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1.
J Environ Manage ; 347: 119204, 2023 Dec 01.
Article in English | MEDLINE | ID: mdl-37804634

ABSTRACT

This paper is likely the first attempt to empirically investigate the direct effect of geopolitical risk on sustainable development goals (SDGs). We employ a newly developed SDG index along with its 17 sub-indices from the United Nations to capture various aspects of sustainable development. On a panel sample covering 41 countries from 2015 to 2021, we find that elevated geopolitical tensions can hinder the progress towards achieving sustainable development goals. This result is robust to various model specifications and estimation approaches. Further analyses show that the two dimensions affected are Decent Work and Economic Growth (SDG8) and Climate Action (SDG13). Heterogeneity test finds that the negative effect of geopolitical risks is only present in countries highly dependent on natural resources. More importantly, improvements in institutional quality could partially offset the detrimental effect of geopolitical risks on sustainable development goals. Therefore, this study provides important implications for policymakers in devising measures to maintain the progress to achieve SDGs in the era of rising global uncertainties.


Subject(s)
Global Health , Sustainable Development , Natural Resources , Economic Development , Climate , Goals
2.
Environ Entomol ; 52(5): 863-869, 2023 Oct 16.
Article in English | MEDLINE | ID: mdl-37639697

ABSTRACT

This study investigated the effect of chilling temperature and duration on diapause termination in Eurytoma maslovskii, a major apricot pest in Korea and China. The experimental insects were sampled in mid-autumn. Overwintering larvae were subjected to a temperature range at -16, -4, 2, 9, 13 °C for 12 wk (a temperature of 19 °C was used for nonchilled control), and then exposed to cold temperature (2 °C) for different durations (from 1 to 16, 19, and 22 wk) at different times (20 September and 30 November) to determine adult emergence, prolonged larval diapause, and development rate postchilling. The results demonstrated a strong association between chilling temperature and duration with the emergence of E. maslovskii. It was observed that diapause may be terminated after at least 6 wk in the cold. However, the rate only reached a higher significance after 10 wk or longer duration of chilling. The optimal chilling temperature ranged from 2 to 9 °C. Late autumn chilling (mid-September) did not differ from winter chilling (late November). The postdiapause development rate of E. maslovskii was determined to be affected by the chilling duration and could be described by a 3-parameter probability density Weibull function. These results suggest that winter conditions play a crucial role in the phenology of E. maslovskii in spring.

4.
J Cardiol Cases ; 26(5): 379-382, 2022 Nov.
Article in English | MEDLINE | ID: mdl-36312774

ABSTRACT

Cardiac papillary fibroelastoma (CPF) is a benign primary cardiac neoplasm, commonly found in men and above 40 years old. The clinical presentation of CPF ranges from asymptomatic to embolism-related complications such as stroke, myocardial ischemia, infarction, or ventricular fibrillation. Acute coronary syndrome is a rare complication of CPF, which was reported only in a few cases in medical literature. Hence, we report a case of a 50-year-old female with a CPF on the right coronary cusp of the aortic valve diagnosed with multi-modality imaging with definitive diagnosis through histopathologic confirmation. The patient presented with acute onset of fatigue, diaphoresis, and vomiting. Initial electrocardiogram (ECG) demonstrated T wave inversion in aVL. Repeated ECG two hours later showed persistent T wave inversion in aVL with new T wave inversions in lead I and ST depression in V2-V6. Troponin levels were elevated from 3.6 ng/L to 1503 ng/L but the patient did not report chest pain, abdominal pain, or dyspnea. Computed tomography coronary angiography did not show any significant coronary stenosis but revealed a low attenuation node with 7 × 6 mm in dimension attached to the right coronary cusp of the aortic valve. Treatment was discussed among a multidisciplinary team and the CPF was surgically removed. Learning objective: Acute coronary syndrome is a rare, but potentially fatal complication of cardiac papillary fibroelastoma (CPF). Multi-modality imaging is valuable in delineating the evaluation of exact position, dimensions, nature of cardiac masses, diagnostic workup, and preliminary assessment before the surgery. There are no clear guidelines for the treatment of CPF.

5.
Insects ; 13(8)2022 Aug 12.
Article in English | MEDLINE | ID: mdl-36005347

ABSTRACT

The present study investigates the influence of temperature on the development of Eurytoma maslovskii after a diapause break up until adulthood. The insect development rate was fitted to both linear and nonlinear models to estimate thermal bioparameters, which served as the basis for constructing prediction models. Chilled apricot seeds collected in November were used for the experiments in March. Experiment 1 used intact seeds, while experiment 2 used overwintered larvae obtained by cracking the endocarp cover. Both larvae and intact seeds were subjected to seven constant temperatures (14.5, 18.8, 21.3, 24.0, 27.0, 30.2, and 34.3 °C). The post-diapause larvae of E. maslovskii developed into adults at a temperature range of 14.5-30.2 °C, and no larvae pupated at 34.3 °C. The lower temperature thresholds (LTs) for post-diapause larva and pupa and the total post-diapause period until adult emergence and until adult exit were 8.1, 8.2, 8.2, and 7.3 °C, respectively, whose thermal constants (DD) were 66.2, 180.2, 246.9, and 336.7 degree days, respectively. The distribution of E. maslovskii at all post-diapause stages was described using a two-parameter Weibull function. The data predicted by the model using accumulated degree days starting from January 1 did not differ by more than three days from the observed field emergence of E. maslovskii. Our data provide insights into the development of E. maslovskii after diapause. Temperature-dependent development supports the use of a degree day model to predict field emergence for pest timing control.

6.
Preprint in English | medRxiv | ID: ppmedrxiv-21259816

ABSTRACT

School closure was the only main control measure that Japan took into action from late February to late March in 2020. Accurate evaluation of how Japanese citizens responded to the impact of school closure remains a challenge. Data from the Google COVID-19 Community Mobility Report was used to analyze the mobility trend of Japanese citizens regarding six categories, including retail and recreation, grocery and pharmacy, parks, transit stations, workplace, and residential. The median percentage of mobility in all 47 prefectures of Japan was calculated during five periods of time, including one week before school closure, one week, two weeks, three weeks, and four weeks after school closure. There was a significant decline in the mobility trend of transit stations, grocery and pharmacy, parks, retail and recreation, and workplace at the moment after school closure compared to the prior period. Inversely, the mobility trend in staying at home remarkably increased following the implementation of school closure. Our study determined a significant change in the mobility trend of Japanese citizens before and after school closure. These data reflected the responsibility and the consciousness of Japanese citizens in mitigating COVID-19.

7.
Article in English | WPRIM (Western Pacific) | ID: wpr-880345

ABSTRACT

INTRODUCTION@#Approximately 1000 children die each year due to preventable water and sanitation-related diarrheal diseases. Six in 10 people lacked access to safely managed sanitation facilities in 2015. Numerous community- and school-based approaches have been implemented to eradicate open defecation practices, promote latrine ownership, improve situation sanitation, and reduce waterborne disease.@*OBJECTIVE@#Given that current evidence for sanitation interventions seem promising, the aim of this study was to systematically summarize existing research on the effectiveness of community- and school-based randomized controlled sanitation intervention in improving (1) free open defecation (safe feces disposal), (2) latrine usage, (3) latrine coverage or access, and (4) improved latrine coverage or access.@*METHODS@#Eight electronic databases were searched: PubMed, Scopus, WHO Global Health Library (GHL), Virtual Health Library (VHL), POPLINE, Web of Science, Cochrane, and Google Scholar up to 26 April 2019. Original randomized clinical trials addressing community-based or school-based intervention that reported feces disposal and latrine coverage were deemed eligible. More than two researchers independently contributed to screening of papers, data extraction, and bias assessment. We conducted a meta-analysis by random-effects model. The risk of bias was assessed by the Cochrane risk of bias tool.@*RESULTS@#Eighteen papers that matched all criteria and 16 studies were included in the final meta-analysis. Compared to the control, the sanitation intervention significantly increased safe feces disposal (OR 2.19, 95% CI 1.51-3.19, p < 0.05, I@*CONCLUSION@#Our study showed strong evidence for both community- and school-based sanitation interventions as effective for the safe disposal of human excreta. The finding suggests major implications for health policy and design of future intervention in developing countries.


Subject(s)
Community Participation/statistics & numerical data , Randomized Controlled Trials as Topic , Sanitation/instrumentation , School Health Services/statistics & numerical data , Toilet Facilities/statistics & numerical data
8.
Article in English | MEDLINE | ID: mdl-30360454

ABSTRACT

Pork is the most commonly consumed meat in Vietnam, and Salmonella enterica is a common contaminant. This study aimed to assess potential S. enterica cross-contamination between raw and cooked pork in Vietnamese households. Different scenarios for cross-contamination were constructed based on a household survey of pork handling practices (416 households). Overall, 71% of people used the same knife and cutting board for both raw and cooked pork; however, all washed their hands and utensils between handling raw and cooked pork. The different scenarios were experimentally tested. First, S. enterica was inoculated on raw pork and surfaces (hands, knives and cutting boards); next, water used for washing and pork were sampled to identify the presence and concentration of S. enterica during different scenarios of food preparation. Bootstrapping techniques were applied to simulate transfer rates of S. enterica cross-contamination. No cross-contamination to cooked pork was observed in the scenario of using the same hands with new cutting boards and knives. The probability of re-contamination in the scenarios involving re-using the cutting board after washing was significantly higher compared to the scenarios which used a new cutting board. Stochastic simulation found a high risk of cross-contamination from raw to cooked pork when the same hands, knives and cutting boards were used for handling raw and cooked pork (78%); when the same cutting board but a different knife was used, cross-contamination was still high (67%). Cross-contamination between was not seen when different cutting boards and knives were used for cutting raw and cooked pork. This study provided an insight into cross-contamination of S. enterica, given common food handling practices in Vietnamese households and can be used for risk assessment of pork consumption.


Subject(s)
Food Handling/methods , Food Microbiology , Red Meat/microbiology , Salmonella enterica/isolation & purification , Animals , Cooking , Food Handling/instrumentation , Food Handling/standards , Humans , Meat , Swine , Vietnam
9.
Article in English | WPRIM (Western Pacific) | ID: wpr-820701

ABSTRACT

OBJECTIVE@#To screen Vietnamese medicinal plants for xanthine oxidase (XO) inhibitory activity and to isolate XO inhibitor(s) from the most active plant.@*METHODS@#The plants materials were extracted by methanol. The active plant materials were fractionated using different organic solvents, including n-hexane, ethyl acetate, and n-butanol. Bioassay-guided fractionation and column chromatography were used to isolate compounds. The compounds structures were elucidated by analysis of spectroscopic data, including IR, MS, and NMR.@*RESULTS@#Three hundreds and eleven methanol extracts (CME) belonging to 301 Vietnamese herbs were screened for XO inhibitory activity. Among these plants, 57 extracts displayed XO inhibitory activity at 100 μg/mL with inhibition rates of over 50%. The extracts of Archidendron clypearia (A. clypearia), Smilax poilanei, Linociera ramiflora and Passiflora foetida exhibited the greatest potency with IC values below 30 μg/mL. Chemical study performed on the extract of A. clypearia resulted in the isolation of six compounds, including 1-octacosanol, docosenoic acid, daucosterol, methyl gallate, quercitrin and (-)-7-O-galloyltricetiflavan. The compound (-)-7-O-galloyltricetiflavan showed the most potent XO inhibitory activity with an IC value of 25.5 μmol/L.@*CONCLUSIONS@#From this investigation, four Vietnamese medicinal plants were identified to have XO inhibitory effects with IC values of the methanol extracts below 30 μg/mL. Compound (-)-7-O- galloyltricetiflavan was identified as an XO inhibitor from A. clypearia with IC value of 25.5 μmol/L.

10.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-972610

ABSTRACT

Objective To screen Vietnamese medicinal plants for xanthine oxidase (XO) inhibitory activity and to isolate XO inhibitor(s) from the most active plant. Methods The plants materials were extracted by methanol. The active plant materials were fractionated using different organic solvents, including n-hexane, ethyl acetate, and n-butanol. Bioassay-guided fractionation and column chromatography were used to isolate compounds. The compounds structures were elucidated by analysis of spectroscopic data, including IR, MS, and NMR. Results Three hundreds and eleven methanol extracts (CME) belonging to 301 Vietnamese herbs were screened for XO inhibitory activity. Among these plants, 57 extracts displayed XO inhibitory activity at 100 μg/mL with inhibition rates of over 50%. The extracts of Archidendron clypearia (A. clypearia), Smilax poilanei, Linociera ramiflora and Passiflora foetida exhibited the greatest potency with IC

11.
Mol Divers ; 20(1): 93-109, 2016 Feb.
Article in English | MEDLINE | ID: mdl-26643659

ABSTRACT

In many absorption, distribution, metabolism, and excretion (ADME) modeling problems, imbalanced data could negatively affect classification performance of machine learning algorithms. Solutions for handling imbalanced dataset have been proposed, but their application for ADME modeling tasks is underexplored. In this paper, various strategies including cost-sensitive learning and resampling methods were studied to tackle the moderate imbalance problem of a large Caco-2 cell permeability database. Simple physicochemical molecular descriptors were utilized for data modeling. Support vector machine classifiers were constructed and compared using multiple comparison tests. Results showed that the models developed on the basis of resampling strategies displayed better performance than the cost-sensitive classification models, especially in the case of oversampling data where misclassification rates for minority class have values of 0.11 and 0.14 for training and test set, respectively. A consensus model with enhanced applicability domain was subsequently constructed and showed improved performance. This model was used to predict a set of randomly selected high-permeability reference drugs according to the biopharmaceutics classification system. Overall, this study provides a comparison of numerous rebalancing strategies and displays the effectiveness of oversampling methods to deal with imbalanced permeability data problems.


Subject(s)
Models, Biological , Caco-2 Cells , Databases, Factual , Humans , Machine Learning , Permeability , Support Vector Machine
12.
Med Chem ; 7(6): 727-31, 2011 Nov.
Article in English | MEDLINE | ID: mdl-22313313

ABSTRACT

A series of simple (6-substituted benzothiazol-2-yl)acrylamides was synthesized and evaluated for cytotoxicity and antimicrobial effects. All six compounds displayed very significant cytotoxicity against four cancer cell lines tested including A549 (a human lung cancer cell line), Hela (a human ovarian cancer cell line), MCF7 (a human breast cancer cell line), and even MCF7-ADR (adriamycin-resistant human breast cancer cell line), with IC(50) values in microgram/ml range and as low as 0.66 µg/ml. The synthesized compounds also exhibited some antifungal effects against Apergillus niger.


Subject(s)
Acrylamides/pharmacology , Anti-Bacterial Agents/chemical synthesis , Anti-Bacterial Agents/pharmacology , Antifungal Agents/chemical synthesis , Antifungal Agents/pharmacology , Antineoplastic Agents/chemical synthesis , Antineoplastic Agents/pharmacology , Bacteria/drug effects , Fungi/drug effects , Acrylamides/chemical synthesis , Acrylamides/chemistry , Anti-Bacterial Agents/chemistry , Antifungal Agents/chemistry , Antineoplastic Agents/chemistry , Cell Line, Tumor , Cell Proliferation/drug effects , Dose-Response Relationship, Drug , Drug Screening Assays, Antitumor , HeLa Cells , Humans , Microbial Sensitivity Tests , Molecular Structure , Stereoisomerism , Structure-Activity Relationship
13.
Pharmaceutical Journal ; : 7-10, 2005.
Article in Vietnamese | WPRIM (Western Pacific) | ID: wpr-3881

ABSTRACT

Study on synthesis of [bis(2-acyloxyethyl)-amino]-acetic acid derivatives vat by synthetic method at solid phase and applying this method to synthesize a compound between camptothecin and clorambucil. Result: camptothecin - clorambucil CPT-2CLR compound were synthesized successfully by camptothecin esterification reaction with 2 (acid[bis(2-acyloxyethyl)-amino]-acetic). The [bis(2-acyloxyethyl)-amino]-acetic acid was synthesized simply and conveniently only by three-step on solid phase from bromoacetic trityl resin, diethanolamin and clorambucil. Attained productivity started from resin was 88%. This method may be applied in the synthesis of similar prodrugs and/or twin drugs


Subject(s)
Neoplasms , Therapeutics , Acetic Acid
14.
Pharmaceutical Journal ; : 13-15, 2005.
Article in Vietnamese | WPRIM (Western Pacific) | ID: wpr-3733

ABSTRACT

Fluconazol has been used as an effective antifungal drug for decades. However, increasing drug resistance make it becoming ineffective against many fungal strains. In search for new antifungal agents we have designed and synthesized eight derivatives of fluconazol, in which the hydroxy group of fluconazol was replaced by different functional groups, including halogens [Br (4a), Cl (4b), F (4c)}, azide (4d), cyanide (4e), carboxyl (4f), thiol (4g), and methanesulfonate (4h). Halogenated fluconazol derivatives (4a-4c) showed considerable antifungal activity against three fungal strains tested (C. albicans, A. niger, A. neoformans) with MIC values ranging from 139 to 552 mg/ml. Replacement of the -OH in fluconazol by bulkier groups like azide, cyanide, carboxyl, or methanesulfonate led to decrease or loss of antifungal activity. Exceptionally, however, a thiol derivative 4g (assigned UR/10289) exhibited very potent activity against all fungi tested, including two fluconazol-resistant strains (C. albicans, A. niger). This compound has been chosen as a candidate for further preclinical development by Parma Co. Ltd. (USA)


Subject(s)
Fluconazole , Pharmaceutical Preparations
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