Classification and application of metal-based nanoantioxidants in medicine and healthcare

• Nguyen Nhat Nam,
• Nguyen Khoi Song Tran,
• Tan Tai Nguyen,
• Nguyen Ngoc Trai,
• Nguyen Phuong Thuy,
• Hoang Dang Khoa Do,
• Nhu Hoa Thi Tran and
• Kieu The Loan Trinh

Beilstein J. Nanotechnol. 2024, 15, 396–415, doi:10.3762/bjnano.15.36

• [119]. The main pathogenic mechanisms of Alzheimer’s disease involve not only ROS overproduction but also amyloid beta (Aβ) fibril accumulation. Liu et al. reported a nanosystem employing polydopamine and ruthenium (PDA-Ru) as key elements for ROS scavenging and decomposition of mature Aβ fibrils [120

• of metal-based nanoantioxidants and the reduction of detrimental effects of these nanomaterials on human health. Surface modification can become an effective method to decrease the toxicity of nanomaterials through coating with biocompatible polymers such as chitosan, polydopamine, and polyethylene

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

• 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

• neurotransmitter naturally occurring in the brain and can spontaneously polymerize into polydopamine (PDA) under alkaline conditions without oxidants [22]. Polydopamine can form a coating with biocompatibility advantages, achieving up to 40% photothermal conversion efficiency, nanoscale dimensions, and

• effects of cancer drugs or to significantly increase clinical compliance. Zhao et al. synthesized vinorelbine-loaded and RGD-functionalized polydopamine-coated Fe3O4 superparticles via thermal decomposition [34]. Our study utilizes a solvothermal method to synthesize nanostructures with a spherical

Fluorescent bioinspired albumin/polydopamine nanoparticles and their interactions with Escherichia coli cells

• Eloïse Equy,
• Jordana Hirtzel,
• Sophie Hellé,
• Béatrice Heurtault,
• Eric Mathieu,
• Morgane Rabineau,
• Vincent Ball and
• Lydie Ploux

Beilstein J. Nanotechnol. 2023, 14, 1208–1224, doi:10.3762/bjnano.14.100

• , France UMR 7199, CNRS/University of Strasbourg, 74 route du Rhin, 67401 Illkirch, France CNRS, 23 rue du Loess, 67200 Strasbourg, France 10.3762/bjnano.14.100 Abstract Inspired by the eumelanin aggregates in human skin, polydopamine nanoparticles (PDA NPs) are promising nanovectors for biomedical

• labelled BSA/PDA NPs to track bacteria and carry drugs in the core of bacterial cells. Keywords: accumulation; albumin; antibacterial; Escherichia coli; fluorescence; nanoparticles; penetration; polydopamine; Introduction Organic nanoparticles (ONPs) are used to target and deliver drugs to tissue and

• bacteria. Inspired by the eumelanin aggregates in human skin, polydopamine nanoaggregates (here referred to as nanoparticles, i.e., PDA NPs) have emerged as promising nanovectors for biomedical applications [11][12], especially because of their biocompatibility [13][14] and photothermic properties [15][16

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

• , polymers such as polyaniline (PANI), poly(3,4-ethylenedioxythiophene) (PEDOT) and polydopamine (PDA) are used as photothermal agents. After protonation in acidic environments, PANI absorbs photons in the NIR range. PEDOT maintains its photothermal properties even after continuous heating or cooling [24

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

• (PPy), polyaniline (PANI), and polydopamine (PDA) (Figure 5). Polypyrrole: Polypyrrole (PPy), a conjugated conducting polymer, has a broad optical absorption spectrum and is an excellent solar thermal material. PPy is a promising candidate because of its inexpensive and simple synthetic process

• scattering. After crosslinking PANI, the porous hydrogel sample exhibited a broader and stronger absorption (98.5%) than the pure PEGDA sample, especially in the visible and near-infrared regions. Polydopamine: Polydopamine (PDA) has shown great potential in the field of solar-driven desalination due to its

• ][49][50]. In 2021, Zou et al. developed a biodegradable and sustainable bilayer composite for highly efficient solar evaporation based on a photothermally enhanced arginine-doped polydopamine (APDA) and raw wood [47]. In this study, APDA coatings with enhanced photothermal effects were prepared by

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

• (NIR) radiation to ablate cells or trigger the release of related therapeutic drugs [94][96]. PTT is characterized by noninvasiveness, deep tissue penetration, and high anticancer efficiency, showing good prospects in clinical treatment [97]. Biomimetic NPs of mesoporous polydopamine nanocarriers have

Application of nanoarchitectonics in moist-electric generation

• Jia-Cheng Feng and
• Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

• capacity in different directions, which naturally leads to a difference in the concentration of ions contained in the film material. These film materials include biological nanofibers (NFs) [85], porous polydopamine (g-PDA) [84], protein nanowires [86], and gelatin molecules [87], which yielded output

Biomimetic chitosan with biocomposite nanomaterials for bone tissue repair and regeneration

• Se-Kwon Kim,
• Sesha Subramanian Murugan,
• Pandurang Appana Dalavi,
• Sebanti Gupta,
• Sukumaran Anil,
• Gi Hun Seong and
• Jayachandran Venkatesan

Beilstein J. Nanotechnol. 2022, 13, 1051–1067, doi:10.3762/bjnano.13.92

• research due to its intrinsic antimicrobial properties. Xie et al. (2019) developed AgNPs composites containing polydopamine–hydroxyapatite–chitosan by adding AgNPs to hybrid materials, which significantly reduced microbial infection in the implanted place [109]. Polydopamine and chitosan play an important

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

• Ioana Marica,
• Fran Nekvapil,
• Maria Ștefan,
• Cosmin Farcău and
• Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

• distribution of all elements. A more exotic strategy for developing SERS substrates based on ZnO and Ag was investigated by Chin et al. by employing a long-range π-conjugated segment, namely polydopamine, as an adhesive layer that can provide effective charge redistribution between the metal and semiconductor

• [53]. Additionally, the polydopamine layer assured a large number of functional groups, which served as anchors for controlled distribution and growth of Ag NPs, durability of the substrate, and biocompatibility. Fewer studies paid attention to the reversed structural configuration based on coating

• at the ZnO–analyte or ZnO–Ag NP interface. Chin et al. [53] fabricated polydopamine-ZnO–based substrates using increasing Ag NP deposition times and observed a gradually decrease of the detected concentration of rhodamine 6G with increasing deposition time. However, for longer deposition times, which

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

• Zahra Nabizadeh,
• Mahmoud Nasrollahzadeh,
• Hamed Daemi,
• Mohamadreza Baghaban Eslaminejad,
• Ali Akbar Shabani,
• Mehdi Dadashpour,
• Majid Mirmohammadkhani and
• Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

• regeneration of cartilage tissue, researchers successfully designed and fabricated aligned porous PLLA electrospun fibers with biomimetic surfaces by combining the electrospinning process with the polydopamine (PDA) coating approach. The in vivo results of this study in a rabbit cartilage defect model showed

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

• Senuri Kumarage,
• Imalka Munaweera and
• Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

• flexible nanohybrid membrane of Pd NP-decorated polydopamine-SiO2/PVA, which can simultaneously remove organic dyes, chemicals, and oils [83]. (Figure 4 and Figure 5) Superhydrophilicity was found to be a synergistic effect of numerous hydroxy groups from SiO2 NPs and the nano/microscale surface roughness

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

Paper-based triboelectric nanogenerators and their applications: a review

• Jing Han,
• Nuo Xu,
• Yuchen Liang,
• Mei Ding,
• Junyi Zhai,
• Qijun Sun and
• Zhong Lin Wang

Beilstein J. Nanotechnol. 2021, 12, 151–171, doi:10.3762/bjnano.12.12

• polydopamine to improve the output voltage of TENGs by approx. 3.5 times in comparison with unmodified TENGs. Another typical method to prepare nanoscale paper with different electrical properties is by using vacuum filtration (VF) to either obtain dielectric cellulose nanofiber (CNF)- based nanoscale paper or

Photothermally active nanoparticles as a promising tool for eliminating bacteria and biofilms

• Mykola Borzenkov,
• Piersandro Pallavicini,
• Angelo Taglietti,
• Laura D’Alfonso,
• Maddalena Collini and
• Giuseppe Chirico

Beilstein J. Nanotechnol. 2020, 11, 1134–1146, doi:10.3762/bjnano.11.98

• photothermal ablation of different bacterial strains (Gram-positive, Gram-negative, and anaerobic bacteria). A chemo-photothermal therapeutic hybrid based on polydopamine-coated gold nanorods was also developed [60]. Such coating acquired a high Ag+ loading efficiency. It was found that apart from the direct

• engineered to combat bacterial infections by integrating bacterial conjugation and NIR-triggered photothermal sterilization [97]. In a very recent publication, polyethylene glycol (PEG)-MoS2 nanosheets additionally functionalized with an antibody (anti-protein A lgG) and polydopamine were applied to induce

Polydopamine-coated Au nanorods for targeted fluorescent cell imaging and photothermal therapy

• Boris N. Khlebtsov,
• Andrey M. Burov,
• Timofey E. Pylaev and
• Nikolai G. Khlebtsov

Beilstein J. Nanotechnol. 2019, 10, 794–803, doi:10.3762/bjnano.10.79

• with functional groups still remains challenging. Here, we coated AuNRs with a polydopamine (PDA) shell and functionalized AuNR-PDA particles with folic acid and rhodamine 123 (R123) to fabricate AuNR-PDA-R123-folate nanocomposites. To the best of our knowledge, such AuNR-PDA-based composites combining

• theranostics in the future. Keywords: Au nanorods; cancer theranostics; fluorescent bioimaging; folate; polydopamine; targeted phototherapy; Introduction Multifunctional imaging and combined multimodal therapy strategies are very promising in cancer theranostics [1][2]. Possible way for such purpose is to

• tunable shell thickness. The most popular coatings such as mesoporous silica, PEG and polyelectrolyte shells do not meet the above quality criteria. In 2007 Messersmith et al. reported the mussel-inspired adhesive polydopamine (PDA) multifunctional coating for various materials including nanoparticles [25

Uniform cobalt nanoparticles embedded in hexagonal mesoporous nanoplates as a magnetically separable, recyclable adsorbent

• Can Zhao,
• Yuexiao Song,
• Tianyu Xiang,
• Wenxiu Qu,
• Shuo Lou,
• Xiaohong Yin and
• Feng Xin

Beilstein J. Nanotechnol. 2018, 9, 1770–1781, doi:10.3762/bjnano.9.168

• University of Technology, Tianjin 300384, China 10.3762/bjnano.9.168 Abstract Novel hexagonal nanoplates (NPLs) comprised of mesoporous carbon containing imbedded magnetic Co nanoparticles (CoAl2O4 phase) are prepared through direct carbonization of polydopamine (PDA)-coated CoAl layered double hydroxide

• : absorbent regeneration; CoAl layered double hydroxide; efficient adsorbent; hexagonal nanoplates; magnetic nanoparticles; polydopamine; Introduction Nanocomposites with unique electronic, mechanical, magnetic, and physicochemical properties have gained much attention because of their large specific surface

• be used as a type of carbon precursor with a high carbonization yield even at a high carbonization temperature [20]. More notably, it can self-polymerize under weak basic conditions at room temperature [21] and form a uniform coating [22] on almost any surface. The obtained polydopamine (PDA)-coated

Anchoring Fe₃O₄ nanoparticles in a reduced graphene oxide aerogel matrix via polydopamine coating

• Błażej Scheibe,
• Radosław Mrówczyński,
• Natalia Michalak,
• Karol Załęski,
• Michał Matczak,
• Mateusz Kempiński,
• Zuzanna Pietralik,
• Mikołaj Lewandowski,
• Stefan Jurga and
• Feliks Stobiecki

Beilstein J. Nanotechnol. 2018, 9, 591–601, doi:10.3762/bjnano.9.55

• magnetic actuators. However, the tendency of magnetite particles to migrate within the matrix and, ultimately, escape from the aerogel structure, remains a technological challenge. In this article we show that coating magnetite particles with polydopamine anchors them on graphene oxide defects

• , immobilizing the particles in the matrix and, at the same time, improving the aerogel structure. Polydopamine coating does not affect the magnetic properties of magnetite particles, making the fabricated materials promising for industrial applications. Keywords: aerogel; composite; Fe3O4 nanoparticles

• ; polydopamine; reduced graphene oxide; Introduction Preparation of hybrid aerogels based on two-dimensional carbon nanomaterials with unique physicochemical properties is among the most popular recent nanotechnological trends [1]. With this respect, graphene oxide (GO) is one of the most exploited aerogel