Abstract #2800
            A new low volume NMR tube for in-vitro hyperpolarized 13 C experiments of prostate cancer cell suspensions
                      Vincent Breukels                     1                    , Cees F.J. Jansen                     2                    , 						Jack J.A. van Asten                     1                    , Jan W.M. van Os                     3                    , 						Andrea Capozzi                     4                    , P. Jan M. van Bentum                     3                    , 						Arnaud Comment                     4                    , and Tom W.J. Scheenen                     1          
            
            1
           
           Radiology, Radboud University Medical 
						Center, Nijmegen, Gelderland, Netherlands,
           
            2
           
           Urology, 
						Radboud University Medical Center, Nijmegen, Gelderland, 
						Netherlands,
           
            3
           
           Institute 
						for Molecules and Materials, Radboud University, 
						Nijmegen, Gelderland, Netherlands,
           
            4
           
           Laboratory 
						for Functional and Metabolic Imaging, cole 
						Polytechnique Fdrale de Lausanne, Lausanne, 
						Switzerland
          
            
           In-vitro
          
          experiments 
						of hyperpolarized
          
           13
          
          C 
						substrates is a valuable tool to study normal and 
						pathogenic metabolic processes. Commonly these 
						experiments are performed in cell suspensions containing 
						between 25  100 million cells. We developed a low 
						volume, low number of cells setup. Using two prostate 
						cancer cell lines we show that accurate quantification 
						of metabolic conversion and perfect resolution (< 1Hz 
						linewidth) can be obtained with as little as two million 
						cells. Our setup expands the use of hyperpolarized MR 
						beyond immortalized cell lines, such as primary cell 
						cultures, for which high number of cells cannot be 
						obtained.
         
				
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