantum dots via multivalent supramolecular coupling. ACS Nano, 4 (1), 137-142, 2010.
Dorokhin D, Tomczak N, Han MY, Reinhoudt DN, Velders AH, Vancso GJ. Reversible phase transfer of (CdSe/ZnS) Quantum Dots between organic and aqueous solutions. ACS Nano, 3 (3), 661-667, 2009.
Tomczak N, Janczewski D, Han MY, Vancso GJ. Designer polymer-quantum dot architectures. Progr. Polym. Sci., 34 (5), 393-430, 2009.
Tomczak, N., Vancso, G.J. Elasticity of single poly(amido amine) dendrimers. Macromol. Rap. Commun., 28, 1640-1644 (2007)
Tomczak, N., van Hulst, N. F., Vancso, G. J. Beaded Electrospun Fibers for Photonic Applications. Macromolecules, 38, 7863-7866, 2005.
Tomczak, N., Vallée, R. A. L., Dijk, E. M. H. P. van, Kuipers, L., van Hulst, N. F., Vancso, G. J. Segment Dynamics in Thin Polystyrene Films Probed by Single Molecule Optics. J. Am. Chem. Soc., 126, 4748-4749, 2004.
Vallée, R. A. L., Tomczak, N. , Kuipers, L., Vancso, G. J., van Hulst, N. F Single Molecule Lifetime Fluctuations Reveal Segmental Dynamics in Polymers. Phys. Rev. Lett., 91(3), 038301-1-038301-4, 2003.
Formulation of Pickering emulsion using protein nanocage and the uses thereof
SG 10201600290W

“Click” based labelling platform for CyTOF ICP-MS.

Amphiphilic Polymer and Process of Forming the Same. PCT/SG2008/000356

Functional amphiphilic polymers-grafted nanoparticles for "click" chemistry-based sensing. US Provisional Patent Application 61/104,932
A Multicompartmentalized Vesicular Structure and a Method for Forming the Same. US 13/814,404
Synthesis of Amphiphilic Polyferrocenylsilane and its Applications as a Redox Responsive Container and
Nanoparticles Coating. SG Patent Application No. 201107326-9
Specific internalization of nanoparticles into protein cages. PCT/SG2013/000521, US14/651,626
Transparent antibacterial polymer-coated surface incorporating silver nanoparticles. SG 10201407608S

Last updated on : 05 Apr 2019 06:28 PM