Showing 41 - 60 results of 78 for search '"chemist"', query time: 0.06s Refine Results
  1. 41

    Stereoselective strategies to access spirotetronate natural products by Brion, Aurélien, Neuville, Luc, Masson, Géraldine

    Published 2024-12-01
    “…These compounds share a common spirocyclic 4-hydroxy-1-oxaspiro[4.5]deca-3,7-dien-2-one unit, whose synthesis has been actively pursued by chemists. In this review, we highlight various approaches to accessing diversely substituted spirotetronates, including methods that enable the total synthesis of selected natural targets. …”
    Get full text
    Article
  2. 42

    A review on synthesis of β-amino carbonyl compounds using nanocatalyst by Satyaranjan Behera

    Published 2025-06-01
    “…The synthesis of β-amino carbonyl compounds remains challenging for chemists due to their severe side products. Researchers have now used nanocatalysts to achieve clean and smooth reactions, high purity of products, and reusability. …”
    Get full text
    Article
  3. 43

    VDB Entropy Measures and Irregularity-Based Indices for the Rectangular Kekulene System by Weidong Zhao, K. Julietraja, P. Venugopal, Xiujun Zhang

    Published 2021-01-01
    “…Theoretical chemists are fascinated by polycyclic aromatic hydrocarbons (PAHs) because of their unique electromagnetic and other significant properties, such as superaromaticity. …”
    Get full text
    Article
  4. 44

    Nature-inspired and medicinally relevant short peptides by Maria G. Ciulla, Monica Civera, Sara Sattin, Kamal Kumar

    Published 2023-06-01
    “…While nature has mastered the cycle of creation, application, and destruction of large and short peptides to the benefit of the host organism, organic and medicinal chemists have in their capacity and small steps, made big developments in the field of peptide synthesis as well as in developing them as therapeutics. …”
    Get full text
    Article
  5. 45

    Diversity-oriented synthesis of stereodefined tetrasubstituted alkenes via a modular alkyne gem-addition strategy by Xuan Di, Sitian Zhou, Yali Qin, Wenjun Li, Yue Zhang, Jie Zhang, Xu Shen, Jie Han, Jin Xie, Hongming Jin

    Published 2025-01-01
    “…Abstract Stereocontrolled construction of tetrasubstituted olefins has been an attractive issue yet remains challenging for synthetic chemists. In this manuscript, alkynyl selenides, when treated with ArBCl2, are subject to an exclusive 1,1-carboboration, affording tetrasubstituted alkenes with excellent levels of E-selectivity. …”
    Get full text
    Article
  6. 46

    Schiff bases and their possible therapeutic applications: A review by Nidhi, Siddharam, Devendra Pratap Rao, Amit Kumar Gautam, Ashish Verma, Yashveer Gautam

    Published 2025-01-01
    “…The long history of Schiff base has been fascinating chemists to explore its new dimension by generating optimal analogs with their therapeutic effects to serve the humankind. …”
    Get full text
    Article
  7. 47

    Evaluation of the Starch Quantification Methods of Musa paradisiaca, Manihot esculenta, and Dioscorea trífida Using Factorial Experiments by J. J. Lafont-Mendoza, C. A. Severiche-Sierra, J. Jaimes-Morales

    Published 2018-01-01
    “…Three methods were used in triplicate: the first followed the official technique of the Association of Official Analytical Chemists (AOAC), to perform acid hydrolysis and quantification of starch by Titulation; the second method involved the colorful reaction with iodine using the UV equipment to measure the absorbance and calculate the percentage of starch; as a third method the FTIR was used, through which the concentration of the starch was calculated by the area under the curve obtained from the spectrum. …”
    Get full text
    Article
  8. 48

    Chemical Composition and Nutritional Value of Three Sonchus Species by Galdino Xavier de Paula Filho, Tibério Fontenele Barreira, Helena Maria Pinheiro-Sant’Ana

    Published 2022-01-01
    “…The centesimal composition was investigated according to the norms of the Association of Official Analytical Chemists, the occurrence and concentration of carotenoids and vitamins through High-Performance Liquid Chromatography, and minerals with the aid of atomic emission spectrometry in inductively coupled plasma. …”
    Get full text
    Article
  9. 49

    The Lignicolous Fungus Hericium erinaceus (Lion’s Mane Mushroom): A Promising Natural Source of Antiradical and DPPH Inhibitory Agents by Akbar Jahedi, Saeideh Ahmadifar, Rahman Mohammadi, Ebrahim Mohammadi Goltapeh

    Published 2025-01-01
    “…After preparing mushroom samples, the amount of mineral and mycochemical substances have been respectively evaluated by the Association of Official Analytical Chemists and Folin–Ciocalteu assay. In conclusion, among the fruiting bodies’ samples harvested from 19 substrates, the substrates sawdust 30% + wheat straw 30% + bagasse 15% + rice bran 15% + corn flour 10% recorded the highest phenol and flavonoid contents, with values of 27 mg GAE/g DW ext. and 8 mg QE/g DW ext. as well as the IC50 (88.7 μg/mL). …”
    Get full text
    Article
  10. 50
  11. 51

    Founding Editorial – Forensics and TheScientificWorld by Walter Rowe

    Published 2001-01-01
    “…Gross’s manual for examining magistrates suggests ways in which the expertise of chemists, biologists, geologists, and other natural scientists could contribute to investigations. …”
    Get full text
    Article
  12. 52

    Catalytic pathways for N-arylation of benzimidazoles: A comprehensive review by Anila Ghulam, Tooba Jabeen, Sana Aslam, Matloob Ahmad, Magdi E.A. Zaki

    Published 2025-01-01
    “…Due to their distinct physicochemical and structural features, they have applications in a wide range of domains, including pharmaceutical chemistry, material sciences, and catalysis. Synthetic chemists have devised a variety of methods to accomplish efficient N-arylation of benzimidazoles. …”
    Get full text
    Article
  13. 53

    Online Monitoring of Copper Damascene Electroplating Bath by Voltammetry: Selection of Variables for Multiblock and Hierarchical Chemometric Analysis of Voltammetric Data by Aleksander Jaworski, Hanna Wikiel, Kazimierz Wikiel

    Published 2017-01-01
    “…The chief goal of this paper is to introduce to the community of electroanalytical chemists numerous variable selection methods which are well established in spectroscopy and can be successfully applied to voltammetric data analysis.…”
    Get full text
    Article
  14. 54
  15. 55

    O istotnych kontrowersjach wokół oceny zagrożeń środowiska i jego naprawy by Konrad Gałuszko

    Published 2003-12-01
    “…The key dissents on the estimation of environmental pollution between some humanists, ecophilosophers, especially devotees of deep ecology and its mass media supporters, and experimental scientists chiefly chemists and toxicologists are presented by a discussion of the most important problems: human health risk from food and nutrition, the expansion of new biological agents (pathogens), fears of chemical and physical agents stimulated opinions of toxicologists (ecotoxicologists) about most of the compounds for food preservation, antioxidants, pesticides, engine fuel components, metals. …”
    Get full text
    Article
  16. 56

    The Use of Telang Flower Extract (Clitoria ternatea L.) as a Natural Universal pH Indicator coupled with Digital Image Colorimetry by Esterlin, Euis Nursaadah, Rendy W. Wardana, M. Lutfi Firdaus

    Published 2024-12-01
    “…The acid base indicators commonly used by scientists are mostly synthetic indicators that are harmful for the environment.Moreover, chemists need various chemicals to detect broad pH ranges for acid and base samples solution.  …”
    Get full text
    Article
  17. 57

    Printable Materials for the Realization of High Performance RF Components: Challenges and Opportunities by Eva S. Rosker, Rajinder Sandhu, Jimmy Hester, Mark S. Goorsky, Jesse Tice

    Published 2018-01-01
    “…Finally, we give examples of demonstrations for various types of printed RF components and provide an outlook on future areas of research that will require multidisciplinary teams from chemists to RF system designers to fully realize the potential for printed RF components.…”
    Get full text
    Article
  18. 58

    A narrative review on inhibitory effects of edible mushrooms against malaria and tuberculosis-the world’s deadliest diseases by Ashaimaa Y. Moussa, Baojun Xu

    Published 2023-07-01
    “…This review will attract the attention of medicinal chemists, and food scientists to optimize and rationalize the use of mushrooms both as unexploited sources of novel molecules and as nutraceuticals to treat two of the deadliest infectious diseases, malaria, and tuberculosis.…”
    Get full text
    Article
  19. 59

    Poznawanie prawdy i zdolność przewidywania w naukach przyrodniczych by Irena Grochowska

    Published 2008-12-01
    “…Representatives of natural sciences (biologists, physicists, chemists) are scientists who deal with the part of knowledge regarding aspects of natural reality. …”
    Get full text
    Article
  20. 60

    Creation and interpretation of machine learning models for aqueous solubility prediction by Minyi Su, Enric Herrero

    Published 2023-10-01
    “…Conclusions: Overall, for certain applications simple ML algorithms such as RF work well and can outperform more complex methods and that combining them with fragment-coloring can offer guidance for chemists to modify the structure with a desired property. …”
    Get full text
    Article