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The Development of Novel Antibiotics Using ... - Jacobs University

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Intens.<br />

[%]<br />

100<br />

80<br />

Free host<br />

936.3<br />

60<br />

40<br />

20<br />

1128.3<br />

HG complex<br />

0<br />

500 1000 1500 2000 2500 m/z<br />

Figure 51. Tandem ESI-MS for host/guest complex 8/11 in the negative ion mode.<br />

Intens.<br />

6000<br />

1242.4255<br />

5000<br />

4000<br />

1243.4759<br />

3000<br />

2000<br />

1244.4772<br />

1000<br />

1236.5162 1238.0219 1240.0367 1241.5618<br />

1245.4936 1246.4909<br />

0<br />

1236 1238 1240 1242 1244 1246 m/z<br />

Figure 52. ESI-TOF/MS for host/guest complex 8/12 in the negative ion mode.<br />

Intens.<br />

[%]<br />

1242.4<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

Figure 53. ESI-MS 2 for host/guest complex 8/12 in the negative ion mode.<br />

Intens.<br />

[%]<br />

100<br />

500 1000 1500 2000 2500 m/z<br />

935.3<br />

80<br />

60<br />

40<br />

Free host<br />

1243.4<br />

HG complex<br />

20<br />

0<br />

500 1000 1500 2000 2500 m/z<br />

Figure 54. Tandem ESI-MS for host/guest complex 8/12 in the negative ion mode.<br />

19

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