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765538

Sigma-Aldrich

Gold nanoparticles

30 nm diameter, carboxylic acid functionalized, PEG 3000 coated, OD 50, dispersion in H2O

Sinônimo(s):

Gold nanoparticles COOH functionalized, Au NP COOH, Gold Colloid

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About This Item

Código UNSPSC:
12162002
NACRES:
NA.23

Materiais

PEG 3000

Nível de qualidade

100

Formulário

dispersion in H2O
nanoparticles

embalagem

poly bottle of 1 mL

DO

50

diâmetro

30 nm

pH

6.0-8.0 (25 °C)

solubilidade

water: miscible

densidade

1.00 g/cm3

λmax

525 nm

grupo funcional

carboxylic acid

temperatura de armazenamento

2-8°C

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Descrição geral

Carboxylic acid functionalized GNPs forms conjugates with various protein molecules due to the electrostatic attraction between negatively charged carboxylate groups and positively charged amino groups of protein.

Aplicação

Functionalized Particles have been extensively used to study cellular uptake of nanoparticles and targeted drug delivery.
Gold nanoparticles 30 nm diameter, carboxylic acid functionalized, PEG 3000 coated, OD 50, dispersion in H2O can be potentially used in the development of biosensors, cancer-cell imaging, drug delivery, and photothermal therapy.
AuNPs may also be used in the immobilization of antibodies to improve the sensitivity of optical fiber sensors for the screening of COVID-19. It can also be deposited on the titanium electrode for the formation of a miniaturized device for the electrochemical detection of DNA hybridization.
The carboxylic acid group binds with various proteins and are used in targeted drug delivery and gene therapy.

Características e benefícios

Decreases the cytotoxicity and increases efficiency of GNPs in targeted drug delivery. PEG increases the stability of the nanoparticles and prevents agglomeration.

Código de classe de armazenamento

12 - Non Combustible Liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

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Certificados de análise (COA)

Lot/Batch Number
MKCQ6832
MKCB6017
MKBL5795V

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Nóra Adányi et al.
Food chemistry, 267, 10-14 (2018-06-24)
Mycotoxins, present in a wide range of food and feed commodities, are toxic secondary metabolites produced by a number of different fungi. Certain mycotoxins do not readily degrade at high temperatures, therefore are resistant to food processing, and consequently are
Optical Fiber Sensors for Rapid Screening of COVID-19
Nag P, et al.
Transactions of the Indian National Academy of Engineering, 6, 1-4 (2020)
Size-dependent in vivo toxicity of PEG-coated gold nanoparticles
Zhang X, et al.
International journal of nanomedicine, 6, 2071-2071 (2011)
Nishima Wangoo et al.
Journal of colloid and interface science, 323(2), 247-254 (2008-05-20)
We report a novel strategy for the synthesis of aqueous stable, carboxylated gold nanoparticles (GNPs) by using glutamic acid as the reducing agent. The ratio of chloroaurate ions, AuCl(-)(4) to glutamic acid was optimized in the reaction medium to obtain
Functionalized gold nanoparticles and their biomedical applications
Tiwari, P. M., Vig, K., Dennis, V. A., & Singh, S. R.
Nanomaterials, 1(1), 31-63 (2011)

Global Trade Item Number

SKUGTIN
765538-1ML4061837524356

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