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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

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

ChemInform Abstract: New Applications of Functionalized Solid Surfaces

Florin Bucatariu, Frank Simon, Ecaterina Stela Dragan

Journal:

Year:

2009

File:

PDF, 11 KB

2009

15

ChemInform Abstract: Molecular and Supramolecular Systems Containing Azobenzene Chromophores

Ecaterina Stela Dragan, Marcela Mihai

Journal:

Year:

2009

File:

PDF, 15 KB

2009

16

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

17

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

18

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

19

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

20

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

21

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

22

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

23

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

24

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

25

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

26

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

27

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

28

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

29

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

30

Polyelectrolyte complexes. VI. Polycation structure, polyanion molar mass, and polyion concentration effects on complex nanoparticles based on poly(sodium 2-acrylamido-2-methylpropanesulfonate)

Ecaterina Stela Dragan, Simona Schwarz

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2004

Language:

english

File:

PDF, 363 KB

english, 2004

31

Ion-exchange resins. III. Functionalization–morphology correlations in the synthesis of some macroporous, strong basic anion exchangers and uranium-sorption properties evaluation

Ecaterina Stela Dragan, Ecaterina Avram, Damian Axente, Cristina Marcu

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2004

Language:

english

File:

PDF, 128 KB

english, 2004

32

Ionic organic/inorganic materials. II. New linear and crosslinked poly(ethylene oxide)-based ionomers by quaternization with chloroalkyl-functionalized siloxanes

Maria Cazacu, Luminita Ghimici, Ecaterina Stela Dragan

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2004

Language:

english

File:

PDF, 110 KB

english, 2004

33

Polyelectrolyte complexes. VII. Complex nanoparticles based on poly(sodium 2-acrylamido-2-methylpropanesulfonate) tailored by the titrant addition rate

Ecaterina Stela Dragan, Simona Schwarz

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2004

Language:

english

File:

PDF, 196 KB

english, 2004

34

Thermochemically induced binding of methyl orange to polycations containing primary amine groups

Ecaterina Stela Dragan, Marcela Mihai, Anton Airinei

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2006

Language:

english

File:

PDF, 651 KB

english, 2006

35

Silver-induced conformational changes of polypeptides: a CD study

Manuela Murariu, Ecaterina Stela Dragan, Adriana Adochitei, Gheorghita Zbancioc, Gabi Drochioiu

Journal:

Journal of Peptide Science

Year:

2011

Language:

english

File:

PDF, 231 KB

english, 2011

36

Design of silica microparticles with oligopeptide brushes and their interaction with proteins

Florin Bucatariu, Frank Simon, Gheorghe Fundueanu, Ecaterina Stela Dragan

Journal:

Colloid & Polymer Science

Year:

2011

Language:

english

File:

PDF, 322 KB

english, 2011

37

Hybrid organic/inorganic composites based on silica and weak synthetic polyelectrolytes

Marcela Mihai, Ecaterina Stela Drăgan

Journal:

Journal of Materials Science

Year:

2011

Language:

english

File:

PDF, 510 KB

english, 2011

38

IR, MS and CD Investigations on Several Conformationally-Different Histidine Peptides

Manuela Murariu, Ecaterina Stela Dragan, Gabi Drochioiu

Journal:

International Journal of Peptide Research and Therapeutics

Year:

2009

Language:

english

File:

PDF, 406 KB

english, 2009

39

Composite multilayer thin films morphology and their interactions with proteins as a function of polyanion structure

Ecaterina Stela Dragan, Marcela Mihai, Gabriela Hitruc, Dilyana Paneva, Nevena Manolova, Iliya Rashkov

Journal:

Macromolecular Research

Year:

2011

Language:

english

File:

PDF, 5.27 MB

english, 2011

40

Evaluation of Cu2+, Co2+ and Ni2+ ions removal from aqueous solution using a novel chitosan/clinoptilolite composite: Kinetics and isotherms

Maria Valentina Dinu, Ecaterina Stela Dragan

Journal:

Chemical Engineering Journal

Year:

2010

Language:

english

File:

PDF, 492 KB

english, 2010

41

Preparation and characterization of IPN composite hydrogels based on polyacrylamide and chitosan and their interaction with ionic dyes

Ecaterina Stela Dragan, Maria Marinela Perju, Maria Valentina Dinu

Journal:

Carbohydrate Polymers

Year:

2012

Language:

english

File:

PDF, 1.25 MB

english, 2012

42

Stability under flow conditions of trypsin immobilized onto poly(vinyl amine) functionalized silica microparticles

Florin Bucatariu, Frank Simon, Cornelia Bellmann, Gheorghe Fundueanu, Ecaterina Stela Dragan

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2012

Language:

english

File:

PDF, 554 KB

english, 2012

43

Macroporous composite IPN hydrogels based on poly(acrylamide) and chitosan with tuned swelling and sorption of cationic dyes

Ecaterina Stela Dragan, Maria Marinela Lazar, Maria Valentina Dinu, Florica Doroftei

Journal:

Chemical Engineering Journal

Year:

2012

Language:

english

File:

PDF, 1.49 MB

english, 2012

44

Synthesis, characterization, and Ni(II) ion sorption properties of poly(styrene-co-divinylbenzene) functionalized with aminophosphonic acid groups

Davidescu, Corneliu-Mircea, Ciopec, Mihaela, Negrea, Adina, Popa, Adriana, Lupa, Lavinia, Dragan, Ecaterina-Stela, Ardelean, Radu, Ilia, Gheorghe, Iliescu, Smaranda

Journal:

Polymer Bulletin

Year:

2013

Language:

english

File:

PDF, 560 KB

english, 2013

45

Ice-templated hydrogels based on chitosan with tailored porous morphology

Dinu, Maria Valentina, Přádný, Martin, Drăgan, Ecaterina Stela, Michálek, Jiří

Journal:

Carbohydrate Polymers

Year:

2013

Language:

english

File:

PDF, 2.27 MB

english, 2013

46

Rheological Behavior of Some Cationic Polyelectrolytes

Ghimici, Luminita, Bercea, Maria, Dragan, Ecaterina Stela

Journal:

Journal of Macromolecular Science Part B

Year:

2009

Language:

english

File:

PDF, 767 KB

english, 2009

47

Poly(ethyleneimine) cross-linked multilayers deposited onto solid surfaces and enzyme immobilization as a function of the film properties

Bucatariu, Florin, Ghiorghita, Claudiu-Augustin, Simon, Frank, Bellmann, Cornelia, Dragan, Ecaterina Stela

Journal:

Applied Surface Science

Year:

2013

Language:

english

File:

PDF, 1.64 MB

english, 2013

48

Sorption Isotherms of Heavy Metal Ions onto Semi-Interpenetrating Polymer Network Cryogels Based on Polyacrylamide and Anionically Modified Potato Starch

Apopei, Diana Felicia, Dinu, Maria Valentina, Trochimczuk, Andrzej W., Dragan, Ecaterina Stela

Journal:

Industrial & Engineering Chemistry Research

Year:

2012

Language:

english

File:

PDF, 463 KB

english, 2012

49

Complex Nanoparticles Based on Chitosan and Ionic/Nonionic Strong Polyanions: Formation, Stability, and Application

Dragan, Ecaterina Stela, Mihai, Marcela, Schwarz, Simona

Journal:

ACS Applied Materials & Interfaces

Year:

2009

Language:

english

File:

PDF, 4.36 MB

english, 2009

50

Preparation and Swelling Behavior of Chitosan/Poly(N-2-Aminoethyl Acrylamide) Composite Hydrogels

Dragan, Ecaterina Stela, Perju, Maria Marinela

Journal:

Year:

2010

Language:

english

File:

PDF, 342 KB

english, 2010