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Evaluation of Pre-Emergence and Post-Emergence Herbicides for Weed Management in Miscanthus sacchariflorus and Miscanthus sinensis

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Phyton-International Journal of Experimental Botany 2023年第5期92卷 1439-1467页

作者： Bimal Kumar Ghimire Chang Yeon Yu Seung Hyun Kim ill min chung Department of Crop Science College of Sanghuh Life ScienceKonkuk UniversitySeoul05029Korea Bioherb Research Institute Kangwon National UniversityChuncheon24341Kore

Miscanthus,is a promising bioenergy crop,considered superior to other bioenergy crops because of its higher water and nutrient use efficiency,cold tolerance,and higher production of *** weeds and grass weeds,cause major problems in the Miscanthus field.A field experiment was conducted in 2018 and 2019,to assess the effects of pre-emergence(alachlor and napropamide)and post-emergence herbicides(nicosulfuron,dicamba,bentazon,and glufosinate ammonium)on broadleaf and grass weeds in *** and *** *** weed control efficiency and phytotoxicity of pre-and post-emergence herbicides were evaluated at 30 days after treatment(DAT)and compared to those of the control *** results showed wide variations in the susceptibility of the weed species to the treated *** with nicosulfuron 40 ***^(-1) provided the most effective overall weed control(with 10%visual injury),without affecting the height and biomass of neither Miscanthus species in the ***-emergence herbicides such as glufosinate ammonium 400 ***^(-1) and dicamba 482 ***^(-1) were effective and inhibited the growth and density of the majority of weeds to a 100%;however,they showed significant phytotoxicity(toxicity scale of 1-10)to both species of *** application of glufosinate ammonium caused severe injuries to the foliar region(90%visual injury)of both Miscanthus ***,*** showed a slightly higher tolerance to the herbicides nicosulfuron,bentazon and napropamide with 10%visual injury at the recommended dose than *** present study clearly showed that infestation of broadleaf and grass weeds in Miscanthus fields can cause significant damage to the growth and biomass of Miscanthus and applying pre-emergence and post-emergence herbicides effectively controls the high infestation of these weeds.

关键词： miscanthus herbicides weeds biomass chlorophyll visual injury

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Inhibition behavior of Tragia involucrata L. phenolic compounds against acidic medium corrosion in low carbon steel surface

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Chinese Journal of Chemical Engineering 2019年第3期27卷 717-725页

作者： ill-min chung Seung-Hyun Kim Venkatesan Hemapriya Kathirvel Kalaiselvi Mayakrishnan Prabakaran Department of Crop Science College of sanghr Life Science Konkuk University Department of Chemistry PSGR Krishnammal College for Women

The antioxidant and anticorrosive effect of Tragia involucrate L.(T. involucrate L.) was evaluated to aid in finding new compounds which can be used for various purposes. The total phenolic(TPC) and flavonoid content(TFC),antioxidant activity(DPPH, reducing potential and phosphomolybdenum), and electrochemical measurements,Fourier transform infrared(FT-IR), UV–visible(UV–vis) spectral analysis, scanning electron microscopy/energydispersive X-ray spectroscopy(SEM–EDX) and atomic force microscopy(AFM) were done to analyze the potency and also the inhibition efficiency of T. involucrate L. against 1 mol·L^(-1) HCl on low carbon steel. The TPC(145.21 mg GAE·g^(-1)), TFC(52.32 mg QCE·g^(-1)) and antioxidant activities were found to be significant. The electrochemical studies performed by AC impedance measurements showed significant changes in impedance spectra without causing any change in Nyquist plots. An increase in charge transfer resistance(Rct) values, a blockage in active sites exhibiting cathodic and anodic inhibition shows the action of inhibitor on low carbon steel. This was later confirmed by FT-IR and UV–vis which showed variation in absorption band at 270 nm and273 nm(before immersion) and 208 and 281 nm(after immersion). The same was tested again by SEM–EDX through altered strength of iron and oxygen bands and using AFM by analyzing the change in average roughness values of low carbon steel before(61.65 nm) and after(97.87 nm) exposure to blank acid without inhibitor, while it was shifted to 81.58 nm in acid with inhibitor. All these results showed strong evidence adding values to T. involucrate L. plant extract in inhibiting corrosion on low carbon steel and by promoting antioxidant importance of the extract which helps in scavenging free radicals.

关键词： Tragia involucrate L Antioxidant Corrosion Adsorption Electrochemistry SEM–EDX–AFM

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GC-MS analysis of volatile compounds of Perilla frutescens Britton var. Japonica accessions: morphological and seasonal variability

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Asian Pacific Journal of Tropical Medicine 2017年第7期10卷 705-714页

作者： Bimal Kumar Ghimire Ji Hye Yoo Chang Yeon Yu ill-min chung Department of Applied Life Science Konkuk University Bioherb Research Institute Kangwon National University

Objective: To investigate the composition of volatile compounds in the different accessions of Perilla frutescens(P. frutescens) collected from various habitats of China and Japan. Methods: In the present study, the essential oil from the leaves of P. frutescens cultivars from China and Japan was extracted by hydro-distillation and the chemical composition and concentration of the volatile components present in the oils were determined by gas chromatography–mass spectrometry(GC–MS) analysis. Results: Among the volatile components, the major proportion was of perilla ketone, which was followed by elemicin and beta-caryophyllene in the Chinese Perilla cultivars. The main component in the oil extracted from the Japanese accessions was myristicin, which was followed by perilla ketone and beta-caryophyllene. We could distinguish seven chemotypes, namely the perilla ketone(PK) type, perilla ketone, myristicin(PM) type, perilla ketone, unknown(PU) type, perilla ketone, beta-caryophyllene, myristicine(PB) type, perilla ketone, myristicin, unknown(PMU) type, perilla ketone, elemicine, myristicin, beta-caryophyllene(PEMB) type, and the perilla ketone, limonene, betacryophyllene, myristicin(L) type. Most of the accessions possessed higher essential oil content before the flowering time than at the flowering stage. The average plant height, leaf length, leaf width of the Chinese accessions was higher than those of the Japanese accessions. Conclusion:The results revealed that the harvest time and geographical origin caused polymorphisms in the essential oil composition and morphological traits in the Perilla accessions originating from China and Japan. Therefore, these chemotypes with desirable characters might be useful for industrial exploitation and for determining the harvest time.

关键词： Perilla frutescens Essential oil GC–MS analysis Morphological character Harvesting time

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Asian Pacific Journal of Tropical Medicine 2020年第7期13卷 288-294页

作者： Muthu Thiruvengadam Baskar Venkidasamy ill-min chung Prabhu Thirupathi Umadevi Subramanian Department of Crop Science College of Sanghuh Life ScienceKonkuk UniversitySeoul 05029Republic of Korea Department of Biotechnology Bharathiar UniversityCoimbatoreTamil Nadu 641046India Translational Research Platform for Veterinary Biologicals Tamil Nadu Veterinary and Animal Sciences UniversityMadhavaram Milk ColonyChennai 600051Tamil NaduIndia

Diabetes mellitus, an endocrine disorder, has a wider reach among most of the world population. The incidence of diabetes is high not only among adults but wider-age groups are also becoming susceptible to this disease because of modified food habits and lifestyle changes that are alien to the physiological system. The control of blood glucose level would be the prime focus of all the therapeutic targets, which is achieved through drugs, modified lifestyle, and paleo-based diets. To find a solution to these problems, earlier humans have revolutionized the science with the discovery of insulin from the porcine pancreatic crude extract. Later, developments have been made with artificial recombinant insulin and even insulin analogs that would mimic the physiological basal insulin in controlling the blood sugar levels. Various factors such as cost and logistics for quality delivery to the end-user at various corners of the world have impeded the reach of the original product. Hence, biosimilar insulins that are original insulin analogs were designed to execute similar physiological functions. In the current situation, the use of biosimilars has been approved in various clinical conditions that are very promising in its functions. In the present review, the various developmental phases of biosimilar preparations and the regulations enforced ensuring a quality product in the market through the Food and Drug Administration and the European Medicines Agency have been discussed.

关键词： Diabetes mellitus Biosimilars Insulin Therapeutics

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METHODOLOGY OF RICE ALLELOPATHY AND ALLELOPATHIC COMPOUNDS ISOLATED FROM RICE HULL AS POTENTIAL HERBICIDAL AGENTS

METHODOLOGY OF RICE ALLELOPATHY AND ALLELOPATHIC COMPOUNDS I...

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中国第三届植物化感作用学术研讨会;第八届全国杂草科学大会;联合国粮农组织——中国“水稻化感作用论坛”

作者： ill-min chung Tran-Dang KHANH Joung-Kuk AHN Department of Applied Life Science College of Life and Environmental ScienceKonkuk University

Rice(Oryza sativa L.)is a principle food for many people in the *** research,conducting during 2000-2007 has been focused on searching allelopathic potential of rice by either screening or isola

关键词： Allelopathy allelochemical rice cultivar phytoalexin herbicidal agent

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Benefit in physical function and quality of life to nonsurgical treatment of varicose veins: Pilot study

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World Journal of Clinical Cases 2024年第3期12卷 517-524页

作者： Gwon-min Kim BoKun Kim minwoo Jang Jong-Hwan Park Miju Bae chung Won Lee Jong Won Kim Up Huh Medical Research Institute Pusan National University School of MedicineYangsan 50612South Korea Future Convergence Research Institute Changwon National UniversityChangwon 51140South Korea Department of Convergence Medical Science School of MedicinePusan National UniversityYangsan 50612South Korea Health Convergence Medicine Laboratory Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Thoracic and Cardiovascular Surgery Pusan National University School of MedicineBiomedical Research InstitutePusan National University HospitalBusan 49241South Korea

BACKGROUND Studies on varicose veins have focused its effects on physical function;however,whether nonsurgical treatments alter muscle oxygenation or physical function remains ***,the differences in such functions between individuals with varicose veins and healthy individuals remain *** To investigate changes in physical function and the quality of life(QOL)following nonsurgical treatment of patients with varicose veins and determine the changes in their muscle oxygenation during *** We enrolled 37 participants(those with varicose veins,n=17;healthy individuals,n=20).We performed the following measurements pre-and post-nonsurgical treatment in the varicose vein patients and healthy individuals:Calf muscle oxygenation during the two-minute step test,open eyes one-leg stance,30 s sit-to-stand test,visual analog scale(VAS)for pain,Pittsburgh sleep quality index,physical activity assessment,and QOL *** Varicose veins patients and healthy individuals differ in most variables(physical function,sleep quality,and QOL).Varicose veins patients showed significant differences between pre-and post-nonsurgical treatment—results in the 30 sit-to-stand test[14.41(2.45)to 16.35(4.11),P=0.018],two-minute step test[162.29(25.98)to 170.65(23.80),P=0.037],VAS for pain[5.35(1.90)to 3.88(1.73),P=0.004],and QOL[39.34(19.98)to 26.69(17.02),P=0.005];however,no significant difference was observed for muscle *** Nonsurgical treatment improved lower extremity function and QOL in varicose veins patients,bringing their condition close to that of healthy *** studies should include patients with severe varicose veins requiring surgery to confirm our findings.

关键词： Varicose vein Nonsurgical treatment Physical function Quality of life Near infrared spectroscopy

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Optimal Shape Factor and Fictitious Radius in the MQ-RBF:Solving ill-Posed Laplacian Problems

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Computer Modeling in Engineering & Sciences 2024年第6期139卷 3189-3208页

作者： Chein-Shan Liu chung-Lun Kuo Chih-Wen Chang Center of Excellence for Ocean Engineering Taiwan Ocean UniversityKeelung202301TaiwanChina Department of Mechanical Engineering National United UniversityMiaoli36063TaiwanChina

To solve the Laplacian problems,we adopt a meshless method with the multiquadric radial basis function(MQRBF)as a basis whose center is distributed inside a circle with a fictitious radius.A maximal projection technique is developed to identify the optimal shape factor and fictitious radius by minimizing a merit function.A sample function is interpolated by theMQ-RBF to provide a trial coefficient vector to compute the merit *** can quickly determine the optimal values of the parameters within a preferred rage using the golden section search *** novel method provides the optimal values of parameters and,hence,an optimal MQ-RBF;the performance of the method is validated in numerical ***,nonharmonic problems are transformed to the Poisson equation endowed with a homogeneous boundary condition;this can overcome the problem of these problems being *** optimal MQ-RBF is extremely *** further propose a novel optimal polynomial method to solve the nonharmonic problems,which achieves high precision up to an order of 10^(−11).

关键词： Laplace equation nonharmonic boundary value problem ill-posed problem maximal projection optimal shape factor and fictitious radius optimal MQ-RBF optimal polynomial method

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Experience of Mental Health Professionals Collaborating with Peer Supporters in a Community Mental Health Service Team

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International Journal of Mental Health Promotion 2024年第4期26卷 251-260页

作者： Sowon Lee Boyoung Kim chung Kil Park College of Nursing Chonnam National UniversityGwangju61469South Korea College of Oriental Medicine Wonkwang UniversityIksan54538South Korea

This study explored how mental health professionals collaborate with peer supporters with mental disabilities in a community mental health *** January 19 to February 23,2021,three 60 min interviews were conducted with six mental health professionals working at a Korean community *** results were qualitatively analyzed and divided into four themes and eight *** four themes were the perceptions of and challenges in working with peer supporters with mental disabilities,conflict and confusion about working with peer supporters,forming partnerships with peer supporters,and policy support for peer supporters’job *** reported vague anxiety about working with a peer supporter and difficulties with the trial-and-error process of adjusting to the role as *** time,however,they realized that they needed to make an effort to develop meaningful relationships with peer supporters and mental health ***,through this study,we realized that there was a need to improve the system,such as building infrastructure for job stability for peer support workers and capacity building tailored to the mental *** peer supporters play various roles while working with mental health professionals,this study showed the possibility of mutual growth through communication and *** findings will help prepare systems necessary for collaboration between the two teams amidst the increasing institutionalization of peer support for mental disorders.

关键词： Peer supporters mental health mental health professionals collaborating

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Woody plant cell walls:Fundamentals and utilization

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Molecular Plant 2024年第1期17卷 112-140页

作者： Wei Li Ying-chung Jimmy Lin Ying-Lan Chen Chenguang Zhou Shuang Li Nette De Ridder Dyoni M.Oliveira Lanjun Zhange Baocai Zhang Jack P.Wang Changzheng Xu Xiaokang Fu Keming Luo Ai-min Wu Taku Demura Meng-Zhu Lu Yihua Zhou Laigeng Li Toshiaki Umezawa Wout Boerjan Vincent L.Chiang State Key Laboratory of Tree Genetics and Breeding Northeast Forestry UniversityHarbin 150040China Department of Life Science National Taiwan UniversityTaipeiTaiwanChina Department of Biotechnology and Bioindustry Sciences College of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwanChina Department of Plant Biotechnology and Bioinformatics Ghent UniversityTechnologiepark 719052 GhentBelgium VIB Center for Plant Systems Biology Technologiepark 719052 GhentBelgium State Key Laboratory of Plant Genomics Insttute of Genetics and Developmental Biology Chinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Forest Biotechnology Group Department of Forestry and Environmental ResourcesNorth Carolina State UniversityRaleighNC 27695USA Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation Integrative Science Center of Germplasm CreationSchool of Life SciencesSouthwest UniversityChongqing 400715China Guangdong Key Laboratory for Innovative Developmentand Utilization of Forest Plant Germplasm College of Forestry and Landscape ArchitecturesSouth China Agricultural UniversityGuangzhou510642China Center for Digital Green-innovation Nara Institute of Science and TechnologykomaNara 630-0192Japan State Key Laboratory of Subtropical Siviculture College of Forestry and BiotechnologyZhejang A&F UniversityHangzhou 311300China CAS Center for Excellence in Molecular Plant Sciences Chinese Academy of Sciences300 Fenglin RoadShanghai 200032China Laboratoryof MetabolicScienceofForest Plants and Microorganisms Rsearch Institute for Sustainable HumanosphereKyoto UniversityUjiKyoto 611-0011 Japan

Cell walls in plants,particularly forest trees,are the major carbon sink of the terrestrial *** and biosynthetic features of plant cell walls were revealed early on,focusing mostly on herbaceous model *** developments in genomics,transcriptomics,epigenomics,transgenesis,and associated analytical techniques are enabling novel insights into formation of woody cell ***,we review multilevel regulation of cell wall biosynthesis in forest tree *** highlight current approaches to engineering cell walls as potential feedstock for materials and energy and survey reported field tests of such engineered transgenic *** outline opportunities and challenges in future research to better understand cell type biogenesis for more efficient wood cell wall modification and utilization for biomaterials or for enhanced carbon capture and storage.

关键词： regulation of cell wall formation biosynthesis of cell wall components lignin cellulose hemicellulose cell wall utilization

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Validity of fatty liver prediction scores for diagnosis of fatty liver by Fibroscan

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Hepatobiliary & Pancreatic Diseases International 2024年第4期23卷 353-360页

作者： Seogsong Jeong Sun Jae Park Seong Kyun Na Sang min Park Byung-Cheol Song Yun Hwan Oh Department of Biomedical Sciences Seoul National University Graduate SchoolSeoul 03080Korea Department of Biomedical Informatics CHA University School of MedicineCHA UniversitySeongnam 13488Korea Department of Internal Medicine Inje University College of MedicineSeoul 50834Korea Department of Family Medicine Seoul National University HospitalSeoul National University College of MedicineSeoul 03080Korea Department of Internal Medicine Jeju National University HospitalJeju National University College of MedicineJeju 63241Korea Department of Family Medicine Jeju National University HospitalJeju National University College of MedicineJeju 63241Korea Department of Family Medicine Chung-Ang University Gwangmyeong HospitalChung-Ang University College of MedicineGwangmyeong 14353Korea

Background:The Korea National Health and Nutrition Examination Survey nonalcoholic fatty liver disease(K-NAFLD)score was recently developed with the intent to operationally define nonalcoholic fatty liver disease(NAFLD).However,there remained an external validation that confirmed its diagnostic performance,especially in patients with alcohol consumption or hepatitis virus ***:Diagnostic accuracy of the K-NAFLD score was evaluated in a hospital-based cohort consisting of 1388 participants who received Fibroscan®.Multivariate-adjusted logistic regression models and the contrast estimation of receiver operating characteristic curves were used for validation of the K-NAFLD score,fatty liver index(FLI),and hepatic steatosis index(HSI).Results:K-NAFLD-moderate[adjusted odds ratio(aOR)=2.53,95%confidence interval(CI):1.13-5.65]and K-NAFLD-high(aOR=4.14,95%CI:1.69-10.13)groups showed higher risks of fatty liver compared to the K-NAFLD-low group after adjustments for demographic and clinical characteristics,and FLI-moderate and FLI-high groups revealed aORs of 2.05(95%CI:1.22-3.43)and 1.51(95%CI:0.78-2.90),*** addition,the HSI was less predictive for Fibroscan®-defined fatty *** K-NAFLD and FLI also demonstrated high accuracy in the prediction of fatty liver in patients with alcohol consumption and chronic hepatitis virus infection,and the adjusted area under curve values were comparable between K-NAFLD and ***:Externally validation of the K-NAFLD and FLI showed that these scores may be a useful,noninvasive,and non-imaging modality for the identification of fatty *** addition,these scores also predicted fatty liver in patients with alcohol consumption and chronic hepatitis virus infection.

关键词： Nonalcoholic fatty liver disease Fatty liver index Hepatic steatosis index

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