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Search for "photothermal" in Full Text gives 84 result(s) in Beilstein Journal of Nanotechnology.

Vinorelbine-loaded multifunctional magnetic nanoparticles as anticancer drug delivery systems: synthesis, characterization, and in vitro release study

  • Zeynep Özcan and
  • Afife Binnaz Hazar Yoruç

Beilstein J. Nanotechnol. 2024, 15, 256–269, doi:10.3762/bjnano.15.24

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  • photothermal therapy on a single platform has been developed in the form of vinorelbine-loaded polydopamine-coated iron oxide nanoparticles. Vinorelbine (VNB) is loaded on the surface of iron oxide nanoparticles produced by a solvothermal technique after coating with polydopamine (PDA) with varying weight
  • cancer therapy agent, is included in the nanocomposite structure, and in vitro drug release studies under different pH conditions (pH 5.5 and 7.4) and photothermal activity at 808 nm NIR laser irradiation are investigated. The comprehensive integration of precise multifunctional nanoparticles design
  • , magnetic response, and controlled drug release with photothermal effect brings a different perspective to advanced cancer treatment research. Keywords: drug efficacy; iron oxide nanoparticles; photothermal; solvothermal method; Introduction Cancer is a widespread condition characterized by the
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Published 28 Feb 2024

Nanocarrier systems loaded with IR780, iron oxide nanoparticles and chlorambucil for cancer theragnostics

  • Phuong-Thao Dang-Luong,
  • Hong-Phuc Nguyen,
  • Loc Le-Tuan,
  • Xuan-Thang Cao,
  • Vy Tran-Anh and
  • Hieu Vu Quang

Beilstein J. Nanotechnol. 2024, 15, 180–189, doi:10.3762/bjnano.15.17

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  • and IR783 are also promising diagnostic choices. Encapsulation of IR780 in nanoparticles can be used for imaging and photothermal, photodynamic, and combinatorial cancer therapies [20][21][22]. IR780 is also utilized in PEG-PLA nanoparticles for photodynamic therapy of human breast cancer cells [23
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Published 06 Feb 2024

Enhanced feedback performance in off-resonance AFM modes through pulse train sampling

  • Mustafa Kangül,
  • Navid Asmari,
  • Santiago H. Andany,
  • Marcos Penedo and
  • Georg E. Fantner

Beilstein J. Nanotechnol. 2024, 15, 134–143, doi:10.3762/bjnano.15.13

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  • to add a second piezo on the Z axis with a higher resonance frequency [23]. Another approach is direct actuation of the cantilever, as it typically possesses a higher resonance frequency [24][25][26]. In particular, photothermal actuation, which utilizes laser-induced heating of the cantilever, has
  • tracking compared to the conventional method, as it does not have the intrinsic delay. We observed a marginal improvement in tracking when we applied the method to high-speed photothermal ORT. Moreover, since the proposed method provides better tracking at lower ORT frequencies, it becomes possible to
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Published 01 Feb 2024

Dual-heterodyne Kelvin probe force microscopy

  • Benjamin Grévin,
  • Fatima Husainy,
  • Dmitry Aldakov and
  • Cyril Aumaître

Beilstein J. Nanotechnol. 2023, 14, 1068–1084, doi:10.3762/bjnano.14.88

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  • with the application of a light pulse (i.e., a curve is recorded at each point of the surface along a 2D grid). Again, a differential SPV image can be reconstructed from the matrix of spectroscopic curves [5]. However, this approach is not free from artefacts, in particular the cantilever photothermal
  • that the modulation frequency of the light source is set high enough, it becomes possible to “stabilize” the static bending in a steady state, and photothermal cantilever excitation can be avoided (by setting the optical modulation at a frequency that differs from the cantilever resonance eigenmodes
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Published 07 Nov 2023

Nanoarchitectonics of photothermal materials to enhance the sensitivity of lateral flow assays

  • Elangovan Sarathkumar,
  • Rajasekharan S. Anjana and
  • Ramapurath S. Jayasree

Beilstein J. Nanotechnol. 2023, 14, 988–1003, doi:10.3762/bjnano.14.82

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  • analytes using LFAs. One of the promising strategies is to enhance the photothermal properties of nanomaterials to generate heat after light irradiation, followed by a temperature measurement to detect and quantify the analyte concentration. Recently, it has been observed that the nanoscale architecture of
  • materials, including size, shape, and nanoscale composition, plays a significant role in enhancing the photothermal properties of nanomaterials. In this review, we discuss the nanoarchitectonics of nanomaterials regarding enhanced photothermal properties and their application in LFAs. Initially, we discuss
  • various important photothermal materials and their classification along with their working principle. Then, we highlight important aspects of the nanoscale architecture (i.e., size, shape, and composition) to enable maximum light-to-heat conversion efficiency. Finally, we discuss some of the recent
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Published 04 Oct 2023

Conjugated photothermal materials and structure design for solar steam generation

  • Chia-Yang Lin and
  • Tsuyoshi Michinobu

Beilstein J. Nanotechnol. 2023, 14, 454–466, doi:10.3762/bjnano.14.36

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  • Chia-Yang Lin Tsuyoshi Michinobu Department of Materials Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan 10.3762/bjnano.14.36 Abstract With the development of solar steam generation (SSG) for clean water production, conjugated photothermal
  • and describe commonly used conjugated organic materials and structural designs. Keywords: absorption; conjugated molecules; energy transfer; photothermal materials; solar steam generation; Review Introduction With the rapid development of the world economy, global water shortages are occurring
  • efficiency in solar steam generation (SSG), three factors must be considered, namely solar light absorption, photothermal conversion efficiency, and vaporization efficiency (Figure 1). In addition, the cost of the materials must be taken into consideration as large quantities at low cost are required
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Published 04 Apr 2023

Plasmonic nanotechnology for photothermal applications – an evaluation

  • A. R. Indhu,
  • L. Keerthana and
  • Gnanaprakash Dharmalingam

Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33

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  • tunability of optothermal properties and enhanced stability, these nanostructures show a wide range of applications in optical sensors, steam generation, water desalination, thermal energy storage, and biomedical applications such as photothermal (PT) therapy. The PT effect, that is, the conversion of
  • pondered on in the final section of the article, taking into account the specific requirements from different applications. Keywords: nanoparticle heating; phonons; photothermal; plasmonic; stability; surface plasmon resonance; Review 1 Introduction With an ever-increasing demand for energy and the
  • to its atoms, eventually converted to heat through a series of energy-loss processes. This conversion of electromagnetic energy into heat is called the photothermal (PT) effect. Early stages of the PT effect were initially observed in semiconductors [2], after which researchers started to explore
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Published 27 Mar 2023

Recent progress in cancer cell membrane-based nanoparticles for biomedical applications

  • Qixiong Lin,
  • Yueyou Peng,
  • Yanyan Wen,
  • Xiaoqiong Li,
  • Donglian Du,
  • Weibin Dai,
  • Wei Tian and
  • Yanfeng Meng

Beilstein J. Nanotechnol. 2023, 14, 262–279, doi:10.3762/bjnano.14.24

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  • ]. The precisely targeted thermal killing of tumor tissue can help to improve the efficiency of energy utilization and reduce power and time during ablation, which will minimize damage to normal tissue around the tumor [95]. Photothermal therapy (PTT) can generate thermal energy by using near-infrared
  • been applied to treat prostate cancer [56]. This nanoagent shows good drug-loading capacity and photosensitivity and can be applied in NIR photothermal conversion. After the autophagy inhibitor chloroquine (CQ) was loaded onto the nanocarrier, it was coated with prostate cancer cell membrane for tumor
  • targeting and hyperthermia [56]. In a therapeutic strategy for HCC, hepatoma cell membranes and macrophage membranes were hybridized to obtain the advantages of different cell membranes [78]. When nanocarriers with photothermal conversion ability were used to carry the anticancer drug sorafenib, efficient
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Published 27 Feb 2023

Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

  • Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

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  • delivered to the target site and suppress the designated gene expression. Furthermore, various CyD-based photoinduced therapies (e.g., photodynamic and photothermal therapies) are described in sections 4 and 5. Finally, some of the recent topics of CyD-based DDSs will be presented in section 6. A
  • nanoarchitectures to promote photothermal therapy In photothermal therapy, light energy is converted to thermal energy, which ultimately kills malignant cells [86]. In general, tumors are less resistant to heat than normal tissues. Advantageously, even light of long wavelengths is directly employable. Furthermore
  • molecules were threaded into the polymer chains) [87]. NIR light (808 nm) was absorbed by graphene oxide and converted into heat for photothermal therapy. At the same time, the heat induces the gel–sol transition of the hydrogel to release the encapsulated drug which add to the photothermal effect for
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Published 09 Feb 2023

Concentration-dependent photothermal conversion efficiency of gold nanoparticles under near-infrared laser and broadband irradiation

  • Vikas,
  • Raj Kumar and
  • Sanjeev Soni

Beilstein J. Nanotechnol. 2023, 14, 205–217, doi:10.3762/bjnano.14.20

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  • Organisation, Sector-30C, Chandigarh-160030, India 10.3762/bjnano.14.20 Abstract The photothermal conversion efficiency of gold different nanoparticles (GNPs) in different concentrations (1.25–20 µg/mL) and at different irradiation intensities of near-infrared (NIR) broadband and NIR laser irradiation is
  • evaluated. Results show that for a concentration of 20.0 µg/mL, 40 nm gold nanospheres, 25 × 47 nm gold nanorods (GNRs), and 10 × 41 nm GNRs show a 4–110% higher photothermal conversion efficiency under NIR broadband irradiation than under NIR laser irradiation. Broadband irradiation seems suitable to
  • –11% increase in efficiency. Under NIR laser irradiation, the photothermal conversion efficiency increases with an increase in optical power. The findings will facilitate the selection of nanoparticle concentrations, irradiation source, and irradiation power for a variety of plasmonic photothermal
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Published 06 Feb 2023

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

  • Yuran Wang,
  • Xudong Li,
  • Haijun Chen and
  • Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

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  • Synthesis and Function Discovery (Fujian Province University), Fuzhou University, Fuzhou 350116, Fujian, China 10.3762/bjnano.13.118 Abstract Gold nanoparticles with large size exhibit preferable properties for photothermal therapy (PTT). However, the prolonged tissue retention and slow elimination of gold
  • nanoparticles limit their therapeutic applications. Previously, gold nanoclusters carrying lipid nanoparticles (Au-LNPs) have been reported after simply mixing Au3+ with preformed diethylenetriaminepentaacetic acid lipid nanoparticles to solve this contradiction. Au-LNPs demonstrated enhanced photothermal
  • effects in comparison to neat gold nanoparticles. To further improve the photothermal activity, we introduced the organic photothermal agent boron dipyrromethene (BODIPY) to Au-LNPs for synergistic PTT. Au- and BODIPY-grafted LNPs (AB-LNPs) were formed by simply mixing Au-LNPs with BODIPY. The BODIPY
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Published 02 Dec 2022

A cantilever-based, ultrahigh-vacuum, low-temperature scanning probe instrument for multidimensional scanning force microscopy

  • Hao Liu,
  • Zuned Ahmed,
  • Sasa Vranjkovic,
  • Manfred Parschau,
  • Andrada-Oana Mandru and
  • Hans J. Hug

Beilstein J. Nanotechnol. 2022, 13, 1120–1140, doi:10.3762/bjnano.13.95

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  • fiber end used here). Note that at such laser powers, the cantilever quality factor is increased or decreased by photothermal effects such that two different quality factors are measured for the interferometer working points on the rising and the falling slopes of the interferometer signal [66][67][68
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Published 11 Oct 2022

Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications

  • Aisha Kanwal,
  • Naheed Bibi,
  • Sajjad Hyder,
  • Arif Muhammad,
  • Hao Ren,
  • Jiangtao Liu and
  • Zhongli Lei

Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93

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Published 05 Oct 2022

Comparing the performance of single and multifrequency Kelvin probe force microscopy techniques in air and water

  • Jason I. Kilpatrick,
  • Emrullah Kargin and
  • Brian J. Rodriguez

Beilstein J. Nanotechnol. 2022, 13, 922–943, doi:10.3762/bjnano.13.82

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  • addition, there are more exotic approaches to mapping using KPFM, for example, force volume [64], PeakForce tapping [19][52], and, although not yet reported, KPFM could be combined with the recently introduced photothermal off-resonance tapping (PORT) mode [65]. KPFM can also be combined with other
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Published 12 Sep 2022

Direct measurement of surface photovoltage by AC bias Kelvin probe force microscopy

  • Masato Miyazaki,
  • Yasuhiro Sugawara and
  • Yan Jun Li

Beilstein J. Nanotechnol. 2022, 13, 712–720, doi:10.3762/bjnano.13.63

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  • it would be useful to operate AC-KPFM with a heterodyne detection scheme [65][66][67] in order to reduce a photothermal effect on the cantilever dynamics [68][69] and measure the fast SPV phenomena. The AC-KPFM method is utilized not only for SPV measurements, but also for direct measurements of
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Published 25 Jul 2022

Photothermal ablation of murine melanomas by Fe3O4 nanoparticle clusters

  • Xue Wang,
  • Lili Xuan and
  • Ying Pan

Beilstein J. Nanotechnol. 2022, 13, 255–264, doi:10.3762/bjnano.13.20

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  • development of resistance. Here, we fabricated Fe3O4 nanoparticle clusters (NPCs), which have drawn widespread attention, and investigated their role in the treatment of melanoma by photothermal therapy (PTT). Scanning electron microscopy imaging shows that our synthesized NPCs are spherical with an average
  • the promise of Fe3O4 NPCs as a new PTT option to treat melanoma. Keywords: Fe3O4 nanoparticle clusters; heat shock protein 70; melanoma; near infrared; photothermal therapy; Introduction The global incidence of melanoma, one of the deadliest forms of cancer, has kept increasing annually over the
  • afterwards due to adverse effects or development of various resistance mechanisms, making the advent of novel strategies imperative for early diagnosis and efficient treatment [2]. Photothermal therapy (PTT) is a recently developed regimen that requires administration of nanomaterials with unique optical
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Published 22 Feb 2022

Engineered titania nanomaterials in advanced clinical applications

  • Padmavati Sahare,
  • Paulina Govea Alvarez,
  • Juan Manual Sanchez Yanez,
  • Gabriel Luna-Bárcenas,
  • Samik Chakraborty,
  • Sujay Paul and
  • Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

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  • therapeutic window for a convenient timespan to significantly improve the remedy for several diseases, including cancer. TiO2 nanomaterials are often used as photosensitizers or as carriers for the delivery of photosensitizing agents, which enhances therapeutic efficacy by increasing the photothermal
  • their clinical applications, including their usage as an implant material, antimicrobial agent, drug delivery vehicle, photothermal therapeutic tool, and antivenom. In addition, the intriguing physical and chemical properties of titania nanomaterials that affect their biocompatibility are also discussed
  • biomedicine. Titania nanomaterials for phototherapeutic applications Phototherapy breakthroughs, including photodynamic therapy (PDT) and photothermal therapy (PTT), have established new frontiers in the therapy of cancer and other chronic diseases. The process of inducing cell death using ROS-producing
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Published 14 Feb 2022

Cantilever signature of tip detachment during contact resonance AFM

  • Devin Kalafut,
  • Ryan Wagner,
  • Maria Jose Cadena,
  • Anil Bajaj and
  • Arvind Raman

Beilstein J. Nanotechnol. 2021, 12, 1286–1296, doi:10.3762/bjnano.12.96

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  • connect the qualitative and quantitative behavior to experimental features. Keywords: atomic force microscopy (AFM); contact resonance; nonlinear normal mode (NNM); tip–sample detachment; photothermal excitation; Introduction Contact resonance atomic force microscopy (CR-AFM) [1][2], piezoresponse force
  • the first contact resonance frequency. With increasing drive amplitude, the response amplitude of the resonance peak increases, but the frequency of the resonance peak decreases, that is, a nonlinear softening effect. Once a certain drive amplitude threshold is crossed (approx. 3.0 mW photothermal
  • Asylum Research’s blueDrive photothermal excitation module for laser-based excitation of the cantilever. The optical lever sensitivity (OLS) corresponding to the static cantilever beam shape with a point load at the tip was calculated from a force displacement curve [32] on the silicon sample. The
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Published 24 Nov 2021

Self-assembly of amino acids toward functional biomaterials

  • Huan Ren,
  • Lifang Wu,
  • Lina Tan,
  • Yanni Bao,
  • Yuchen Ma,
  • Yong Jin and
  • Qianli Zou

Beilstein J. Nanotechnol. 2021, 12, 1140–1150, doi:10.3762/bjnano.12.85

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  • been shown that a novel protein-based nanoparticle with enhanced photothermal effect has been obtained for antitumor therapy using metal ions, proteins, and photosensitizers as building blocks [69]. The integration of metal ions significantly improved the structural stability and photothermal
  • time. However, a weak fluorescence signal was observed in the tumor site of the mice treated with free Ce6. Designing nanoplatforms responsive to pH, enzymes, and photothermal stimuli is critical to enhance cellular uptake and control PS release [79][80][81]. Nanoplatforms responsive to pH undergo
  • diagnosis and treatment because of its strong absorption ability in the near-infrared region [84]. However, ICG has poor stability and a short half-life, thus limiting its use in photothermal therapy. Liu et al. [85] developed a nanoparticle based on phenylalanine, geniposide, and ICG for antitumor
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Published 12 Oct 2021

Use of nanosystems to improve the anticancer effects of curcumin

  • Andrea M. Araya-Sibaja,
  • Norma J. Salazar-López,
  • Krissia Wilhelm Romero,
  • José R. Vega-Baudrit,
  • J. Abraham Domínguez-Avila,
  • Carlos A. Velázquez Contreras,
  • Ramón E. Robles-Zepeda,
  • Mirtha Navarro-Hoyos and
  • Gustavo A. González-Aguilar

Beilstein J. Nanotechnol. 2021, 12, 1047–1062, doi:10.3762/bjnano.12.78

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  • promising application of gold nanostructures with CUR-loaded alginate microgels, which showed photothermal properties. High CUR retention and preferential toxicity against cancerous cells was also shown. The photoactive agent, wavelength, time of exposure, and distance to the light source are important
  • factors that determine the effectiveness of phototherapy against cancer cells [142]. For example, Rahimi-Moghaddam et al. [140] reported a higher cytotoxic effect of a gold–CUR nanosystem used as photothermal therapy against breast cancer cells when exposed to an 808 nm laser (1.5 W/cm2), as compared to a
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Published 15 Sep 2021

The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles

  • Nabojit Das,
  • Akash Kumar and
  • Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69

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  • ability of NIR/IR rays to deeply penetrate tissues, enabling nanoparticle-mediated photothermal or contrast effects. However, the final purpose of these nanomaterials for biological applications is determined after successful toxicity assessment and stability evaluation in biological media [8
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Published 18 Aug 2021

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

  • Sepand Tehrani Fateh,
  • Lida Moradi,
  • Elmira Kohan,
  • Michael R. Hamblin and
  • Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

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Published 11 Aug 2021

Rapid controlled synthesis of gold–platinum nanorods with excellent photothermal properties under 808 nm excitation

  • Jialin Wang,
  • Qianqian Duan,
  • Min Yang,
  • Boye Zhang,
  • Li Guo,
  • Pengcui Li,
  • Wendong Zhang and
  • Shengbo Sang

Beilstein J. Nanotechnol. 2021, 12, 462–472, doi:10.3762/bjnano.12.37

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  • of Technology, Taiyuan 030024, Shanxi, China Department of Orthopedics, the Second Hospital of Shanxi Medical University, Taiyuan 030024, Shanxi, China 10.3762/bjnano.12.37 Abstract Noble metal nanomaterials are particularly suitable as photothermal transduction agents (PTAs) with high photothermal
  • proposed. The synthesized Au@Pt NRs have a longitudinal LSPR wavelength of 812 nm, which is very close to a common laser wavelength of 808 nm. The Au@Pt NRs exhibit excellent photothermal properties when irradiated with a laser. The temperature increased by more than 36 °C after irradiation for 10 min
  • , with a PCE of about 78.77%, which is much higher than that of AuNRs (57.33%). In addition, even after four on/off cycles, the Au@Pt NRs are able to maintain the photothermal properties and retain their optical properties, indicating that they have excellent photothermal stability and reusability
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Published 17 May 2021

A review on nanostructured silver as a basic ingredient in medicine: physicochemical parameters and characterization

  • Gabriel M. Misirli,
  • Kishore Sridharan and
  • Shirley M. P. Abrantes

Beilstein J. Nanotechnol. 2021, 12, 440–461, doi:10.3762/bjnano.12.36

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  • biomedical applications, such as in therapies that involve magnetic manipulation with photothermal effect promoting a localized bactericidal activity [42][47][48][49]. Properties and oxidative dissolution The oxidative dissolution of AgNPs occurs by the oxidation of silver to silver oxide (Ag2O), with
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Published 14 May 2021

Doxorubicin-loaded gold nanorods: a multifunctional chemo-photothermal nanoplatform for cancer management

  • Uzma Azeem Awan,
  • Abida Raza,
  • Shaukat Ali,
  • Rida Fatima Saeed and
  • Nosheen Akhtar

Beilstein J. Nanotechnol. 2021, 12, 295–303, doi:10.3762/bjnano.12.24

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  • study was to fabricate biocompatible multifunctional drug-loaded nanoscale moieties for co-therapy (chemo-photothermal therapy) with maximum efficacy and minimum side effects. Herein, we report in vitro anticancerous effects of doxorubicin (DOX) loaded on gold nanorods coated with the polyelectrolyte
  • compared to non-irradiated samples (p < 0.05). The zeta potential values of GNRs, PSS-GNRs and DOX-PSS-GNRs were measured as 42 ± 0.1 mV, −40 ± 0.3 mV and 39.3 ± 0.6 mV, respectively. PSS-GNRs nanocomplexes were found to be biocompatible and showed higher photothermal stability. The DOX-conjugated
  • based on chemotherapy and photothermal strategies appears to be a promising platform in cancer management. Keywords: chemotherapy; doxorubicin; gold nanorods; NIR laser; photothermal therapy; Introduction Despite the enormous advances in medical research, cancer is still the second most common cause
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Published 31 Mar 2021
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