photothermal conversion infrared

photothermal conversion infrared

  • Near-infrared photothermal conversion of stable radicals ...

    The photo-generated radical exhibited a remarkable near-infrared (NIR) photothermal effect with good recyclability and high conversion efficiency. To our knowledge, this is the first example of a crystalline viologen-based coordination polymer that functions as a NIR photothermal material by

  • A Hierarchical Assembly Strategy for Near-Infrared ...

    Herein, we report a hierarchical assembly strategy for constructing heterogeneous half-sandwich organometallic D-A (D = π-donor, A = π-acceptor) interlocked structures, and their application in near-infrared (NIR) photothermal conversion. Thienothiophene and diketopyrrolopyrrole groups were selected as the D

  • Transformable hybrid semiconducting polymer nanozyme for ...

    We herein report a hybrid semiconducting nanozyme (HSN) with high photothermal conversion efficiency for photoacoustic (PA) imaging-guided second near-infrared photothermal ferrotherapy. HSN comprises an amphiphilic semiconducting polymer as photothermal converter, PA emitter and iron-chelating Fenton catalyst. Upon photoirradiation, HSN generates heat not only to induce cytotoxicity

  • Cited by: 10
  • Cocrystals Strategy towards Materials for Near‐Infrared ...

    A cocrystal strategy with a simple preparation process is developed to prepare novel materials for near‐infrared photothermal (PT) conversion and imaging. DBTTF and TCNB are selected as electron donor (D) and electron acceptor (A) to self‐assemble into new cocrystals through non‐covalent interactions. The strong D–A interaction leads to a narrow band gap with NIR absorption and that both

  • Cited by: 56
  • Highly Efficient Photothermal Conversion of Ti3C2Tx/Ionic ...

    Photothermal conversion behavior has a vital application to disease therapy, water purification, or uncontacted heaters. The fabrication of high-performance photothermal conversion materials especially for near-infrared (NIR) light and microstructures has attracted a great deal of attention. Among numerous substances, MXene as a new type of 2D material with semi-metallic and unique electromagnetic

  • Author: Haoge Cheng, Qiongxia Liu, Shengpeng Han, Shuai Zhang, Xiao Ouyang, Xun Wang, Zhilong Duan, Hao Wei,...
  • Near-infrared photothermal immunoassay for pancreatic ...

    2020-02-15  Typically, the nano labels-based photothermal sensing systems are executed by adsorbing and converting wavelengths of the light into heat. Prussian blue nanoparticle (PBNP), an advanced cost-effective photothermal agent under near-infrared (NIR) light irradiation, can exhibit unique photothermal effect because of low cost and easy preparation . Thanks to the steric effect, the

  • Cited by: 2
  • Bioinspired Au–CuS coupled photothermal materials ...

    2015-10-01  Moreover, the Au–CuS_T_FW not only possesses a predominant infrared photothermal conversion performance (30.56%), but also is effective for solar photothermal conversion, for low-temperature applications (T<60 °C). Furthermore, the plasmon coupling effect integrates with the SAPS to enhance broadband infrared absorption, and the coherent coupling between adjacent resonant

  • Cited by: 22
  • Highly Efficient NIR-II Photothermal Conversion Based on ...

    According to transient absorption analysis results, the photothermal conversion ability of this polymer is attributed to the fast internal conversion (IC) process. The high photothermal conversion efficiency makes this polymer a promising NIR-II adsorbing antenna to remotely actuate thermo-dependent devices, e.g., high-performance photothermal–electrical and photothermal–mechanical converters.

  • Cited by: 89
  • Near-infrared optogenetic engineering of photothermal ...

    2020-02-04  Herein, we develop an optogenetically activatable CRISPR-Cas9 nanosystem (termed nanoCRISPR), and demonstrate that programmable and inducible genome editing can be simply manipulated through photothermal regulation of nanoCRISPR in the second near-infrared optical window. The genome-editing activity and spatial specificity can be precisely programmed by photothermal

  • Cited by: 12
  • Optical photothermal infrared and Raman spectroscopy with ...

    Optical Photothermal Infrared spectroscopy overcomes the key limitations of FTIR and Raman by providing for a sub-micron, non-contact and fluorescence free rapid analysis. When combined with simultaneous Raman, it provides for a unique complementary and

  • Near-infrared optogenetic engineering of photothermal ...

    Although a few types of organic (42, 43) and inorganic nanomaterials that absorb NIR-II light have been developed, AR was selected as a building block for APC largely due to its high photothermal conversion rate and photothermal stability . Furthermore, the AR not only converts the external photonic energy into intracellular local heat but also serves as a template where the cationic polymers ...

  • Preparation and near-infrared photothermal conversion ...

    2013-02-05  Keywords: Cesium tungsten oxide, Nanoparticles, Near infrared, Photothermal conversion, Bead milling. Background. Plasmonic nanomaterials could exhibit special absorption via the excitation of surface plasmon [1-3], and the maximum absorption band was highly sensitive to the particle’s size [4,5], shape , local environment , and the coupling between near nanoparticles .

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  • Preparation and near-infrared photothermal conversion ...

    2013-02-05  Chen CJ, Chen DH: Preparation of LaB6 nanoparticles as a novel and effective near-infrared photothermal conversion material. Chem Eng J 2012, 180: 337–342. Article Google Scholar 26. Liu JX, Ando Y, Dong XL, Shi F, Yin S, Adachi K, Chonan T, Tanaka A, Sato T: Microstructure and electrical–optical properties of cesium tungsten oxides synthesized by solvothermal reaction followed

  • photothermal conversion infrared

    Highly Efficient Near Infrared Photothermal Conversion . Jul 22, 2017018332In order to evaluate the photothermal conversion properties of the nanocomposites, the samples were irradiated with an infrared lamp at a power of 150 W and the temperature distribution was recorded by using a thermal imaging camera FLIR P384A320, CTCT, Co. Ltd., Taipei, Taiwan. Get Price. near infrared photothermal ...

  • Frontiers Aza-Based Donor-Acceptor Conjugated Polymer ...

    2019-05-21  It is highly desired that synthesis of photothermal agents with near-infrared (NIR) absorption, excellent photostability, and high photothermal conversion efficiency are essential for potential applications. In this work, three (D-A) conjugated polymers (PBABDF-BDTT, PBABDF-BT, and PBABDF-TVT) based on aza-heterocycle, bis(2-oxo-7-azaindolin-3-ylidene)benzodifurandione

  • near-infrared photothermal conversion Charge transfer co ...

    near-infrared photothermal conversion Danbo Wang,a Xiaonan Kan,a Chenyu Wu,b Yuzhen Gong,a Guangming Guo,a Tongling Liang,c Lan Wang,a Zhibo Li*a and Yingjie Zhao*a a Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China b

  • Quantifying the photothermal conversion efficiency of ...

    2019-12-17  Photothermal conversion efficiencies η as well as MHRs of three types of GNR dispersions have been quantified by combining the temperature transients in time and thermal images in space recorded at terahertz frequencies. In the light of recent developments of compact and affordable THz-TDS systems with fast imaging capabilities, this work may pave the way to simplify and improve

  • Gold Nanorods: Near-Infrared Plasmonic Photothermal ...

    Gold Nanorods: Near-Infrared Plasmonic Photothermal Conversion and Surface Coating Bo Cong 1, Caixia Kan1,2*, Honggeng Wang , Jinsheng Liu1, Haiying Xu1, Shanlin Ke1. 1. College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing, China. 2. Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, China Email: [email protected], * cxkan ...

  • Photothermal therapy - Wikipedia

    Photothermal therapy (PTT) refers to efforts to use electromagnetic radiation (most often in infrared wavelengths) for the treatment of various medical conditions, including cancer.This approach is an extension of photodynamic therapy, in which a photosensitizer is excited with specific band light. This activation brings the sensitizer to an excited state where it then releases vibrational ...

  • Optical photothermal infrared and Raman spectroscopy with ...

    Optical Photothermal Infrared spectroscopy overcomes the key limitations of FTIR and Raman by providing for a sub-micron, non-contact and fluorescence free rapid analysis. When combined with simultaneous Raman, it provides for a unique complementary and confirmatory sample analysis experience. Learn more . Wide applications capabilities. O-PTIR enables unique breakthrough

  • Gold Nanorods: Near-Infrared Plasmonic Photothermal ...

    Gold Nanorods: Near-Infrared Plasmonic Photothermal Conversion and Surface Coating Bo Cong 1, Caixia Kan1,2*, Honggeng Wang , Jinsheng Liu1, Haiying Xu1, Shanlin Ke1. 1. College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing, China. 2. Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, China Email: [email protected], * cxkan ...

  • Frontiers Aza-Based Donor-Acceptor Conjugated Polymer ...

    2019-05-21  It is highly desired that synthesis of photothermal agents with near-infrared (NIR) absorption, excellent photostability, and high photothermal conversion efficiency are essential for potential applications. In this work, three (D-A) conjugated polymers (PBABDF-BDTT, PBABDF-BT, and PBABDF-TVT) based on aza-heterocycle, bis(2-oxo-7-azaindolin-3-ylidene)benzodifurandione

  • Photothermal Conversion of W18O49 with a Tunable Oxidation ...

    2017-01-18  W 18 O 49 exhibits strong valence‐dependent absorption features in the near‐IR region. Reduced W 18 O 49 with more W 5+ has a higher concentration of oxygen vacancies, which enhances the localized surface plasmon resonance effect. Reduced W 18 O 49 exhibits a high photothermal conversion efficiency of 59.6 % and has good photothermal stability. 1 Introduction. Photothermal conversion

  • photothermal conversion infrared

    Highly Efficient Near Infrared Photothermal Conversion . Jul 22, 2017018332In order to evaluate the photothermal conversion properties of the nanocomposites, the samples were irradiated with an infrared lamp at a power of 150 W and the temperature distribution was recorded by using a thermal imaging camera FLIR P384A320, CTCT, Co. Ltd., Taipei, Taiwan. Get Price. near infrared photothermal ...

  • near-infrared photothermal conversion Charge transfer co ...

    near-infrared photothermal conversion Danbo Wang,a Xiaonan Kan,a Chenyu Wu,b Yuzhen Gong,a Guangming Guo,a Tongling Liang,c Lan Wang,a Zhibo Li*a and Yingjie Zhao*a a Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China b

  • Conjugated microporous polymers for near-infrared ...

    Conjugated microporous polymers for near-infrared photothermal control of shape change JialongWu 1 ,YongweiWu 1 ,ZepengHe 2 ,ZihuaLi 1 ,HuahuaHuang 1* ,YongmingChen 1 and

  • Albumin tailoring fluorescence and photothermal conversion ...

    There is a balance between the fluorescence and photothermal properties of fluorescent molecules. Here, the authors report on an NIR-II fluorophore which binds with human serum albumin changing ...

  • Upconversion-Magnetic Carbon Sphere for Near Infrared ...

    Infrared Light-Triggered Bioimaging and Photothermal Therapy Jiaxin Wang1,2, ... photothermal conversion improves the therapy effect in cancer [24,25] compared with single-function photothermal agents because the magnetic component enables convenient enrichment of the nanocomposites and magnetically targeted drug delivery [26,27]. In this case, a novel cancer theranostic agent was

  • GSH depletion liposome adjuvant for augmenting the ...

    This system was traditionally applied as the indicator of hydrogen peroxide (H 2 O 2), evaluated by the conversion of ABTS to ABTS + to generate a strong near-infrared (NIR) absorbance of 500 to 1000 nm (19, 20). In our knowledge, materials with NIR absorbance tended to induce the photoacoustic (PA) signal and photothermal effect after laser irradiation. It inspired us to develop the ABTS ...

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  • Albumin tailoring fluorescence and photothermal conversion ...

    There is a balance between the fluorescence and photothermal properties of fluorescent molecules. Here, the authors report on an NIR-II fluorophore which binds with human serum albumin changing ...

  • photothermal conversion infrared

    Highly Efficient Near Infrared Photothermal Conversion . Jul 22, 2017018332In order to evaluate the photothermal conversion properties of the nanocomposites, the samples were irradiated with an infrared lamp at a power of 150 W and the temperature distribution was recorded by using a thermal imaging camera FLIR P384A320, CTCT, Co. Ltd., Taipei, Taiwan. Get Price. near infrared photothermal ...

  • photothermal conversion infrared - sahaara-concept.de

    photothermal conversion infrared - Optical characteristics and photothermal conversion of ... Nov 15, 2013 From the photothermal conversion efficiency measurement using an infrared thermography under irradiation of visible and NIR light, interestingly, it was found that the natural colloids have higher photothermal conversion efficiency, as compared with those of Get Price. Near ...

  • Stable radical anions generated from a porous ...

    2019-02-15  Because of the high yield and stability of the radical anions, which are the basis for near-infrared photothermal conversion, the framework shows high near-infrared photothermal conversion efficiency (η = 52.3%). The work provides an efficient and simple method towards ambient stable radical anions and affords a promising material for photothermal therapy. Free full text . Nat

  • Refreshing Rubbers as Customized Photothermal Conversion ...

    Organic conjugated polymers with low energy bandgaps are emerging as a particular class of near‐infrared (NIR) photothermal conversion materials. However, these polymers routinely possess high phase transition temperatures due to the rigid skeleton and strong intermolecular interactions. Conjugated polymers can rarely be thermally processed at low temperature, especially below 100 °C.

  • Gold nanoparticle clusters for the investigation of ...

    2020-02-17  Gold particles have been widely used in the treatment of prostate cancer due to their unique optical properties, such as their light-heat conversion in response to near-infrared radiation. Due to well-defined synthesis mechanisms and simple manufacturing methods, gold particles have been fabricated in various sizes and shapes. However, the low photothermal transduction efficiency in their ...

  • Preparation and near-infrared photothermal conversion ...

    Furthermore, they exhibited a strong characteristic absorption and an excellent photothermal conversion property in the near-infrared (NIR) region, owing to the free electrons or polarons. Also, the NIR absorption and photothermal conversion property became more significant with decreasing particle size or increasing particle concentration ...

  • Upconversion-Magnetic Carbon Sphere for Near Infrared ...

    Infrared Light-Triggered Bioimaging and Photothermal Therapy Jiaxin Wang1,2, ... photothermal conversion improves the therapy effect in cancer [24,25] compared with single-function photothermal agents because the magnetic component enables convenient enrichment of the nanocomposites and magnetically targeted drug delivery [26,27]. In this case, a novel cancer theranostic agent was

  • Near-infrared photoresponsive drug delivery nanosystems ...

    2020-08-03  Due to the excellent photothermal conversion efficacy, NIR-absorbing dyes, polydopamine, Prussian blue, carbon, copper sulfide (CuS), ... Xie C, Pu K. Dual-peak absorbing semiconducting copolymer nanoparticles for first and second near-infrared window photothermal therapy: a comparative study. Adv Mater. 2018;30:1705980. Google Scholar 119. Maruoka Y, Nagaya

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