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1

Nonlinear multivariate calibration using principal components regression and artificial neural networks

Gemperline, Paul J., Long, James R., Gregoriou, Vasilis G.

Journal:

Analytical Chemistry

Year:

1991

Language:

english

File:

PDF, 1.92 MB

english, 1991

2

Unraveling the Complex Nanomorphology of Ternary Organic Solar Cells with Multimodal Analytical Transmission Electron Microscopy

Rechberger, Stefanie, Gasparini, Nicola, Singh, Ranbir, Kim, Min, Chochos, Christos L., Gregoriou, Vasilis G., Cho, Kilwon, Brabec, Christoph J., Ameri, Tayebeh, Spiecker, Erdmann

Journal:

Year:

2020

File:

PDF, 468 KB

2020

3

Time-resolved vibrational spectroscopy of an electric field-induced transition in a nematic liquid crystal by use of step-scan 2D FT-IR

Vasilis G. Gregoriou, James L. Chao, Hirokazu Toriumi, Richard A. Palmer

Journal:

Chemical Physics Letters

Year:

1991

Language:

english

File:

PDF, 474 KB

english, 1991

4

New rod–coil block copolymers consisting of terfluorene segments and electron transporting units as the flexible blocks

Christos L. Chochos, Nikos P. Tzanetos, Solon P. Economopoulos, Vasilis G. Gregoriou, Joannis K. Kallitsis

Journal:

European Polymer Journal

Year:

2007

Language:

english

File:

PDF, 942 KB

english, 2007

5

New green fluorescent polymer sensors for metal cations and protons

Ivo Grabchev, Seher Sali, Rosica Betcheva, Vasilis Gregoriou

Journal:

European Polymer Journal

Year:

2007

Language:

english

File:

PDF, 217 KB

english, 2007

6

Synthesis, optical and morphological characterization of soluble main chain 1,3,4-oxadiazole copolyarylethers—potential candidates for solar cells applications as electron acceptors

Christos L. Chochos, Giannis K. Govaris, Fotini Kakali, Panagiotis Yiannoulis, Joannis K. Kallitsis, Vasilis G. Gregoriou

Journal:

Year:

2005

Language:

english

File:

PDF, 483 KB

english, 2005

7

Chain conformational transformations in syndiotactic polypropylene/layered silicate nanocomposites during mechanical elongation and thermal treatment

Vasilis G. Gregoriou, Georgia Kandilioti, Stavros T. Bollas

Journal:

Year:

2005

Language:

english

File:

PDF, 394 KB

english, 2005

8

Spectral investigation of coordination of cuprum cations and protons at PAMAM dendrimer peripherally modified with 1,8-naphthalimide units

Ivo Grabchev, Desislava Staneva, Vladimir Bojinov, Rosica Betcheva, Vasilis Gregoriou

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2008

Language:

english

File:

PDF, 691 KB

english, 2008

9

Preface

Vasilis Gregoriou, Bernhard Lendl

Journal:

Vibrational Spectroscopy

Year:

2008

Language:

english

File:

PDF, 63 KB

english, 2008

10

Dynamic rheo-optical characterization of a low-density polyethylene/perdeuterated high-density polyethylene blend by two-dimensional step-scan FTIR spectroscopy

Vasilis G. Gregoriou, Isao Noda, Anthony E. Dowrey, Curtis Marcott, James L. Chao, Richard A. Palmer

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1993

Language:

english

File:

PDF, 723 KB

english, 1993

11

High-density polyethylene layered silicate nanocomposites: Effect of mechanical stretching on the crystal-to-crystal transformations, morphology, and extent of exfoliation

Spiros Tzavalas, Katherine Macchiarola, Vasilis G. Gregoriou

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

2006

Language:

english

File:

PDF, 596 KB

english, 2006

12

Polyethylene terephthalate–multiwall nanotubes nanocomposites: Effect of nanotubes on the conformations, crystallinity and crystallization behavior of PET

Spiros Tzavalas, Dionysis E. Mouzakis, Vasilis Drakonakis, Vasilis G. Gregoriou

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

2008

Language:

english

File:

PDF, 404 KB

english, 2008

13

Mechanically and thermally induced chain conformational transformations between helical form I and trans-planar form III in syndiotactic polypropylene using FT-IR and Raman spectroscopic techniques

Konstantinos G Gatos, Georgia Kandilioti, Costas Galiotis, Vasilis G Gregoriou

Journal:

Year:

2004

Language:

english

File:

PDF, 662 KB

english, 2004

14

Uniaxially stretched PET/PET-MWNT nanocomposites: Effect of the MWNTs on the chain conformations of PET

Spiros Tzavalas, Vasilis G. Gregoriou

Journal:

Vibrational Spectroscopy

Year:

2008

Language:

english

File:

PDF, 610 KB

english, 2008

15

Infrared spectroscopy as a tool to monitor the extent of intercalation and exfoliation in polymer clay nanocomposites

Spiros Tzavalas, Vasilis G. Gregoriou

Journal:

Vibrational Spectroscopy

Year:

2009

Language:

english

File:

PDF, 388 KB

english, 2009

16

Investigation of Time-Dependent Phenomena by Use of Step-Scan FT-IR

Palmer, Richard A., Chao, James L., Dittmar, Rebecca M., Gregoriou, Vasilis G., Plunkett, Susan E.

Journal:

Applied Spectroscopy

Year:

1993

Language:

english

File:

PDF, 1.70 MB

english, 1993

17

Modification of a Research-Grade FT-IR Spectrometer for Optional Step-Scan Operation

Chao, James L., Palmer, Richard A., Gregoriou, Vasilis G., Daun, Michael, Schauer, Mark W.

Journal:

Applied Spectroscopy

Year:

1993

Language:

english

File:

PDF, 646 KB

english, 1993

18

Infrared Studies of Novel Optically Responsive Materials: Orientation Characteristics of Sulfonated Polystyrene/ Poly(diallyldimethylammonium chloride) Ionic Polymer Multilayers on Patterned Self-Assembled Monolayers

Gregoriou, Vasilis G., Hapanowicz, Rick, Clark, Sarah L., Hammond, Paula T.

Journal:

Applied Spectroscopy

Year:

1997

Language:

english

File:

PDF, 274 KB

english, 1997

19

Presidential Reflections

Gregoriou, Vasilis

Journal:

Applied Spectroscopy

Year:

2001

Language:

english

File:

PDF, 65 KB

english, 2001

20

Molecular Composition and Orientation of Interstitial versus Surface Silicon Oxides for Si(111)/SiO2 and Si(100)/SiO2 Interfaces using FT-IR and X-ray Photoelectron Spectroscopies

Kandilioti, Georgia, Siokou, Angeliki, Papaefthimiou, Vasiliki, Kennou, Stella, Gregoriou, Vasilis G.

Journal:

Applied Spectroscopy

Year:

2003

Language:

english

File:

PDF, 328 KB

english, 2003

21

Vibrational Spectroscopic Study on the Origin of Stress Oscillation During Step-Wise Stretching in Poly(ethylene terephthalate)

Kandilioti, Georgia, Govaris, Giannis K., Gregoriou, Vasilis G.

Journal:

Applied Spectroscopy

Year:

2004

Language:

english

File:

PDF, 300 KB

english, 2004

22

Angular Dependence in Infrared Linear Dichroism: A Reevaluation of the Theory

Gregoriou, Vasilis G., Tzavalas, Spiros, Bollas, Stavros T.

Journal:

Applied Spectroscopy

Year:

2004

Language:

english

File:

PDF, 555 KB

english, 2004

23

Stress-Induced Crystal-to-Crystal Transformations in High-Density Polyethylene-Layered Silicate Nanocomposites: A Spectroscopic Study

Tzavalas, Spiros, Gregoriou, Vasilis G.

Journal:

Applied Spectroscopy

Year:

2005

Language:

english

File:

PDF, 149 KB

english, 2005

24

Photooxidative Degradation and Conformational Changes in Syndiotactic Polypropylene/Clay Nanocomposites

Kandilioti, Georgia, Elenis, Athanasios, Macchiarola, Katherine A., Gregoriou, Vasilis G.

Journal:

Applied Spectroscopy

Year:

2006

Language:

english

File:

PDF, 389 KB

english, 2006

25

Rational design on n-type organic materials for high performance organic photovoltaics

Chochos, Christos L., Tagmatarchis, Nikos, Gregoriou, Vasilis G.

Journal:

Year:

2013

Language:

english

File:

PDF, 1.58 MB

english, 2013

26

Applications of photoacoustic step-scan FT-IR spectroscopy to polymeric materials

Gregoriou, Vasilis G., Hapanowicz, Rick

Journal:

Macromolecular Symposia

Year:

1997

Language:

english

File:

PDF, 456 KB

english, 1997

27

Spectroscopic calibration and quantitation using artificial neural networks

Long, James R., Gregoriou, Vasilis G., Gemperline, Paul J.

Journal:

Analytical Chemistry

Year:

1990

Language:

english

File:

PDF, 909 KB

english, 1990

28

Applied Polymer Science: 21st Century || Fourier transform infrared spectroscopy of polymers

Gregoriou, Vasilis G.

Year:

2000

Language:

english

File:

PDF, 2.32 MB

english, 2000

29

Effect of Carboxy-Functionalized Multiwall Nanotubes (MWNT−COOH) on the Crystallization and Chain Conformations of Poly(ethylene terephthalate) PET in PET−MWNT Nanocomposites

Tzavalas, Spiros, Drakonakis, Vasilis, Mouzakis, Dionysis E., Fischer, Dieter, Gregoriou, Vasilis G.

Journal:

Year:

2006

Language:

english

File:

PDF, 284 KB

english, 2006

30

Novel Brush-Type Copolymers Bearing Thiophene Backbone and Side Chain Quinoline Blocks. Synthesis and Their Use as a Compatibilizer in Thiophene−Quinoline Polymer Blends

Economopoulos, Solon P., Chochos, Christos L., Gregoriou, Vasilis G., Kallitsis, Joannis K., Barrau, Sophie, Hadziioannou, Georges

Journal:

Year:

2007

Language:

english

File:

PDF, 991 KB

english, 2007

31

FT-IR Difference Spectroscopy of Hemoglobins A and Kempsey: Evidence That a Key Quaternary Interaction Induces Protonation of Asp .beta.99

Gregoriou, Vasilis G., Jayaraman, Vasanthi, Hu, Xuehua, Spiro, Thomas G.

Journal:

Year:

1995

Language:

english

File:

PDF, 707 KB

english, 1995

32

A Study of the Viscoelastic Behavior of Novel Side Chain Liquid Crystalline Polyurethanes Using Dynamic Infrared Spectroscopy

Nair, Bindu R., Gregoriou, Vasilis G., Hammond, Paula T.

Journal:

Journal of Physical Chemistry B

Year:

2000

Language:

english

File:

PDF, 106 KB

english, 2000

33

Two-Dimensional Correlation Infared Analysis (2D-IR) Based on Dynamic Infrared Spectroscopy Used as a Probe of the Viscoelastic Behavior of Side Chain Liquid Crystalline Polyurethanes

Gregoriou, Vasilis G., Rodman, Sheila E., Nair, Bindu R., Hammond, Paula T.

Journal:

Journal of Physical Chemistry B

Year:

2002

Language:

english

File:

PDF, 132 KB

english, 2002

34

Immobilization of Oligoquinoline Chains on Single-Wall Carbon Nanotubes and Their Optical Behavior

Chochos, Christos L., Stefopoulos, Andreas A., Campidelli, Stéphane, Prato, Maurizio, Gregoriou, Vasilis G., Kallitsis, Joannis K.

Journal:

Year:

2008

Language:

english

File:

PDF, 354 KB

english, 2008

35

Thermally Stable Blue Emitting Terfluorene Block Copolymers

Chochos, Christos L., Kallitsis, Joannis K., Keivanidis, Panagiotis E., Baluschev, Stanislav, Gregoriou, Vasilis G.

Journal:

Journal of Physical Chemistry B

Year:

2006

Language:

english

File:

PDF, 2.09 MB

english, 2006

36

Rod−Coil Block Copolymers Incorporating Terfluorene Segments for Stable Blue Light Emission

Chochos, Christos L., Kallitsis, Joannis K., Gregoriou, Vasilis G.

Journal:

Journal of Physical Chemistry B

Year:

2005

Language:

english

File:

PDF, 202 KB

english, 2005

37

Ultraviolet Radiation Induced Cold Chemi‐Crystallization in Syndiotactic Polypropylene Clay‐Nanocomposites

Mouzakis, Dionysios E., Kandilioti, Georgia, Elenis, Athanasios, Gregoriou, Vasilis G.

Journal:

Journal of Macromolecular Science Part A

Year:

2006

Language:

english

File:

PDF, 227 KB

english, 2006

38

Quantitative Depth Profile Analysis of Micrometer-Thick Multilayered Thin Coatings Using Step-Scan FT-IR Photoacoustic Spectroscopy

Gregoriou, Vasilis G., Rodman, Sheila E.

Journal:

Analytical Chemistry

Year:

2002

Language:

english

File:

PDF, 268 KB

english, 2002

39

The role of the ethynylene bond on the optical and electronic properties of diketopyrrolopyrrole copolymers

Pattanasattayavong, Pichaya, Sygletou, Maria, Kymakis, Emmanuel, Stratakis, Emmanuel, Yan, Feng, Gregoriou, Vasilis G., Anthopoulos, Thomas D., Chochos, Christos L.

Journal:

Year:

2014

Language:

english

File:

PDF, 1.49 MB

english, 2014

40

Synthesis and Optical Properties on a Series of Polyethers Incorporating Terfluorene Segments and Methylene Spacers

Chochos, Christos L., Papakonstandopoulou, Dionysia, Economopoulos, Solon P., Gregoriou, Vasilis G., Kallitsis, Joannis K.

Journal:

Journal of Macromolecular Science Part A

Year:

2006

Language:

english

File:

PDF, 232 KB

english, 2006

41

Synthesis and Characterization of Random Copolymers Combining Terfluorene Segments and Hole or Electron Transporting Moieties

Chochos, Christos L., Tzanetos, Nikos P., Economopoulos, Solon P., Gregoriou, Vasilis G., Kallitsis, Joannis K.

Journal:

Journal of Macromolecular Science Part A

Year:

2007

Language:

english

File:

PDF, 441 KB

english, 2007

42

Influence of the Electron Deficient Co-Monomer on the Optoelectronic Properties and Photovoltaic Performance of Dithienogermole-based Co-Polymers

Yau, Chin Pang, Fei, Zhuping, Ashraf, Raja Shahid, Shahid, Munazza, Watkins, Scott E., Pattanasattayavong, Pichaya, Anthopoulos, Thomas D., Gregoriou, Vasilis G., Chochos, Christos L., Heeney, Martin

Journal:

Advanced Functional Materials

Year:

2014

Language:

english

File:

PDF, 1.44 MB

english, 2014

43

Acanthosis nigricans associated with primary hypogonadism: Successful treatment with topical calcipotriol

Gregoriou, Stamatis, Anyfandakis, Vasilis, Kontoleon, Panagiotis, Christofidou, Eleftheria, Rigopoulos, Dimitris, Kontochristopoulos, George

Journal:

Journal of Dermatological Treatment

Year:

2008

Language:

english

File:

PDF, 240 KB

english, 2008

44

AIDS in Pregnancy, Part II: Treatment in the Era of Highly Active Antiretroviral Therapy and Management of Obstetric, Anesthetic, and Pediatric Issues

Rigopoulos, Dimitris, Gregoriou, Stamatis, Paparizos, Vasilis, Katsambas, Andreas

Journal:

SKINmed: Dermatology for the Clinician

Year:

2007

Language:

english

File:

PDF, 623 KB

english, 2007

45

AIDS in Pregnancy, Part I: Epidemiology, Testing, Effect on Disease Progression, Opportunistic Infections, and Risk of Vertical Transmission

Rigopoulos, Dimitris, Gregoriou, Stamatis, Paparizos, Vasilis, Katsambas, Andreas

Journal:

SKINmed: Dermatology for the Clinician

Year:

2007

Language:

english

File:

PDF, 563 KB

english, 2007

46

The impact of thienothiophene isomeric structures on the optoelectronic properties and photovoltaic performance in quinoxaline based donor–acceptor copolymers

Singh, Ranbir, Pagona, Georgia, Gregoriou, Vasilis G., Tagmatarchis, Nikos, Toliopoulos, Dimosthenis, Han, Yang, Fei, Zhuping, Katsouras, Athanasios, Avgeropoulos, Apostolos, Anthopoulos, Thomas D., H

Journal:

Polymer Chemistry

Year:

2015

Language:

english

File:

PDF, 1.56 MB

english, 2015

47

On the Origin of Color Degradation in Polyfluorenes – Block Copolymer Approach for Stable Blue Light Emission

Chochos, Christos L., Kallitsis, Joannis K., Gregoriou, Vasilis G.

Journal:

MRS Proceedings

Year:

2004

Language:

english

File:

PDF, 1.16 MB

english, 2004

48

Bulk Heterojunction Photovoltaic Cells from Polymer Mixtures with Soluble Oxadiazole and Quinoline Polymers as Electron Acceptors

Economopoulos, Solon, Chochos, Christos L., Govaris, Giannis K., Yiannoulis, Panagiotis, Kallitsis, Joannis K., Gregoriou, Vasilis G.

Journal:

MRS Proceedings

Year:

2004

Language:

english

File:

PDF, 331 KB

english, 2004

49

Ultra low band gap α,β-unsubstituted BODIPY-based copolymer synthesized by palladium catalyzed cross-coupling polymerization for near infrared organic photovoltaics

Squeo, Benedetta M., Gasparini, Nicola, Ameri, Tayebeh, Palma-Cando, Alex, Allard, Sybille, Gregoriou, Vasilis G., Brabec, Christoph J., Scherf, Ullrich, Chochos, Christos L.

Journal:

Journal of Materials Chemistry A

Year:

2015

Language:

english

File:

PDF, 1.26 MB

english, 2015

50

SPIE Proceedings [SPIE Luebeck - DL tentative - Lubeck-Travemunde, Germany (Sunday 1 September 1991)] 8th Intl Conf on Fourier Transform Spectroscopy - Time-resolved vibrational spectroscopy of liquid crystals and polymer films using step-scan 2-D FTIR

Gregoriou, Vasilis G., Chao, James L., Toriumi, Hirokazu, Marcott, Curtis A., Noda, Isao, Palmer, Richard A., Heise, Herbert M., Korte, Ernst H., Siesler, Heinz W.

Year:

1992

Language:

english

File:

PDF, 172 KB

english, 1992