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Toward sustainable waste management in small islands developing states: integrated waste-to-energy solutions in Maldives context

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Frontiers of Environmental Science & Engineering 2024年第2期18卷 133-148页

作者： Yao Wang Alejandro Ruiz-acevedo Eemaan Rameez Vijaya Raghavan Abid Hussain Xunchang Fei School of Civil and Environmental Engineering Nanyang Technological University50 Nanyang AvenueSingapore 639798Singapore United Nations Office for Project Services(UNOPS) United Nations BuildingBuruzu MaguMale’20184Maldives Department of Bioresource Engineering McGill UniversitySte-Anne-De-BellevueQuebec H9X 3V9Canada Department of Civil and Environmental Engineering Carleton UniversityOttawaOntario K1S 5B6H9X 3V9Canada

Effective waste management is a major challenge for Small Island Developing States (SIDS) like Maldives due to limited land availability. Maldives exemplifies these issues as one of the most geographically dispersed countries, with a population unevenly distributed across numerous islands varying greatly in size and population density. This study provides an in-depth analysis of the unique waste management practices across different regions of Maldives in relation to its natural and socioeconomic context. Data shows Maldives has one of the highest population density and per capita waste generation among SIDS, despite its small land area and medium GDP per capita. Large disparities exist between the densely populated capital Male’ with only 5.8 km2 area generating 63% of waste and the ~194 scattered outer islands with ad hoc waste management practices. Given Male’s dense population and high calorific waste, incineration could generate up to ~30 GW/a energy and even increase Maldives’ renewable energy supply by 200%. In contrast, decentralized anaerobic digestion presents an optimal solution for outer islands to reduce waste volume while providing over 40%–100% energy supply for daily cooking in local families. This timely study delivers valuable insights into designing context-specific waste-to-energy systems and integrated waste policies tailored to Maldives’ distinct regions. The framework presented can also guide other SIDS facing similar challenges as Maldives in establishing sustainable, ecologically sound waste management strategies.

关键词： Anaerobic digestion Waste incineration Waste management Maldives Small Island Developing States Waste-to-energy

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Expression changes of mi RNA-regulated genes associated with the formation of the leafy head in cabbage

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Horticultural Plant Journal 2024年第4期10卷 1007-1019页

作者： Jorge Aleman-Baez Jose Fernando acevedo-Zamora Johan Bucher Chengcheng Cai Roeland E.Voorrips Guusje Bonnema Plant Breeding Wageningen University and ResearchWageningenThe Netherlands

The vegetative development of cabbage(Brassica oleracea ***)passes through seedling,rosette,folding and heading *** that form the rosette are large and mostly *** the following developmental stages,the plants produce leaves that curve inward to produce the leafy *** microRNAs and their target genes have been described participating in leaf development and leaf *** aim of this study is to investigate the role of miRNA-regulated genes in the transition from the rosette to the heading *** compared the mi RNA and gene abundances between emerging rosette and heading *** remove transcripts(miRNAs and genes)whose regulation was most likely associated with plant age rather than the change from rosette to heading stage,we utilized a non-heading collard green(*** ***)morphotype as *** resulted in 33 DEMs and 1998 DEGs with likely roles in the transition from rosette to heading stage in *** these 1998 DEGs,we found enriched GO terms related to DNA-binding transcription factor activity,transcription regulator activity,iron ion binding,and *** predicted the target genes of these 33 DEMs and focused on the subset that was differentially expressed(1998DEGs)between rosette and heading stage leaves to construct mi RNA-target gene interaction *** main finding is a role for miR396b-5p targeting two Arabidopsis thaliana orthologues of GROWTH REGULATING FACTORs 3(GRF3)and 4(GRF4)in pointed cabbage head formation.

关键词： Brassica oleracea var.capitata RNA sequencing miRNA-target gene network leafy head formation

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C19MC miRNA-520G induces SP100 antiviral gene transcription and inhibits melanin production in skin cutaneous melanoma

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Genes & Diseases 2024年第1期11卷 60-63页

作者： Goodwin G.Jinesh Marian T.Smallin Nino Mtchedlidze Isha Godwin Marco Napoli Nicole Hackel Manali S.Phadke Avani A.Deshpande Xiaobo Li John H.Lockhart Jaden R.Baldwin sueh.lay acevedo-acevedo Yifeng Gao Michelle A.Reiser Keiran S.M.Smalley Elsa R.Flores Andrew S.Brohl Department of Molecular Oncology H.Lee Moffitt Cancer Center&Research InstituteTampaFL 33612USA Molecular Medicine Program H.Lee Moffitt Cancer Center&Research InstituteTampaFL 33612USA Saveetha Medical College ChennaiTamil Nadu 602105India Tumor Biology Department H.Lee Moffitt Cancer Center&Research InstituteTampaFL 33612USA Sarcoma Department H.Lee Moffitt Cancer Center&Research InstituteTampaFL 33612USA

SP100 is an antiviral protein that restricts the productive stage of human papillomavirus(HPV)and multiple other viruses,and viruses in turn block sUMO-1-mediated stabilization of SP100 and promotes its degradation(Table S1).Interferon(IFN)signaling could still produce more SP100 through transcription to counteract viruses.1 Viruses also disable the transcriptional up-regulation of SP100 to achieve persistent infection in hosts.

关键词： SP100 melanoma stabilization

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Effects of frothers on bubbles size and flotation performance of hydrophobic minerals

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Journal of Central South University 2024年第7期31卷 2280-2299页

作者： Gülşah GÜVEN Berivan TUNÇ ŞBeste AYDIN Gülay BULUT Mineral Processing Engineering Department Faculty of MinesIstanbul Technical UniversityMaslak 34469IstanbulTurkey Research Center Metso OutotecKuparitie 1028101 PoriFinland

Frothers facilitate the reduction of bubbles size by preventing bubbles coalescence and produce more stable *** collision probability of the bubbles and particles substantially increases by decreasing bubble *** the same volume system,fewer bubbles result from a distribution of large-sized bubbles,and more bubbles result from a distribution of small-sized *** this research,fundamental two-phase frother characterization parameters were aimed to link with three-phase coal and talc flotation *** this purpose,the effect of single and dual frother systems on inhibiting bubble coalescence was investigated with methyl isobutyl carbinol(MIBC),isooctanol(2 ethyl hexanol),pine oil,and Dowfroth *** on the results of single frothers,isooctanol at the lowest critical coalescence concentration(CCC)value of 6×10^(−6) achieved the smallest bubbles with Sauter mean diameter of 0.80 *** blending Dowfroth 250 and pine oil,the bubbles size decreased significantly,reaching 0.45 *** the highest recoveries in coal flotation were obtained in single and frother blends where the bubbles size was measured as the smallest in two-phase system,and such a relationship was not found for talc flotation.

关键词： flotation frother blends bubble size coal and talc flotation

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From EBIT to SEBIT(Sustainable EBIT):Sustainable Performance Accounting(SPA)Using the Example of CO_(2) Accounting

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Journal of Modern Accounting and Auditing 2024年第2期20卷 49-71页

作者： Knut Henkel Jenny lay-Kumar Christian Hiß University of Applied Sciences Emden/Leer EmdenGermany Regionalwert Research gGmbH LeipzigGermany Agriculture Food&Beverages sector writing teamLeipzigGermany Regionalwert Leistungen GmbH Freiburg Br.Germany

Corporate sustainability reporting has become increasingly important in recent ***,conventional approaches reach their limits when it comes to quantifying and measuring the actual sustainability performance of a *** article presents a new approach:Sustainable Performance Accounting(SPA),which is based on an extension of bookkeeping by including ESG *** enables companies to systematically measure and manage their sustainability *** article provides an overview of the basics of SPA methodology and uses a comprehensive example showing how SPA can be implemented in *** article is aimed at interested readers from science and practice as well as decision-makers who are interested in future-oriented sustainability reporting.

关键词： CO_(2)accounting CO_(2)emissions CSRD ESG(Environmental Social Governance) ESG bookkeeping ESG provision ESG asset ESRS integrated financial reporting internalisation of external effects connectivity monetisation of ESG issues sustainability sustainability indicators negative emissions sequestration performance Sustainable Performance Accounting(SPA)

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Risk Factors in Surgical Site Infections

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Surgical Science 2024年第2期15卷 64-80页

作者： Atilla Duran Hüseyin Gülay Mustafa Cem Terzi Department of General Surgery Mersin City Training and Research Hospital Mersin Türkiye Department of General Surgery Baskent University Ankara Türkiye Department of General Surgery Acibadem Kent Hastanesi Izmir Türkiye

Purpose of the Research: Our study aimed to determine and understand the risk factors of surgical site infections in patients operated on in general surgery wards. Method of Research: Between May 2008 and November 2008, 422 consecutive patients who underwent emergency and elective surgeries, excluding breast, goitre and laparoscopic surgeries, were included in the study to determine surgical site infections and risk factors. The patients’ risk factors were selected in the preoperative period, and postoperative 3rd, 7th, and 30th days were checked by the physician responsible for conducting the study regarding surgical site infection. Results and Conclusion: Surgical site infections were defined as incisional and organ/space based on NNIS data. Gender, diabetes mellitus, malignancy, degree of contamination, ASA score ≥ 3, preoperative skin cleansing, duration of intensive care unit stay, duration of hospital stay, growth in wound culture, duration of surgery and incision length were determined as risk factors increasing CAI rates. Especially the degree of contamination, duration of intensive care unit stay, hospitalisation, duration of operation, and growth in wound culture were decisive factors in the development of CAI. As a result of our study, in the light of these data, we concluded that to prevent the development of CAI can be modified, interventions to foreseeable factors can be assessed.

关键词： Infection CAI Risk Patient

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Estrogen rapid effects:a window of opportunity for the aging brain?

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Neural Regeneration Research 2022年第8期17卷 1629-1632页

作者： Ivanny Marchant Jana Stojanova Lilian acevedo Pablo Olivero Laboratorio de Modelamiento en Medicina Escuela de MedicinaUniversidad de ValparaísoViña del MarChile Interdisciplinary Centre for Health Studies(CIESAL) Universidad de ValparaísoViña del MarChile Servicio de Neurología Hospital Carlos van Buren ValparaísoChile Laboratorio de Estructura y Función Celular Escuela de MedicinaFacultad de MedicinaUniversidad de ValparaísoValparaísoChile Centro Interoperativo en Ciencias Odontológicas y Médicas Universidad de ValparaísoValparaísoChile

Estrogen produces several beneficial effects in healthy neurological tissues and exhibits cardioprotective *** therapy has been widely used to treat menopausal estrogen deficiency for more than 80 *** high initial expectations of cardioprotective effects,there has been substantial distrust following important randomized clinical trials,such as the Women’s Health ***,the timing of treatment in relation to the onset of menopause came under consideration and led to the proposal of the timing hypothesis,that early initial treatment is important,and benefits are lost as the timing since menopause becomes *** analyses of the Women’s Health Initiative data,together with more recent data from randomized and observational trials,consistently show reductions in coronary heart disease and mortality in younger menopausal *** cognitive function,the timing hypothesis is consistent with observations from basic and animal *** is some clinical evidence to support the benefits of hormonal therapy in this context,though skepticism remains due to the paucity of clinical trials of substantial length in younger menopausal *** is likely that the effects of estrogens on cognitive performance are due to rapid mechanisms,including mechanisms that influence Ca2+homeostasis dynamics,provide protection in a hostile environment and reduce inflammatory signals from neural *** the future,inflammatory profiles accounting for early signs of pathological inflammation might help identify the‘window of opportunity’to use estrogen therapy for successful cognitive protection.

关键词： aging cardiovascular prevention cognitive function estrogen hormone treatment inflammaging rapid effects timing hypothesis TRPV1 window of opportunity

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Effect of non-enzymatic glycation on collagen nanoscale mechanisms in diabetic and age-related bone fragility

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BIOCELL 2023年第7期47卷 1651-1659页

作者： JAMES LROSENBERG WILLIAM WOOLLEY IHSAN ELNUNU JULIA KAMML DAVID SKAMMER CLAIRE acevedo Department of Mechanical Engineering University of UtahSalt Lake City84112USA Institute for Building Materials ETH ZurichZurichSwitzerland Department of Biomedical Engineering University of UtahSalt Lake City84112USA

Age and diabetes have long been known to induce an oxidative reaction between glucose and collagen,leading to the accumulation of advanced glycation end-products(AGEs)cross-links in collagenous *** recently,AGEs content has been related to loss of bone quality,independent of bone mass,and increased fracture risk with aging and *** of bone quality is mostly attributed to changes in material properties,structural organization,or cellular *** all these factors play a role in bone fragility disease,some common recurring patterns can be found between diabetic and age-related bone *** main pattern we will discuss in this viewpoint is the increase of fibrillar collagen stiffness and loss of collagen-induced plasticity with AGE *** study focused on recent related experimental studies and discusses the correlation between fluorescent AGEs content at the molecular and fibrillar scales,collagen deformation mechanisms at the nanoscale,and resistance to bone fracture at the macroscale.

关键词： Bone fragility Advanced glycation end-products Collagen Diabetes Aging

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Cells and material-based strategies for regenerative endodontics

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Bioactive Materials 2022年第8期7卷 234-249页

作者： Zain Siddiqui Amanda M.acevedo-Jake Alexandra Griffith Nurten Kadincesme Kinga Dabek Dana Hindi Ka Kyung Kim Yoshifumi Kobayashi Emi Shimizu Vivek Kumar Department of Biomedical Engineering New Jersey Institute of TechnologyNewarkNJ07102USA Department of Oral Biology Rutgers School of Dental MedicineNewarkNJ07103USA Department of Endodontics Rutgers School of Dental MedicineNewarkNJ07103USA Department of Chemicals and Materials Engineering New Jersey Institute of TechnologyNewarkNJ07102USA Department of Biology New Jersey Institute of TechnologyNewarkNJ07102USA

The carious process leads to inflammation of pulp *** care options include root canal treatment or *** procedures,however,result in the loss of tooth vitality,sensitivity,and *** capping and dental pulp regeneration are continually evolving techniques to regenerate pulp tissue,avoiding necrosis and loss of *** studies have successfully employed stem/progenitor cell populations,revascularization approaches,scaffolds or material-based strategies for pulp *** we outline advantages and disadvantages of different methods and techniques which are currently being used in the field of regenerative *** also summarize recent findings on efficacious peptide-based materials which target the dental niche..

关键词： Regenerative endodontics Pulp regeneration Tissue engineering Stem cells Scaffolds

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A graduate student experience with Professor Donald ***

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Earthquake Science 2022年第1期35卷 6-10页

作者： Thorne lay Department of Earth and Planetary Sciences University of California Santa CruzSanta CruzCA 95064USA

A year after the passing of Don Helmberger,it is remarkable how memories of interactions with him over my entire professional career continue to spark affection and admiration.I arrived at Caltech in the summer of 1978 having had typically little exposure to seismology as an *** of my academic advisors during my undergraduate program in Geomechanics(a joint program between Geology and Mechanical Engineering at the University of Rochester)was Geoff Davies,who had received his *** Caltech working in mineral physics.

关键词： typically passing undergraduate

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