Advances in photothermal nanomaterials for biomedical, environmental and energy applications

Tee, Si Yin; Ye, Enyi; Teng, Choon Peng; Tanaka, Yūki; Tang, Karen Yuanting; Win, Khin Yin; Han, Ming‐Yong

doi:10.1039/d1nr04197e

Cited by 70 publications

(33 citation statements)

References 192 publications

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“…Transition-metal chalcogenides display astounding properties ranging from electronic, thermal, optical properties to novel forms of superconductivity and magnetism. − Among various prominent transition-metal chalcogenides, silver-based ones are comparatively less well-explored in the literature. Among them, silver selenide (Ag 2 Se) is an n-type chalcogenide with a phase transition at atmospheric pressure from semiconducting orthorhombic to superionic cubic where Ag + becomes mobile within a rigid lattice of Se.…”

Section: Introductionmentioning

confidence: 99%

Aqueous Synthesis, Doping, and Processing of n-Type Ag₂Se for High Thermoelectric Performance at Near-Room-Temperature

et al. 2022

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Herein, we have successfully synthesized binary Ag2Se, composite Ag0:Ag2Se, and ternary Cu+:Ag2Se through an ambient aqueous-solution-based approach in a one-pot reaction at room temperature and atmospheric pressure without involving high-temperature heating, multiple-processes treatment, and organic solvents/surfactants. Effective controllability over phases and compositions/components are demonstrated with feasibility for large-scale production through an exquisite alteration in reaction parameters especially pH for enhancing and understanding thermoelectric properties. Thermoelectric ZT reaches 0.8–1.1 at near-room-temperature for n-type Ag2Se and Cu+ doping further improves to 0.9–1.2 over a temperature range of 300–393 K, which is the largest compared to that reported by wet chemistry methods. This improvement is related to the enhanced electrical conductivity and the suppressed thermal conductivity due to the incorporation of Cu+ into the lattice of Ag2Se at very low concentrations (x%Cu+:Ag2Se, x = 1.0, 1.5, and 2.0).

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Section: Introductionmentioning

confidence: 99%

Aqueous Synthesis, Doping, and Processing of n-Type Ag₂Se for High Thermoelectric Performance at Near-Room-Temperature

et al. 2022

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“…In addition, under NIR irradiation, the Au@Pt NRs exhibited the highest efficiency in photothermal lysis of both Gram-positive and Gram-negative bacteria . However, Ag-containing nanoparticles are rarely used in the biomedical field due to their toxicity. , Pt as a near-infrared trigger particle for photothermal therapy not only is expensive but also requires high excitation power, which may cause damage to normal skin tissues . Therefore, the use of metal nanoparticles with excellent antibacterial properties and good biocompatibility at a reasonable price is an encouraging antibacterial method.…”

Section: Introductionmentioning

confidence: 99%

Au–Cu Bimetallic Nanostructures for Photothermal Antibacterial and Wound Healing Promotion

Song

Liu

Zhang

et al. 2022

ACS Appl. Nano Mater.

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The spread of drug-resistant bacterial infections can lead to serious infectious diseases and pose a significant threat to public health security. Metallic-nano-antibacterial materials are gradually becoming a hot spot for antimicrobial biomaterials research with the advantages of long service life and fast effective bactericidal speed. Considering the construction of a safe and efficient photothermal therapy (PTT) antibacterial platform as a promising strategy for the treatment of bacterial infections, a near-infrared (NIR) bimetallic antibacterial nanoparticle, adenosine 5′-triphosphate (ATP)@Au-Cu nanoparticle (NP), with excellent photothermal conversion efficiency (59.3%) was prepared in this paper; ATP@Au-CuNPs with their multiarm shaped structure and NIR photothermal effect could significantly inhibit the growth of bacteria at the low concentrations. In addition, the cytotoxicity and hemolysis rate of the ATP-coated nanoparticles were reduced considerably, and they also exhibited antibacterial and wound healing-promoting effects in mice wound infection models. On this basis, this paper focuses on the preparation and properties of ATP@Au-CuNPs and explores their biological application in antibacterial therapy.

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“…Metal sulfide nanoparticles (NPs) possess versatile optical and electronic properties, making them attractive for varied applications that include energy conversion and storage in solar cells [1][2][3], catalysts for industrial transformations, or carriers for drug delivery [4]. However, the toxicity of semiconductor NPs (e.g., ZnS and CdS) has been a limit to the range of possible applications, in particular in the biomedical area.…”

Section: Introductionmentioning

confidence: 99%

“…For this reason, copper sulfide (CuS) NPs have received increased interest in recent years. In addition to their low toxicity [5], those nanostructures can be stimulated using near-infrared (NIR) light, an advantage in the biomedical field as it allows deep penetration into biological tissues, with minimal photodamage to the cells [4]. In particular, their absorption in both the 650-950 nm range (NIR I region) and in the second NIR region (1000-1700 nm, NIR II), where light absorption by tissues and photon scattering is lower, is valuable.…”

Section: Introductionmentioning

confidence: 99%

In Vivo Assimilation of CuS, Iron Oxide and Iron Oxide@CuS Nanoparticles in Mice: A 6-Month Follow-Up Study

et al. 2022

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Nanoparticles (NPs) are at the leading edge of nanomedicine, and determining their biosafety remains a mandatory precondition for biomedical applications. Herein, we explore the bioassimilation of copper sulfide NPs reported as powerful photo-responsive anticancer therapeutic agents. The nanoparticles investigated present a hollow shell morphology, that can be left empty (CuS NPs) or be filled with an iron oxide flower-like core (iron oxide@CuS NPs), and are compared with the iron oxide nanoparticles only (iron oxide NPs). CuS, iron oxide@CuS and iron oxide NPs were injected in 6-week-old mice, at doses coherent with an antitumoral treatment. Cu and Fe were quantified in the liver, spleen, kidneys, and lungs over 6 months, including the control animals, thus providing endogenous Cu and Fe levels in the first months after animal birth. After intravenous NPs administration, 77.0 ± 3.9% of the mass of Cu injected, and 78.6 ± 3.8% of the mass of Fe, were detected in the liver. In the spleen, we found 3.3 ± 0.6% of the injected Cu and 3.8 ± 0.6% for the Fe. No negative impact was observed on organ weight, nor on Cu or Fe homeostasis in the long term. The mass of the two metals returned to the control values within three months, a result that was confirmed by transmission electron microscopy and histology images. This bioassimilation with no negative impact comforts the possible translation of these nanomaterials into clinical practice.

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Advances in photothermal nanomaterials for biomedical, environmental and energy applications

Abstract: Materials that exhibit photothermal effect have attracted enormous research interests due to their ability to strongly absorb light and effectively transform it into heat for a wide range of applications...

Cited by 70 publications

References 192 publications

Aqueous Synthesis, Doping, and Processing of n-Type Ag₂Se for High Thermoelectric Performance at Near-Room-Temperature

Aqueous Synthesis, Doping, and Processing of n-Type Ag₂Se for High Thermoelectric Performance at Near-Room-Temperature

Au–Cu Bimetallic Nanostructures for Photothermal Antibacterial and Wound Healing Promotion

In Vivo Assimilation of CuS, Iron Oxide and Iron Oxide@CuS Nanoparticles in Mice: A 6-Month Follow-Up Study

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Advances in photothermal nanomaterials for biomedical, environmental and energy applications

Abstract: Materials that exhibit photothermal effect have attracted enormous research interests due to their ability to strongly absorb light and effectively transform it into heat for a wide range of applications...

Cited by 70 publications

References 192 publications

Aqueous Synthesis, Doping, and Processing of n-Type Ag2Se for High Thermoelectric Performance at Near-Room-Temperature

Aqueous Synthesis, Doping, and Processing of n-Type Ag2Se for High Thermoelectric Performance at Near-Room-Temperature

Au–Cu Bimetallic Nanostructures for Photothermal Antibacterial and Wound Healing Promotion

In Vivo Assimilation of CuS, Iron Oxide and Iron Oxide@CuS Nanoparticles in Mice: A 6-Month Follow-Up Study

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Aqueous Synthesis, Doping, and Processing of n-Type Ag₂Se for High Thermoelectric Performance at Near-Room-Temperature

Aqueous Synthesis, Doping, and Processing of n-Type Ag₂Se for High Thermoelectric Performance at Near-Room-Temperature