Multi-Isotope Geochemical Baseline Study of the Carbon Management Canada Research Institutes CCS Field Research Station (Alberta, Canada), Prior to CO2 Injection by Rachel E. Utley, Emma Martin-Roberts, Nicholas Utting, Gareth Johnson, Domokos Györe, Marta Zurakowska, Finlay M. Stuart, Adrian J. Boyce, Thomas H. Darrah, Pauline Gulliver, R. Stuart Haszeldine, Don Lawton, Stuart M. V. Gilfillan

“…However, we also find that predominantly biogenic CH4 (∼90%–99%) is pervasive in both groundwater and gases within the shallow succession, which contain numerous coal seams. …”
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Assessment of Impact of Meteorology and Precursor in Long-term Trends of PM and Ozone in a Tropical City by Christian Mark G. Salvador, Angeles D. Alindajao, Karen B. Burdeos, Mark Anthony M. Lavapiez, Jhon Robin Yee, Angel T. Bautista, Preciosa Corazon B. Pabroa, Rey Y. Capangpangan

“…Abstract Long-term trends of atmospheric pollutants, particularly ozone (O3) and particulate matter (PM) provide a direct evaluation of the response of the atmosphere to the environmental policies and the variability of anthropogenic and biogenic emissions. Here, we report the assessment of the temporal evolution of the air quality in a tropical urban city (Butuan) in the southern Philippines by evaluating the trends of meteorological conditions (i.e., temperature, R.H., boundary layer height), air pollutants (i.e., PM2.5, NO2, O3) and their precursors (Benzene, Toluene, and Xylene) from 2014 to 2020. …”
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In vitro modeling of feline gut fermentation: a comprehensive analysis of fecal microbiota and metabolic activity by Qianle Ren, Qianle Ren, Yuling Li, Mingmei Duan, Jinjun Li, Fangshu Shi, Yun Zhou, Wanjing Hu, Junfu Mao, Xiaoqiong Li

“…Additionally, substrates with a high carbon-to-nitrogen ratio promote the production of more SCFAs and biogenic amines, and enrich the Bacteroidaceae family, even when the total substrate amount is lower. …”
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Influence of quartz types on mechanical parameters in the early silurian Longmaxi shale, Sichuan Basin by Qin Zhang, Feng Liang, Qun Zhao, Wen Liu, Weiliang Kong, Wanli Gao, Xinyu Zhang, Guangyin Cai, Tianquan Qu, Zhen Qiu

“…Abstract Quartz is one of the most abundant minerals in shales, occurring predominantly in three forms: biogenic quartz (BQ), detrital quartz (DQ) and clay-transformed quartz (CTQ). …”
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Constraining the Geochemical Fingerprints of Gases from the UK Carboniferous Coal Measures at the Glasgow Geoenergy Observatories Field Site, Scotland by Rebecca M. Chambers, Gareth Johnson, Adrian J. Boyce, Stuart M. V. Gilfillan

“…Stable isotope compositions of CH4 (δ13CCH4 = −73.4‰ to −14.3‰; δ13CCO2 = −29‰ to −6.1‰; δDCH4 = −277‰ to −88‰) provide evidence of a biogenic source, with carbonate reduction being the primary pathway of CH4 production. …”
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RETRACTED ARTICLE: Synthesis of silver nanoparticles using Plantago lanceolata extract and assessing their antibacterial and antioxidant activities by Muhammad Zahir Shah, Zheng-Hui Guan, Ala Ud Din, Amjad Ali, Ata Ur Rehman, Kashif Jan, Shah Faisal, Shah Saud, Muhammad Adnan, Fazli Wahid, Saud Alamri, Manzer H. Siddiqui, Shamsher Ali, Wajid Nasim, Hafiz Mohkum Hammad, Shah Fahad

“…NPs showed efficient activity as compared to ACE, and finally, the bacterial growth was impaired by biogenic NPs. The lethal dose (LD50) of Ag. NPs against Agrobacterium tumefaciens, Proteus vulgaris, Staphylococcus aureus, and Escherichia coli were 45.66%, 139.71%, 332.87%, and 45.54%, with IC50 (08.02 ± 0.68), (55.78 ± 1.01), (12.34 ± 1.35) and (11.68 ± 1.42) respectively, suppressing the growth as compared to ACE. …”
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Structural basis of a microbial trimethylamine transporter by Chao Gao, Hai-Tao Ding, Kang Li, Hai-Yan Cao, Ning Wang, Zeng-Tian Gu, Qing Wang, Mei-Ling Sun, Xiu-Lan Chen, Yin Chen, Yu-Zhong Zhang, Hui-Hui Fu, Chun-Yang Li

“…ABSTRACT Trimethylamine (TMA), a simple trace biogenic amine resulting from the decomposition of proteins and other macromolecules, is ubiquitous in nature. …”
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Identification of a novel heterozygous GPD1 missense variant in a Chinese adult patient with recurrent HTG-AP consuming a high-fat diet and heavy smoking by Xiao-Yao Li, Bei-Yuan Zhang, Xin-Ran Liang, Yan-Yu Han, Min-Hua Cheng, Mei Wei, Ke Cao, Xian-Cheng Chen, Ming Chen, Jian-Feng Duan, Wen-Kui Yu

“…In vitro, the corresponding plasmid was constructed and transfected into human renal HEK-293T cells, and GPD1 protein levels were detected. A biogenic analysis was performed to study the population frequency, conservation, and electric potential diagram of the new variant p.K327N. …”
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Urban ozone formation and sensitivities to volatile chemical products, cooking emissions, and NO_<i>x</i> upwind of and within two Los Angeles Basin cities by C. E. Stockwell, M. M. Coggon, R. H. Schwantes, C. Harkins, C. Harkins, B. Verreyken, B. Verreyken, B. Verreyken, C. Lyu, C. Lyu, Q. Zhu, Q. Zhu, Q. Zhu, L. Xu, L. Xu, L. Xu, J. B. Gilman, A. Lamplugh, A. Lamplugh, A. Lamplugh, J. Peischl, J. Peischl, J. Peischl, M. A. Robinson, M. A. Robinson, P. R. Veres, P. R. Veres, M. Li, M. Li, A. W. Rollins, K. Zuraski, K. Zuraski, S. Baidar, S. Baidar, S. Liu, T. Kuwayama, S. S. Brown, B. C. McDonald, C. Warneke

“…VOC sensitivity analyses show that anthropogenic VOCs (AVOC) enhance the mean daily maximum 8 h average ozone in Pasadena by 13 ppb, whereas biogenic VOCs (BVOCs) contribute 9.4 ppb. Of the ozone influenced by AVOCs, VCPs represent the largest fraction at 45 %, while cooking and fossil fuel VOCs are comparable at 26 % and 29 %, respectively. …”
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Significant role of biomass burning in heavy haze formation in Nanjing, a megacity in China: molecular-level insights from intensive PM_2.5 sampling on winter hazy days by M. Kang, M. Kang, M. Bao, M. Bao, M. Bao, W. Song, W. Song, A. Abulimiti, A. Abulimiti, C. Wu, C. Wu, F. Cao, F. Cao, S. Szidat, Y. Zhang, Y. Zhang

“…For secondary sources, naphthalene-derived secondary organic carbon (SOC) contributed more to OC in PM<span class="inline-formula">_2.5</span> (0.27 %–2.46 %) compared to biogenic SOC (0.05 %–1.10 %), suggesting anthropogenic volatile organic compounds (VOCs), such as those from fossil fuel and biomass combustion, play a major role in SOC formation in urban aerosols during winter. …”
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To what extent does the CO₂ diurnal cycle impact flux estimates derived from global and regional inversions? by S. Munassar, S. Munassar, S. Munassar, C. Rödenbeck, M. Gałkowski, M. Gałkowski, F.-T. Koch, F.-T. Koch, K. U. Totsche, K. U. Totsche, S. Botía, C. Gerbig

“…Our analysis is based on biogenic fluxes of hourly net ecosystem exchange (NEE) obtained from the data-driven FLUXCOM-X estimates, together with global and regional atmospheric transport models. …”
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New particle formation dynamics in the central Andes: contrasting urban and mountaintop environments by D. Aliaga, V. A. Sinclair, R. Krejci, R. Krejci, M. Andrade, M. Andrade, P. Artaxo, L. Blacutt, R. Cai, R. Cai, S. Carbone, Y. Gramlich, L. Heikkinen, L. Heikkinen, L. Heikkinen, D. Heslin-Rees, D. Heslin-Rees, W. Huang, W. Huang, V.-M. Kerminen, A. M. Koenig, A. M. Koenig, M. Kulmala, M. Kulmala, M. Kulmala, P. Laj, P. Laj, V. Mardoñez-Balderrama, V. Mardoñez-Balderrama, C. Mohr, C. Mohr, C. Mohr, I. Moreno, P. Paasonen, W. Scholz, K. Sellegri, L. Ticona, G. Uzu, F. Velarde, A. Wiedensohler, D. Worsnop, D. Worsnop, C. Wu, C. Wu, C. Wu, C. Xuemeng, Q. Zha, F. Bianchi

“…As the day progresses, upslope winds bring in air masses affected by surface emissions from lower altitudes, which may include anthropogenic or biogenic sources. This influence likely develops gradually, eventually creating the right conditions for an NPF event to start. …”
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Reactive nitrogen in and around the northeastern and mid-Atlantic US: sources, sinks, and connections with ozone by M. Huang, M. Huang, G. R. Carmichael, K. W. Bowman, I. De Smedt, A. Colliander, M. H. Cosh, S. V. Kumar, A. B. Guenther, S. J. Janz, R. M. Stauffer, A. M. Thompson, N. M. Fedkin, R. J. Swap, J. D. Bolten, A. T. Joseph

“…It is highlighted that temporal variabilities of Nr and O<span class="inline-formula">₃</span> concentrations and fluxes on subregional to local scales respond to hydrological variability that can be influenced by precipitation and controllable human activities like irrigation. Deposition and biogenic emissions that are highly sensitive to interconnected environmental and plant physiological conditions, plus extra-regional sources (e.g., O<span class="inline-formula">₃</span>-rich stratospheric air and dense wildfire plumes from upwind regions), have been playing increasingly important roles in controlling pollutant budgets as local emissions decline owing to effective emission regulations and COVID lockdowns.…”
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Measurement Report: Changes in ammonia emissions since the 18th century in south-eastern Europe inferred from an Elbrus (Caucasus, Russia) ice-core record by M. Legrand, M. Legrand, M. Vorobyev, D. Bokuchava, S. Kutuzov, S. Kutuzov, A. Plach, A. Stohl, A. Khairedinova, V. Mikhalenko, M. Vinogradova, S. Eckhardt, S. Preunkert

“…Examination of ice deposited prior to 1850 CE, when agricultural activities remained limited, suggests an NH<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M8" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">4</mn><mo>+</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="15pt" class="svg-formula" dspmath="mathimg" md5hash="a9b2fdba183dceff94210c316afa95ef"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-1385-2025-ie00003.svg" width="8pt" height="15pt" src="acp-25-1385-2025-ie00003.png"/></svg:svg></span></span> ice concentration related to natural soil emissions representing <span class="inline-formula">∼</span> 20 % of the 1980–2009 CE NH<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M10" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">4</mn><mo>+</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="15pt" class="svg-formula" dspmath="mathimg" md5hash="9837b1bc16c7511343fef307428ed3c8"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-1385-2025-ie00004.svg" width="8pt" height="15pt" src="acp-25-1385-2025-ie00004.png"/></svg:svg></span></span> level, a level mainly related to current agricultural emissions that almost completely outweigh biogenic emissions from natural soil. These findings on historical NH<span class="inline-formula">₃</span> emission trends represent a significant contribution to the understanding of ammonia emissions in Europe over the last 250 years.…”
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