Hot-cell and dispensing-bench shielding — fume hood vs laminar flow, β/γ hybrid for Lu-177 / Y-90 work. Curated daily from Europe PMC (PubMed + PMC + preprints) and OpenAlex — free-full-text link on each open-access paper.
Hiroki Kurita, Zhenjin Wang, Takeshi OYAMA, L. Chaffron et al.
Aluminum (Al) matrix composites (AMCs) reinforced with boron carbide (B4C) particles were produced using a combination of wet shear pulverization (WSP) and spark plasma sintering (SPS). The WSP process, which generates high shear stress in an ethanol medium, enabled uniform dispersion of B4C particles and effectively reduced agglomeration compared to traditional hand mixing. Ho…
Pavan Bhilkar, Rohit S. Madankar, Shubham S. Tripathy, Sneha Wankar et al.
In the present study, highly crystalline europium-doped zinc oxide decorated on reduced graphene oxide nanocomposites (Eu@ZnO/rGO NCs) was successfully synthesized via a simple precipitation method using an ethanolic solution of tryptophan. The synthesized NCs was systematically authenticated in terms of phase, crystallite size, structure, chemical state, bandgap energy and mor…
Arazu Abdulkarim Muhammed, Azeez A. Barzinjy, Reiadh Kamal Al-Kamali
Abstract Calcium carbonate (CaCO₃) nanoparticles mediated by Petroselinum crispum (parsley) followed by comparison with commercial CaCO₃ nanoparticles. UV-Vis and FTIR analyses confirmed the presence of phytochemicals containing hydroxyl, carbonyl, and aliphatic functional groups, which acted as reducing, capping, and stabilizing agents. XRD confirmed predominantly calcite in b…
Transdermal delivery of macromolecules and biologics is constrained by the barrier function of skin. First-generation microneedle arrays address this issue by penetrating the stratum corneum; however, their passive, diffusion-based release limits delivery depth, kinetics, and adaptability. In this review, we discuss force-driven microneedles (F-MNs) as a shift from passive perm…
Guojie Luo, Yi He, Wanglinhan Zhang, David J. Collins et al.
Precise manipulation of bioparticles in micro- and nano-fluidic environments is crucial for applications in cancer diagnostics, drug delivery, and single‑cell analysis. Despite the optical and acoustic tweezers provide high accuracy and stability, their flexibility and selectivity are often constrained by factors such as laser‑induced heating, reliance on the optical properties…
The Zaria Chapter is one of the most active chapters of the Chemical Society of Nigeria, organizing annual scientific conferences, workshops, public lectures and capacity-building programmes that bring together researchers, educators, industrial practitioners and students from across Nigeria and beyond.Prior to the formation of Chemical Society of Nigeria, Zaria Chapter, a team…
Density functional theory (DFT) calculations were performed on a molecular cluster model under acidic conditions (KAlSi 6 O 6 (OH) 16 (H 2 O)(HCl)·11H 2 O) to determine the energy of activation of Al-O-Si hydrolysis when H 2 O was bonded to the -Al(OH) 3 moiety of the model to produce [5] Al, and the bridging O (O br ) of Al-O-Si was protonated and stabilized by a Cl − . Simila…
This review systematically summarizes the current development status, mechanism, application, and future challenges of microwave-assisted esterification reaction, a transformative technology. The traditional esterification process generally suffers from slow reaction kinetics, the use of corrosive catalysts, high energy consumption, and multiple by-products. Microwave technolog…
Nor Azlian Abdul Manaf, Tengku Hasnan Tengku Abdul Aziz, Rusli Daik
Abstract The increasing prevalence of physiological and psychological stress has created a growing demand for rapid, sensitive and non-invasive methods for detecting stress-related biomarkers. Surface-Enhanced Raman Scattering (SERS) has emerged as a highly promising analytical platform due to its exceptional sensitivity, molecular fingerprint specificity and capability for ult…
Rossella Di Sapia, Akash A. Bera, Omar Mamad, James D. Mills et al.
OBJECTIVE: Elevated body temperature may increase seizure risk, yet the relationship between thermoregulation and seizures, as well as the underlying mechanisms, remains poorly understood. We investigated whether thermoregulatory control is altered in experimental temporal lobe epilepsy (TLE), as such impairment could reduce the ability of affected individuals to adapt to envir…
Uma Rani Potunuru, P. Padmapriya, Balasubramanian Chellammal Muthubharathi, Bargavi A. Meenachi et al.
Objective This study aims to evaluate the oxidative stress alleviating potential of glucan exopolysaccharide (EPS) using in vitro (biochemical and cell culture) and in vivo Caenorhabditis elegans model systems. Methods The in vitro antioxidant potential of EPS from Enterococcus hirae OL616073 of food origin was evaluated using reducing power, ferric-reducing antioxidant power (…
Y. Ranjith Kumar, Kasarapu Venkataramana, M. Vasundhara
Medium-entropy ferrites have emerged as a versatile class of materials with tunable multifunctional properties arising from configurational disorder. Herein, a biotemplate-assisted synthesis of a medium-entropy spinel ferrite, [Mg 0.25 Co 0.25 Ni 0.25 Zn 0.25 ]Fe 2 O 4 , is reported using albumen as a sustainable stabilizing agent. Structural analysis confirms the formation of …
Tejasvi Anant, Dhananjay Sahu, O. Prabhakar, Raj Kumar Sahu
ABSTRACT Silicone elastomer composites (SECs), owing to their tunable functionalities, represent a class of ink materials with immense potential for the design and development of wearable sensors through 3D printing technologies. This review reports recent advances in SEC‐based strain sensors printed through direct ink writing techniques, focusing on ink formulation and design …
Jiawen Zeng, Yichen Dong, Niyuan Zhu, Danchen Zhu et al.
ABSTRACT Establishing correlations between processing parameters, structural characteristics, and application performance are essential for controlled synthesis of biomass‐derived graphene‐like carbon via flash Joule heating (FJH). Herein, we developed a controlled dual‐phase synthesis strategy in which pre‐pyrolysis stabilizes the carbon framework and programmable FJH subseque…
Siripan Metanawin, Areeya Thongsalee, Apichart Sonthisombat, Krit Poomfuang et al.
Hemp-based insulators panels were developed by blending alkalinized hemp fibers with 30 wt% low-melting sheath-core polyester fibers using a carding process, followed by compression molding into a five-layer sandwich-structured insulator. The mechanical, structural, and thermal properties of the hemp/polyester composite fabric were systematically investigated through tensile te…
Microplastics (MPs) have emerged as serious ecological pollutants that harbor diverse microbial communities in their biofilm ecosystem termed as plastisphere. This community serves as a reservoir for antibiotic resistance genes (ARGs), antimicrobial resistant bacteria (ARB) as well as other microorganisms involved in pollutant degradation. However, the dynamic interactions betw…
Nickel-titanium (NiTi) shape memory alloy (SMA) actuators have attracted considerable interest in upper-limb prosthetic design because they can produce useful motion within compact and quiet mechanisms. However, results obtained from isolated SMA wires or springs do not always represent their performance in a complete prosthetic system, where cooling, packaging, control hardwar…
Microneedles are a game-changer when it comes to drug delivery. They can bypass the liver's first-pass metabolism, which means the drug can be more effective and easier to administer. The way the skin is structured, with its different layers like the epidermis, dermis, and hypodermis, plays a big role in how well microneedles work. To make sure the process is painless, these ti…
This book discusses climate change and responses to its risks-mitigation, adaptation, and geoengineering–within an increasingly ideological and geopolitically charged climate debate. It provides a detailed analysis of the scientific basis, feasibility, governance, costs, uncertainties, and risks associated with different forms of geoengineering, particularly Solar Radiation Mod…
Soils are among the most diverse but least understood environments on the planet. Just below our feet, secluded from our sight, we find complex communities of bacteria, fungi, protists and animals. These communities organize themselves in both time and space, from fast to slow growers, from decomposers to predators, from early colonizers to late arrivers. Despite a growing unde…
Methylene blue is a toxic and persistent dye that requires effective removal from aquatic environments. This study reports sunlight-assisted degradation of methylene blue using surface-decorated AuNP@ZIF-8 and AuNS@ZIF-8 nanocomposites prepared by a time-gated growth strategy, in which preformed gold colloids were added 1 h after the onset of ZIF-8 crystallisation to favour sur…
Ali Safari, Mahdi Soleymanzadeh, Mohammaderfan Nadafzadeh, Saman SeifiZarei et al.
Abstract Elastocaloric cooling is emerging as a viable solid-state competitor to standard vapor-compression systems. By utilizing the latent heat from stress-induced phase changes in shape memory alloys (SMAs), elastocaloric cooling enables thermal management with zero direct greenhouse gas emissions. This review surveys the current state of elastocaloric cooling technology, id…
Global food supply chain faces major challenges due to post-harvest losses, along with synthetic packaging waste accumulating in ecosystems, necessitating the engineering of bioactive edible films and coatings (ECFs). This review assesses the recent advances achieved by incorporating phytochemicals into bio-polymeric carriers to advance contemporary knowledge regarding phenolic…
Xu‐xing Geng, Aoqi Xie, Kai Jin, Su-jing Liu et al.
Abstract Non-Gaussian noise is usually regarded as a limitation for precision measurements, something to be shielded against or eliminated. We take the opposite approach by injecting controllable random telegraph noise (RTN) into an optically pumped atomic magnetometer (OPAM), demonstrating that controlled colored noise can serve as a spectroscopic probe of spin-environment cou…
Olly Duncan, Marcelo A. Dias, Andrew Alderson, Roderic S. Lakes et al.
Abstract This Roadmap covers the status, current challenges, and new science required to address these challenges, for mechanical metamaterials. This is timely, given the sustained increase in mechanical metamaterials research outputs and patents. Sections are grouped according to anomalous properties. These include auxetic (negative Poisson’s ratio), sub-divided into geometric…
Nur Izzati Huda Zulkarnain, Mazin M. Mustafa, Alireza Sadeghi‐Tarakameh, Mert Ates et al.
BACKGROUND: As MRI continues to advance toward higher field strengths, RF safety assessment has become more complex. Accurate estimation of specific absorption rate (SAR) is essential for evaluating both hardware and implant safety, yet thermometry and simulation-only approaches face limitations. In addition, these evaluations are typically performed within the MR scanner, wher…
Yuchao Zhang, Hang Su, Yipeng Zhang, Qichun Chen et al.
Background Preeclampsia is a pregnancy disorder endangering maternal and fetal health, often accompanied by complications such as hypertension and proteinuria. Natural killer cells are indispensable in the occurrence and development of preeclampsia. Up to now, there has been no bibliometric study on NK cells and preeclampsia. Thus, we conducted a bibliometric analysis based on …
The rapid deterioration of ready-to-eat pomegranate arils during cold storage remains a major challenge limiting their commercial distribution and consumer acceptance. This study evaluated the effectiveness of psyllium (PSY) and kojic acid (KA), applied individually or in combination (PSY + KA), as natural coating agents for preserving quality, extending storage life, and suppr…
Rachel F. Ball, Stephen Henthorn, Kenneth Lee Ford
The number of pollinators across the world is decreasing rapidly in part due to human activity -tracking insects is a way to understand and curb this decrease. Historically valued for its range, harmonic RADAR is now rare. The technology's high power demands (typically 20 kW) and the inherently low, non-linear conversion efficiency of its tags make it impractical for most moder…
Aramis Raiola, Fabio Acerbi, Cyril Martin Alispach, Domenico della Volpe et al.
Abstract Background The POSiCS camera is a handheld and wireless, small field-of-view gamma camera developed for use in radio-guided surgery (RGS), with sentinel lymph node biopsy (SLNB) as its benchmark application. This compact and lightweight detector (about $$350\,\textrm{g}$$ ) maps tissues labeled with a $${^{99m}\hbox {Tc}}$$ radiotracer to highlight target lesions. By e…
Abstract Sustainable food packaging design increasingly requires simultaneous consideration of environmental performance, food-protection function, and user experience, yet these dimensions are often quantified in separate literatures. This semi-systematic critical review synthesizes studies that assess environmental impacts through life cycle assessment (LCA) and studies that …
ObjectivesHospital radiopharmacy plays a central role in ensuring the quality, safety and regulatory compliance of radiopharmaceuticals used for diagnostic and therapeutic purposes. Given the complexity and multidisciplinary nature of the radiopharmaceutical circuit, professional practice evaluation represents a key tool for continuous quality improvement. This study aimed to e…
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