Chemical Society Research Articles

Approaches for the Efficient Removal of Fluoride from Groundwater: A Comprehensive Review.

Contamination of groundwater with fluoride represents a significant global issue, with high concentrations posing serious public health threats. While fluoride is a critical element in water, excessive levels can be detrimental to human health and potentially life-threatening. Addressing the challenge of removing fluoride from underground water sources via nanotechnological approaches is a pressing concern in environmental science. To collate relevant information, extensive literature searches were conducted across multiple databases, including Google Scholar, PubMed, Scopus, Web of Science, the American Chemical Society, Elsevier, Springer, and the Royal Society of Chemistry. VOS Viewer software version 1.6.20 was employed for a systematic review. This article delivers an exhaustive evaluation of various groundwater fluoride removal techniques, such as adsorption, membrane filtration, electrocoagulation, photocatalysis, and ion exchange. Among these, the application of nanoparticles emerges as a notable method. The article delves into nano-compounds, optimizing conditions for the fluoride removal process and benchmarking their efficacy against other techniques. Studies demonstrate that advanced nanotechnologies-owing to their rapid reaction times and potent oxidation capabilities-can remove fluoride effectively. The implementation of nanotechnologies in fluoride removal not only enhances water quality but also contributes to the safeguarding of human health.

Ethics of the future of chemical sciences

AbstractThe 2016 Royal Society of Chemistry’s report Future of the Chemical Sciences presents four different scenarios for the future of chemistry: chemistry saves the world; push-button chemistry; a world without chemists; and free market chemistry. In this paper we ethically assess them. If chemistry is to solve many of the greatest challenges facing the contemporary world, prioritization of research topics will need to be done explicitly on the basis of moral values, ​​such as solidarity and equity, but also environmental justice, which will have to be central in determining a research agenda for chemistry. The decentralization of chemistry will also present ethical challenges to the research standards established by the scientific community. Ethical education in chemistry may help counteract these risks. We also argue that if chemistry and its subdisciplines are to fulfil their goal of generating knowledge and helping us solve the great challenges of the contemporary world, then it is ethically imperative that scientists from different disciplines be more open to interdisciplinary work. Finally, if the future of chemistry is in free market forms, then it is necessary that we pay more attention to the possible risks that this model has. We call attention to two: first, it is likely that problems that affect the lowest income countries or the most disadvantaged sectors of society, who do not have the means to pay for some of the goods and services, will not be addressed; second, the free market tends to foster unsustainable forms of development.

Professor Carla Bottoli, an enthusiastic scientific researcher, kindly spoke to BrJAC

Carla Beatriz Grespan Bottoli holds a degree in Industrial Chemistry from the Federal University of Santa Maria (1996), as well as a Ph.D. in Chemistry (2002), and a postdoctoral degree in Chemistry (2002-2004), both from the State University of Campinas (Unicamp). In 2005, she undertook an internship at the Institute of Nuclear Sciences of the National Autonomous University of Mexico (UNAM) to study radiolysis in vitamins using gamma radiation from a source of Cobalt 60. In 2017, she presented her habilitation thesis (associate professor's thesis) at Unicamp. Currently, she is Associate Professor and Postgraduate Advisor at the Institute of Chemistry at Unicamp (IQ-Unicamp), where she works in the area of analytical chemistry, with emphasis on separation methods, mainly liquid chromatography. Prof. Bottoli coordinates the NovaCrom – Liquid Chromatography Laboratory (https://novacromlab.wixsite.com/novacrom), which is a research group that has been working on the development of new monolithic stationary phases for capillary liquid chromatography. Research is also focused on the development of analytical methods that employ liquid chromatography coupled with mass spectrometry to study the translocation of pesticides in plants such as coconut, palm, and soybean. Between 2019 and 2021, Prof. Bottoli was an associate coordinator of the Research Commission of the IQ-Unicamp and is currently a member of the Research Integrity Commission at Unicamp. She is a member of the Brazilian Chemical Society and a researcher at the National Institute of Science and Technology in Bioanalytics (INCTBio). Carla Bottoli is the mother of Murilo, 13 and Mateus, 10.

Teaching Experimental Instrumental Analytical Chemistry Are we forming professionals, training operators or illuding students (and ourselves)?

Teaching Experimental Instrumental Analytical Chemistry Are we forming professionals, training operators or illuding students (and ourselves)?

A New Chapter for Swiss Materials Chemistry

The division dedicated to materials chemistry at the Swiss Chemical Society (SCS) has been recently restructured by merging the Division for Polymers, Colloids, and Interfaces (DCPI) with the Materials Chemistry Network (MatChem). This column provides more insights into the process while outlining the vision and activities of the newly established SCS Division of Materials Chemistry (DMC).

Process Mass Intensity (PMI): A Holistic Analysis of Current Peptide Manufacturing Processes Informs Sustainability in Peptide Synthesis.

Small molecule therapeutics represent the majority of the FDA-approved drugs. Yet, many attractive targets are poorly tractable by small molecules, generating a need for new therapeutic modalities. Due to their biocompatibility profile and structural versatility, peptide-based therapeutics are a possible solution. Additionally, in the past two decades, advances in peptide design, delivery, formulation, and devices have occurred, making therapeutic peptides an attractive modality. However, peptide manufacturing is often limited to solid-phase peptide synthesis (SPPS), liquid phase peptide synthesis (LPPS), and to a lesser extent hybrid SPPS/LPPS, with SPPS emerging as a predominant platform technology for peptide synthesis. SPPS involves the use of excess solvents and reagents which negatively impact the environment, thus highlighting the need for newer technologies to reduce the environmental footprint. Herein, fourteen American Chemical Society Green Chemistry Institute Pharmaceutical Roundtable (ACS GCIPR) member companies with peptide-based therapeutics in their portfolio have compiled Process Mass Intensity (PMI) metrics to help inform the sustainability efforts in peptide synthesis. This includes PMI assessment on 40 synthetic peptide processes at various development stages in pharma, classified according to the development phase. This is the most comprehensive assessment of synthetic peptide environmental metrics to date. The synthetic peptide manufacturing process was divided into stages (synthesis, purification, isolation) to determine their respective PMI. On average, solid-phase peptide synthesis (SPPS) (PMI ≈ 13,000) does not compare favorably with other modalities such as small molecules (PMI median 168-308) and biopharmaceuticals (PMI ≈ 8300). Thus, the high PMI for peptide synthesis warrants more environmentally friendly processes in peptide manufacturing.

Deus Ex Machina? The Rise of Artificial Intelligence in Toxicology.

Artificial intelligence (AI) is rising rapidly, driven by big data, complex algorithms, and computing resources. Current research presented at the American Chemical Society Fall 2023 Meeting demonstrates AI to be a valuable predictive and supporting tool across all facets of toxicology.

Leadership: The heart of the American Chemical Society and the future of chemistry

Leadership: The heart of the American Chemical Society and the future of chemistry

Celebration of the lifetime achievements of Professor Chi-Tang Ho on the occasion of his 80 th birthday

Prof. Chi-Tang Ho was an illuminating thread, woven with unparalleled brilliance through the realms of food science and more. I recount the transformative experience under his guidance and a distinguished mentor.”
 He continues to say “Our academic camaraderie blossomed through scholarly discussions, unveiling numerous research avenues, and fostering intellectual curiosity. At every turning point, as new information or research direction surfaced, Prof. Ho promptly shared and discussed with me potential developments of each new project. Our collaboration persisted in my tenure at Taiwan, transcending the challenges of a 12-hour time difference. Prof. Ho remained my trusted confidant, and the first to consult on intriguing research and cutting-edge technologies.” He then adds “To date, the countless individuals who have collaborated with Prof. Ho attest to his continuous willingness to mentor and contribute to the flourishing development of the field of food science. Prof. Ho's distinguished outstanding in the academic community is underscored by numerous honours, including election as a Fellow of the American Chemical Society in 2010, the Royal Society of Chemistry in the UK in 2014, the International Academy of Food Science & Technology in 2006, the Institute of Food Technologists in 2003, and the International Society for Nutraceuticals & Functional Foods in 2018

New composite decking could reduce global warming effects of building materials

On March 18, 2024, ACS reports that scientists report they have designed a composite decking material that stores more CO2 than is required to manufacture it, providing a “carbon-negative” option that meets building codes and is less expensive than standard composite decking. The researchers have presented their results on March 18 at the spring meeting of the American Chemical Society (ACS). ACS Spring 2024 is a hybrid meeting being held virtually and in person March 17-21; it features nearly 12,000 presentations on a range of science topics.

Integrating emerging science to improve estimates of risk to wildlife from chemical exposure: What are the challenges?

Many jurisdictions require ecological risk assessments for terrestrial wildlife (i.e., terrestrial vertebrates) to assess potential adverse effects from exposure to anthropogenic chemicals. This occurs, for example, at contaminated sites and when new pesticides are proposed, and it occurs for chemicals that are in production and/or proposed for wide-scale use. However, guidance to evaluate such risks has not changed markedly in decades, despite the availability of new scientific tools to do so. In 2019, the Wildlife Toxicology World Interest Group of the Society of Environmental Toxicology and Chemistry (SETAC) initiated a virtual workshop that included a special session coincident with the annual SETAC North America meeting and which focused on the prospect of improving risk assessments for wildlife and improving their use in implementing chemical regulations. Work groups continued the work and investigated the utility of integrating emerging science and novel methods for improving problem formulation (WG1), exposure (WG2), toxicology (WG3), and risk characterization (WG4). Here we provide a summary of that workshop and the follow-up work, the regulations that drive risk assessment, and the key focus areas identified to advance the ability to predict risks of chemicals to wildlife. Integr Environ Assess Manag 2024;20:645-657. © 2024 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).

Bibliometric analysis of Sci-Hub downloads by Egyptian researchers

In this study we present an in-depth bibliometric analysis of Sci-Hub downloads by Egyptian researchers based on the 2017 download log file. The study reveals that Egyptian researchers heavily rely on Sci-Hub, generating a substantial 1,357,526 download requests in 2017, with 65% of these occurring outside regular working hours. Cairo emerges as a central hub for this activity, contributing 81.58% of total downloads. Journal articles constitute the majority of downloads at 82.36%, followed by conference papers (12.89%). A discernible trend shows a preference for recent papers published between 2012 and 2017, highlighting the demand for up-to-date research. The analysis also highlights prominent publishers, including IEEE, Elsevier, Wiley, and Springer, as preferred sources for Egyptian researchers. “Journal of the American Chemical Society” and “Journal of Applied Physics” stand out among accessed journals, while IEEE-associated conferences, notably “IEEE Power and Energy Society General Meeting,” dominate conference paper downloads. Examining journal accessibility via the Egyptian Knowledge Bank (EKB) reveals that 62.84% of journals are accessible, with Science Direct as the leading provider (28.37%). However, a significant gap emerges as 87.39% of downloaded conference papers remain inaccessible through EKB. Furthermore, a semantic analysis highlights recurring themes such as “systems,” “review,” “analysis,” “treatment,” “power,” and “energy,” reflecting the key research areas of Egyptian researchers. Overall, this study offers valuable insights into Sci-Hub’s role in supplementing Egyptian researchers’ resource access and underscores the need for comprehensive resource coverage and accessibility enhancements.

A systematic review and meta-analysis of the metal nano-particles loaded with herbal drugs moieties against breast cancer.

Background - Breast cancer is the most prevalent cancer among women. About 685K deaths were globally listed in 2020 by the World Health Organization. Nowadays, scientists prefer to use herbal medicines due to their low toxicity. Herbal medicines are used to overcome the toxicity effects of surgical removal, radio-chemo therapy and medication, which have a lot of risk of damaging the healthy tissues. To overcome this, enhance bioavailability and target specify, nano-formulation chemotherapy was introduced using herbal moiety for anticancer activity. The use of metallic nanoparticles (MNPs), particularly those made of silver, cobalt, zinc, and gold as contrast, antibacterial, anticancer, and drug delivery agents has revolutionised the medicinal field. Although MNPs can be made via exacting physical and chemical processes, a biological method utilising natural materials has been established recently. Objective - This review article will offer a succinct explanation of the use of MNPs and its potential impact on herbal medicines in the future. Methods - Using PRISMA principles, this review systematically examines studies that concentrate on metal nanoparticles loaded with herbal compounds for the treatment of breast cancer. Various Databases were studied: PubMed, Elsevier, ScienceDirect, SpringerLink, Taylor & Francis Online, ACS Publications, Publishing Royal Society of Chemistry, and Future Medicines. Studies were selected if they were peer-reviewed primary studies published in the past 10 years. Results - We found that many herbal nano-formulations are more effective in breast cancer treatment than other types of formulations. Efficacy, safety and drug stability are also enhanced using nano-formulations. Conclusion - Nano-formulation is found to be more effective in the treatment of breast cancer.

A database of thermally activated delayed fluorescent molecules auto-generated from scientific literature with ChemDataExtractor

A database of thermally activated delayed fluorescent (TADF) molecules was automatically generated from the scientific literature. It consists of 25,482 data records with an overall precision of 82%. Among these, 5,349 records have chemical names in the form of SMILES strings which are represented with 91% accuracy; these are grouped in a subsidiary database. Each data record contains one of the following four properties: maximum emission wavelength (λEM), photoluminescence quantum yield (PLQY), singlet-triplet energy splitting (ΔEST), and delayed lifetime (τD). The databases were created through text mining using ChemDataExtractor, a chemistry-aware natural-language-processing toolkit, which has been adapted for TADF research. The text-mined corpus consisted of 2,733 papers from the Royal Society of Chemistry and Elsevier. To the best of our knowledge, these databases are the first databases that have been auto-generated for TADF molecules from existing publications. The databases have been publicly released for experimental and computational applications in the TADF research field.

From Frank-Kasper, Quasicrystals, and Biological Membrane Mimics to Reprogramming In Vivo the Living Factory to Target the Delivery of mRNA with One-Component Amphiphilic Janus Dendrimers.

This Perspective is dedicated to the 25th Anniversary of Biomacromolecules. It provides a personal view on the developing field of the polymer and biology interface over the 25 years since the journal was launched by the American Chemical Society (ACS). This Perspective is meant to bridge an article published in the first issue of the journal and recent bioinspired developments in the laboratory of the corresponding author. The discovery of supramolecular spherical helices self-organizing into Frank-Kasper and quasicrystals as models of icosahedral viruses, as well as of columnar helical assemblies that mimic rodlike viruses by supramolecular dendrimers, is briefly presented. The transplant of these assemblies from supramolecular dendrimers to block copolymers, giant surfactants, and other self-organized soft matter follows. Amphiphilic self-assembling Janus dendrimers and glycodendrimers as mimics of biological membranes and their glycans are discussed. New concepts derived from them that evolved in the in vivo targeted delivery of mRNA with the simplest one-component synthetic vector systems are introduced. Some synthetic methodologies employed during the synthesis and self-assembly are explained. Unraveling bioinspired applications of novel materials concludes this brief 25th Anniversary Perspective of Biomacromolecules.

Linking Toxicology and Human Health Through the Exposome.

Current analytical technology and continuing maturation of -omics methodology have enabled detailed assessment of human exposure via the exposome. Topics exploring the connection between etiology of disease and toxicology were presented at the 2023 Fall American Chemical Society meeting.

Professor José Luis Capelo Martinez, a researcher who believes that science and technology have a direct and tangible impact on human well-being kindly granted BrJAC an interview

J. L. Capelo, PhD, gets his bachelor’s degree in chemistry by the University of Santiago de Compostela (Spain), his doctorate in Analytical Chemistry by University of Vigo, UVIGO (Spain, award to the best doctoral thesis 2002) and his Post-Doc from the Instituto Superior Técnico de Lisboa (Portugal). His academic career comprises assistant to staff and lecturer at the UVIGO; research fellow at the Chemistry Department of the New University of Lisbon, CD-FCT-UNL, research fellow at the CDUVIGO, and assistant professor at the CD-FCT- UNL. Currently he is Associate Professor at the CD-FCT-UNL. Dr. Capelo is co-head of the bioscopegroup (www.bioscopegroup.org.) and his CV comprises (up to October 2023): 290 manuscripts; 250 congress communications (orals and posters); 23 projects; 2 Patents, 1 license agreement and 3 books (1 authored and 2 edited). He has chaired 65 international conferences and is presently involved in the direction of 7. He was a member of the advisory board of Talanta from 2006 to 2014 and is Editor in Chief of the on-line Journal JIOMICS (www.JIOMICS.com) since its creation in 2011. He is presently mentoring or co-mentoring a total of 3 doctoral theses, and he has mentored 3 post-doctoral grants, 10 doctoral grants, 9 masters and 8 final projects. His current research interest is devoted to developing new methodological approaches in personalised medicine using new proteomics approaches and unravelling bacterial resistance to antibiotics. He is a Fellow Member of the Royal Society of Chemistry, member of the American Chemical Society and member of the Portuguese Society of Chemistry. H index 45 (Scopus Scholar). 8300 Citations. His skills include sampling and sample treatment for trace metals; metal speciation, proteomics, biomarker discovery; food chemistry; and development and validation of analytical procedures. Analytical techniques: HPLC-ICP-MS, ET-AAS, F-AAS, CVAAS, HG- AAS, HG-AFS, MALDI-TOF-MS/MS, RP-HPLC-ESI-IT-MS/MS. Teaching (theory and laboratory) in Analytical Biochemistry, Proteomics, and related disciplines. H index 40, circa 8000 citations. Awards: Best 2002 Doctoral Thesis in Chemistry. University of Vigo. Spain. Rainbow Prize 2017.

Integrating climate model projections into environmental risk assessment: A probabilistic modeling approach.

The Society of Environmental Toxicology and Chemistry (SETAC) convened a Pellston workshop in 2022 to examine how information on climate change could be better incorporated into the ecological risk assessment (ERA) process for chemicals as well as other environmental stressors. A major impetus for this workshop is that climate change can affect components of ecological risks in multiple direct and indirect ways, including the use patterns and environmental exposure pathways of chemical stressors such as pesticides, the toxicity of chemicals in receiving environments, and the vulnerability of species of concern related to habitat quality and use. This article explores a modeling approach for integrating climate model projections into the assessment of near- and long-term ecological risks, developed in collaboration with climate scientists. State-of-the-art global climate modeling and downscaling techniques may enable climate projections at scales appropriate for the study area. It is, however, also important to realize the limitations of individual global climate models and make use of climate model ensembles represented by statistical properties. Here, we present a probabilistic modeling approach aiming to combine projected climatic variables as well as the associated uncertainties from climate model ensembles in conjunction with ERA pathways. We draw upon three examples of ERA that utilized Bayesian networks for this purpose and that also represent methodological advancements for better prediction of future risks to ecosystems. We envision that the modeling approach developed from this international collaboration will contribute to better assessment and management of risks from chemical stressors in a changing climate. Integr Environ Assess Manag 2024;20:367-383. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).

2023 Outstanding Papers published in the Environmental Science journals of the Royal Society of Chemistry

The Editors-in-Chief of the Environmental Science journals introduce the Outstanding Papers of 2023.

2023 Outstanding Papers published in the Environmental Science journals of the Royal Society of Chemistry

The Editors-in-Chief of the Environmental Science journals introduce the Outstanding Papers of 2023.