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Ahmad, Ateeque,Kim, Seung-Hyun,Ali, Mohd,Park, Inmyoung,Kim, Jin-Seog,Kim, Eun-Hye,Lim, Ju-Jin,Kim, Seul-Ki,Chung, Ill-Min American Chemical Society 2013 Journal of agricultural and food chemistry Vol.61 No.34
<P>Five new constituents, 5,4′-dihydroxy-7,3′-dimethoxyflavone-4′-<I>O</I>-β-<SMALL>d</SMALL>-xylopyranosyl-(2a→1b)-2a-<I>O</I>-β-<SMALL>d</SMALL>-xylopyranosyl-(2b→1c)-2b-<I>O</I>-β-<SMALL>d</SMALL>-xylopyranosyl-2c-octadecanoate (<B>1</B>), 5,4′-dihydroxy-7,3′-dimethoxyflavone-4′-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2a→1b)-2a-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2b→1c)-2b-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2c→1d)-2c-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-2d-octadecanoate (<B>2</B>), kaempferol-3-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2a→1b)-2a-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2b→1c)-2b-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2c→1d)-2c-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-2d-hexadecanoate (<B>3</B>), methyl salicylate-2-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2a→1b)-2a-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2b→1c)-2b-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2c→1d)-2c-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2d→1e)-2d-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2e→1f)-2e-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2f→1g)-2f-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-(2g→1h)-2g-<I>O</I>-α-<SMALL>d</SMALL>-xylopyranosyl-2h-geranilan-8′,10′-dioic acid-1′-oate (<B>4</B>), and oleioyl-β-<SMALL>d</SMALL>-arabinoside (<B>5</B>), along with eight known compounds, were isolated from a methanol extract of Oryza sativa straw. The structures of the new compounds were elucidated using one- and two-dimensional NMR spectroscopies in combination with IR, ESI/MS, and HR-ESI/FTMS. In bioassays with blue-green algae, the efficacies of the algicidal activities of the five new compounds (<B>1</B>–<B>5</B>) were evaluated at concentrations of 1, 10, and 100 mg/L. Compound <B>5</B> had the highest growth inhibition (92.6 ± 0.3%) for Microcystis aeruginosa UTEX 2388 at a concentration of 100 ppm (mg/L). Compound <B>5</B> has high potential for the ecofriendly control of weeds and algae harmful to water-logged rice.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jafcau/2013/jafcau.2013.61.issue-34/jf402145u/production/images/medium/jf-2013-02145u_0004.gif'></P>
Ghuncha Firdaus,Ateeque Ahmad 서울시립대학교 도시과학연구원 2011 도시과학국제저널 Vol.15 No.3
Urbanization, one of the most pressing global issues, with all of its concomitant consequences, is resulting in greater attention among planners and policy makers today than ever before. The present study intends to probe into the subject of urbanization with a specific focus on Delhi, and analysis of the same in the context of changing agricultural land use pattern and rural livelihood. A crosssectional design was used for data collection from a random sample of 896farming households. The analysis depicts that during 1951–2001, the urban area of Delhi expanded from 195.8 ㎢ to 924.6 ㎢, and the urban population increased from 0.1 to 2.3 million. Information at the household level shows that nearly 63% of the sampled household shifted their occupation from agriculture to non-agriculture, while almost 50% of the respondents reported change in cropping patterns, i.e. food grain versus vegetables, fruits and flowers. Through the application of the multiple linear regression model, the study reveals that residential complexes (p<0.01) and household industries (p<0.05) have a positive significant bearing on agricultural land use patterns. The development of transportation networks, orchards and nurseries, and brick kiln are shown to have an insignificant (p>0.05) correlation. Integrated planning for rural and urban areas may be key for balanced and sustainable urban development of Delhi.
Sk Ajim Ali,Ateeque Ahmad 대한공간정보학회 2018 Spatial Information Research Vol.26 No.4
Detecting and mapping of Dengue risk areas is a complex, tiring, multifaceted and protracted task requiring evaluation of many criteria. It is not sure that always one single factor is liable for Dengue Fever transmission in all areas, but it differs with changing geographical location. This paper presents the application of analytic hierarchy process alongside with geospatial analysis for detecting Dengue risk areas in Kolkata Municipal Corporation by integrating environmental parameters. It employs two stage analyses synergistically to form a Spatial Decision Support System. The first stage analysis makes use of the thematic layers in Geographical Information System in combination with environmental factors leading to support the second stage analysis using the analytic hierarchy process as a tool. Moreover, weighted overlay analysis was used for detecting potential risk areas. The research result shows that the calculated weights of criteria are within the range of Consistency Ratio being [0.1. The chosen decision criteria are consistent because the calculated Consistency Ratio is 0.0551 which is\0.1 and considered as acceptable for decision making. The most influential factors are found the Household Density, Water Logged Areas, Land Surface Temperature, Population Density, Land Elevation and Land Use Land Cover. The present study shows that the spatial relationship can help in understanding the pattern and distribution of dengue outbreak and zonation of potential risk areas.
Sk Ajim Ali,Ateeque Ahmad 대한공간정보학회 2019 Spatial Information Research Vol.27 No.3
Mosquito-borne diseases are those which transmitted through the bite of an infected mosquito. Stagnant water bodies are often preferable for breeding sites of mosquitos. But from breeding eggs to final stage, there are many factors responsible for its incubation, maturation and growth enough to bite and transmit diseases. The main aim of present study is to focus on associated environmental factors that provide suitable breeding sites and susceptibility mapping of mosquito-borne-diseases through geospatial technique and decision making approach. Analytic hierarchy process as a decision making approach was integrated with geographic information system to map of mosquito-borne diseases in Kolkata Municipal Corporation. Choice based various ranking was used to decide the weights of selected factors through establishing pairwise comparison matrix. Initially, 10 relevant environmental factors were chosen to determine their weight through pairwise comparison matrix. Concomitantly, weight of each causative factor was used as geo-database to support overlay analysis. Consistency ratio was calculated to check the decision process and significance measurement. The consistency ratio of decision factors was calculated as 0.0470, which is \0.1 and considered as consistent and acceptable. The study analysis shows that proximity to water bodies is a major responsible factor and subsequently moisture content, water index, availability of shadow area and presence of vegetation are also influential factors in prevalence of mosquito-borne diseases. The present result shows the high applicability of satellite data and spatial technique in epidemic diseases zonation.
Immunotoxicity activity from the essential oils of coriander (<i>Coriandrum sativum</i>) seeds
Chung, Ill-Min,Ahmad, Ateeque,Kim, Eun-Hye,Kim, Seung-Hyun,Jung, Woo-Suk,Kim, Jin-Hoi,Nayeem, Abdul,Nagella, Praveen Informa Healthcare 2012 IMMUNOPHARMACOLOGY AND IMMUNOTOXICOLOGY Vol.34 No.3
<P>The seeds of the <I>Coriandrum sativum</I> were extracted and the essential oil composition and immunotoxicity effects were studied. The analysis of the essential oil was conducted by gas chromatography-mass spectroscopy, which revealed 33 components, representing 99.99% of the total oil from the seeds of coriander. The major components are linalool (55.09%), α-pinene (7.49%), 2,6-Octadien-1-ol, 3,7-dimethyl-, acetate, (E)- (5.70%), geraniol (4.83%), 3-Cyclohexene-1-methanol, α,α,4-trimethyl- (4.72%), hexadecanoic acid (2.65%), tetradecanoic acid (2.49%), 2-α-pinene (2.39%), citronellyl acetate (1.77%), and undecanal (1.29%). The seed oil had significant toxic effects against the larvae of <I>Aedes aegypti</I> with an LC<SUB>50</SUB> value of 21.55 ppm and LC<SUB>90</SUB> value of 38.79 ppm. The above data indicate that the major components in the essential oil of coriander play an important role as immunotoxicity on the <I>A. aegypti</I>.</P>