Ratiometric Fluorescent Sensor Based on Inhibition of Resonance for Detection of Cadmium in Aqueous Solution and Living Cells
Lin Xue; Guoping Li; Qing Liu; Huanhuan Wang; Chun Liu; Xunlei Ding; Shenggui He; Hua Jiang; Inorganic Chemistry 50 (2011) 3680–3690; doi:10.1021/ic200032e

data_4324899
_publ_section_title
;
 Ratiometric Fluorescent Sensor Based on Inhibition of Resonance for
 Detection of Cadmium in Aqueous Solution and Living Cells
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3680
_journal_page_last               3690
_journal_paper_doi               10.1021/ic200032e
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C29 H39 N7 O10 Zn'
_chemical_formula_weight         711.04
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                83.71(3)
_cell_angle_beta                 89.65(3)
_cell_angle_gamma                78.83(3)
_cell_formula_units_Z            4
_cell_length_a                   8.6084(17)
_cell_length_b                   15.590(3)
_cell_length_c                   24.663(5)
_cell_measurement_reflns_used    10892
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.8704
_cell_measurement_theta_min      1.6616
_cell_volume                     3227.3(12)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113.1500
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0350
_diffrn_reflns_av_sigmaI/netI    0.0536
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            29299
_diffrn_reflns_theta_full        27.85
_diffrn_reflns_theta_max         27.85
_diffrn_reflns_theta_min         1.65
_diffrn_source_current           16.0000
_diffrn_source_power             0.8000
_diffrn_source_voltage           50.0000
_exptl_absorpt_coefficient_mu    0.828
_exptl_absorpt_correction_T_max  0.8519
_exptl_absorpt_correction_T_min  0.8519
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless?
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_description       block
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.454
_refine_diff_density_min         -0.557
_refine_diff_density_rms         0.082
_refine_ls_extinction_coef       0.0175(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     858
_refine_ls_number_reflns         15069
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0507
_refine_ls_R_factor_gt           0.0394
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0557P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0937
_refine_ls_wR_factor_ref         0.1004
_reflns_number_gt                12088
_reflns_number_total             15069
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic200032e_si_002_2.cif
_cod_data_source_block           Zn-DQCd1
_cod_original_cell_volume        3227.2(11)
_cod_database_code               4324899