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1

New piperazine-based polymerizable monoquaternary cationic surfactants: Synthesis, polymerization, and swelling characteristics of gels

G. Roshan Deen, L. H. Gan

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2009

Language:

english

File:

PDF, 795 KB

english, 2009

2

New pH-responsive linear and crosslinked functional copolymers ofN-acryloyl-N′-phenyl piperazine with acrylic acid and hydroxyethyl methacrylate: synthesis, reactivity, and effect of steric hindrance on swelling

Roshan Deen, G., Lee, T. T.

Journal:

Polymer Bulletin

Year:

2012

Language:

english

File:

PDF, 653 KB

english, 2012

3

Utilising inorganic nanocarriers for gene delivery

Loh, Xian Jun, Lee, Tung-Chun, Dou, Qingqing, Deen, G. Roshan

Journal:

Biomaterials Science

Year:

2015

Language:

english

File:

PDF, 4.97 MB

english, 2015

4

Water-sorption and metal-uptake behavior of pH-responsive poly (N-acryloyl-N′-methylpiperazine) gels

X. J. Loh, G. Roshan Deen, Y. Y. Gan, L. H. Gan

Journal:

Journal of Applied Polymer Science

Year:

2001

Language:

english

File:

PDF, 128 KB

english, 2001

5

Influence of amino group pKa on the properties of stimuli-responsive piperazine-based polymers and hydrogels

G. Roshan Deen, L. H. Gan

Journal:

Journal of Applied Polymer Science

Year:

2008

Language:

english

File:

PDF, 354 KB

english, 2008

6

Synthesis and Properties of Piperazine Derivatives and Their Quaternary Ammonium Amphiphilic Salts

L.H. Gan, G.Roshan Deen, Y.Y. Gan, C.H. Chew

Journal:

Journal of Colloid and Interface Science

Year:

1996

Language:

english

File:

PDF, 150 KB

english, 1996

7

Preparation and characterization of PbS nanoclusters made by using a powder method on ionomers

G. Roshan Deen, M. Hara

Journal:

Year:

2005

Language:

english

File:

PDF, 156 KB

english, 2005

8

Water sorption studies of new pH-responsive N-acryloyl-N′-methyl piperazine and methyl methacrylate hydrogels

L.H Gan, G Roshan Deen, Y.Y Gan, K.C Tam

Journal:

European Polymer Journal

Year:

2001

Language:

english

File:

PDF, 236 KB

english, 2001

9

New stimuli-responsive copolymers of N-acryloyl-N′-alkyl piperazine and methyl methacrylate and their hydrogels

L.H Gan, G Roshan Deen, X.J Loh, Y.Y Gan

Journal:

Year:

2001

Language:

english

File:

PDF, 117 KB

english, 2001

10

Up-conversion emission in violet from neodymium oxalate and neodymium oxide phosphors obtained by microemulsion technique

Wenxiu Que, S Buddhudu, Y Zhou, Y.L Lam, J Zhou, Y.C Chan, C.H Kam, L.H Gan, G Roshan Deen

Journal:

Materials Science and Engineering: C

Year:

2001

Language:

english

File:

PDF, 166 KB

english, 2001

11

Preparation and characterization of erbium oxalate and erbium oxide nanoparticles by microemulsion technique

Wenxiu Que, S Buddhudu, Y Zhou, Y.L Lam, J Zhou, Y.C Chan, C.H Kam, L.H Gan, G Roshan Deen

Journal:

Materials Science and Engineering: C

Year:

2001

Language:

english

File:

PDF, 123 KB

english, 2001

12

Biodegradable elastomers based on ABA triblocks: influence of end-block crystallinity on elastomeric character

Jen Fong Kong, Vitali Lipik, Marc JM Abadie, Gulam Roshan Deen, Subbu S Venkatraman

Journal:

Polymer International

Year:

2012

Language:

english

File:

PDF, 246 KB

english, 2012

13

New functional copolymers ofN-acryloyl-N′-methyl piperazine and 2-hydroxyethyl methacrylate: synthesis, determination of reactivity ratios and swelling characteristics of gels

G. Roshan Deen, Y. Y. Gan, L. H. Gan, S. H. Teng

Journal:

Polymer Bulletin

Year:

2011

Language:

english

File:

PDF, 435 KB

english, 2011

14

Structural Development of Self Nano Emulsifying Drug Delivery Systems (SNEDDS) DuringIn VitroLipid Digestion Monitored by Small-angle X-ray Scattering

Dimitrios G. Fatouros, G. Roshan Deen, Lise Arleth, Bjorn Bergenstahl, Flemming Seier Nielsen, Jan Skov Pedersen, Anette Mullertz

Journal:

Pharmaceutical Research

Year:

2007

Language:

english

File:

PDF, 447 KB

english, 2007

15

Up-conversion luminescence of erbium (III) oxalate nanoparticles/titania/ÿ-glycidoxypropyltrimethoxysilane composite sol-gel thin films

Wenxiu Que, Y. Zhou, Y.L. Lam, Y. C. Chan, C. H. Kam, L. H. Gan, G. Roshan Deen

Journal:

Journal of Electronic Materials

Year:

2001

Language:

english

File:

PDF, 448 KB

english, 2001

16

A new cationic surfactant N,N′-dimethyl-N-acryloyloxyundecyl piperazinium bromide and its pH-sensitive gels by microemulsion polymerisation

G. Roshan Deen, L.H. Gan, Y.Y. Gan

Journal:

Year:

2004

Language:

english

File:

PDF, 319 KB

english, 2004

17

Copolymers of N-acryloyl-N′-methylpiperazine and methyl methacrylate: Synthesis and its application for Hg(II) detection by anodic stripping voltammetry

L.H. Gan, N.K. Goh, B. Chen, C.K. Chu, G.Roshan Deen, C.H. Chew

Journal:

European Polymer Journal

Year:

1997

Language:

english

File:

PDF, 556 KB

english, 1997

18

Copolymers of N-acryloyl-N′-methyl piperazine and methyl methacrylate: Synthesis and determination of monomer reactivity ratios

L.H. Gan, G.Roshan Deen, Y.Y. Gan

Journal:

European Polymer Journal

Year:

1998

Language:

english

File:

PDF, 288 KB

english, 1998

19

Characterization and degradation of elastomeric four-armed star copolymers based on caprolactone and L-lactide

Jen Fong Kong, Vitali Lipik, Marc J. M. Abadie, G. Roshan Deen, Subbu S. Venkatraman

Journal:

Journal of Biomedical Materials Research Part A

Year:

2012

Language:

english

File:

PDF, 1.30 MB

english, 2012

20

Synthesis, swelling properties, and network structure of new stimuli-responsive poly(N-acryloyl-N′-ethyl piperazine-co-N-isopropylacrylamide) hydrogels

G. Roshan Deen, Vivien Chua, Usman Ilyas

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2012

Language:

english

File:

PDF, 446 KB

english, 2012

21

Fluorescence characteristics from microemulsion technique derived erbium (III) oxide nanocrystals

Wenxiu Que, Y Zhou, C.H Kam, Y.L Lam, Y.C Chan, L.H Gan, G.Roshan Deen

Journal:

Materials Research Bulletin

Year:

2001

Language:

english

File:

PDF, 220 KB

english, 2001

22

Chemical accumulation and voltammetric determination of traces of nickel(II) at glassy carbon electrodes modified with dimethyl glyoxime containing polymer coatings

Chen Bing, Roshan Deen, Goh Ngoh Khang, Chia Lian Sai, Lars Kryger

Journal:

Year:

1999

Language:

english

File:

PDF, 116 KB

english, 1999

23

Determination of reactivity ratios and swelling characteristics of ‘stimuli’ responsive copolymers of N-acryloyl-N′-ethyl piperazine and MMA

G. Roshan Deen, L.H. Gan

Journal:

Year:

2006

Language:

english

File:

PDF, 287 KB

english, 2006

24

Poly( N -acryloyl- N ‘-propylpiperazine): A New Stimuli-Responsive Polymer

Gan, L. H., Gan, Y. Y., Deen, G. Roshan

Journal:

Year:

2000

Language:

english

File:

PDF, 70 KB

english, 2000

25

Anisotropic Crystal Growth Kinetics of Anatase TiO 2 Nanoparticles Synthesized in a Nonaqueous Medium

Jensen, Grethe Vestergaard, Bremholm, Martin, Lock, Nina, Deen, G. Roshan, Jensen, Torben R., Iversen, Bo B., Niederberger, Markus, Pedersen, Jan Skov, Birkedal, Henrik

Journal:

Chemistry of Materials

Year:

2010

Language:

english

File:

PDF, 2.30 MB

english, 2010

26

Micro-DSC, rheological and NMR investigations of the gelation of gallic acid and xyloglucan

Hirun, Namon, Bao, Hongqian, Li, Lin, Deen, G. Roshan, Tantishaiyakul, Vimon

Journal:

Year:

2012

Language:

english

File:

PDF, 1.94 MB

english, 2012

27

New Cationic Linear Copolymers and Hydrogels of N -Vinyl Caprolactam and N -Acryloyl- N′ -ethyl Piperazine: Synthesis, Reactivity, Influence of External Stimuli on the LCST and Swelling Properties

Deen, G. Roshan, Lim, Eu Kiat, Mah, Chin Hao, Heng, Kuang Meng

Journal:

Industrial & Engineering Chemistry Research

Year:

2012

Language:

english

File:

PDF, 966 KB

english, 2012

28

Phase Behavior and Kinetics of Phase Separation of a Nonionic Microemulsion of C 12 E 5 /Water/1-Chlorotetradecane upon a Temperature Quench

Roshan Deen, G., Oliveira, Cristiano L. P., Pedersen, Jan Skov

Journal:

Journal of Physical Chemistry B

Year:

2009

Language:

english

File:

PDF, 752 KB

english, 2009

29

Structures of PEP–PEO Block Copolymer Micelles: Effects of Changing Solvent and PEO Length and Comparison to a Thermodynamic Model

Jensen, Grethe Vestergaard, Shi, Qing, Deen, G. Roshan, Almdal, Kristoffer, Pedersen, Jan Skov

Journal:

Year:

2012

Language:

english

File:

PDF, 1.44 MB

english, 2012

30

Collapse of Linear Polyelectrolyte Chains in a Poor Solvent: When Does a Collapsing Polyelectrolyte Collect its Counterions?

Loh, Peter, Deen, G. Roshan, Vollmer, Doris, Fischer, Karl, Schmidt, Manfred, Kundagrami, Arindam, Muthukumar, Murugappan

Journal:

Year:

2008

Language:

english

File:

PDF, 839 KB

english, 2008

31

Microemulsion Droplets Decorated by Brij700 Block Copolymer: Phase Behavior and Structural Investigation by SAXS and SANS

Sommer, Cornelia, Deen, G. Roshan, Pedersen, Jan Skov, Strunz, Pavel, Garamus, Vasil M.

Journal:

Year:

2007

Language:

english

File:

PDF, 214 KB

english, 2007

32

Preparation and Luminescence Properties of Neodymium(III) Oxide Nanocrystals Dispersed in Sol-gel Titania/ (γ-glycidoxypropyl)Trimethoxysilane Composite Thin Films

Que, Wenxiu, Hu, X., Gan, L. H., Deen, G. Roshan

Journal:

Journal of Materials Research

Year:

2002

Language:

english

File:

PDF, 285 KB

english, 2002

33

Phase Behavior and Microstructure of C 12 E 5 Nonionic Microemulsions with Chlorinated Oils

Deen, G. Roshan, Pedersen, Jan Skov

Journal:

Year:

2008

Language:

english

File:

PDF, 121 KB

english, 2008

34

Nucleation of an Oil Phase in a Nonionic Microemulsion-Containing Chlorinated Oil upon Systematic Temperature Quench

Deen, G. Roshan, Pedersen, Jan Skov

Journal:

Journal of Physical Chemistry B

Year:

2010

Language:

english

File:

PDF, 947 KB

english, 2010

35

Network Structure and Congo Red Dye Removal Characteristics of New Temperature-Responsive Hydrogels

Deen, G. Roshan, Lim, Zheng Long, Mah, Chin Hao, Tng, Shi Qi, Sakthivel, Monisha, Lim, Yi Qing, Loh, Xian Jun

Journal:

Separation Science and Technology

Year:

2015

Language:

english

File:

PDF, 14.81 MB

english, 2015

36

Photoluminescence of erbium oxide nanocrystals/TiO2/γ-glycidoxypropyltrimethoxysilane (GLYMO) composite sol–gel thin films derived at low temperature

Que, Wenxiu, Zhou, Y., Lam, Y. L., Zhou, J., Chan, Y. C., Kam, C. H., Gan, L. H., Deen, G. Roshan

Journal:

Journal of Applied Physics

Year:

2001

Language:

english

File:

PDF, 286 KB

english, 2001

37

Influence of multiple stimuli on the lower critical solution temperature of new cationic poly( N -acryloyl- N ′-ethylpiperazine- co-N -isopropylacrylamide) solutions

Deen, G. Roshan, Zhen, Quah Li, Hao, Mah Chin, Jun Loh, Xian

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

2013

Language:

english

File:

PDF, 220 KB

english, 2013

38

Swelling Behavior and Metal-Ion Uptake Capacity of pH-Responsive Hydrogels of Poly( N -acryloyl- N ′-ethylpiperazine)

Deen, G. Roshan

Journal:

Journal of Dispersion Science and Technology

Year:

2010

Language:

english

File:

PDF, 419 KB

english, 2010

39

Influence of a New Stiff Crosslinker on the Swelling of Poly( N -isopropyl Acrylamide-co-Sodium Acrylate) Hydrogels and Silver Nanocomposite

Deen, G. Roshan, Santha, S.

Journal:

International Journal of Polymeric Materials

Year:

2013

Language:

english

File:

PDF, 430 KB

english, 2013

40

Investigation on the structure of temperature-responsive N -isopropylacrylamide microgels containing a new hydrophobic crosslinker

Deen, G. Roshan, Pedersen, Jan Skov, Foreman, Mark

Journal:

Cogent Chemistry

Year:

2015

Language:

english

File:

PDF, 1.06 MB

english, 2015

41

Solution Properties of Water-Soluble “Smart” Poly(N-acryloyl-N′-ethyl piperazine-co-methyl methacrylate)

Deen, G. Roshan

Journal:

Year:

2012

Language:

english

File:

PDF, 457 KB

english, 2012

42

Study of Microemulsion Polymerization Conditions on the Preparation of “Stimuli” Responsive Copolymer Nanogels of N‐Acryloyl‐N′‐Methyl Piperazine and Methyl Methacrylate

Deen, G. Roshan, Gan, L. H.

Journal:

Journal of Dispersion Science and Technology

Year:

2008

Language:

english

File:

PDF, 242 KB

english, 2008

43

Late-stage coarsening of oil droplets of excess oil in microemulsions following a temperature quench

Deen, G. Roshan, Pedersen, Jan Skov

Journal:

Zeitschrift für Metallkunde

Year:

2006

Language:

english

File:

PDF, 195 KB

english, 2006

44

THERMOGELLING COPOLYMERS FOR MEDICAL APPLICATIONS

YE, ENYI, DEEN, G. ROSHAN, LOH, XIAN JUN

Journal:

Journal of Molecular and Engineering Materials

Year:

2013

Language:

english

File:

PDF, 2.48 MB

english, 2013

45

Influence of external stimuli on the network properties of cationic poly(N-acryloyl-N’-propyl piperazine) hydrogels

Deen, G. Roshan, Mah, Chin Hao

Journal:

Year:

2016

Language:

english

File:

PDF, 1.18 MB

english, 2016

46

New stimuli-responsive polyampholyte: Effect of chemical structure and composition on solution properties and swelling mechanism

Deen, G. Roshan, Wei, Teo Tee, Fatt, Lee Kim

Journal:

Year:

2016

Language:

english

File:

PDF, 1.29 MB

english, 2016

47

Effect of nature of chemical crosslinker on swelling and solubility parameter of a new stimuli-responsive cationic poly(N-acryloyl-N′-propyl piperazine) hydrogel

Mah, Chin Hao, Wu, QianYi, Deen, G. Roshan

Journal:

Polymer Bulletin

Year:

2017

Language:

english

File:

PDF, 764 KB

english, 2017

48

Nano-Star-Shaped Polymers for Drug Delivery Applications

Yang, Da-Peng, Oo, Ma Nwe Nwe Linn, Deen, Gulam Roshan, Li, Zibiao, Loh, Xian Jun

Journal:

Macromolecular Rapid Communications

Year:

2017

Language:

english

File:

PDF, 4.54 MB

english, 2017

49

Myoglobin and α -Lactalbumin Form Smaller Complexes with the Biosurfactant Rhamnolipid Than with SDS

Mortensen, Henriette Gavlshøj, Madsen, Jens Kvist, Andersen, Kell K., Vosegaard, Thomas, Deen, G. Roshan, Otzen, Daniel E., Pedersen, Jan Skov

Journal:

Biophysical Journal

Year:

2017

Language:

english

File:

PDF, 898 KB

english, 2017

50

TiO2 Nano-cluster Thin Films by Dense Plasma Focus and Ion Implantation Effect on its Photocatalytic Activity

Macharaga, G., Rawat, R.S., Deen, G. Roshan, Lee, P., Tan, T.L., Springham, S.V.

Journal:

Journal of Advanced Oxidation Technologies

Year:

2011

Language:

english

File:

PDF, 377 KB

english, 2011

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