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3D Fluorescence Characterization of Synthetic Organic Dyes

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American Journal of Analytical Chemistry 2012年第9期3卷 622-631页

作者： Leonard J. Soltzberg Sandy Lor Nnennaya Okey-Igwe richard newman Department of Chemistry & Physics Simmons College Boston USA Scientific Research Lab Boston Museum of Fine Arts Boston USA

The identification of dyes is important in research on museum artefacts as well as in forensic applications. UV-visible absorption spectroscopy cannot unambiguously distinguish dyes with similar hues, while mass spectrometry may fail to distinguish isobaric dyes. The detailed patterns produced by 3D fluorescence spectroscopy appear to be virtually unique, even among dyes that are closely related positional isomers. We report these patterns for 65 dyes from the Schweppe Library of Synthetic Organic Dyes as well as measurements suggesting both the capabilities and limitations of this method.

关键词： Fluorescence Spectrophotometry Dye Analysis MALDI-TOF Mass Spectrometry

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富氮气调--磷化氢的可供替换技术

粮油食品科技 2024年第3期32卷 55-68页

作者： Manjree AGARWAL James newman Yan-yu LI Li GU Bei-bei LI Yong-lin REN 李燕羽(译) 西澳大利亚政府化学中心澳大利亚珀斯WA 6102 CBH澳大利亚谷物有限公司澳大利亚珀斯WA 6000 默多克大学环境和生命科学学院澳大利亚珀斯WA 6150 国家粮食和物资储备局科学研究院粮食储运研究所北京100037 国家粮食和物资储备局科学研究院粮食储运研究所

在粮食储藏上利用氮气的方法已经有30多年的历史,但直到最近经济有效的变压吸附(PSA)和膜分离(MS)制氮设备的出现,才使得该技术在储粮上使用成为可能。本研究首先在25、30和35℃、99%、98%和97%氮气的环境下,对小麦、大麦、燕麦、羽扇... 详细信息

在粮食储藏上利用氮气的方法已经有30多年的历史,但直到最近经济有效的变压吸附(PSA)和膜分离(MS)制氮设备的出现,才使得该技术在储粮上使用成为可能。本研究首先在25、30和35℃、99%、98%和97%氮气的环境下,对小麦、大麦、燕麦、羽扇豆和油菜籽中的花斑皮蠹、赤拟谷盗、谷蠹和米象成虫和非成虫虫态进行了为期4、3和2周的实验室生物测定。然后在终端用户LakeGrace和CBH(Cooperative BulkHandling)谷物进出口公司Albany出口港码头开展实仓验证,测定小麦、大麦和油菜籽中不同储粮害虫虫种和油菜籽瓢虫和肖叶甲类两种田间害虫的防治效果。同时对处理后的粮食品质进行了测定。实验结果表明,害虫死亡率随着氧气浓度降低、暴露时间和温度的增加而增加,富氮低氧在低温条件下不能100%致死花斑皮蠹幼虫。氮气处理对磷化氢抗性和敏感品系储粮害虫防治效果没有差异。与其他粮种相比,在油菜籽中的防治效果更好。各种粮种的水分含量、蛋白质、含油量、淀粉和籽粒颜色品质指标均未受到影响。成功开发了富氮低氧商业规模应用模式,为磷化氢高抗性害虫治理提供了解决方案,满足市场日益增长对无害虫和无化学残留粮食的需求。

关键词：气调储藏害虫治理磷化氢抗药性粮食品质应用模式

富氮低氧+磷化氢防治储粮害虫技术的实仓应用研究

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粮油食品科技 2024年第3期32卷 39-54页

作者： Manjree AGARWAL James newman Yan-yu LI Li GU Bei-bei LI Sucharita BASAVARAJAPP Yong-lin REN 李燕羽(译) 西澳大利亚州政府化学中心澳大利亚珀斯WA 6102 CBH澳大利亚谷物有限公司澳大利亚珀斯WA 6000 默多克大学环境和生命科学学院澳大利亚珀斯WA 6150 国家粮食和物资储备局科学研究院粮食储运研究所北京100037 国家粮食和物资储备局科学研究院粮食储运研究所

为防治澳大利亚主要仓储害虫,开发富氮气调技术作为熏蒸剂的辅助手段。然而,由于成本问题,一直影响其在行业推广应用。本研究利用中国长顺安达公司的先进膜分离技术,与传统的制氮技术(变压吸附/PSA)进行性能比较,在西澳Kwinana的CBH粮食... 详细信息

为防治澳大利亚主要仓储害虫,开发富氮气调技术作为熏蒸剂的辅助手段。然而,由于成本问题,一直影响其在行业推广应用。本研究利用中国长顺安达公司的先进膜分离技术,与传统的制氮技术(变压吸附/PSA)进行性能比较,在西澳Kwinana的CBH粮食港,开展实仓应用实验,以解决阻碍其推广的运营和成本问题。为满足澳大利亚严格的标准操作条件,长顺安达专业团队对港口设备进行了升级改造,目标消杀成本设定为0.50澳元/吨粮(磷化氢的高端熏蒸成本)。研究表明,旧的PSA技术的运营成本为2.43澳元/吨粮,该技术在产生和维持控制害虫所需的99%氮气浓度水平方面也显示出操作局限性。相比之下,使用膜技术制氮的成本为0.99澳元/吨粮,其他性能增益还包括运行4.5天内即可产生所需的氮气浓度,且可维持14天以完全控制害虫。

关键词：粮食储藏储粮害虫管理氮气储藏变压吸附制氮机膜分离制氮机

富氮气调——磷化氢的可供替换技术（中英文）

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粮油食品科技 2024年

作者： Manjree AGARWAL James newman Yan-yu LI Li GU Bei-bei LI Yong-lin REN 西澳化学中心珀斯 CBH澳大利亚谷物有限公司珀斯国家粮食和物资储备局科学研究院粮食储运研究所默多克大学环境与生命科学学院珀斯

在粮食储藏上利用氮气的方法已经有30多年的历史，但直到最近经济有效的变压吸附（PSA）和膜分离（MS）制氮设备的出现，才使得该技术在储粮上使用成为可能。本研究成功开发了商业规模的清洁富氮技术，为磷化氢高抗性害虫治理提供了解... 详细信息

在粮食储藏上利用氮气的方法已经有30多年的历史，但直到最近经济有效的变压吸附（PSA）和膜分离（MS）制氮设备的出现，才使得该技术在储粮上使用成为可能。本研究成功开发了商业规模的清洁富氮技术，为磷化氢高抗性害虫治理提供了解决方案，满足市场日益增长对无害虫和无化学残留粮食的需求。默多克大学收获后植物生物安全实验室开展了富氮应用技术的研究，并与终端用户合作开展实仓验证，如Lake Grace (33°06′00″S 118°27′40″E)农场储存仓和CBH（Cooperative Bulk Handling）谷物进出口公司Albany 出口港码头（35°1′50.90″S 117°53′0.54″E）仓房。

关键词：粮食储藏储粮害虫治理储粮害虫抗药性气调储藏变压吸附制氮机膜分离制氮机

Associations of accelerometry-measured and self-reported physical activity and sedentary behavior with skeletal muscle energetics:The Study of Muscle,Mobility and Aging(SOMMA)

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Journal of Sport and Health Science 2024年第5期13卷 621-630页

作者： Yujia(Susanna)Qiao Terri L.Blackwell Peggy M.Cawthon Paul M.Coen Steven R.Cummings Giovanna Distefano Samaneh Farsijani Daniel E.Forman Bret H.Goodpaster Stephen B.Kritchevsky Theresa Mau Frederico G.S.Toledo Anne B.newman Nancy W.Glynn Department of Epidemiology School of Public HealthUniversity of PittsburghPittsburghPA 15261USA San Francisco Coordinating Center California Pacific Medical Center Research InstituteSan FranciscoCA 94143USA Department of Epidemiology and Biostatistics University of CaliforniaSan FranciscoCA 94143USA Translational Research Institute AdventHealthOrlandoFL 32804USA Department of Medicine(Geriatrics and Cardiology) University of Pittsburghand GeriatricsResearchEducationand Clinical Center(GRECC)VA Pittsburgh Healthcare SystemPittsburghPA 15261USA Department of Internal Medicine Section on Gerontology and Geriatric MedicineWake Forest School of MedicineWinston-SalemNC 27109USA Division of Endocrinology and Metabolism Department of MedicineUniversity of PittsburghPittsburghPA 15261USA

Background:Skeletal muscle energetics decline with age,and physical activity(PA)has been shown to offset these declines in older ***,many studies reporting these effects were based on self-reported PA or structured exercise ***,we examined the associations of accelerometry-measured and self-reported PA and sedentary behavior(SB)with skeletal muscle energetics and explored the extent to which PA and sedentary behavior would attenuate the associations of age with muscle ***:As part of the Study of Muscle,Mobility and Aging,enrolled older adults(n=879),810(age=76.4±5.0 years old,mean±SD;58%women)had maximal muscle oxidative capacity measured ex vivo via high-resolution re spirometry of permeabilized myofibers(maximal oxidative phosphorylation(maxOXPHOS))and in vivo by ^(31)phosphorus magnetic resonance spectroscopy(maximal adenosine triphosphate(ATP_(max))).Accelerometry-measured sedentary behavior,light activity,and moderate-to-vigorous PA(MVPA)were assessed using a wrist-worn ActiGraph GT9X over 7 ***-reported sedentary behavior,MVPA,and all PA were assessed with the Community Healthy Activities Model Program for Seniors(CHAMPS)*** regression models with progressive covariate adjustments evaluated the associations of sedentary behavior and PA with muscle energetics,as well as the attenuation of the age/muscle energetics association by MVP A and sedentary *** a sensitivity analysis,we also examined activPAL-measured daily step count and time spent in sedentary behavior and their associations with muscle ***:Every 30 min/day more of ActiGraph-measured MVPA was associated with 0.65 pmol/(s×mg)higher maxOXPHOS and 0.012 mM/s higher ATP_(max)after adjusting for age,site/technician,and sex(p<0.05).Light activity was not associated with maxOXPHOS or ATP_(max).Meanwhile,every 30 min/day spent in ActiGraph-measured sedentary behavior was associated with 0.39 pmol/s×mg lower maxOXPHOS and0.

关键词： Aging Exercise Mitochondria

Natural products and drug discovery

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National Science Review 2022年第11期9卷 37-57页

作者： David J.newman NIH Special Volunteer

This review covers the recent history of a series of very important natural products and their derivatives that are currently in use or under evaluation in the areas of anti-infectives, important cancer treatments that include antibody drug conjugates, followed by a discussion of type 2 diabetes(T2DM) drugs and angiotensin converting enzyme inhibitors. The current structures of the agents are shown, though in the case of some peptides used in T2DM drugs the standard single leTher abbreviation for an amino acid is used.

关键词： artemisinin glycopeptides anthracyclines dolastatin diabetes 2 ACE inhibitors

A new chelonibiid from the Miocene of Zanzibar (Eastern Africa) sheds light on the evolution of shell architecture in turtle and whale barnacles (Cirripedia: Coronuloidea)

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Integrative Zoology 2022年第1期17卷 24-43页

作者： Alberto COLLARETA William A.newman Giulia BOSIO Giovanni COLETTI Dipartimento di Scienze della Terra Universitàdi PisaPisaItaly Museo di Storia Naturale Universitàdi PisaCalciItaly MBRD Scripps Institution of OceanographyLa JollaCaliforniaUSA Dipartimento di Scienze dell’Ambiente e della Terra Universitàdegli Studi di Milano-BicoccaMilanoItaly

The fossil history of turtle and whale barnacles(Coronuloidea:Chelonibiidae,Platylepadidae,Coronulidae and†Emersoniidae)is fragmentary and has only been investigated in *** inferences and molecular phylogenetic analyses on extant specimens suggest that the roots of whale barnacles(Coronulidae)are to be found among the chelonibiid turtle barnacles,but the hard-part modifications that enabled early coronuloids to attach to the cetacean skin are still largely to be ***,we reappraise a fossil chelonibiid specimen from the Miocene of insular Tanzania that was previously referred to the living species Chelonibia *** largely forgotten specimen is here described as the holotype of the new species†Chelonibia *** similar to ***,†*** exhibits obvious external longitudinal parietal canals occurring in-between external longitudinal parietal septa that abut outwards to form T-shaped flanges,a character so far regarded as proper of the seemingly more derived Coronulidae and *** with these features,the presence of a substrate imprint on the shell exterior indicates that†*** grasped its host’s integument in much the same way as coronulids and platylepadids,albeit without the development of macroscopic parietal buttresses and *** section analyses of the inner parietal architecture of some extant and extinct coronuloids conclusively demonstrate that vestiges of comparable external parietal microstructures are present in some living members of *** observation strengthens the unity of Coronuloidea while significantly contributing to our understanding of the evolution of the coronuloid shell structure in adapting to a diverse spectrum of hosts.

关键词： †Chelonibia zanzibarensis sp.nov. epibiosis evolution functional morphology systematics

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对算术和阅读中的成就与态度的长远预见

心理发展与教育 1987年第1期 64-64页

作者： Harold W.Stevenson richard S.newman 王耘

这项纵向研究的目的在于了解:(1)在幼儿园里所提供的认知任务对儿童的学业成就的预见性;(2)教师和母亲对儿童的一般认知能力和实际成就的评价对于学业态度的预言性。在进入幼儿园以前对儿童进行初试,255名幼儿园儿童被追踪到一、二、三... 详细信息

这项纵向研究的目的在于了解:(1)在幼儿园里所提供的认知任务对儿童的学业成就的预见性;(2)教师和母亲对儿童的一般认知能力和实际成就的评价对于学业态度的预言性。在进入幼儿园以前对儿童进行初试,255名幼儿园儿童被追踪到一、二、三、五、十年级,认知任务中的一个分项目与中学成就分数保持着相关,特别是在阅读方面。十年级儿童的能力的自我概念、成功期望、成功的价值以及对任务难度的认识都表现出性别和学习内容范围的影响。男孩往往偏爱算术,而女孩则更喜欢阅读。儿童的学业态度与母亲对他的早期评价及实际成就分数都有相关,女孩尤为如此。母亲的评价与女孩对算术的态度有正相关。在全部11个年龄时期中都存在着性别差异。

关键词：算术女孩儿童初等数学幼儿园认知任务

Numerical analysis for the prediction of bump prone conditions:A southern Appalachian pillar coal bump case study

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International Journal of Mining Science and Technology 2021年第1期31卷 75-81页

作者： Christopher newman David newman Appalachian Mining&Engineering Inc.LexingtonKY 40503USA

Two miners were fatally injured when a pillar bump occurred during retreat mining in a southern West Virginia coal *** mine was operating in the Eagle seam with overmining in the No.2 Gas and Powellton seams.A coal bump is defined as a sudden and violent failure of coal caused by the release of stored strain energy in the *** significant strides have been made by academia,industry,and regulatory agencies to better understand bump conditions and mitigation techniques,coal bumps represent a long standing,highly site-specific engineering problem in which the exact failure mechanism is not clearly *** this case history,a cut-by-cut analysis of retreat mining operations was conducted on the 4 East Main leading up to the pillar bump *** input parameters were derived from site-specific geologic information and mine geometry for the analysis of pillar stress conditions and energy release using *** overview of stress conditions in the panel was presented including a precursor event that occurred two crosscuts inby the bump *** methodology presented in the paper for the evaluation of the fatal bump event can be used for the identification of bump prone conditions prior to development and retreat of a mining area.

关键词： Bump Burst Coal Energy release rate LaModel Numerical modeling