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Scientific Associate of

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ICO Awards

Affiliated Commission of

M3: Photodynamic Therapy

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Universidad de Costa Rica,
San José de Costa Rica, Costa Rica

Photodynamic Therapy.

Date & Time: May 3rd 2012 (2:00 PM – 4:0 PM)
Course Level: Intermediate 
Instructor: Prof. Humberto Cabrera, Venezuelan Institute for Scientific Research (IVIC), Bolivarian Republic of Venezuela, and regular associate at the International Centre for Theoretical Physics (ICTP), Italy.

This course review fundamental concepts and principles of action of photodynamic therapy (PDT). This introduction will provide some background on general mechanisms, cellular targets, the influence of drug and light doses on the effectiveness of photodynamic action. The lectures also present the characteristics of most common used photosensitizers in PDT, emphasizing on Chlorine e6-based photosensitizers, dosimetric and determination of drug and light doses. It serves as an overview on well-established methods of PDT, whose applications will be covered in depth in a second course. The course covers the following topics: (i) Photodynamic therapy: principles of action (ii) Pharmacodynamics and pharmacokinetics data. (iii) Photosensitizers for PDT. (iv) Chlorine e6-based photosensitizers.

Co-doped semiconductors for laser active medium. Experimental course (with Lab).

Date & Time: May 4th 2012 (11:30 AM – 12:30 PM and 4:30 PM – 5:30 PM) 
Course Level: Advanced 
Instructor: Prof. Humberto Cabrera, Venezuelan Institute for Scientific Research (IVIC), Bolivarian Republic of Venezuela, and regular associate at the International Centre for Theoretical Physics (ICTP), Italy.

This course will present the preparation and growth of II-VI semiconductors single crystals doped with traditional one doping and new co-doping technique with two rare earths. Photoluminescence measurements showed that this new co-doping technique made these materials excellent candidates for solid-state lasers in the visible range. In addition, these materials have emission spectra within the “therapeutic window” of human body which could have very important clinical utility. The photoluminescence spectrum will be discussed. During the course the students will have the possibility to see some of co-doped semiconductors and to perform basic photoluminescence measurements.

Photodynamic Therapy in Bolivarian Republic of Venezuela.

Date & Time: May 4th 2012 (2:00 PM – 4:00 PM) 
Course Level: Introductory
Instructor: Prof. Jorge Castro, Hospital Oncology Service of IVSS, Caracas, Bolivarian Republic of Venezuela.

This course provides a comprehensive description of methods and protocols specifically related to relevant results with patients and clinical procedures used in PDT in Bolivarian Republic of Venezuela. A description of the development of PDT at Hospital Oncology Service of IVSS in Caracas is included. The course covers the following topics: (i) Photodynamic therapy for non-melanoma skin cancer. (ii) Results in Venezuelan patients using chlorine derivatives.