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Hormetic Effect of Pyroligneous Acids on Conjugative Transfer of Plasmid-mediated Multi-antibiotic Resistance Genes within Bacterial Genus 热解酸对细菌属内质粒介导的多重耐药基因共轭转移的激效作用
Q2 Environmental Science Pub Date : 2022-12-22 DOI: 10.1021/acsenvironau.2c00056
Mengying Shao, Liuqingqing Liu, Bingjie Liu, Hao Zheng*, Wei Meng, Yifan Liu, Xiao Zhang, Xiaohan Ma, Cuizhu Sun, Xianxiang Luo, Fengmin Li and Baoshan Xing*, 

Spread of antibiotic resistance genes (ARGs) by conjugation poses great challenges to public health. Application of pyroligneous acids (PA) as soil amendments has been evidenced as a practical strategy to remediate pollution of ARGs in soils. However, little is known about PA effects on horizontal gene transfer (HGT) of ARGs by conjugation. This study investigated the effects of a woody waste-derived PA prepared at 450°C and its three distillation components (F1, F2, and F3) at different temperatures (98, 130, and 220°C) on conjugative transfer of plasmid RP4 within Escherichia coli. PA at relatively high amount (40–100 μL) in a 30-mL mating system inhibited conjugation by 74–85%, following an order of PA > F3 ≈ F2 ≈ F1, proving the hypothesis that PA amendments may mitigate soil ARG pollution by inhibiting HGT. The bacteriostasis caused by antibacterial components of PA, including acids, phenols, and alcohols, as well as its acidity (pH 2.81) contributed to the inhibited conjugation. However, a relatively low amount (10–20 μL) of PA in the same mating system enhanced ARG transfer by 26–47%, following an order of PA > F3 ≈ F2 > F1. The opposite effect at low amount is mainly attributed to the increased intracellular reactive oxygen species production, enhanced cell membrane permeability, increased extracellular polymeric substance contents, and reduced cell surface charge. Our findings highlight the hormesis (low-amount promotion and high-amount inhibition) of PA amendments on ARG conjugation and provide evidence for selecting an appropriate amount of PA amendment to control the dissemination of soil ARGs. Moreover, the promoted conjugation also triggers questions regarding the potential risks of soil amendments (e.g., PA) in the spread of ARGs via HGT.

抗生素抗性基因(ARGs)的结合传播给公众健康带来了巨大挑战。焦木酸(PA)作为土壤改良剂的应用已被证明是修复土壤中ARGs污染的一种实用策略。然而,人们对PA通过偶联对ARGs水平基因转移(HGT)的影响知之甚少。本研究研究了在450°C下制备的木质废弃物衍生PA及其三种蒸馏组分(F1、F2和F3)在不同温度(98、130和220°C)下对质粒RP4在大肠杆菌内偶联转移的影响。在30 mL交配系统中,相对较高量(40–100μL)的PA抑制接合74–85%,遵循PA>;F3≈F2≈F1,证明了PA改良剂可以通过抑制HGT来减轻土壤ARG污染的假说。PA的抗菌成分,包括酸、酚和醇,以及其酸度(pH 2.81)引起的抑菌作用有助于抑制结合。然而,在同一交配系统中,相对较低量(10–20μL)的PA使ARG转移增强了26–47%,遵循PA>;F3≈F2>;F1.在低量下的相反作用主要归因于细胞内活性氧产生的增加、细胞膜通透性的增强、细胞外聚合物含量的增加和细胞表面电荷的减少。我们的研究结果强调了PA改良剂对ARG结合的刺激作用(低量促进和高量抑制),并为选择适量的PA改良剂来控制土壤ARG的传播提供了证据。此外,促进的结合还引发了关于土壤改良剂(如PA)通过HGT传播ARGs的潜在风险的问题。
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引用次数: 3
Reconciling Methane Emission Measurements for Offshore Oil and Gas Platforms with Detailed Emission Inventories: Accounting for Emission Intermittency 调和海上石油和天然气平台的甲烷排放测量与详细的排放清单:核算排放间歇性
Q2 Environmental Science Pub Date : 2022-12-05 DOI: 10.1021/acsenvironau.2c00041
Zhichao Chen, Tara I. Yacovitch, Conner Daube, Scott C. Herndon, Darcy Wilson, Stacie Enoch and David T. Allen*, 

Comparisons of observation-based emission estimates with emission inventories for oil and gas production operations have demonstrated that intermittency in emissions is an important factor to be accounted for in reconciling inventories with observations. Most emission inventories do not directly report data on durations of active emissions, and the variability in emissions over time must be inferred from other measurements or engineering calculations. This work examines a unique emission inventory, assembled for offshore oil and gas production platforms in federal waters of the Outer Continental Shelf (OCS) of the United States, which reports production-related sources on individual platforms, along with estimates of emission duration for individual sources. Platform specific emission rates, derived from the inventory, were compared to shipboard measurements made at 72 platforms. The reconciliation demonstrates that emission duration reporting, by source, can lead to predicted ranges in emissions that are much broader than those based on annual average emission rates. For platforms in federal waters, total emissions reported in the inventory for the matched platforms were within ∼10% of emissions estimated based on observations, depending on emission rates assumed for nondetects in the observational data set. The distributions of emissions were similar, with 75% of platform total emission rates falling between 0 and 49 kg/h for the observations and between 0.59 and 54 kg/h for the inventory.

将基于观测的排放估计数与石油和天然气生产作业的排放清单进行比较表明,排放的间歇性是核对清单与观测值时需要考虑的一个重要因素。大多数排放清单没有直接报告活动排放持续时间的数据,排放量随时间的变化必须从其他测量或工程计算中推断出来。这项工作审查了一份独特的排放清单,该清单是为美国外大陆架联邦水域的海上石油和天然气生产平台编制的,报告了各个平台上的生产相关来源,以及对各个来源的排放持续时间的估计。根据清单得出的平台比排放率与72个平台的船上测量值进行了比较。对账表明,按来源进行的排放持续时间报告可以导致预测的排放范围比基于年平均排放率的排放范围宽得多。对于联邦水域内的平台,匹配平台清单中报告的总排放量在基于观测估计的排放量的~10%以内,这取决于观测数据集中非探测假设的排放率。排放量的分布相似,75%的平台总排放率在0至49 kg/h之间,在0.59至54 kg/h之间。
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引用次数: 2
Template for Evaluating Cradle-to-Site Environmental Life Cycle Impacts of Buildings in India 印度建筑从摇篮到现场的环境生命周期影响评估模板
Q2 Environmental Science Pub Date : 2022-11-29 DOI: 10.1021/acsenvironau.2c00035
Abhishek Chaudhary*,  and , Amaan Akhtar, 
A massive amount of building construction is expected in economically developing nations such as India over the next few years. The first step in ensuring that the new construction takes place in a sustainable manner is the knowledge about the building’s impact on multiple environmental domains. Life cycle assessment (LCA) is a promising tool for this, but its application in the Indian construction sector is hampered by a lack of access to detailed inventory data on amounts of all building materials used and the per unit environmental footprints of individual materials (characterization factors). Here, we overcome these limitations by proposing a novel approach that connects the building bill of quantity data with publicly available analysis of rate documents to obtain the detailed material inventory. The approach then combines the material inventory data with the newly available India-specific environmental footprint database of construction materials to calculate the impacts of a building during its different life cycle stages (cradle to site). We demonstrate the new approach through a case study of a residential building within a hospital in North-East India and quantify its environmental footprint on six domains of the environment: energy use, global warming, ozone depletion, acidification, eutrophication, and photochemical oxidant formation potential. Results show that out of 78 materials used, bricks, aluminum sections, steel bars, and cement are the major contributors to the building’s total environmental impact. The material manufacturing stage is the hotspot in the building’s life cycle. Our approach can act as a template for conducting “cradle-to-site” LCA of buildings for which BOQ data becomes available in India and other countries in the future.
未来几年,印度等经济发展中国家预计将进行大量的建筑施工。确保新建筑以可持续的方式进行的第一步是了解建筑对多个环境领域的影响。生命周期评估(LCA)是一种很有前途的工具,但由于无法获得有关所有建筑材料使用量和单个材料的单位环境足迹(特征因子)的详细库存数据,它在印度建筑行业的应用受到了阻碍。在这里,我们通过提出一种新的方法来克服这些限制,该方法将建筑工程量清单数据与公开的费率文件分析联系起来,以获得详细的材料库存。然后,该方法将材料库存数据与新提供的印度特定建筑材料环境足迹数据库相结合,以计算建筑在不同生命周期阶段(从摇篮到现场)的影响。我们通过对印度东北部一家医院内的住宅楼的案例研究,展示了这一新方法,并量化了其对环境六个领域的环境足迹:能源使用、全球变暖、臭氧消耗、酸化、富营养化和光化学氧化剂形成潜力。结果表明,在使用的78种材料中,砖、铝型材、钢筋和水泥是对建筑总环境影响的主要贡献者。材料制造阶段是建筑生命周期中的热点。我们的方法可以作为对印度和其他国家未来可获得BOQ数据的建筑进行“从摇篮到现场”LCA的模板。
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引用次数: 0
Sustainable Development: 30 Years Since the Rio de Janeiro Earth Summit 可持续发展:里约热内卢地球峰会30周年
Q2 Environmental Science Pub Date : 2022-11-16 DOI: 10.1021/acsenvironau.2c00065
Yi Jiang*,  and , Xiangdong Li*, 
T year marks the 30th anniversary of Sustainable Development being institutionalized at the United Nations Conference on Environment and Development (also commonly called the Rio de Janeiro “Earth Summit”) in 1992. The adoption of the 2030 Agenda for Sustainable Development in 2015 further laid out a concrete plan to achieve the 17 interlinked Sustainable Development Goals (SDGs) by 2030. These SDGs include poverty alleviation, clean water, human health, climate change, and sustainable energy, and are collectively regarded as “a shared blueprint for peace and prosperity for people and the planet, now and into the future.” Sustainability is gradually being integrated into every aspect of our society. A recent example is the emergence of environmental, social, and governance (ESG), which is now impacting the operation of major corporations worldwide. Yet, despite recent advances, we cannot ignore the fact that massive efforts are required to meet the SDGs by 2030. For instance, among many striking statistics is the fact that the proportion of the global population using safely managed drinking water services only increased from 70 to 74% between 2015 and 2020. The rate of progress would need to grow 4-fold to reach universal coverage by 2030. Now more than ever, we require concerted efforts on financing, technology dissemination, capacity building, and international collaboration. Science and innovation play a pivotal role in facilitating advances, and open access to key research results accelerates our progress. In this issue of ACS Environmental Au, we are pleased to present a collection of six publications that contribute to advancing our progress toward some of the key SDGs. We have categorized them based on the SDG that each publication is most relevant to.
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引用次数: 1
Binding Between Antibiotics and Polystyrene Nanoparticles Examined by NMR 核磁共振研究抗生素与聚苯乙烯纳米颗粒的结合
Q2 Environmental Science Pub Date : 2022-10-24 DOI: 10.1021/acsenvironau.2c00047
Saduni S. Arachchi, Stephanie P. Palma, Charlotte I. Sanders, Hui Xu, Rajshree Ghosh Biswas, Ronald Soong, André J. Simpson and Leah B. Casabianca*, 

Elucidating the interactions between plastic nanoparticles and small molecules is important to understanding these interactions as they occur in polluted waterways. For example, plastic that breaks down into micro- and nanoscale particles will interact with small molecule pollutants that are also present in contaminated waters. Other components of natural water, such as dissolved organic matter, will also influence these interactions. Here we use a collection of complementary NMR techniques to examine the binding between polystyrene nanoparticles and three common antibiotics, belonging to a class of molecules that are expected to be common in polluted water. Through examination of proton NMR signal intensity, relaxation times, saturation-transfer difference (STD) NMR, and competition STD-NMR, we find that the antibiotics have binding strengths in the order amoxicillin < metronidazole ≪ levofloxacin. Levofloxacin is able to compete for binding sites, preventing the other two antibiotics from binding. The presence of tannic acid disrupts the binding between levofloxacin and the polystyrene nanoparticles, but does not influence the binding between metronidazole and these nanoparticles.

阐明塑料纳米颗粒和小分子之间的相互作用对于理解这些相互作用非常重要,因为它们发生在受污染的水道中。例如,分解成微米级和纳米级颗粒的塑料将与污染水中的小分子污染物相互作用。天然水的其他成分,如溶解的有机物,也会影响这些相互作用。在这里,我们使用一组互补的NMR技术来检测聚苯乙烯纳米颗粒和三种常见抗生素之间的结合,这三种抗生素属于一类预计在污染水中常见的分子。通过质子NMR信号强度、弛豫时间、饱和转移差(STD)NMR和竞争性STD-NMR的检测,我们发现抗生素具有阿莫西林<;甲硝唑左氧氟沙星。左氧氟沙星能够竞争结合位点,阻止其他两种抗生素结合。单宁酸的存在破坏了左氧氟沙星和聚苯乙烯纳米颗粒之间的结合,但不影响甲硝唑和这些纳米颗粒的结合。
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引用次数: 0
The Lack of HONO Measurement May Affect the Accurate Diagnosis of Ozone Production Sensitivity 缺乏HONO测量可能会影响臭氧产生敏感性的准确诊断
Q2 Environmental Science Pub Date : 2022-10-13 DOI: 10.1021/acsenvironau.2c00048
Pengfei Liu, Chaoyang Xue, Can Ye, Chengtang Liu, Chenglong Zhang, Jinhe Wang, Yuanyuan Zhang, Junfeng Liu and Yujing Mu*, 

Recently, deteriorating ozone (O3) pollution in China brought the precise diagnosis of O3 sensitive chemistry to the forefront. As a dominant precursor of OH radicals, atmospheric nitrous acid (HONO) plays an important role in O3 production. However, its measurement unavailability in many regions especially for second- and third-tier cities may lead to the misjudgment of the O3 sensitivity regime derived from observation-based models. Here, we systematically assess the potential impact of HONO on diagnosing the sensitivity of O3 production using a 0-dimension box model based on a comprehensive summer urban field campaign. The results indicated that the default mode (only the NO + OH reaction is included) in the model could underestimate ∼87% of observed HONO levels, leading to an obvious decrease (∼19%) of net O3 production in the morning, which was in line with the previous studies. The unconstrained HONO in the model was found to significantly push O3 production toward the VOC-sensitive regime. Additionally, it is unrealistic to change NOx but constrain HONO in the model due to the dependence of HONO formation on NOx. Assuming that HONO varied proportionally with NOx, a stronger NOx-sensitive condition could be achieved. Therefore, effective reduction of NOx should be given more attention together with VOC emission control for O3 mitigation.

近年来,随着我国臭氧(O3)污染的加剧,对O3敏感化学的精确诊断成为热点。大气亚硝酸(HONO)作为OH自由基的主要前体,在O3的生产中起着重要作用。然而,在许多地区,尤其是二三线城市,其测量不可用,可能会导致对基于观测的模型得出的O3灵敏度状况的误判。在这里,我们使用基于夏季城市综合实地调查的0维箱模型,系统地评估了HONO对诊断O3生产敏感性的潜在影响。结果表明,模型中的默认模式(仅包括NO+OH反应)可能低估了观测到的HONO水平的~87%,导致早晨净O3产量明显下降(~19%),这与之前的研究一致。发现模型中无约束的HONO显著地将O3的产生推向VOC敏感状态。此外,由于HONO的形成依赖于NOx,在模型中改变NOx但约束HONO是不现实的。假设HONO与NOx成比例变化,则可以实现更强的NOx敏感条件。因此,应在控制VOC排放的同时,更加重视有效减少NOx,以缓解O3。
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引用次数: 5
Black Carbon-Amended Engineered Media Filters for Improved Treatment of Stormwater Runoff 改进雨水径流处理的黑碳修正工程介质过滤器
Q2 Environmental Science Pub Date : 2022-09-28 DOI: 10.1021/acsenvironau.2c00037
James Conrad Pritchard, Kathleen Mills Hawkins, Yeo-Myoung Cho, Stephanie Spahr, Scott D. Struck, Christopher P. Higgins and Richard G. Luthy*, 

Urban stormwater runoff is a significant driver of surface water quality impairment. Recently, attention has been drawn to potential beneficial use of urban stormwater runoff, including augmenting drinking water supply in water-stressed areas. However, beneficial use relies on improved treatment of stormwater runoff to remove mobile dissolved metals and trace organic contaminants (TrOCs). This study assesses six engineered media mixtures consisting of sand, zeolite, high-temperature gasification biochar, and regenerated activated carbon (RAC) for removing a suite of co-contaminants comprising five metals, three herbicides, four pesticides, a corrosion inhibitor, six per- and polyfluoroalkyl substances (PFASs), five polychlorinated biphenyls (PCBs), and six polycyclic aromatic hydrocarbons (PAHs). This long-term laboratory-scale column study uses a novel approach to generate reproducible synthetic stormwater that incorporates catch basin material and straw-derived dissolved organic carbon. Higher flow conditions (20 cm hr–1), larger sized media (0.42–1.68 mm), and downflow configuration with outlet control increase the relevance of this study to better enable implementation in the field. Biochar- and RAC-amended engineered media filters removed nearly all of the TrOCs in the effluent over the course of three months of continuous flow (480 empty bed volumes), while sample ports spaced at 25% and 50% along the column depth provide windows to observe contaminant transport. Biochar provided greater benefit to TrOC removal than RAC on a mass basis. This study used relatively high concentrations of contaminants and low biochar and RAC content to observe contaminant transport. Performance in the field is likely to be significantly better with higher biochar- and RAC-content filters and lower ambient stormwater contaminant concentrations. This study provides proof-of-concept for biochar- and RAC-amended engineered media filters operated at a flow rate of 20 cm hr–1 for removing dissolved TrOCs and metals and offers insights on the performance of biochar and RAC for improved stormwater treatment and field trials.

城市雨水径流是地表水水质受损的重要驱动因素。最近,人们开始关注城市雨水径流的潜在有益利用,包括增加缺水地区的饮用水供应。然而,有益的用途依赖于改善雨水径流的处理,以去除可移动的溶解金属和微量有机污染物(TrOC)。本研究评估了由沙子、沸石、高温气化生物炭和再生活性炭(RAC)组成的六种工程介质混合物,用于去除一系列共污染物,包括五种金属、三种除草剂、四种杀虫剂、一种缓蚀剂、六种全氟烷基和多氟烷基物质(PFAS)、五种多氯联苯,以及六种多环芳烃。这项长期实验室规模的柱状研究使用了一种新的方法来产生可再生的合成雨水,该方法结合了集水池材料和秸秆衍生的溶解有机碳。更高的流量条件(20 cm hr–1)、更大尺寸的介质(0.42–1.68 mm)以及带有出口控制的下流配置增加了本研究的相关性,从而更好地在现场实施。生物炭和RAC改良的工程介质过滤器在三个月的连续流动过程中(480个空床体积)去除了流出物中几乎所有的TrOC,而沿柱深度间隔25%和50%的样品端口提供了观察污染物迁移的窗口。在质量基础上,生物炭比RAC对去除TrOC提供了更大的益处。这项研究使用相对较高浓度的污染物和较低的生物炭和RAC含量来观察污染物的迁移。生物炭和RAC含量越高,环境雨水污染物浓度越低,现场性能可能会明显更好。本研究为以20 cm hr-1的流速运行的生物炭和RAC改良工程介质过滤器提供了概念验证,用于去除溶解的TrOC和金属,并深入了解了生物炭和可再生能源委员会在改善雨水处理和现场试验方面的性能。
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引用次数: 1
Comprehensive Multi-compartment Sampling for Quantification of Long-Term Accumulation of PAHs in Soils 土壤中多环芳烃长期积累的综合多室取样定量研究
Q2 Environmental Science Pub Date : 2022-09-27 DOI: 10.1021/acsenvironau.2c00015
Jana Meierdierks*, Christiane Zarfl, Barbara Beckingham and Peter Grathwohl*, 

Long-term accumulation in the soils of ubiquitous organic pollutants such as many polycyclic aromatic hydrocarbons (PAHs) depends on deposition from the atmosphere, revolatilization, leaching, and degradation processes such as photolysis and biodegradation. Quantifying the phase distribution and fluxes of these compounds across environmental compartments is thus crucial to understand the long-term contaminant fate. The gas-phase exchange between soil and atmosphere follows chemical fugacity gradients that can be approximated by gas-phase concentrations, yet which are difficult to measure directly. Thus, passive sampling, measured sorption isotherms, or empirical relationships to estimate sorption distribution have been combined in this study to determine aqueous (or gas) phase concentrations from measured bulk concentrations in soil solids. All these methods have their strengths and weaknesses but agree within 1 order of magnitude except for ex situ passive samplers employed in soil slurries, which estimated much lower concentrations in soil water and gas likely due to experimental artifacts. In field measurements, PAH concentrations determined in the atmosphere show a pronounced seasonality with some revolatilization during summer and gaseous deposition during winter, but overall dry deposition dominates annual mean fluxes. The characteristic patterns of PAHs in the different phases (gas phase, atmospheric passive samplers, bulk deposition, and soil solids) confirm the expected compound-specific distribution pattern and behavior. Since revolatilization fluxes in summer are only minor and wet and dry deposition is ongoing, our results clearly show that the PAH loads in topsoils will continue to increase.

土壤中无所不在的有机污染物如多环芳烃(PAHs)的长期积累依赖于来自大气的沉积、旋化、淋滤以及光解和生物降解等降解过程。因此,量化这些化合物在环境隔间中的相分布和通量对于了解污染物的长期命运至关重要。土壤和大气之间的气相交换遵循化学逸度梯度,这种逸度梯度可以用气相浓度近似表示,但难以直接测量。因此,在本研究中,被动采样、测量的吸附等温线或经验关系被结合起来估计吸附分布,以确定土壤固体中测量的体积浓度的水相(或气相)浓度。所有这些方法都有各自的优点和缺点,但除了在土壤浆液中使用的非原位被动采样器外,它们在土壤水和气体中估计的浓度要低得多,这可能是由于实验伪像。在野外测量中,大气中确定的多环芳烃浓度显示出明显的季节性,夏季有一些旋转,冬季有气体沉积,但总体上干沉积主导年平均通量。多环芳烃在不同阶段(气相、大气被动采样、整体沉积和土壤固体)的特征模式证实了预期的化合物特定分布模式和行为。由于夏季的旋转通量很小,干湿沉积正在进行,我们的研究结果清楚地表明表层土壤中的多环芳烃负荷将继续增加。
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引用次数: 1
Higher Particulate Matter Deposition in Alveolar Region Could Accelerate Body Fat Accumulation in Obstructive Sleep Apnea 阻塞性睡眠呼吸暂停患者肺泡区高颗粒物沉积可加速体脂堆积
Q2 Environmental Science Pub Date : 2022-09-23 DOI: 10.1021/acsenvironau.2c00034
Nguyen Thanh Tung, Shang-Yang Lin, Wen-Te Liu, Yi-Chun Kuan, Chih-Da Wu, Huynh Nguyen Xuan Thao, Hoang Ba Dung, Tran Phan Chung Thuy and Hsiao-Chi Chuang*, 

We conducted a cross-sectional study to investigate associations of particulate matter (PM) of less than 2.5 μm in aerodynamic diameter (PM2.5) and PM deposition with nocturnal changes in body composition in obstructive sleep apnea (OSA) patients. A bioelectric impedance analysis was used to measure the pre- and postsleep body composition of 185 OSA patients. Annual exposure to PM2.5 was estimated by the hybrid kriging/land-use regression model. A multiple-path particle dosimetry model was employed to estimate PM deposition in lung regions. We observed that an increase in the interquartile range (IQR) (1 μg/m3) of PM2.5 was associated with a 20.1% increase in right arm fat percentage and a 0.012 kg increase in right arm fat mass in OSA (p < 0.05). We observed that a 1 μg/m3 increase in PM deposition in lung regions (i.e., total lung region, head and nasal region, tracheobronchial region, and alveolar region) was associated with increases in changes of fat percentage and fat mass of the right arm (β coefficient) (p < 0.05). The β coefficients decreased as follows: alveolar region > head and nasal region > tracheobronchial region > total lung region (p < 0.05). Our findings demonstrated that an increase in PM deposition in lung regions, especially in the alveolar region, could be associated with nocturnal changes in the fat percentage and fat mass of the right arm. PM deposition in the alveolar region could accelerate the body fat accumulation in OSA.

我们进行了一项横断面研究,以调查空气动力学直径小于2.5μm的颗粒物(PM)和PM沉积与阻塞性睡眠呼吸暂停(OSA)患者夜间身体成分变化的关系。生物电阻抗分析用于测量185名OSA患者睡眠前和睡眠后的身体成分。PM2.5的年暴露量通过混合克里格/土地利用回归模型进行估算。采用多路径粒子剂量测定模型来估计肺部PM沉积。我们观察到PM2.5四分位间距(IQR)(1μg/m3)的增加与OSA右臂脂肪百分比增加20.1%和右臂脂肪量增加0.012kg有关(p<0.05)右臂脂肪百分比和脂肪质量变化的增加(β系数)(p<0.05);头部和鼻腔区域>;气管支气管区域>;总肺区(p<0.05)。我们的研究结果表明,肺区,特别是肺泡区PM沉积的增加可能与右臂脂肪百分比和脂肪质量的夜间变化有关。肺泡区PM沉积可加速OSA患者体内脂肪的积累。
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引用次数: 0
ACS Environmental Au─How to Improve the Reach of Your Open Access Research ACS环境Au─如何提高开放获取研究的覆盖面
Q2 Environmental Science Pub Date : 2022-09-21 DOI: 10.1021/acsenvironau.2c00052
Antonia Praetorius,  and , Ian T. Cousins*, 
A the summer nears its end in the northern hemisphere, we are pleased to publish the latest issue of ACS Environmental Au. In this Editorial, Ian Cousins, one of ACS Environmental Au’s Associate Editors, provides some useful tips for authors who want to improve the visibility and reach of their published work, while Antonia Praetorius, a member of the Editorial Advisory Board of ACS Environmental Au, summarizes the eight articles published in this issue. ■ IMPROVING THE REACH OF YOUR PUBLISHED ARTICLE
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引用次数: 0
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ACS Environmental Au
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