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Journal articles on the topic 'Vientiane (Laos)'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Phongmany, Simaly, Jean-Marc Rolain, Rattanaphone Phetsouvanh, Stuart D. Blacksell, Vimone Soukkhaseum, Bouachanh Rasachack, Khamphong Phiasakha, et al. "Rickettsial Infections and Fever, Vientiane, Laos." Emerging Infectious Diseases 12, no. 2 (February 2006): 256–62. http://dx.doi.org/10.3201/eid1202.050900.

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2

Amalia, Mufidah Nur. "STRATEGI SOSIOAFEKTIF PEMELAJAR LAOS PADA KURSUS BAHASA INDONESIA DI KBRI VIENTIANE." GHANCARAN: Jurnal Pendidikan Bahasa dan Sastra Indonesia 2, no. 2 (January 18, 2021): 133–40. http://dx.doi.org/10.19105/ghancaran.v2i2.3917.

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Pemelajar asing yang belajar bahasa Indonesia menggunakan strategi guna mencapai tujuan yang diinginkan. Salah satu strategi yang digunakan oleh pemelajar asing dalam belajar bahasa Indonesia, yaitu strategi sosioafektif. Strategi sosioafektif tersebut berhubungan dengan interaksi pemelajar dengan lingkungannya untuk mencapai tujuan pembelajaran. Penelitian ini bertujuan mendeskripsikan strategi sosioafektif yang digunakan oleh pemelajar Laos pada saat Kursus Bahasa Indonesia di KBRI Vientiane. Metode yang dipakai dalam penelitian ini adalah kualitatif. Subjek dalam penelitian ini adalah pemelajar Laos tingkat pemula. Lokasi penelitian berada di KBRI Vientiane-Laos. Hasil penelitian menunjukkan bahwa strategi sosioafektif yang digunakan pada saat Kursus Bahasa Indonesia, yaitu (1) kerja sama, (2) bertanya untuk mengklarifikasi, dan (3) bicara kepada diri sendiri. Ketiga hal itu dilakukan guna mencapai tujuan pembelajaran secara efektif dan maksimal karena pada dasarnya manusia terlahir sebagai makhluk sosial

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3

Siboualipha, S., N. M. Korovchinsky, and L. Sanoamuang. "Species composition of Sididae (Branchiopoda: Cladocera) in Vientiane Province and Vientiane City, Laos." Invertebrate Zoology 17, no. 1 (December 2020): 162–75. http://dx.doi.org/10.15298/invertzool.17.2.06.

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4

Phommavongsa, Nitthasack, Sakpaseuth Senesombath, Jee-Hyun Lim, Na-Young Kim, Woo-Ryung Park, Eun-Joo Na, Mi-Hae Yun, Tae-Woo Im, Seung-Chul Shin, and Ja-Won Cho. "Dental Survey of Vientiane City Children in Laos." International Journal of Clinical Preventive Dentistry 11, no. 1 (March 31, 2015): 33–38. http://dx.doi.org/10.15236/ijcpd.2015.11.1.33.

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5

Khounnorath, Sengmanivong, Karen Chamberlain, Ann M. Taylor, Douangdao Soukaloun, Mayfong Mayxay, Sue J. Lee, Bounthom Phengdy, et al. "Clinically Unapparent Infantile Thiamin Deficiency in Vientiane, Laos." PLoS Neglected Tropical Diseases 5, no. 2 (February 22, 2011): e969. http://dx.doi.org/10.1371/journal.pntd.0000969.

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6

Vannamahaxay, Soulasack, Souliya Vongkhamchanh, Montira Intanon, Sahatchai Tangtrongsup, Saruda Tiwananthagorn, Kidsadagon Pringproa, and Phongsakorn Chuammitri. "Molecular characterization of canine parvovirus in Vientiane, Laos." Archives of Virology 162, no. 5 (January 25, 2017): 1355–61. http://dx.doi.org/10.1007/s00705-016-3212-1.

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7

Vongpraseuth, Thanousorn. "The Transformation of the Urban Form in Vientiane, Laos." Journal of korea Planners Association 49, no. 4 (July 31, 2014): 37. http://dx.doi.org/10.17208/jkpa.2014.07.49.4.37.

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8

Pastorino, Boris, Onanong Sengvilaipaseuth, Anisone Chanthongthip, Manivanh Vongsouvath, Chanthala Souksakhone, Mayfong Mayxay, Laurence Thirion, Paul N. Newton, Xavier de Lamballerie, and Audrey Dubot-Pérès. "Low Zika Virus Seroprevalence in Vientiane, Laos, 2003–2015." American Journal of Tropical Medicine and Hygiene 100, no. 3 (March 6, 2019): 639–42. http://dx.doi.org/10.4269/ajtmh.18-0439.

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9

BAYER, STEFFEN, and PETER JÄGER. "Heteropoda species from limestone caves in Laos (Araneae: Sparassidae: Heteropodinae)." Zootaxa 2143, no. 1 (June 29, 2009): 1–23. http://dx.doi.org/10.11646/zootaxa.2143.1.1.

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Two new Heteropoda species from Laos are described, Heteropoda steineri sp. nov. (male, female) from the Xe Bangfai cave system in Khammouan Province, and Heteropoda aemulans sp. nov. (male, female) from caves close to Vang Vieng in Vientiane Province. Two further species, Heteropoda maxima Jäger, 2001 from Khammouan Province and Heteropoda simplex Jäger and Ono, 2000 from northern Laos and Japan, are recorded. Heteropoda simplex is recorded for the first time from Laos, the female is described for the first time. Main morphological differences between species are recognised from copulatory organs and colouration. Intraspecific variation is illustrated for all species.

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10

Vongdala, Noudeng, Hoang-Dung Tran, Tran Xuan, Rolf Teschke, and Tran Khanh. "Heavy Metal Accumulation in Water, Soil, and Plants of Municipal Solid Waste Landfill in Vientiane, Laos." International Journal of Environmental Research and Public Health 16, no. 1 (December 21, 2018): 22. http://dx.doi.org/10.3390/ijerph16010022.

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The municipal solid waste (MSW) landfill in Vientiane, Laos, which receives > 300 tons of waste daily, of which approximately 50% is organic matter, has caused serious environmental problems. This study was conducted to investigate the accumulated levels of heavy metals (HMs) (cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb), and zinc (Zn)) in water (surface and groundwater), soil, and plants between dry and wet seasons according to the standards of the Agreement on the National Environmental Standards of Laos (ANESs), Dutch Pollutant Standards (DPSs), and the World Health Organization (WHO), respectively. Although no impact of pollution on the surface water was observed, the levels of Cr and Pb in the groundwater significantly exceeded the basics of ANESs and WHO in both seasons. The pollution caused by Cd and Cu reached the eco-toxicological risk level in the landfill soils and its vicinity. The vegetable Ipomoea aquatica, which is consumed by the nearby villagers, was seriously contaminated by Cr, Pb, Cu, and Zn, as the accumulation of these toxic metals was elevated to much greater levels as compared to the WHO standards. For the grass Pennisetum purpureum (elephant grass), the quantities of HMs in all plant parts were extreme, perhaps due to the deeper growth of its rhizome than I. aquatica. This study is the first to warn of serious HM pollution occurring in the water, soil, and plants in the MSW landfill of Vientiane, Laos, which requires urgent phytoremediation. The indication of what sources from the MSW principally cause the pollution of HMs is needed to help reduce the toxicological risks on Lao residents and the environment in Vientiane as well.

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11

LIANG, AI-PING, and RONG-RONG WANG. "A review of the Oriental planthopper genus Sogana Matsumura 1914 (Hemiptera: Fulgoromorpha: Tropiduchidae) with descriptions of three new species." Zootaxa 1732, no. 1 (March 25, 2008): 29. http://dx.doi.org/10.11646/zootaxa.1732.1.2.

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The Oriental planthopper genus Sogana Matsumura, 1914 (Hemiptera: Fulgoromorpha: Tropiduchidae) is reviewed and seven species including three new species are recognized in the genus: S. clara sp. nov. (Laos: Vientiane), S. extrema Melichar, 1914 (Burma, China), S. hopponis Matsumura, 1914 (type species, China, Japan), S. longiceps Fennah, 1978 (China, Vietnam), S. pseudohopponis sp. nov. (Laos: Nam Kading), S. robustocarina sp. nov. (Malaysia: Borneo) and S. stimulata Melichar, 1914 (Indonesia: Mentawei Islands). The genus and its included species are described and illustrated. A key to the known species in the genus is provided.

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12

Dubot-Pérès, Audrey, Mayfong Mayxay, Rattanaphone Phetsouvanh, Sue J. Lee, Sayaphet Rattanavong, Manivanh Vongsouvath, Viengmon Davong, et al. "Management of Central Nervous System Infections, Vientiane, Laos, 2003–2011." Emerging Infectious Diseases 25, no. 5 (May 2019): 898–910. http://dx.doi.org/10.3201/eid2505.180914.

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13

Stevenson, Janelle. "A preliminary late Pleistocene pollen record from Vientiane, Laos PDR." Quaternary International 279-280 (November 2012): 468. http://dx.doi.org/10.1016/j.quaint.2012.08.1567.

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14

Phommachanh, Sysavanh, Masao Ichikawa, Shinji Nakahara, Mayfong Mayxay, and Akio Kimura. "Student motorcyclists’ mobile phone use while driving in Vientiane, Laos." International Journal of Injury Control and Safety Promotion 24, no. 2 (April 20, 2016): 245–50. http://dx.doi.org/10.1080/17457300.2016.1166141.

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15

Brindha, K., Paul Pavelic, Touleelor Sotoukee, Somphasith Douangsavanh, and L. Elango. "Geochemical Characteristics and Groundwater Quality in the Vientiane Plain, Laos." Exposure and Health 9, no. 2 (July 11, 2016): 89–104. http://dx.doi.org/10.1007/s12403-016-0224-8.

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16

Khattiyavong, Chanthephar, and Han Soo Lee. "Performance Simulation and Assessment of an Appropriate Wastewater Treatment Technology in a Densely Populated Growing City in a Developing Country: A Case Study in Vientiane, Laos." Water 11, no. 5 (May 15, 2019): 1012. http://dx.doi.org/10.3390/w11051012.

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The fast-growing population in Vientiane, the capital of Laos, has resulted in increasing domestic wastewater generation, which directly impacts the urban water environment due to the lack of a suitable wastewater treatment system. This study aims to assess six wastewater treatment alternatives based on two technologies—trickling filter and activated sludge—used for on-site, decentralized, and centralized wastewater treatment systems to support decision-making for selecting the most suitable and practical alternative for wastewater treatment in Vientiane. To determine the most appropriate treatment system, the wastewater treatment process simulation with BioWin and the technique for order preference by similarity to ideal solution (TOPSIS) method are applied to assess the removal efficiencies for biochemical oxygen demand (BOD), chemical oxygen demand (COD), and total suspended solids (TSS), as well as to rank the six wastewater treatment technologies based on the following four environmental criteria: (1) land requirement, (2) electricity use, (3) sludge production, and (4) CO2 emissions. The BioWin results illustrate that the capacity of each alternative is similar in terms of domestic wastewater treatment efficiency, while differing in terms of environmental impacts. In addition, the alternative ranking shows that a centralized wastewater treatment system with a trickling-filter process is more suitable than on-site and decentralized wastewater treatment systems based on their environmental impacts. This finding provides evidence for decision-makers to select a suitable alternative for wastewater treatment in order to promote access to safe sanitation and sustainable urban wastewater management in Vientiane, Laos.

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17

Jochum, Adrienne, Estée Bochud, Adrien Favre, Marina Ferrand, and Quentin Wackenheim. "A new species of Laoennea microsnail (Stylommatophora, Diapheridae) from a cave in Laos." Subterranean Biology 36 (November 13, 2020): 1–9. http://dx.doi.org/10.3897/subtbiol.36.58977.

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The genus Laoennea (Streptaxoidea, Diapheridae) was erected by Páll-Gergely, 2020. The type species, Laoennea carychioides Páll-Gergely, A. Reischütz & Maassen, 2020 is so far only known from the type locality cave in Laos. Herein, we describe a second species, Laoennea renouardisp. nov., from a nearby cave in the same karst region of Vientiane Province.

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18

TAGANE, SHUICHIRO, VAN-SON DANG, PHETLASY SOULADETH, HIDETOSHI NAGAMASU, HIRONORI TOYAMA, AKIYO NAIKI, KENGO FUSE, et al. "Five new species of Syzygium (Myrtaceae) from Indochina and Thailand." Phytotaxa 375, no. 4 (November 14, 2018): 247. http://dx.doi.org/10.11646/phytotaxa.375.4.1.

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Five new species of Syzygium (Myrtaceae), S. honbaense, S. phamhoangii and S. yersinii from Khanh Hoa Province, Vietnam, S. phoukhaokhouayense from Phou Khao Khouay National Protected Area, Vientiane Province, Laos, and S. scabrum from Bung Khla, Phu Wua Wildlife Sanctuary, Buengkan Province, Thailand, are described and illustrated. Photographs, vernacular names and preliminary conservation assessments are provided for them.

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19

Roberts, Tamalee, Daniel M. Parker, Philip L. Bulterys, Sayaphet Rattanavong, Ivo Elliott, Koukeo Phommasone, Mayfong Mayxay, et al. "A spatio-temporal analysis of scrub typhus and murine typhus in Laos; implications from changing landscapes and climate." PLOS Neglected Tropical Diseases 15, no. 8 (August 25, 2021): e0009685. http://dx.doi.org/10.1371/journal.pntd.0009685.

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Background Scrub typhus (ST) and murine typhus (MT) are common but poorly understood causes of fever in Laos. We examined the spatial and temporal distribution of ST and MT, with the intent of informing interventions to prevent and control both diseases. Methodology and principle findings This study included samples submitted from 2003 to 2017 to Mahosot Hospital, Vientiane, for ST and MT investigation. Serum samples were tested using IgM rapid diagnostic tests. Patient demographic data along with meteorological and environmental data from Laos were analysed. Approximately 17% of patients were positive for either ST (1,337/8,150 patients tested) or MT (1,283/7,552 patients tested). While both diseases occurred in inhabitants from Vientiane Capital, from the univariable analysis MT was positively and ST negatively associated with residence in Vientiane Capital. ST was highly seasonal, with cases two times more likely to occur during the wet season months of July-September compared to the dry season whilst MT peaked in the dry season. Multivariable regression analysis linked ST incidence to fluctuations in relative humidity whereas MT was linked to variation in temperature. Patients with ST infection were more likely to come from villages with higher levels of surface flooding and vegetation in the 16 days leading up to diagnosis. Conclusions The data suggest that as cities expand, high risk areas for MT will also expand. With global heating and risks of attendant higher precipitation, these data suggest that the incidence and spatial distribution of both MT and ST will increase.

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20

Blacksell, Stuart D., Lee Smythe, Rattanaphone Phetsouvanh, Michael Dohnt, Rudy Hartskeerl, Meegan Symonds, Andrew Slack, et al. "Limited Diagnostic Capacities of Two Commercial Assays for the Detection of Leptospira Immunoglobulin M Antibodies in Laos." Clinical and Vaccine Immunology 13, no. 10 (October 2006): 1166–69. http://dx.doi.org/10.1128/cvi.00219-06.

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ABSTRACT The diagnostic utility of immunochromatographic (Leptotek) and enzyme-linked immunosorbent assay (ELISA; Panbio) tests for the detection of Leptospira immunoglobulin M antibodies was assessed in febrile adults admitted in Vientiane, Laos. Both tests demonstrated poor diagnostic accuracy using admission serum (Leptotek sensitivity of 47.3% and specificity of 75.5%: ELISA sensitivity of 60.9% and specificity of 65.6%) compared to the Leptospira “gold standard” microscopic agglutination test.

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21

TAGANE, SHUICHIRO, CHIKA KAMEDA, SOUPHACHAY PHOUPHASOUK, and PHETLASY SOULADETH. "Gluta laosensis (Anacardiaceae), a new species from Vientiane, Laos." Phytotaxa 415, no. 3 (August 29, 2019): 153–56. http://dx.doi.org/10.11646/phytotaxa.415.3.6.

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A new species of Gluta (Anacardiaceae), Gluta laosensis Tagane & Kameda, from Vientiane, Central Laos, is described and illustrated. A new species is easily distinguished from the other species of the genus in Indo-China in having short petioles less than 4 mm long, obovate-oblong or oblong-elliptic leaf blade with rounded to slightly cordate base, and 18–24 pairs of secondary veins.

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22

Sharifi, Ayyoob, Yoshihiro Chiba, Kohei Okamoto, Satoshi Yokoyama, and Akito Murayama. "Can master planning control and regulate urban growth in Vientiane, Laos?" Landscape and Urban Planning 131 (November 2014): 1–13. http://dx.doi.org/10.1016/j.landurbplan.2014.07.014.

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23

Scholz, T., O. Ditrich, and M. Giboda. "Larval stages of medically important flukes (Trematoda) from Vientiane province, Laos." Annales de Parasitologie Humaine et Comparée 65, no. 5-6 (1990): 238–43. http://dx.doi.org/10.1051/parasite/1990655238.

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24

Chai, J. Y., J. H. Park, E. T. Han, S. M. Guk, E. H. Shin, A. Lin, J. L. Kim, et al. "Mixed infections with Opisthorchis viverrini and intestinal flukes in residents of Vientiane Municipality and Saravane Province in Laos." Journal of Helminthology 79, no. 3 (September 2005): 283–89. http://dx.doi.org/10.1079/joh2005302.

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AbstractFaecal examinations for helminth eggs were performed on 1869 people from two riverside localities, Vientiane Municipality and Saravane Province, along the Mekong River, Laos. To obtain adult flukes, 42 people positive for small trematode eggs (Opisthorchis viverrini, heterophyid, or lecithodendriid eggs) were treated with a 20–30 mg kg−1 single dose of praziquantel and purged. Diarrhoeic stools were then collected from 36 people (18 in each area) and searched for helminth parasites using stereomicroscopes. Faecal examinations revealed positive rates for small trematode eggs of 53.3% and 70.8% (average 65.2%) in Vientiane and Saravane Province, respectively. Infections with O. viverrini and six species of intestinal flukes were found, namely, Haplorchistaichui, H. pumilio, H. yokogawai, Centrocestus caninus,Prosthodendrium molenkampi, and Phaneropsolus bonnei. The total number of flukes collected and the proportion of fluke species recovered were markedly different in the two localities; in Vientiane, 1041 O. viverrini (57.8 per person) and 615 others (34.2 per person), whereas in Saravane, 395 O. viverrini (21.9 per person) and 155207 others (8622.6 per person). Five people from Saravane harboured no O. viverrini but numerous heterophyid and/or lecithodendriid flukes. The results indicate that O. viverrini and several species of heterophyid and lecithodendriid flukes are endemic in these two riverside localities, and suggest that the intensity of infection and the relative proportion of fluke species vary by locality along the Mekong River basin.

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25

NGUYEN, THUONG HUYEN, VINH QUANG LUU, SALY SITTHIVONG, HANH THI NGO, TRUONG QUANG NGUYEN, MINH DUC LE, and THOMAS ZIEGLER. "A new species of Dixonius (Squamata: Gekkonidae) from Vientiane Capital, Laos." Zootaxa 4965, no. 2 (April 28, 2021): 351–62. http://dx.doi.org/10.11646/zootaxa.4965.2.8.

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A new species of the gekkonid genus Dixonius is described from Huaysorn-Huaysua village, Nasaithong District, Vientiane Capital, Laos. The new species can be distinguished from all other species by a combination of the following characters: maximum SVL 47.1 mm; 19–21 longitudinal rows of dorsal tubercles at midbody; 23–26 longitudinal rows of ventrals across the abdomen; 7 or 8 supralabials, 6 in mid-orbital position; 5 or 6 infralabials; 5 or 6 precloacal pores in males, femoral pores lacking; precloacal and femoral pores absent in females; a canthal stripe running from rostrum through the eye and terminating at back of head; dorsum brown with irregular dark marks. In phylogenetic analyses, the species is recovered as the sister taxon to D. siamensis, which occurs in Laos, Thailand, and Vietnam. Genetically, the two species are approximately 9.4% divergent from each other based on the complete mitochondrial ND2 gene with six partial or complete adjacent tRNAs. It is the 12th species known in the genus Dixonius and the second Dixonius species described from Laos.

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26

Queney, Pierre, Jean-Michel Lemaire, and Marina Ferrand. "A new genus and species of subterranean diving beetle from Laos (Coleoptera, Dytiscidae, Hydroporinae, Hydroporini)." Bulletin de la Société entomologique de France 125, no. 4 (December 10, 2020): 407–16. http://dx.doi.org/10.32475/bsef_2144.

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The first stygobiontic diving beetle known from Laos, Laodytes lapiei n. gen., n. sp., is described from a cave located in the Vientiane province. Its morphological characters lead to its placement, among Hydroporinae, in Hydroporini. Inside these, the new species could not be assigned to an existing genus. As a result, a new genus has been defined without it being possible, at the present stage, to assign it to one of the currently recognized subtribes.

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27

Li, Dongxue, and Xingping Wang. "Land-Use Change and Efficiency in Laos’ Special Economic Zones." Land 10, no. 10 (September 26, 2021): 1012. http://dx.doi.org/10.3390/land10101012.

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Special economic zones (SEZs) are important in Laos due to their ability to attract foreign investment, realize industrialization, and promote economic globalization. Based on Laos’ SEZs in operation, this study explored land-use intensity, structural evolution and land-use efficiency in Laos’ SEZs via the land-use dynamic degree, information entropy, super-efficiency data envelopment analysis (DEA) and gray relational analysis (GRA). The study determined that the total land-use area in Laos’ SEZs continuously increased from 2014 to 2020. The land-use intensity changes in the SEZs can be divided into three types, i.e., high intensity, medium intensity and low intensity, and most SEZs belonged to the medium-intensity type. The proportion of land used in production systems in Laos’ SEZs increased the most, and the proportion of infrastructure land notably decreased. The overall information entropy of the land-use structure exhibited an initial downward and then an upward trend. In 2018, the land-use efficiency in the Savan-Seno SEZ, Vientiane Industrial and Trade Area, Dongphosy SEZ, and Golden Triangle SEZ was relatively optimal. The basic factors of the industrial space and the factors reflecting international cooperation attributes were highly related to the land-use efficiency in Laos’ SEZs.

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28

Long, Colin. "A history of urban planning policy and heritage protection in Vientiane, Laos." International Development Planning Review 24, no. 2 (June 2002): 127–44. http://dx.doi.org/10.3828/idpr.24.2.2.

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29

SUZUKI, Kenji, Yukiyo YAMAMOTO, and Jun FURUYA. "Long-term Changes in Characteristics of Daily Rainfall at Vientiane Municipal, Laos." JOURNAL OF JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES 20, no. 1 (2007): 17–24. http://dx.doi.org/10.3178/jjshwr.20.17.

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30

Xayheungsy, Sonexay, and Khiem Hong Le. "Natural radioactivity in the soil of Thoulakhom district in Vientiane province, Laos." Science and Technology Development Journal - Natural Sciences 2, no. 4 (August 13, 2019): 119–25. http://dx.doi.org/10.32508/stdjns.v2i4.819.

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Results of the first investigation of the activity concentration of the surface soil samples collected at various locations of Thoulakhom district of Vientiane province of Laos People's Democratic Republic (PDR) are presented in this work. The activity concentration of the natural radionuclides 226Ra, 232Th and 40K in the soil samples were determined by gamma spectrometer using a highenergy resolution semiconductor detector HPGe. The activity concentrations of the natural radionuclides were in the range from 11.28 to 31.46 with the mean of 21.76 Bq.kg-1 for 226Ra, from 7.13 to 44.47 with the mean of 21.85 Bq.kg-1 for 232Th and from 8.96 to 581.52 with the mean of 112.89 Bq.kg-1 for 40K. These mean values of the activity concentration were lower than the average worldwide ones, which were 33, 45 and 420 Bq.kg-1 for 226Ra, 232Th, and 40K, respectively. The results indicate dthat the radiation hazard from natural 226Ra, 232Th, and 40K radionuclides in all investigated soil samples taken from area under investigation in this work was not significant.

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31

Chansamouth, Vilada, Syvilay Thammasack, Rattanaphone Phetsouvanh, Valy Keoluangkot, Catrin E. Moore, Stuart D. Blacksell, Josee Castonguay-Vanier, et al. "The Aetiologies and Impact of Fever in Pregnant Inpatients in Vientiane, Laos." PLOS Neglected Tropical Diseases 10, no. 4 (April 6, 2016): e0004577. http://dx.doi.org/10.1371/journal.pntd.0004577.

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32

Ichikawa, Masao, Shinji Nakahara, Sysavanh Phommachanh, Mayfong Mayxay, and Akio Kimura. "Roadside observation of secondary school students’ commuting to school in Vientiane, Laos." International Journal of Injury Control and Safety Promotion 22, no. 2 (October 18, 2013): 111–15. http://dx.doi.org/10.1080/17457300.2013.843570.

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33

Anderson, M., K. Luangxay, K. Sisouk, L. Vorlasan, B. Soumphonphakdy, V. Sengmouang, V. Chansamouth, et al. "Epidemiology of Bacteremia in Young Hospitalized Infants in Vientiane, Laos, 2000-2011." Journal of Tropical Pediatrics 60, no. 1 (July 31, 2013): 10–16. http://dx.doi.org/10.1093/tropej/fmt064.

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34

Sahani, Pankaj Kumar, Stephan W. Gale, André Schuiteman, Somsanith Bouamanivong, and Gunter A. Fischer. "Orchid Flora of Laos: findings from a survey of limestone karst vegetation in Vang Vieng, Vientiane Province, Laos." Journal of Threatened Taxa 8, no. 12 (October 26, 2016): 9397. http://dx.doi.org/10.11609/jott.2826.8.12.9397-9417.

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A major project to study the phytodiversity of the Indo-Burma Biodiversity Hotspot was initiated by Kadoorie Farm and Botanic Garden, Hong Kong, in 2011, with the aim of surveying primary forest fragments and identifying conservation priorities within this expansive but highly threatened ecoregion. The Vang Vieng area of Vientiane Province, northern Laos, was chosen as a focus for a pilot expedition, since it features an extensive karst landscape that has barely been explored. Together with officials from the Ministry of Science and Technology, Government of Lao PDR, surveys of three sites were conducted in April 2012, at the end of the dry northeast monsoon season. A total of 283 herbarium specimens were collected. These collections comprised nearly 180 specimens from the family Orchidaceae, of which approximately 136 were unique taxa. At least one of these is a species new to science and a further nine represent new distributional records for Laos. A list of the species encountered during the study is presented and the significance of the findings is discussed. Major threats to the natural environment in northern Laos are highlighted.

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Choisy, Marc, Sengdeuane Keomalaphet, Kinnaly Xaydalasouk, Fabrice Quet, Vatthanaphone Latthaphasavang, and Yves Buisson. "Prevalence of Hepatitis B Virus Infection among Pregnant Women Attending Antenatal Clinics in Vientiane, Laos, 2008–2014." Hepatitis Research and Treatment 2017 (March 29, 2017): 1–5. http://dx.doi.org/10.1155/2017/1284273.

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The Lao People’s Democratic Republic (PDR) is still considered a highly endemic country for hepatitis B, mainly due to perinatal transmission of hepatitis B virus (HBV), despite efforts made since 2004 for universal immunization of newborns. The prevalence of HBV surface antigen (HBsAg) carriage in pregnant women is a relevant marker for the risk of mother-to-child HBV transmission. This study aimed to assess the changes in prevalence of HBV infection among pregnant women attending the Mahosot Prenatal Clinic (Vientiane Capital). Methods. A retrospective study was performed in the Mahosot Hospital Laboratory to collect and analyze all the results of HBsAg testing in pregnant women from 2008 to 2014. Results. Of a total of 13,238 tested women of mean age of 26 years, 720 women (5,44% [95 CI: 5.1–5.8%]) were found HBsAg positive, the annual prevalence ranging from 4.6% to 6.2%. A slight but steady and significant decrease in prevalence over the 7 years of the study could be documented. Conclusion. Although below the 8% hyperendemic threshold, the HBsAg prevalence observed in pregnant women in Vientiane reflects a high risk of HBV perinatal transmission and call for a widespread infant immunization with an HBV vaccine birth dose.

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JÄGER, PETER. "Asian species of the genera Anahita Karsch 1879, Ctenus Walckenaer 1805 and Amauropelma Raven, Stumkat & Gray 2001(Arachnida: Araneae: Ctenidae)." Zootaxa 3429, no. 1 (August 20, 2012): 1. http://dx.doi.org/10.11646/zootaxa.3429.1.1.

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Specimens of the spider family Ctenidae from South, East and Southeast Asia were examined. Thirteen new species aredescribed: Anahita jinsi spec. nov. (male, female; China, Sichuan); Ctenus martensi spec. nov. (male; Nepal), Ctenuscladarus spec. nov. (male; Burma), Ctenus theodorianum spec. nov. (male, female; Laos, Oudomxai), Ctenus lishuqiangspec. nov. (female; China, Sichuan), Ctenus holthoffi spec. nov. (male, female; Laos, Champasak), Ctenus bayeri spec.nov. (male; Laos, Champasak); Amauropelma beyersdorfi spec. nov. (male; India, Himachal Pradesh), Amauropelmastaschi spec. nov. (male; India, Uttar Pradesh), Amauropelma ekeftys spec. nov. (male, ?female; India, Meghalaya),Amauropelma hoffmanni spec. nov. (male, female; Laos, Luang Nam Tha), Amauropelma jagelkii spec. nov. (male,female; Laos, Luang Prabang), Amauropelma annegretae spec. nov. (male, female; Laos, Luang Prabang). Ctenus simplexThorell 1897 (Luang Prabang, Vientiane) and C. robustus Thorell 1897 (Luang Nam Tha, Luang Prabang) are recordedfor the first time from Laos, and the female of C. simplex is described for the first time. Ctenus ramosus Thorell 1887, C.robustus and C. palembangensis Strand 1906 as well as internal copulatory structures of Anahita fauna Karsch 1879 areillustrated for the first time. Anahita feai (F.O. Pickard-Cambridge 1902) comb. nov., A. jucunda (Thorell 1897) comb.nov., A. denticulata (Simon 1884) comb. nov., A. smythiesi (Simon 1897) comb. nov. and Amauropelma fungifer (Thorell1890) comb. nov. are transferred from the genus Ctenus. The nomina nova “Ctenus karschi” and “Ctenus tamerlani” proposed by Roewer (1951) are recognised as unavailable and thus invalid names.

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Becchetti, Catherine. "Laos. Difficultés et enjeux de la conservation du patrimoine au Laos (Colloque EFEO de Vientiane, 12-15 fév 1996)." Bulletin de l'Ecole française d'Extrême-Orient 83, no. 1 (1996): 357–63. http://dx.doi.org/10.3406/befeo.1996.3804.

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Chanthavilay, Minaphone, Hongtao Wang, Wang Ying, and Fengting Li. "ASSESSMENT OF WASTEWATER TREATMENT IN DEVELOPING COUNTRIES CURRENT PRACTICES IN VIENTIANE CAPITAL, LAOS." International Journal of Advanced Research 5, no. 4 (April 30, 2017): 335–44. http://dx.doi.org/10.21474/ijar01/3816.

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39

Syhavong, Bounkong, Bouachanh Rasachack, Lee Smythe, Jean-Marc Rolain, Anne-Marie Roque-Afonso, Kemajittra Jenjaroen, Vimone Soukkhaserm, et al. "The infective causes of hepatitis and jaundice amongst hospitalised patients in Vientiane, Laos." Transactions of the Royal Society of Tropical Medicine and Hygiene 104, no. 7 (July 2010): 475–83. http://dx.doi.org/10.1016/j.trstmh.2010.03.002.

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PHETSOUVANH, RATTANAPHONE, VALY KEOLOUANGKOT, JIM CAMPBELL, KHONESAVANH LUANGXAY, MAYFONG MAYXAY, SAYADETH RATTANAVONG, SENGMANIVONG KHOUNNORATH, et al. "CAUSES OF COMMUNITY-ACQUIRED BACTEREMIA AND PATTERNS OF ANTIMICROBIAL RESISTANCE IN VIENTIANE, LAOS." American Journal of Tropical Medicine and Hygiene 75, no. 5 (November 1, 2006): 978–85. http://dx.doi.org/10.4269/ajtmh.2006.75.978.

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41

Loue, S., K. Bounlu, V. Pholsena, and T. D. Mastro. "HIV seroprevalence and HIV-1 subtype E among pregnant women in Vientiane, Laos." AIDS 12, no. 11 (July 1998): 1403. http://dx.doi.org/10.1097/00002030-199811000-00032.

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Dommen, Arthur J., and George W. Dalley. "The OSS in Laos: The 1945 Raven Mission and American Policy." Journal of Southeast Asian Studies 22, no. 2 (September 1991): 327–46. http://dx.doi.org/10.1017/s002246340000391x.

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In September 1945, the U.S. Office of Strategic Services (OSS) headquarters in Kunming dispatched a mission to Laos. The purpose and composition of the mission were described on the first page of the mission's report as follows:The Raven Mission was put on by OSS in cooperation with AGAS [Air Ground Aid Section], and parachuted near Vientiane, French Indo-China on 16 September 1945 for Prisoner of War relief work. This mission was activated following a request by G-5 SOS. The mission was composed of the following personnel: Major [Aaron] Bank, Mission Leader; Major [Charles] Holland, Executive Officer; Lt. [Alger] Ellis, Asst. Executive Officer; Lt. Phelan, AGAS Representative; Lt. [B. Hugh] Tovar, Reports Officer; Lt. Reese, Reports Officer; T/5 McKowan, Radio Operator; T/5 Blandin, Medic; Lao Trug [Luu], Interpreter.

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Phonetip, Khamtan, Graham Ian Brodie, Douangta Bouaphavong, Latsamy Boupha, and Somxay Khambouddaphan. "Drying Tectona grandis boards using the simulating solar kiln conditions technique." BioResources 15, no. 4 (October 15, 2020): 9075–87. http://dx.doi.org/10.15376/biores.15.4.9075-9087.

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Timber cracking, drying stress residuals, and the change of moisture content profile were investigated during the drying of Tectona grandis boards in a conventional laboratory kiln. The study applied a technique that simulated solar kiln conditions using a conventional laboratory kiln to dry timber, based on Vientiane’s climatic conditions (Laos). The theoretical recharge and discharge model was used to generate the potential drying schedule for the Vientiane area; then the drying schedule was mimicked in a conventional laboratory kiln. Timber cracking and drying stress residual were monitored and measured using Image J software, and the change of moisture content profile was determined, based on the oven dry method. Measured moisture content data were compared with the theoretical drying model. The results showed that teak boards, of 25 mm thick, had no cracking. The drying stress residual was 0.8 ± 0.3 mm with the maximum of 1.53 mm. The initial average moisture content of 62% decreased to 12% within 16 d, while the case and core moisture contents reached 12% and 14%, respectively. The drying model described the changes of moisture content profile during drying, with a maximal error of 5%.

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Bowring, Anna L., Nakhornphet Pasomsouk, Peter Higgs, Vanphanom Sychareun, Margaret Hellard, and Robert Power. "Factors Influencing Access to Sexual Health Care Among Behaviorally Bisexual Men in Vientiane, Laos." Asia Pacific Journal of Public Health 27, no. 8 (November 2015): 820–34. http://dx.doi.org/10.1177/1010539515612909.

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45

Ditrich, O., V. Na¡incová, T. Scholz, and M. Giboda. "Larval stages of medically important flukes (Trematoda) from Vientiane province, laos. Part II. cercariae." Annales de Parasitologie Humaine et Comparée 67, no. 3 (1992): 75–81. http://dx.doi.org/10.1051/parasite/199267375.

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46

Vongpraseuth, Thanousorn, and Chang Gyu Choi. "Globalization, foreign direct investment, and urban growth management: Policies and conflicts in Vientiane, Laos." Land Use Policy 42 (January 2015): 790–99. http://dx.doi.org/10.1016/j.landusepol.2014.10.003.

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SCHNEIDER, NICOLE, TRUONG QUANG NGUYEN, ANDREAS SCHMITZ, PHOUTHONE KINGSADA, MARKUS AUER, and THOMAS ZIEGLER. "A new species of karst dwelling Cyrtodactylus (Squamata: Gekkonidae) from northwestern Laos." Zootaxa 2930, no. 1 (June 27, 2011): 1. http://dx.doi.org/10.11646/zootaxa.2930.1.1.

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We describe a new species of the gekkonid genus Cyrtodactylus from northwestern Laos, based on a recent collection from Vientiane Province. Cyrtodactylus pageli sp. n. is distinguished from the remaining bent-toed-geckos by the combination of the following characters: snout-vent length up to 81.8 mm; 9–12 supralabials; 9 infralabials; 9–14 rows of dorsal tubercles; no distinct lateral body fold; 41–46 midbody ventrals; precloacal pores present in both sexes (males 4, females 5 or 6); no precloacal groove; femoral scales not distinctly enlarged; no femoral pores; subdigital lamellae under the fourth toe 19–26; subcaudals transversally enlarged; dark nuchal band, followed by a transversal row of dark neck blotches (rarely forming an additional transversal neck band) in-between nuchal band and first body band; 5 in part irregular dark dorsal bands between limb insertions plus transversal band between hind limbs; tail with banded pattern.

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48

Faichia, Cheechouyang, Zhijun Tong, Jiquan Zhang, Xingpeng Liu, Emmanuel Kazuva, Kashif Ullah, and Bazel Al-Shaibah. "Using RS Data-Based CA–Markov Model for Dynamic Simulation of Historical and Future LUCC in Vientiane, Laos." Sustainability 12, no. 20 (October 13, 2020): 8410. http://dx.doi.org/10.3390/su12208410.

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Land use/cover change (LUCC) is one of the causes of global climate and environmental change. Understanding rapid LUCC in urbanized areas is vital for natural resources management for sustainable development. This study primarily considered Vientiane, the capital of Laos, which experienced rapid LUCC due to both natural and anthropogenic factors. The study used geographical information system (GIS) combined with ERDAS and TerrSet technologies to objectively process the ground surveyed and remotely obtained data in order to investigate the historical LUCC as well as predict future LUCC in the study area during the periods of 1995–2018 and 2030–2050, respectively. A comprehensive list of assessment factors comprised of both natural and anthropogenic factors was used for analysis using the cellular automata–Markov (CA–Markov) model. The results show a historical loss of intact forest of 24.36% and of bare land of 1.01%. There were also tremendous increases in degraded forest (11.36%), agricultural land (8.91%), built-up areas (4.49%) and water bodies (1.16%). Finally, the LUCC prediction results indicate the conversion of land use from one type to another, particularly from natural to anthropogenic use, in the near future. These changes demonstrate that the losses associated with ecosystem services will destructively impact human wellbeing in the city and other areas of the country. The study results provide the basic scientific knowledge for LUCC planners, urban designers and natural resources managers. They serve as a decision-making support tool for the establishment of sustainable land resource utilization policies in Vientiane and other cities of similar conditions.

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Rattanavong, Sayaphet, Vanaporn Wuthiekanun, Sayan Langla, Premjit Amornchai, Joy Sirisouk, Rattanaphone Phetsouvanh, Catrin E. Moore, Sharon J. Peacock, Yves Buisson, and Paul N. Newton. "Randomized Soil Survey of the Distribution ofBurkholderia pseudomalleiin Rice Fields in Laos." Applied and Environmental Microbiology 77, no. 2 (November 12, 2010): 532–36. http://dx.doi.org/10.1128/aem.01822-10.

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ABSTRACTMelioidosis is a major cause of morbidity and mortality in Southeast Asia, where the causative organism (Burkholderia pseudomallei) is present in the soil. In the Lao People's Democratic Republic (Laos),B. pseudomalleiis a significant cause of sepsis around the capital, Vientiane, and has been isolated in soil near the city, adjacent to the Mekong River. We explored whetherB. pseudomalleioccurs in Lao soil distant from the Mekong River, drawing three axes across northwest, northeast, and southern Laos to create nine sampling areas in six provinces. Within each sampling area, a random rice field site containing a grid of 100 sampling points each 5 m apart was selected. Soil was obtained from a depth of 30 cm and cultured forB. pseudomallei. Four of nine sites (44%) were positive forB. pseudomallei, including all three sites in Saravane Province, southern Laos. The highest isolation frequency was in east Saravane, where 94% of soil samples wereB. pseudomalleipositive with a geometric mean concentration of 464 CFU/g soil (95% confidence interval, 372 to 579 CFU/g soil; range, 25 to 10,850 CFU/g soil). At one site in northwest Laos (Luangnamtha), only one sample (1%) was positive forB. pseudomallei, at a concentration of 80 CFU/g soil. Therefore,B. pseudomalleioccurs in Lao soils beyond the immediate vicinity of the Mekong River, alerting physicians to the likelihood of melioidosis in these areas. Further studies are needed to investigate potential climatic, soil, and biological determinants of this heterogeneity.

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Suhardiman, Diana, Paul Pavelic, Oulavanh Keovilignavong, and Mark Giordano. "Putting farmers’ strategies in the centre of agricultural groundwater use in the Vientiane Plain, Laos." International Journal of Water Resources Development 36, no. 1 (December 7, 2018): 149–69. http://dx.doi.org/10.1080/07900627.2018.1543116.

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