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Supplementary Information

Gamma Radiosynthesis of Colloidal Silver Nanoparticles Stabilized in ι- Carrageenan under Atmospheric Gases: A Surface Plasmon Resonance

based Study

Dian Pribadi Perkasa

^*

, M. Yasin Yunus, Yessy Warastuti, Basril Abbas

Center for Application of Isotopes and Radiation - BATAN, No. 49 Lebak Bulus Raya Street, Jakarta 12440, Indonesia

E-mail : [email protected]

*Main contributor

Content

Peak Properties of Deconvoluted UV-vis Spectra of Irradiated ι-Carrageenan Solution S2

TEM micrograph of AgNPS S3

UV-vis Spectra of AgNPs at Varied Time S4

PIP and Properties of Normalized UV-vis Spectra of AgNPs S6

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Peak Properties of Deconvoluted UV-vis Spectra of Irradiated ι-Carrageenan Table S1. The peaks properties of deconvulated UV-vis spectra of irradiated ι-carrageenan sol

Dose

(kGy) Fitting

Function Adj. R-

Square Center Gravity

(nm) Intensity

(A.U.) FWHM

(nm)

0 Gaussian 0.989312 218.3148

218.31505 0.20938

0.16108 17.78584

159.90798

5 Gaussian 0.99319 222.36154

243.94052 0.9846

1.17137 19.65749

110.42662

10 Gaussian 9.94229 222.78245

244.94045 1.02311

1.75817 17.93535

141.06115

15 Gaussian 9.92968 224.31036

247.36784

1.13531 2.33985

18.66265 77.28535

20 Gaussian 0.994468 224.88808

249.28702

1.04011 2.88773

18.51341

75.26128

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TEM Micrograph of AgNPs

Figure S1. TEM micrograph of AgNPS stabilized in (a) 0.05, (b) 0.1, (c) 0.5, and (d) 1.0 %

(w/v) ι-carrageenan for calculation of particle size distribution

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UV-vis Spectra of AgNPs at Varied Time

Figure S2. UV-vis absorbance spectra of 0.05 % (w/v) ι-carrageenan stabilized AgNPs

radiosynthesized at (a) 5 kGy, (b), 10 kGy, (c) 15 kGy, and (d) 20 kGy at varied time

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Figure S2. UV-vis absorbance spectra of 0.1 % (w/v) ι-carrageenan stabilized AgNPs radiosynthesized at (a) 5 kGy, (b), 10 kGy, (c) 15 kGy, and (d) 20 kGy at varied time

Figure S3. UV-vis absorbance spectra of 0.5 % (w/v) ι-carrageenan stabilized AgNPs

radiosynthesized at (a) 5 kGy, (b), 10 kGy, (c) 15 kGy, and (d) 20 kGy at varied time

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Figure S4. UV-vis absorbance spectra of 1.0 % (w/v) ι-carrageenan stabilized AgNPs radiosynthesized at (a) 5 kGy, (b), 10 kGy, (c) 15 kGy, and (d) 20 kGy at varied time

PIP and Properties of Normalized UV-vis Spectra of AgNPs

Table S2. The PIP value and properties of normalized UV-vis spectra of the 0.05 % (w/v) ι- carrageenan stabilized AgNPs

Dose (kGy)

Time (Day)

λ

0

λ

n

I

0

I

n

PIP

5 3

6 12 19

416.739 416.739 416.739 416.739

420.4334 422.893 423.42192 427.05223

0.12056 0.12056 0.12056 0.12056

0.07039 0.0601 0.05251 0.05703

0.417777879 0.505254625 0.286110371 0.568391475

10 3

6 12 19

413.84637 413.84637 413.84637 413.84637

419.72514 428.20853 438.70326 441.53521

0.99816 0.99816 0.99816 0.99816

0.94497 0.93401 0.91889 0.96945

0.07934488 0.157345392 0.260947158 0.278378325

15 3

6 12 19

409.97179 409.97179 409.97179 409.97179

415.86845 419.24666 428.0537 427.20363

1.33125 1.33125 1.33125 1.33125

1.49312 1.2857 1.25587 1.27595

0.135136202 0.098858755 0.18947761 0.177254604

20 3

6 12 19

406.75357 406.75357 406.75357 406.75357

414.02744 418.88981 448.15819 454.97311

2.84524 2.84524 2.84524 2.84524

2.64624 2.55114 2.0493 2.04348

0.100909437 0.159415444 0.499691098 0.55849617

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Table S2. The PIP value and properties of normalized UV-vis spectra of the 0.1 % (w/v) ι- carrageenan stabilized AgNPs

Dose (kGy)

Time (Day)

λ

0

λ

n

I

0

I

n

PIP

5 3

6 12 19

414.199 414.199 414.199 414.199

417.05779 419.08162 419.96955 420.32292

0.18561 0.18561 0.18561 0.18561

0.198 0.20454 0.19592 0.20804

0.072615557 0.113071774 0.080093411 0.135474295

10 3

6 12 19

409.52491 409.52491 409.52491 409.52491

412.18884 415.60244 420.44077 420.47262

1.83229 1.83229 1.83229 1.83229

1.6738 1.70342 1.5656 1.76555

0.090507519 0.092953393 0.181935243 0.11537751

15 3

6 12 19

407.92717 407.92717 407.92717 407.92717

411.32198 415.33576 419.21419 419.8378

2.66223 2.66223 2.66223 2.66223

2.55689 2.45657 2.29014 2.31455

0.052135654 0.107034768 0.179650485 0.176753955

20 3

6 12 19

406.47533 406.47533 406.47533 406.47533

413.66042 421.96775 480.15289 454.79017

4.51224 4.51224 4.51224 4.51224

4.13223 3.54657 1.76423 2.34215

0.110703004 0.26420127 0.955894533 0.681711058

Table S3. The PIP value and properties of normalized UV-vis spectra of the 0.5 % (w/v) ι- carrageenan stabilized AgNPs

Dose (kGy)

Time (Day)

λ

0

λ

n

I

0

I

n

PIP

5 3

6 12 19

410.65484 410.65484 410.65484 410.65484

412.90052 414.30167 414.9958 415.35575

3.46026 3.46026 3.46026 3.46026

3.1227 2.79642 2.37217 2.22789

0.100104778 0.195282239 0.31743541 0.359238568

10 3

6 12 19

408.50166 408.50166 408.50166 408.50166

412.73499 419.26266 433.30626 440.0657

6.71084 6.71084 6.71084 6.71084

6.27385 5.39989 4.67612 4.25862

0.077668117 0.223026459 0.391735183 0.482860883

15 3

6 12 19

418.77044 418.77044 418.77044 418.77044

439.50244 459.38422 486.1011 483.25161

7.22592 7.22592 7.22592 7.22592

5.67192 4.88247 3.22434 2.77561

0.298717271 0.519736429 0.871788737 0.891679356

20 3

6 12 19

419.69288 419.69288 419.69288 419.69288

437.40935 457.35114 449.97268 482.75601

6.60295 6.60295 6.60295 6.60295

5.46267 4.41919 2.47875 1.26178

0.247406616 0.501191995 0.694126287 1.025683072

Table S4. The PIP value and Properties of Normalized UV-vis Spectra of the 1.0 % (w/v) ι-

carrageenan stabilized AgNPs

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Dose

(kGy) Time

(Day) λ

0

λ

n

I

0

I

n

PIP

5 3

6 12 19

413.64339 413.64339 413.64339 413.64339

412.96677 416.84629 419.00764 419.80018

4.24256 4.24256 4.24256 4.24256

3.17788 2.81879 2.20574 2.23529

0.251043454 0.337117153 0.483079752 0.477116165

10 3

6 12 19

411.07238 411.07238 411.07238 411.07238

414.65816 418.18209 425.31834 426.95202

7.57903 7.57903 7.57903 7.57903

7.10905 6.71861 6.1815 6.09021

0.071631649 0.133951638 0.233015018 0.25259598

15 3

6 12 19

418.291 418.291 418.291 418.291

423.77827 429.17796 436.99183 437.69037

7.30696 7.30696 7.30696 7.30696

6.66398 6.66775 5.66187 5.08147

0.103702608 0.139661275 0.292677616 0.361105534

20 3

6 12 19

420.66443 420.66443 420.66443 420.66443

424.2731 428.25777 432.96713 433.62051

4.76749 4.76749 4.76749 4.76749

4.17272 3.33408 2.01933 1.78821

0.129869755 0.310103841 0.58941991 0.638205142