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. Author manuscript; available in PMC: 2015 May 21.
Published in final edited form as: Langmuir. 2013 Mar 15;29(12):3903–3911. doi: 10.1021/la400387h

Table 1.

Particle size distributions determined by dynamic light scattering along with calculated and experimental surface plasmon resonance (SPR) values.

Seed
Concentration/pM
Pop 1
Diam./nm
bWeight/% Pop 2
Diam./nm
b Weight/% SPR (calc)/nm
SPRc
nm
Pop 1 Pop 2
0 1370 ± 290 87 117 ± 37 13
5 183 ± 25 100 550,670 558(556) 700
10 125 ± 16 56 29 ± 4 44 590 522 578(583)
20 103 ± 14 38 16 ± 2 62 569 521 562(558)
50 86 ± 12 21 10 ± 1 79 553 521 545(542)
a

Values Mean ± SD.

b

Integrated DLS volume weighted intensities.

c

The wavelengths of the composite SPR spectral maxima, experimental(calculated) in nm.