char = C;code = 67
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = s;code = 115
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = o;code = 111
char = x;code = 120
char = y;code = 121
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = C;code = 67
char = d;code = 100
char = T;code = 84
char = e;code = 101
char = ;code = 32
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = t;code = 116
char = s;code = 115
char = .;code = 46
result sql = Chemiluminescence arising from the decomposition of peroxymonocarbonate and enhanced by CdTe quantum dots.
Chemiluminescence arising from the decomposition of peroxymonocarbonate and enhanced by CdTe quantum dots.
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char = a;code = 97
char = n;code = 110
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char = u;code = 117
char = m;code = 109
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = Q;code = 81
char = D;code = 68
char = s;code = 115
char = );code = 41
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = e;code = 101
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char = ;code = 32
char = w;code = 119
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char = t;code = 116
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char = ;code = 32
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = c;code = 99
char = a;code = 97
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char = o;code = 111
char = a;code = 97
char = c;code = 99
char = e;code = 101
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char = i;code = 105
char = c;code = 99
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char = a;code = 97
char = c;code = 99
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char = l;code = 108
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char = o;code = 111
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char = h;code = 104
char = e;code = 101
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char = h;code = 104
char = y;code = 121
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char = r;code = 114
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char = d;code = 100
char = e;code = 101
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char = i;code = 105
char = u;code = 117
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char = r;code = 114
char = o;code = 111
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char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
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char = n;code = 110
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char = t;code = 116
char = e;code = 101
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char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = l;code = 108
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char = e;code = 101
char = s;code = 115
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = C;code = 67
char = L;code = 76
char = );code = 41
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = m;code = 109
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = C;code = 67
char = L;code = 76
char = ;code = 32
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = y;code = 121
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char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = s;code = 115
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char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
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char = t;code = 116
char = l;code = 108
char = y;code = 121
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char = e;code = 101
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char = h;code = 104
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = C;code = 67
char = d;code = 100
char = T;code = 84
char = e;code = 101
char = ;code = 32
char = Q;code = 81
char = D;code = 68
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = P;code = 80
char = e;code = 101
char = r;code = 114
char = o;code = 111
char = x;code = 120
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char = m;code = 109
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = c;code = 99
char = a;code = 97
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char = b;code = 98
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = e;code = 101
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char = (;code = 40
char = H;code = 72
char = C;code = 67
char = O;code = 79
char = (;code = 40
char = 4;code = 52
char = );code = 41
char = (;code = 40
char = -;code = 45
char = );code = 41
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = o;code = 111
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char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = i;code = 105
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = c;code = 99
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char = i;code = 105
char = v;code = 118
char = e;code = 101
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char = x;code = 120
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char = e;code = 101
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = D;code = 68
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
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char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = H;code = 72
char = C;code = 67
char = O;code = 79
char = (;code = 40
char = 4;code = 52
char = );code = 41
char = (;code = 40
char = -;code = 45
char = );code = 41
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = a;code = 97
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char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
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char = o;code = 111
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char = d;code = 100
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char = c;code = 99
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char = l;code = 108
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char = O;code = 79
char = (;code = 40
char = 2;code = 50
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char = );code = 41
char = ;code = 32
char = a;code = 97
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char = h;code = 104
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char = d;code = 100
char = e;code = 101
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char = d;code = 100
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = (;code = 40
char = ·;code = 183
char = O;code = 79
char = H;code = 72
char = );code = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = e;code = 101
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char = n;code = 110
char = c;code = 99
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char = d;code = 100
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char = C;code = 67
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char = w;code = 119
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char = e;code = 101
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char = C;code = 67
char = d;code = 100
char = T;code = 84
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char = Q;code = 81
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char = s;code = 115
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char = i;code = 105
char = z;code = 122
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char = s;code = 115
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char = (;code = 40
char = h;code = 104
char = (;code = 40
char = +;code = 43
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char = );code = 41
char = );code = 41
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char = );code = 41
char = );code = 41
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char = ;code = 32
char = Q;code = 81
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char = s;code = 115
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char = d;code = 100
char = i;code = 105
char = c;code = 99
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char = a;code = 97
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char = e;code = 101
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char = g;code = 103
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char = o;code = 111
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char = r;code = 114
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char = e;code = 101
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char = c;code = 99
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char = o;code = 111
char = r;code = 114
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = N;code = 78
char = B;code = 66
char = T;code = 84
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char = ,;code = 44
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char = c;code = 99
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result sql = CdTe quantum dots (QDs) capped with mercaptoacetic acid were applied to the hydrogen peroxide-sodium hydrogen carbonate chemiluminescence (CL) system. The CL emission intensity was significantly enhanced by different sizes of CdTe QDs. Peroxymonocarbonate (HCO(4)(-)) was formed in the reaction of hydrogen peroxide and sodium hydrogen carbonate, which was a reactive oxygen species. Decomposition of HCO(4)(-) generated superoxide ion radical (·O(2)(-)) and hydroxide radical (·OH). The enhanced CL was induced by the excited CdTe QDs, which could be produced from the combination of hole (oxidized QDs (h(+))) and electron (reduced QDs (e(-))) injected QDs. Radical scavengers and organic reagents such as nitro blue tetrazolium chloride (NBT), cytochrome c, sodium azide, ascorbic acid, thiourea, tert-butanol, and dimethyl sulphoxide were used to study the emitting species. The intermediate hydroxide radical and superoxide ion were key species for producing hole and electron-injected QDs. Four emitters such as (1)O(2), (O(2))(2)*, (CO(2))(2)* and CdTe* were detected in the CL system. The mechanism was discussed based on the CL emission spectra, electron spin resonance spectra, fluorescence spectra, and UV-vis absorption spectra. The CL properties of CdTe QDs will be helpful to study semiconductor nanocrystals and will open new avenues for the application of QDs in many fields, such as chemistry, biology, microbiology, and biochemistry.

Publication: J Phys Chem A 2010 Sep 23 ;114(37)::10049-58.
Publication Date: 2010 Sep 23
Study Author(s): Chen, Hui;Lin, Ling;Lin, Zhen;Guo, Guangsheng;Lin, Jin-Ming;
Institution: Department of Chemistry, Tsinghua University, Beijing 100084, China.
Shortcut link to this study:
CdTe quantum dots (QDs) capped with mercaptoacetic acid were applied to the hydrogen peroxide-sodium hydrogen carbonate chemiluminescence (CL) system. The CL emission intensity was significantly enhanced by different sizes of CdTe QDs. Peroxymonocarbonate (HCO(4)(-)) was formed in the reaction of hydrogen peroxide and sodium hydrogen carbonate, which was a reactive oxygen species. Decomposition of HCO(4)(-) generated superoxide ion radical (·O(2)(-)) and hydroxide radical (·OH). The enhanced CL was induced by the excited CdTe QDs, which could be produced from the combination of hole (oxidized QDs (h(+))) and electron (reduced QDs (e(-))) injected QDs. Radical scavengers and organic reagents such as nitro blue tetrazolium chloride (NBT), cytochrome c, sodium azide, ascorbic acid, thiourea, tert-butanol, and dimethyl sulphoxide were used to study the emitting species. The intermediate hydroxide radical and superoxide ion were key species for producing hole and electron-injected QDs. Four emitters such as (1)O(2), (O(2))(2)*, (CO(2))(2)* and CdTe* were detected in the CL system. The mechanism was discussed based on the CL emission spectra, electron spin resonance spectra, fluorescence spectra, and UV-vis absorption spectra. The CL properties of CdTe QDs will be helpful to study semiconductor nanocrystals and will open new avenues for the application of QDs in many fields, such as chemistry, biology, microbiology, and biochemistry.
PMID: 20738136

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