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Nexera UC

 Supercritical Fluid Chromatography System for Chiral Screening



 When considering analytical conditions for the analysis of chiral compounds, various combinations of   Combining the Nexera UC Chiral Screening System with Diacel columns
 analytical columns and mobile phases need to be evaluated through trial and error, resulting in considerable
            Here we present the results of screening 36 SFC analysis   Scouting conditions
 time and labour taken up by method development.
            conditions resulting from combinations of 12 Daicel columns
 This process can be streamlined and sped up signi cantly with the use of Shimadzu's Nexera UC Chiral
            and 3 modi ers using the Nexera UC Chiral Screening System.  Chiral columns for SFC
 Screening System for screening analytical conditions, in combination with Daicel's CHIRALPAK and CHIRALCEL   Because the system can switch automatically between
 series chiral separation columns.  modi ers and columns during analysis, the analysis can be   (1) CHIRALPAK  IA-3  (7) CHIRALPAK  AD-3
                                                                                        (8) CHIRALPAK  AS-3
                                                                       (2) CHIRALPAK  IB-3
            carried out continuously night or day, allowing for speedier   (3) CHIRALPAK  IC-3  (9) CHIRALPAK  AY-3
                                                                       (4) CHIRALPAK  ID-3  (10) CHIRALCEL  OD-3
            evaluation of analysis conditions. The example shown on this
                                                                       (5) CHIRALPAK  IE-3  (11) CHIRALCEL  OJ-3
            page was completed in one night.                           (6) CHIRALPAK  IF-3  (12) CHIRALCEL  OZ-3
              Data can be collected by simply setting the samples and   All columns have I.D. 3.0 mm, length 100 mm, particle size 3  m
            mobile phases and initiating analysis, resulting in a signi cant
                                                                       Modi ers
            reduction in labor. The user is free to carry out other tasks
            while analysis is in progress, increasing the overall productivity   (1) Methanol
                                                                       (2) Ethanol
            of the lab.                                                (3) Acetonitrile/Ethanol = 75/25 (V/V)
              In addition, Shimadzu's LabSolutions HPLC workstation data   For all analyses CO2/modi er = 8/2 (V/V)
            browser assists in fast and reliable data processing after
                                                                             Automatic analysis for all
            evaluation of chiral analysis conditions. A large amount of
                                                                         36 SFC chiral screening conditions
            scouting data can be viewed at once, along with
            chromatogram data such as retention times, area values,
            separation values, and symmetry factors.



                             Modi er : MeOH                                  Modi er : ACN/EtOH = 75/25 (v/v)
                     IA         IB         IC         ID                   IA         IB         IC         ID

 Evaluating analytical conditions with the Nexera UC Chiral Screening System
                     IE         IF         AD         AS                   IE         IF         AD         AS
 When using the system for supercritical  uid chromatography (SFC) analysis of chiral compounds, with the mobile phase being
 a supercritical  uid with high diffusivity, it is possible to carry out analysis in 1/3 to 1/5 the time compared to a conventional
                    AY         OD          OJ         OZ                   AY        OD          OJ         OZ
 HPLC system. The Nexera UC Chiral Screening System not only allows for SFC analysis, but can also automatically switch
 between up to 12 columns, 4 modi ers, and blends of those modi ers during analysis, greatly reducing the overall work ow.
 With the dedicated software, "Method Scouting
                             Modi er : EtOH                           mAU
 Solution", the columns and modi ers to be used can
 be managed in a database, and various analytical   IA  IB  IC  ID     CHIRALCEL OZ-3/SFC
                                                                       MeOH
                                                                    600
 conditions can be applied by simply selecting them
 from the graphical user interface (GUI).
                     IE         IF         AD         AS            400             Resolution: 7.97
 It supports evaluation of analytical conditions in
 multiple ways: calculating modi er and sample                      200
 amounts required, prevention of degradation through   AY  OD  OJ  OZ
 column rinsing and changeover of enclosed  uids                     0
 post-analysis, and prediction of analysis completion                0.0    1.0   2.0    3.0    4.0   min
 times.                                                 Screening Results






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