Decapodiformes - Science topic

Tuning transition metal spin states potentially offers a powerful means to control electrocatalyst activity. However, implementing such a strategy in electrochemical CO2 reduction (CO2R) is challenging since rational design rules have yet to be elucidated. Here we show how the addition of P dopants to a ferromagnetic element (Fe, Co, and Ni) single...

Cephalopod chromatophores are small dermal neuromuscular organs, each consisting of a pigment-containing cell and 10-20 surrounding radial muscles. Their expansions and contractions, controlled and coordinated by the brain, are used to modify the animal’s appearance during camouflaging and signaling. Building up on tools developed by this lab, we p...

Fisheries and aquaculture play a crucial role in global food security, yet species mislabeling remains a persistent challenge, undermining consumer trust and market transparency. Proper food labeling is essential for protecting public health due to the presence of unknown toxic or allergenic substances and preventing illegally sourced products from...

This study explores the use of squid pen protein to enhance the mechanical properties, chemical stability, and heavy metal ion (Cu2+ and Zn2+) affinity of β-chitosan. 1-Butyl-3-methylimidazilium acetate ([BMIM][OAc]) was...

Squid, which occupy a similar role to teleost fish as open water predators, are opportunistic foragers. However, there is a lack of empirical evidence related to whether individual squid specialize their diets to optimize fitness. We investigated whether individual squid have specialized diets and what factors impact any specialization using the Ar...

GaFe1−xVxO3 samples (x = 0, 0.3) were manufactured through the solid-state reaction process. The phase singularity in each sample was tested using the search-match HighScore software. The structural/microstructural parameters of the samples were determined using the Fullprof program based on the Rietveld refinement methodology. The cation distribut...

With the development of superconducting qubits, the demand for Josephson parametric devices is rapidly growing. However, effective tools for the design and simulation of such devices remain lacking. In this paper, we propose a unified approach for designing Josephson parametric devices. By constructing accurate models of superconducting quantum int...

This study synthesizes leadership theory, personality psychology, and organizational lifecycle models through the prism of Squid Game's geometric hierarchy. We propose a four-archetype system (Twist, Triangle, Circle, Square) that aligns Big Five personality dimensions with leadership behaviors across individual, team, and corporate developmental s...

Scanning superconducting quantum interference device (SQUID) microscopy is a powerful tool to study a wide variety of magnetic phenomena including weak magnetism originating from interfaces or antiferromagnets. Many SQUID microscopies utilize piezoelectric “s-bender” designs which offer large scan areas but can be sensitive to vibrations. Here, we...

Canted antiferromagnets GdCrO3 and GdFeO3 have drawn extensive attention due to large magnetoelectric effects, although low temperature multiferroic ordering currently limits possible applications. Iron substitution into GdCrO3 increases both antiferromagnetic and ferroelectric transition temperatures. Room temperature magnetoelectric coupling in a...

The ISIS neutron and muon source undertakes approximately 100 experiments per year at temperatures below 1 K. At these temperatures, there is a clear need for accurate, precise, and well-calibrated thermometry, which is resilient to the challenging sample environments found in large science facilities. In this work, we look to improve the use of lo...

Cuttlefish represent crucial economic marine resources in Southeast Asian waters, although their population structures and genetic diversity patterns remain poorly understood. This study examined the morphological and genetic characteristics, along with the phylogeographic history, of Sepia aculeata populations around Thai-Malay Peninsula, with spe...

Fetal magnetocardiography (fMCG) is a non-invasive technique that measures the magnetic fields associated with fetal heart electrical activity outside of the maternal abdomen. fMCG has high temporal precision for measuring fetal heart rate and its variability which reflects fetal neurodevelopment. Free of cryogenics and low-cost sensors called micr...

Scene categorization (SC) in remotely acquired images is an important subject with broad consequences in different fields, including catastrophe control, ecological observation, architecture for cities, and more. Nevertheless, its several apps, reaching a high degree of accuracy in SC from distant observation data has demonstrated to be difficult....

Soft pumps are a crucial element in biology, from our own hearts to actuators driving the motion of many creatures in nature. For example, the squid is one of the fastest and most powerful animals in the ocean despite being almost entirely soft, using controlled jets by compressing an internal chamber to propel itself rapidly through the water. Dup...

Bioluminescence, the capacity of living creatures to produce light through chemical processes, has been a topic of scientific fascination for many years. Bioluminescence is of great importance in the marine environment, since it facilitates diverse ecological interactions. Bioluminescent bacteria establish symbiotic partnerships with marine creatur...

In deep-pelagic ecosystems, the trophic ecology of micronektonic species (such as fish, jellyfish, krill, shrimps, and cephalopods) is largely overlooked, with most research focusing almost exclusively on fish. However, like fish, invertebrate organisms play key roles in food webs, both as consumers and as predators. Here, we aimed to provide an in...

In mutualistic symbiosis, organisms often provide food to their partners. However, the processes and significance of food provisioning to hosts remain poorly understood. The anemonefish Amphiprion clarkii, which prefers larger hosts, has been suggested to provide food to its host the sea anemone Entacmaea quadricolor. In the present study, we inves...

The Bangka Belitung Islands consist of two main islands, namely Bangka Island and Belitung Island, which have abundant marine natural resource potential. One of the typical products of the seafood is Kericu, which is a snack made from squid eggs and sago. Kericu has become a special souvenir that is in demand and has become a home-based business op...

Superconducting diodes, characterized by the nonreciprocal supercurrent flow, have gained significant attention for their potential in dissipationless electronics. This study presents a superconducting quantum interference device (SQUID) composed of two Al-InSb nanosheet Josephson junctions. Utilizing prepatterned local backgates, we achieve a gate...

Magneto-optic surface plasmon resonances (MOSPRs) rely on the interaction of magnetic fields with surface plasmon polaritons (SPP) to modulate plasmonic bands with magnetic fields and enhance magneto-optical activity. In the present work, a study on the magnetoplasmonic behavior of Ag/Fe bilayers is carried out by VIS-NIR spectroscopy and backed wi...

This study explores global VOD (video on demand) content consumption patterns through a network-based approach. We used Netflix's 'TV-shows' ranking data, spanning 822 days across 71 countries, to construct a network where countries are represented as nodes and consumption similarities are reflected as link weights. By applying the Louvain algorith...

During embryogenesis in Danio rerio (zebrafish), the earliest morphological patterning events are dependent on the precise temporal translation and/or localization of specific maternal mRNAs/proteins. Dorsoventral patterning in particular requires the translocation of maternal factors that are present in the Balbiani Body from the vegetal region of...

The Nafūn rock art complex, located in al-Wusṭā Governorate in south-central Oman, was discovered in 2020 and has emerged as one of the most extensive rock art sites in southeast Arabia. The site features 59 flat limestone rock surfaces with over 200 South Arabian inscriptions and over 500 engraved figures. These figures include maritime animal dep...

Assessing the ecosystem impact of a species requires information on its foraging ecology across life stages and full distribution. However, such data are often incomplete or entirely lacking for widely distributed species, such as pelagic sharks. We used stomach content and bulk stable isotope analysis in muscle and liver tissue to examine ontogene...

The so-call SQUIDs (abbreviated from superconducting quantum interference device) are very sensitive apparatuses especially built for metering very low magnetic fields. These systems have applications in various practical fields-biology, geology, medicine, different engineering areas, etc. Their features are mainly based on superconductors and the...

This study evaluated heavy metal levels (Pb, Cd, Hg, As, Cu) and the presence of Salmonella spp. and Listeria monocytogenes in mussels and commonly consumed fishery products from the Marmara region of Türkiye. Health risks were evaluated using total hazard quotient (THQ) and hazard index (HI) values, while microbial risks in fresh and ready-to-eat...

The global demand for seafood, driven by its nutritional benefits, is steadily rising, with projections indicating a significant increase by 2032. This trend is particularly prominent in Asia, where seafood consumption is already high. However, this growing demand places pressure on the sustainable supply of seafood, leading to concerns about waste...

The jumbo flying squid Dosidicus gigas is widely distributed throughout the Eastern Pacific Ocean, where it plays a critical role in the marine ecosystem. This squid has high economic value and is an important fishing target for global cephalopod fisheries. At present, D. gigas is strictly regulated through the South Pacific Regional Fisheries Mana...

In recent years, arginine−rich basic proteins have garnered significant attention due to their essential roles in various biological processes. However, the potential of marine-derived proteins in this domain remains largely unexplored. This study presents, for the first time, the isolation and purification of a 14.3 kDa protamine (SOP) from the ma...

The discovery of two-dimensional superconductivity in LaAlO 3 / KTaO 3 (111) and (110) interfaces has raised significant interest in this system. In this paper, we report the first successful fabrication of a direct current superconducting quantum interference device (dc-SQUID) in the KTO system. The key device elements, superconducting weak links,...

Fluorenone derivatives represent promising candidates for electron-transport materials in organic electronic devices. Given that anionic species serve as electron-transfer carriers in electron-transport materials, it is highly desirable to isolate and characterize the radical anions and dianions of indenofluorened derivatives (IFO). In this work, t...

Under the current climate crisis, marine heatwaves (MHW) are expected to intensify and become more frequent in the future, leading to adverse effects on marine life. Here, we aimed to investigate the impact of environmental warming on the symbiotic relationship between the Hawaiian bobtail squid ( Euprymna scolopes ) and the bioluminescent bacteriu...

Superconducting diodes, characterized by the nonreciprocal supercurrent flow, have gained significant attention for their potential in dissipationless electronics. This study presents a superconducting quantum interference device (SQUID) composed of two Al-InSb nanosheet Josephson junctions. Utilizing prepatterned local backgates, we achieve a gate...

Many magnetoencephalography (MEG) experiments require visual stimulation (VS) inside a magnetically shielded room (MSR). For conventional MEG utilizing superconducting quantum interference devices (SQUIDs), the participant’s head must stay within the semi-spherical surface of a cryogenic storage Dewar. This design allows to have many SQUID sensors...

Neuronally triggered phosphorylation drives the dynamic condensation of reflectin proteins, enabling squid to fine tune the colors reflected from specialized skin cells (iridocytes) for camouflage and communication. Reflectin, the primary component of iridocyte lamellae, forms alternating layers of protein and low refractive index extracellular spa...

The direct and sequential application of adsorption and catalytic wet air oxidation (CWAO) methods was evaluated for the removal of the veterinary antibiotic oxytetracycline hydrochloride (OTC-HCl) from wastewater. Cuttlefish bone (CFB), a natural marine material, was employed as both an adsorbent and a catalyst support to synthesize the composite...

Arsenic species were quantified to further explore the biotransformation of arsenic and better explain the potential health risks. In this research, the levels of six arsenic species (AsB, AsC, MMA, DMA, As³⁺, and As⁵⁺) were determined in 160 squid samples by HPLC-ICP-MS. AsB was the most predominant speciation in squid tissues. The arsenic species...

A novel porous bone scaffold based on nano-carbonated hydroxyapatite reinforced with fibrous-like structured polyethylene oxide/chitosan network (nCHA/PEO/CS) was introduced and fabricated via freeze-drying. Prior to this, the nCHA was synthesized through a hydrothermal reaction based on cuttlefish bone (CFB, Sepia officinalis). The raw cuttlefish...

Microwave SQUID Multiplexing (\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mu $$\end{document}MUX) is a widely used technique in the low-temperature detectors commu...

Background: The Ommastrephidae family of cephalopods is important in marine ecosystems as both predators and prey. Species such as Todarodes pacificus, Illex argentinus, and Dosidicus gigas are economically valuable but are threatened by overfishing and environmental changes. The genus Sthenoteuthis, especially S. oualaniensis, shows significant mo...

The structural and magnetic properties of Fe$_{1-x}$Ni$_x$~($x$ = 0.32, 0.36, 0.40, 0.50) alloys have been investigated using synchrotron based x-ray diffraction (XRD) technique with x-rays of wavelength 0.63658 \AA\ down to 50 K temperature, magnetic measurement using superconducting quantum interference device (SQUID) magnetometer and high resolu...

Low-field or ultra-low-field magnetic resonance imaging (LF-/ULF-MRI) does not require expensive superconducting coils. Therefore, LF-/ULF-MRI systems that use normally conducting magnets allow the static magnetic field to be switched on and off. As this feature allows various devices to be installed inside the LF-/ULF-MRI system, LF-/ULF-MRI is su...

Background: Hypertension has been identified as a significant risk factor for cardiovascular disease. Given the prevalence of the adverse effects of angiotensin-converting enzyme-inhibitory (ACEI) drugs, natural and effective alternatives to these medications need to be identified. Methods: An investigative study was conducted to assess the ACEI ca...

We examined the diet of non-breeding male Antarctic fur seals Arctocephalus gazella from Stranger Point (62°14′S; 58°40′W), Isla 25 de Mayo/King George Island, through the analysis of 394 scat samples collected in summer (late January to March) from 2014 to 2017. Overall, the Antarctic krill Euphausia superba was by far the most dominant prey item,...

Identifying orbital textures and their effects on the electronic properties of quantum materials is a critical element in developing orbitronic devices. However, orbital effects are often entangled with the spin degree of freedom, making it difficult to uniquely identify them in charge transport phenomena. Here, we present a combination of scanning...

Humpback whale (Megaptera novaeangliae) populations have exhibited higher local abundance in parts of the Gulf of Maine in recent years, a region that is heavily impacted by both climate change and other anthropogenic effects. The Gulf of Maine is one of the most rapidly warming ecosystems in the ocean and humpback whales use the region to feed, su...

The objective of the present study was to investigate the gel properties and gelation mechanism of a surimi blend consisting of Katsuwonus pelamis and Symplectoteuthis oualaniensis. Superior gel properties, including gel strength, cooking loss and water holding capacity, were observed in mixed surimi. With increasing proportions of K. pelamis in th...

This study investigates the utilization of squid pen waste through a biocompatible ionic liquid approach, focusing on choline acetate, [Ch][OAc]. This ionic liquid effectively extracts over 80 wt % of protein from squid pen waste. To optimize the extraction process, a factorial design of experiments was employed to achieve a protein recovery of 75%...

This work investigates the distribution of flux states of hysteretic dc superconducting quantum interference devices (SQUIDs) obtained from standard current ramp measurement at 2.50 and 0.35 K. Each flux state corresponds to a specific number of flux quanta trapped in the superconducting loop, associated with a metastable state in the two-dimension...

Growing environmental concerns have driven the search for sustainable wastewater treatment solutions, particularly for the removal of persistent synthetic dyes. This study explores hydrogels made from squid pen protein (SPP) and chitosan, biodegradable polymers, for anionic dye adsorption—reactive blue 4 (RB4) and methyl orange (MO). A 50%/50% SPP/...

Industry insiders who want to lower the greenhouse gas emissions linked to conventional fuel cars consider electric vehicles (EVs) as a practical alternative for mobility. EVs are a potential problem even though their performance is limited by their low battery power, long service charging times, and high resource costs. To improve the EV performan...

Organic luminescent radicals, with their open-shell electronic structure, exhibit appealing optoelectronic properties and hold promise for a wide range of potential applications. Although a few series of luminescent radicals have been reported, most feature D0 → D1 transitions dominated by HOMOβ–SOMOβ (β-type transitions). In contrast, luminescent...

Given the worldwide implications of overfishing and its ensuing ecological consequences, the central question this study seeks to address is to what extent are electronic traceability systems, endorsed by organisations like WWF, able to enhance the sustainability and governance of fisheries. In Peru, jumbo squid and mahi mahi fisheries play a pivot...

Cephalopods are crucial to the Southern Ocean ecosystem, connecting top predators with mid-trophic organisms, yet their ecology in the Pacific sector is not well understood. This research used stable isotope analysis to explore the habitat and trophic ecology of cephalopods found in the diet of eastern rockhopper penguins (Eudyptes chrysocome filho...

The effect of thermal fluctuations in yttrium barium copper oxide SQUID filters (SQIFs), containing arrays of 258, 2304, and 4080 superconducting quantum interference devices (SQUIDs), were investigated using the electrical resistivity and applied magnetic field up to 9 T. Our study reveals that the SQIFs experience a two-step superconductor transi...

The rapid growth of genomic data over the past decade has made scalable and efficient sequence analysis algorithms, particularly for constructing de Bruijn graphs and their colored and compacted variants critical components of many bioinformatics pipelines. Colored compacted de Bruijn graphs condense repetitive sequence information, significantly r...

Artikel ini membahas strategi marketing public relations yang diterapkan oleh Netflix dalam mempromosikan Squid Game Season 2. Dengan meningkatnya persaingan di industri hiburan, Netflix mengadopsi pendekatan inovatif untuk menarik perhatian audiens dan membangun keterlibatan yang lebih dalam. Penelitian ini menganalisis berbagai elemen strategi pe...

Cephalopods (cuttlefish, squid, octopus, and nautilus) are remarkable marine creatures with extraordinary features like high intelligence, impressive camouflage abilities, blue blood, and three hearts. Yet, beneath the waves, they face a hidden threat from microscopic parasites. Parasites can wreak havoc on cephalopods, causing wounds that lead to...

Anion‐Driven Light‐Induced Spin Change (AD‐LISC) enables multifunctional materials to switch magnetic states with light, enhancing potential applications in data storage, sensors, and molecular electronics, by improving spin state control by integrating photoactive anions. In this study, we report the synthesis and characterization of new mononucle...

This paper presents a rigorous mathematical analysis, alongside simulation studies, of a spatially extended stochastic electrophysiology model, the Hodgkin-Huxley model of the squid giant axon being a classical example. Although most studies in electrophysiology do not account for stochasticity, it is well known that ion channels regulating membran...

Mesoscale eddies are known to influence the abundance and distribution of oceanic cephalopods. However, little is known about these effects in the southwest Atlantic Ocean. Therefore, this study analyzed the variations in environmental conditions and the resource abundance, spatial distribution, and habitat suitability of Illex argentinus within di...

The development of functional hydrogels is currently receiving great attention. In this study, a squid by-product, gelatin (SG)–acetic acid solution, was added to a commercial chitosan (CH)–acetic acid solution to develop an antioxidant hydrogel. The CH–SG mass ratios evaluated were 1:0, 2:1, and 1:2. Glutaraldehyde was used as cross linker. The ef...

Open metal sites are crucial in catalysis. We have used a “loose coordination strategy” (LCS) to preorganize open metal sites in gold cluster catalysts. A gold nanocluster with composition of [Au26(3,4‐Me2‐Ph‐form)9(ⁱPr2‐imy)3(Me2S)](BF4)2 (ⁱPr2‐imy=1,3‐Diisopropylimidazolium tetrafluoroborate, 3,4‐Me2‐Ph‐form=N,N′‐Di(3,4‐dimethyl‐phenyl)formamidin...

The purpose of this study was to gain a better understanding of the cuttlefish Sepia officinalis, which is found along Libya's eastern Mediterranean coast. The study examined 109 and 60 specimens of Sepia officinalis collected from the Libyan coasts of Benghazi and Sousa, respectively. The total length of the samples varied between 39.6 and 36.1 cm...

Sepiella inermis, spineless and small-size cuttlefish, is one of the important species of cephalopods and widely distributed in the Indo-west Pacific region. This study, for the first time in the southeastern region of the Bay of Bengal, Bangladesh, was conducted to investigate the length-weight relationship, condition factors and spawning season o...

Upwelling is often associated with high productivity, biodiversity, and fishery resource abundance. This study employed a generalized additive model (GAM) to analyze the effects of Ekman pumping and transport on the abundance and distribution of jumbo flying squid (Dosidicus gigas) using wind field data and Chinese commercial fishing catch data off...

The type VI secretion system (T6SS) is a broadly distributed interbacterial weapon found in both beneficial and pathogenic bacteria and can enhance a microbe’s ability to colonize a host. Vibrio fischeri is a beneficial symbiont of fish and squid and a model organism for T6SS function, which is activated in high-viscosity conditions. Previously, we...

Humboldt squid (Dosidicus gigas) is the most abundant cephalopod in the fishing industry, and its high nutritional and organoleptic properties make it a go-to food product for consumers. Therefore, developing new processing techniques seems imperative to minimize quality deterioration and provide products with appropriate characteristics. The study...

The European Food Safety Authority (EFSA) monitors the presence and concentration of contaminants in food to mitigate health risks. EU legislation sets maximum levels of heavy metals in foods, including cadmium (Cd), lead (Pb), and total Hg (THg) in seafood, due to their toxicity. In the framework of official control, between 2014 and 2023, 5854 se...

We investigate nonreciprocal supercurrent phenomena in superconducting quantum interference devices (SQUIDs) that integrate Josephson junctions with single and multiband order parameters, which may exhibit time-reversal symmetry breaking. Our results show that the magnetic field can independently control both the amplitude and direction of supercur...

Quantized vortices in type-II superconductors provide insights into the mechanisms of superconductivity. However, the generation of antivortices, characterized by magnetization antiparallel to the external magnetic field, remains less understood. In this study, we investigate Sn-Pb solder, a superconductor with phase-separated Sn and Pb phases, and...

This study investigates why the Squid Game TV show is so successful among young Saudis across cultural divides. It explores the engagement of young Saudi audiences with the show and the range of enjoyment they derive from it, via a mixed-methodology consisting of two stages: a preliminary survey and comprehensive focus group sessions. The data is g...

Squids occur worldwide in marine ecosystems and play a major role in pelagic food webs by connecting lower and higher trophic levels. Their high feeding intensities and pronounced diel vertical migrations make squids important components of nutrient cycles in marine ecosystems. This study assessed the trophic position and nutritional ecology of a s...

Current investigations into the fabrication of innovative biomaterials that stimulate cartilage development result from increasing interest due to emerging bone defects. In particular, the investigation of biomaterials for musculoskeletal therapies extensively depends on the development of various hydroxyapatite (HA)/sodium alginate (SA) composites...

Hybrid superconductor-semiconductor Josephson field-effect transistors (JoFETs) function as Josephson junctions with gate-tunable critical current. Additionally, they can feature a non-sinusoidal current-phase relation (CPR) containing multiple harmonics of the superconducting phase difference, a so-far underutilized property. Here we exploit this...

Background The rising demand for effective bone graft materials, particularly in dentistry, stems from the limitations of autografts, such as limited availability and donor site morbidity. Cuttlebone, a natural and abundant calcium carbonate source, exhibits potential as an alternative due to its structural and mechanical properties. This study inv...