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Merck
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Documentos Principais

938165

Sigma-Aldrich

Sílica

new

hollow nanoparticles, 500 nm particle size, pore size 40 Å

Sinônimo(s):

Dióxido de silício

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About This Item

Fórmula linear:
SiO2
Número CAS:
Peso molecular:
60.08
Número MDL:
Código UNSPSC:
12352309

Nível de qualidade

forma

powder

tamanho de partícula

500 nm

tamanho de poro

40 Å pore size

pb

2230 °C (lit.)

pf

>1600 °C (lit.)

cadeia de caracteres SMILES

O=[Si]=O

InChI

1S/O2Si/c1-3-2

chave InChI

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Descrição geral

Our hollow silica nanoparticles are precisely engineered spherical particles of silicon dioxide. These particles have a uniform particle size of 500 nm comprised of a porous silica shell, with an average pore size of 40 Å, that surrounds the central hollow cavity. The structure and design of these nanoparticles play a vital role in determining their unique physical characteristics. These properties include low density, a large specific surface area, low dielectric constant, low electrical and thermal conductivity, as well as abnormal light scattering behavior.

Aplicação

Hollow silica nanoparticles (SNPs) are extensively sought after studied for applications across multiple fields, includinga dvanced catalysis, drug-delivery, biomedical applications, environmental remediation applications, wastewater treatment, thermal insulation, and functional coatings. [1] Different studies have used hollow SNPs in drug delivery applications as drug carriers. For example, in one of the studies, it has been found that hollow silica nanoparticles (HSNPs) possess very high loading capacities for Glp-1 and a steady release of Glp-1 from HPSNs of approximately 10% was observed which indicates that HPSNs demonstrate great potential as materials for both protection of Glp-1 from external attack and its long-term release. [2] SNPs can be used for the development of anodes in lithium-ion batteries (LIBs). Studies have found that silicon nanoparticles are capable of high electrochemical performance as an anode material for Lithium-ion batteries performance. [3,4]

Pictogramas

Health hazard

Palavra indicadora

Danger

Frases de perigo

Declarações de precaução

Classificações de perigo

STOT RE 1 Inhalation

Código de classe de armazenamento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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Recent progress in the applications of silica-based nanoparticles
Nayl A A, et al.
Royal Society of Chemistry Advances, 12(22), 13706-13726 (2022)
Strategy for enhanced performance of silicon nanoparticle anodes for lithium-ion batteries
Chen X, et al.
Royal Society of Chemistry Advances, 12(28), 17889-17897 (2022)
Preparation of hollow porous silica nanospheres and their potential for glucagon-like peptide-1 delivery
Cho B, et al.
Materials Research Express, 6, 045016-045016 (2019)
Synthesis and application of silicon nanoparticles prepared from rice husk for lithium-ion batteries
Daulay A, et al.
Case Studies in Chemical and Environmental Engineering, 6, 100256-100256 (2022)

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