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Cell Size versus Taxonomic Composition as Determinants of As (III &V) Sensitivity in the Estuarine Diatom Communities

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Journal of Water Resource and Protection 2011年第6期3卷 363-369页

作者： Chumki Chowdhury natasha majumder Sanjay Kumar Mandal Manab Kumar Dutta Raghab Ray Tapan Kumar Jana 不详

Despite scarce studies have analyzed the relative growth inhibition of As (III) and As (V) to diatom, clear pattern of interspecies difference have been shown, identifying cell size as a key property determining the sensitivity of diatom to As. Evidence from cultures suggests that cell size is a key factor in determining the extent of arsenic (III) & (V) stress of diatom, with relatively lesser effects of As (V) than As (III) on small cells. Cent percent growth inhibition was observed for large size group (Coscinodiscus radiatus, Surirella, Amphipleura, Thalassiothrix, Cyclotella and Thalassiosira decipiens) relative to smaller size group (Skeletonema cf. costatum, Navicula rhombica, Amphora hyaline, Nitzschia longissima except Thalassisira. Interspecies differences in As tolerance by diatom in the mangrove ecosystem indicates cell size could be only one factor contributing to these differences. The results show that 81.7% of total arsenic was uptaken from culture media originally amended with arsenic. Looking to the extreme tolerance and arsenic removal efficiency, application of the species with smaller cell size relative to the other tested diatom for bioremediation purpose can be envisaged.

关键词： Diatoms Cell Size Arsenic (III&V) Mangrove

Uncovering the impact of alcohol on internal organs and reproductive health:Exploring TLR4/NF-kB and CYP2E1/ROS/Nrf2 pathways

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Animal Models and Experimental Medicine 2024年第4期7卷 444-459页

作者： Eason Qi Zheng Kong Vetriselvan Subramaniyan natasha Sura Anak Lubau Pharmacology Unit Jeffrey Cheah School of Medicine and Health SciencesMonash University MalaysiaSubang JayaSelangorMalaysia Center for Global Health Research Saveetha Medical CollegeSaveetha Institute of Medical and Technical SciencesChennaiTamil NaduIndia

This review delves into the detrimental impact of alcohol consumption on internal organs and reproductive health,elucidating the underlying mechanisms involving the Toll-like receptor 4(TLR4)/Nuclear factor kappa light chain enhancer of activated B cells(NF-kB)pathway and the Cytochrome P4502E1(CYP2E1)/reactive oxygen spe-cies(ROS)/nuclear factor erythroid 2-related factor 2(Nrf2)*** TLR4/NF-kB pathway,crucial for inflammatory and immune responses,triggers the production of pro-inflammatory agents and type-1 interferon,disrupting the balance between inflammatory and antioxidant responses when tissues are chronically exposed to ***-induced dysbiosis in gut microbes heightens gut wall permeability to pathogen-associated molecular patterns(PAMPs),leading to liver cell infection and subsequent ***,CYP2E1-mediated alcohol metabolism gen-erates ROS,causing oxidative stress and damaging cells,lipids,proteins,and deoxy-ribonucleic acid(DNA).To counteract this inflammatory imbalance,Nrf2 regulates gene expression,inhibiting inflammatory progression and promoting antioxidant *** alcohol intake results in elevated liver enzymes(ADH,CYP2E1,and catalase),ROS,NADH,acetaldehyde,and acetate,leading to damage in vital organs such as the heart,brain,and ***,alcohol negatively affects reproduc-tive health by inhibiting the hypothalamic-pituitary-gonadal axis,causing infertility in both men and *** findings underscore the profound health concerns associated with alcohol-induced damage,emphasizing the need for public awareness regarding the intricate interplay between immune responses and the multi-organ im-pacts of alcohol consumption.

关键词： alcohol health impact inflammation metabolism molecular pathways

Health awareness and lifestyle toward healthcare-seeking behavior among students in Universitas Advent Indonesia

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Frontiers of Nursing 2024年第3期11卷 337-342页

作者： Alvin Salim natasha Ulima Sianturi Evi Martha Suryani Yunus Elon Nursing Department Riau Andalan Pulp&PaperRiauIndonesia Faculty of Nursing Binawan UniversityJakartaIndonesia Nursing Department UNAI ClinicBandungIndonesia Faculty of Nursing Universitas Advent IndonesiaBandungIndonesia

Objective:Healthcare-seeking behavior(HSB)would affect the prevalence of morbidity and *** are various factors that affect one's *** study aimed to determine if health awareness and lifestyle might relate to ***:A cross-sectional study was applied by using three questionnaires to determine par ticipants'health awareness,lifestyle,and *** study took place in Universitas Advent Indonesia and the students were recruited to be par ***:There were 39 par ticipants joined in this *** of the par ticipants were females,third-year students,and from Accounting *** all participants were aware of their low risk of health issues,had a fine lifestyle,and had moderate ***:One's urge to seek health care facilities was not related to their health awareness and *** was no fur ther study to contradict with this finding at this moment.

关键词： health awareness healthcare-seeking behavior healthcare service utilization lifestyle public health

Antimony, Arsenic and Thallium Bioaccumulation in Asiatic Clam (Corbicula fluminea) Transplanted along the Manadas Creek, Laredo, Texas

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Journal of Environmental Protection 2024年第4期15卷 379-400页

作者： natasha Garcia Vaughan Thomas Alfred Addo-Mensah Department of Biology & Chemistry Texas A&M International University Laredo USA

Manadas Creek is an urban tributary of the Rio Grande that flows past a decommissioned antimony smelter and processing plant. This antimony plant is associated with heavy metal contamination in the creek and still poses a threat to the surrounding aquatic environment. Corbicula fluminea was used to determine bioaccumulation from the water column and sediments in Manadas Creek. The metals arsenic (As), antimony (Sb) and thallium (Tl) were analyzed in the water, sediments, gills, mantle, foot, digestive (DI) tract, gonads and shell of clams being monitored at eight sites between March and August 2013. Sediment, water, and dissected Corbicula fluminea samples from different sites in the Creek were acid-digested and analyzed by Inductively Coupled Plasma Optical Emission Spectroscopy. High levels of antimony (25.88 ug/L;75.96 mg/kg) and arsenic (8.26 ug/L;6.41 mg/kg) in the water and sediments were observed at the site downstream from the smelter. There were no detectable concentrations of arsenic, antimony, or thallium in the shell of C. fluminea. Arsenic and antimony were detected in the tissues of C. fluminea but thallium was not detected. Based on the results, the organotropism for arsenic is DI tract > gills > gonads > foot > mantle > shell and the organotropism for antimony is gills > DI tract > gonads > mantle > foot > shell. This study shows that the Asiatic clam (Corbicula fluminea) is a useful bio-monitor to provide data on the status of metal pollution in Manadas Creek, Laredo, Texas.

关键词： Biomarker Manadas Creek Rio Grande Heavy Metals Corbicula fluminea Biota Sediment Accumulation

Knowledge, attitudes, and practices regarding Covid-19 and their relationship with Covid-19 booster vaccination status among women with infertility

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Asian pacific Journal of Reproduction 2024年第2期13卷 68-75页

作者： Gita Pratama Mila Maidarti Kanadi Sumapradja Achmad Kemal Harzif natasha Talya Kevin Ezekia Irfan Arieqal Hatta Ampri Reproductive Immunoendocrinology Division Department of Obstetrics and GynecologyFaculty of Medicine Universitas Indonesia-dr.Cipto Mangunkusumo General HospitalJakartaIndonesia Yasmin IVF Clinic dr.Cipto Mangunkusumo General Hospital JakartaIndonesia Human Reproduction Infertilityand Family Planning ClusterIndonesia Reproductive Medicine Research and Training CenterFaculty of MedicineUniversitas IndonesiaJakarta 10430Indonesia Department of Obstetrics and Gynecology Faculty of Medicine Universitas Indonesia-dr.Cipto Mangunkusumo General HospitalJakartaIndonesia

Objective:To elucidate the relationship among knowledge,attitudes,and practices regarding Covid-19 and their relationship with booster vaccination status among women with ***:This questionnaire-based cross-sectional study was performed online and offline among women with infertility who visited an infertility clinic in Jakarta,*** assessed the patient’s knowledge,attitudes,and practices regarding Covid-19 and their relationship with booster vaccination status and sociodemographic ***:A total of 178 subjects participated in this study,and most participants(92.6%)had received booster Covid-19 *** the questionnaire,74.2%had good knowledge,and 99.4%had good attitudes regarding Covid-19;however,only 57.9%of patients had good practices.A weak positive correlation existed between knowledge and attitudes(r=0.11,P=0.13)and a moderate negative correlation between attitudes and practices(r=-0.44,P=0.56).Participants’knowledge about vaccines and infertility was correlated with booster vaccination status(P=0.04).Academic background(P=0.01)and attitudes(P=0.01)were also correlated with booster vaccination *** significant determinants of hesitance of receiving Covid-19 booster vaccines were high school education or below(OR=0.08,95%CI 0.02-0.36)and poor practices(OR=0.21,95%CI 0.05-0.95).Conclusions:The majority of the participants had received the Covid-19 booster vaccine and had good knowledge and attitudes but poor practices regarding *** participants had poor knowledge about the relationship between infertility and the Covid-19 *** general population should be more informed and reminded about practices to prevent Covid-19 and the relationship between vaccination and fertility to increase the number of people who receive Covid-19 booster vaccines.

关键词： Covid-19 Booster vaccine Infertility Knowledge Attitude Practice Human reproduction Pandemic

Effectiveness of mindfulness-based interventions on the well-being of healthcare workers:a systematic review and meta-analysis

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General Psychiatry 2024年第3期37卷 335-344页

作者： natasha Yixuan Ong Finn Jing Jie Teo Jane Zi Ying Ee Chun En Yau Julian Thumboo Hiang Khoon Tan Qin Xiang Ng NUS Yong Loo Lin School of Medicine National University of SingaporeSingapore Health Services Research Unit Singapore General HospitalSingapore SingHealth Duke-NUS Medicine Academic Clinical Programme Duke-NUS Medical SchoolSingapore Singhealth Duke-NUS Global Health Institute Singapore Duke Global Health Institute Duke UniversityDurhamNorth CarolinaUSA Division of Surgery and Surgical Oncology Singapore General HospitalSingapore Saw Swee Hock School of Public Health National University of Singapore and National University Health SystemSingapore

Background Growing evidence attests to the efficacy of mindfulness-based interventions(MBIs),but their effectiveness for healthcare workers remains *** To evaluate the evidence for MBIs in improving healthcare workers’psychological *** A systematic literature search was conducted on Medline,Embase,Cumulative Index for Nursing and Allied Health Literature,PsycINFO and Cochrane Central Register of Controlled Trials up to 31 August 2022 using the keywords‘healthcare worker’,‘doctor’,‘nurse’,‘allied health’,‘mindfulness’,‘wellness’,‘workshop’and‘program’.Randomised controlled trials with a defined MBI focusing on healthcare workers and quantitative outcome measures related to subjective or psychological well-being were eligible for inclusion.R V.4.0.3 was used for data analysis,with the standardised mean difference as the primary outcome,employing DerSimonian and Laird’s random effects *** of Recommendations,Assessment,Development and Evaluation framework was used to evaluate the quality of ***’s Risk of Bias 2 tool was used to assess the risk of bias in the included *** A total of 27 studies with 2506 participants were included,mostly from the USA,involving various healthcare *** such as stress reduction programmes,apps,meditation and training showed small to large effects on anxiety,burnout,stress,depression,psychological distress and job strain outcomes of the *** effects were also seen in self-compassion,empathy,mindfulness and ***,long-term outcomes(1 month or longer postintervention)varied,and the effects were not consistently *** MBIs offer short-term benefits in reducing stress-related symptoms in healthcare *** review also highlights limitations such as intervention heterogeneity,reduced power in specific subgroup analyses and variable study quality.

关键词： nurse sustained workers

Production of chitosan-based composite film reinforced with lignin-rich lignocellulose nanofibers from rice husk

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Journal of Bioresources and Bioproducts 2024年第2期9卷 174-184页

作者： Hye Jee Kang Yeon Ju Lee Jin Kyoung Lee Irnia Nurika Sri Suhartini Deokyeong Choe Dong Hyun Kim Hoon Choi natasha P.Murphy Ho Yong Kim Young Hoon Jung School of Food Science and Biotechnology Kyungpook National UniversityDaegu 41566Republic of Korea CPR S&T Co. Ltd.Gunpo 15880Republic of Korea Department of Agroindustrial Technology Faculty of Agricultural TechnologyUniversitas BrawijayaMalang 65145Indonesia Renewable Resources and Enabling Sciences Center National Renewable Energy LaboratoryGoldenCO 80401United States Center for Bio-based Chemistry Korea Research Institute of Chemical TechnologyUlsan 44429Republic of Korea

Lignocellulosic nanofibers(LCNFs),implying lignin-containing cellulose fibers,maintain the prop-erties of both lignin and cellulose,which are hydrophobic and hydrophilic,*** pres-ence of hydrophobic lignin in LCNFs is expected to be an economical and attractive option that can improve the thermal and mechanical properties of ***,this study was conducted to produce lignin-rich LCNFs from sugar-rich waste obtained from rice husks after acidic *** LCNFs were produced from the lignin-rich solid fractions obtained after pretreatment and enzymatic hydrolysis,which were then incorporated as an additive into a chitosan-based *** variations in lignin content in the range of approximately 50.6%-66.8%in differently obtained LCNFs gave significantly different optical strengths and mechanical *** controllable processes may allow for customized film ***,the glucose-rich liquid fractions obtained after pretreatment and enzymatic hydrolysis were used as a substrate for ethanol fermentation to achieve total utilization of rice husk biomass *** conclusion,the lignin-rich biomass fraction holds promise as a suitable material for chitosan-LCNF film and has the potential to increase the economic feasibility of the biomaterial industry.

关键词： Rice husk Lignocellulose nanofiber Lignin-based material Chitosan film Upcycling

Non-steroidal anti-inflammatory drugs in postoperative hand fracture management:Do they positively or negatively impact recovery?

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World Journal of Clinical Cases 2024年第21期12卷 4856-4858页

作者： Andrew Gorgy Jacqueline Dalfen natasha Barone Johnny Ionut Efanov Department of Plastic Reconstructiveand Aesthetic SurgeryMcGill UniversityMontreal H4A 3J1QCCanada Faculty of Medicine and Health Sciences McGill UniversityMontreal H4A 3J1QCCanada Department of Plastic and Reconstructive Surgery University of TorontoToronto M5S 1A1ONCanada Department of Plastic and Reconstructive Surgery Centre Hospitalier de l’Universitéde MontréalMontreal H2X 3E4QCCanada

This editorial explores the impact of non-steroidal anti-inflammatory drugs(NSAIDs)on postoperative recovery in hand fracture patients,amidst shifting pain management strategies away from opioids due to their adverse *** hand fractures being significantly common and postoperative pain management crucial for recovery,the potential of NSAIDs offers a non-addictive pain control ***,the controversy over NSAIDs'effects on bone healing—stemming from their Cyclooxygenase-2 inhibition and associated risks of fracture non-union or delayed union—necessitates further *** a comprehensive literature search,the study finds a lack of specific research on NSAIDs in postoperative hand fracture management,highlighting an urgent need for future studies to balance their benefits against possible risks.

关键词： Hand fracture Post operative management Non-steroidal anti-inflammatory drugs Non-union Bone healing Cyclooxygenase-2 inhibitors Opioid alternatives

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人工智能红队测试为何会出错

科技纵览 2024年第5期 7-9,4页

作者： natasha Bajema 不详

一种对抗性的网络安全工具被过度用于保护人工智能安全。2024年2月,OpenAl宣布推出Sora,这是一款令人惊叹的“文本转视频”工具。只需要输入一个提示,Sora就能够在几秒钟内生成一段逼真的视频。不过,该工具并未立即向公众开放。据报道,... 详细信息

一种对抗性的网络安全工具被过度用于保护人工智能安全。2024年2月,OpenAl宣布推出Sora,这是一款令人惊叹的“文本转视频”工具。只需要输入一个提示,Sora就能够在几秒钟内生成一段逼真的视频。不过,该工具并未立即向公众开放。据报道,推迟的部分原因是,该公司称OpenAl有一支名为“红队”的专家团队,他们将深入调查该模型,了解其处理深度伪造视频、错误信息、偏见和仇恨内容的能力。

关键词：人工智能 Open 网络安全工具错误信息专家团队处理深度视频对抗性