Emerging strategies in the sustainable removal of antibiotics using semiconductor-based photocatalysts

• Yunus Ahmed,
• Keya Rani Dutta,
• Parul Akhtar,
• Md. Arif Hossen,
• Md. Jahangir Alam,
• Obaid A. Alharbi,
• Hamad AlMohamadi and
• Abdul Wahab Mohammad

Beilstein J. Nanotechnol. 2025, 16, 264–285, doi:10.3762/bjnano.16.21

• improve the performance and scalability for wider use in real-world situations. Keywords: antibiotics; degradation pathways; heterojunctions; mechanisms; photocatalysts; semiconductor; Introduction Antibiotics are chemical substances used to treat bacterial infections in humans, animals, aquaculture

• different phases of the typical photocatalytic decomposition of antibiotics. Materials scientists have suggested and acknowledged two distinct degradation pathways [56]. The first pathway occurs when the semiconductor’s CB potential is more negative than the O2/O2•− redox potential (−0.13 eV vs normal

Recognition mechanisms of hemoglobin particles by monocytes – CD163 may just be one

• Jonathan-Gabriel Nimz,
• Pichayut Rerkshanandana,
• Chiraphat Kloypan,
• Ulrich Kalus,
• Saranya Chaiwaree,
• Axel Pruß,
• Radostina Georgieva,
• Yu Xiong and
• Hans Bäumler

Beilstein J. Nanotechnol. 2023, 14, 1028–1040, doi:10.3762/bjnano.14.85

• occur in the liver [24][25][26]. The question of the mechanisms by which HBOCs are sequestered remains partly unclear though. Possible degradation pathways include haptoglobin (Hp), which, depending on the size and surface properties of HBOCs, could bind its physiological target protein hemoglobin [16

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

• Akeem Adeyemi Oladipo and
• Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

• mechanisms is included, along with potential antibiotic and dye degradation pathways in wastewater. Finally, areas that require additional study and attention regarding the usage of photocatalysts based on bismuth for removing pharmaceuticals and textile dyes from wastewater, particularly for real-world

Spindle-like MIL101(Fe) decorated with Bi₂O₃ nanoparticles for enhanced degradation of chlortetracycline under visible-light irradiation

• Chen-chen Hao,
• Fang-yan Chen,
• Kun Bian,
• Yu-bin Tang and
• Wei-long Shi

Beilstein J. Nanotechnol. 2022, 13, 1038–1050, doi:10.3762/bjnano.13.91

• experiment and electron spin resonance (ESR) experiment suggest that the electron transfer path between Bi2O3 and MIL101(Fe) accords with the Z-type transfer mechanism. The possible photocatalytic degradation pathways were investigated via the analysis of the intermediate products in the degradation process

• existence of a BOM-20 heterojunction, the intermediate products in CTC degradation were detected by liquid chromatography–mass spectrometry (LC–MS), and the mass spectra are showed in Supporting Information File 1, Figure S3. Based on analysis of intermediates, the possible degradation pathways were

• speculated and shown in Figure 7. Two possible degradation pathways were deduced through hydroxylation, dehydration, and ring opening [59]. First, dechlorination of CTC due to the attack of radicals resulted in the formation of P1 intermediates with m/z of 444. Then P2 (m/z 432) was obtained from P1 through

ZnO nanoparticles sensitized by CuInZn_xS_2+x quantum dots as highly efficient solar light driven photocatalysts

• Florian Donat,
• Serge Corbel,
• Halima Alem,
• Steve Pontvianne,
• Lavinia Balan,
• Ghouti Medjahdi and
• Raphaël Schneider

Beilstein J. Nanotechnol. 2017, 8, 1080–1093, doi:10.3762/bjnano.8.110

• solution. A mechanism for the degradation pathways mediated by the ZnO/ZCIS catalyst is proposed. Interestingly, hydrogen peroxide, H2O2, and singlet molecular oxygen, 1O2, were found to play a key role in the oxidation of Orange II. Experimental Materials Indium acetate (In(OAc)3, 99.99%, Sigma), zinc

The distribution and degradation of radiolabeled superparamagnetic iron oxide nanoparticles and quantum dots in mice

• Denise Bargheer,
• Artur Giemsa,
• Barbara Freund,
• Markus Heine,
• Christian Waurisch,
• Gordon M. Stachowski,
• Stephen G. Hickey,
• Alexander Eychmüller,
• Jörg Heeren and
• Peter Nielsen

Beilstein J. Nanotechnol. 2015, 6, 111–123, doi:10.3762/bjnano.6.11

• in ex vivo samples for SPIOs (data not shown). However, it should be noted that this type of radiolabeling with nonidentical radionuclides (51Cr for Fe, 65Zn for Cd) raises questions on the validity of the label data along the transport and the degradation pathways of the particles. 51Cr-labeling of

Design criteria for stable Pt/C fuel cell catalysts

• Josef C. Meier,
• Carolina Galeano,
• Ioannis Katsounaros,
• Jonathon Witte,
• Hans J. Bongard,
• Angel A. Topalov,
• Claudio Baldizzone,
• Stefano Mezzavilla,
• Ferdi Schüth and
• Karl J. J. Mayrhofer

Beilstein J. Nanotechnol. 2014, 5, 44–67, doi:10.3762/bjnano.5.5

• electrocatalyst under particular conditions, a general and comprehensive performance gain for these advanced materials is still missing. Moreover, in most cases no detailed understanding is available on how the material design influences the degradation pathways that are responsible for the macroscopically

• above catalyst degradation pathways, in mass transport limitations for the reactants [54]. It is also assumed that the formation of excessive oxygenated functional groups at the carbon surface can increase the hydrophilicity of the support and thus enhance flooding effects that can hamper the transport

• degradation pathways (particle detachment and coalescence) to the overall surface area loss over time seem to be absent in the case of the Pt@HGS 3–4 nm. Thus the stability is only limited by the dissolution of Pt particles from the beginning on, which is in general hard to circumvent. A more detailed