18th Workshop on Targetry and Target Chemistry (WTTC18)
from
Sunday, 21 August 2022 (01:00)
to
Friday, 26 August 2022 (18:00)
Monday, 15 August 2022
Tuesday, 16 August 2022
Wednesday, 17 August 2022
Thursday, 18 August 2022
Friday, 19 August 2022
Saturday, 20 August 2022
Sunday, 21 August 2022
17:30
Registration and Welcome Reception
Registration and Welcome Reception
17:30 - 19:30
Monday, 22 August 2022
08:00
Production of 67Cu at the TR-FLEX Cyclotron
-
Santiago Brühlmann
(
Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research
)
Production of 67Cu at the TR-FLEX Cyclotron
Santiago Brühlmann
(
Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research
)
08:00 - 08:20
08:20
Cyclotron Based Production of Zr-89 & Other Radiometals Using a Newly Designed Solid Target Insert
-
Mukesh Pandey
(
Mayo Clinic Rochester MN USA
)
Cyclotron Based Production of Zr-89 & Other Radiometals Using a Newly Designed Solid Target Insert
Mukesh Pandey
(
Mayo Clinic Rochester MN USA
)
08:20 - 08:40
08:40
Spark Plasma Sintering Technique for Cyclotron Solid Target Manufacturing
-
Sara Cisternino
(
National Institute for Nuclear Physics, Legnaro National Laboratories (INFN-LNL), Legnaro (PD), Italy
)
Spark Plasma Sintering Technique for Cyclotron Solid Target Manufacturing
Sara Cisternino
(
National Institute for Nuclear Physics, Legnaro National Laboratories (INFN-LNL), Legnaro (PD), Italy
)
08:40 - 09:00
09:00
Production of 55Co Using Pressed Nickel and Magnesium Foils
-
Jonathan Siikanen
(
Karolinska Institutet, Department of Oncology and Pathology
)
Production of 55Co Using Pressed Nickel and Magnesium Foils
Jonathan Siikanen
(
Karolinska Institutet, Department of Oncology and Pathology
)
09:00 - 09:20
09:20
Installation and Testing of an ARTMS QIS™ at the Saskatchewan Centre for Cyclotron Sciences
-
Dale Schick-Martin
(
Fedoruk Centre
)
Installation and Testing of an ARTMS QIS™ at the Saskatchewan Centre for Cyclotron Sciences
Dale Schick-Martin
(
Fedoruk Centre
)
09:20 - 09:40
09:40
Thin Titanium Targets for Nuclear Cross Section Measurements of the 49,50Ti(p,x)47Sc Reactions
-
Sara Cisternino
(
INFN-LNL
)
Thin Titanium Targets for Nuclear Cross Section Measurements of the 49,50Ti(p,x)47Sc Reactions
Sara Cisternino
(
INFN-LNL
)
09:40 - 10:00
10:00
Morning Break
Morning Break
10:00 - 10:30
10:30
Possible Material-Saving Approach of Sputtering Techniques for Radiopharmaceutical Target Production
-
Alisa Kotliarenko
(
LNL INFN
)
Possible Material-Saving Approach of Sputtering Techniques for Radiopharmaceutical Target Production
Alisa Kotliarenko
(
LNL INFN
)
10:30 - 10:50
10:50
Cyclotron Beam Characterization for Radionuclide Production on Solid Targets
-
Keller George
(
Medical Imaging, UWO; ARTMS
)
Cyclotron Beam Characterization for Radionuclide Production on Solid Targets
Keller George
(
Medical Imaging, UWO; ARTMS
)
10:50 - 11:10
11:10
Towards Optimized Production of 155Tb with Solid Targets at the Bern Medical Cyclotron
-
Gaia Dellepiane
(
Albert Einsten Center for Fundamental Physics (AEC), Laboratory for High Energy Physics (LHEP), University of Bern
)
Towards Optimized Production of 155Tb with Solid Targets at the Bern Medical Cyclotron
Gaia Dellepiane
(
Albert Einsten Center for Fundamental Physics (AEC), Laboratory for High Energy Physics (LHEP), University of Bern
)
11:10 - 11:30
11:30
Targetry Advancements for Isotope Production at Texas A&M
-
Laura McCann
(
Texas A&M University
)
Targetry Advancements for Isotope Production at Texas A&M
Laura McCann
(
Texas A&M University
)
11:30 - 11:50
11:50
Producing High Purity 43,47Sc: Production, Purification, and Characterization Utilizing Enriched [46,50Ti]TiO2 Targets
-
Shelbie Cingoranelli
(
university of alabama at birmingham
)
Producing High Purity 43,47Sc: Production, Purification, and Characterization Utilizing Enriched [46,50Ti]TiO2 Targets
Shelbie Cingoranelli
(
university of alabama at birmingham
)
11:50 - 12:10
12:10
LUNCH
LUNCH
12:10 - 13:40
13:40
Production and Purification of Lead-203 (203Pb) for Radiochemistry and Preclinical Studies
-
FNU shefali
(
University of Alabama, Birmingham
)
Production and Purification of Lead-203 (203Pb) for Radiochemistry and Preclinical Studies
FNU shefali
(
University of Alabama, Birmingham
)
13:40 - 14:00
14:00
Ionic Liquids as Novel Extractants for Separation of Lanthanides and Actinides
-
Ivis Chaple
(
Los Alamos National Laboratory
)
Ionic Liquids as Novel Extractants for Separation of Lanthanides and Actinides
Ivis Chaple
(
Los Alamos National Laboratory
)
14:00 - 14:20
14:20
Targetry and Purification of 52Mn for PET/MR Imaging Agents
-
Jennifer Pyles
(
University of Alabama at Birmingham
)
Targetry and Purification of 52Mn for PET/MR Imaging Agents
Jennifer Pyles
(
University of Alabama at Birmingham
)
14:20 - 14:40
14:40
Titanium-45 (45Ti) Radiochemistry for Development of PET Radiopharmaceuticals
-
FNU shefali
Titanium-45 (45Ti) Radiochemistry for Development of PET Radiopharmaceuticals
FNU shefali
14:40 - 15:00
15:00
Afternoon break
Afternoon break
15:00 - 15:30
15:30
Poster Session I (15:30 to 16:30)
Poster Session I (15:30 to 16:30)
15:30 - 16:30
Tuesday, 23 August 2022
08:00
New Methods for Theranostic Radioisotope Production with Solid Targets at the Bern Medical Cyclotron
-
Saverio Braccini
(
AEC-LHEP University of Bern
)
New Methods for Theranostic Radioisotope Production with Solid Targets at the Bern Medical Cyclotron
Saverio Braccini
(
AEC-LHEP University of Bern
)
08:00 - 08:20
08:20
Automated and Hard-Wired Safety Systems for Radionuclide Production: the Jülich Cyclotron Interlock System
-
Stefan Spellerberg
(
Forschungszentrum Jülich
)
Automated and Hard-Wired Safety Systems for Radionuclide Production: the Jülich Cyclotron Interlock System
Stefan Spellerberg
(
Forschungszentrum Jülich
)
08:20 - 08:40
08:40
Enhanced Exit Flange and High Current Collimator for GE PETtrace
-
Matthew Stokely
(
BTI Targety LLC
)
Enhanced Exit Flange and High Current Collimator for GE PETtrace
Matthew Stokely
(
BTI Targety LLC
)
08:40 - 09:00
09:00
Design, Construction, Installation, and Refinement of a New Compact Radioisotope Production Station at the University of Washington Medical Cyclotron Facility
-
Eric Dorman
(
University of Washington Medical Cyclotron Facility
)
Design, Construction, Installation, and Refinement of a New Compact Radioisotope Production Station at the University of Washington Medical Cyclotron Facility
Eric Dorman
(
University of Washington Medical Cyclotron Facility
)
09:00 - 09:20
09:20
Nuclear Cross Section Measurements of the 48,49,50Ti(p,x)47Sc Reactions: Preliminary Results of the REMIX Project
-
Gaia Pupillo
(
INFN-LNL
)
Nuclear Cross Section Measurements of the 48,49,50Ti(p,x)47Sc Reactions: Preliminary Results of the REMIX Project
Gaia Pupillo
(
INFN-LNL
)
09:20 - 09:40
09:40
Development of Enriched Gadolinium Target for Cross Section Measurement and Future Production of Terbium
-
Yizheng WANG
(
Subatech Laboratory
)
Development of Enriched Gadolinium Target for Cross Section Measurement and Future Production of Terbium
Yizheng WANG
(
Subatech Laboratory
)
09:40 - 10:00
10:00
Morning Break
Morning Break
10:00 - 10:30
10:30
Development of Radium-226 Targets for 226Ra(g,n)225Ra Nuclear Cross-Section Measurement and Actinium-225 Production at SCK CEN
-
Hanna Skliarova
(
SCK CEN
)
Development of Radium-226 Targets for 226Ra(g,n)225Ra Nuclear Cross-Section Measurement and Actinium-225 Production at SCK CEN
Hanna Skliarova
(
SCK CEN
)
10:30 - 10:50
10:50
Locally Inclined Target Holder with High-Efficiency Cooling for Nirta Solid Target Module
-
Ruben Dallakyan
(
A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation
)
Locally Inclined Target Holder with High-Efficiency Cooling for Nirta Solid Target Module
Ruben Dallakyan
(
A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation
)
10:50 - 11:10
11:10
Alpha Irradiation of Germanium Metal Targets for Production of High Specific Activity 72Se/72As: Challenges Associated with Thick Target Preparation
-
Sean Tanzey
Alpha Irradiation of Germanium Metal Targets for Production of High Specific Activity 72Se/72As: Challenges Associated with Thick Target Preparation
Sean Tanzey
11:10 - 11:30
11:30
New Metallic Germanium Target Fabrication and Dissolution Techniques for the Cyclotron Production of Positron-Emitting 71As and 72As
-
Yi-Hsuan Lo
New Metallic Germanium Target Fabrication and Dissolution Techniques for the Cyclotron Production of Positron-Emitting 71As and 72As
Yi-Hsuan Lo
11:30 - 11:50
11:50
76/77Br: Production, Isolation, Labeling, and Shipping – Advances and Dosimetric Investigations
-
Jason Mixdorf
76/77Br: Production, Isolation, Labeling, and Shipping – Advances and Dosimetric Investigations
Jason Mixdorf
11:50 - 12:10
12:10
LUNCH
LUNCH
12:10 - 13:40
13:40
A Reverse 230U/226Th Radionuclide Generator for Targeted Alpha Therapy Applications
-
MICHAEL FASSBENDER
(
Los Alamos National Laboratory
)
A Reverse 230U/226Th Radionuclide Generator for Targeted Alpha Therapy Applications
MICHAEL FASSBENDER
(
Los Alamos National Laboratory
)
13:40 - 14:00
14:00
TRIGA Reactor Production and Synergistic Separation of Tb-161 from Enriched Gd-160 Targets
-
Connor Holiski
(
University of Utah
)
TRIGA Reactor Production and Synergistic Separation of Tb-161 from Enriched Gd-160 Targets
Connor Holiski
(
University of Utah
)
14:00 - 14:20
14:20
First Impressions of a Multipurpose Solid Target Platform
-
Johan Svedjehed
(
GE Healthcare
)
First Impressions of a Multipurpose Solid Target Platform
Johan Svedjehed
(
GE Healthcare
)
14:20 - 14:40
14:40
Comparison of Dowex AG1-X8 and Poros XQ Anion Exchange Resins for 72Se/72As Generator Development
-
Chathurya Munindradasa
(
Department of Chemistry, University of Missouri, Columbia, MO, USA
)
Comparison of Dowex AG1-X8 and Poros XQ Anion Exchange Resins for 72Se/72As Generator Development
Chathurya Munindradasa
(
Department of Chemistry, University of Missouri, Columbia, MO, USA
)
14:40 - 15:00
15:00
Afternoon Break
Afternoon Break
15:00 - 15:30
15:30
15:30 - 16:30
19:00
Gala Dinner - Top of the Mountain
Gala Dinner - Top of the Mountain
19:00 - 21:00
Wednesday, 24 August 2022
08:00
Failure of the Isotope Production Facility Beam Window Assembly at Los Alamos National Laboratory
-
Ellen O'Brien
(
LANL
)
Failure of the Isotope Production Facility Beam Window Assembly at Los Alamos National Laboratory
Ellen O'Brien
(
LANL
)
08:00 - 08:20
08:20
Estimating 225Ac Yield in Thorium Targets
-
D. Mark Martinez
(
University of British Columbia
)
Estimating 225Ac Yield in Thorium Targets
D. Mark Martinez
(
University of British Columbia
)
08:20 - 08:40
08:40
Characterizing the Thermal Performance of Isotope Production Targets
-
Jonathan Morrell
(
Los Alamos National Laboratory
)
Characterizing the Thermal Performance of Isotope Production Targets
Jonathan Morrell
(
Los Alamos National Laboratory
)
08:40 - 09:00
09:00
Isotope Production Activities at LBNL: The Tri-Lab Effort in Nuclear Data (TREND), and Novel Production Pathways for 225Ac
-
Andrew Voyles
(
UC Berkeley / LBNL
)
Isotope Production Activities at LBNL: The Tri-Lab Effort in Nuclear Data (TREND), and Novel Production Pathways for 225Ac
Andrew Voyles
(
UC Berkeley / LBNL
)
09:00 - 09:20
09:20
Software for Yield and Target Power Optimization
-
Jonathan Siikanen
(
Department of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, Sweden
)
Software for Yield and Target Power Optimization
Jonathan Siikanen
(
Department of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, Sweden
)
09:20 - 09:40
09:40
Investigation of Subcooled Flow Boiling at the LANL Isotope Production Facility
-
Jee Hyun Seong
(
LANL
)
Investigation of Subcooled Flow Boiling at the LANL Isotope Production Facility
Jee Hyun Seong
(
LANL
)
09:40 - 10:00
10:00
Morning break
Morning break
10:00 - 10:30
10:30
A Therapeutic Goldilocks Radioisotope $^{67}$Cu Produced at a Biomedical Cyclotron
-
Ursula Søndergaard
(
University Hospital of North Norway
)
A Therapeutic Goldilocks Radioisotope $^{67}$Cu Produced at a Biomedical Cyclotron
Ursula Søndergaard
(
University Hospital of North Norway
)
10:30 - 10:50
10:50
Improvement of the Molar Activity of Lead-203 via Targetry and Chromatographic Approaches
-
Brooke L. McNeil
(
SFU/TRIUMF
)
Improvement of the Molar Activity of Lead-203 via Targetry and Chromatographic Approaches
(Modeling)
Brooke L. McNeil
(
SFU/TRIUMF
)
10:50 - 11:10
11:10
Targetry and Purification of Tb from natGd Targets
-
Jennifer Pyles
(
University of Alabama at Birmingham
)
Targetry and Purification of Tb from natGd Targets
Jennifer Pyles
(
University of Alabama at Birmingham
)
11:10 - 11:30
11:30
Electroplating and Recycling Chromium Targets for 52Mn Production
-
Margarita Chernysheva
(
University of Wisconsin-Madison
)
Electroplating and Recycling Chromium Targets for 52Mn Production
Margarita Chernysheva
(
University of Wisconsin-Madison
)
11:30 - 11:50
11:50
Zinc Electrodeposition at Constant Current for Cyclotron Production of Gallium Radioisotopes
-
Isaac Velazquez-Carreon
(
Universidad Nacional Autónoma de México
)
Zinc Electrodeposition at Constant Current for Cyclotron Production of Gallium Radioisotopes
Isaac Velazquez-Carreon
(
Universidad Nacional Autónoma de México
)
11:50 - 12:10
12:10
Lunch
Lunch
12:10 - 13:30
13:30
Free Time
Free Time
13:30 - 19:00
Thursday, 25 August 2022
08:00
Arsenic Recovery from Irradiated Germanium Targets
-
Guy Dutech
(
Los Alamos National Laboratory
)
Arsenic Recovery from Irradiated Germanium Targets
Guy Dutech
(
Los Alamos National Laboratory
)
08:00 - 08:20
08:20
Radiochemical Separation of 230U as a By-Product from 225Ac Production to Evaluate Its Chelation for Potential Application in Targeted Alpha Therapy
-
Gokce Engudar
Radiochemical Separation of 230U as a By-Product from 225Ac Production to Evaluate Its Chelation for Potential Application in Targeted Alpha Therapy
Gokce Engudar
08:20 - 08:40
08:40
An Aluminum-Indium-Silver Sealed Solid Cyclotron Target for High Yield Radiometal Production
-
Bryce Nelson
(
University of Alberta
)
An Aluminum-Indium-Silver Sealed Solid Cyclotron Target for High Yield Radiometal Production
Bryce Nelson
(
University of Alberta
)
08:40 - 09:00
09:00
Production of 165Er by Deuteron
-
isidro da silva
(
CNRS CEMHTI
)
Production of 165Er by Deuteron
isidro da silva
(
CNRS CEMHTI
)
09:00 - 09:20
09:20
Production of 119Sb for Pre-Clinical Targeted Radionuclide Therapy
-
Aeli Olson
(
University of Wisconsin-Madison
)
Production of 119Sb for Pre-Clinical Targeted Radionuclide Therapy
Aeli Olson
(
University of Wisconsin-Madison
)
09:20 - 09:40
09:40
Determination of Distribution Coefficients of Mercury and Gold on Selected Extraction Chromatographic Resins
-
Shaohuang Chen
(
TRIUMF
)
Determination of Distribution Coefficients of Mercury and Gold on Selected Extraction Chromatographic Resins
Shaohuang Chen
(
TRIUMF
)
09:40 - 10:00
10:00
Morning Break
Morning Break
10:00 - 10:30
10:30
Exploring the Chelation of the Exotic Meitner-Auger Emitter Mercury-197 with Sulfur-Containing Macrocycles
-
Marianna Tosato
(
Department of Chemical Sciences, University of Padova, Padova, Italy
)
Exploring the Chelation of the Exotic Meitner-Auger Emitter Mercury-197 with Sulfur-Containing Macrocycles
Marianna Tosato
(
Department of Chemical Sciences, University of Padova, Padova, Italy
)
10:30 - 10:50
10:50
Development of Novel Radiolabeling Strategies and Sulfur-Rich Ligands for Incorporation into Mercury-197m/g Radiopharmaceuticals
-
Parmissa Randhawa
(
TRIUMF, SFU
)
Development of Novel Radiolabeling Strategies and Sulfur-Rich Ligands for Incorporation into Mercury-197m/g Radiopharmaceuticals
Parmissa Randhawa
(
TRIUMF, SFU
)
10:50 - 11:10
11:10
Purification of Cyclotron-Produced Cobalt-55/58m from Copper and Iron
-
Wilson Lin
(
UW-Madison
)
Purification of Cyclotron-Produced Cobalt-55/58m from Copper and Iron
Wilson Lin
(
UW-Madison
)
11:10 - 11:30
11:30
Purifying Radioantimony for Targeted Radionuclide Therapy: Developments in Separating Antimony from Bulk Tin Target
-
Aivija Grundmane
(
TRIUMF/SFU
)
Purifying Radioantimony for Targeted Radionuclide Therapy: Developments in Separating Antimony from Bulk Tin Target
Aivija Grundmane
(
TRIUMF/SFU
)
11:30 - 11:50
11:50
LUNCH
LUNCH
11:50 - 13:40
13:40
Feedback on Energy Degraders Developed at Cyrcé Facility for Isotope Production
-
M. Pellicioli
(
IPHC-UMP7178
)
Feedback on Energy Degraders Developed at Cyrcé Facility for Isotope Production
M. Pellicioli
(
IPHC-UMP7178
)
13:40 - 14:00
14:00
The Jülich IBA Cyclone 30XP Facility
-
Stefan Spellerberg
(
Forschungszentrum Jülich
)
The Jülich IBA Cyclone 30XP Facility
Stefan Spellerberg
(
Forschungszentrum Jülich
)
14:00 - 14:20
14:20
Production of Radioisotopes Using Secondary Neutrons at the Brookhaven Linac Isotope Producer
-
Michael Skulski
(
Brookhaven National Laboratory
)
Production of Radioisotopes Using Secondary Neutrons at the Brookhaven Linac Isotope Producer
Michael Skulski
(
Brookhaven National Laboratory
)
14:20 - 14:40
14:40
Operations of a Multiuse Mid-Size Cyclotron Facility at the University of Alabama at Birmingham and the Impact of the RF System on Downtime
-
Jean-Pierre Appiah
(
The University of Alabama at Birmingham
)
Operations of a Multiuse Mid-Size Cyclotron Facility at the University of Alabama at Birmingham and the Impact of the RF System on Downtime
Jean-Pierre Appiah
(
The University of Alabama at Birmingham
)
14:40 - 15:00
15:00
Afternoon Break
Afternoon Break
15:00 - 15:30
15:30
Poster Session III
Poster Session III
15:30 - 16:30
WTTC Meeting (IAC and Scientific Advisory)
WTTC Meeting (IAC and Scientific Advisory)
15:30 - 17:00
Friday, 26 August 2022
08:00
Flow Fields Generated by a Proton Beam in Medical Cyclotron Liquid Targets
-
Mona Rahmani
(
University of British Columbia
)
D. Mark Martinez
(
University of British Columbia
)
Flow Fields Generated by a Proton Beam in Medical Cyclotron Liquid Targets
Mona Rahmani
(
University of British Columbia
)
D. Mark Martinez
(
University of British Columbia
)
08:00 - 08:20
08:20
Preliminary Results of Zinc-68 Recycling in Gallium-68 Liquid Target Routine Production
-
Antje Uhlending
(
Herz-und Diabeteszentrum NRW
)
Preliminary Results of Zinc-68 Recycling in Gallium-68 Liquid Target Routine Production
Antje Uhlending
(
Herz-und Diabeteszentrum NRW
)
08:20 - 08:40
08:40
68Ga Production in Liquid Target: Determination of Solubility of ZnCl2 in Hydrochloric-Acid Solutions
-
Fodor Mátyás
(
University of Debrecen, Doctoral School of Chemistry, PO Box 400, H-4002 Debrecen, HungaryDebrecen, Hungary
)
68Ga Production in Liquid Target: Determination of Solubility of ZnCl2 in Hydrochloric-Acid Solutions
Fodor Mátyás
(
University of Debrecen, Doctoral School of Chemistry, PO Box 400, H-4002 Debrecen, HungaryDebrecen, Hungary
)
08:40 - 09:00
09:00
Microfluidic Solvent Extraction of 68Ga from Zinc Nitrate Liquid Targets
-
Svenja Trapp
(
Delft University of Technology
)
Microfluidic Solvent Extraction of 68Ga from Zinc Nitrate Liquid Targets
Svenja Trapp
(
Delft University of Technology
)
09:00 - 09:20
09:20
103Pd Production Utilizing Liquid Target Set-Up
-
Viktoria Krol
(
TRIUMF, University of Edinburgh
)
103Pd Production Utilizing Liquid Target Set-Up
Viktoria Krol
(
TRIUMF, University of Edinburgh
)
09:20 - 09:40
09:40
Characterization of a Cyclotron Liquid Target Using Thick Niobium Target Windows with Thermal Simulation Studies
-
Sergio do Carmo
(
ICNAS-Produção Unipessoal Lda.
)
Characterization of a Cyclotron Liquid Target Using Thick Niobium Target Windows with Thermal Simulation Studies
Sergio do Carmo
(
ICNAS-Produção Unipessoal Lda.
)
09:40 - 10:00
10:00
Morning Break
Morning Break
10:00 - 10:30
10:30
Synthesis, Purification, and Dosing Systems to Localize Nitrogen and Carbon Fixation by Biological Soil Crusts from a Glacier Foreland
-
Steven Siciliano
(
University of Saskatchewan
)
Synthesis, Purification, and Dosing Systems to Localize Nitrogen and Carbon Fixation by Biological Soil Crusts from a Glacier Foreland
Steven Siciliano
(
University of Saskatchewan
)
10:30 - 10:50
10:50
Long-Term Trends in [11C]Methyl Triflate
-
Todd Barnhart
(
University of Wisconsin Madison
)
Long-Term Trends in [11C]Methyl Triflate
Todd Barnhart
(
University of Wisconsin Madison
)
10:50 - 11:10
11:10
Closing Remarks
Closing Remarks
11:10 - 12:10
12:10
Lunch (bagged lunch) -- end of day
Lunch (bagged lunch) -- end of day
12:10 - 12:30