Lysine triggered ratiometric conversion of dynamic to static excimer of a pyrene derivative: aggregation-induced emission, nanomolar detection and human breast cancer cell (MCF7) imaging
Ghosh, Abhijit; Sengupta, Archya; Chattopadhyay, Ansuman; Das, Debasis; Chemical Communications (Cambridge, United Kingdom) 51 (2015) 11455–11458; doi:10.1039/c5cc02389k

data_7117431
_publ_section_title
;
 Lysine triggered ratiometric conversion of dynamic to static excimer of a
 pyrene derivative: aggregation-induced emission, nanomolar detection and
 human breast cancer cell (MCF7) imaging
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   57
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              11455
_journal_page_last               11458
_journal_paper_doi               10.1039/c5cc02389k
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C26 H21 N O'
_chemical_formula_weight         363.44
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2014-06-09 deposited with the CCDC.
2015-06-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.781(6)
_cell_angle_gamma                90
_cell_formula_units_Z            8
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_cell_measurement_temperature    296(2)
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_cell_measurement_theta_min      2.76
_cell_volume                     3851.9(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0775
_diffrn_reflns_av_unetI/netI     0.0498
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       12
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_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            35240
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.480
_diffrn_reflns_theta_min         2.517
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.253
_exptl_crystal_description       Rectangular
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.185
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         4832
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1117
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0669P)^2^+0.0574P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.1454
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2521
_reflns_number_total             4832
_reflns_threshold_expression     'I > 2\s(I)'
_cod_duplicate_entry             7117413
_cod_data_source_file            c5cc02389k2.cif
_cod_data_source_block           A3_1_a
_cod_database_code               7117431