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{"title":"Medical gases and long-term oxygen therapy: reducing the chronic obstructive pulmonary disease burden in aging populations in Sub-Saharan Africa.","authors":"Matthew Chibunna Igwe, Esther Ugo Alum, Alphonsus Ogbonna Ogbuabor","doi":"10.4103/mgr.MEDGASRES-D-25-00024","DOIUrl":"10.4103/mgr.MEDGASRES-D-25-00024","url":null,"abstract":"<p><p>Chronic obstructive pulmonary disease (COPD) is a major global health challenge, disproportionately affecting aging populations in low- and middle-income countries, including Sub-Saharan Africa (SSA). With an increasing prevalence driven by indoor air pollution, tobacco use, and occupational hazards, COPD remains underdiagnosed underdiagnosed and undertreated in the region due to inadequate healthcare infrastructure and resource constraints. This review highlights the critical role of medical gases, particularly long-term oxygen therapy (LTOT), in managing COPD, improving quality of life, and reducing mortality in patients with severe hypoxemia. Although LTOT is well-established in high-income countries, its implementation in SSA faces significant barriers, including limited access, cost, and insufficient awareness. This review analyzes COPD management, LTOT benefits, healthcare policies, and aging demographics in SSA, focusing on experimental studies and synthesizing data for coherence. Relevant articles in English published from 2014 to 2025 were retrieved from PubMed, Scopus, and WHO. Through a comprehensive analysis of the epidemiology of COPD in SSA, the challenges of integrating LTOT, and successful case studies from comparable regions, this review identifies key opportunities for addressing these gaps. Recommendations include strengthening healthcare infrastructure, fostering policy frameworks for LTOT integration, leveraging community engagement, and enhancing patient education. By addressing these challenges holistically and fostering regional and global collaborations, SSA can mitigate the growing burden of COPD and improve health outcomes for its aging populations.</p>","PeriodicalId":18559,"journal":{"name":"Medical Gas Research","volume":"16 1","pages":"46-52"},"PeriodicalIF":2.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12318579/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanisms by which sevoflurane affects cognitive function in aged marmosets and mice: up-regulation of FKBP5 expression in brain microglia.","authors":"Lei Zhang, Jiao Zhu, Zhengjie Miao, Haoli Mao, Hong Jiang","doi":"10.4103/mgr.MEDGASRES-D-24-00155","DOIUrl":"10.4103/mgr.MEDGASRES-D-24-00155","url":null,"abstract":"<p><p>JOURNAL/mgres/04.03/01612956-202603000-00004/figure1/v/2025-06-28T140100Z/r/image-tiff Inhalation anesthetics may trigger the hypothalamic-pituitary-adrenal axis. FK-506 binding protein (FKBP5) is a critical regulator of the hypothalamic-pituitary-adrenal axis and has been implicated in postoperative cognitive dysfunction. However, how inhalation anesthetics affect the expression and function of FKBP5 in the brain is unclear. We employed single-nucleus RNA sequencing to delineate the hippocampal transcriptomic profiles of the brains of aged marmosets and mice after sevoflurane anesthesia. The results of single-nucleus RNA sequencing revealed that long-term exposure (6 hours) to sevoflurane significantly increased FKBP5 expression in the hippocampus of aged marmosets and mice, especially in microglia. Western blot assay also verified the above results. The Barnes maze test showed that, compared with heterozygous control mice, microglia-specific FKBP5 conditional knockout mice exhibited improved neurocognitive function after sevoflurane/surgery. Transcriptome sequencing analysis was performed on the brains of microglia-specific FKBP5 conditional knockout mice and heterozygous mice after sevoflurane/surgery and further revealed that FKBP5 was related mainly to inflammatory signaling pathways. Therefore, these findings indicate that long-term exposure to sevoflurane increases FKBP5 expression in the hippocampus of aged marmosets and mice, which thereby affects inflammatory signaling pathways and leads to postoperative cognitive dysfunction.</p>","PeriodicalId":18559,"journal":{"name":"Medical Gas Research","volume":" ","pages":"19-25"},"PeriodicalIF":2.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12318572/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144018678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A retrospective comparison of hyperbaric oxygen and core decompression for mild to moderate avascular necrosis of the femoral head.","authors":"Ming Sun, Hairui Liang, Yong Chen, Siyu Duan, Rongda Xu, Zhencun Cai","doi":"10.4103/mgr.MEDGASRES-D-24-00162","DOIUrl":"10.4103/mgr.MEDGASRES-D-24-00162","url":null,"abstract":"<p><p>JOURNAL/mgres/04.03/01612956-202603000-00001/figure1/v/2025-06-28T140100Z/r/image-tiff Avascular necrosis of the femoral head is a condition resulting from disrupted blood supply, leading to ischemia and bone tissue necrosis. Core decompression (CD) restores the blood supply through pressure relief, whereas hyperbaric oxygen (HBO) enhances tissue oxygenation and promotes bone repair. Their combined use may complement each other in improving blood supply, promoting bone healing, and inhibiting disease progression, thus achieving a better therapeutic effect. To assess and compare the efficacy of HBO and/or CD for treating mild to moderate femoral head avascular necrosis, a retrospective study was conducted on patients diagnosed with Ficat stage II non-traumatic osteonecrosis between January 2017 and January 2022 at the Affiliated Central Hospital of Shenyang Medical University, China. A total of 72 patients were divided into HBO, CD, and combination groups, with 24 patients in each group. After 1 year of follow-up, 90% of patients in the HBO group, 85% in the CD group, and 95% in the combination group showed satisfactory improvements in hip joint function. The SF-36 quality of life questionnaire scale scores also significantly improved in all three groups, with the combination group showing the most significant improvement. These findings suggest that HBO offers promising potential for treating non-traumatic femoral head necrosis, with efficacy similar to that of CD. The combination group showed the most significant improvement in both hip joint function and quality of life.</p>","PeriodicalId":18559,"journal":{"name":"Medical Gas Research","volume":"16 1","pages":"1-5"},"PeriodicalIF":2.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12318576/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of pulsed radiofrequency combined with ozone on zoster-associated pain: a systematic review and meta-analysis.","authors":"Xiao-Tong Ding, Jin-Zhao Huang, Qiu-Song Shen, Rui-Yu Wang, Hou-Ming Kan","doi":"10.4103/mgr.MEDGASRES-D-24-00150","DOIUrl":"10.4103/mgr.MEDGASRES-D-24-00150","url":null,"abstract":"<p><p>Pulsed radiofrequency combined with ozone therapy has been a newly proposed treatment method for zoster-associated pain in recent years. To explore the effectiveness of a regimen of pulsed radiofrequency combined with ozone for the treatment of zoster-associated pain. We searched commonly used English databases (the Cochrane Library, PubMed, CINAHL, Embase, and Web of Science) and Chinese databases (the CNKI, WanFang, CBM, and VIP databases) for randomized controlled trials. Two researchers independently screened the literature on the basis of the set conditions and extracted data from the included literature. The meta-analysis was conducted via Review Manager 5.4 software. A meta-analysis was conducted on 18 studies, with a total of 1496 participants (742 in the experimental group and 754 in the control group). The results revealed that the pulsed radiofrequency combined with ozone presented lower unidimensional pain scores (standardized mean difference [SMD] = -1.55, 95% confidence interval [CI] = [-2.04, -1.06]; heterogeneity: P < 0.00001, I2 = 94%; test effect: Z = 6.18, P < 0.00001), a lower pain rating index (mean difference [MD] = -2.65, 95% CI = [-3.86, -1.44]; heterogeneity: P = 0.001, I2 = 85%; test effect: Z = 4.29, P < 0.0001) and presented pain intensity scores (MD = -0.58, 95% CI = [-0.62, -0.54]; heterogeneity: P = 0.61, I2 = 0%; test effect: Z = 27.91, P < 0.00001), a lower Pittsburgh sleep quality index (MD = -1.62, 95% CI = [-2.94, -0.31]; heterogeneity: P < 0.00001, I2 = 93%; test effect: Z = 2.42, P = 0.02), and lower interleukin-6 expression levels (SMD = -1.94, 95% CI = [-2.91, -0.97]; heterogeneity: P < 0.00001, I2 = 93%; test effect: Z = 3.92, P < 0.0001), lower gabapentin consumption (MD = -146.92, 95% CI = [-189.93, -103.91]; heterogeneity: P = 0.23, I2 = 30%; test effect: Z = 6.70, P < 0.00001). Pulsed radiofrequency combined with ozone is an effective treatment for zoster-associated pain that can effectively alleviate patients' pain and improve sleep quality, providing a new treatment option for zoster-associated pain in the future.</p>","PeriodicalId":18559,"journal":{"name":"Medical Gas Research","volume":"16 1","pages":"76-81"},"PeriodicalIF":2.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12318573/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Gas mixture in noninvasive ventilation.","authors":"Mostafa Elshazly, Garuti Giancario, Benan Bayrakci, Jose Luis Sandoval, Hebatallah Hesham Ahmed, Antonio M Esquinas","doi":"10.4103/mgr.MEDGASRES-D-24-00129","DOIUrl":"10.4103/mgr.MEDGASRES-D-24-00129","url":null,"abstract":"<p><p>Noninvasive ventilation (NIV) and high-flow nasal cannula are increasingly used to treat acute respiratory failure. Because many of these patients could also benefit from inhaled medications, combining aerosol therapy with NIV or high-flow nasal cannula is a promising approach. Effective drug delivery to the lungs is crucial for successful aerosol therapy during NIV. Prior research has identified several factors that affect aerosol delivery efficiency in NIV patients. Medical gases have a long history of use in managing various respiratory conditions. Among them, oxygen is frequently used for patients with hypoxia (e.g., hypoxemic respiratory failure and in newborns). In addition to deoxygenation, helium oxygen mixture and nitric oxide can also be administered through devices such as masks combined with NIV. This narrative review aims to provide a comprehensive overview on the application of gas mixtures (such as helium oxygen mixtures and nitric oxide) in NIV, focusing on their efficacy, safety, and optimization strategies in different clinical settings.</p>","PeriodicalId":18559,"journal":{"name":"Medical Gas Research","volume":"16 1","pages":"59-65"},"PeriodicalIF":2.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12318578/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neuroprotection of medical gases: a potential effect on treating cognitive impairments in neurological symptoms of long-COVID.","authors":"Alon Gorenshtein","doi":"10.4103/mgr.MEDGASRES-D-25-00029","DOIUrl":"10.4103/mgr.MEDGASRES-D-25-00029","url":null,"abstract":"","PeriodicalId":18559,"journal":{"name":"Medical Gas Research","volume":"16 1","pages":"84-85"},"PeriodicalIF":2.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12318571/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Roles of oxygen in the tumorigenesis, progression, and treatment of breast cancer.","authors":"Costel C Darie, Angiolina Hukovic, Veronica D Maynard, Anca-Narcisa Neagu","doi":"10.4103/mgr.MEDGASRES-D-25-00023","DOIUrl":"10.4103/mgr.MEDGASRES-D-25-00023","url":null,"abstract":"<p><p>Breast cancer is the most commonly diagnosed cancer and the second leading cause of cancer death among women worldwide. Poor prognosis in breast cancer patients is often linked to the presence of intratumoral hypoxic areas caused by abnormal vascularization and insufficient oxygen availability, which results in energetic crisis in cancer cells; metabolic and epigenetic reprogramming; the transcription of genes involved in angiogenesis; cancer cell proliferation; increased motility, aggressiveness and metastasis; the accumulation of mutations; genomic instability; the maintenance of stem cell characteristics; stromal cell recruitment; extracellular matrix remodeling; chronic inflammation; immune evasion; and adaptive responses in the tumoral microbiota. Furthermore, hypoxia is often correlated with resistance to traditional antitumor treatments used alone or in combination, which results in the need to implement novel therapies to overcome or alleviate the negative effects of oxygen deprivation in breast cancer theranostics. In breast cancer modeling research, micro- and nanofabrication-based technologies, including breast cancer-on-chip and breast cancer metastasis-on-chip platforms, are able to recapitulate the metastatic cascade of breast cancer in different controlled oxygen gradients. Mass spectrometry-based proteomics, including mass spectrometry imaging, offers opportunities for detecting, quantifying and understanding the roles of proteins and peptides, protein-protein interaction networks, and posttranslational modifications of proteins involved in hypoxia-associated biopathological processes. In this mini-review, we have summarized several modern approaches that are able to overcome the undesirable effects of hypoxia for breast cancer treatment. Thus, natural compounds with inhibitory effects on hypoxia-related signaling pathways in breast cancer cells and the tumor microenvironment, hyperbaric oxygen therapy, viral vector-based therapy that uses genetically engineered oncolytic viruses, and oncological bacteriotherapy based on biohybrid platforms, including anaerobic bacteria that are able to colonize inaccessible hypoxic regions in breast tumors to deliver chemotherapeutic drugs just into the tumor site, and smart nanoplatforms for abundant O2 generation within hypoxic breast cancer areas, including erythrocyte-like nanoparticles, metal-organic framework-nanoparticles, or engineered microalgae-metal-organic framework oxygenators, have been designed to relieve tumor hypoxia, induce antitumor responses, and improve the effects of traditional anti-breast cancer therapies.</p>","PeriodicalId":18559,"journal":{"name":"Medical Gas Research","volume":"16 1","pages":"41-45"},"PeriodicalIF":2.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12318570/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temperature dependence of complex permittivity of calcium sulfate dihydrate investigation by terahertz time-domain spectroscopy.","authors":"Zhiyuan Zheng, Mingrui Zhang, Yibo Xu, Lixian Hao, Chutong Gao, Tong Zhang, Shanshan Li, Haochong Huang, Kunfeng Qiu, Yixing Geng, Yanying Zhao, Hao Liu","doi":"10.1016/j.saa.2025.126744","DOIUrl":"10.1016/j.saa.2025.126744","url":null,"abstract":"<p><p>As a common sulfate mineral on Martian surface, calcium sulfate hydrate experiences wide temperature variations. However, the permittivity properties of calcium sulfate hydrate as a function of temperature remains underexplored. In this study, this gap has been addressed by systematically investigating the complex permittivity of calcium sulfate dihydrate (CaSO₄·2H₂O) in THz frequency band using terahertz time-domain spectroscopy over a temperature range from 100 K to 320 K. Base on the effective medium theory of Landau-Lifshitz-Looyenga (LLL), the permittivity has been extracted from the matrix and compared with that of the calcium sulfate (CaSO₄). It is found that as the temperature increases from 100 K to 320 K, the real part and the imaginary part of the permittivity for CaSO₄·2H₂O increases from 5.3 to 5.8, and 0.25 to 0.32 at 1.0 THz, respectively. For CaSO₄, the corresponding values change from 5.2 to 5.3 and 0.28 to 0.4 respectively. The difference in the permittivity properties is mainly attributed to the temperature-dependent changes in crystal-water molecular polarizability, as well as its frequency-dependent response. Finally, to investigate the effect of solar-wind on these properties, calcium sulfate dihydrate irradiated by proton with a fluence of 2 × 10¹⁰ protons/cm² has also been measured and discussed. Following proton irradiation, at 220 K the real part of the permittivity increases approximately 0.3, while the imaginary part of the permittivity decreases about 0.2. These findings provide valuable insights into the temperature-sensitive permittivity behavior of hydrated minerals as well as to quantitatively identify minerals on the Mars.</p>","PeriodicalId":94213,"journal":{"name":"Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy","volume":"345 ","pages":"126744"},"PeriodicalIF":4.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144805565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Detection of antibiotic-resistant Escherichia coli using surface-enhanced Raman spectroscopy and infrared spectroscopy.","authors":"Yanying Rao, Hong Li, Xiaoying Ding, Binggui Wang, Yuanli Liu, Xiaoxu Zhao","doi":"10.1016/j.saa.2025.126759","DOIUrl":"10.1016/j.saa.2025.126759","url":null,"abstract":"<p><p>In this study, Surface-enhanced Raman Spectroscopy (SERS) and Fourier Transform Infrared Spectroscopy (FTIR) were employed to investigate the molecular changes in Escherichia coli (E. coli) induced by exposure to ampicillin (AMP), enrofloxacin (ENR), ciprofloxacin (CIP), and norfloxacin (NFX) over time. The optimal concentration of E. coli for SERS analysis was determined to be 50 μL of bacterial suspension, diluted six times to achieve an OD600 ≈ 0.1. The primary changes in the SERS spectra were observed at 1267 cm^-1, corresponding to the amide III band in proteins, while the FTIR spectra revealed significant changes in the 1200-900 cm^-1 range, associated with carbohydrates, under AMP treatment. ENR, CIP, and NFX, which are quinolone antibiotics, act as inhibitors of DNA synthesis. The main changes in the SERS spectra for antibiotic-resistant E. coli were observed at 760 cm^-1 (attributed to cytosine and uracil), 960 cm^-1 (CN stretching and CC deformation), and 1140 cm^-1 (COC stretching and ring breathing). In the FTIR spectra, significant changes were detected at 1655 cm^-1, 1544 cm^-1, and 1239 cm^-1, corresponding to the amide I, amide II, and amide III bands, respectively. The combination of SERS and FTIR with principal component analysis (PCA) enabled the detection of molecular modifications in antibiotic-resistant E. coli exposed to different classes of antibiotics. These findings enhance our understanding of the mechanisms of action of antibiotics in bacteria.</p>","PeriodicalId":94213,"journal":{"name":"Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy","volume":"345 ","pages":"126759"},"PeriodicalIF":4.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144805558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of dielectric studies of paracetamol-diethylamine solutions: Experimental and machine learning approach.","authors":"P M Prajapati, Sanketsinh Thakor, Prince Jain, V A Rana, T R Pandit","doi":"10.1016/j.saa.2025.126767","DOIUrl":"10.1016/j.saa.2025.126767","url":null,"abstract":"<p><p>This paper discusses about the dielectric studies of binary mixtures of paracetamol (PCM) and Diethylamine (DEA). Parallel resistance (R_p) and Parallel capacitance (C_p) measured using a precision LCR meter over a frequency range of 20 Hz-2 MHz at four distinct temperatures, starting from 293.15 K and increasing by 10 K for each subsequent measurement. These experimental parameters were used to compute the complex dielectric function, from which electrical properties like complex conductivity, complex impedance and complex electrical modulus-were derived. In addition to conventional analysis, machine learning (ML) models were implemented to predict dielectric constant (ε') and dielectric loss (ε″) values based experimental inputs, with their predictive performance significantly enhanced through Bayesian hyperparameter optimization. This dual approach of combining experimental data with ML modelling offers a novel methodology for efficient and accurate characterization of dielectric systems. The added value of this study lies in its ability to bridge physical measurements with computational predictions, reducing experimental workloads and improving generalization in similar systems. The findings have potential applications in material science, pharmaceuticals, and electronic device modelling. This study demonstrates that ML assisted dielectric analysis can serve as a powerful tool in predictive material characterization.</p>","PeriodicalId":94213,"journal":{"name":"Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy","volume":"345 ","pages":"126767"},"PeriodicalIF":4.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144805562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}