Man

GERMAN RICARDO GUNTHER SAPUNAR

PROFESOR Titular

UNIVERSIDAD DE CHILE

Santiago, Chile

Líneas de Investigación


CINETICA Y FOTOQUIMICA; FISICOQUIMICA ORGANICA; SISTEMAS COMPARTIMENTALIZADOS; Kinetics and Photochemistry; Reactivity of Singlet Molecular Oxygen; Evaluation of Physical-chemical Properties of Organized Systems

Educación

  •  Quimica, UNIVERSIDAD DE CHILE. Chile, 2000
  •  Quimico, UNIVERSIDAD DE CHILE. Chile, 1992

Experiencia Académica

  •   Profesor Titular Full Time

    UNIVERSIDAD DE CHILE

    Ciencias Quimicas y Farmaceuticas

    Santiago, Chile

    1995 - A la fecha

Experiencia Profesional

  •   Academico Full Time

    Universidad de Chile

    Santiago, Chile

    1995 - A la fecha


 

Article (73)

LAURDAN since Weber: The Quest for Visualizing Membrane Heterogeneity
An amine linker group modulates luminescent properties in a Rhenium(I) tricarbonyl complex. How can it be applied for ratiometric oxygen sensing?
CAPRYDAA, an anthracene dye analog to LAURDAN: a comparative study using cuvette and microscopy
Carminic Acid Linked to Silica Nanoparticles as Pigment/Antioxidant Bifunctional Excipient for Pharmaceutical Emulsions
Fatty Acid Conjugates of Toluidine Blue O as Amphiphilic Photosensitizers: Synthesis, Solubility, Photophysics and Photochemical Properties(dagger)
Nanoantioxidant-Based Silica Particles as Flavonoid Carrier for Drug Delivery Applications
Unusual Oxidative Dealkylation Strategy toward Functionalized Phenalenones as Singlet Oxygen Photosensitizers and Photophysical Studies
Alkyl-mannoside derivatives: Glycolipids able to form big size aggregates
Antioxidant Nanomaterial Based on Core-Shell Silica Nanospheres with Surface-Bound Caffeic Acid: A Promising Vehicle for Oxidation-Sensitive Drugs
Curvophilic-curvophobic balance of monoalkyl-mannosides determines the magnitude of disturbance promoted in synthetic bilayers
Electronic and Photophysical Properties of Re-I(CO)(3)Br Complexes Modulated by Pyrazolyl-Pyridazine Ligands
Phytoestrogen coumestrol: Antioxidant capacity and its loading in albumin nanoparticles
Spectral and Kinetic Study of 3-Styrylquinoxalin-2(1H)-ones Photoreduced by N-Phenylglycine and Amines
An HPLC Method for the Determination of Isoflavones and the Evaluation of Their Antioxidant Capacity in Both Homogeneous and Microheterogeneous Systems
Photophysical characterization of hydroxy and ethoxy phenalenone derivatives
Scanning fluorescence correlation spectroscopy comes full circle
Study of rabbit erythrocytes membrane solubilization by sucrose monomyristate using laurdan and phasor analysis
Substituent effect of side chains on the photochemical behavior of a new generation 1,4-dihydropyridine: Lercanidipine
An HPLC method for determination of isoflavones and evaluation of their antioxidant capacity in both homogeneous and microheterogeneous systems
Kinetics and photophysical behavior of the P,N-Re-I complex [P,N-{(C6H5)(2)(C5H4N)P}Re(CO)(3)(O-O3SCF3)]=> A directly coordinated (and labile) triflate
Substituent and intramolecular hydrogen-bond effect on the fluorescent emission of two easy-synthesizable fused rigid bicyclic octadiene derivatives
Supramolecular Reversible On-Off Switch for Singlet Oxygen Using Cucurbit[n]uril Inclusion Complexes
The binuclear dual emitter [Br(CO)Re(PN)(NP)Re(CO)Br] (PN)=> 3-chloro-6-(4-diphenylphosphinyl)butoxypyridazine, a new bridging P,N-bidentate ligand resulting from the ring opening of tetrahydrofuran.
Understanding the interaction of concanavalin a with mannosyl glycoliposomes: A surface plasmon resonance and fluorescence study
Morin Flavonoid Adsorbed on Mesoporous Silica, a Novel Antioxidant Nanomaterial
Potential use of nanocarriers with pentacyclic triterpenes in cancer treatments
Solvent, coordination and hydrogen-bond effects on the chromic luminescence of the cationic complex [(phen)(H 2 O)Re(CO) 3 ] +
Synthesis, Physicochemical and Photophysical Characterization of 4-(1-Pyrenyl)-butyl-alpha-D-mannopyranoside
Tuning the photophysical properties of a (P,N)ReI complex by adding a -NH- fragment into a P,N-bidentate ligand: The case of [P,N-{(C6H5)2(C5H4N)NHPRe(CO)3Br]
Clean Singlet Oxygen Production by a Re-I Complex Embedded in a Flexible Self-Standing Polymeric Silsesquioxane Film
Dual Emission of a Novel (P,N) Re-I Complex: A Computational and Experimental Study on [P,N-{(C6H5)(2)(C5H4N)P}Re(CO)(3)Br]
Flavonoids in Microheterogeneous Media, Relationship between Their Relative Location and Their Reactivity towards Singlet Oxygen
Structural and photophysical properties of [(CO)(3)(phen) Re(mu-Br)Re(phen)(CO)(3)](+)[(CO)(3)(+)[Re(mu-Br)(3)Re(CO)(3)](-): Where does its luminescence come from?
Structuration in the Interface of Direct and Reversed Micelles of Sucrose Esters, Studied by Fluorescent Techniques
IS THE DETERMINATION OF THE ASSOCIATION CONSTANT OF CYCLODEXTRIN INCLUSION COMPLEXES DEPENDENT ON THE TECHNIQUE
Substituent Effect on the Photolability of 4-Aryl-1,4-Dihydropyridines
Solvent and Media Effects on the Photophysics of Naphthoxazole Derivatives
PHOTODEGRADATION OF NIMODIPINE AND FELODIPINE IN MICROHETEROGENEOUS SYSTEMS
Rapid and Simple HPLC Method for the Simultaneous Determination of Urocanic Acid Isomers in Human Skin
Singlet Oxygen Reactions with Flavonoids. A Theoretical - Experimental Study
Boldo prevents UV light and nitric oxide-mediated plasmid DNA damage and reduces the expression of Hsp70 protein in melanoma cancer cells
Development and validation of high performance liquid chromatographic and derivative spectrophotometric methods for the determination of candesartan cilexetil in pharmaceutical forms
Methyl-beta-Cyclodextrins Preferentially Remove Cholesterol from the Liquid Disordered Phase in Giant Unilamellar Vesicles
Solvent and compartmentalization effects on the photophysics of 4-(benzothiazol-2-yl)-N,N-diphenylaniline
Sucrose Monoester Micelles Size Determined by Fluorescence Correlation Spectroscopy (FCS)
A high-performance liquid chromatography method for determination of flavonoids in dipalmitoylphosphatidylcholine liposome solutions
A high-performance liquid chromatography method for determination offlavonoids in dipalmitoylphosphatidylcholine liposome solutions
Linear free energy relationship analysis of solvent effect on singlet oxygen reactions with mono and disubstituted anthracene derivatives
Solubilization of lipid bilayers by myristyl sucrose ester: effect of cholesterol and phospholipid head group size
Characterization of micelles formed by sucrose 6-O-monoesters
Distribution of urocanic acid isomers between aqueous solutions and n-octanol, liposomes or bovine serum albumin
Photophysics and photochemistry of naphthoxazinone derivatives
Photosensitized generation of singlet molecular oxygen by aryloxazinones
SOLUBILIZATION OF DPPC SMALL UNILAMELLAR LIPOSOMES BY SUCROSE ESTERS: A FLUORESCENCE STUDY
Photophysical and photochemical behavior of nimodipine and felodipine
Study of singlet oxygen equilibrium in dioctadecyidimethylammonium chloride vesicles employing 2-(n-(N,N,N-trimethylamine)-n-alkyl)-5-alkylfuryl halides
A high-performance liquid chromatography method for determination 2-(n-(N,N,N-trimethyl)-n-alkyl)-5-alkylfuryl halides in dipalmitoylphosphatidilcholine liposome solutions
Solubilization of dodac small unilamellar vesicles by sucrose esters - A fluorescence study
Solvent effect on the sensitized photooxygenation of cyclic and acyclic alpha-diimines
Fast high performance liquid chromatography and ultraviolet-visible quantification of principal phenolic antioxidants in fresh rosemary
Reaction of singlet molecular oxygen, O-2((1) Delta(g)), with the Cinchona tree alkaloids - Effect of absolute configuration on the total rate constant
Sensitized photooxidation of thyroidal hormones. Evidence for heavy atom effect on singlet molecular oxygen [O-2((1)Delta(g))]-mediated photoreactions
Synthesis of 2-(n-(N,N,N-trimethyl)-n-alkyl)-5-alkylfuryl halides - Useful probes for studying singlet oxygen dynamics and equilibria in microcompartmentalized systems
Solvent effect on the sensitized photooxygenation of 2,3-dihydropyrazine derivatives
Structural changes in DODAC unilamellar liposomes by addition of sucrose esters monitored by using fluorescent techniques
Determination of chemical rate constants in singlet molecular oxygen reactions by using 1,4-dimethylnaphthalene endoperoxide
Sensitized photoxygenation of piroxicam in neat solvents and solvent mixtures
Solvent effects on the sensitized photoxygenation of lidocaine
ON THE USE OF 9,10-DIMETHYLANTHRACENE AS CHEMICAL RATE CONSTANT ACTINOMETER IN SINGLET MOLECULAR OXYGEN REACTIONS
Kinetics and Mechanism of the Photosensitized Oxidation of Furosemide
Release of methylene blue from dioctadecyldimethylammonium chloride vesicles
A kinetic study of the reaction between boldine and singlet oxygen [O-2((1)Delta(g))]
Evaluation of association constants from fluorescence data: A corrected method

Abstract (1)

Interaction of rHDL particles with membranes containing cholesterol in different lipid packing.

Errata (1)

PHOTODEGRADATION OF NIMODIPINE AND FELODIPINE IN MICROHETEROGENEOUS SYSTEMS (vol 57, pg 1313, 2012)

Proyecto (13)

NOVEL GLYCOLIPIDS WITH SINGLET OXYGEN GENERATION CAPABILITIES=> SYNTHESIS, CHARACTERIZATION AND LECTIN INTERACTION.
POTENTIAL USES OF RHENIUM COMPLEXES AS PHOTOSENSITIZERS, BACTERICIDES OR MOLECULAR PROBES=> A PHOTOPHYSICAL AND PHOTOCHEMICAL STUDY
SYNTHESIS OF A NOVEL "ANTIOXIDANT NANOEXCIPIENT" FORMED BY SILICA NANOPARTICLES WITH POLYPHENOLIC COMPOUNDS COVALENTLY LINKED, EVALUATION OF THEIR ANTIOXIDANT CAPACITY AND THEIR STABILIZING PROPERTIES OF PICKERING PHARMACEUTICAL EMULSIONS
OPTIMIZING CHOLESTEROL REMOVAL BY HDL NANODISCS=> A TWO-PHONTON MICROSCOPY APPROACH
SUPRAMOLECULAR SYSTEMS OF SUCROSE GLYCERATE DEVATIVES STUDIED BY MEANS OF FLUORESCENT TECHNIQUES
SYNTHESIS, PHOTOPHYSICS AND PHOTOCHEMISTRY OF FURAN-FLUORESCENT DYE DYADS. NEW "TURN-ON" FLUORESCENT SENSORS FOR SINGLET MOLECULAR OXYGEN.
PHOTOPHYSICAL AND PHOTOCHEMICAL STUDY OF NEW ANTIHYPERTENSIVE DRUGS IN HOMOGENEOUS AND MICROHETEROGENEOUS SYSTEMS.
REACTIONS OF SINGLET MOLECULAR OXYGEN WITH NATURAL ANTIOXIDANTS INCORPORATED TO DIPALMITOYLPHOSPHATIDYLCHOLINE LIPOSOMES. A KINETIC STUDY
PHYSICAL CHEMICAL CHARACTERIZATION OF PURE SUCROSE MONOESTERS REVERSED MICELLES BY MEANS OF FLUORESCENT TECHNIQUES
REACCIONES DE OXIGENO MOLECULAR SINGULETE EN MEZCLAS ACUOSAS Y EN SISTEMAS COMPARTIMENTALIZADOS
CARACTERIZACION FISICOQUIMICA DE MICELAS DE ESTERES DE SACAROSA Y LIPOSOMAS MIXTOS DE CLORURO DE DIOCTADECILDIMETILAMONIO Y DIPALMITOILFOSFATIDILCOLINA CON ESTERES DE SACAROSA MEDIANTE TECNICAS FLUORESCENTES.
ESTUDIO DEL COMPORTAMIENTO CINETICO Y TERMODINAMICO DEL OXIGENO MOLECULAR SINGULETE O2(1 G), EN SISTEMAS MICROHETEROGENEOS
ESTUDIO DEL COMPORTAMIENTO FOTOFISICO Y FOTOQUIMICO DE XENOBIOTICOS DE INTERES FARMACOLOGICO
72
GERMAN GUNTHER

PROFESOR Titular

Química Orgánica y Físico Química

UNIVERSIDAD DE CHILE

Santiago, Chile

18
Javier Morales

Académico - Profesor Asociado

Ciencias y Tecnología Farmacéuticas

UNIVERSIDAD DE CHILE

Santiago, Chile

13
Susana Sanchez

Assistant Professor

Polimeros

Universidad de Concepcion

Concepcion, Chile

10
Nancy Pizarro

Full professor

Ciencias Quimicas

UNIVERSIDAD ANDRES BELLO

Santiago, Chile

9
Andres Vega

Director

Departamento de Química

UNIVERSIDAD ANDRES BELLO

Santiago, Chile

7
Alvaro Cañete

Profesor-investigador

instituto de ciencias químicas aplicadas

Universidad Autónoma de Chile

Santiago, Chile

7
Francisco Arriagada

Académico

Universidad Austral de Chile

Valdivia, Chile

5
Marjorie Cepeda

Profesor asistente

Ciencias Químicas

Universidad Andrés Bello

Santiago, Chile

3
Karina Valdés

Asistente

Ciencias y Tecnología Farmacéutica

UNIVERSIDAD DE CHILE

Santiago, Chile

3
Eduardo Berrios

Profesor auxiliar

Instituto de Química y Bioquímica

UNIVERSIDAD DE VALPARAISO

Valparaíso, Chile

2
claudio olea

Full Professor

Inorganica y Analitica

UNIVERSIDAD DE CHILE

Santiago, Chile

2
Ana Edwards

Full Professor

Chemistry

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

2
Francisco Mura

Investigador postdoctoral

Química y Biología

Universidad de Santiago de Chile

Santiago, Chile

2
Pablo Jaque

Profesor Asociado

Química Orgánica y Fisicoquímica

Universidad de Chile

Santiago, Chile

1
Claudia Yáñez

académico

Química Orgánica y Físico Química

Universidad de Chile

Santiago, Chile

1
Diego Cortés

Académico No Regular

Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación

Universidad Tecnológica Metropolitana

Santiago, Chile

1
Pedro Aguirre

Profesor asociado

Inorgánica y Analítica

Universidad de Chile, Facultad de Ciencias Químicas y Farmacéuticas

Santiago, Chile

1
EDUARDO CHAMORRO

Profesor Titular. Departamento de Ciencias Quimicas. Facultad de Ciencias Exactas. Universidad Andres Bello

Departamento de Ciencias Químicas

UNIVERSIDAD ANDRES BELLO

Santiago, Chile

1
SOLEDAD BOLLO

PROFESOR TITULAR

QUIMICA FARMACOLÓGICA Y TOXICOLÓGICA

UNIVERSIDAD DE CHILE

SANTIAGO, Chile

1
Hugo Sierra

Investigador

Centro AGRIMED

Universidad de Chile

Santiago, Chile

1
Julio De La Fuente

Profesor Asociado

Química Orgánica y Fisicoquímica

FAC. CS. QUÍMICAS Y FARMACÉUTICAS, UNIVERSIDAD DE CHILE

Santiago, Chile

1
Denis Fuentealba

PROFESOR ASOCIADO

QUIMICA FISICA

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

1
Maria Angelica Larrain

Profesor Asociado

Ciencia de los Alimentos y Tecnologia Quimica

UNIVERSIDAD DE CHILE FACULTAD DE CIENCIAS QUIMICAS Y FARMACEUTICAS

Santiago, Chile

1
Mario Duque

Académico

Ciencias Químicas

Universidad Andrés Bello

Santiago, Chile