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576832

Sigma-Aldrich

Silver

nanopowder, <100 nm particle size, contains PVP as dispersant, 99.5% trace metals basis

Sinonimo/i:

Colloidal nano silver, Colloidal silver, Nanosilver

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About This Item

Formula condensata:
Ag
Numero CAS:
7440-22-4
Peso molecolare:
107.87
Numero CE:
231-131-3
Numero MDL:
MFCD00003397
Codice UNSPSC:
12141740
ID PubChem:
24880887
NACRES:
NA.23

Saggio

99.5% trace metals basis

Forma fisica

nanopowder

contiene

PVP as dispersant

Resistività

1.59 μΩ-cm, 20°C

Area superficiale

5.0 m2/g

Dimensione particelle

<100 nm

P. eboll.

2212 °C (lit.)

Punto di fusione

960 °C (lit.)

Densità

10.49 g/cm3 (lit.)

Stringa SMILE

[Ag]

InChI

1S/Ag
BQCADISMDOOEFD-UHFFFAOYSA-N

Categorie correlate

Descrizione generale

This silver nanopowder consists of metallic silver nanoparticles with a diameter less than 100 nm. These nanosilver particles are coated with polyvinylpyrrolidone (PVP) at a concentration of 0.2% by mass. This coating effectively limits surface oxidation and enhances the dispersion of the powder in various solvents.

Silver nanopowder is extensively utilized in medicinal applications and medical devices. The increased surface area to volume ratio and heightened reactivity of nanosilver make it particularly valuable in modern biomedical applications, particularly in coatings of medical devices.

Applicazioni

Water based ink was formulated with the silver nanowires. Silver nanoparticles, leading to higher amounts of elutable substances has been studied. The immunological adjuvant effect of silver nanoparticles (AgNPs) was investigated both in vitro and in vivo.  Silver nanoparticles based graphite epoxy nanocomposites have been fabricated. Action of AgNPs in enhanced thrombus formation as a consequence of increased platelet aggregation and procoagulant activity has been investigated. Optical fiber sensor photodeposited with AgNPs have been fabricated. PAN fiber based nanocomposites containing Ag and Hydroxyapatite as nanoadditives have been reported.

Pittogrammi

Environment
GHS09

Avvertenze

Warning

Indicazioni di pericolo

H410

Consigli di prudenza

P273 - P391 - P501

Classi di pericolo

Aquatic Acute 1 - Aquatic Chronic 1

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Yingying Xu et al.
Toxicology letters, 219(1), 42-48 (2013-03-05)
The immunological adjuvant effect of silver nanoparticles (AgNPs) was investigated both in vitro and in vivo. The in vivo adjuvant effect of AgNPs was evaluated with model antigen ovalbumin (OVA) and bovine serum albumin (BSA) in mice by intraperitoneal and
Silver nanocomposite electrode modified with hexacyanoferrate. Preparation, characterization and electrochemical behaviour towards substituted anilines
Fenga PG, et al.
Electroanalysis, 23(5), 1100-1106 (2011)
Silver nanoparticles toxicity and bactericidal effect against methicillin-resistant Staphylococcus aureus: nanoscale does matter
Ayala-Nu?ez et al.
NanoBiotechnology, 5(1-4), 2-9 (2009)
Antibacterial Properties of Silver-Finished Textiles
Matyjas-Zgondek E, et al.
Fibres and Textiles in Eastern Europe, 16(5), 101-107 (2008)
Eun-Ah Jun et al.
Nanotoxicology, 5(2), 157-167 (2010-09-09)
Despite the wide use of silver nanoparticles (nano Ag), its toxicity still remains poorly understood. In this report, nano Ag induced an increase in platelet aggregation and procoagulant activation which are the key contributors to thrombotic diseases. In freshly isolated
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