Page 3630 of 3770 Results 36291 - 36300 of 37696
Id/Author/Year/TitleOrder by:  Year  Id  Author  Title
32439
Zeybek U. & Yıldız A. (2000): Untersuchungen über die nordost-anatolischen Flechten Lobaria scrobiculata und L. pulmonaria [Studies on the Northeast Anatolian lichens Lobaria scrobiculata and L. pulmonaria], Scientia Pharmaceutica, 68(3): 317–321

The secondary metabolites in Lobaria pulmonaria and L. scrobiculata collected in northeast Anatolia are studied using HPLC. Constictic, nortictic and stictic acids are the major components in L. pulmonaria; in addition connorstictic, cryptostictic, and menegazziaic acids are present as minor constituents. In L. scrobiculata constictic, stictic, and usnic acids and m- scrobiculin are the major compounds; while cryptostictic and norstictic acids, and p- scrobiculin are present as minors. Keywords: … URL EN Read more... 

1061
Zeybek U., John V. & Lumbsch H. T. (1993): Türkie likenlerinden Hypogymnia (Nyl.) Nyl. cinsi üzerinde taksonomik arastirma, Tr. J. Bot., 17: 109-116

EN Read more... 

1062
Zeybek U., Lumbsch H.T., Feige G.B., Elix J.A. & John V. (1993): Chemosyndromic variation in Hypogymnia species, mainly from Turkey (lichenized Ascomycotina), Cryptogamic Botany, 3: 260-263

EN Read more... 

12345
Zeytinoglu H., Incesu Z., Tuylu B.A., Turk A.O. & Barutca B. (2008): Determination of genotoxic, antigenotoxic and cytotoxic potential of the extract from lichen Cetraria aculeata (Schreb.) Fr. in vitro, Phytotherapy Research, 22: 118-123

Naturally occurring compounds can have protective effects towards mutagens and carcinogens as shown by numerous studies. In the present study, the genotoxic/antigenotoxic activities of the extract from lichen Cetraria aculeata (Schreb.) Fr., which has been identified as an antibacterial agent in former studies, were investigated against known mutagens such as 4-nitro-o-phenylenediamine (4-NPD) and 2-aminofluorene (2-AF) in TA98 and TA100 strains of Salmonella typhimurium in the presence or absence … EN Read more... 

18311
Zezza F. (2006): Failure of Anisotropic Marble: The Proconnesium Marmor of Roman Columns in Brindisi, In: Kourkoulis S.K. (ed.), Fracture and Failure of Natural Building Stones, p. 449-469, Springer

Key words: failure; fissuring; marble; non-destructive analysis; restoration. "SEM and EDX examination of the weathered surfaces shows: ...; d) fungal growth (Lecanora dispersa and probably Lecanora campestris) along microfractures causes detachments of external surface flakes, affected by pitting (Figure 5). Pitting phenomenon is common in many marble monuments. This type of decay is usually attributed to the action of lichens and fungus, even if someone thinks that it is due to localised … EN Read more... 

28097
Zhang B.-W., Xu J.-L., Zhang H., Zhang Q., Lu J. & Wang J.-H. (2016): Structure elucidation of a polysaccharide from Umbilicaria esculenta and its immunostimulatory activity, PLoS ONE, 11(12): e0168472 [18 p.]

Umbilicaria esculenta has been used as a tonic food in China for several centuries owing to its pleasant flavor and health benefits. In this study, a water soluble polysaccharide, which we designated as UP2, with an average molecular weight of 3.33 × 105 Da, was isolated from U. esculenta cultivated in the Huangshan Mountain, by consecutive hot water extraction and anion-exchange chromatography. Gas chromatography analysis indicated that UP2 contained three kinds of monosaccharides, including mannose, … EN Read more... 

29183
Zhang B., Zhang Y., Li X. & Zhang Y. (2018): Successional changes of fungal communities along the biocrust development stages, Biology and Fertility of Soils, 54: 285–294

Fungal communities play critical roles in maintaining the structure and function of biocrust in desert ecosystems. However, the successional changes of fungal communities along the biocrust development stages are not fully understood. In this study, we investigated the fungal community compositions inhabiting different biocrust successional stages (bare sand, algal crusts, lichen crusts, and moss crusts) and their relationships with environmental factors in the Gurbantunggut Desert of Northwestern … EN Read more... 

25046
Zhang B.C., Zhou X.B. & Zhang Y.M. (2015): Responses of microbial activities and soil physical-chemical properties to the successional process of biological soil crusts in the Gurbantunggut Desert, Xinjiang, Journal of Arid Land, 7(1): 101–109

Biological soil crusts (BSCs) are capable of modifying nutrient availability to favor the establishment of biogeochemical cycles. Microbial activities serve as critical roles for both carbon and nutrient transformation in BSCs. However, little is known about microbial activities and physical-chemical properties of BSCs in the Gurbantunggut Desert, Xinjiang, China. In the present research, a sampling line with 1-m wide and 20-m long was set up in each of five typical interdune areas selected randomly … EN Read more... 

32708
Zhang C., Aptroot A., Liu H.-J. & Jiang S.-H. (2020): Two new species of Anisomeridium (lichenized Dothideomycetes, Ascomycota) from China, Phytotaxa, 458(2): 167–172

The humid tropical and subtropical forests in South China harbour a rich diversity of crustose lichens. As a result of taxonomic studies of Anisomeridium, two species new to science are described. Comparisons and discussions with similar species are given. In addition, a key to the species of Anisomeridium in China is also provided. Keywords: corticolous lichens, Monoblastiales, morphological analysis, taxonomy, Lichens. URL EN Read more... 

37001
Zhang C., Cai Y., Zhou S. & Zhang L. (2024): Three new records of lichens in China, Acta Botanica Boreali-Occidentalia Sinica, 44(6): 0995-1002

The purpose of this research is to investigate the species diversity of Kunyu Mountain in Shandong Province and further identify its species composition and distribution. [Methods] Morphological, anatomical, chemical characters, and molecular phylogenetic analysis based on ITS sequences were used in this research. [Results] Three lichens species new to China, Lepraria harrisiana Lendemer, Leprocaulon nicholsiae Lendemer & E. Tripp, and Brownliella kobeana (Nyl.) S.Y. Kondr., Kärnefelt, A. Thell, … URL EN Read more... 

Page 3630 of 3770 Results 36291 - 36300 of 37696