The Breast

Mb, Dockerty; Bs,; Dermatologist, Frcp Emeritus Consultant

doi:10.1002/9781444317633.ch70

Cited by 4 publications

(2 citation statements)

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“…Benzyl benzoate is used in insect and acari repellents, and for chiggers, ticks and mosquitoes [33, 34]. As medicine used to treat scabies and lice [35, 36], it has been known for more than 100 years [34]. Recent studies have shown that cinnamon oil (containing benzyl benzoate 9.99%) presents insecticidal activity against Tenebrio molitor Linnaeus, 1758 [37] and Sitophilus granarius (Linnaeus, 1758) affecting respiratory rates and hindering or reducing insect mobility [38].…”

Section: Resultsmentioning

confidence: 99%

Chemical analysis of Brasilimeria Stach, 1949 (Hexapoda, Collembola, Neanuridae) hemolymphatic secretion, and description of a new species

et al. 2019

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Though Collembola is a widespread hexapod its use of chemical compounds for defense has been reported for only a few European species. Chemical composition analyses of the hemolymphatic secretion of Neotropical Collembola using Gas Chromatography with Mass Spectrometry (GC-MS) has been performed for the first time. The GC-MS analysis revealed 32 constituents, such as aliphatic and aromatic hydrocarbons, esters, alcohols, a phenol, an aldehyde and a ketone. Benzyl benzoate, the main component (at 46.98%), is a compound with known acaricide and insecticide properties. This is the first report on chemical constituents produced by Neotropical Pseudachorutinae, genus Brasilimeria , and will permit future secretion comparisons for Collembola. The taxonomic description of the species producing the secretion analyzed is provided; Brasilimeria assu sp. nov. (Collembola, Neanuridae, Pseudachorutinae) is the third known species of the genus; an updated diagnosis of the genus, an identification key, and further remarks on the species Brasilimeria Stach, 1949 are provided.

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Section: Resultsmentioning

confidence: 99%

Chemical analysis of Brasilimeria Stach, 1949 (Hexapoda, Collembola, Neanuridae) hemolymphatic secretion, and description of a new species

et al. 2019

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“…The contrast was increased during microscopic examination by omitting a microscope condenser. The microscopic examination was done for observation of hyaline, branched, and septate/aseptate fungal hyphae including yeast cells [ 11 , 12 ].…”

Section: Methodsmentioning

confidence: 99%

Prevalence and Risk Factors of Superficial Fungal Infection among Patients Attending a Tertiary Care Hospital in Central Nepal

Jaishi¹,

Parajuli

Dahal

et al. 2022

Interdisciplinary Perspectives on Infectious Diseases

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Fungal infections of hair, nail, and skin are common worldwide and tend to increase. The present study was conducted to determine the prevalence of dermatomycoses, estimate the efficiency of rapid potassium hydroxide (KOH) wet-mount, and observe the hygienic status and the predisposing risk factors. Altogether 115 samples (nail = 77, skin = 30, and hair = 8) were obtained in a duration of December 2019 to June 2020 at Grande International Hospital, Nepal. The samples were examined by KOH wet-mount microscopy and further processed for culture. The dermatophyte test medium (DTM) was used to isolate dermatophytes separately. The fungal colonies obtained in SDA, SDA with cycloheximide/chloramphenicol and dermatophyte medium were subjected to lactophenol cotton blue (LPCB) reagent to study fungal morphology. The yeast colonies grown on SDA were subjected to Gram staining, germ-tube tests, and biochemical tests for identification. CHROMagar was used to distinguish different Candida species based on its pigment production in the medium. Various factors (age, sex, occupation, and hygiene condition) were analyzed which were associated with mycological infection. Out of 115 samples, the presence of fungal elements was detected in 20 samples by KOH. Nondermatophyte molds were the most isolated fungus in nails, skin, and hair, followed by yeast and dermatophytes, respectively. Dermatomycosis molds were the most common causative agents with 22 (14.7%) cases, followed by yeasts with 6 (5.21%) cases. Candida albicans was isolated from 5 (4.3%) cases, whereas Rhodotorula species accounted for a single (0.8%) case. Dermatophytes were isolated from 5 (4.3%) cases. Among them, n = 4(3.4%) cases revealed Trichophyton rubrum and Trichophyton mentagrophytes was isolated from single (0.8%) case. The most isolated nondermatophyte mold that follows criteria as a pathogen in our study was Cladosporium species 6 (25%) out of 27 total fungal isolates. Poor hygiene and sweating were found to be statistically significant ( P < 0.05 ) in fungal cases detected by both KOH and culture. Dermatophytes and nondermatophyte fungi were emerging as important causes of fungal infection. Both direct microscopy and culture followed by LPCB together were vital tools for the diagnosis of fungal infections.

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