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Browsing The Institute of Marine Science by Issue Date

Now showing items 1-20 of 332

Adsorption and Desorption of Mercury by Bangpakong River Sediments as Influenced by Salinities

Waewtaa Thongra-ar; Preeda Parkpoin; Ronald D. DeLaune; Aroon Jugsujinda (2001)

Mercury adsorption and desorption by Bangpakong River sediments (pH range 6.8-7.8) of Thailand were investigated at salinity levels of 0, 5, 15 and 30@1000 using a batch equilibration techniques. Using Freundlich isotherm ...
Tetillapyrone and Nortetillapyrone, Two Unusual Hydroxypyran-2-Ones From the Marine Sponge Tetilla Japonica.

Rawiwan Watanadilok; Anake Kijjoa; Werner Herz; Pichai Sonchaeng; Artur MS Silva; Ana Margarida Damas; Luis Gales (2001)

Extraction of the marine sponge Tetilla japonica from the Bay of Thailand furnished tetillapyrone and nortetillapyrone, two unusual tetrahydrofurylhydroxypyran-2-ones, whose structures were established by NMR spectrometry ...
Ecdysteroids from a Zoanthus sp.

Apichart Suksamrarn; Aroon Jankam; Bongkoch Tarnchompoo (2001)

A new ecdysteroid, zoanthusterone, has been isolated from a marine zoanthid, Zoanthus sp. Ten known ecdysteroids, ponasterone A, 20-hydroxyecdysone 2-acetate, viticosterone E, integristerone A 25-acetate, 2-deoxy-20-hydr ...
11,17-Dideoxyagelorin A and B, New Bromotyrosine Derivatives and Analogs from the Marine Sponge Suberea aff. praetensa.

Rawiwan Watanadilok; Anake Kijjoa; Werner Herz; Graham Eaton; Pichai Sonchaeng; Artur MS Silva (2001)

A collection of the marine sponge Suberea aff. praetensa from the Gulf of Thailand furnished the bromotyrosine derivatives fistularin-3, agelorins A and B and the new desoxyagelorins A and B
Further halotyrosine derivatives from the marine sponge Suberea aff. praetensa

Rawiwan Watanadilok; Pichan Sawangwong; Institute of Marine Science; Anake Kijjoa; Werner Herz; Maria são josé Nascimento; Madalena Pedro; Graham Eaton; Pichai Sonchaeng; Artur MS Silva (2002)

Reexamination of the marine sponge Suberea aff. praetensa, (Row) from the Gulf of Thailand furnished in addition to bromotyrosine derivatives found previously 5-bromo- and 5-chlorocavernicolin, cavernicolins 1 and 2, two ...
Survival of Faecal Indicator Bacteria in Tropical Estuarine Waters (Bangpakong River, Thailand).

Chutiwan Dechsakulwatana; Ratiwun Onrassami; A.A. Bordalo (2002)

Aims: To investigate the survival of cultivable bacteria in the tropical Bangpakong estuary (Eastern Thailand) under different salinities and light conditions. Methods and Results: Dark and light microcosm experiments ...
Clionasterol: a potent inhibitor of complement component C1.

Anake Kijjoa; Madalena Pinto; Maria são josé Nascimento; Rawiwan Watanadilok; Pichai Sonchaeng; Fátima Cerqueira; Henriette QuarlesVan Ufford; Burt Kroes; Cees Beukelman (2003)

Clionasterol (1a), clionasterol monoacetate (1b) and 5alpha,8alpha-epidioxy-24alpha-ethylcholest-6-en-3-ol (2), isolated from the marine sponge Xestospongia exigua, and beta-sitosterol (3) were tested for their influence ...
Inorganic nitrogen compound removal efficiency of an added initial bacterium in the biological filtration system

Pattana Poonpium; Jittra Teeramaethee (2003)

The efficiency of inorganic nitrogen compound removal using Nitrosomonas sp. strain P-1 was investigated in a filtering system. Bacterial cell densities and concentrations of inorganic nitrogen compounds including ammonia, ...
Comparative Growth Performance of Early Juvenile Haliotis asinina fed Various Artificial Diets

Saowapa Sawatpeera; Yaowaluk Chitramvong; Pichai Sonchaeng; Maleeya Kruatrachue; Suchart Upatham; Suchart Sangpradub (2004)

The purpose of this study was to compare artificial diets for early juvenile abalone, Haliotis asinina, containing different sources of protein. Juvenile H. asinina with mean initial shell length of 5.3-5.6 mm were fed ...
A new species of Cladocroce Topsent, 1892 (Porifera, Haplosclerida) from the Gulf Thailand

Rob van Soest; Pichai Sonchaeng; Wallie H. De Weerdt; Sumatt Putchakarn (2004)

A new sponges species, Cladocroce burapha n.sp. (Chalinidae, Haplosclerida, Porifera) is described from Chonburi province, eastern coast of the Gulf of Thailand. The new species can be separated from other Cladocroce speices ...
Echinoderm Fauna of Thailand: History and Inventory Reviews

Pichai Sonchaeng; Sumatt Putchakarn (2004)

A comprehensive review of the literature on echinoderm recorded in Thai waters was carried out in order to obtain the correct number of species found in this area. From the study, it was found that the total numbers of ...
Holothurians (Holothuroidea : Echinodermate) of the Eastern Coast of Thailand

Arom Mucharin; Pichai Sonchaeng; Sumatt Putchakarn (2005)

Holothurians (Class Holothuroidea, Ph)'Ium Echinodcrmata) of the Eastern Coast of Thailand were intensively studied from the speciiriens collected from 4 marine habitats namely, coral reef, seagrass beJ, sandy and rocky ...
New Thai Record Holothuria (Stauropora) discrepans Semper 1868.

สุเมตต์ ปุจฉาการ; อารมณ์ มุจรินทร์ (2005)

Thirty-four species of holothurians belonging to fifteen genera have been investigated along the eastern coast of Thailand from 1998 to 2002.From this study found that one species that has not been previously reported in ...
Embryonic Development of Saddleback Anemonefish, Amphiprion polymnus, Linnaeus (1758).

Kannika Chatchavalvanich; Pisut Mungkornkarn; Sukjai Rattanayuvakorn; Amara Thongpan (2005)

The breeding pairs of saddleback anemonefish, Amphiprion polymnus Linnaeus (1758) were brought from the Gulf of Thailand and reared in the laboratory to observe their spawning behavior, eggs and embryonic development. The ...
Dibromotyrosine Derivatives, a Maleimide, Aplysamine-2 and Other Constituents of the Marine Sponge Pseudoceratina purpurea

Pichan Sawangwong; Anake Kijjoa; Werner Herz; Maria são josé Nascimento; Rawiwan Watanadilok; J´ulia Bessa; Madalena Pedro; Graham Eaton; Rob van Soest; Artur MS Silva (2005)

A collection of the marine sponge Pseudoceratina purpurea from the Gulf of Thailand furnished aplysamine-2, two new bromotyrosine derivatives purpuroceratic acids A and B, two known bromotyrosine derivatives, 3-maleimide-5-oxime ...
A new species of Orientomysis (Crustacea: Mysida: Mysidae) from the Gulf of Thailand

Khwanruan Pinkaew; Kashane Chalermwat; Kouki Fukuoka (2005)

A new species of mysidacean crustacean, Orientomysis calida, is described from the Gulf of Thailand. Orientomysis calida resembles O. leptura (Liu and Wang, 1980) but differs in that the second endopodal segment of the ...
Gonadal development and sex inversion in saddleback anemonefish Amphiprion polymnus Linnaeus (1758)

Kannika Chatchavalvanich; Pisut Mungkornkarn; Institute of Marine Science; Sukjai Rattanayuvakorn (2006)

Gonadal development and sex inversion of saddleback anemonefish, Amphiprion polymnus were described. One-month juveniles had sexually undifferentiated gonads with primordial germ cells aggregated in groups, while two- to ...
Pigmented actinomycetes from coastal areas and their bioactive secondary metabolites

Rattanaporn Srivibool.; Morakot Sukchotiratana. (2006)

Forty soil samples were collected from coastal areas of Chonburi, Rayong, and chanthaburi provinceses. These samples were pretreated at 55ºC for 15 min and 100 ºC for 1 h, respectivrly. They were subsequently made a series ...
Isolation and killing activities of algicidal bacteria on a diatom Skeletonema sp. and a dinoflagellate Noctiluca scintillans in Thailand

Chutiwan Dechsakulwatana; Khwanruan Pinkaew; Wanchai Wongsudawan; Institute of Marine Science; Fukami Kimio (2006)

An attempt of this study is to isolate and to investigate the algicidal bacteria that can be against the harmful algal blooms (HAB) and have killing activity by which bacteria are associated with the events and kill their ...
Species of Sargassum in the East Coast of the Gulf of Thailand

Thidarat Noiraksar; Tetsuro Ajisaka; Chatcharee Kaewsuralikhit (2006)

Four species of Sargassum are reported from the east coast of the Gulf of Thailand. They are Sargassum baccularia (Mertens) C.A. Agardh, S. binderi Sonder, S. oligocystum Montagne, and S. polycystum C.A. Agardh. The ...

Now showing items 1-20 of 332

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