Final Program

Final Program

Sessions will address recent advances in following focus areas. Click the button below to download a PDF.

Conference Program & Abstracts (PDF)

Sunday, September 25; 4:00pm-5:30 pm
Opening Lecture

Sunday, September 25; 5:30pm-6:15 pm
Poster Session

Sunday, September 25; 6:15pm-7:15 pm
Opening Reception

Monday, September 26-Wednesday, September 28
Exciting Symposia and Sessions listed below.

DNA damage repair and response

Monday, September 26; 8:00am-10:30am
Impact of Circadian Rhythm and Aging on UV DNA Damage Responses and Photocarcinogenesis
Co-Chairs: Shobhan Gaddameedhi and Michael G. Kemp

Tuesday, September 27; 8:00am-9:25am
UV Damage and Repair in Chromatin
Chair: John Wyrick

Tuesday, September 27; 10:00am-12:30pm
UV-induced responses and skin cancer
Chair: Masaoki Kawasumi

Tuesday, September 27; 8:00am-11:00am
Photochemistry and Photobiology of Melanin Pigments
Chair: Tadeusz Sarna

Mechanism and protection of UV-induced damage and cancer

Monday, September 26; 2:00pm-4:15pm
Natural Products in Prevention of Photodamage and Photocarcinogenesis
Co-chairs: Shiyong Wu and Hao Chang

Monday, September 26; 2:00pm-4:05pm
Recent Advances on UV-mediated Molecular Signaling in Cancer
Co-chairs: Dae Joon Kim and Yu-Ying He

Monday, September 26; 2:30pm-5:00pm
Solar photons and the skin exposome
Co-chairs: Georg Wondrak and Mauricio Baptista

From bench to the bedside: photodynamic therapy and photomedicine for cancer and other diseases

Tuesday, September 27; 1:15pm-4:15pm
ALA-PDT in Cancer Therapy
Chair: Edward Maytin

Tuesday, September 27; 10:00am-12:15pm
PDT in Imaging and Cancer Therapy
Co-chairs: Tayyaba Hasan and Girgis Obaid

Wednesday, September 28; 8:00am-10:05am
PDT and Combinations to Overcome Resistance in Cancer
Chair: Joe Huang

Wednesday, September 28; 1:30pm-3:35pm
From Predictions to Practice: Approaches to PDT Delivery
Co-chairs: Theresa Busch and Srivalleesha Mallidi

Wednesday, September 28; 10:30am-12:20pm
Nanotechnology In PDT
Co-chairs: Jon Lovell and Jin Xie

Photobiology and Photodamage of the eye and photoreceptors

Monday, September 26; 8:00am-10:30am
Photochemistry of Photoreceptors and Photosynthetic Systems
Chair: Xiaojing Yang

Photochemistry and Photophysics

Monday, September 26; 2:00pm-4:30pm
Protein Photo-oxidation: Mechanisms and Biological Consequences
Co-chairs: Mike Davies and Christian Schöneich

Tuesday, September 27; 8:00am-12:20am
Photochemistry and Photophysics in Materials
Co-chairs: Lisa Kelly and Ryan McCulla

Tuesday, September 27; 1:00pm-3:30pm
Photosensitized Reactions in Biomolecules and Carcinogenic Cells
Co-chairs: Carlos Crespo and Andrés Thomas

Tuesday, September 27; 2:00pm-3:50pm
Photophysics: In vivo Singlet Oxygen Detection and Dosimetry
Co-chairs: Steffen Hackbarth and Gal Shafirstein

General and applied photobiology

Monday, September 26; 8:00am-12:00pm
ASP-ESP 2022 Joint Symposium: New Paradigms in Photobiology
Co-chairs: Thierry Douki, Jean Krutmann


  • Akimichi Morita (Nagoya City University, Japan)
    • Selective UV spectra for the induction of regulatory T-cells.
  • Paul Barnes (New Orleans)
    • Plant responses to UV radiation in a rapidly changing climate
  • Patrick J. Rochette (Laval University, Quebec, Canada)
    • Influence of chronic UV irradiation and the dermis on DNA repair of UV-induced DNA damage
  • Thomas Rünger (Boston University, USA)
    • RNA – target and mediator of cellular responses to ultraviolet radiations
  • Thierry Douki (CEA-Grenoble, France)
    • DNA repair products as biomarkers of the genotoxicity of UV radiation
  • Thomas Haarmann-Stemmann (IUF Düsselfdorf, Germany)
    • Combination of UVA and UVB

Platform sessions

Events for Associate Members

Wednesday, September 28; 12:00pm-1:30pm
Moderator: Caradee Wright
Associate Member Co-Chairs: Houston Cole and Shakeela Jabeen

  • Theresa Busch
    • “Grant Writing: Hints and Hindrance”
  • Shiyong Wu
    • “Are You Ready for Applying for a Small Business Grant?”

Wednesday, September 28; 6:00pm-8:00pm
Associate Member Councilor Election

Keynote speakers

  • Monday, September 26; 11:00am-12:00pm
    David Lawrence
    • “Light-Triggered Drug Release from Cell-Conveyed Phototherapeutics”

  • Monday, September 26; 12:00pm-1:00pm
    Martin Schnermann
    • “Harnessing Cyanine Chemistry for Imaging and Drug Delivery”

  • Monday, September 26; 1:00pm-2:00pm
    Yu-Ying He
    • “UV radiation, DNA damage, and RNA modifications”

  • Wednesday, September 28; 12:30pm-1:30pm
    V. Ramamurthy
    • “Controlling Photochemical Processes with Confinement”

  • Wednesday, September 28; 1:30pm-2:30pm
    Xiaojing Yang
    • “How do Bilin-based Photoreceptors Sense Light”

  • Wednesday, September 28; 2:30pm-3:30pm
    David Sliney
    • “History of Photobiology”

ESP president lecture

Monday, September 26; 12:00pm-1:00pm
Amparo Faustino