US Patents: | 5,306,706 - Perfume bases |
PubMed: | Sunscreening fungal pigments influence the vertical gradient of pendulous lichens in boreal forest canopies. |
PubMed: | Uncommon Chlorinated Xanthone and Other Antibacterial Compounds from the Lichen Cladonia incrassata. |
PubMed: | Release behavior and antibiofilm activity of usnic acid-loaded carboxylated poly(l-lactide) microparticles. |
PubMed: | Clastogenic effect of atranorin, evernic acid, and usnic acid on human lymphocytes. |
PubMed: | Acaricidal activity of usnic acid and sodium usnic acid against Psoroptes cuniculi in vitro. |
PubMed: | Usnic acid-loaded biocompatible magnetic PLGA-PVA microsphere thin films fabricated by MAPLE with increased resistance to staphylococcal colonization. |
PubMed: | Usnic acid and triacylglycerides production by the cultured lichen mycobiont of Ramalina celastri. |
PubMed: | Anionic form of usnic acid promotes lamellar to nonlamellar transition in DPPC and DOPC membranes. |
PubMed: | [Study on the chemical constituents of two lichen plants from Meng Mountain]. |
PubMed: | The synthesis, characterization, antimicrobial and antimutagenic activities of hydroxyphenylimino ligands and their metal complexes of usnic acid isolated from Usnea longissima. |
PubMed: | Antibacterial activity of lichen secondary metabolite usnic acid is primarily caused by inhibition of RNA and DNA synthesis. |
PubMed: | Dietary supplementation of usnic Acid, an antimicrobial compound in lichens, does not affect rumen bacterial diversity or density in reindeer. |
PubMed: | Topical antimicrobials for burn infections - an update. |
PubMed: | In vitro risk assessment of usnic acid compound. |
PubMed: | Anti-biofilm performance of three natural products against initial bacterial attachment. |
PubMed: | (+)-Usnic Acid-induced Myocardial Toxicity in Rats. |
PubMed: | [Chemical constituents from Usnea longgisima, a traditional mongolian medicine]. |
PubMed: | Antimicrobial Property of Extracts of Indian Lichen against Human Pathogenic Bacteria. |
PubMed: | Anionic polymers and 10 nm Fe₃O₄@UA wound dressings support human foetal stem cells normal development and exhibit great antimicrobial properties. |
PubMed: | [Enzyme immunoassay of usnic acid in lichens]. |
PubMed: | Antibacterial and antioxidant activity of lichen species Ramalina roesleri. |
PubMed: | Potential of lichen secondary metabolites against Plasmodium liver stage parasites with FAS-II as the potential target. |
PubMed: | A radical shift in the taxonomy of Lepraria s.l.: molecular and morphological studies shed new light on the evolution of asexuality and lichen growth form diversification. |
PubMed: | Usnic acid inhibits growth and induces cell cycle arrest and apoptosis in human lung carcinoma A549 cells. |
PubMed: | Inhibition of cytochrome P450s enhances (+)-usnic acid cytotoxicity in primary cultured rat hepatocytes. |
PubMed: | Seasonal and spatial variation in carbon based secondary compounds in green algal and cyanobacterial members of the epiphytic lichen genus Lobaria. |
PubMed: | Water Soluble Usnic Acid-Polyacrylamide Complexes with Enhanced Antimicrobial Activity against Staphylococcus epidermidis. |
PubMed: | Assessment of the genotoxicity and antigenotoxicity of (+)-usnic acid in V79 cells and Swiss mice by the micronucleus and comet assays. |
PubMed: | Comparative metabolite profiling and chemical study of Ramalina siliquosa complex using LC-ESI-MS/MS approach. |
PubMed: | [Development of novel drugs against influenza virus based on synthetic and natural compounds]. |
PubMed: | (+)-Usnic acid enamines with remarkable cicatrizing properties. |
PubMed: | Harmful effects of usnic acid on hepatic metabolism. |
PubMed: | Lichenic extracts and metabolites as UV filters. |
PubMed: | Antimicrobial and antibiofilm activity of secondary metabolites of lichens against methicillin-resistant Staphylococcus aureus strains from cystic fibrosis patients. |
PubMed: | [Chemical constituents from rhizome of Daphne papyracea var. crassiuscula]. |
PubMed: | Synthesis of a potent antimalarial agent through natural products conjugation. |
PubMed: | Occupational airborne contact dermatitis caused by usnic acid in a domestic worker. |
PubMed: | Proton-shuttling lichen compound usnic acid affects mitochondrial and lysosomal function in cancer cells. |
PubMed: | Biological Activities of Toninia candida and Usnea barbata Together with Their Norstictic Acid and Usnic Acid Constituents. |
PubMed: | Review article: herbal and dietary supplement hepatotoxicity. |
PubMed: | Anti-viral activity of (-)- and (+)-usnic acids and their derivatives against influenza virus A(H1N1)2009. |
PubMed: | Chemical composition of three Parmelia lichens and antioxidant, antimicrobial and cytotoxic activities of some their major metabolites. |
PubMed: | Membrane-damaging potential of natural L-(-)-usnic acid in Staphylococcus aureus. |
PubMed: | Interactive toxicity of usnic acid and lipopolysaccharides in human liver HepG2 cells. |
PubMed: | Antioxidative and cardiovascular-protective activities of metabolite usnic acid and psoromic acid produced by lichen species Usnea complanata under submerged fermentation. |
PubMed: | Proteomic study on usnic-acid-induced hepatotoxicity in rats. |
PubMed: | Influence of usnic acid and its derivatives on the activity of mammalian poly(ADP-ribose)polymerase 1 and DNA polymerase β. |
PubMed: | Usnic acid inhibits breast tumor angiogenesis and growth by suppressing VEGFR2-mediated AKT and ERK1/2 signaling pathways. |
PubMed: | Cytotoxic activity and antioxidant capacity of purified lichen metabolites: an in vitro study. |
PubMed: | Studies on nutritional requirement for the culture of lichen Ramalina nervulosa and Ramalina pacifica to enhance the production of antioxidant metabolites. |
PubMed: | Lichen secondary metabolites are responsible for induction of apoptosis in HT-29 and A2780 human cancer cell lines. |
PubMed: | Redox characterization of usnic acid and its cytotoxic effect on human neuron-like cells (SH-SY5Y). |
PubMed: | Inhibitory activity of Fe(3) O(4)/oleic acid/usnic acid-core/shell/extra-shell nanofluid on S. aureus biofilm development. |
PubMed: | In vitro interaction of usnic acid in combination with antimicrobial agents against methicillin-resistant Staphylococcus aureus clinical isolates determined by FICI and ΔE model methods. |
PubMed: | A new depsidone and antibacterial activities of compounds from Usnea undulata Stirton. |
PubMed: | Intraerythrocytic stages of Plasmodium falciparum biosynthesize vitamin E. |
PubMed: | Evaluation of portable Raman spectrometer with 1064 nm excitation for geological and forensic applications. |
PubMed: | Effect of usnic acid on Candida orthopsilosis and C. parapsilosis. |
PubMed: | Effects of usnic acid exposure on human hepatoblastoma HepG2 cells in culture. |
PubMed: | Mechanical effects, antimicrobial efficacy and cytotoxicity of usnic acid as a biofilm prophylaxis in PMMA. |
PubMed: | Characterisation of phenols and antioxidant and hypolipidaemic activities of Lethariella cladonioides. |
PubMed: | Chemical Composition, Antioxidant, and Antimicrobial Activities of Lichen Umbilicaria cylindrica (L.) Delise (Umbilicariaceae). |
PubMed: | A metabonomic characterization of (+)-usnic acid-induced liver injury by gas chromatography-mass spectrometry-based metabolic profiling of the plasma and liver in rat. |
PubMed: | Assessment of usnic acid toxicity in rat primary hepatocytes using ¹³C isotopomer distribution analysis of lactate, glutamate and glucose. |
PubMed: | Sensitivity of Xanthoria parietina to UV-A: role of metabolic modulators. |
PubMed: | Acute liver failure caused by 'fat burners' and dietary supplements: a case report and literature review. |
PubMed: | Review of liver injury associated with dietary supplements. |
PubMed: | Larvicidal activity of some secondary lichen metabolites against the mosquito Culiseta longiareolata Macquart (Diptera: Culicidae). |
PubMed: | Production of anti-Helicobacter pylori metabolite by the lichen-forming fungus Nephromopsis pallescens. |
PubMed: | Collagen-based films containing liposome-loaded usnic acid as dressing for dermal burn healing. |
PubMed: | Molecular structural studies of lichen substances with antimicrobial, antiproliferative, and cytotoxic effects from Parmelia subrudecta. |
PubMed: | Molecular clips and tweezers hosting neutral guests. |
PubMed: | In situ imaging of usnic acid in selected Cladonia spp. by vibrational spectroscopy. |
PubMed: | Analysis of salazinic, norstictic, and usnic acids in Xanthoparmelia chlorochroa by ultra-performance liquid chromatography/tandem mass spectrometry. |
PubMed: | Variable responses of different human cancer cells to the lichen compounds parietin, atranorin, usnic acid and gyrophoric acid. |
PubMed: | Prooxidant and antioxidant behaviour of usnic acid from lichens under UVB-light irradiation--studies on human cells. |
PubMed: | Antimycobacterial activity of usnic acid against resistant and susceptible strains of Mycobacterium tuberculosis and non-tuberculous mycobacteria. |
PubMed: | Pharmacological properties of lichen Cladonia clathrata. |
PubMed: | In vitro study of the inhibitory activity of usnic acid on dental plaque biofilm. |
PubMed: | Current results on biological activities of lichen secondary metabolites: a review. |
PubMed: | HPLC isolation of antioxidant constituents from Xanthoparmelia spp. |
PubMed: | Does usnic acid affect microtubules in human cancer cells? |
PubMed: | Antibacterial activities of Ramalin, usnic acid and its three derivatives isolated from the Antarctic lichen Ramalina terebrata. |
PubMed: | Comparison of the phytotoxic effects of usnic acid on cultures of free-living alga Scenedesmus quadricauda and aposymbiotically grown lichen photobiont Trebouxia erici. |
PubMed: | Cellular mechanisms of the anticancer effects of the lichen compound usnic acid. |
PubMed: | The Long-term Release of Antibiotics From Monolithic Nonporous Polymer Implants for Use as Tympanostomy Tubes. |
PubMed: | Human dermal fibroblast proliferation activity of usimine-C from Antarctic lichen Ramalina terebrata. |
PubMed: | Microbial degradation of usnic acid in the reindeer rumen. |
PubMed: | Anti-mutagenic lichen extract has double-edged effect on azoxymethane-induced colorectal oncogenesis in C57BL/6J mice. |
PubMed: | Protoplast isolation from cultured lichen Usnea ghattensis, their fusion with protoplasts of Aspergillus nidulans, fusant regeneration and production of usnic acid. |
PubMed: | Phytochemical investigation of the Australian lichens Ramalina glaucescens and Xanthoria parietina. |
PubMed: | [Oral acute toxicity of (+)-usnic acid in mice and its cytotoxicity in rat cardiac fibroblasts]. |
PubMed: | Antimycobacterial activity of lichen substances. |
PubMed: | [Studies on chemical constituents from herbs of Usnea longissima]. |
PubMed: | In vitrouptake and antimycobacterial activity of liposomal usnic acid formulation. |
PubMed: | Effect of (+)-usnic acid on mitochondrial functions as measured by mitochondria-specific oligonucleotide microarray in liver of B6C3F1 mice. |
PubMed: | In vitro anti-Helicobacter pylori activity of usnic acid. |
PubMed: | The chemoenzymatic synthesis of usnic acid. |
PubMed: | Lichen extracts. |
PubMed: | [In vitro effect of (+)-usnic acid on Toxoplasma gondii tachyzoites]. |
PubMed: | Usnic acid is a promising synergist for biopreparations based on entomopathogenic microorganisms. |
PubMed: | Antiproliferative effects on tumour cells and promotion of keratinocyte wound healing by different lichen compounds. |
PubMed: | Lichens--photophysical studies of potential new sunscreens. |
PubMed: | Elucidation of the complexation mechanism between (+)-usnic acid and cyclodextrins studied by isothermal titration calorimetry and phase-solubility diagram experiments. |
PubMed: | Lichen substances prevent lichens from nutrient deficiency. |
PubMed: | Novel chiral molecular tweezer from (+)-usnic acid. |
PubMed: | Lichen photobionts show tolerance against lichen acids produced by lichen mycobionts. |
PubMed: | Review of usnic acid and Usnea barbata toxicity. |
PubMed: | Preparation and characterization of copper(II) and nickel(II) complexes of a new chiral salen ligand derived from (+)-usnic acid. |
PubMed: | Down-regulatory effect of usnic acid on nuclear factor-kappaB-dependent tumor necrosis factor-alpha and inducible nitric oxide synthase expression in lipopolysaccharide-stimulated macrophages RAW 264.7. |
PubMed: | Evaluation of the antimicrobial activity of the acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid, norstictic acid, and protocetraric acid constituents. |
PubMed: | Raman spectroscopic identification of usnic acid in hydrothermal minerals as a potential Martian analogue. |
PubMed: | Dissociation and metal-binding characteristics of yellow lichen substances suggest a relationship with site preferences of lichens. |
PubMed: | [Studies on chemical constituents from Euonymus alatus II]. |
PubMed: | Synthesis and cytotoxic activities of usnic acid derivatives. |
PubMed: | Eubacterium rangiferina, a novel usnic acid-resistant bacterium from the reindeer rumen. |
PubMed: | Hepatotoxic slimming aids and other herbal hepatotoxins. |
PubMed: | Usimines A-C, bioactive usnic acid derivatives from the Antarctic lichen Stereocaulon alpinum. |
PubMed: | Cloning and sequence characterization of a non-reducing polyketide synthase gene from the lichen Xanthoparmelia semiviridis. |
PubMed: | Metabolism and related human risk factors for hepatic damage by usnic acid containing nutritional supplements. |
PubMed: | Insecticidal activity of major lichen compounds, (-)- and (+)-usnic acid, against the larvae of house mosquito, Culex pipiens L. |
PubMed: | Usnic acid controls the acidity tolerance of lichens. |
PubMed: | Quantitative determination of secondary metabolites in Cladina stellaris and other lichens by micellar electrokinetic chromatography. |
PubMed: | Toxicity of the lichen secondary metabolite (+)-usnic acid in domestic sheep. |
PubMed: | Production and bioactivity of common lichen metabolites as exemplified by Heterodea muelleri (Hampe) Nyl. |
PubMed: | Purification, identification and activity of phomodione, a furandione from an endophytic Phoma species. |
PubMed: | A new antifungal and antiprotozoal depside from the Andean lichen Protousnea poeppigii. |
PubMed: | Lichen secondary metabolites from the cultured lichen mycobionts of Teloschistes chrysophthalmus and Ramalina celastri and their antiviral activities. |
PubMed: | Usnea barbata extract prevents ultraviolet-B induced prostaglandin E2 synthesis and COX-2 expression in HaCaT keratinocytes. |
PubMed: | Forest successional stage affects the cortical secondary chemistry of three old forest lichens. |
PubMed: | [Investigation of the germicidal effect of usnic acid, betadine, savlosol, and desderman on the protoscolexes of lung hydatid cysts]. |
PubMed: | New Record of Lecanora muralis (Lichenized Fungus) in South Korea. |
PubMed: | In vitro cytotoxic activities of (+)-usnic acid and (-)-usnic acid on V79, A549, and human lymphocyte cells and their non-genotoxicity on human lymphocytes. |
PubMed: | Identification and quantitation of usnic acid from the lichen Usnea species of Anatolia and antimicrobial activity. |
PubMed: | The phenolic compounds in Cladonia lichens are not antimicrobial in soils. |
PubMed: | Screening of plant extracts for antimicrobial activity against bacteria and yeasts with dermatological relevance. |
PubMed: | Potent activity of the lichen antibiotic (+)-usnic acid against clinical isolates of vancomycin-resistant enterococci and methicillin-resistant Staphylococcus aureus. |
PubMed: | In vitro antimalarial activity of hyperforin, a prenylated acylphloroglucinol. A structure-activity study. |
PubMed: | New Record of Karoowia saxeti (Stizenb.) Hale in South Korea. |
PubMed: | Photosynthesis and water relations in tomato plants cultivated long-term in media containing (+)-usnic acid. |
PubMed: | Nanoencapsulation of usnic acid: An attempt to improve antitumour activity and reduce hepatotoxicity. |
PubMed: | Allergic contact dermatitis from a natural deodorant: a report of 4 cases associated with lichen acid mix allergy. |
PubMed: | Indole rings in palladium(II) complexes. Dual mode of metal binding and aromatic ring stacking causing syn-anti isomerism. |
PubMed: | A study of the genetic variability of Rhizoplaca chrysoleuca using DNA sequences and secondary metabolic substances. |
PubMed: | Experimental studies on the growth and usnic acid production in "lichen"Usnea ghattensis in vitro. |
PubMed: | [Plasmid elimination effect of usnic acid on antibiotic-resistant Staphylococcus aureus]. |
PubMed: | Effects of UV radiation on usnic acid in Xanthoparmelia microspora (Müll. Arg. Hale). |
PubMed: | Severe hepatotoxicity associated with use of a dietary supplement containing usnic acid. |
PubMed: | Determination of usnic acid in some Rhizoplaca species from Middle Anatolia and their antimicrobial activities. |
PubMed: | Determination of usnic acid in lichen toxic to elk by liquid chromatography with ultraviolet and tandem mass spectrometry detection. |
PubMed: | Antimicrobial activity and phytochemical studies of some lichens from south of Spain. |
PubMed: | Thermodynamic characterization of the prevailing molecular interactions in mixed floating monolayers of phospholipids and usnic acid. |
PubMed: | Solid-phase synthesis of polyfunctionalized natural products: application to usnic acid, a bioactive lichen compound. |
PubMed: | Quantitative determination of usnic acid in Usnea lichen and its products by reversed-phase liquid chromatography with photodiode array detector. |
PubMed: | Gastroprotective and antioxidant effects of usnic acid on indomethacin-induced gastric ulcer in rats. |
PubMed: | Liking lichens. |
PubMed: | [Acute hepatitis in a woman after intake of slimming pills bought via Internet]. |
PubMed: | Usnic acid: a non-genotoxic compound with anti-cancer properties. |
PubMed: | Beta-orcinol depsidones from the lichen Usnea sp. from Sri Lanka. |
PubMed: | [The study on skin wound healing promoting action of sodium usnic acid]. |
PubMed: | 'Fat burner' herb, usnic acid, induced acute hepatitis in a family. |
PubMed: | Raman spectroscopy of hot desert, high altitude epilithic lichens. |
PubMed: | Solubilization of poorly soluble lichen metabolites for biological testing on cell lines. |
PubMed: | Cytotoxic and apoptotic effects on hepatocytes of secondary metabolites obtained from lichens. |
PubMed: | Occupational allergic contact dermatitis from lichens in present-day Finland. |
PubMed: | Seasonal trends in usnic acid concentrations of Arctic, alpine and Patagonian populations of the lichen Flavocetraria nivalis. |
PubMed: | Anti-proliferative lichen compounds with inhibitory activity on 12(S)-HETE production in human platelets. |
PubMed: | Effect of usnic acid from the lichen Cladonia substellata on Trypanosoma cruzi in vitro: an ultrastructural study. |
PubMed: | Severe hepatotoxicity associated with the use of weight loss diet supplements containing ma huang or usnic acid. |
PubMed: | In vitro and in vivo properties of usnic acid encapsulated into PLGA-microspheres. |
PubMed: | Usnic acid, a natural antimicrobial agent able to inhibit bacterial biofilm formation on polymer surfaces. |
PubMed: | Cytotoxic activity of compounds from the lichen: Cladonia convoluta. |
PubMed: | The antimicrobial activity of extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents. |
PubMed: | Fulminant liver failure due to usnic acid for weight loss. |
PubMed: | Usnic acid-induced necrosis of cultured mouse hepatocytes: inhibition of mitochondrial function and oxidative stress. |
PubMed: | Hepatotoxic effect of (+)usnic acid from Usnea siamensis Wainio in rats, isolated rat hepatocytes and isolated rat liver mitochondria. |
PubMed: | Identification and quantitation of allelochemicals from the lichen Lethariella canariensis: phytotoxicity and antioxidative activity. |
PubMed: | Effects of ultraviolet radiation and PAR on the content of usnic and divaricatic acids in two arctic-alpine lichens. |
PubMed: | Impact of fertilisation on phenol content and growth rate of Cladina stellaris: a test of the carbon-nutrient balance hypothesis. |
PubMed: | Investigation by solid-phase microextraction and gas chromatography/mass spectrometry of secondary metabolites in lichens deposited on stone monuments. |
PubMed: | Solubilization of the lichen metabolite (+)-usnic acid for testing in tissue culture. |
PubMed: | Protection against UVB irradiation by natural filters extracted from lichens. |
PubMed: | Alysinol--a new triterpene from Alysicarpus monolifer. |
PubMed: | Usnic acid. |
PubMed: | Spectroscopic and structural characterization of copper(II) and palladium(II) complexes of a lichen substance usnic acid and its derivatives. Possible forms of environmental metals retained in lichens. |
PubMed: | Molecular characterization and action of usnic acid: a drug that inhibits proliferation of mouse polyomavirus in vitro and whose main target is RNA transcription. |
PubMed: | A review on usnic acid, an interesting natural compound. |
PubMed: | Influences of nitrogen sources on usnic acid production in a cultured Mycobiont of the lichen Usnea hirta (L.) Wigg. |
PubMed: | Reversed-polarity capillary zone electrophoretic analysis of usnic acid. |
PubMed: | Oxidative stress and usnic acid content in Parmelia caperata and Parmelia soredians (Lichenes). |
PubMed: | Anti-inflammatory activity of (+)-usnic acid. |
PubMed: | The phytotoxic lichen metabolite, usnic acid, is a potent inhibitor of plant p-hydroxyphenylpyruvate dioxygenase. |
PubMed: | Frullania dermatitis. |
PubMed: | Allergy to lichen acids in a fragrance. |
PubMed: | Euplectin and coneuplectin, new naphthopyrones from the lichen Flavoparmelia euplecta. |
PubMed: | The significance of lichens and their metabolites. |
PubMed: | [Preparation and antineoplastic activity of acylhydrazones of R- and S-usnic acid]. |
PubMed: | Some lichen products have antimicrobial activity. |
PubMed: | [A zinc sulfate and usnic acid preparation used as post-surgical adjuvant therapy in genital lesions by Human Papillomavirus]. |
PubMed: | Occurrence of usnic acid in Usnea laevis Nylander (lichenized ascomycetes) from the Venezuelan Andes. |
PubMed: | Lichen metabolites. 2. Antiproliferative and cytotoxic activity of gyrophoric, usnic, and diffractaic acid on human keratinocyte growth. |
PubMed: | Lichen metabolites. 1. Inhibitory action against leukotriene B4 biosynthesis by a non-redox mechanism. |
PubMed: | Antimycobacterial activity of lichen metabolites in vitro. |
PubMed: | Antimitotic effects of usnic acid on different biological systems. |
PubMed: | Activity of compounds isolated from Chilean lichens against experimental cutaneous leishmaniasis. |
PubMed: | (-)-Usnic acid and its derivatives. Their inhibition of fungal growth and enzyme activity. |
PubMed: | Lichen acids as uncouplers of oxidative phosphorylation of mouse-liver mitochondria. |
PubMed: | In vitro activities of the lichen secondary metabolites vulpinic acid, (+)-usnic acid, and (-)-usnic acid against aerobic and anaerobic microorganisms. |
PubMed: | Contact dermatitis from usnic acid in vaginal ovules. |
PubMed: | Screening of tissue cultures and thalli of lichens and some of their active constituents for inhibition of tumor promoter-induced Epstein-Barr virus activation. |
PubMed: | Usnic acid and diffractaic acid as analgesic and antipyretic components of Usnea diffracta. |
PubMed: | Sequestration of lichen compounds by three species of terrestrial snails. |
PubMed: | In vitro protein binding and tissue distribution of D(+) usnic acid. |
PubMed: | [Effect of Cladonia alpestris on Trichomonas vaginalis in vitro]. |
PubMed: | Analysis of Usnea fasciata crude extracts with antineoplastic activity. |
PubMed: | Alectosarmentin, a new antimicrobial dibenzofuranoid lactol from the lichen, Alectoria sarmentosa. |
PubMed: | Induction of murine cytochrome P4503A by the lichen constituents usnic and vulpinic acids. |
PubMed: | Pharmacokinetics of d(+)-usnic acid in rabbits after intravenous administration. |
PubMed: | An investigation of the allergenic constituents of Cladonia stellaris (Opiz) Pous & Vezda ('silver moss', 'reindeer moss' or 'reindeer lichen'). |
PubMed: | Contributions to the complex study of some lichens-Usnea genus. Pharmacological studies on Usnea barbata and Usnea hirta species. |
PubMed: | Pharmacokinetics of D(+)-usnic acid in rabbits after intravenous and oral administration. |
PubMed: | Chemical Constituents of the Lichen Ramalina hierrensis. |
PubMed: | High-performance liquid chromatographic determination of usnic acid in plasma. |
PubMed: | Mitodepressive, clastogenic and biochemical effects of (+)-usnic acid in mice. |
PubMed: | [Additional contribution to the study of the antimicrobial activity and identification of lichenic substances in some lichens from southern Spain]. |
PubMed: | Usnic acid revisited, its activity on oral flora. |
PubMed: | Niebla ceruchis from Laguna Figueroa: dimorphic spore morphology and secondary compounds localized in pycnidia and apothecia. |
PubMed: | Equivalence between Pfr and Cyclic AMP in the Induction of d-Usnic Acid Dehydrogenase in the Lichen Evernia prunastri. |
PubMed: | The occurrence of lichen phenolics in the photobiont cells of Evernia prunastri. |
PubMed: | [Allergic contact eczema caused by usnic acid in deoderant sprays]. |
PubMed: | Purification and Properties of the Constitutive Arginase of Evernia prunastri. |
PubMed: | Mutagenicity of lichen constituents. |
PubMed: | [A method for the fluorimetric determination of usnic acid in pharmaceutical preparations]. |
PubMed: | L-usnate-urease interactions: binding sites for polymerization. |
PubMed: | L-usnate-urease interactions: binding sites for the ligand. |
PubMed: | Binding studies of L-usnic acid to D-fructose-6-P aminotransferase. |
PubMed: | Contact allergy to atranorin in lichens and perfumes. |
PubMed: | Usnic acid derivatives as potential antineoplastic agents. |
PubMed: | [Sensitivity of Staphylococcus and Streptococcus strains to usnic acid as compared to their sensitivity to antibiotics]. |
PubMed: | l-usnic acid: tumor inhibitor isolated from lichens. |
PubMed: | Isolation of (+) usnic acid from Sudanese drug Usnea molliuscula. |
PubMed: | Contact allergy from Frullania and respiratory allergy from Thuja. |
PubMed: | [Experiments on the effect of usnic acid in the green alga Chlamydomonas reinhardii (author's transl)]. |
PubMed: | [Determination of usnic acid in pharmaceutical preparations using liquid-phase and gas-chromatography]. |
PubMed: | [Identification and quantitative determination of usnic acid in drug and galenic preparations]. |
PubMed: | Biosynthesis of natural products. VII. Biosynthesis of usnic acid lichens. Seasonal variation observed in usnic acid biosynthesis. |
PubMed: | Biosynthesis of natural products. VI. Biosynthesis of usnic acid in lichens. A general scheme of biosynthesis of usnic acid. |
PubMed: | Synthetic analogues of usnic acid. |
PubMed: | [Separation of usnic acid from Actinomyces strain C-2167]. |
PubMed: | Maibach HI: Sensitizing capacity of usnic acid derived from lichenized fungi. |
PubMed: | A colorimetric method for the estimation of usnic acid. |
PubMed: | Usnic acid. VI. The ozonolysis of anhydromethyldihydrousnic acid monoacetate. |
PubMed: | [Treatment of trichomoniasis in men with antibiotics-sodium salt of usnic acid]. |
PubMed: | Stereoisomeric specificity of usnic acid in delayed hypersensitivity. |
PubMed: | ALLERGY TO LICHENS; ALLERGIC CONTACT DERMATITIS FROM USNIC ACID PRODUCED BY LICHENIZED FUNGI. |
PubMed: | Allergy to lichens. Allergic contact dermatitis from usnic acid produced by lichenized fungi. |
PubMed: | [ANTIBIOTIC PREPARATION BINAN (SODIUM SALT OF USNIC ACID) IN THE PREVENTION OF PYODERMA]. |
PubMed: | USNIC ACID. V. SOME DECOMPOSITION REACTION OF METHYL- AND METHYLDIHYDROUSNIC ACIDS. THE REVISED STRUCTURE FOR USNIC ACID ISOMETHOXIDE. |
PubMed: | Usnic acid. IV. Isoanhydromethyldihydrousnic acid. |
PubMed: | Usnic acid. II. Methylusnic acid. |
PubMed: | Decomposition of usnic acid. VII. Pyrolysis of dihydrousnic acid. (3). Isodihydrousnic acid. |
PubMed: | Decomposition of usnic acid. VI. Studies on the ozonolytic products of O,O-diacetylusnic acid. |
PubMed: | [Various bacterial dermatoses & their treatment with usnic acid]. |
PubMed: | [Usnic acid as an oral antivirotic]. |
PubMed: | [New derivatives of usnic acid used in therapy]. |
PubMed: | [Ingredients of various usnea species with special reference to usnic acid]. |
PubMed: | [Influence of antibiotics, especially of usnic acid, on tetanus and diphtheria toxins]. |
PubMed: | Decomposition of usnic acid. V. Pyrolysis of dihydrousnic acid. (2). Some observations on dihydrousnic acid. |
PubMed: | [Antibacterial effects of an usnic acid derivative, usno, and its clinical uses with cases of pyoderma]. |
PubMed: | [Usnic acid as an antibiotic]. |
PubMed: | [The treatment of bacterial skin diseases with usnic acid]. |
PubMed: | [Antibacterial effects of usnic acid]. |
PubMed: | [Chemistry and galenic aspect of usnic acid]. |
PubMed: | [Usnic acid from lichens in therapy of tuberculosis]. |
PubMed: | [In vitro studies on the effect of usnic acid on causative agents of bacterioses in plants]. |
PubMed: | [Effect of usnic acid on Mycobacterium tuberculosis and on experimental tuberculosis]. |
PubMed: | 1-Usnic acid, dihydrostreptomycin, and their combination; therapeutic effect in guinea-pig tuberculosis as revealed by the omental index. |
PubMed: | 1-Usnic acid and observations on its effect in human tuberculosis. |
PubMed: | Growth and phage production of B. megatherium. I. Growth of cells after infection with C phage. II. Rate of growth, phage yield, and RNA content of cells. III. Effect of various substances on growth rate and phage production. |
PubMed: | A note on the action of usnic acid on anaesthetized cats. |
PubMed: | Experimental studies in the treatment of tetanus and on a case of tetanus treated with usnic acid. |
PubMed: | [Mode of action of usnic acid on bacteria]. |
PubMed: | [Synthesis of certain alkoxyhaloidphenoxyusnic acids and their derivatives]. |
PubMed: | [On the effect of usnic acid in vivo]. |
PubMed: | [The mode of action of usnic acid against bacteria]. |
PubMed: | Cutaneous tuberculosis treated with usnic acid. |
PubMed: | The antibacterial activity of usnic acid and related compounds. |
PubMed: | The mode of action of the antibiotic, usnic acid. |
PubMed: | [Intralymphatic therapy of tuberculosis]. |
PubMed: | Prevention of nuclear fusion and mitosis and inhibition of desoxyribonuclease by d-usnic acid. |
PubMed: | [A new lichenic antibiotic]. |
PubMed: | The action of streptomycin and usnic acid on the development of tuberculosis in guinea pigs. |
PubMed: | [Effect of 1-usnic acid on experimental tuberculosis of the guinea-pig; review on the antibiotic properties of lichens in general]. |
PubMed: | Antibacterial activity of d-usnic acid and related compounds on M. tuberculosis. |
PubMed: | Application of usnic acid to a case of lupus vulgaris. |
PubMed: | Usnic acid, an antibiotic, and sperm metabolism. |
PubMed: | Inhibition of cleavage and P32 uptake in Arbacia by d-usnic acid. |
PubMed: | Relation between chemical constitutions and antibacterial effects of usnic acid and its derivatives. |
PubMed: | [Not Available]. |