jablonkagroup/rise_ai_scientists huggingface dataset:
Authors: Anjana Rani | K.V. Radha Krishna | Reginah Pheirim | Alka Soharu
Source: International Journal of Research in Agronomy (review, 2025-06-01)
Field: Materials Science — Materials Chemistry

Nanotechnology and its impacts and benefits on agricultural sustainability: A review Agriculture plays a crucial role in the prosperity and advancement of nations. Ensuring food security is a major concern for both affluent and developing countries, but this can also lead to significant environmental impacts. Hence, in recent years nanotechnology emerges as a novel alternative system, confers sustainable agricultural and environmental growth via escalating the food security and productivity, minimizing the agricultural inputs, enhancement of absorption of nanoscopic fertilizers and growth regulators through increasing the surface area, consequently curtailing the unfavorable environmental factors. The use of nano-material in agriculture are designed to minimize the loss of the yield, nutrients and fertilizers by efficient management of nutrient, insect pests and diseases leading to improvement in environmental as well as ecosystem health. In agriculture, nanotechnology focuses on creating nano-fertilizers, nano-pesticides, and nano-based carriers for agrochemicals. It is also employed in developing bio-sensors to monitor soil, water, and air quality, thereby enhancing plant health by ensuring optimal environmental conditions. For sustainable development-the focus of the researchers now has been shifted towards the green nano-particles, where various beneficial micro-organisms are employed for the manufacturing of nano-particles in biocompatible mode. Therefore, the aim of this review is to precisely outline and address the impact and benefits in the operation of nanotechnology in sustainable development of agriculture, environment and ecosystem. Sustainability ; Agriculture ; Business ; Environmental planning ; Natural resource economics ; Nanotechnology ; Environmental science ; Economics ; Geography ; Materials science ; Ecology ; Biology Nanoparticles: synthesis and applications
Authors: Schebek, Maximilian | Gonzalez Oliva, Ignacio | Draxl, Claudia
Source: Refubium (Universitätsbibliothek der Freien Universität Berlin) (article, 2025-01-01)
Field: Materials Science — Materials Chemistry

Efficient G0W0 and Bethe-Salpeter equation calculations of heterostructures within an all-electron framework The combination of two-dimensional materials into heterostructures offers new opportunities for the design of optoelectronic devices with tunable properties. However, computing electronic and optical properties of such systems using state-of-the-art methodology is challenging due to their large unit cells. This is particularly so for highly precise all-electron calculations within the framework of many-body perturbation theory, which come with high computational costs. Here, we extend an approach that allows for the efficient calculation of the noninteracting polarizability, previously developed for plane wave basis sets, to the (linearized) augmented plane wave method. This approach is based on an additive ansatz, which computes and superposes the polarizabilities of the individual components in their respective unit cells. We implement this formalism in the G(0)W(0) module of the exciting code and implement an analogous approach for BSE calculations. This allows the calculation of highly precise optical spectra at low cost. So-obtained results of the quasiparticle band structure and optical spectra are demonstrated for bilayer WSe2 and pyridine@MoS2 in comparison with exact reference calculations. Quasiparticle ; Formalism (music) ; Heterojunction ; Spectral line ; Plane wave ; Bilayer ; Computation ; Optical spectra 2D Materials and Applications ; Heusler alloys: electronic and magnetic properties ; Advanced Chemical Physics Studies
Authors: Aleksey Zhukov | S.O. Artemenko | П. М. Жук | Ekaterina Bobrova | Andrey Medvedev
Source: Nanotechnologies in Construction A Scientific Internet-Journal (article, 2025-08-31)
Field: Materials Science — Ceramics and Composites

Low-energy binding agent for stone wool-based products Introduction.The primary objective of this study is to reduce the energy consumption involved in manufacturing mineral wool products by developing an innovative binder based on modified epoxy compounds.To achieve this objective, the potential use of epoxy compounds as binders and their modification methods were thoroughly investigated.Materials and Methods.The materials used included an epoxy binder, a modifier, and a plasticizer.The mineral wool featured an acidity modulus ranging from 1.8 to 2.1 and fiber diameters approximately 4-5 m.Adhesion strength and tensile strength tests were conducted using an INSTRON 3382 testing machine.A methodology was developed and implemented to study the formulation and technological parameters for producing the modified epoxy binder.Results.The optimal composition of the modified epoxy binder was identified, comprising 6% modifier (latent component) and 3% plasticizer.The recommended thermal curing temperature was established at 150-154 C, which is significantly lower than the 240-320 C typically required for conventional binders.This work helps by creating a digital method to study the technology and showing that, obtained using a latent component and plasticizer, modified epoxy compounds can be used as binders for mineral wool products.Following curing, the adhesion strength to mineral surfaces reached 58.4 MPa, the tensile strength of the binder was 77.4 MPa, and the adhesion strength after climatic testing was 29.1 MPa.Conclusion.Assessment of the properties of mineral wool products demonstrated that their operational durability is comparable to that of products manufactured with traditional binders.Mineral fiber products -including basalt, glass, and stone wool -are among the most commonly used and effective thermal and sound insulation materials.Their application significantly reduces energy consumption for cooling during hot periods and heating during cold seasons.Using the modified epoxy binder cuts energy costs for heating by 50% and lowers overall heat use by 20-30%, which improves the energy efficiency of the products. Wool ; Polymer science ; Chemistry ; Pulp and paper industry ; Computer science ; Materials science ; Engineering ; Composite material Glass properties and applications
Authors: Haiyang Zhang | Youqiang Wang | Gangjun Guo
Source: Academic Journal of Emerging Technologies (article, 2025-10-16)
Field: Materials Science — Surfaces, Coatings and Films

Superhydrophobic HWCNTs/EP composite coating with anti-icing and photothermal deicing properties Photothermal superhydrophobic surfaces have garnered significant attention for their exceptional anti-icing and photothermal deicing capabilities. However, the shortcomings of stability and fabrication complexity limit their practical appli-cation. This work designed and fabricated a HWCNTs/EP composite coating that combines anti-icing/deicing performance, and facile preparation. During fabri-cation, the HWCNTs and EP ratio was systematically optimized by evaluating wettability, photothermal conversion capability, and anti-icing/deicing perfor-mance. The composite coating in the ratio of HWCNTs/EP 1:1 exhibited a water CA of 156.7°. Photothermal testing revealed a maximum temperature increase of 69 ℃ (reached in 200 s) under one sun intensity. The composite coating demonstrated a prolonged droplet freezing time of 1026 s at −15 ℃. Photother-mal deicing testing achieved complete ice melting and detachment within 44 s. This work provides novel insights for designing stable photothermal superhy-drophobic coatings with anti-icing/deicing functionality, contributing to the development of energy-efficient ice mitigation technologies. Photothermal therapy ; Coating ; Composite number ; Fabrication ; Photothermal effect Surface Modification and Superhydrophobicity ; Icing and De-icing Technologies ; High voltage insulation and dielectric phenomena
Authors: Lawrence Precious Oyindenepre | M. C. Onojake
Source: Journal of applied chemical science international (article, 2025-08-05)
Field: Chemistry — Analytical Chemistry

Comparative Analysis of the Bulk Properties of Crude Oil Samples from Four Producing Fields in the Niger Delta, Nigeria Twelve different crude oil samples were collected from four oil fields in the Niger Delta Nigeria. The bulk properties of these crude oils which include API gravity, specific gravity, reid vapour pressure, kinematic viscosity, dynamic viscosity, moisture, cloud point, pour point, gum content and Sulphur content were analyzed, using standard procedures of American Society for Testing and Materials (ASTM). The results show API gravity values ranged from 30.540 ± 0.100 - 42.460 ± 0.100, Specific gravity 0.813 ± 0.001 – 0.873 ± 0.001, Kinematic viscosities 2.001 ± 0.001 - 5.547±0.010cSt, Dynamic viscosities 1.631±0.000 - 5.057±0.010 cP at 0°C, Gum content 4.676±0.010 - 87.350±0.100 ml, flash point 15.000±0.200 °C - 27.000±0.200 °C, Pour point –16.000±0.200°C - +14.000±0.200°C. The correlation analysis of kinematic viscosity (Kv) and gum content r =0.965 was strongest, indicating increased viscosity with respect to high gum content. These physicochemical properties play a crucial role in determining the crude oil's suitability for refining, transportation, and its environmental impact. The data highlights the need for tailored handling and processing strategies based on the specific characteristics of each crude oil sample. Niger delta ; Crude oil ; Delta ; Pulp and paper industry ; Environmental science ; Petroleum engineering ; Engineering Petroleum Processing and Analysis ; Enhanced Oil Recovery Techniques
Authors: Astrid Sitompul | Asrah Rezki Fauzani | Habibah Hanim Lubis | Vita Pujawanti Dhana | Irmiah Nurul Rangkuti | Siti Wahidah | Hendro Sudartono | Erni Erni | Murni Astuti
Source: Jurnal Penelitian Pendidikan IPA (article, 2025-12-31)
Field: Materials Science — Materials Chemistry

From Craft to Science: Embedding Physics of Materials into Product-Based Learning in Cosmetology Education Fantasy hair styling in vocational cosmetology is commonly treated as a tacit craft activity, leaving limited evidence that material and geometry choices lead to ergonomic and stable designs. This study aimed to develop and validate craft-based support frames for fantasy buns while making materials-science and basic biomechanics concepts explicit. Using a 4D Research and Development model (Define–Design–Develop–Disseminate), undergraduate cosmetology students produced three frame variants (foam, thin wire, and polymer mesh). Product quality was evaluated by three cosmetology/beauty-education experts using a 1–5 Likert rubric covering aesthetics (neatness, proportion, creativity, harmony) and ergonomics (comfort, lightweight, ease of application/removal, positional stability). Three models conducted short wear-and-movement trials (standing, walking, head turns). Quantitative scores were converted to percentages and categorized; expert comments were analyzed thematically. Aesthetic performance averaged 87% (Very Good: neatness 90%, proportion 85%, creativity 88%, harmony 85%). Ergonomic performance averaged 83% (Very Good: comfort 85%, lightweight 82%, ease 80% [Good], stability 85%), with frame weights ranging from ~500 to 2,000 g. These results indicate that craft-based frames can produce visually coherent and ergonomically acceptable fantasy buns while supporting concept-based reasoning; future work should strengthen durability and application techniques and extend trials to longer wear durations. Cosmetology ; Craft ; Vocational education ; Carnauba wax ; Weaving ; Harmony (color) ; Quality (philosophy) ; Creativity Material Selection and Properties ; Fashion and Cultural Textiles ; Crafts, Textile, and Design
Authors: Meruert Mamatova | А. Аkilbekov | N.S. Kirilkin
Source: Technobius physics. (article, 2025-06-30)
Field: Materials Science — Materials Chemistry

Confocal and time-resolved photoluminescence spectra of MgAl₂O₄ spinel crystals irradiated with swift heavy bismuth ions Laser confocal microscopy technique (60 ps laser pulse excitation at 445 nm) and a time-correlated single photon counting (TCSPC) technique have been used to study photoluminescence (PL) in 710 MeV Bi ion irradiated MgAl2O4 single crystals. It was shown that radiation defects produced by swift Bi ions give rise to luminescence with peak at 1.9 eV. Gaussian deconvolution of the PL spectrum reveals that the band consists of three components: the first with a peak at 1.8 eV, the second at 2.1 eV, and the third at 2.35 eV. For the spinel sample irradiated to a fluence of Φ = 1×10¹² ions/cm², both PL and time-resolved photoluminescence (TRPL) spectra were measured as a function of depth within the irradiated layer using a confocal geometry. It was found that with increasing energy loss due to elastic collisions, the PL peak undergoes a redshift, which is more pronounced compared to surface emission measurements. Photoluminescence ; Fluence ; Irradiation ; Materials science ; Ion ; Luminescence ; Analytical Chemistry (journal) ; Photon counting ; Laser ; Molecular physics ; Optics ; Optoelectronics ; Chemistry ; Photon ; Physics Nuclear materials and radiation effects ; Luminescence Properties of Advanced Materials ; Ion-surface interactions and analysis
Authors: Chuanxin Yan | Lin Chen | Chunguang Zhai | Mingguang Yao | Cailong Liu
Source: Applied Physics Letters (article, 2025-11-03)
Field: Materials Science — Materials Chemistry

Laser-induced surface restructuring of carbon dots enables tunable multicolor photoluminescence via microcavity confinement Photochromic carbon dots (CDs) with high-contrast and tunable multicolor emission in solution hold great promise for the development of versatile light emitters. However, achieving such properties through a convenient and controllable synthesis method remains a significant challenge. Here, we introduce an innovative approach utilizing laser irradiation of CDs confined within a microcavity, enabling the synthesis of multicolored photoluminescent CDs. The laser-irradiated CDs exhibit time-dependent dynamic photochromic emission, transitioning from yellow to blue as a function of irradiation time. Notably, upon exceeding 450 s of irradiation, the CDs stabilize into a time-independent blue emission. The resulting CDs, with their diverse emission colors, demonstrate excellent stability and quenching resistance under ambient conditions. Mechanistic investigations reveal that the laser-induced modulation of electronic transitions within surface states, coupled with radiative recombination involving multiple surface functional groups, underpins the tunable emission properties. This work provides a robust and scalable strategy for the synthesis of photochromic CDs, opening avenues for their application in advanced optoelectronic devices and beyond. Photoluminescence ; Spontaneous emission ; Photochromism ; Carbon fibers ; Quenching (fluorescence) ; Laser ; Fabrication ; Wide-bandgap semiconductor ; Irradiation Carbon and Quantum Dots Applications ; Silicon Nanostructures and Photoluminescence ; Laser-Ablation Synthesis of Nanoparticles
Authors: Sulyman O. Ibrahim | Stephen Kenneth | Fatimah R. Abdulkadir | Abdulmumeen A. Hamid | Olamilekan J. Ibukun | Marili F. Zubair | Olubunmi Atolani
Source: Maǧallaẗ ǧāmiʿaẗ al-Sulṭān Qābūs li-l-ʿulūm/Sultan Qaboos University journal for science (article, 2025-05-20)
Field: Materials Science — Polymers and Plastics

Chemical Characterization and Comparative Analysis of Alkyd resins from &lt;i&gt;Gossypium Hirsutum&lt;/i&gt; Seed Oil Using Maleic and Phthalic Anhydrides Oilseeds are a significant source of raw materials for industry. Because of the overuse of edible fixed oil of plant origin in cosmetics, paints, and other manufacturing industries, the price of edible oils has increased, creating a considerable imbalance between the domestic and industrial markets. Local production of industrial intermediates such as alkyd resins is necessary to lessen import dependency. Alcoholysis methods were used to prepare alkyd resin from under-utilized seed oil of Gossypium hirsutum using maleic and phthalic anhydride. The prepared alkyd resins were characterized, and their physiochemical and chemical stability were compared to industrial grade commercial alkyd resin. Alkyd resin prepared from seed oil and maleic anhydride (COTMA) has the highest yield of 70.44%, compared to the one made from phthalic anhydride (COTPA) at 58.88%. The two alkyds show better total solids between 82.68–85.75% compared to 51.56% for commercial alkyd resin indicating possibilities of getting paint from the prepared alkyd. The alkyd formed also shows comparable drying time (60–75 mins) relative to the commercial counterpart (70 mins). Fourier-transform infrared (FT-IR), UV-Visible and 1H Nuclear Magnetic Resonance (1H NMR) spectroscopy were used to characterize the modified products (confirming a successful reaction). The study shows G. hirsutum seed oil can replace dietary vegetable oils currently used in the vegetable oil-dependent industries. Alkyd ; Phthalic anhydride ; Maleic anhydride ; Raw material ; Soybean oil ; Vegetable oil Polymer composites and self-healing ; Lignin and Wood Chemistry ; Polymer Science and PVC
Authors: Stella Isioma Monye | Sunday A. Afolalu | O. L. Rominiyi | Snow Ngozi Monye | Boluwaji Gbenga Jaiyesimi | Joseph F. Kayode | Imhade P. Okokpujie | Martins Ilevbare | Ogunnigbo Charles
Source: NIPES Journal of Science and Technology Research (article, 2025-12-25)
Field: Materials Science — Polymers and Plastics

Integration of Self-Healing Materials for Enhanced Reliability in Mechatronic Systems The integration of self-healing materials in mechatronic systems presents a transformative method to improving reliability, durability also reducing maintenance costs. This study investigates the feasibility of self-healing materials, their performance under real-world conditions, and the challenges of integrating them with sensors, actuators, and control systems. A structured methodology was employed, beginning with a comprehensive literature review to classify self healing materials and their mechanisms. Surveys of existing technologies were analyzed to assess their industrial readiness and scalability. Key challenges, including environmental stressors, material compatibility, and regulatory concerns, were examined. Findings reveal that while self-healing materials show promise, their industrial adoption is limited by factors such as healing efficiency, long-term stability, and cost. However, advancements in intrinsic and extrinsic self-healing mechanisms offer potential solutions for reducing downtime in automation and critical applications like aerospace and healthcare. This research concludes that while self-healing materials can revolutionize mechatronics, further innovation is needed to optimize performance and scalability. The study provides insights into the future of self-healing materials and their impact on modern engineering. Downtime ; Reliability (semiconductor) ; Mechatronics ; Automation ; Aerospace ; Key (lock) ; System integration Polymer composites and self-healing ; Smart Materials for Construction ; Dielectric materials and actuators
Authors: J. Mailina | L Sahrim | A Farah Fatihah | J Abd Majid | ZP Mohammad Faridz | S Saidatul Husni | MA Nor Azah | Z.A. Zaidah
Source: JOURNAL OF TROPICAL FOREST SCIENCE (article, 2025-07-22)
Field: Chemistry — Organic Chemistry

AGARWOOD ESSENTIAL OIL QUALITY AND ANTIOXIDANT PROPERTIES OF AQUILARIA MALACCENSIS AND AQUILARIA SINENSIS Agarwood is produced by reacting to physical damage, chemical injection, and microbial and entomological activity on Aquilaria spp. (Thymelaeceae). Agarwood oil is popular as one of the most precious and most expensive oils being traded. As a precious oil, the quality of the oil is an essential issue. The quality of A. malaccensis and A. sinensis oils were analysed using electronic nose, gas chromatography (GC), and gas chromatography/mass spectrometry (GC/MS). The electronic nose signals categorised both oils into the Agarwood Pure Oil Cluster with 100% accuracy via FRIM’s Agarwood Identification System (AIS) database. Chemical analyses of A. malaccensis oil revealed the presence of 4-phenyl-2-butanone (3.27%), β-agarofuran (4.51%), and kusunol (11.30%) as the major compounds. Valerianol (15.78%) was the most abundant compound identified in A. sinensis, followed by β-agarofuran, and γ-eudesmol with a percentage of 7.45 and 6.75, respectively. Unfortunately, the detection of monoethylhexyl phthalate (5.24%) showed that the A. sinensis oil was contaminated with a plasticiser. Simultaneously, as part of our bioprospecting study, exploring the potential of selected Aquilaria spp. oils as antioxidant alternatives were conducted. The total phenolic content of A. malaccensis and A. sinensis was 10.8 and 8.5 mg GAE/g, respectively. A. sinensis essential oil exhibited higher scavenging DPPH radical activity with IC50 value of 8.46 mg/mL compared to A. malaccensis with IC50 value of 11.49 mg/mL. The ferric-reducing power activity of A. malaccensis showed absorbance slightly higher than A. sinensis at 0.165 and 0.104, respectively. The β-carotene/linoleic acid bleaching assay revealed an IC50 of 6.25 mg/mL for A. sinensis and an IC50 value of 3.66 mg/mL for A. malaccensis. A. malaccensis oil revealed higher antioxidant activities in TPC, FRAP, and β-carotene/linoleic acid bleaching assays compared to A. sinensis oil. This study suggests that pure A. malaccensis oil may potentially act an as antioxidant agent in product development. Agarwood ; Essential oil ; Biology ; Botany ; Traditional medicine ; Medicine Wood and Agarwood Research
Authors: Sanaz Malek | Masoumeh Moslemi
Source: Food Materials Research (article, 2025-01-01)
Field: Chemistry — Organic Chemistry

Application of natural preservatives in functional foods The use of natural preservatives has a long history, dating back centuries when traditional medicine relied on plant-based and other natural compounds to enhance food stability and safety. Herbs, spices, and specific plant extracts have been well-documented for their antimicrobial and antioxidant properties. These natural ingredients play a crucial role in reducing spoilage and extending the shelf life of food products. Recent advancements in scientific research have rekindled interest in natural bioactive compounds as viable alternatives to synthetic preservatives. This review seeks to delve into the importance of natural compounds in the development of functional foods, classifying them into four principal categories: botanical preservatives with two subgroups—plant-based preservatives and hydrocolloid-based preservatives; marine-derived preservatives; <italic>in-situ</italic>-produced preservatives; and the potential toxic effects associated with specific natural preservatives. The functional mechanisms of these natural preservatives encompass the inhibition of microbial growth, metal ion chelation, enzymatic inhibition, and structural modifications of food components. Although natural preservatives provide significant benefits concerning food preservation and safety, it is vital to consider the possibility of toxicity at elevated dosages. Certain bioactive compounds may exhibit cytotoxic or hepatotoxic effects when ingested in excessive quantities. This review emphasizes the necessity of achieving a balance between efficacy and safety, offering valuable insights for the optimization of natural preservatives in functional foods. A thorough understanding of these considerations will contribute to the continued advancement of safer and more effective natural preservatives, thereby promoting sustainable food production practices. Preservative ; Food spoilage ; Natural (archaeology) ; Antimicrobial ; Natural food ; Food Preservatives ; Food preservation ; Food additive Plant-Derived Bioactive Compounds ; Seaweed-derived Bioactive Compounds ; Biochemical and biochemical processes