Purpose: For most cases, urolithiasis is a condition where excessive oxalate is present in the urine. Many reports have documented free radical generation followed by hyperoxaluria as a consequence of which calcium oxalate (CaOx) deposition occurs in the
A. Mittal+3 more
doaj +1 more source
The modern pollen-vegetation relationship of a tropical forest-savannah mosaic landscape, Ghana, West Africa [PDF]
Transitions between forest and savannah vegetation types in fossil pollen records are often poorly understood due to over-production by taxa such as Poaceae and a lack of modern pollen-vegetation studies.
Adele C.M. Julier+29 more
core +6 more sources
Acanthagrion marinae sp. Nov. (zygoptera: Coenagrionidae): A new species of the apicale group [PDF]
Acanthagrion marinae sp. nov. (Holotype male: BRASIL, Mato Grosso do Sul, Campo Grande, UFMS, 20°29’56.26’’S-54°36’48.43’’W, 547m, leg. M.E. Rodrigues, 03.ii.2015, collection code: VZYG437, MLP) is described and illustrated on the basis of 15 males.
Lozano, Federico, Rodrigues, Marciel E
core +1 more source
The Indo-Australian weevil genus Platytenes Pascoe, 1870 (Coleoptera: Curculionidae: Cryptorhynchinae) [PDF]
The formerly monotypic weevil genus Platytenes Pascoe (Coleoptera: Curculionidae: Cryptorhynchinae: Cryptorhynchini: Cryptorhynchina) as treated here, includes two commonly encountered and broadly distributed species in the eastern Indo-Australian region.
Larson, Peter A., Setliff, Gregory P.
core +1 more source
Graphomya Robineau-Desvoidy from Costa Rica: descriptions and first records (Diptera, Muscidae)
Graphomya Robineau-Desvoidy (Diptera, Muscidae) occurs in temperate and tropical regions of the world. It is known in the Neotropical Region from fifteen species.
MS. Couri, B. Marques
doaj +1 more source
This disastrous event staggered me : reconstructing the botany of Ludwig Leichhardt on the expedition from Moreton Bay to Port Essington, 1844-45 [PDF]
Ludwig Leichhardt had to abandon a large and important collection of botanical specimens during his Expedition from Moreton Bay to Port Essington. Here we attempt to assess the significance of the lost collection by identifying the botanical references ...
Bean, A.R.+3 more
core
A new species of Stenorrhachus McLachlan from Chile (Neuroptera: Nemopteridae) with biological notes [PDF]
A new species of Stenorrhachus (McLachlan), S. chilensis (Neuroptera: Nemopteridae), is described from Chile with biological observations of Stenorrhachus walkeri (McLachlan). A key to the two species is provided as well as diagnoses of the adults and of
Miller, Robert B., Stange, Lionel A.
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Description of the male of Lepidodexia (Xylocamptopsis) teffeensis (Townsend) (Diptera, Sarcophagidae). The male of Lepidodexia (Xylocamptopsis) teffeensis (Townsend, 1927) is described and illustrated for the first time based on material housed in the ...
Karlla Patrícia Silva+1 more
doaj
Survey on the chemical composition of several tropical wood species [PDF]
Variability in the chemical composition of 614 species is described in a database containing measurements of wood polymers (cellulose, lignin and pentosan), as well as overall extraneous components (ethanol-benzene, or hot water extracts and ash, with a ...
Gérard, Jean+2 more
core +1 more source
Background The development of Plasmodium resistance to the last effective anti-malarial drugs necessitates the urgent development of new anti-malarial therapeutic strategies. To this end, plants are an important source of new molecules.
Aissata Camara+12 more
doaj +1 more source