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1

Synthesis and swelling behavior of pH-sensitive semi-interpenetrating polymer network composite hydrogels based on native and modified potatoes starch as potential sorbent for cationic dyes

Ecaterina Stela Dragan, Diana Felicia Apopei

Journal:

Chemical Engineering Journal

Year:

2011

Language:

english

File:

PDF, 1.41 MB

english, 2011

2

Design and applications of interpenetrating polymer network hydrogels. A review

Dragan, Ecaterina Stela

Journal:

Chemical Engineering Journal

Year:

2014

Language:

english

File:

PDF, 3.25 MB

english, 2014

3

Design of porous strong base anion exchangers bearing N,N-dialkyl 2-hydroxyethyl ammonium groups with enhanced retention of Cr(VI) ions from aqueous solution

Dragan, Ecaterina Stela, Humelnicu, Doina, Dinu, Maria Valentina

Journal:

Reactive and Functional Polymers

Year:

2018

Language:

english

File:

PDF, 613 KB

english, 2018

4

Polyelectrolyte complexes. I. Synthesis and characterization of some insoluble polyanion-polycation complexes

Stela Dragan, Mariana Cristea, Cornelia Luca, B. C. Simionescu

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1996

Language:

english

File:

PDF, 734 KB

english, 1996

5

Polyelectrolyte complexes. II. Specific aspects of the formation of polycation/dye/polyanion complexes

Stela Dragan, Demetra Dragan, Mariana Cristea, Anton Airinei, Luminita Ghimici

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1999

Language:

english

File:

PDF, 262 KB

english, 1999

6

Organic–inorganic polymer hybrids and porous materials obtained on their basis

Maria Cazacu, Stela Dragan, Angelica Vlad

Journal:

Journal of Applied Polymer Science

Year:

2003

Language:

english

File:

PDF, 106 KB

english, 2003

7

Preparation and characterization of novel composites based on chitosan and clinoptilolite with enhanced adsorption properties for Cu2+

Ecaterina Stela Dragan, Maria Valentina Dinu, Daniel Timpu

Journal:

Bioresource Technology

Year:

2010

Language:

english

File:

PDF, 310 KB

english, 2010

8

Study on metal complexes of chelating resins bearing iminodiacetate groups

Ecaterina Stela Dragan, Maria Valentina Dinu, Gabriela Lisa, Andrzej W. Trochimczuk

Journal:

European Polymer Journal

Year:

2009

Language:

english

File:

PDF, 749 KB

english, 2009

9

PAN composite membrane with different solvent affinities controlled by surface modification methods

Ecaterina Stela Dragan, Marcela Mihai, J. Schauer, Luminita Ghimici

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2005

Language:

english

File:

PDF, 253 KB

english, 2005

10

Ionic organic/inorganic materials. III. Stimuli responsive hybrid hydrogels based on oligo(N,N-dimethylaminoethylmethacrylate) and chloroalkyl-functionalized siloxanes

Ecaterina Stela Dragan, Maria Cazacu, Alexandra Nistor

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2009

Language:

english

File:

PDF, 615 KB

english, 2009

11

Smart Macroporous IPN Hydrogels Responsive to pH, Temperature and Ionic Strength: Synthesis, Characterization, and Evaluation of Controlled Release of Drugs

Dragan, Ecaterina Stela, Cocarta, Ana Irina

Journal:

ACS Applied Materials & Interfaces

Year:

2016

Language:

english

File:

PDF, 827 KB

english, 2016

12

Multi-stimuli-responsive semi-IPN cryogels with native and anionic potato starch entrapped in poly(N,N-dimethylaminoethyl methacrylate) matrix and their potential in drug delivery

Dragan, Ecaterina Stela, Apopei Loghin, Diana Felicia, Cocarta, Ana-Irina, Doroftei, Mirela

Journal:

Reactive and Functional Polymers

Year:

2016

Language:

english

File:

PDF, 1.52 MB

english, 2016

13

Polysaccharides constructed hydrogels as vehicles for proteins and peptides. A review

Dragan, Ecaterina Stela, Dinu, Maria Valentina

Journal:

Carbohydrate Polymers

Year:

2019

Language:

english

File:

PDF, 3.39 MB

english, 2019

14

Superadsorbents for Strontium and Cesium Removal Enriched in Amidoxime by Homo-IPN Strategy Connected with Porous Silica Texture

Dragan, Ecaterina Stela, Humelnicu, Doina, Ignat, Maria, Varganici, Cristian-Dragos

Journal:

ACS Applied Materials & Interfaces

Year:

2020

File:

PDF, 733 KB

2020

15

Interaction of the low-molecular weight salts with cationic polyelectrolytes

Luminita Ghimici, Stela Dragan, Florin Popescu

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1997

Language:

english

File:

PDF, 277 KB

english, 1997

16

Ion exchanger resins, I. Anion exchangers with tertiary amine groups on poly(acrylonitrile-co-divinylbenzene) networks

Stela Drǎgan, G. Grigoriu

Journal:

Macromolecular Materials and Engineering

Year:

1992

Language:

english

File:

PDF, 431 KB

english, 1992

17

Cationic polyelectrolytes, XII. PEG-precursor for water-soluble cationic polymers with tertiary n-atoms in the main chain

Stela Drǎgan, Luminiţa Ghimici

Journal:

Macromolecular Materials and Engineering

Year:

1994

Language:

english

File:

PDF, 451 KB

english, 1994

18

Study of some flocculating processes with cationic polyelectrolytes

Tudor Lupaşcu, Ion Dranca, Maria Sandu, Stela Drăgan, Luminiţa Ghimici

Journal:

Macromolecular Materials and Engineering

Year:

1994

Language:

english

File:

PDF, 300 KB

english, 1994

19

Flocculation of montmorillonite by some hydrophobically modified polycations containing quaternary ammonium salt groups in the backbone

Stela Dragan, Alexei Maftuleac, Ion Dranca, Luminita Ghimici, Tudor Lupascu

Journal:

Journal of Applied Polymer Science

Year:

2002

Language:

english

File:

PDF, 114 KB

english, 2002

20

Ion-exchange resins. II. Acrylamide crosslinked copolymers as precursors for some ion exchangers

Stela Dragan, Maria V. Dinu, Cristina D. Vlad

Journal:

Journal of Applied Polymer Science

Year:

2003

Language:

english

File:

PDF, 149 KB

english, 2003

21

Sorption of aromatic compounds on macroporous anion exchangers based on polyacrylamide: Relation between structure and sorption behavior

Stela Drăgan, Mariana Cristea, A. Airinei, Ig. Poinescu, Cornelia Luca

Journal:

Journal of Applied Polymer Science

Year:

1995

Language:

english

File:

PDF, 536 KB

english, 1995

22

Interaction of dis-azo dyes with quaternized poly(dimethylaminoethyl methacrylate) as a function of the dye structure and polycation charge density

Ecaterina Stela Dragan, Ionel Adrian Dinu

Journal:

Journal of Applied Polymer Science

Year:

2009

Language:

english

File:

PDF, 601 KB

english, 2009

23

Model peptide-based system used for the investigation of metal ions binding to histidine-containing polypeptides

Manuela Murariu, Ecaterina Stela Dragan, Gabi Drochioiu

Journal:

Year:

2010

Language:

english

File:

PDF, 608 KB

english, 2010

24

ChemInform Abstract: New Applications of Functionalized Solid Surfaces

Florin Bucatariu, Frank Simon, Ecaterina Stela Dragan

Journal:

Year:

2009

File:

PDF, 11 KB

2009

25

ChemInform Abstract: Molecular and Supramolecular Systems Containing Azobenzene Chromophores

Ecaterina Stela Dragan, Marcela Mihai

Journal:

Year:

2009

File:

PDF, 15 KB

2009

26

Polystyrene as an inert medium in the synthesis of the styrene/divinylbenzene/acrylonitrile copolymers

Stela Drăgan, Marieta Nichifor, Ioan Petrariu

Journal:

Macromolecular Chemistry and Physics

Year:

1979

Language:

english

File:

PDF, 408 KB

english, 1979

27

Polymers with tertiary amino groups obtained by the reaction between chloromethylated polystyrene and 3-alkylaminopropionitrile

Stela Drǎgan, Virgil Bǎrboiu, Doina Csergö, Ioan Petrariu, Mihai Dima

Journal:

Macromolecular Chemistry and Physics

Year:

1986

Language:

english

File:

PDF, 518 KB

english, 1986

28

Porous Semi-Interpenetrating Hydrogel Networks Based on Dextran and Polyacrylamide With Superfast Responsiveness

Maria Valentina Dinu, Maria Marinela Perju, Ecaterina Stela Drăgan

Journal:

Macromolecular Chemistry and Physics

Year:

2011

Language:

english

File:

PDF, 899 KB

english, 2011

29

Interactions of di- and trivalent anionic azo dyes with polycations of integral type

Stela Dragan, Mariana Cristea, Anton Airinei, Bogdan C. Simionescu

Journal:

Macromolecular Rapid Communications

Year:

1997

Language:

english

File:

PDF, 252 KB

english, 1997

30

2-ethyl-1-hexanol as diluent in the synthesis of styrene-divinylbenzene copolymers and anion exchangers I. Morphological aspects

Stela Drǎgan, Doina Csergö, I. Manolescu, A. Carpov

Journal:

Reactive Polymers, Ion Exchangers, Sorbents

Year:

1987

Language:

english

File:

PDF, 864 KB

english, 1987

31

Solution behavior of progressively quaternized poly(dimethylaminoethyl methacrylate) as a function of charge density

Ecaterina Stela Dragan, Ionel Adrian Dinu

Journal:

European Polymer Journal

Year:

2011

Language:

english

File:

PDF, 496 KB

english, 2011

32

Interaction of β-amyloid(1-40) peptide with pairs of metal ions: An electrospray ion trap mass spectrometric model study

Gabi Drochioiu, Marilena Manea, Mihaela Dragusanu, Manuela Murariu, Ecaterina Stela Dragan, Brandusa Alina Petre, Gabor Mezo, Michael Przybylski

Journal:

Biophysical Chemistry

Year:

2009

Language:

english

File:

PDF, 1.41 MB

english, 2009

33

Comparative study on the formation and flocculation properties of polyelectrolyte complex dispersions based on synthetic and natural polycations

Ionel Adrian Dinu, Marcela Mihai, Ecaterina Stela Dragan

Journal:

Chemical Engineering Journal

Year:

2010

Language:

english

File:

PDF, 841 KB

english, 2010

34

Polyelectrolyte complex dispersions with a high colloidal stability controlled by the polyion structure and titrant addition rate

Ecaterina Stela Dragan, Marcela Mihai, Simona Schwarz

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2006

Language:

english

File:

PDF, 682 KB

english, 2006

35

Chitosan based nonstoichiometric polyelectrolyte complexes as specialized flocculants

Marcela Mihai, Ecaterina Stela Dragan

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2009

Language:

english

File:

PDF, 927 KB

english, 2009

36

Conformational changes of strong polycations in the presence of divalent counterions and their influence upon the flocculation efficiency

Ecaterina Stela Dragan, Ionel Adrian Dinu, Marcela Mihai

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2009

Language:

english

File:

PDF, 842 KB

english, 2009

37

Specific effects of the counterion type and concentration on the construction and morphology of polycation/azo dye multilayers

Ecaterina Stela Dragan, Simona Schwarz, Klaus-Jochen Eichhorn

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2010

Language:

english

File:

PDF, 878 KB

english, 2010

38

Single polyelectrolyte multilayers deposited onto silica microparticles and silicon wafers

Florin Bucatariu, Gheorghe Fundueanu, Gabriela Hitruc, Ecaterina Stela Dragan

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2011

Language:

english

File:

PDF, 1.10 MB

english, 2011

39

Sorption of Pb(II), Cd(II) and Zn(II) by iminodiacetate chelating resins in non-competitive and competitive conditions

Maria Valentina Dinu, Ecaterina Stela Dragan, Andrzej W. Trochimczuk

Journal:

Year:

2009

Language:

english

File:

PDF, 546 KB

english, 2009

40

Adsorption characteristics of UO22+ and Th4+ ions from simulated radioactive solutions onto chitosan/clinoptilolite sorbents

Doina Humelnicu, Maria Valentina Dinu, Ecaterina Stela Drăgan

Journal:

Journal of Hazardous Materials

Year:

2011

Language:

english

File:

PDF, 621 KB

english, 2011

41

Freezing as a path to build macroporous structures: Superfast responsive polyacrylamide hydrogels

M. Valentina Dinu, M. Murat Ozmen, E. Stela Dragan, Oguz Okay

Journal:

Year:

2007

Language:

english

File:

PDF, 1.83 MB

english, 2007

42

Reactive polyelectrolyte multilayers onto silica particles

Frank Simon, Ecaterina Stela Dragan, Florin Bucatariu

Journal:

Reactive and Functional Polymers

Year:

2008

Language:

english

File:

PDF, 479 KB

english, 2008

43

Heavy metals adsorption on some iminodiacetate chelating resins as a function of the adsorption parameters

Maria Valentina Dinu, Ecaterina Stela Dragan

Journal:

Reactive and Functional Polymers

Year:

2008

Language:

english

File:

PDF, 261 KB

english, 2008

44

Composite IPN ionic hydrogels based on polyacrylamide and dextran sulfate

Maria Valentina Dinu, Maria Marinela Perju, Ecaterina Stela Drăgan

Journal:

Reactive and Functional Polymers

Year:

2011

Language:

english

File:

PDF, 1.05 MB

english, 2011

45

Thermal effects of some polymerisation and polycondensation reactions, polymeric ammonium quaternary salts

Gheorghe Nemtoi, Ana Onu, Nicolae Aelenei, Stela Dragan, Camelia Beldie

Journal:

European Polymer Journal

Year:

2000

Language:

english

File:

PDF, 167 KB

english, 2000

46

Hydrophobically modified cationic polyelectrolytes

Luminita Ghimici, I. Dranca, Stela Dragan, T. Lupascu, A. Maftuleac

Journal:

European Polymer Journal

Year:

2001

Language:

english

File:

PDF, 166 KB

english, 2001

47

Influence of low-molecular-weight salts on the formation of polyelectrolyte complexes based on polycations with quaternary ammonium salt groups in the main chain and poly(sodium acrylate)

Stela Dragan, Mariana Cristea

Journal:

European Polymer Journal

Year:

2001

Language:

english

File:

PDF, 122 KB

english, 2001

48

Viscometric study of poly(sodium 2-acrylamido-2-methylpropanesulfonate) and two random copolymers

Stela Dragan, Marcela Mihai, Luminita Ghimici

Journal:

European Polymer Journal

Year:

2003

Language:

english

File:

PDF, 454 KB

english, 2003

49

Crosslinked copolymers with nitrilic groups

Ig.C. Poinescu, Maria Barbu, Cristina Vlad, Stela Drăgan

Journal:

European Polymer Journal

Year:

1997

Language:

english

File:

PDF, 376 KB

english, 1997

50

Thermal behaviour of some cationic polyelectrolytes and polyelectrolyte complexes

Stela Dragan, I. Dranca, Luminita Ghimici, Mariana Cristea, Gh. Funduianu, T. Lupascu

Journal:

European Polymer Journal

Year:

1998

Language:

english

File:

PDF, 260 KB

english, 1998

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