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Nexera UC Prep                                                                                                              Benchtop system that can be installed anywhere

            Semi Preparative Supercritical Fluid Chromatography System                                                                Usually a chiller is required to cool the solvent delivery pump when pumping CO2 at high  ow rates. However, the Nexera UC Prep
                                                                                                                                      features a compressor-type cooling unit, reducing the size of the system and allowing it to be installed anywhere. Its footprint is
                                                                                                                                      equivalent to an analysis-scale SFC system.
            The Nexera UC Prep is a new preparative supercritical  uid chromatography system that offers both the high
            performance achieved in the analytical Nexera UC model and additional state-of-the-art preparative SFC
            technologies.                                                                                                                   Coolant line  Pump
                                                                                                                                                       CO2
               It resolves a number of issues in preparative tasks, allowing users to overhaul their work ow, reducing                                                                                                 CO2 Pump
            labor and improving ef ciency. Not only does the Nexera UC Prep achieve superior fractionation recovery                                                                          Footprint is      84      Cooling
                                                                                                                                                                                             reduced by                unit
            rates, it provides  exible system con gurations in a compact design, requiring low installation space and
            allowing you to maximize lab resources.                                                                                                                                             40%                       126



                                                                                                                                           Chiller
                                                                                                                                                     Conventional preparative SFC system                              Nexera UC Prep



                                                                                                                                        Stacked injection function eliminates waiting time

                                                                                                                                      Normal injection wastes time between peak elutions. Using the Nexera UC Prep’s stacked injection function, samples can be
                                                                                                                                      injected continuously without any waiting time, enabling more samples to be processed. Settings for this function can be
                                                                                                                                      speci ed easily in the dedicated software.


                                                                                                                                                   Normal injection
                                                                                                                                                                  Fractionation
                                                                                                                                                    Waiting time

                                                                                                                                                                                                   3 injections




              High recovery rates                                                                                                                Injection                           10.5 min
                                                                                                                                                                                                           3x more injections
            In preparative SFC, one factor that results in lower recovery rates is increased dispersion of the eluant when the                      Stacked injection (9 consecutive injections)
            CO2 returns suddenly from a supercritical to a gaseous state. The Nexera UC Prep’s patented gas-liquid separator,                       Waiting time  Fractionation
            the LotusStream separator, successfully reduces sample dispersion and carryover, while also achieving high                                        (1)  (2)  (3)  (4)  (5)  (6)  (7)  (8)  (9)
                                                                                                                                                                                                   9 injections
            recovery rates. These high recovery rates can be obtained regardless of  ow rate or modi er concentration, even
            for volatile compounds such as the fragrance linalool.

                                                                                                                                                                                     10.5 min
                          Comparison for 1% linalool             LotusStream separator                                                             (1)  (2)  (3)  (4)  (5)  (6)  (7)  (8)  (9)
                                                                                                        Eluent                                   Injection
                    Equipment             Recovery rate          (patented technology)                                                                      Chiral separation of warfarin
                Conventional separator       78.0%             Decreases  ow speeds without
                LotusStream separator        96.7%             increasing the tubing diameter by                                        Compatible with multiple detectors (max. 4 channels)
                                                               splitting  ow through multiple  ow
                                                               channels. The CO2 is discharged               CO2                      If only the UV signal is used as a trigger in the preparative work ow, components with low UV absorption are dif cult to
                                                               externally while the liquid travels                                    separate and there is also a risk of accidentally fractionating unseparated components in the same detection channel. By
                                                               along the column and drips directly                                    using the MS signal as the trigger, high-purity fractions can be recovered simply by specifying the m/z value of the target
                                                               below without dispersing the eluate.     Liquid                        components.


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