Table 5.

Commercial Au NPs and Au nanorods.

Company	Product name	Size diameter (nm)	Peak SPR wave (nm)	Coating/stabilizer
Sigma-Aldrich	Gold nanoparticle	5, 10,	515-520	citrate
		20,	524
		30,	526
		40,	530
		50,	535
		60,	540
		80,	553
		100	572
	Gold nanorod	10X38	780	Cetrimonium bromide (CTAB)
		10X41	808
		10X45	850
Nanopartz	Ntracker™	10X38	780	Hydrophilic polymer terminated with methyl group
		10X41	808
		10X45	850
		10X59	980
		10X67	1064
	Ntherapy™	10X38	780	Hydrophilic polymer terminated with amine or carboxyl, As33scFv, Chitosan, anti-EGFR,DNA Oligos, Glutathione, Folate, CD33, CD24, CD45,EPCAM, Doxorubicin,T-Cells, anti-CD4, polyethylenimine
		10X41	808
		10X45	850
		10X59 10X67	980 1064
	Accurate™ Spherical Gold Nanoparticles	1.8, 2.2, 3, 4, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95,100, 125		proprietary carboxylic acid, citrate, Amine, biotin, Maleimide, methyl, Neutravidin, NHS, streptavidin, Azide, MUTAB, secondary antibodies, protein A
	Gold Nanorodz™	10X 67, 59, 50, 45, 41, 38, 35,29	1064, 980, 900, 850, 808, 780, 750, 700	CTAB, amine, biotin, carboxyl, Maleimide, Methyl, Neutravidin, NHS, streptavidin, MUTAB, secondary antibodies
		25X146, 113, 102 94, 86, 73, 60, 47, 34,	980, 850, 808, 780, 750, 700, 650, 600, 550,
		40X 138, 118, 97, 76, 55, 50X147	750, 700, 650, 600, 550, 700
Strem chemical, Inc	Gold nanoparticle	5	515-520	Surfactant free, citrate, CTAB,
		10	520
		15	520
		20	524
		30	526
		40	530
	Gold nanorod	10X29	700
		10X35	750
		10X38	780
		10X41	808
		25X34	550
		25X47	600
		25X60	650
		25X73	700
Nanocomposix	Nano Xact™	5, 7, 10, 12, 15, 17, 20, 30, 40,	520	Tannic acid, citrate, Polyvinylpyrrolidone (PVP)
		50, 60, 70, 80, 90, 100	525, 530, 535, 545, 555 555
	Biopure™	5, 7, 10, 12, 15, 20, 30, 40	520	Tannic acid, PVP
		50, 60,70, 80, 90,100	525, 530, 535, 545, 555 555
Ted Pella,	PELCO® Nano Xact™	5, 7, 10, 12, 15, 17, 20, 30, 40	520	Tannic acid
		50 60 70 80 90 100	525 530 535 545 555 555
	PELCO® Biopure™	5,7, 10, 12, 15, 17, 20, 30, 40	520	Tannic acid
		50 60 70 80 90 100	525 530 535 545 555 555
Nanocomposix	Biopure™ Gold colloids coated with silica shell	17 30 50	525 528 533	10-20nm silica shell non functionalized or amine terminated
Ted Pella	PELCO® Biopure™ Gold colloids coated with silica shell
Oceannanotech	UEI AUA AUH	6	520	PEI Amphiphilic polymer terminal with Amine /PEG Amphiphilic polymer with terminal carboxylic acid groups
	LyoF™ AclaFTM GNP	15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100	520, 520, 528, 527, 523, 527, 538, 528, 537, 542, 546, 550, 563	Carboxylic acid Amphiphilic polymer with carboxylic acid groups Un-coated
	GRN	10X34, 10X39, 10X43, 10X51, 20X51, 20X66 20X75, 20X84, 20X95, 40X68, 40X84, 40X96
NN-Labs	Au Dot nanocrystal	5, 10, 20		citrate