Cristina L. Ramírez

ORCID: 0000-0003-0765-8115
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About
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Research Areas
  • Insect and Pesticide Research
  • Cannabis and Cannabinoid Research
  • Plant and animal studies
  • Molecular spectroscopy and chirality
  • GABA and Rice Research
  • Bee Products Chemical Analysis
  • Essential Oils and Antimicrobial Activity
  • Synthesis and Characterization of Heterocyclic Compounds
  • Analytical Chemistry and Chromatography
  • Insect Pest Control Strategies
  • Conducting polymers and applications
  • Phytochemistry and Biological Activities
  • Biochemical Analysis and Sensing Techniques
  • Animal Ecology and Behavior Studies
  • Phytochemicals and Antioxidant Activities
  • Luminescence and Fluorescent Materials
  • Electrochemical Analysis and Applications
  • Photochemistry and Electron Transfer Studies
  • Spectroscopy and Quantum Chemical Studies
  • Organic Light-Emitting Diodes Research
  • Advanced NMR Techniques and Applications
  • Nonlinear Optical Materials Research
  • Free Radicals and Antioxidants
  • Porphyrin and Phthalocyanine Chemistry
  • Metal complexes synthesis and properties

National University of Mar del Plata
2009-2025

Consejo Nacional de Investigaciones Científicas y Técnicas
2018-2024

Fundación Ciencias Exactas y Naturales
2009-2024

Centro Científico Tecnológico Mar del Plata
2023

Instituto de Biotecnología y Biología Molecular
2023

Instituto de Investigaciones Físicas de Mar del Plata
2022

Instituto de Biotecnología de León
2020

National Center for Genetic Engineering and Biotechnology
2020

Centro Científico Tecnológico - San Juan
2012

Cystic echinococcosis is a global parasitic zoonosis caused by infection with the larval stage of Echinococcus granulosus sensu lato. affects more than 1 million people worldwide, causing important economic costs in terms management and livestock associated losses. Albendazole main drug used treating human cystic echinococcosis. In spite this, its low aqueous solubility, poor absorption, consequently erratic bioavailability are cause chemotherapeutic failures. Based on described problem, new...

10.3390/tropicalmed9020035 article EN cc-by Tropical Medicine and Infectious Disease 2024-01-31

The present study shows the variability in chemical profiles of three different varieties Cannabis sativa extracts used medicinal cannabis oil when using two extraction and evaporation methods. Procedures were compared by analyzing rate total terpenoids to principal cannabinoids, tetrahydrocannabinol (THC) cannabidiol (CBD), gas chromatography coupled mass spectrometry (GC-MS). inflorescences soxhlet method showed highest final extract. Also, use heating presence oxygen evaporating solvents,...

10.1080/14786419.2019.1663515 article EN Natural Product Research 2019-09-12

Two triarylamine centers bridged through an aliphatic bridge feature unexpected charge transfer properties, bearing important electronic coupling between them in the absence of a π linker; EPR, electrochemistry, spectroscopy and first principles molecular calculations are combined to study structure this compound.

10.1039/c1cp22086a article EN Physical Chemistry Chemical Physics 2011-01-01

Introduction: Cannabidiol (CBD), the main non-psychoactive cannabinoid of Cannabis sativa plant, is a powerful antioxidant compound that in recent years has increased interest due to causes effects wide range biological functions. Zika virus (ZIKV) transmitted mainly by Aedes aegypti mosquitoes, which neurological diseases, such as microcephaly and Guillain-Barre syndrome. Although frequency viral outbreaks recently, no vaccinations or particular chemotherapeutic treatments are available for...

10.1089/can.2023.0103 article EN Cannabis and Cannabinoid Research 2023-09-08

We describe in this paper the properties of [RuII/III(bpy)2ClL]+1/+2 and [RuII/III(bpy)2L2]+2/+3. L = ditolyl-3-pyridylamine (dt3pya) is a redox active ligand related to triarylamines, which very similar 3-aminopyridine except for reversible behavior. The monosubstituted complex shows metal-to-ligand charge-transfer (MLCT) at 502 nm, waves acetonitrile E0(RuIII/II) 1.07 V, E0(L+/0) 1.46 V (NHE). disubstituted an MLCT 461 photorelease dt3pya with quantum yield 0.11 473 two one-electron...

10.1021/ic200966f article EN Inorganic Chemistry 2012-01-06

Varroa destructor is a parasitic mite, which considered severe pest for honey bees causing serious losses to beekeeping. Residual hydrolats from steam extraction of hop essential oils, generally as waste product, were tested their potential use acaricides on V. destructor. Four varieties, namely Cascade, Spalt, Victoria, and Mapuche, showed an interesting performance feasible products be used in the beekeeping industry. Some volatile oxidized terpenoids found hydrolats, mainly...

10.3390/plants11233329 article EN cc-by Plants 2022-12-01

Several 3‐pyrazolylcarbonyl‐pyrazolo[3,4‐ d ][1,2,3]triazin‐4‐ones have been prepared from 5‐amino‐1 H ‐pyrazole‐4‐carbonitriles through a simple sequence. In the first step, diazotization of corresponding aminopyrazoles afforded pyrazolo[3,4‐ ][1,2,3]triazin‐4‐ones. Next, thermal rearrangement these compounds nitrogen elimination gave final products. The proposed mechanism for ring‐opening pyrazolotriazinones to give pyrazolylcarbonyl‐pyrazolotriazinones involves generation an iminoketene...

10.1002/ejoc.201701538 article EN European Journal of Organic Chemistry 2018-01-22

The enzymatic reduction of carbon dioxide presents limited applicability due to denaturation and the impossibility biocatalyst recovery; disadvantages that can be minimized by its immobilization. Here, a recyclable bio-composed system was constructed in-situ encapsulation under mild conditions using formate dehydrogenase in ZIF-8 metalorganic framework (MOF) presence magnetite. partial dissolution enzyme's operation medium relatively inhibited if concentration magnetic support used exceeds...

10.1002/chem.202301113 article EN Chemistry - A European Journal 2023-06-09
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