Clathrin-Mediated Endocytosis for Enhanced Apoptosis Induction and Cellular Imaging in Triple-Negative Breast Cancer by Casein-Protected Blue-Emissive Carbon Dots.

The development of multifunctional nanoplatforms capable of drug delivery and real-time cellular imaging remains a key challenge in cancer theranostics. Herein, we report the development of a casein-protected maleic acid-derived nitrogen-doped carbon dot-based luminescent nanoplatform (MNCD@Cas NPs) for efficient delivery of the anticancer drug doxorubicin hydrochloride (DOX) to triple-negative breast cancer cells. Synthesized via a facile two-step method, the MNCD@Cas NPs exhibit bright blue fluorescence (λ = 390 nm), high water dispersibility, excellent colloidal stability, and substantial DOX loading capacity (∼84%) driven by electrostatic interactions.

Bioinspired Synthesis of Intrinsically Radiolabeled DyO Nanoparticles as an In Vivo Generator of Dy/Ho: A Smart Choice for Theranostics Engineering.

Functionalized inorganic nanoparticles (NPs) intrinsically radiolabeled with theranostic radiometals hold the potential to revolutionize cancer management. The appropriate choice of the radiometal used in the nanoplatform would not only aid in the diagnosis and staging of the disease but also facilitate them becoming an integral part of the therapeutic regimen, either as an independent treatment or in combination with other conventional modalities. Furthermore, due to the inherent characteristics of the NPs, such systems can demonstrate potential in multimodality imaging to offer improved diagnostic and therapeutic monitoring abilities for personalized treatment.

Bio-Nano Interactions of Recombinant Cyanobacterial Metallothionein with Magnetic Nanoparticles for the Removal of Cadmium and Uranium.

Heavy metal pollution, as a result of anthropogenic activities, is a subject of concern and needs sustainable remedial measures. In this context, we synthesized a bio-nanocomposite comprising a metal-binding protein, metallothionein (NmtA), from a filamentous, heterocystous cyanobacterium, sp. strain PCC 7120, immobilized in magnetic nanoparticles (MNPs) for removal of cadmium (Cd) and uranium (U).

Scheelite Catalysts for Thermal Mineralization of Toluene: A Mechanistic Overview.

Toluene, a highly stable aromatic hydrocarbon, is utilized as a benchmark molecule for thermal mineralization by the catalytic community. Mostly, the catalysts used for toluene mineralization either use platinum group metals (PGM) as catalysts or are regulated by a plasma incinerator. Though these catalysts/processes promise better efficiency and lower reaction temperature, they are neither cost-effective nor do they produce thermally stable byproducts.

Photocatalytic degradation of organic dyes under sunlight using a mononuclear Zn complex-embedded-functionalized porous material.

In this study, mesoporous materials (MCM-41 and MCM-48) were synthesized and functionalized with an acid group through a post-synthetic modification method. A mononuclear Zn complex [Zn(dmp)Cl] (dmp = neocuprine) was also prepared and incorporated into a functionalized mesoporous material. Extensive characterization of the material married was carried out using techniques such as X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) analysis, scanning electron microscopy (SEM), nuclear magnetic resonance (NMR), and Fourier-transform infrared spectroscopy (FT-IR) to evaluate the characteristics of modified materials.

A Remarkable Strategy to Hijack U(VI) from Mixed Metal Ion Solutions Using 1-Hydroxy-2-pyridone.

The present work envisages a chelation driven, facile, selective, and rapid method for uranium(VI) separation from a (U, Th) mixture using 1-hydroxy-2-pyridone (1,2-HOPO). Herein, U(VI) was selectively precipitated as the neutral [UO(HOPO)(HO)]·HO (orange colored) complex while Th(IV) and other metal ions remained in the solution. The pH of the medium played a key role in facilitating the separation process.

Understanding the NaMnO System: A Thermodynamics and XPS Approach.

The NaMnO system is an important class of materials with potential applications in rechargeable batteries, supercapacitors, catalysts, and gas sensors. This work reports the synthesis of NaMnO ( = 0.39, 0.

Role of Constituent Oxides for Thermal Mineralization of o-Dichloro Benzene over Mixed-Oxide-TiO Catalysts: A Mechanistic Explanation.

Catalysts with VO, WO and VO-WO dispersed over TiO were synthesized using sol-gel technique and thoroughly characterized by various techniques. The catalysts were evaluated for degradation of ortho-dichloro benzene (o-DCB) in air/helium, a representative probe molecule for polychlorinated dibenzo-para-dioxin and polychlorinated dibenzofuran by employing in situ Fourier-transform infrared spectroscopy (FT-IR spectroscopy). Different intermediate species formed on the surface of the TiO supported catalysts through of interaction of sorbate molecules with the lattice and/or gaseous oxygen were investigated in detail.

Elemental analysis of residual ash generated during plasma incineration of cellulosic, rubber and plastic waste.

Management of plastic, rubber and cellulosic waste from various industries is a challenging task. An engineering scale plasma pyrolysis based incinerator has been commissioned for incineration of combustible waste, including plastic, rubber and cellulose. Operational trials of wastes with simulated composition show a weight reduction factor of more than 18 and volume reduction factor of more than 30.

Interaction of arsenic(III) and arsenic(V) on manganese dioxide: XPS and electrochemical investigations.

Manganese dioxide (MnO) synthesized by solid-state reaction was characterized and sorption of As(III) and As(V) on it was studied in batch mode using As radiotracer. Arsenic removal efficiency was ∼98 % in the pH range of 3-9. Solvent extraction study indicated that >95% of arsenic is present as As(V) after sorption.

Nanostructured PdO Thin Film from Langmuir-Blodgett Precursor for Room-Temperature H2 Gas Sensing.

Nanoparticulate thin films of PdO were prepared using the Langmuir-Blodgett (LB) technique by thermal decomposition of a multilayer film of octadecylamine (ODA)-chloropalladate complex. The stable complex formation of ODA with chloropalladate ions (present in subphase) at the air-water interface was confirmed by the surface pressure-area isotherm and Brewster angle microscopy. The formation of nanocrystalline PdO thin film after thermal decomposition of as-deposited LB film was confirmed by X-ray diffraction and Raman spectroscopy.

Probing Water and CO₂ Interactions at the Surface of Collapsed Titania Nanotubes Using IR Spectroscopy.

Collapsed titania nanotubes (cTiNT) were synthesized by the calcination of titania nanotubes (TiNT) at 650 °C, which leads to a collapse of their tubular morphology, a substantial reduction in surface area, and a partial transformation of anatase to the rutile phase. There are no significant changes in the position of the XPS responses for Ti and O on oxidation or reduction of the cTiNTs, but the responses are more symmetric than those observed for TiNTs, indicating fewer surface defects and no change in the oxidation state of titanium on oxidative and/or reductive pretreatment. The interaction of H₂O and CO₂ with the cTiNT surface was studied.

Identification of binding sites for acetaldehyde adsorption on titania nanorod surfaces using CIMS.

The interaction of acetaldehyde with TiO(2) nanorods has been studied under low pressures (acetaldehyde partial pressure range 10(-4)-10(-8) Torr) using chemical ionization mass spectrometry (CIMS). We quantitatively separate irreversible adsorption, reversible adsorption, and an uptake of acetaldehyde assigned to a thermally activated surface reaction. We find that, at room temperature and 1.

Gas-phase photooxidation of alkenes by V-doped TiO2-MCM-41: mechanistic insights of ethylene photooxidation and understanding the structure-activity correlation.

Nanoparticles of Ti(0.95)V(0.05)O(2) were found to be impregnated in the hexagonal channels of the MCM-41 host, with a distribution of some particles on the surface, thus leading to an effective variation in the particle size as a function of loading host MCM-41 matrix.

Photodegradation of methanol under UV-visible irradiation by titania dispersed on polyester cloth.

Titania supported on polyester fabric (TiO(2)-PY) with varying titania loadings (2-7 wt%) were prepared via the dip-coating method at room temperature using an aqueous slurry of anatase titania. Structural and morphological characterizations by X-ray diffraction and scanning electron microscopy revealed that the titanium dioxide crystallites deposited on the surface of the polyester fabric were in the micrometer range while their phase remained to be anatase. Photocatalytic activity of TiO(2)-PY fabric catalysts was evaluated for vapor-phase oxidation of methanol in air as a test reaction in the presence of UV as well as solar radiation under ambient conditions.