Patent ID: 7535223

Claim:
A method for detection and spectral editing in magnetic resonance spectroscopy comprising the steps of: sequentially irradiating a modified DEPT sequence comprising a plurality of RF pulses into a subject at respective, defined time intervals relative to each other, so that at no time are different phase coherent RF pulses irradiated concurrently overlapping, said subject containing a first nuclear spin system A exhibiting a high spin population difference between at least two energy levels of said first nuclear spin system, and a second nuclear spin system X having a low spin population difference between at least two energy levels of said second nuclear spin system; in said modified DEPT sequence, irradiating a first A-selective 90 x ° RF pulse that excites the atomic nuclei with said high spin population difference, irradiating the center of a second A-selective 180 x ° RF pulse after a time τ 1 +τ 2 starting from the center of said first A-selective RF pulse, irradiating the center of a third X-selective 90 x ° RF pulse after a time τ 2 the starting from the center of said first A-selective RF pulse, irradiating the center of a fourth A-selective θ y RF pulse after a time τ 1 starting from the center of said third X-selective RF pulse, irradiating the center of a fifth X-selective 180 x ° RF pulse after a time τ 3 starting from the center of said fourth A-selective RF pulse; acquiring a magnetic resonance signal from atomic nuclei in said second nuclear spin system by detecting an FID signal therefrom after a time τ 3 +τ 1 starting from the center of said fifth X-selective RF pulse; said sequential succession of said RF pulses producing a polarization transfer between atomic nuclei of the respective first and second spin systems by transferring said high spin population different of said first nuclear spin system to said energy levels of said second nuclear spin system; and said sequence of said RF pulses in respective domains of said atomic nuclei of said first and second nuclear spin systems being completely symmetric.