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Nanopartikel Platinum (PtNPs) adalah partikel platina berukuran 1-100 nm, biasanya berbentuk suspensi koloid, yang memiliki sifat katalitik dan biomedis unggul. PtNPs banyak digunakan untuk katalis sel bahan bakar (fuel cell), agen terapeutik (antikanker, antioksidan), dan sensor. Sintesis dapat dilakukan melalui metode "hijau" (ekstrak tumbuhan/jamur) yang aman dan ramah lingkungan.

Berikut adalah poin-poin penting mengenai nanopartikel platina:

Karakteristik Fisik: Nanopartikel Pt berbentuk serbuk atau koloid cair (biasanya berwarna coklat kemerahan hingga hitam) dengan ukuran partikel 2-100 nm.
Aplikasi Utama:
- Katalisis: Sangat efisien dalam sel bahan bakar (PEM Fuel Cell) dan reaksi kimia.
- Medis/Biomedis: Digunakan dalam pengiriman obat (drug delivery), deteksi kanker, agen antibakteri, dan antioksidan (menangkal radikal bebas).
- Sensor: Deteksi komponen kimia spesifik.
Metode Sintesis:
- Metode Kimia: Reduksi garam platina dalam larutan.
- Metode Hijau (Green Synthesis): Menggunakan ekstrak tanaman, jamur, atau alga untuk mereduksi logam menjadi nanopartikel, yang lebih aman dan ramah lingkungan.
Keunggulan: Memiliki aktivitas permukaan yang sangat tinggi, stabilitas kimia, dan rasio luas permukaan terhadap volume yang besar.

Platinum nanopartikel tersedia dalam berbagai bentuk, termasuk nanospheres (nanosfer) dan material bimetalik (misalnya besi-platinum/Fe-Pt) yang memiliki sifat magnetik.

About Platinum Nanoparticles - nanoComposix
Platinum nanoparticles are colloidal suspensions that are synthesized by reducing platinum salt precursors in solution. They are u...
nanoComposix
Pt Platinum Nanoparticle - Hongwu International Group Ltd
Hongwu Nano-Long-term batch supply of high stable quality platinum(Pt) nanoparticles, size from 20nm-3um are available with high p...
Hongwu International Group Ltd
Platinum nanoparticles | Sigma-Aldrich
Platinum nanoparticles are also known as platinum colloid, Pt NP, and Pt dispersion. Here are some products for platinum nanoparti...
Sigma-Aldrich

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Web results

Platinum nanoparticle

Wikipedia

https://en.wikipedia.org › wiki › Platinum_nanoparticle

Wikipedia

https://en.wikipedia.org › wiki › Platinum_nanoparticle

Platinum nanoparticles are usually in the form of a suspension or colloid of nanoparticles of platinum in a fluid, usually water.Read more

About Platinum Nanoparticles

nanoComposix

https://nanocomposix.com › pages › platinum-nanopart...

nanoComposix

https://nanocomposix.com › pages › platinum-nanopart...

Colloidal platinum nanoparticles are useful in a diverse range of applications including catalysis, drug delivery, cancer detection, sensing, materials science ...Read more

Platinum Nanoparticles: Green Synthesis and Biomedical ...

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC7662215

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC7662215

by SA Fahmy2020Cited by 110 — Platinum nanoparticles (PtNPs) have superior physicochemical properties and great potential in biomedical applications.

Platinum Nanoparticle - an overview

ScienceDirect.com

https://www.sciencedirect.com › topics › chemistry › plat...

ScienceDirect.com

https://www.sciencedirect.com › topics › chemistry › plat...

Platinum nanoparticles (PtNPs) are defined as nanoparticles of platinum that can exist in a colloidal suspension, typically ranging in size from ...Read more

Platinum nanoparticles

Sigma-Aldrich

https://www.sigmaaldrich.com › search › platinum-nan...

Sigma-Aldrich

https://www.sigmaaldrich.com › search › platinum-nan...

3 nm particle size, 1,000-1,300 ppm in H2O, 99.99% trace metals basis. Greener Alternative. Synonym(s): Platinum colloid, Pt NP, Pt dispersion.Read more

green synthesis of supported Pt nanoparticles by using ...

RSC Publishing

https://pubs.rsc.org › content › articlelanding

RSC Publishing

https://pubs.rsc.org › content › articlelanding

by RY Parapat2022Cited by 12 — We utilized extract of mangosteen peel as a green reductant and found that it produces Pt nanoparticles (NPs) with high activity.Read more

Web results

Platinum nanoparticles: tiny titans in therapy | Discover Materials

Springer Nature Link

https://link.springer.com › Discover Materials

Springer Nature Link

https://link.springer.com › Discover Materials

by S Dutta2024Cited by 15 — Currently, PtNPs have garnered a steadily increasing interest for numerous biomedical purposes, including antimicrobial agents, anticancer ...Read more

Highly Ordered Pt-Based Nanoparticles Directed by the Self ...

ACS Publications

https://pubs.acs.org › doi

ACS Publications

https://pubs.acs.org › doi

Designing Pt-based nanoparticle (NP) catalysts is of great interest for the lowering of Pt usage and the enhancement of catalytic activity on the ...

Missing: ~~nanopartikel~~ ‎| Show results with: nanopartikel

Pt Platinum Nanoparticle

Hongwu International Group Ltd

https://www.hwnanomaterial.com › pt-platinum-nanopa...

Hongwu International Group Ltd

https://www.hwnanomaterial.com › pt-platinum-nanopa...

Long-term batch supply of high stable quality platinum(Pt) nanoparticles, size from 20nm-3um are available with high purity 99.95%.Read more

Platinum Nanoparticle - an overview

ScienceDirect.com

https://www.sciencedirect.com › topics › engineering › p...

ScienceDirect.com

https://www.sciencedirect.com › topics › engineering › p...

Platinum nanoparticles are defined as well-established nanostructures that exhibit antioxidant, antimicrobial, and anticancer properties, commonly utilized ...Read more

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