Chad Leidy

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Chad Leidy

Chad Leidy

Doctor Of Philosophy In Biophysics

cleidy @uniandes.edu.co

Profesor Asociado

Office: IP-406

Extension: 2712

Departamento de Física

Profile
Courses
Products
Degrees
Projects

Profile

Recent Courses

  • 2023
    • FÍSICA II

      First period
      Bachelor Level

      FÍSICA II (REFORMA 202020)

      First period
      Bachelor Level

Recent Products

Gerson-Dirceu López, Leidy C. (2022)
Staphylococcus aureus Carotenoids Modulate the Thermotropic Phase Behavior of Model Systems That Mimic Its Membrane Composition
Membranes (ISSN 2077-0375)
Article
Gerson-Dirceu López, Suesca E, Leidy C, Carazzone C. (2021)
Carotenogenesis of Staphylococcus aureus: New insights and impact on membrane biophysical properties
Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids (ISSN 1388-1981)
Article

Recent Degrees

Doctor Of Philosophy In Biophysics

Doctoral degree

University Of California

2002

Estados Unidos

Bachelor Of Science With A Major In Physics

Bachelor degree

University Of California

1996

Estados Unidos

Recent Projects

  • 2023
    • Comportamiento biofísico de organismos asociados a chimeneas volcánicas

      Duration: 12 months

      PR.6.2023.10627

      Se colectan muestras de diferentes microorganismos de las chimeneas de cerro Machin. A partir de lo anterior, se hará un estudio de las características físicas de los lípidos de los diferentes microorganismos recolectados. 

      Comportamiento biofísico de organismos asociados a chimeneas volcánicas

      Duration: 12 months

      PR.6.2023.10627

      Se colectan muestras de diferentes microorganismos de las chimeneas de cerro Machin. A partir de lo anterior, se hará un estudio de las características físicas de los lípidos de los diferentes microorganismos recolectados. 

Courses

  • 2023
    • FÍSICA II

      First period
      Bachelor Level

      FÍSICA II (REFORMA 202020)

      First period
      Bachelor Level
    • NANOTECNOLOGÍA

      First period
      Bachelor Level

      TERMODINÁMICA (REF. 202020)

      First period
      Bachelor Level
    • TOPICOS EN BIOFISICA

      Second period
      Bachelor Level

      TOPICOS AVANZADOS EN BIOFISICA

      Second period
      Master Level
    • FÍSICA II

      Second period
      Bachelor Level

      FÍSICA II (REFORMA 202020)

      Second period
      Bachelor Level
    • COLOQUIO 2 DE FÍSICA

      First period
      Bachelor Level
  • 2022
    • FÍSICA II (REFORMA 202020)

      First period
      Bachelor Level

      RETO EMPRES. COMPUTER VISION

      Second period
      Bachelor Level
    • FÍSICA II

      First period
      Bachelor Level

      PROYECTO FINAL

      Second period
      Bachelor Level
    • TERMODINÁMICA

      Second period
      Bachelor Level

      TERMODINÁMICA (REF. 202020)

      Second period
      Bachelor Level
    • MONOGRAFÍA

      Second period
      Bachelor Level

      MONOGRAFÍA

      First period
      Bachelor Level
    • PROYECTO FINAL

      First period
      Bachelor Level

      FÍSICA BÁSICA 2

      Second period
      Bachelor Level
  • 2021
    • TERMODINÁMICA

      First period
      Bachelor Level

      FÍSICA II

      First period
      Bachelor Level
    • TERMODINÁMICA (REF. 202020)

      First period
      Bachelor Level

      FÍSICA II (REFORMA 202020)

      Second period
      Bachelor Level
    • FÍSICA II

      Second period
      Bachelor Level

      RETO EMPRES. COMPUTER VISION

      Second period
      Bachelor Level
  • 2020
    • FÍSICA II

      First period
      Bachelor Level

      TERMODINÁMICA

      First period
      Bachelor Level
    • FÍSICA II

      Second period
      Bachelor Level

      TERMODINÁMICA

      Second period
      Bachelor Level
  • 2019
    • SEMINARIO 2 DE BIOFISICA

      First period
      Master Level

      SEMINARIO 1 DE BIOFISICA

      First period
      Master Level
    • FÍSICA II

      Second period
      Bachelor Level

      FÍSICA II

      First period
      Bachelor Level
    • SEMINARIO DE BIOFISICA

      First period
      Bachelor Level
  • 2018
    • SEMINARIO 2 DE BIOFISICA

      First period
      Master Level

      FISICA II

      First period
      Bachelor Level
    • SEMINARIO DE BIOFISICA

      First period
      Bachelor Level

      TERMODINAMICA (INGLES)

      First period
      Bachelor Level
    • SEMINARIO 1 DE BIOFISICA

      First period
      Master Level

      TOPICOS AVANZADOS EN BIOFISICA

      Second period
      Master Level
    • FISICA II

      Second period
      Bachelor Level

      TOPICOS EN BIOFISICA

      Second period
      Bachelor Level
    • SEMINARIO DE BIOFISICA

      Second period
      Bachelor Level

      SEMINARIO 1 DE BIOFISICA

      Second period
      Master Level
    • SEMINARIO 2 DE BIOFISICA

      Second period
      Master Level
  • 2017
    • SEMINARIO 2 DE BIOFISICA

      Second period
      Master Level

      FISICA II

      Second period
      Bachelor Level
    • SEMINARIO DE BIOFISICA

      Second period
      Bachelor Level

      SEMINARIO 1 DE BIOFISICA

      Second period
      Master Level
  • 2014
    • FISICA BASICA 2

      First period
      Bachelor Level

      LABORATORIO INTERMEDIO

      First period
      Bachelor Level
    • LABORATORIO AVANZADO

      First period
      Master Level
  • 2013
    • TERMODINAMICA

      First period
      Bachelor Level

      FISICA BASICA 2

      Second period
      Bachelor Level
    • FISICA BASICA 2

      First period
      Bachelor Level

Products

Gerson-Dirceu López, Leidy C. (2022)
Staphylococcus aureus Carotenoids Modulate the Thermotropic Phase Behavior of Model Systems That Mimic Its Membrane Composition
Membranes (ISSN 2077-0375)
Article
Gerson-Dirceu López, Suesca E, Leidy C, Carazzone C. (2021)
Carotenogenesis of Staphylococcus aureus: New insights and impact on membrane biophysical properties
Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids (ISSN 1388-1981)
Article
Leidy C, Perez M, Mendez R, Trier S, Herrfurth C, Gerson-Dirceu López, Carazzone C, Feussner I, Bernal A, Forero-Shelton Manu, Suesca E. (2020)
Carotenoid Content and Composition in Exponential, Stationary and Biofilm States of Staphylococcus aureus and their Influence on Membrane Biophysical Properties
Biophysical Journal (ISSN 0006-3495)
Article
Suesca E, Leidy C, Gonzalez J. (2020)
Sulfatide-Rich Liposome Uptake by a Human-Derived Neuroblastoma Cell Line
Processes (ISSN 2227-9717)
Article
Gerson-Dirceu López, Leidy C, Carazzone C.
Carotenoid Profiling Analysis of Staphylococcus aureus by LC‐MSn in Different Growth Phases
Event
Gerson-Dirceu López, Leidy C, Carazzone C.
Carotenoid Profiling of Staphylococcus aureus by LC-MSn in Different Growth Phases
Event
Gerson-Dirceu López, Leidy C, Carazzone C.
Comparative metabolomics of Staphylococcus aureus by HPLC-DAD-MS/MS
Event
Gerson-Dirceu López, Leidy C, Carazzone C.
Metabolómica dirigida a menaquinonas y la ruta biosintétca de estafloxantna de Staphylococcus aureus
Event
Perez M, Mendez R, Trier S, Herrfurth C, Feussner I, Bernal A, Forero-Shelton Manu, Leidy C. (2019)
Variations in carotenoid content and acyl chain composition in exponential, stationary and biofilm states of Staphylococcus aureus, and their influence on membrane biophysical properties
Biochimica et Biophysica Acta - Biomembranes (ISSN 0005-2736)
Article
Hernández-villa L, Manrique-moreno M, Leidy C, Jemioła-rzemińska M, Ortíz C, Strzałka K. (2018)
Biophysical evaluation of cardiolipin content as a regulator of the membrane lytic effect of antimicrobial peptides
Biophysical Chemistry (ISSN 0301-4622)
Article
Ramírez S, Leidy C. (2018)
Effect of the Organization of Rhodopsin on the Association between Transducin and a Photoactivated Receptor
Journal of the American Chemical Society (ISSN 0002-7863)
Article
Gerson-Dirceu López, Leidy C, Carazzone C.
HPLC-DAD-ESI-MS/MS Analysis of Carotenoids in Staphylococcus aureus
Event
Gerson-Dirceu López, Leidy C, Carazzone C.
Identification of carotenoids present in Staphylococcus aureus using UHPLC-DAD-ESI-MS/MS
Event
Leidy C, Perez M, Mendez R, Trier S, Herrfurth C, Feussner I, Bernal A, Forero-Shelton Manu.(2018).
Modulation of lipid composition during biofilm formation, and its influence on the membrane biophysical properties of Staphylococcus aureus
Event
Prada C, Salazar M, Güiza L, Perez M, Leidy C, Vives M. (2018)
Phage preparation FBL1 prevents Bacillus licheniformis biofilm, bacterium responsible for the mortality of the Pacific White Shrimp Litopenaeus vannamei
AQUACULTURE (ISSN 0044-8486)
Article
Oñate J, Manrique-moreno M, Trier S, Leidy C, Torres R, Patiño E. (2017)
Antimicrobial activity and interactions of cationic peptides derived from Galleria mellonella cecropin D-like peptide with model membranes
Journal of Antibiotics (ISSN 0021-8820)
Article
Forero-Shelton Manu, Leidy C, Perez M, Mendez R.(2017).
Effects of Carotenoids on Membrane Bending Rigidity
Event
Marin N, Ramirez D, Trier S, Leidy C. (2016)
Mechanical properties that influence antimicrobial peptide activity in lipid membranes
Applied Microbiology and Biotechnology (ISSN 0175-7598)
Article
Leidy C.
58th_Annual Meeting of the Biophysical Society
Event
Guerra D .(2014). Actividad miotóxica e hidrolítica de PLA2 (Fosfolipasa A2) en veneno completo de Bothrops asper.
Actividad miotóxica e hidrolítica de PLA2 (Fosfolipasa A2) en veneno completo de Bothrops asper
Thesis
Lara J .(2014). Characterization of the Bacillus subtilis Response to Changes in Temperature by the Activity of the Enzyme Desaturase ?-5 des.
Characterization of the Bacillus subtilis Response to Changes in Temperature by the Activity of the Enzyme Desaturase ?-5 des
Thesis
Prada C, Salazar M, Güiza L, Perez M, Leidy C, Vives M.
Effect of Bacteriophages on the Biofilm Formed by Bacillus licheniformis, Responsible for the Mortality of the Pacific White Shrimp Litopenaeus vannamei (ASM 114th)
Event
Suesca E, Bustamante N, Bolanos N, Gonzalez J, Leidy C. (2014)
Endocytosis of Liposomes Containing Sulfo-Cerebrosides by an Astrocytomal Cell Line: Is it a Charge Mediated Process or Does it Involve a Specific Receptor?
Biophysical Journal (ISSN 0006-3495)
Article
Pieffet G, Botero A, Peters G, Forero-Shelton Manu, Leidy C. (2014)
Exploring the Elastic Properties of Bilayer Membranes using Molecular Dynamics Simulations
Journal of Physical Chemistry B (ISSN 1520-6106)
Article
Pieffet G, Botero A, Forero-Shelton Manu, Leidy C.(2014).
Exploring the Elastic Properties of Bilayer Membranes using Molecular Dynamics Simulations
Event
Pieffet G, Botero A, Peters G, Forero-Shelton Manu, Leidy C. (2014)
Exploring the Local Elastic Properties of Bilayer Membranes Using Molecular Dynamics Simulations
Journal of Physical Chemistry B (ISSN 1520-6106)
Article
Orjuela J, Leidy C, Peters G, Pieffet G. (2014)
Lysolipid Concentration Effect on the Properties of a Membrane using Molecular Dynamics
Biophysical Journal (ISSN 0006-3495)
Article
Lara J .(2014). Modulation of the thermodynamic behavior in the membrane of Bacillus subtilis by the activity of the enzyme Desaturase ?-5 des.
Modulation of the thermodynamic behavior in the membrane of Bacillus subtilis by the activity of the enzyme Desaturase ?-5 des
Thesis
Ramírez S, Leidy C. (2014)
Monte Carlo Study of the Association Rate Between Transducin and Photoactivated Rhodopsin at Disc Membranes
Biophysical Journal (ISSN 0006-3495)
Article
Perez M, Trier S, Bernal A, Vargas-zambrano J, Herrfurth C, Feussner I, Gonzalez J, Leidy C. (2014)
S. Aureus Adapt to Growth Conditions by Changing Membrane Order
Biophysical Journal (ISSN 0006-3495)
Article
Hernandez C, Leidy C, Valero P, Olarte J. (2014)
Una comparación entre cursos de Física para estudiantes de Medicina y Biología utilizando diseños centrados en el profesor o en los estudiantes
VOCES Y SILENCIOS: REVISTA LATINOAMERICANA DE EDUCACIÓN (ISSN 2215-8421)
Article
Tibabuzo A. M., Ocampo J, Zimmermann B.H, Leidy C, Carazzone C, Meesters R.(2013).
A proteomics screening method for the identification of antimicrobial active molecules in Colombian snake venom
Event
Perez M .(2013). Changes in lipid composition during biofilm formation of S. aureus and implications in susceptibility to antimicrobial peptides..
Changes in lipid composition during biofilm formation of S. aureus and implications in susceptibility to antimicrobial peptides.
Thesis
Bolanos N .(2013). FACTORES FÍSICOS QUE INFLUYEN EN LA CAPTACIÓN DE LIPOSOMAS POR CÉLULAS DE ASTROCITOMA: TAMAÑO DEL LIPOSOMA Y PRESENCIA DE POLIETILENGLICOL SUPERFICIAL.
FACTORES FÍSICOS QUE INFLUYEN EN LA CAPTACIÓN DE LIPOSOMAS POR CÉLULAS DE ASTROCITOMA: TAMAÑO DEL LIPOSOMA Y PRESENCIA DE POLIETILENGLICOL SUPERFICIAL
Thesis
Ortiz J, Avila A, Rey I, Briceño J, Leidy C. (2013)
Lipid vesicle detection using ISFET devices
Revista Facultad de Ingenieria (ISSN 0120-6230)
Article
Lopez M .(2013). Modulación de la expresión génica en Staphylococcus aureus como respuesta al péptido antimicrobiano Novocidina.
Modulación de la expresión génica en Staphylococcus aureus como respuesta al péptido antimicrobiano Novocidina
Thesis
Tibabuzo A. M., Ocampo H, Zimmermann B.H, Leidy C. (2013)
Phospholipase A2 Activity and Substrate Specificity of Bothrops Asper and Crotalus Durissus Cumanensis Snake Venom Collected from the Guajira Region of Colombia
57th Annual Meeting
Inproceeding
Santisteban N .(2013). Propiedades Mecánicas de Membranas como Factor de Resistencia a Péptidos Antimicrobiales.
Propiedades Mecánicas de Membranas como Factor de Resistencia a Péptidos Antimicrobiales
Thesis
Rey-Suarez, I, Leidy C, Tellez G, Gay G, Gonzalez A. (2013)
Slow Sedimentation and Deformability of Charged Lipid Vesicles
PLoS ONE (ISSN 1932-6203)
Article
Suesca E, Alejo J, Bolanos N, Ocampo H, Leidy C, Gonzalez J, Gonzalez J. (2013)
Sulfocerebrosides upregulate liposome uptake in human astrocytes without inducing a proinflammatory response
Cytometry Part A (ISSN 1552-4922)
Article
Leidy C, Pedraza J. (2013)
Tuning the range and stability of multiple phenotypic states with coupled positive-negative feedback loops
Nature Communications (ISSN 2041-1723)
Article
Tibabuzo A, Ocampo J, Zimmermann B.H, Leidy C. (2012)
A novel fluorometric assay for phospholipases A2 from the Colombian snakes Botrhops asper and Crotalus cumanenses
Toxicon : official journal of the International Society on Toxinology (ISSN 0041-0101)
Article
Velez C, Silva S, Wang X, Gonzalez A, Leidy C, Osma J, Ren F. (2012)
Comparison between Fabrication Techniques for Glass Microfluidic Microchannels
AVS 59th Annual International Symposium and Exhibition
Inproceeding
Gonzalez A, Gay G, Tellez G, Leidy C. (2012)
Effect of electrostatic interactions on sedimentation dynamics and deformability of lipid vesicles
VI Seminario Internacional de Ingeniería Biomédica
Inproceeding
Hernandez C, Leidy C, Olarte J. (2011)
Contextualizing a Physics Course in a PO-PBL MODEL: Students’ Perception
3rd International Research Symposium on PBL 2011
Inproceeding
Rey-Suarez, I, Gonzalez A, Gay G, Tellez G, Leidy C. (2011)
Dynamics of sedimentation and deformability of GUVs in the presence of an electrostatic surface repulsion
Biophysical Journal (ISSN 1542-0086)
Article
Leidy C, Ocampo J, Duelund L, Mouritsen O, Jorgensen K, Peters G. (2011)
Membrane Restructuring by Phospholipase A(2) Is Regulated by the Presence of Lipid Domains
Biophysical Journal (ISSN 0006-3495)
Article
Jackson H, Ariza O, Paola J, Escobar C, Becerra J, Leidy C, Vives M. (2010)
Staphylococcus aureus Enriched in Ordered Lipids Present Resistance Towards the Antibacterial Agent sPLA2-IIA: An Unusual Mechanism to Survive
Biophysical Journal (ISSN 0006-3495)
Article
Ocampo J, Afanador N, Vives M, Moreno J, Leidy C. (2010)
The antibacterial activity of phospholipase A(2) type IIA is regulated by the cooperative lipid chain melting behavior in Staphylococcus aureus
Biochimica et Biophysica Acta - Biomembranes (ISSN 0005-2736)
Article
Gonzalez J, Leidy C, Alejo J, Bolanos N, Ocampo H.
Uptake by human atrocytes of lipid vesicles modelin the lipid composition of myelin
Other
Mejía A, Leidy C, Cortes M. (2009)
Impedance spectroscopy measurements for gotten membrane and membrane-receptor, in the presence of Bisphenol A. Medidas de Espectroscopia de Impedancia sobre membrana y membrana-receptor apoyadas, en presencia de Bisfenol A
Portugaleae Electrochimica Acta (ISSN 1647-1571)
Article
Bali R, Savino L, Ramirez D, Tsvetkova N, Bagatolli L, Tablin F, Crowe J, Leidy C. (2009)
Macroscopic domain formation during cooling in the platelet plasma membrane: An issue of low cholesterol content
Biochimica et Biophysica Acta - Biomembranes (ISSN 0005-2736)
Article
Hernandez C, Leidy C.
Mapping the Activity of Phospholipase A2 within the POPC-Sphingomyelin-Cholesterol Phase Diagram.
Event
Ocampo H, Afanador N, Moreno J, Leidy C, Vives M. (2007)
Liquid-disordered/solid-ordered phase coexistence in Escherichia coli and Staphylococcus aureus and their sensitivity to phospholipase A(2): an FTIR study.
Biophysical Meeting
Inproceeding
Moreno J, Ocampo H, Afanador N, Vives M, Leidy C.
Liquid-disordered/solid-ordered phase coexistence in escherichia coli and staphylococcus aureus and their sensitivity to phospholipase A2: an ftir study
Event
Fidorra M, Duelund L, Leidy C, Simonsen A, Bagatolli L. (2006)
Absence of fluid-ordered/fluid-disordered phase coexistence in ceramide/POPC mixtures containing cholesterol
Biophysical Journal (ISSN 0006-3495)
Article
Mouritsen O, Andresen T, Halperin A, Hansen P, Jakobsen A, Jensen U, Jensen M, Jorgensen K, Kaasgaard T, Leidy C, Simonsen A, Weiss M, Peters G. (2006)
Activation of interfacial enzymes at membrane surfaces
Journal of Physics Condensed Matter (ISSN 0953-8984)
Article
Leidy C, Linderoth L, Andresen T, Mouritsen O, Jorgensen K, Peters G. (2006)
Domain-induced activation of human phospholipase A(2) type IIA: local versus global lipid composition
Biophysical Journal (ISSN 0006-3495)
Article
Hernandez C, Leidy C. (2006)
El colesterol: una molécula con mala reputación
Hipótesis: Apuntes Científicos Uniandinos (ISSN 1692-729X)
Article
Pedersen U, Leidy C, Westh P, Peters G. (2006)
The effect of calcium on the properties of charged phospholipid bilayers
Biochimica et Biophysica Acta - Biomembranes (ISSN 0005-2736)
Article
Leidy C, Mouritsen O, Jorgensen K, Peters G. (2004)
Evolution of a rippled membrane during phospholipase A(2) hydrolysis studied by time-resolved AFM
Biophysical Journal (ISSN 0006-3495)
Article
Leidy C, Kaasgaard T, Mouritsen O, Jorgensen K, Peters G. (2004)
Investigation of lipid membrane organization, morphology, and dynamics by atomic force microscopy of supported bilayers
Inbook
Leidy C, Gousset K, Ricker J, Wolkers W, Tsvetkova N, Tablin F, Crowe J. (2004)
Lipid phase behavior and stabilization of domains in membranes of platelets
Cell Biochemistry and Biophysics (ISSN 1085-9195)
Article
Kaasgaard T, Leidy C, Crowe J, Mouritsen O, Jorgensen K. (2003)
Temperature-controlled structure and kinetics of ripple phases in one- and two-component supported lipid bilayers
Biophysical Journal (ISSN 0006-3495)
Article
Ricker J, Tsvetkova N, Wolkers W, Leidy C, Tablin F, Longo M, Crowe J. (2003)
Trehalose maintains phase separation in an air-dried binary lipid mixture
Biophysical Journal (ISSN 0006-3495)
Article
Leidy C, Kaasgaard T, Crowe J, Mouritsen O, Jorgensen K. (2002)
Ripples and the formation of anisotropic lipid domains: Imaging two-component double bilayers by atomic force microscopy
Biophysical Journal (ISSN 0006-3495)
Article
Kaasgaard T, Leidy C, Ipsen J, Mouritsen O, Jorgensen K. (2001)
In situ atomic force microscope imaging of supported lipid bilayers
Single Molecules (ISSN 1438-5163)
Article
Leidy C, Wolkers W, Jorgensen K, Mouritsen O, Crowe J. (2001)
Lateral organization and domain formation in a two-component lipid membrane system
Biophysical Journal (ISSN 0006-3495)
Article

Degrees

  • Doctor Of Philosophy In Biophysics

    Doctoral degree

    University Of California

    2002

    Estados Unidos

    Bachelor Of Science With A Major In Physics

    Bachelor degree

    University Of California

    1996

    Estados Unidos

Projects

  • 2023
    • Comportamiento biofísico de organismos asociados a chimeneas volcánicas

      Duration: 12 months

      PR.6.2023.10627

      Se colectan muestras de diferentes microorganismos de las chimeneas de cerro Machin. A partir de lo anterior, se hará un estudio de las características físicas de los lípidos de los diferentes microorganismos recolectados. 

      Comportamiento biofísico de organismos asociados a chimeneas volcánicas

      Duration: 12 months

      PR.6.2023.10627

      Se colectan muestras de diferentes microorganismos de las chimeneas de cerro Machin. A partir de lo anterior, se hará un estudio de las características físicas de los lípidos de los diferentes microorganismos recolectados. 

  • 2006
    • Biofísica de membranas celulares

      Duration: 36 months

      PR.3.2005.286.cleidy