Machine Learning-Assisted Chromium Speciation Using a Single-Well Ratiometric Fluorescent Nanoprobe
This study introduces a single-well fluorometric sensor that utilizes orange emissive thioglycolic acid stabilized CdTe quantum dots (TGA-QDs) and blue emissive carbon dots (CDs) to detect and differentiate between various chromium species, such as Cr (III) and Cr (VI) (i.e., CrO42- and Cr2O72-). The variations of fluorescence spectra of the proposed probe upon chromium species addition were analyzed using machine learning techniques such as linear discriminant analysis and partial least squares regression as a classification and multivariate calibration technique, respectively. Linear discriminant analysis (LDA) demonstra...
Source: Chemosphere - April 13, 2024 Category: Chemistry Authors: Razieh Motamedi Khozani Samira Abbasi-Moayed Mohammad Reza Hormozi-Nezhad Source Type: research
Metal organic framework anchored onto biowaste mediated carbon material (rGO) for remediation of Chromium (VI) by the photocatalytic process
In this study, a hybrid amino functionalized MOF@rGO nanocatalyst was produced by utilization of a biowaste mediated carbon material (reduced graphene oxide; rGO) and its surface was modified by in situ synthesis of a nanocrystalline, mixed ligand octahedral MOF containing iron metal and NH2 functional groups and the prepared composite was investigated for Cr (VI) removal. The photocatalytic degradation of Cr(VI) in aqueous solutions was carried out under UV irradiation. Using a batch mode system, the effect of numerous control variables was examined, and the process design and optimization were carried out by response sur...
Source: Chemosphere - April 13, 2024 Category: Chemistry Authors: S Sathish K Satish Kumar Siddharth U D Prabu M Karthikeyan Venkatesan D Supriya S Andal P Omirserik Baigenzhenov Aravind Kumar J Source Type: research
Machine Learning-Assisted Chromium Speciation Using a Single-Well Ratiometric Fluorescent Nanoprobe
This study introduces a single-well fluorometric sensor that utilizes orange emissive thioglycolic acid stabilized CdTe quantum dots (TGA-QDs) and blue emissive carbon dots (CDs) to detect and differentiate between various chromium species, such as Cr (III) and Cr (VI) (i.e., CrO42- and Cr2O72-). The variations of fluorescence spectra of the proposed probe upon chromium species addition were analyzed using machine learning techniques such as linear discriminant analysis and partial least squares regression as a classification and multivariate calibration technique, respectively. Linear discriminant analysis (LDA) demonstra...
Source: Chemosphere - April 13, 2024 Category: Chemistry Authors: Razieh Motamedi Khozani Samira Abbasi-Moayed Mohammad Reza Hormozi-Nezhad Source Type: research
Cellular Senescence Mediates Hexavalent Chromium-Associated Lung Function Decline: Insights from a Structural Equation Model
This study provided data support for 8-iso-PGF2α, telomere length, and rDNA CNs as novel biomarkers of chromate exposure, emphasizing the significant role of cellular senescence in the mechanism underlying chromate-induced lung function decline.PMID:38608856 | DOI:10.1016/j.envpol.2024.123947 (Source: Environmental Pollution)
Source: Environmental Pollution - April 12, 2024 Category: Environmental Health Authors: Yali Zhang Guiping Hu Qiaojian Zhang Shiyi Hong Zekang Su Li Wang Tiancheng Wang Shanfa Yu Fang Yuan Xiaojun Zhu Guang Jia Source Type: research
Effect of laser etching on surface characteristics of and porcelain bond to soft milled and direct metal laser sintered cobalt chromium alloys
The surface topography of metal substrate can affect its bond to porcelain. A neodynium-doped yttrium aluminum garnet (Nd:YAG) laser has been introduced to modify the metal surface topography and improve porcelain bond strength. However, studies on the effect of laser etching on metal to porcelain bond strength are lacking. (Source: Journal of Prosthetic Dentistry)
Source: Journal of Prosthetic Dentistry - April 11, 2024 Category: Dentistry Authors: Rewaa Gaber AboElhassan, Noha Morsy Tags: Research and education Source Type: research
Effect of laser etching on surface characteristics and porcelain bond to soft milled and direct metal laser sintered cobalt chromium alloys
The surface topography of metal substrate can affect its bond to porcelain. A neodynium-doped yttrium aluminum garnet (Nd:YAG) laser has been introduced to modify the metal surface topography and improve porcelain bond strength. However, studies on the effect of laser etching on metal to porcelain bond strength are lacking. (Source: Journal of Prosthetic Dentistry)
Source: Journal of Prosthetic Dentistry - April 11, 2024 Category: Dentistry Authors: Rewaa Gaber AboElhassan, Noha Morsy Tags: Research and education Source Type: research
The characterization of plant derived-carbon dots and its responses on chlorophyll a fluorescence kinetics, radical accumulation in guard cells, cellular redox state and antioxidant system in chromium stressed-Lactuca sativa
In conclusion, CDs have the potential to be used as a biocompatible inducer in removing the adverse effects of Cr stress in lettuce plants.PMID:38599327 | DOI:10.1016/j.chemosphere.2024.141937 (Source: Chemosphere)
Source: Chemosphere - April 10, 2024 Category: Chemistry Authors: Ceyda Ozfidan-Konakci Evren Yildiztugay Busra Arikan Fatma Nur Alp-Turgut Canan Baslak Murat Yildirim Source Type: research
The characterization of plant derived-carbon dots and its responses on chlorophyll a fluorescence kinetics, radical accumulation in guard cells, cellular redox state and antioxidant system in chromium stressed-Lactuca sativa
In conclusion, CDs have the potential to be used as a biocompatible inducer in removing the adverse effects of Cr stress in lettuce plants.PMID:38599327 | DOI:10.1016/j.chemosphere.2024.141937 (Source: Chemosphere)
Source: Chemosphere - April 10, 2024 Category: Chemistry Authors: Ceyda Ozfidan-Konakci Evren Yildiztugay Busra Arikan Fatma Nur Alp-Turgut Canan Baslak Murat Yildirim Source Type: research
The characterization of plant derived-carbon dots and its responses on chlorophyll a fluorescence kinetics, radical accumulation in guard cells, cellular redox state and antioxidant system in chromium stressed-Lactuca sativa
In conclusion, CDs have the potential to be used as a biocompatible inducer in removing the adverse effects of Cr stress in lettuce plants.PMID:38599327 | DOI:10.1016/j.chemosphere.2024.141937 (Source: Chemosphere)
Source: Chemosphere - April 10, 2024 Category: Chemistry Authors: Ceyda Ozfidan-Konakci Evren Yildiztugay Busra Arikan Fatma Nur Alp-Turgut Canan Baslak Murat Yildirim Source Type: research
The characterization of plant derived-carbon dots and its responses on chlorophyll a fluorescence kinetics, radical accumulation in guard cells, cellular redox state and antioxidant system in chromium stressed-Lactuca sativa
In conclusion, CDs have the potential to be used as a biocompatible inducer in removing the adverse effects of Cr stress in lettuce plants.PMID:38599327 | DOI:10.1016/j.chemosphere.2024.141937 (Source: Chemosphere)
Source: Chemosphere - April 10, 2024 Category: Chemistry Authors: Ceyda Ozfidan-Konakci Evren Yildiztugay Busra Arikan Fatma Nur Alp-Turgut Canan Baslak Murat Yildirim Source Type: research
Accurate prediction analysis of steel alloy elements by femtosecond laser-ablation spark-induced breakdown spectroscopy and out-of-bag random forest regression
J. Anal. At. Spectrom., 2024, Advance Article DOI: 10.1039/D4JA00036F, PaperXiaoyong He, Bing Dong, Bingyan Zhou, Jingbo Liu, Yarui Wang Femtosecond laser-ablation spark-induced breakdown spectroscopy (fs-LA-SIBS) and out-of-bag random forest regression (OOB-RFR) were developed for accurate quantitative analysis of the elements manganese (Mn), chromium (Cr), and nickel (Ni) in steel alloys. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - J. Anal. At. Spectrom. latest articles)
Source: RSC - J. Anal. At. Spectrom. latest articles - April 9, 2024 Category: Chemistry Authors: Xiaoyong He Source Type: research
Novel chromium (III)-based compound for inhibition of oxaliplatin-resistant colorectal cancer progression
This study delved into the potential of a novel chromium (III)-based compound, hexaacetotetraaquadihydroxochromium (III) diiron (III) nitrate, for CRC treatment. The therapeutic promise of this innovative chromium (III)-based compound was explored by utilizing LoVo colon cancer cells and an in-vivo mouse model of CRC. Various dosages of the compound were administered to LoVo parental cells and LoVo oxaliplatin-resistant cells. Findings unveiled that a concentration of 2000 μg/mL of the chromium (III) compound significantly inhibited mesenchymal transition and the migratory and invasive properties of LoVo oxaliplatin-resis...
Source: Cell Research - April 9, 2024 Category: Cytology Authors: Ming-Cheng Chen Hema Sri Devi Hsueh-Fa Pien Shina Fong-Mei Wen Jenn-Line Sheu Bruce Chi-Kang Tsai Chih-Yang Huang Yu-Jung Lin Source Type: research
Socio-demographic inequalities influence differences in the chemical exposome among Swedish adolescents
Environ Int. 2024 Mar 31;186:108618. doi: 10.1016/j.envint.2024.108618. Online ahead of print.ABSTRACTRelatively little is known about the relationship between socio-demographic factors and the chemical exposome in adolescent populations. This knowledge gap hampers global efforts to meet certain UN sustainability goals. The present work addresses this problem in Swedish adolescents by discerning patterns within the chemical exposome and identify demographic groups susceptible to heightened exposures. Enlisting the Riksmaten Adolescents 2016-17 (RMA) study population (N = 1082) in human-biomonitoring, and using proportional...
Source: Environment International - April 9, 2024 Category: Environmental Health Authors: Sebastian Pineda Sanna Lignell Irina Gyllenhammar Erik Lampa Jonathan P Benskin Thomas Lundh Christian Lindh Hannu Kiviranta Anders Glynn Source Type: research
Probiotics Pediococcus acidilactici GR-1 promotes the functional strains and remodels gut microbiota to reduce the Cr(VI) toxicity in a dual-chamber simulated intestinal system
Chemosphere. 2024 Apr 7:141927. doi: 10.1016/j.chemosphere.2024.141927. Online ahead of print.ABSTRACTNumerous animal studies have demonstrated the toxicity of hexavalent chromium [Cr(VI)] and the bioremediative effects of probiotics on the composition and functions of gut microbiota. Since the precise mechanisms of Cr(VI) detoxification and its interactions with human gut microbiota were unknown, a novel dual-chamber simulated intestinal (DCSI) system was developed to maintain both the stability of the simulated system and the composition of the gut microbiota. Probiotic GR-1 was found to regulate intestinal gut microbiot...
Source: Chemosphere - April 9, 2024 Category: Chemistry Authors: Xing Wang Zemin Wang Shaochen Su Ying Wu Jingjing Fan Xiaoxiao Hou Kunyue Zhang El-Sayed Salama Saurabh Kulshrestha Zhenmin Ling Pu Liu Xiangkai Li Source Type: research
Probiotics Pediococcus acidilactici GR-1 promotes the functional strains and remodels gut microbiota to reduce the Cr(VI) toxicity in a dual-chamber simulated intestinal system
Chemosphere. 2024 Apr 7:141927. doi: 10.1016/j.chemosphere.2024.141927. Online ahead of print.ABSTRACTNumerous animal studies have demonstrated the toxicity of hexavalent chromium [Cr(VI)] and the bioremediative effects of probiotics on the composition and functions of gut microbiota. Since the precise mechanisms of Cr(VI) detoxification and its interactions with human gut microbiota were unknown, a novel dual-chamber simulated intestinal (DCSI) system was developed to maintain both the stability of the simulated system and the composition of the gut microbiota. Probiotic GR-1 was found to regulate intestinal gut microbiot...
Source: Chemosphere - April 9, 2024 Category: Chemistry Authors: Xing Wang Zemin Wang Shaochen Su Ying Wu Jingjing Fan Xiaoxiao Hou Kunyue Zhang El-Sayed Salama Saurabh Kulshrestha Zhenmin Ling Pu Liu Xiangkai Li Source Type: research
