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A new manzamine alkaloid, zamamidine D (1), was isolated from an Okinawan Amphimedon sp. marine sponge. The structure of zamamidine D (1) including the relative configuration was elucidated on the basis of spectroscopic data. Zamamidine D (1) is the first manzamine alkaloid possessing a 2,2'-methylenebistryptamine unit as the aromatic moiety instead of a β-carboline unit. Zamamidine D (1) showed antimicrobial activity against several bacteria and fungi.
This article was published in the following journal.
Name: Journal of natural products
A new β-carboline alkaloid ingenine E (4), along with three known metabolites annomontine (1), acanthomine A (2), and 1,2,3,4-tetrahydronorharman-1-one (3) were isolated from the Indonesian marine sp...
New N-sulfoureidylated lipopeptides, sulfolipodiscamides A-C (1-3), were isolated by gel filtration chromatography of the n-butanol fraction of the marine sponge Discodermia kiiensis. By extensive NMR...
Three new polyhydroxylated sterol derivatives topsensterols A-C (1-3) have been isolated from a marine sponge Topsentia sp. collected from the South China Sea. Their structures were elucidated by deta...
Ecological interactions in the marine environment are now recognized to be partly held by chemical cues produced by marine organisms. In particular, sponges are sessile animals thought to rely on the ...
A study of the chemical constituents from the Australian Sponge Hyrtios digitatus has provided a perspective on the connection between the chemistry and biology of the puupehenones, a unique and unusu...
The purpose of this study is to test whether bar coded surgical sponges can significantly increase the safety of operations, specifically by (1) reducing discrepancies and miscounts, (2) r...
The purpose of this study is to determine the safety and efficacy of the Collatamp G topical gentamicin collagen sponge (gentamicin sponge) combined with standard of care (daily wound care...
The purpose of the study is to show that Fibrocaps plus gelatin sponge is better than gelatin sponge alone in stopping mild to moderate bleeding in children having surgery
This is a long-term intervention study on the effects of marine n-3 PUFAs in renal transplantation. Our hypothesis is that patients treated with marine n-3 PUFA supplementation will have l...
The primary objective of this randomized, double-blind, placebo-controlled trial is to determine the efficacy and effectiveness of Ca and vitamin D supplementation provided daily throughou...
Sterile, gelatin-base surgical sponge applied topically as an adjunct to hemostasis when the control of bleeding by conventional procedures is ineffective to reduce capillary ooze or is impractical. (From AMA Drug Evaluations Annual, 1994, p797)
A pyrrolizidine alkaloid and a toxic plant constituent that poisons livestock and humans through the ingestion of contaminated grains and other foods. The alkaloid causes pulmonary artery hypertension, right ventricular hypertrophy, and pathological changes in the pulmonary vasculature. Significant attenuation of the cardiopulmonary changes are noted after oral magnesium treatment.
The sole genus in the family Methanospirillaceae whose organisms are progressively motile by means of polar, tufted flagella. They have been isolated from sewage-sludge and pear waste digesters as well as marine and non-marine habitats.
A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that are common in the marine environment and on the surfaces and in the intestinal contents of marine animals. Some species are bioluminescent and are found as symbionts in specialized luminous organs of fish.
Plugs or cylinders made of cotton, sponge, or other absorbent material. They are used in surgery to absorb fluids such as blood or drainage.