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51

The interaction of alkyl α-(S)-Malates with N,N′-dicyclohexylcarbodiimide under mild conditions

Nadya Belcheva, Ivan M. Panayotov, Christo Tsvetanov

Journal:

European Polymer Journal

Year:

1991

Language:

english

File:

PDF, 281 KB

english, 1991

52

Crosslinked poly(ethylene oxide) as a phase transfer catalyst

T. Tsanov, R. Stamenova, C. Tsvetanov

Journal:

Year:

1993

Language:

english

File:

PDF, 404 KB

english, 1993

53

Poly(ether-ester) networks prepared by polycondensation of R,S-malic acid with diols and polyether alcohols in the presence of N,N′-dicyclohexylcarbodiimide

Nadya Belcheva, Todor Zlatkov, Ivan M. Panayotov, Christo Tsvetanov

Journal:

Year:

1993

Language:

english

File:

PDF, 483 KB

english, 1993

54

Collimating the ionizing radiation in AGN

Z.I. Tsvetanov, G.A. Kriss, H.C. Ford

Journal:

Vistas in Astronomy

Year:

1996

Language:

english

File:

PDF, 392 KB

english, 1996

55

FeCl3 immobilized on crosslinked 4-vinylpyridine-poly(ethylene oxide) copolymers as catalyst in the synthesis of 2-hydroxyethyl methacrylate

R. Stamenova, P. Ivanova, R. Boeva, C. Tsvetanov

Journal:

Reactive Polymers, Ion Exchangers, Sorbents

Year:

1988

Language:

english

File:

PDF, 640 KB

english, 1988

56

On kinematics of gas clouds in the broad-line region of active galactic nuclei and quasars

Z.I. Tsvetanov, S.A. Zhekov

Journal:

Advances in Space Research

Year:

1984

Language:

english

File:

PDF, 239 KB

english, 1984

57

Colour variation of the AGNs with redshift

M. Kalinkov, I. Kuneva, Z. Tsvetanov, L. Filipov

Journal:

Advances in Space Research

Year:

1988

Language:

english

File:

PDF, 243 KB

english, 1988

58

Biocompatible cryogels of thermosensitive polyglycidol derivatives with ultra-rapid swelling properties

Petar Petrov, Alicja Utrata-Wesołek, Barbara Trzebicka, Christo B. Tsvetanov, Andrzej Dworak, Jacek Anioł, Aleksander Sieroń

Journal:

European Polymer Journal

Year:

2011

Language:

english

File:

PDF, 710 KB

english, 2011

59

Corrosion behavior and protective ability of Zn and Zn–Co electrodeposits with embedded polymeric nanoparticles

N. Boshkov, N. Tsvetkova, P. Petrov, D. Koleva, K. Petrov, G. Avdeev, Ch. Tsvetanov, G. Raichevsky, R. Raicheff

Journal:

Applied Surface Science

Year:

2008

Language:

english

File:

PDF, 1.26 MB

english, 2008

60

Functionalized micelles from new ABC polyglycidol-poly(ethylene oxide)-poly(d,l-lactide) terpolymers

Philip Dimitrov, Aleksandra Porjazoska, Christo P. Novakov, Maja Cvetkovska, Christo B. Tsvetanov

Journal:

Year:

2005

Language:

english

File:

PDF, 222 KB

english, 2005

61

Thermosensitive nanospheres of low-density core – An approach to hollow nanoparticles

P. Weda, B. Trzebicka, A. Dworak, Ch.B. Tsvetanov

Journal:

Year:

2008

Language:

english

File:

PDF, 905 KB

english, 2008

62

Thermosensitive water-soluble copolymers with doubly responsive reversibly interacting entities

Ivaylo Dimitrov, Barbara Trzebicka, Axel H.E. Müller, Andrzej Dworak, Christo B. Tsvetanov

Journal:

Progress in Polymer Science

Year:

2007

Language:

english

File:

PDF, 2.57 MB

english, 2007

63

Hydroxyethylcellulose cryogels used for entrapment of Saccharomyces cerevisiae cells

Elena Velickova, Eleonora Winkelhausen, Slobodanka Kuzmanova, Maja Cvetkovska, Christo Tsvetanov

Journal:

Reactive and Functional Polymers

Year:

2009

Language:

english

File:

PDF, 490 KB

english, 2009

64

Synthesis and polymerization of novel oxirane bearing an aliphatic double chain moiety

S Rangelov, E Petrova, I Berlinova, Ch Tsvetanov

Journal:

Year:

2001

Language:

english

File:

PDF, 153 KB

english, 2001

65

High molecular weight functionalized poly(ethylene oxide)

Ph Dimitrov, E Hasan, St Rangelov, B Trzebicka, A Dworak, Ch.B Tsvetanov

Journal:

Year:

2002

Language:

english

File:

PDF, 193 KB

english, 2002

66

U.v. irradiation-induced crosslinking of solid poly(ethylene oxide) modified with tetraalkyl ammonium salt

M Doytcheva, R Stamenova, V Zvetkov, Ch.B Tsvetanov

Journal:

Year:

1998

Language:

english

File:

PDF, 154 KB

english, 1998

67

Epoxidation of styrene with hydrogen peroxide in the presence of polymer-supported quaternary ammonium salts and peroxo complexes of W(VI)

Krassimir Vassilev, Rayna Stamenova, Christo Tsvetanov

Journal:

Reactive and Functional Polymers

Year:

2000

Language:

english

File:

PDF, 130 KB

english, 2000

68

Extreme galactic wind and Wolf–Rayet features in infrared mergers and infrared quasi-stellar objects

S. Lípari, R. Terlevich, R. J. Díaz, Y. Taniguchi, W. Zheng, Z. Tsvetanov, G. Carranza, H. Dottori

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2003

Language:

english

File:

PDF, 344 KB

english, 2003

69

Encapsulation of urease in double-layered hydrogels of macroporous poly(2-hydroxyethyl methacrylate) core and poly(ethylene oxide) outer layer: fabrication and biosensing properties

Petar Petrov, Denitza Jeleva, Christo B Tsvetanov

Journal:

Polymer International

Year:

2012

Language:

english

File:

PDF, 164 KB

english, 2012

70

Solvating properties of certain polymeric ethers

I. M. Panayotov, D. K. Dimov, Ch. B. Tsvetanov, V. V. Stepanov, S. S. Skorokhodov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1980

Language:

english

File:

PDF, 541 KB

english, 1980

71

Complex formation between poly(ethylene oxide) and alkali picrates

D. K. Dimov, I. M. Panayotov, V. N. Lazarov, Ch. B. Tsvetanov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1982

Language:

english

File:

PDF, 680 KB

english, 1982

72

Ion equilibria in THF solutions of models of “living” methacrylonitrile oligomers with Li+ counterion

CH. B. Tsvetanov, D. T. Dotcheva

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1986

Language:

english

File:

PDF, 354 KB

english, 1986

73

Complex forming properties of crosslinked poly (ethylene oxide). I. Interaction of linear and crosslinked poly(ethylene oxide) with molybdenum(vi) salts

K. G. Vassilev, D. K. Dimov, R. T. Stamenova, R. S. Boeva, Ch. B. Tsvetanov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1986

Language:

english

File:

PDF, 636 KB

english, 1986

74

Electroconductivity study of active centers of polar vinyl monomers in the anionic polymerization

D. Dotcheva, Ch. Tsvetanov, L. Lochmann

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1987

Language:

english

File:

PDF, 451 KB

english, 1987

75

Crosslinked poly(ethylene oxide) modified with tetraalkylammonium salts as phase transfer catalyst

T. Tsanov, K. Vassilev, R. Stamenova, C. Tsvetanov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1995

Language:

english

File:

PDF, 443 KB

english, 1995

76

Mesoglobules of random copolyethers as templates for nanoparticles

Barbara Trzebicka, Paweł Weda, Alicja Utrata-Wesołek, Andrzej Dworak, Christo Tsvetanov

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2010

Language:

english

File:

PDF, 766 KB

english, 2010

77

Structural studies of radiation-crosslinked poly(ethylene oxide)

L. Minkova, R. Stamenova, C. Tsvetanov, E. Nedkov

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1989

Language:

english

File:

PDF, 1.98 MB

english, 1989

78

Untersuchung der Ionengleichgewichte in Tetrahydrofuranlösungen des 2-Naphthonitril-Natriums

Ivan M. Panayotov, Christo B. Tsvetanov, Vassilka Schischkova

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1975

File:

PDF, 274 KB

1975

79

Lösungen von Alkalimetallen in Äthern in Anwesenheit von hexamethylphosphorsäuretriamid

I. M. Panayotov, Ch. B. Tsvetanov, R. St. Velitschkova

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1972

File:

PDF, 555 KB

1972

80

Über dieIR-Spektren der dinegativen Ionen einiger polycyclischer Mononitrile und Elektronenübergänge zwischen dinegativen Ionen und neutralen Molekülen

I. Juchnovski, Ch. Tsvetanov, I. Panayotov

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1970

File:

PDF, 560 KB

1970

81

IR-Spektren der Anion-Radikale von aromatischen Mononitrilen und Elektronenübergänge zwischen Anion-Radikalen und neutralen Molekülen

I. Juchnovski, Ch. Tsvetanov, I. Panayotov

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1969

File:

PDF, 695 KB

1969

82

Elektronen-Absorptionsspektren der Anion-Radikale und Dianionen von aromatischen Nitrilen

I. M. Panayotov, Ch. B. Tsvetanov

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1970

File:

PDF, 632 KB

1970

83

Über die Natur der „roten” K-Lösungen in Benzol in Gegenwart von Polyäthylenoxid

I. M. Panayotov, D. T. Petrova, C. B. Tsvetanov

Journal:

Colloid & Polymer Science

Year:

1977

File:

PDF, 162 KB

1977

84

Wechselwirkung zwischen Polyäthylenoxid und Fluorenyl-Alkalimetall-Verbindungen in Tetrahydrofuran

I. M. Panayotov, C. B. Tsvetanov, D. K. Dimov

Journal:

Colloid & Polymer Science

Year:

1978

Language:

german

File:

PDF, 318 KB

german, 1978

85

Association properties of a high molecular weight poly(propylene oxide–b–ethylene oxide) diblock copolymer in aqueous solution

S. Rangelov, P. Petrov, I. Berlinova, Ch. Tsvetanov

Journal:

Polymer Bulletin

Year:

2004

Language:

english

File:

PDF, 369 KB

english, 2004

86

Formation of mesoglobules in aqueous media from thermo-sensitive poly(ethoxytriethyleneglycol acrylate)

Natalia Toncheva-Moncheva, Philip Dimitrov, Christo B. Tsvetanov, Barbara Robak, Barbara Trzebicka, Andrzej Dworak, Stanislav Rangelov

Journal:

Polymer Bulletin

Year:

2011

Language:

english

File:

PDF, 1.87 MB

english, 2011

87

Thermosensitive networks based on high molecular weight polyoxyethylene and N-isopropylacrylamide

Dobrinka Dotcheva, Christo B. Tsvetanov

Journal:

Polymer Bulletin

Year:

1999

Language:

english

File:

PDF, 89 KB

english, 1999

88

Synthesis and aqueous solution properties of aliphatic double chain end-capped poly(ethylene glycol)

S. Rangelov, Ch. Tsvetanov

Journal:

Polymer Bulletin

Year:

2001

Language:

english

File:

PDF, 80 KB

english, 2001

89

Stabilized amphiphilic poly(styrene-co-diene)-b-poly(ethylene oxide) aggregates

C. P. Novakov, E. Haladjova, N. Dishovsky, A. Hirao, W. Meier, C. B. Tsvetanov

Journal:

Colloid & Polymer Science

Year:

2010

Language:

english

File:

PDF, 830 KB

english, 2010

90

Electrocatalytic behavior of Ni-based amorphous alloys for hydrogen evolution

L. Mihailov, T. Spassov, I. Kanazirski, I. Tsvetanov

Journal:

Journal of Materials Science

Year:

2011

Language:

english

File:

PDF, 533 KB

english, 2011

91

Vinyl polymerization, initiated by metal complexes of aromatic nitriles

I.M. Panayotov, Ch.B. Tsvetanov, I.N. Yukhnovski

Journal:

European Polymer Journal

Year:

1970

Language:

english

File:

PDF, 390 KB

english, 1970

92

Polymerization of some alkylene oxides and styrene oxide by metal complexes of aromatic nitriles and ketones mechanism of initiation

I.M. Panayotov, I.V. Berlinova, CH.B. Tsvetanov

Journal:

European Polymer Journal

Year:

1971

Language:

english

File:

PDF, 432 KB

english, 1971

93

Investigation by means of I.R. spectroscopy of styrene oligomers containing acrylonitrile active ends

Ch. Tsvetanov, I. Panayotov, B. Erussalimsky

Journal:

European Polymer Journal

Year:

1974

Language:

english

File:

PDF, 428 KB

english, 1974

94

Influence of the polyether chain on the dissociation of “living” polymers obtained in the anionic polymerization of ethylene oxide

I.V. Berlinova, I.M. Panayotov, Ch.B. Tsvetanov

Journal:

European Polymer Journal

Year:

1977

Language:

english

File:

PDF, 319 KB

english, 1977

95

On the nature of the active centres in the anionic polymerization of methacrylonitrile—II. Initiation with organomagnesium compounds

Ch.B. Tsvetanov

Journal:

European Polymer Journal

Year:

1979

Language:

english

File:

PDF, 357 KB

english, 1979

96

Investigation of oligomethylmethacrylate-lithium and its donor-acceptor complexes with organometal compounds by means of infrared spectroscopy

Ch.B. Tsvetanov, D.T. Petrova, Pham H. Li, I.M. Panayotov

Journal:

European Polymer Journal

Year:

1978

Language:

english

File:

PDF, 334 KB

english, 1978

97

Structure of terminal and penultimate units of a living chain of polyacrylonitrile with lithium counterion. Quantum chemical investigation

Ch.B. Tsvetanov, Yu.Ye. Eizner, B.L. Erussalimsky

Journal:

European Polymer Journal

Year:

1980

Language:

english

File:

PDF, 468 KB

english, 1980

98

Circumnuclear emission line regions in Cygnus A

I. Pérez-Fournon, F. Cabrera-Guerra, J. Burgos-Martín, J.A. Acosta-Pulido, A.S. Wilson, Z. Tsvetanov

Journal:

Vistas in Astronomy

Year:

1996

Language:

english

File:

PDF, 350 KB

english, 1996

99

Cryogels of cellulose derivatives prepared via UV irradiation of moderately frozen systems

Petar Petrov, Elissaveta Petrova, Rayna Stamenova, Christo B. Tsvetanov, Gerard Riess

Journal:

Year:

2006

Language:

english

File:

PDF, 136 KB

english, 2006

100

Synthesis of biodegradable hydroxyethylcellulose cryogels by UV irradiation

Petar Petrov, Elissaveta Petrova, Bozidar Tchorbanov, Christo B. Tsvetanov

Journal:

Year:

2007

Language:

english

File:

PDF, 942 KB

english, 2007