Miracle-dz/UniFAR-FTUs huggingface dataset:
Production of Photosynthetic Pigments from Spirulina platensis Under Different Light Intensities

Photosynthetic pigments from microalgae have great potential biotechnological applications, as healthy food colorants and cosmetics. The production of photosynthetic pigments depends on many environmental conditions, mainly light intensity during the cultivation period. The present study aimed to determine the productivity of photosynthetic pigments in the biomass of S. platensis, including total chlorophylls, carotenoids, and phycocyanin, under different light intensities: 40 µmol m–2 s–1 (lower light intensity) and 70 µmol m–2 s–1 (higher light intensity). The results showed that S. platensis culture responds to changes in light intensity by changing the composition of photosynthetic pigments as an adaptive mechanism. The higher carotenoids content (69.69 ± 7.47 µg/g dw) was found under high light intensity, meanwhile, the higher chlorophyll (1495.47 ± 279.00 µg/g dw) and phycocyanin (4995.49 ± 576.52 µg/g dw) contents were observed under low light intensity. The highest productivity of photosynthetic pigments in S. platensis was shown by phycocyanin (318.86 ± 44.22 µg/L/day) and cholophylls (95.38 ± 19.35 µg/L/day) which were produced under low light intensity. Our results show that changes in light intensity can contribute to a stronger effect on the productivity of algal pigments for human health benefits and food colorants.
Microencapsulation of Juniper and Black Pepper Essential Oil Using the Coacervation Method and Its Properties after Freeze-Drying

Essential oils are mixtures of chemical compounds that are very susceptible to the effects of the external environment. Hence, more attention has been drawn to their preservation methods. The aim of the study was to test the possibility of using the classical model of complex coacervation for the microencapsulation of essential oils. Black pepper (Piper nigrum) and juniper (Juniperus communis) essential oils were dissolved in grape seed (GSO) and soybean (SBO) oil to minimize their loss during the process, and formed the core material. Various mixing ratios of polymers (gelatin (G), gum Arabic (GA)) were tested: 1:1; 1:2, and 2:1. The oil content was 10%, and the essential oil content was 1%. The prepared coacervates were lyophilized and then screened to obtain a powder. The following analyses were determined: encapsulation efficiency (EE), Carr index (CI), Hausner ratio (HR), solubility, hygroscopicity, moisture content, and particle size. The highest encapsulation efficiency achieved was within the range of 64.09–59.89%. The mixing ratio G/GA = 2:1 allowed us to obtain powders that were characterized by the lowest solubility (6.55–11.20%). The smallest particle sizes, which did not exceed 6 μm, characterized the powders obtained by mixing G/GA = 1:1. All powder samples were characterized by high cohesiveness and thus poor or very poor flow (CI = 30.58–50.27, HR = 1.45–2.01).
Surface-dependent generation of reactive oxygen species at pyrite–water interface

The generation of reactive oxygen species (ROS) at the pyrite–water interface is an important discovery for both early Earth’s and present environments in the past two decades. In these revealed reactions, pyrite can oxidize water to ROS and reduce O2 and ROS to water. However, the two types of reactions are controversial. The underlying physical theory responsible for the reactions has yet to be elucidated. In this study, we established a surface structure-dependent model of oxidation and reduction potentials (ORP) for semiconductors. Surface atomic structure-dependent electronic structures were adopted to estimate the ORP of pyrite. We apply this model to gain insights into the generation of ROS at the pyrite–water interface. The results demonstrate that the surface structure of pyrite controls its ORP, and ROS production can only occur on certain pyrite facets. The {210} and {111} facets with certain defects (e.g., 210-2S′ and 111-3S, respectively) could oxidize either H2O or OH− to O2, and ROS form during the oxidation of pyrite surfaces by O2. This suggests that surface effects play a crucial role in governing the ORP of semiconducting minerals. Accurately calculating surface ORP could potentially be used to better understand redox reactions and develop more efficient catalysts.
Structure, geochronology, and petrogenesis of the Late Triassic Puziba granitoid dikes in the Mianlue suture zone, Qinling orogen, China

We present structural field observations, in situ zircon U-Pb ages, Hf isotopic compositions, geochemistry, and Sr-Nd isotope data from the Puziba granitoid intrusions in the Qinling orogenic belt (China). These intrusions occur as ENE-WSW–oriented dike swarms in a highly deformed phyllite-matrix melange along several major fault zones within the Mianlue suture zone. Granitoid rocks have a relatively wide range of SiO 2 (69–77 wt%, volatile-free) and total alkali contents (Na 2 O + K 2 O = 2.76–4.83 wt%), and K 2 O/Na 2 O ratios >1, and they mostly fall in the granite-granodiorite fields in the total alkalis versus silica diagram. They display relative enrichments of light rare earth elements (LREEs) and relatively flat heavy rare earth elements patterns (HREEs) with weak negative Eu anomalies (δEu = 0.56–0.95) on chondrite-normalized rare earth element (REE) diagrams. They show enrichment in Th and Zr and depletion in high field strength elements (HFSEs; e.g., Nb, P, and Ti). They are enriched in large ion lithophile elements (LILE) and LREEs and have low zircon e Hf ( t ) (–2.8 to 4.2) values, relatively high initial 87 Sr/ 86 Sr ratios (0.7107–0.7188), and variable Mg# (22–46). Their U-Pb zircon crystallization age is ca. 215 Ma, but they also show inherited zircon age clusters in the Paleoproterozoic, Mesoproterozoic, Neoproterozoic, and Paleozoic, with two prominent peaks at ca. 753 Ma and ca. 805 Ma. The high Rb and Ta elemental abundances, smooth chondrite-normalized REE patterns, and e Nd ( t ) values (–5 to –3) of the Puziba dike rocks characterize them as K-rich, calc-alkaline granites. Their magmas were derived from partial melting of garnet-amphibole–bearing lower crust that was triggered by slab breakoff–induced asthenospheric upwelling in the aftermath of the oblique collision of the North and South China blocks during the Late Triassic. Emplacement of the ENE-WSW–oriented Puziba dike swarms was associated with a transtensional stress regime along/across the collisional Mianlue suture zone.
Decoupling and Phase Shift Control Method of Modular Interline DC Power Flow Controller

DC power flow controller (DCPFC) is regarded as an effective technology to improve the power distribution capability in a complex dc power grid. Among different types of DCPFCs, the interline dc power flow controller (IDCPFC) can realize multiline power flow control functions in a complex dc grid. In this paper, a modular interline dc power flow controller based on switch isolation (ISO-IDCPFC) and a decoupling and phase shift control method of ISO-IDCPFC are proposed. ISO-IDCPFC has the advantages of modularity, scalability and multi-level outputs. By utilizing the dual-target decoupling and multi-carrier phase shift control method, ISO-IDCPFC can realize flexible and economical line current adjustment. Based on these, simulation models built in PLECS and downscaled experiment setup are used to validate the effectiveness of the proposed topology and the control method.
Pragmatic Assessment of Post Covid-19 Measures on Construction Markets in Nigeria

The lockdowns and restrictions imposed due to covid-19 have introduced severe supply chain bottlenecks in the construction process. These have worsened the formulation of demand and supply mechanism, and as such led to huge spike in building materials’ prices. The study assesses the impact of Covid-19 measures on the cost of building materials in the construction industry in South-South region of Nigeria. Data were collected from 269 construction professionals using a quantitative survey. The findings reveal the most important economic factors affecting the cost of building materials as inflation rate, exchange rate, and interest rate. The most significant challenges associated with the rising cost of building materials were also fluctuation in construction cost, increase in final cost of building projects, and risk of project abandonment. It concludes that cost is an important aspect of project execution, therefore effective mechanisms and polices should be put in place to manage these economic factors in order to mitigate or eliminate the rising cost of building materials. The study provides insight to project practitioners and government policy makers on areas to focus on in order to tackle the rising cost of building materials.
Resilienzfokussierte Kinderpsychotherapie

In diesem Beitrag werden Verbindungen zwischen dem Konzept der Resilienz und dem Personzentrierten Ansatz dargestellt. So erweisen sich eine stärkenorientierte Haltung, die Sicht auf das Kind und der Schutzfaktor Beziehung sowie das Verständnis vom Selbstkonzept als eine gemeinsame Basis, auf der Handlungen initiiert und reflektiert werden können. Sechs personale Ressourcen, die Resilienzfaktoren, lassen sich darüber hinaus systematisch Begegnungsparametern des personzentrierten Handelns zuordnen und geben Anregungen einer gezielteren Resilienzförderung im Rahmen der Kinderpsychotherapie.
Do Young Professionals in Malaysian Urban Areas Prioritise Sustainability When Making Housing Decisions?

The present study delves into the decision-making processes pertaining to housing among young professionals residing in urban areas, focusing particularly on their preferences for sustainable housing options. Understanding the factors influencing the housing preferences of this demographic is critical for promoting sustainable urban development, given the ongoing challenges of urbanisation and environmental issues faced by cities. This study aims to explore the decision-making process pertaining to housing among young professionals in Malaysian urban areas and its correlation with sustainability. This study employs a mixed-methods approach, encompassing surveys and in-depth interviews, to analyse the significant factors and decision-making criteria of young professionals residing in urban settings concerning housing. This study primarily focuses on the economic aspect of housing decisions, specifically home affordability, without dismissing the social and environmental factors that may also influence these decisions. The present study contributes to the ongoing discourse on urban sustainability by elucidating the dynamic and evolving preferences of young professionals residing in urban areas. The findings provide valuable insights for politicians, urban planners, and developers who aim to construct housing options that are both sustainable and appealing to this influential demographic group. Ultimately, this contributes to the overall sustainability and resilience of urban communities.
Outage Analysis of IRS-Assisted UAV NOMA Downlink Wireless Networks

This article studies an intelligent reflecting surface (IRS)-assisted unmanned aerial vehicle (UAV) network, where the ground users (GUs) desire to receive information from a UAV. Downlink nonorthogonal multiple access (NOMA) is considered typically with two GUs being selected according to whether a Line-of-Sight (LoS) link between GUs and UAV exists. As the accurate channel information of LoS or Non-LoS (NLoS) links for multiple GUs is difficult to acquire, an approximate LoS region-based method is designed to select GUs as an alternative. In order to enhance the communication quality of the far GU, an IRS is deployed to assist the NLoS transmission. For such a system, we evaluate its outage performance in Nakagami-m fading. First, the central limit theorem (CLT) and Laplace transform (LT) are employed to derive the channel statistics of the UAV- IRS-user link. Then, asymptotic closed-form expressions of the outage probabilities are derived for the selected GUs based on Gaussian–Chebyshev quadrature approximation. Monte Carlo simulations validate the validness of our derived outage probabilities. It shows that the approximate LoS region-based scheme provides similar outage performance laws as the accurate LoS region-based one. Moreover, the outage probabilities of selected GUs in terms of NOMA-based protocol and orthogonal multiple access (OMA)-based protocol are analyzed. Simulation results confirm that the proposed NOMA-based protocol is capable of achieving superior performance compared with the OMA-based protocol by setting power allocation factor and targeted acrlong SINR thresholds of near GU and far GU properly. Specifically, when the rate threshold of near GU is relatively large or the rate threshold of far GU is relatively small, the outage performance derived by NOMA-based protocol performs better than OMA-based protocol in most of cases.
Giant Upper Triassic bivalves of Wrangellia, Vancouver Island, Canada

One of the most distinctive components of the Late Triassic warm-water biota are alatoform, reclining bivalves of the genus Wallowaconcha. Wallowaconcha raylenea was first described from shallow-water, fine-grained Upper Triassic carbonate rocks of the Wallowa terrane, northeastern Oregon, and later found in coeval limestone in the Yukon. Fossils of the family Wallowaconchidae are easily recognized and readily distinguished from other fossil groups by their large size (over a metre in length), alatoform morphology, and especially the chambered wing-like extensions likely associated with photosymbiosis. Several different taxa of Norian age inhabited lagoon and reef-related settings on four separate terranes of western North America (Antimonio terrane, Sonora, Mexico; Wallowa terrane, northeastern Oregon; Stikine terrane in the Yukon; Chulitna terrane of Alaska), which during Triassic time existed as volcanic islands in the eastern Panthalassa Ocean. Outside eastern Panthalassa in the eastern Tethys, two ot.
Elevated Troponin I as a Marker for Unfavorable Outcomes in Acute Ischemic Stroke

Objective: To assess if elevated cardiac troponin I (cTnI) serves as a sign of unfavorable functional outcomes in ischemic stroke. Methods: In this single-center prospective cohort study, 100 consecutive patients admitted with acute ischemic stroke (normal troponin I group n = 52, raised troponin I group n = 48) were included. Hospital mortality was documented in both groups; the remaining patients were followed up to 90 days. Then two groups were compared in terms of unfavorable short-term outcomes (Modified Rankin Scale > 3) and mortality. Multivariate logistic regression was conducted to determine the predictive value of elevated cTnI. The Kaplan-Meier curve was drawn and compared to determine the difference in survival between the two groups. To find out the most probable cut-off level for an unfavorable outcome, a receiver operating characteristic (ROC) analysis was conducted. Result: A higher frequency of coronary artery disease (p=0.030), higher National Institutes of Health Stroke Scale (NIHSS) (p=0.008) score, and lower Glasgow Coma Scale (GCS) (p=0.002) was observed in raised troponin I group. Even after the exclusion of confounding elevated troponin I was found to be an independent predictor of unfavorable outcomes (adjusted odds ratio, OR 8.25 {95% confidence interval, CI: 2.65-25.75}; p<0.001). The patients with raised troponin I had a significantly lower rate of survival after 90 days (p=0.022). The elevated troponin I was observed to have a significantly high accuracy (p<0.001; area under curve, AUC: 0.768 {moderate accuracy}, 95% CI: 0 .676 to 0.861) in predicting unfavorable outcomes. Conclusion: Elevated cTnI is independently associated with unfavorable short-term outcomes. It is also associated with a lower rate of survival.
A Study of the Abundance, Distribution and Daily Activities of the Australian Raven (Corvus Coronoides) in Urban Wetland Parks

Habitat destruction as a result of urbanisation has resulted in the population decline of some bird species. However, the Australian Raven (Corvus coronoides), has adapted well to the urban environment and is thriving. Although natura1ly occurring seasonal food snurces are at times restricted in an urban setting, this adaptive species finds alternative food sourn:s. As carrion·eaters this includes roadkill, a<> ·. v~ll as refuse discarded on the ground and into bins. Coupled with fe·-~ natural predators, the species enjoys op(mal conditions for breeding and survival. This biogeographical study investigated whether seasonal-influxes of populations of ravens cause prob! ems at three urban wetland parks in the City of Gosnells, Western Australia. Past complaints included reports of damaging property, stealing food, attacks on pets and other birds and wildlife, notably their young. This multi-faceted investigation of the Australian Raven explores the impacts of the species on other birds and wildlife, as well as people. It also investigates contemporary beliefs and attitudes to the species. It examines seasonal fluctuations in population densities and distribution of the species at the sites and identifies t:heir main daily activities and interactions with other birds and animals. Finally, it explores the level of community support for population control of the species. Interestingly, the final results do not support commonly held beliefs that ravens are vicious predators. Their main daily activities are identified as perching in trees, picking at bark and leaves, foraging on the ground for food and to a lesser extent, drinking, bathing and preening. Although acts of predation of other birds, egg stealing and food stealing were witnessed during the study, they were few and no attacks on domestic animals, or acts of property damage were recorded for the study. The research concluded that there are populations of Australian Ravens present at all sites that fluctuate seasonally. It also identified the biggest problem associated with the Australian Raven is a poor image problem. They are unpopular, considered a sign of a bad omen, both their song and plumage considered unpleasant. But in spite of these negative perceptions the majority of people using the sites do not support population control as a means of managing the abundance of the species. The Australian Raven 2
Robust Wireless Power Transfer System Using Gain Element as Source for Conformal Application

In this letter, we study wireless power transfer (WPT) systems with the gain element as source (GES). Using planar or cylindrical coils as transmitter and receiver, parity time (PT) symmetric and non-PT symmetric states of wireless power transmission systems based on magnetic resonance coupling (MCR) are analyzed and verified. Both theoretical and measured results show that whether the system is PT symmetric or not, the resonant frequency of the real spectrum and robust transmission efficiency can be obtained. This relaxes the restriction that the coils of <inline-formula> <tex-math notation="LaTeX">$T_{x}$ </tex-math></inline-formula> and <inline-formula> <tex-math notation="LaTeX">$R_{x}$ </tex-math></inline-formula> must be consistent with each other in a robust WPT system, which can provide a reference for robust wireless charging technology with conformal applications.
A Forest in a City Biodiversity at Sunut Forest, Khartoum, Sudan

Al-Sunut is a natural forest located in the centre of Khartoum state, the capital of Sudan. Due to its unique location, Sunut forest is severely stressed by human activities, especially construction. In this paper, we provide a survey for the biodiversity at Sunut Forest. Three animal groups were investigated for density and species diversity: Birds, Acacia nilotica associated arthropods and ground arthropods. The aim of the study was to provide the field data required for the design of adequate management and conservation plans and to draw the popular attention to the special value of Sunut forest. The study concluded that Sunut forest hosts considerable biological diversity, particularly of birds, as 87 species were recorded. Arthropod specimens that belong to 10 different orders were collected from A. nilotica trees. Likewise, specimens of ground arthropods collected from the forest represent 11 different orders.
Antioxidant activity and in vitro cytotoxicity of Chitosan/Origanum vulgare essential oil sponges

Abstract Essential oils are complex mixtures of volatile organic substances obtained from medicinal plants, their structural diversity determines their pharmacological bioactivity, including their therapeutic applications. Clinical studies have reported favorable health benefits to patients using medicinal plants for ulcerative skin lesions, reducing the discomfort, pain, and duration of ulcers. Chitosan (CHT) is a polymer with potential as a drug carrier in ulcer disease; also has antibacterial, anti-inflammatory, wound-healing, and hemostatic properties, proposed for its use in gels, biofilms, and sponges to cover the ulcerative lesion in the oral mucosa for both drug delivery and physical protection. The objective of this study was to evaluate the biological properties and enzymatic activity of sponges from CHT and Oregano essential oil (OEs). CHT sponges were incubated in OEs eluates (0.01, 0.02 and 0.03 mg/mL). The cell response and enzymatic activity of Super Oxide Dismutase (SOD) and Catalase (CAT) were evaluated in human periodontal ligament fibroblasts (hPLFs). The results showed that CHT-OEs at 0.02 mg/mL and at 0.03 mg/mL significantly increased hPLFs proliferation (p < 0.05). Micrographs demonstrated that the viability and mitochondrial activity of hPLFs were not affected by the eluates from CHT and OEs. SOD activity increased with eluates from OEs and CHT and CAT was significantly increased with CHT+OEs 0.01 mg/mL (p < 0.05). The synergy of CHT with OEs at a concentration of 0.02 mg/mL and 0.03 mg/mL in culture medium increases the proliferative response and stimulates SOD and CAT activity.
Relationship Between Employee Value Proposition and Resignation with The Moderating Effect of Employee Satisfaction

COVID-19 pandemic brought concerns to the corporation with the great resignation phenomenon that happens around the world, especially in developed nations. Workers now have different views after the pandemic, where they view well-being as an important aspect of work and employee value proposition. Therefore it is important to know how Indonesians view this issue. The method of this study is an electronic survey with respondents which are workers around Jabodetabek metropolitan areas, with a range of age between 26-35 years. Surveys are based on three variables, employee value proposition (Idv), intention to resign (Dv), and employee satisfaction (M). Results then analyzed with moderated regression analysis and linear regression analysis, to view the validity of the hypotheses. This research found: (1) employee value proposition significantly has a negative influence on intention to resign, and (2) the relationship between employee value proposition and intention to resign significantly are not moderated by employee satisfaction. Corporations in Indonesia need to search for other means to maintain their employee commitment, as employee satisfaction only approaches by behaviorally influencing its employees. Different approaches like revising company EVP that is based on the right valence need to be done to satisfy and maintain commitment of Indonesian workers.