char = E;code = 69
char = x;code = 120
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = s;code = 115
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 = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = v;code = 118
char = a;code = 97
char = i;code = 105
char = l;code = 108
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
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 = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = r;code = 114
char = p;code = 112
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = .;code = 46
result sql = Extension of the color suite available for chemical enhancement of fingerprints in blood.
Extension of the color suite available for chemical enhancement of fingerprints in blood.
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = -;code = 45
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = -;code = 45
char = p;code = 112
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = y;code = 121
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = O;code = 79
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = &;code = 38
char = ;code = 32
char = P;code = 80
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = );code = 41
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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 = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = r;code = 114
char = p;code = 112
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = O;code = 79
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = H;code = 72
char = 2;code = 50
char = O;code = 79
char = 2;code = 50
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = U;code = 85
char = V;code = 86
char = /;code = 47
char = V;code = 86
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = c;code = 99
char = o;code = 111
char = p;code = 112
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = B;code = 66
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = O;code = 79
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = P;code = 80
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = z;code = 122
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = 3;code = 51
char = ,;code = 44
char = 3;code = 51
char = ';code = 39
char = -;code = 45
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = z;code = 122
char = i;code = 105
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = D;code = 68
char = A;code = 65
char = B;code = 66
char = );code = 41
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
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 = v;code = 118
char = e;code = 101
char = l;code = 108
char = o;code = 111
char = p;code = 112
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = r;code = 114
char = p;code = 112
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = O;code = 79
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = u;code = 117
char = r;code = 114
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = P;code = 80
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = r;code = 114
char = o;code = 111
char = w;code = 119
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = D;code = 68
char = A;code = 65
char = B;code = 66
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = t;code = 116
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = A;code = 65
char = B;code = 66
char = T;code = 84
char = S;code = 83
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = b;code = 98
char = a;code = 97
char = c;code = 99
char = k;code = 107
char = g;code = 103
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = B;code = 66
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = O;code = 79
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = P;code = 80
char = P;code = 80
char = D;code = 68
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = n;code = 110
char = i;code = 105
char = n;code = 110
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = t;code = 116
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 = v;code = 118
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = The use of ortho- and para-phenylenediamine (OPD & PPD respectively) for the enhancement of fingerprints in blood has been investigated. Optimal pH conditions and H2O2 concentrations have been determined using UV/Vis spectroscopy. Both OPD and PPD are effective and less hazardous alternatives to the presently used 3,3'-diaminobenzidine (DAB) for the development of blood fingerprints, especially on porous surfaces. The orange color of OPD and the purple color of PPD offer alternative colors to the brown color of DAB and the light green color of ABTS for standing out against particular backgrounds. Both OPD and PPD can be used after ninhydrin treatment, but the reverse is not the case.

Publication: J. Forensic Sci. 2002 Mar ;47(2)::332-40.
Publication Date: 2002 Mar
Study Author(s): Caldwell, Jonathan P;Kim, Nicholas D;
Institution: Science and Process Engineering Division, WRONZ, Christchurch, New Zealand.
Shortcut link to this study:
The use of ortho- and para-phenylenediamine (OPD & PPD respectively) for the enhancement of fingerprints in blood has been investigated. Optimal pH conditions and H2O2 concentrations have been determined using UV/Vis spectroscopy. Both OPD and PPD are effective and less hazardous alternatives to the presently used 3,3'-diaminobenzidine (DAB) for the development of blood fingerprints, especially on porous surfaces. The orange color of OPD and the purple color of PPD offer alternative colors to the brown color of DAB and the light green color of ABTS for standing out against particular backgrounds. Both OPD and PPD can be used after ninhydrin treatment, but the reverse is not the case.
PMID: 11908604

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