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納米膠體金 british biocell international

簡要描述：The 2nmn colloid is too small to scatter light and the solution is clear. The remaining sizes scatter light to different degrees and the solution color changes with increasing particle size.

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更新時間：2025-12-30
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品牌	Ted Pella/美國

BBI's unique recipe gold colloid has been used for over 20 years due to its superior quality and performance, and features in over 400 million tests in the global market place per year. Many of these have FDA cleared status.

Gold particles offer excellent stability and sensitivity characteristics, and as the market has grown to expect higher levels of sensitivity, gold has increasingly become regarded as an extremely reliable raw material in providing an accurate visual signal.

Gold colloid is an ideal reagent in the development and manufacture of assays because different particle sizes can be used for different applications. It is essentially inert and, when manufactured by BBInternational, forms uniform spherical particles at any size.

Stringent processes ensure that gold reagents are high quality, regardless of the particle size. This flexibility coupled with the excellent binding properties of gold to proteins makes gold the preferred label in the majority of rapid tests, whether wet or dry.

BBInternational gold colloid is available in a wide range of pre-determined sizes and is supplied ready for conjugation in a range of concentrations （measured in optical density units of 520nm （OD）. BBInternational’s gold colloid has a shelf life of 12 months when stored unopened at 4°C.

The Key Benefits to BBI Gold – a market leading product

Stability and Sensitivity
Low Coefficient of Variation （<8%）
Uniform shape and size
Roundness （> 95 % spherical, <5% uneven shapes）

Gold Colloid Sizes Available from BBInternational

		膠體金產(chǎn)品信息
尺寸	每ML顆粒數(shù)	貨號	規(guī)格	價格	貨號	規(guī)格	價格	貨號	規(guī)格	價格
2nm	1.5 x 1014	15701-20	20 ml	1200	15701-1	100ml	4080	15701-5	500 ml	13175
5nm	5.0 x 1013	15702-20	20 ml	1200	15702-1	100ml	4080	15702-5	500 ml	13175
10nm	5.7 x 1012	15703-20	20 ml	1200	15703-1	100ml	4080	15703-5	500 ml	13175
15nm	1.4 x 1012	15704-20	20 ml	1200	15704-1	100ml	4080	15704-5	500 ml	13175
20nm	7.0 x 1011	15705-20	20 ml	1200	15705-1	100ml	4080	15705-5	500 ml	13175
30nm	2.0 x 1011	15706-20	20 ml	1200	15706-1	100ml	4080	15706-5	500 ml	13175
40nm	9.0 x 1010	15707-20	20 ml	1200	15707-1	100ml	4080	15707-5	500 ml	13175
50nm	4.5 x 1010	15708-20	20 ml	1200	15708-5	100ml	4080	15708-55	500 ml	13175
60nm	2.6 x 1010	15709-20	20 ml	1200	15708-6	100ml	4080	15708-65	500 ml	13175
80nm	1.1 x 1010	15710-20	20 ml	1200	15708-8	100ml	4080	15708-85	500 ml	13175
100nm	5.6 x 109	15711-20	20 ml	1200	15708-9	100ml	4080	15708-95	500 ml	13175
150nm	1.7 x 109	15712-20	20 ml	1200	15709-10	100ml	4080	15709-105	500 ml	13175
200nm	7.0 x 108	15713-20	20 ml	1200	15709-11	100ml	4080	15709-115	500 ml	13175
250nm	3.6 x 108	15714-20	20 ml	1200	15709-12	100ml	4080	15709-125	500 ml	13175