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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
Showing 201 - 265 of 265 Journals sorted by number of followers
Revista Científica de la Universidad Nacional del Este     Open Access   (Followers: 12)
History of Science and Technology     Open Access   (Followers: 5)
Orbis Cógnita : Revista Científica     Open Access   (Followers: 4)
Research Policy : X     Open Access   (Followers: 4)
Data     Open Access   (Followers: 4)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 4)
Frontiers in Climate     Open Access   (Followers: 4)
MUST : Journal of Mathematics Education, Science and Technology     Open Access   (Followers: 4)
Journal of the Indian Institute of Science     Hybrid Journal   (Followers: 4)
Discover Sustainability     Open Access   (Followers: 3)
Journal of Composites Science     Open Access   (Followers: 3)
Research     Open Access   (Followers: 3)
Journal of Big History     Open Access   (Followers: 3)
Patterns     Open Access   (Followers: 3)
People and Nature     Open Access   (Followers: 3)
Science & Technology Studies     Open Access   (Followers: 3)
Citizen Science : Theory and Practice     Open Access   (Followers: 2)
Indonesian Journal of Science and Mathematics Education     Open Access   (Followers: 2)
International Journal of Culture and Modernity     Open Access   (Followers: 2)
Experimental Results     Open Access   (Followers: 1)
Global Journal of Science Frontier Research     Open Access   (Followers: 1)
International Journal of Innovative Research and Scientific Studies     Open Access   (Followers: 1)
Acta Scientifica Malaysia     Open Access   (Followers: 1)
Applied Mathematics and Nonlinear Sciences     Open Access   (Followers: 1)
Bilge International Journal of Science and Technology Research     Open Access   (Followers: 1)
Journal of Science and Engineering     Open Access   (Followers: 1)
Uluslararası Bilimsel Araştırmalar Dergisi (IBAD)     Open Access   (Followers: 1)
Journal of Science and Technology     Open Access   (Followers: 1)
AAS Open Research     Open Access   (Followers: 1)
ARPHA Conference Abstracts     Open Access   (Followers: 1)
Revista Vivências em Ensino de Ciências     Open Access   (Followers: 1)
iScience     Open Access   (Followers: 1)
Scientonomy : Journal for the Science of Science     Open Access   (Followers: 1)
Futures & Foresight Science     Hybrid Journal   (Followers: 1)
International Journal of Research in Science     Open Access   (Followers: 1)
Jaunujų mokslininkų darbai     Open Access   (Followers: 1)
Impact     Open Access   (Followers: 1)
Revista Saber Digital     Open Access   (Followers: 1)
Fundamental Research     Open Access  
BJHS Themes     Open Access  
South American Sciences     Open Access  
Middle European Scientific Bulletin     Open Access  
Journal of Alasmarya University     Open Access  
Research Integrity and Peer Review     Open Access  
Natural Sciences Education     Hybrid Journal  
Proceedings of the Indian National Science Academy     Full-text available via subscription  
Indian Journal of History of Science     Hybrid Journal  
RAC: Revista Angolana de Ciências     Open Access  
The Innovation     Open Access  
Journal of Responsible Technology     Open Access  
Natural Sciences     Open Access  
Revista de la Sociedad Científica del Paraguay     Open Access  
Rekayasa     Open Access  
Rihan Journal for Scientific Publishing     Open Access  
Türk Bilim ve Mühendislik Dergisi     Open Access  
ArtefaCToS : Revista de estudios sobre la ciencia y la tecnología     Open Access  
Ethiopian Journal of Sciences and Sustainable Development     Open Access  
Vilnius University Proceedings     Open Access  
Sciential     Open Access  
ARPHA Proceedings     Open Access  
Gaudium Sciendi     Open Access  
Crea Ciencia Revista Científica     Open Access  
Rafidain Journal of Science     Open Access  
Journal of Al-Qadisiyah for Pure Science     Open Access  
Revista Tecnológica     Open Access  
Himalayan Journal of Science and Technology     Open Access  
International Journal of Academic Research in Business, Arts & Science     Open Access  
Universidad, Ciencia y Tecnología     Open Access  
Fides et Ratio : Revista de Difusión Cultural y Científica     Open Access  
Acta Nova     Open Access  
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales     Open Access  
Entre Ciencia e Ingeniería     Open Access  
Revista Politécnica     Open Access  
Reportes Científicos de la FaCEN     Open Access  
Jurnal Ilmiah Ilmu Terapan Universitas Jambi : JIITUJ     Open Access  
Revista Eletrônica Ludus Scientiae     Open Access  
Emergent Scientist     Open Access  
Journal of Scientific Research and Reports     Open Access  
Asian Journal of Advanced Research and Reports     Open Access  
Archives of Current Research International     Open Access  
Advances in Research     Open Access  
International Journal of Applied Science     Open Access  
Iranian Journal of Science and Technology, Transactions A : Science     Hybrid Journal  
J : Multidisciplinary Scientific Journal     Open Access  
Revista Binacional Brasil - Argentina: Diálogo entre as ciências     Open Access  
Revista Ciencia y Tecnología     Open Access  
Journal of Institute of Science and Technology     Open Access  
Journal of Science (JSc)     Open Access  
WikiJournal of Science     Open Access  
Acta Materialia Transilvanica     Open Access  
Integrated Research Advances     Open Access  
PENDIPA : Journal of Science Education     Open Access  
Open Conference Proceedings Journal     Open Access  
Naturen     Full-text available via subscription  
Ekaia : EHUko Zientzia eta Teknologia aldizkaria     Open Access  
Sci     Open Access  
Maskana     Open Access  
Hoosier Science Teacher     Open Access  
Reports in Advances of Physical Sciences     Open Access  
Facets     Open Access  
Adıyaman University Journal of Science     Open Access  
Revista Brasileira de Iniciação Científica     Open Access  
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Scientific African     Open Access  
Scientific Journal of Mehmet Akif Ersoy University     Open Access  
Black Sea Journal of Engineering and Science     Open Access  
Fırat University Turkish Journal of Science & Technology     Open Access  
Gazi University Journal of Science     Open Access  
Middle East Journal of Science     Open Access  
International Journal of Computational and Experimental Science and Engineering (IJCESEN)     Open Access  
International Journal of Engineering, Technology and Natural Sciences     Open Access  
Bulletin of the National Research Centre     Open Access  
Uni-pluriversidad     Open Access  
ConCiencia     Open Access  
Ciencia y Tecnología     Open Access  
Revista Bases de la Ciencia     Open Access  
Elkawnie : Journal of Islamic Science and Technology     Open Access  
Ciência ET Praxis     Open Access  
Arab Journal of Basic and Applied Sciences     Open Access  
International Annals of Science     Open Access  
Science Heritage Journal     Open Access  
Avrasya Terim Dergisi     Open Access  
International Scientific and Vocational Studies Journal     Open Access  
TÜBAV Bilim Dergisi     Open Access  
LOGIKA Jurnal Ilmiah Lemlit Unswagati Cirebon     Open Access  
Dalat University Journal of Science     Open Access  
Investiga : TEC     Open Access  
Investigación Joven     Open Access  
Respuestas     Open Access  
Science Diliman     Open Access  
Instruments     Open Access  
Revista Científica y Tecnológica UPSE     Open Access  
HardwareX     Open Access  
Sultan Qaboos University Journal for Science     Open Access  
Borneo Journal of Resource Science and Technology     Open Access  
Sainstek : Jurnal Sains dan Teknologi     Open Access  
Revista de Información Científica     Open Access  
Indonesian Journal of Fundamental Sciences     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Jurnal Natural     Open Access  
Frontiers for Young Minds     Open Access  
Revista Ciência, Tecnologia & Ambiente     Open Access  
Journal of Indian Council of Philosophical Research     Hybrid Journal  
Journal of Negative and No Positive Results     Open Access  
Revista Conhecimento Online     Open Access  
Nova     Open Access  
CienciaUAT     Open Access  
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Makara Journal of Science     Open Access  
Jurnal Sains Dasar     Open Access  
Indonesian Journal of Science and Technology     Open Access  
Ethiopian Journal of Science and Technology     Open Access  
Jurnal Matematika, Sains, Dan Teknologi     Open Access  
Heidelberger Jahrbücher Online     Open Access  
ARO. The Scientific Journal of Koya University     Open Access  
International Journal of Recent Contributions from Engineering, Science & IT     Open Access  
Estação Científica (UNIFAP)     Open Access  
The Winnower     Open Access  

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Karbala International Journal of Modern Science
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2405-609X - ISSN (Online) 2405-6103
Published by Digital Commons Homepage  [8 journals]
  • Computational study on the effectiveness of flavonoids from Marsilea
           crenata C. Presl as potent SIRT1 activators and NFκB Inhibitors

    • Authors: Sri Rahayu et al.
      Abstract: Ovarian aging is a natural process in females, and it occurs due to an elevated ROS-induced inflammation caused by oxidative stress. SIRT-1 is a metabolic sensor that tightly regulates oxidative and inflammatory responses. However, this regulative function is antagonized by NFκB. Therefore, the objective of this study was to explore the pathways involved in aging and identify the flavonoid compounds from Marsilea crenata that might be useful as SIRT1 activators and NFκB inhibitors. The screening began with exploring the protein-protein interaction in the experimental process using BioGrid, and the role of the flavonoid was evaluated using STITCH. The interaction between hyperoside, luteolin, naringenin, and quercetin against SIRT1 and NFκB was determined through molecular docking, while their toxicity was also evaluated. The present result demonstrated that seven proteins were similar to the SIRT1 and NFκB pathways. The STITCH result showed six proteins involved in aging, and quercetin was shown to interact with SIRT1. The molecular docking result demonstrated that hyperoside exhibited as a SIRT1 activator for dimeric, heterodimeric, and heterotrimeric chains and NFκB inhibitor for p52-RelB, p50-p65 complex, and IκK, as it had the best binding affinity compared to the other flavonoids. These flavonoids also potentially have at least one toxicity characteristic. In conclusion, flavonoids from M. crenata might be a promising activator of SIRT1 and inhibitors of NFκB.
      PubDate: Thu, 18 Aug 2022 02:01:37 PDT
       
  • Molecular characterization of ESBLs and AmpC β-lactamases in Bacteria
           Isolated from Currency Notes Circulating in Mosul City, Iraq

    • Authors: Mahmood Zeki Al-Hasso et al.
      Abstract: The Iraqi currency notes circulating in Mosul city were evaluated for the occurrence of ESBLs and AmpC b-lactamaseproducing bacteria. Four hundred and twenty-two Gram-positive and negative bacterial isolates with different antimicrobial resistance profiles were recovered from 250 samples collected during the period from April to July 2021, among which 150 isolates (35.5%) were multi-drug resistant (MDR). The study found that 16.4% and 14.8% of Gram negative isolates were positive for ESBLs and AmpC phenotypic detection tests, respectively. Interestingly, 6.6% of the isolates were simultaneously positive for both tests. Molecular characterization was carried out using PCR technique to determine the prevalent ESBLs gene\s. The results revealed that blaTEM and blaCTX-M were the most prevalent ESBLs genes (28.6% and 26.2%, respectively). Moreover, 11.9% of the tested isolates appeared to have dual genes (blaTEM þ blaSHV). Multiplex PCR results showed the prevalence of blaFOX (52.6%) and blaCMY (21.1%) among AmpC genes detected. Remarkably, both types of b-lactamases were simultaneously detected in 76.5% of the phenotypically positive isolates. The present study suggests that the currency notes could act as a potential carrier of ESBLs and AmpC b-lactamaseproducing bacteria.
      PubDate: Thu, 18 Aug 2022 02:01:31 PDT
       
  • Molecular Docking and Dynamics Simulation Studies to Predict Multiple
           Medicinal Plants’ Bioactive Compounds Interaction and Its Behavior on
           the Surface of DENV-2 E Protein

    • Authors: Arief Hidayatullah et al.
      Abstract: The envelope protein (E) is a fusion class II protein that is essential for DENV fusion. We use two active compounds derived from commonly used plants in Indonesia: galangin and kaempferide. We ran a docking and 1000 ps molecular dynamic analysis with normal physiological parameters. During the simulation, galangin and kaempferide binding sites fluctuated. But chloroquine has lesser ligand mobility, hence keeping contact with fusion loops, whereas both drugs lose contact with hydrophobic pockets. However, the two active compounds have a more stable ligand configuration. Less than 2 Å alterations were seen in the RMSF simulation of the protein E residues. In a 1000 ps simulation, all tested compounds form stable complex with protein E, demonstrating that the two active compounds may be predicted as DENV-2 E protein fusion inhibitors, despite chloroquine inhibiting in a unique manner linked to its interaction domains.
      PubDate: Thu, 18 Aug 2022 02:01:25 PDT
       
  • Nuclear structure and Gamow-Teller B(GT) Transition Strengths for some
           Selected fp-shell Nuclei

    • Authors: Sarah M. Obaid et al.
      Abstract: In the present study, the calculations of the shell model based on large-scale unrestricted fp-model space have been conducted to study the low-lying energy levels and Gamow-Teller B(GT) transition strengths for the transitions (42Ca→42Sc, 42Sc→42Ti, 45Sc→45Ca, 45Ti→45Sc,45V→45Ti) lying in the fp-shell region. The calculations of the yrast levels and Gamow-Teller B(GT) transition strengths were compared with the related measured data. The low-lying energy levels were reasonably reproduced for the studied nuclei. The spin and parity of the unconfirmed energy levels for some studied nuclei have been confirmed. The calculated B(GT) transition strengths of Gamow-Teller (GT) for the selected isotopes lie in the fp-shell region agree very well with the measured data extracted from (3He, t), (3He, t)∗, (t,3He), (t, 3He+γ), and (p, n) reactions.
      PubDate: Tue, 09 Aug 2022 03:17:23 PDT
       
  • Purifications of Iraqi Petroleum Using Ceramic Ball Nano Cobalt Nickel
           Ferrite Filter

    • Authors: Huda Jabbar et al.
      Abstract: Iraqi petroleum, especially from the Al-Ahdab, has a big problem resulting from its high percentage of heavy metals. In this paper, heavy metals were reduced or removed from Iraqi petroleum using a Ceramic Ball Nano Cobalt Nickel Ferrite Filter (BCNF), synthesized by combining kaolin and palm frond in a 30% ratio with Co0.8Ni0.2Fe2O4 nanoparticles in a various ratios (5, 10, 15, and 20%). The sol-gel technique prepared Co0.8Ni0.2Fe2O4 nanoparticles. The structure and magnetic properties of the material are described using X-RD, FT-IR, and VSM techniques. In addition, the water ab-sorption ratio and apparent porosity were assessed. The results show that the ceramic ball Nano cobalt-nickel ferrite filter reduces V, Ni, and Fe in crude petroleum. As a result, heavy oil has been converted to the lightest petroleum obtainable. These filters will also become more popular because of their low preparation costs, ease of preparation, and ability to remove crude petroleum.
      PubDate: Tue, 09 Aug 2022 03:17:18 PDT
       
  • Studying The Physical and Biological Characteristics of Denture Base Resin
           PMMA Reinforced With ZrO2 and TiO2 Nanoparticles

    • Authors: Fatin A. Asim et al.
      Abstract: Polymethyl methacrylate (PMMA) suffers from poor mechanical properties that limit its application in the bio-medical field. In this study, PMMA was reinforced with zirconium dioxide (ZrO2) and titanium dioxide (TiO2) nanopar-ticles; subsequently, the hardness, porosity, biocompatibility, bacterial adhesion, and colonization of the reinforced PMMA with various oxide nanoparticles were characterized. The results of this study indicated that reinforced material inhibits bacterial growth and decreases bacterial adhesion by decreasing porosity and increasing PMMA hardness. Based on the findings, 3 wt% PMMA-ZrO2 and 3 wt% PMMA-ZrO2 -TiO2 composites significantly inhibited bacterial growth and adherence while maintaining hemolysis PT and INR and enhancing the hardness and decreasing porosity.
      PubDate: Tue, 09 Aug 2022 03:17:13 PDT
       
  • Skin Lesion Segmentation based on U-Shaped Network

    • Authors: Muna Khalaf et al.
      Abstract: Skin lesion segmentation is an essential step toward accurate skin lesion diagnosis. The need to automate Skin lesion segmentation on the one hand, and the challenges it faces, on the other hand, have made it a growing area of research and focus. Automation of skin lesion segmentation helps reduce the effort and time needed for diagnosis and treatment and helps make better utilization of available data and shared experiences. The challenges faced by the automation of skin lesion segmentation can be broadly defined by (but not limited to); variations in texture, shape, and size for skin lesions and the low contrast between the lesion and surrounding skin.The rise of deep learning has significantly improved the semantic segmentation results in medical imaging. U-Net structure with encoder and decoder approach is one of the most successful deep learning models for medical image segmentation. This paper introduces two models based on U-shaped structures: AlexUnet and AlexUnet+.AlxUnet is a light U-Net model with an encoder based on pre-trained AlexNet on the ImageNet database. It significant-ly reduces memory consumption and the number of parameters, thus reducing the required FLOPS by eight times. In Alexunet+, another encoder was added to the AlxUnet structure that used pre-trained VGG11 on ImageNet. It is al-lowed to aggregate the feature maps obtained from two encoders to be used in the decoder.AlxUnet and AlxUnet+ models were evaluated using three publicly available databases provided by the International Skin Imaging Collaboration, ISIC 2016, ISIC 2017, and ISIC 2018. Sensitivity, specificity, Jaccard similarity index, and dice similarity were used as performance metrics. Then, obtained structures were compared with U-Net, and many deep learning segmentation networks that were recently built for skin lesion segmentation. AlxUnet outperformed U-Net and produced acceptable results compared with the other networks. AlexUnet+ produced a more robust result and outperformed other networks.
      PubDate: Tue, 09 Aug 2022 03:17:08 PDT
       
  • C60 Hydrofullerene Induced Autophagy and Ameliorated GFAP In H2O2 Treated
           Human Malignant Glioblastoma U-373 Cell Line

    • Authors: Aryan M. Faraj et al.
      Abstract: Glioblastoma is one of the most combative astrocytoma that is resistant to chemotherapy and radiotherapy. This resistance makes it very difficult to treat. However, researches have shown that nanoparticles especially C60 hydrofullerene have antioxidant and anticancer activity. The effect of C60 hydrofullerene in cancer has been extensively studied; however, the potential regulation of autophagy and modulation of the Glial Fibrillary Acidic Protein (GFAP) gene has not been addressed in glioblastomas. Glioblastoma U-373 cell was treated with 0.5 µM of C60 hydrofullerene and/or 1 mM of hydrogen peroxide (H2O2) for 24 hours. This study demonstrated that C60 hydrofullerene and H2O2 significantly decreased cell proliferation. The gene expression and conversion of LC3-II/LC3-I were significantly induced in the separate and combined treatments. The immunofluorescent results observe that H2O2 dramatically inhibits the expression of GFAP. However, when the cells were treated with both H2O2 and C60 hydrofullerene, GFAP expression was significantly restored. The anti-proliferative effects of C60 hydrofullerene and H2O2 are shown in the results. Both treatments induced LC3-based autophagy and H2O2 was down regulated GFAP.
      PubDate: Tue, 09 Aug 2022 03:17:03 PDT
       
  • Improving Prediction of Arabic Fake News Using Fuzzy Logic and Modified
           Random Forest Model

    • Authors: Tahseen A. Wotaifi et al.
      Abstract: Throughout the last few years, the world is witnessing the so-called age of social media, as there is a complete dependence on these sites for following up on events and activities. The problem is that the misinformation or fake news is always released at the appropriate time, so this false news spreads quickly and takes a very wide resonance. Although several studies are performed to determine English fake news, the identification of Arabic misinformation remains underdeveloped. This study aims to build an improved learning model for detecting fake news in the Arabic language. Unlike previous studies that depended on analyzing the content of the tweet only, this study focuses on the text, user features, and text features. Regarding the content of the tweet, the TF-IDF method was used to convert the words into features and then determine the features that have a high rank. In contrast, a fuzzy model was used to determine the relevant features for the user. Finally, the random forest algorithm has been adapted and improved, and its results are better as compared to other machine learning methods. The accuracy of Improved Random Forest is (0.895), whereas the accuracy of Naive Bayesian and SVM techniques are found to be (0.809) and (0.848), respectively.
      PubDate: Tue, 09 Aug 2022 03:16:58 PDT
       
  • Synthesized Zinc Nanoparticles via Pulsed Laser Ablation: Characterization
           and Antibacterial Activity

    • Authors: Sahar Naji Rashid et al.
      Abstract: The pulsed laser ablation of a metallic target in the liquid (PLAL) is a modern and good method for creating a variety of nanomaterials that have piqued the interest of researchers in the last decade. It is used in this work to prepare zinc na-noparticles and zinc oxide nanoparticles (ZnPNs and ZnO NPs) using Nd: YAG laser with the two wavelengths (532 nm) and (355 nm) using the energies (600 mJ) and (500 mJ) respectively, and the number of the pulse (500, 600, 700, 800, and 900 Pulses); for each wavelength used in this work. The properties of the prepared NPs were studied by diag-nosing them by (UV-Vis, FTIR, AFM, XRD, SEM, and EDX) techniques. Then the antibacterial activity of the pre-pared nanoparticles was tested against two types of Gram-positive bacteria (Streptococcus mutans & Staphylococcus aureus) and two types of Gram-negative bacteria (Pseudomonas aeruginosa & Escherichia coli) isolated from the oral cavity. The finding showed that ZnNPs made using the PLAL approach could be employed to kill pathogenic and haz-ardous bacteria due to having antibacterial activity.
      PubDate: Tue, 09 Aug 2022 03:16:54 PDT
       
  • Continuum Damping Effects in Nuclear Collisions

    • Authors: Hossein Sadeghi et al.
      Abstract: The Time-Dependent Skyrme Hartree-Fock (TDSHF) calculations have been conducted to study 100Sn+16O, 116Sn+16O, and 122Sn+16O collisions on a 3-Dimensional (3D) mesh with SV-bas SF. For the 100Sn+16O collision, the continuum damping width of the rotational amplitudes in Ecm = 100, 150, 200, and 250 MeV has been achieved around 108, 185, 277, and 318, with the time evolution width for z2 around 15/5, 13/5, 13/9, or 14/3 fm2. The quadrupole deformation, kinetic energy, and rotational amplitude are studied. It is seen that the compound nucleus becomes uniform and spherical as time grows. The results of the time evolution show the continuum damping effects after the fusion phase. The damping mechanism is related to removing the dependence on the size of the box. The results were compared with the available experimental and theoretical results.
      PubDate: Tue, 09 Aug 2022 03:16:49 PDT
       
  • A Successful Elimination of Indonesian SARS-CoV-2 Variants and Airborne
           Transmission Prevention by Cold Plasma in Fighting COVID-19 Pandemic: A
           Preliminary Study

    • Authors: Muhammad Nur et al.
      Abstract: Global infection and mortality rates have soared to millions due to SARS-CoV-2 human-to-human transmission from via droplets which then declared as pandemic. This study examined the created cold plasma equipment (CPE) effectiveness in reducing COVID-19 transmission in a confined space. CPE sucked air using a fan in a test chamber then pushed it into a cold plasma reactor. The results indicated that it was able to terminate all SARS-CoV-2 variants along with bacteria and fungi indoors by keeping it turned on for 30 minutes’ minimum. CPE was proven as safe and effective to hinder virus transmission with the acceptable ozone emission as the side effect.
      PubDate: Tue, 09 Aug 2022 03:16:44 PDT
       
  • The Distinction of Logical Decision According to the Model of the Analysis
           of Brain Signals (EEG)

    • Authors: Akeel Abdulkareem Al-Sakaa et al.
      Abstract: Recently, brain signal patterns have been recruited by researchers in different life activities. Researchers have studied each life activity and how brain signal patterns appear. These patterns could then be generalised and used in different disciplines. In this paper, we study the brain state during decision making in a lottery experiment. An EEG device is used to capture brain signals during an experiment to extract the optimal state for logical decision making. After collecting data, extracting useful information and then processing it, the proposed method is able to identify rational decisions from irrational ones with a success rate of 67%.
      PubDate: Tue, 09 Aug 2022 03:16:39 PDT
       
  • GREEN APPROACH FOR IRON OXIDE NANOPARTICLES SYNTHESIS: APPLICATION IN
           ANTIMICROBIAL AND ANTICANCER- AN UPDATED REVIEW

    • Authors: Norul Aini Zakariya et al.
      Abstract: Cancer and microbial infections create numerous challenges nowadays. Chemotherapy agents cause severe side effects, while microbial infections, especially multidrug-resistant bacterial strains hard to treat with available antibiotics. Therefore, this review provides an overview of the green synthesis of Iron oxide nanoparticles (IONPs) with their physicochemical properties and mechanism of action . The IONPs causes cytotoxicity and antimicrobial activity by causing oxidative distress through the production of Reactive Oxygen Species (ROS). The IONPs as an anticancer and antimicrobial agent may help to overcome the limitation of conventional treatments but needs toxicity evaluation before usage in clinical applications.
      PubDate: Tue, 02 Aug 2022 10:37:17 PDT
       
  • A high yield method for protoplast isolation and ease detection of rol B
           and C genes in the hairy roots of cauliflower (Brassica oleracea L.)
           inoculated with Agrobacterium rhizogenes

    • Authors: Qutaiba Shuaib Al-Nema et al.
      Abstract: Protoplasts represent a unique experimental system for the circulation and formation of genetically modified plants. Here, protoplasts were isolated from genetically modified hairy root tissues of Brassica oleracea L. induced by the Agrobacterium rhizogenes strain (ATCC13332). The concentration of enzyme solutions utilized for protoplast isolation was 1.5 % Cellulase YC and 0.1 % Pectolyase Y23 in 13% mannitol solution, which resulted in high efficiency of isolation within 8 hours, in which the protoplast yield was 2 × 104 cells ml-1 and the percentage of viability was 72%. Each protoplast has one nucleus with a nucleation of 48%. A polymerase chain reaction (PCR) assay verified the presence of rol B and rol C genes in hairy root tissues by detaching a single bundle of DNA replication from these roots using a specific pair of primers. The current study demonstrated that A. rhizogenes strain (ATCC13332) is a vector for the incorporation of T-DNA genes into cauliflower plants, as well as the success of the hairy roots retention of rol B and rol C genes transferred to it.
      PubDate: Tue, 02 Aug 2022 10:37:13 PDT
       
  • Relationships of Magnetic Properties and Heavy Metals Content of Guano in
           Bat Cave, South Sulawesi, Indonesia

    • Authors: Muhammad Arsyad et al.
      Abstract: Bat Cave is one of the caves with guano deposits in the Rammang-Rammang karst area, South Sulawesi, Indonesia. The guano deposits can indicate environmental changes in the cave. This study aims to analyze the magnetic properties and correlation between magnetic susceptibility and heavy metal content in guano. Sampling was carried out in Bat Cave, South Sulawesi, Indonesia, and magnetic susceptibility, XRD (mineralogy analysis), and XRF (heavy metal content analysis) were measured. The results showed that the guano sample contained superparamagnetic grains and stable single domain (SP-SSD) measuring -8m3/kg. The location of caves in karst areas and climate change affect the magnetic grains. The Pearson correlation coefficient analysis results showed that magnetic susceptibility had a negative correlation with the heavy metal content of Fe. Meanwhile, Fe has a positive correlation with the content of other heavy metals such as Cu, Zr, and Nb. Thus, magnetic susceptibility has the potential as a proxy indicator to detect the presence of heavy metals.
      PubDate: Tue, 02 Aug 2022 10:37:08 PDT
       
  • Tapioca starch in the sol-gel synthesis of cobalt ferrites with divalent
           cation substitutions

    • Authors: Anuchit Hunyek et al.
      Abstract: An aqueous solution of tapioca starch was successfully used as a chelating agent in the sol-gel synthesis of Co0.7Me0.3Fe2O4, where Me denotes Co, Mn, Cu, Ni, or Zn. The hysteresis loops of all sintered ferrites revealed ferrimagnetic properties. The saturation magnetization was reduced in Co0.7Cu0.3Fe2O4 and Co0.7Ni0.3Fe2O4 because of the ion substitutions with smaller magnetic moments. Interestingly, Co0.7Cu0.3Fe2O4 exhibited the highest saturation magnetization and the lowest coercive field. This result demonstrates the value addition of local agricultural products in controlling nanoparticle formation during sol-gel synthesis.
      PubDate: Tue, 02 Aug 2022 10:37:03 PDT
       
  • Investigating the Nuclear Properties of 162-172 Er Isotopes using IBM-1,
           SEF, and NEE

    • Authors: Amal M. Al-Nuaimi et al.
      Abstract: The energy levels of the ground state band (GSB), , and γ-bands for 162-172Er isotopes are calculated in this work by adopting the Interacting Boson Model (IBM-1), the Semi-Empirical Formula (SEF) and the New Empirical Equation (NEE). The GSB, , and γ-bands results revealed that IBM-1, SEF, NEE, and the available experimental data are all in agreement with certain variations. The NEE is more compatible with the experimental data than the IBM-1 and SEF calculations. This study demonstrates that the SEF and NEE equations are able to describe the energy spectra of Er isotopes in comparison to IBM-1. The Er isotopes exhibit rotational SU(3) transition behavior.
      PubDate: Tue, 02 Aug 2022 10:36:59 PDT
       
  • ANTIMICROBIAL AND CYTOTOXIC PROPERTIES OF EXTRACTS FROM OVER-SEASONED
           WORM-CASTS OF THE EARTHWORM HYPERIODRILUS AFRICANUS BEDDARD, 1891

    • Authors: Stephen Olugbemiga OWA et al.
      Abstract: ⦁ Background: Despite the continuous interest in the search for therapeutic agents, little attention has been given to the medicinal relevance of earthworm casts, with even less interest in over-seasoned worm-casts. Therefore, this study determined the phytochemical, antimicrobial, and cytotoxic properties of over-seasoned worm-casts of the earthworm Hyperiodrilus africanus (Eudrilidae). Methods: The earthworm casts were extracted with n-hexane, ethanol, and water and the crude extracts were evaluated for the presence of chemical constituents and antimicrobial properties. Cytotoxicity was inferred from the antimitotic effects of the extracts on the radicles of germinating seeds of Sorghum bicolor. Results: The chemical constituent determinations revealed the presence of alkaloids, anthraquinones, coumarins, steroids, terpenoids, tannins, cardiac glycosides, and phenols. Screening the extracts for chemical constituents revealed that the ethanolic and aqueous extracts had more chemical constituents than n-hexane extracts. The ethanolic extract showed antibacterial activity against Streptococcus sp. and Staphylococcus aureus; the aqueous extract showed antifungal activity against Aspergillus flavus and Aspergillus niger. Furthermore, both extracts showed antimitotic activity against healthy cells of S. bicolor in a manner similar to that of the reference drug (cyclophosphamide). Conclusion: The study provides evidence, lending credence to the antimicrobial and cytotoxic potential of over-seasoned casts of H. africanus.
      PubDate: Tue, 02 Aug 2022 10:36:54 PDT
       
  • A Review on the Ethnobotanical, Phytochemistry, and Pharmacological
           Activities of Aristolochia longa L.

    • Authors: Oluwafemi Adeleke Ojo et al.
      Abstract: Aristolochia longa L. is a plant native to Algeria and Morocco that has been used by the locals to combat different arrays of infections and diseases found among them. This particular plant is well-known for its therapeutic qualities that could be traced back to the presence of many effective phytochemicals that have been extrapolated from the different parts of the plant, like the leaves and roots: flavonoids, saponins, tannins, 4-hydroxybenzoic acid, β-carotenes, limonenes, and palmitic acids. This plant has been identified in different research articles to be able to manage diseases effectively because it possesses some pharmacological attributes such as; antitumor/anti-inflammatory, anti-cancer, anti-diabetic, anti-microbial, anti-fungal, as well as antioxidant properties. This review covers the ethnobotanical, phytochemical, and pharmacological activities of A. longa as well as its toxicological aspects. A thorough review of scientific literature published in a number of databases, including Scopus, Web of Science, and PubMed, was used to acquire relevant data for A. longa. The plant includes phytochemicals that have been proven to alleviate a variety of diseases. As a result, it's safe to claim that this plant is a good source of traditional medicine, which could be useful in medication development, bearing in mind that it could also be toxic depending on its consumption rate locally.
      PubDate: Tue, 02 Aug 2022 10:36:48 PDT
       
 
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