Inho Yang
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View article: Optimizing interlayer thickness for enhanced performance and chemical durability in sandwich-structured PEM fuel cells
Optimizing interlayer thickness for enhanced performance and chemical durability in sandwich-structured PEM fuel cells Open
View article: Diversity and metabolic potential of culturable marine actinomycetes from the sediment of Amundsen Sea, Antarctica
Diversity and metabolic potential of culturable marine actinomycetes from the sediment of Amundsen Sea, Antarctica Open
The Antarctic marine environment is a promising region for the discovery of extraordinary microbial taxa and the exploration of their applications. This study aimed to investigate the phylogenetic diversity of culturable actinomycetes from…
View article: Diversity and composition of sponge-associated microbiomes from Korean sponges revealed by full-length 16S rRNA analysis
Diversity and composition of sponge-associated microbiomes from Korean sponges revealed by full-length 16S rRNA analysis Open
Marine sponges host diverse and specialized microbial communities that serve essential functions in nutrient cycling, ecosystem stability, and biotechnological applications. This study investigates the diversity and composition of sponge-a…
View article: Effects of glucose oxidase and probiotics (<i>Lactobacillussubtilis, Bacillus licheniformis</i>) on growth performance, intestinalmicrovillus morphology and microfold cells in nursery pigs
Effects of glucose oxidase and probiotics (<i>Lactobacillussubtilis, Bacillus licheniformis</i>) on growth performance, intestinalmicrovillus morphology and microfold cells in nursery pigs Open
View article: Optimizing Interlayer Thickness for Enhanced Performance and Chemical Durability in Sandwich-Structured Pem Fuel Cells
Optimizing Interlayer Thickness for Enhanced Performance and Chemical Durability in Sandwich-Structured Pem Fuel Cells Open
View article: Exploring the Design of Virtual Software for Fire Safety Education in Senior Elementary School Students
Exploring the Design of Virtual Software for Fire Safety Education in Senior Elementary School Students Open
Education increasingly recognizes that traditional teaching methods may not sufficiently engage students. This study primarily focuses on the development of the game fire education. This research uses descriptive quantitative methods to de…
View article: Diversity and Bioactivities of Ulleung Island-Derived Marine Actinomycetes
Diversity and Bioactivities of Ulleung Island-Derived Marine Actinomycetes Open
Actinomycetes are key producers of bioactive secondary metabolites. In this study, sediment samples were collected using a grab sampler from the coast of Ulleung Island and inoculated on various agar media by stamping to isolate Actinomyce…
View article: Plant proteins, peptides, and non-protein amino acids: Toxicity, sources, and analysis
Plant proteins, peptides, and non-protein amino acids: Toxicity, sources, and analysis Open
Plants have evolved various mechanisms to synthesize diverse range of substances that contribute to their survival against pests, pathogens, predators, and adverse environmental conditions. Although several plant metabolites possess therap…
View article: Anithiactin D, a Phenylthiazole Natural Product from Mudflat-Derived Streptomyces sp., Suppresses Motility of Cancer Cells
Anithiactin D, a Phenylthiazole Natural Product from Mudflat-Derived Streptomyces sp., Suppresses Motility of Cancer Cells Open
Anithiactin D (1), a 2-phenylthiazole class of natural products, was isolated from marine mudflat-derived actinomycetes Streptomyces sp. 10A085. The chemical structure of 1 was elucidated based on the interpretation of NMR and MS data. The…
View article: Three Novel Diterpenoids, Plectalibertellenones A-C, Isolated from Endolichenic Fungi Pseudoplectania Sp. El000327
Three Novel Diterpenoids, Plectalibertellenones A-C, Isolated from Endolichenic Fungi Pseudoplectania Sp. El000327 Open
View article: Marine mudflat actinomycetes as a novel natural products source
Marine mudflat actinomycetes as a novel natural products source Open
A mudflat is a type of intertidal zone that is alternately affected by terrestrial and marine environments. We searched for examples of research related to the discovery of secondary metabolites in actinomycetes originating from mudflats. …
View article: First confirmed report of Nassarius sinarum (Mollusca, Gastropoda) in Korea
First confirmed report of Nassarius sinarum (Mollusca, Gastropoda) in Korea Open
The marine gastropod mollusc Nassarius sinarum has attracted attention due to its status as a potential invasive species and the ecological impact it may have on local environments and the fishing industry. It was observed exclusively with…
View article: Alkaloids in food: a review of toxicity, analytical methods, occurrence and risk assessments
Alkaloids in food: a review of toxicity, analytical methods, occurrence and risk assessments Open
View article: Marinobazzanan, a Bazzanane-Type Sesquiterpenoid, Suppresses the Cell Motility and Tumorigenesis in Cancer Cells
Marinobazzanan, a Bazzanane-Type Sesquiterpenoid, Suppresses the Cell Motility and Tumorigenesis in Cancer Cells Open
Marinobazzanan (1), a new bazzanane-type sesquiterpenoid, was isolated from a marine-derived fungus belonging to the genus Acremonium. The chemical structure of 1 was elucidated using NMR and mass spectroscopic data, while the relative con…
View article: First reliable report of the Nassarius sinarum (Mollusca, Gastropoda) from Korea as an invasive species
First reliable report of the Nassarius sinarum (Mollusca, Gastropoda) from Korea as an invasive species Open
Two live specimens of the mud snail, Nassarius sinarum , was collected from the Yeongsan River estuary in Jeollanam-do, Korea, during June 2022. The species was identified based on its morphology and DNA barcoding. Morphological descriptio…
View article: A Medicinal Halophyte Ipomoea pes-caprae (Linn.) R. Br.: A Review of Its Botany, Traditional Uses, Phytochemistry, and Bioactivity
A Medicinal Halophyte Ipomoea pes-caprae (Linn.) R. Br.: A Review of Its Botany, Traditional Uses, Phytochemistry, and Bioactivity Open
Ipomoea pes-caprae (Linn.) R. Br. (Convolvulaceae) is a halophytic plant that favorably grows in tropical and subtropical countries in Asia, America, Africa, and Australia. Even though this plant is considered a pan-tropical plant, I. pes-…
View article: Antibacterial Meroterpenoids, Merochlorins G–J from the Marine Bacterium Streptomyces sp.
Antibacterial Meroterpenoids, Merochlorins G–J from the Marine Bacterium Streptomyces sp. Open
Four new chlorinated meroterpenoids, merochlorins G−J (1−4), and 10, a dihydronaphthalenedione precursor, along with known merochlorins A (5) and C−F (6−9), were obtained from cultivation of the bacterium strain Streptomyces sp. CNH-189, w…
View article: Antibacterial Bicyclic Fatty Acids from a Korean Colonial Tunicate Didemnum sp.
Antibacterial Bicyclic Fatty Acids from a Korean Colonial Tunicate Didemnum sp. Open
Five new bicyclic carboxylic acids were obtained by antibacterial activity-guided isolation from a Korean colonial tunicate Didemnum sp. Their structures were elucidated by the interpretation of NMR, MS and CD spectroscopic data. They all …
View article: Chemical Structure and Biological Activities of Secondary Metabolites from Salicornia europaea L.
Chemical Structure and Biological Activities of Secondary Metabolites from Salicornia europaea L. Open
Salicornia europaea L. is a halophyte that grows in salt marshes and muddy seashores, which is widely used both as traditional medicine and as an edible vegetable. This salt-tolerant plant is a source of diverse secondary metabolites with …
View article: Molecular identification of Ergalatax contracta from Yeongdo island, Korea
Molecular identification of Ergalatax contracta from Yeongdo island, Korea Open
The current study reports the cytochrome oxidase subunit 1 sequence of Gastropoda Ergalatax contracta from Busan, Korea. Four specimens were collected and extracted to obtain genomic DNA for the sequencing analysis. This is the first E. co…
View article: Discrimination of Lycium chinense and L. barbarum Based on Metabolite Analysis and Hepatoprotective Activity
Discrimination of Lycium chinense and L. barbarum Based on Metabolite Analysis and Hepatoprotective Activity Open
Lycii Fructus is a traditional medicine used to prevent liver and kidney diseases, which commonly derives from Lycium chinense and Lycium barbarum. Here, the extracts and ethyl acetate-soluble fractions of L. chinense fruits exhibited bett…
View article: Antaroide, a Novel Natural Nine-Membered Macrolide, Inhibits Melanin Biosynthesis in B16F10 Murine Melanoma Cells
Antaroide, a Novel Natural Nine-Membered Macrolide, Inhibits Melanin Biosynthesis in B16F10 Murine Melanoma Cells Open
). The chemical structure was established through the interpretation of MS, UV, and NMR spectroscopic data. Antaroide is a nine-membered macrolide with lactone and lactam moieties. To investigate its applicability in skin whitening cosmeti…
View article: Marine natural products with monoamine oxidase (MAO) inhibitory activity
Marine natural products with monoamine oxidase (MAO) inhibitory activity Open
This is the first review to investigate the potential of marine natural products as MAOIs source. Despite the small number of known MAOIs from marine sources, marine natural products are potential leads for the further development of MAOI …
View article: Acremonidin E produced by Penicillium sp. SNF123, a fungal endophyte of Panax ginseng, has antimelanogenic activities
Acremonidin E produced by Penicillium sp. SNF123, a fungal endophyte of Panax ginseng, has antimelanogenic activities Open
View article: Mycousfurans A and B, Antibacterial Usnic Acid Congeners from the Fungus Mycosphaerella sp., Isolated from a Marine Sediment
Mycousfurans A and B, Antibacterial Usnic Acid Congeners from the Fungus Mycosphaerella sp., Isolated from a Marine Sediment Open
Mycousfurans (1 and 2), two new usnic acid congeners, along with (−)-mycousnine (3), (−)-placodiolic acid (4), and (+)-usnic acid (5), were isolated using high-performance liquid chromatography-ultraviolet (HPLC-UV)-guided fractionation of…
View article: Saccharoquinoline, a Cytotoxic Alkaloidal Meroterpenoid from Marine-Derived Bacterium Saccharomonospora sp.
Saccharoquinoline, a Cytotoxic Alkaloidal Meroterpenoid from Marine-Derived Bacterium Saccharomonospora sp. Open
A cytotoxic alkaloidal meroterpenoid, saccharoquinoline (1), has been isolated from the fermentation broth of the marine-derived bacterium Saccharomonospora sp. CNQ-490. The planar structure of 1 was elucidated by 1D, 2D NMR, and MS spectr…
View article: Scalalactams A–D, Scalarane Sesterterpenes with a γ-Lactam Moiety from a Korean Spongia Sp. Marine Sponge
Scalalactams A–D, Scalarane Sesterterpenes with a γ-Lactam Moiety from a Korean Spongia Sp. Marine Sponge Open
Intensive study on the chemical components of a Korean marine sponge, Spongia sp., has led to the isolation of four new scalarane sesterterpenes, scalalactams A–D (1–4). Their chemical structures were elucidated from the analysis of spectr…
View article: Decursin and Z-Ligustilide in Angelica tenuissima Root Extract Fermented by Aspergillus oryzae Display Anti-Pigment Activity in Melanoma Cells
Decursin and Z-Ligustilide in Angelica tenuissima Root Extract Fermented by Aspergillus oryzae Display Anti-Pigment Activity in Melanoma Cells Open
The anti-melanogenic effects of the extract of Angelica tenuissima (AT) root and the extract of AT root fermented by Aspergillus oryzae (FAT) were investigated. These effects were determined by measuring the inhibitory activi…
View article: Antartin, a Cytotoxic Zizaane-Type Sesquiterpenoid from a Streptomyces sp. Isolated from an Antarctic Marine Sediment
Antartin, a Cytotoxic Zizaane-Type Sesquiterpenoid from a Streptomyces sp. Isolated from an Antarctic Marine Sediment Open
Antartin (1), a new zizaane-type sesquiterpene, was isolated from Streptomyces sp. SCO736. The chemical structure of 1 was assigned from the interpretation of 1D and 2D NMR in addition to mass spectrometric data. The relative stereochemist…
View article: A New Secondary Metabolite from Korean Traditional Herb Plant <i>Hovenia dulcis</i>
A New Secondary Metabolite from Korean Traditional Herb Plant <i>Hovenia dulcis</i> Open
Investigation of chemical compounds from the butanol soluble layer of the traditional herb Hovenia dulcis has led to the isolation of a new compound, identified as 2-methoxybenzoic acid-5- O-α-L-rhamnopyranoside (1), along with three known…