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2022 ◽  
Vol 177 ◽  
pp. 114464
Author(s):  
Thaise da Silva Souza ◽  
Fabiana Rezende Muniz ◽  
Vânia Helena Techio ◽  
Alexandre Alves Missiaggia ◽  
Magno Antonio Patto Ramalho
Keyword(s):  

2023 ◽  
Vol 83 ◽  
Author(s):  
A. C. S. D. Oliveira ◽  
C. C. Fernandes ◽  
L. S. Santos ◽  
A. C. B. B. Candido ◽  
L. G. Magalhães ◽  
...  

Abstract Numerous studies have investigated the chemical composition and biological activities of essential oils from different Citrus species fruit peel, leaves and flowers. This paper aims to investigate the chemical composition, larvicidal and antileishmanial activities of essential oil from Citrus reticulata fruit peel (CR-EO). CR-EO was obtained by hydrodistillation in a Clevenger-type apparatus and its chemical composition was analyzed by GC-MS and GC-FID. Limonene (85.7%), ɣ-terpinene (6.7%) and myrcene (2.1%) were identified as its major components. CR-EO showed high activity against promastigote forms of Leishmania amazonensis (IC50 = 8.23 µg/mL). CR-EO also exhibited high larvicidal activity against third instar Aedes aegypti larvae at a lethal concentration (LC50 = 58.35 µg/mL) and 100% mortality at 150 µg/mL. This study suggests, for the first time, the potential use of CR-EO against this important mosquito-borne viral disease caused by the genus Aedes.


2022 ◽  
Vol 180 ◽  
pp. 106134
Author(s):  
Eden Hadad ◽  
Erez Fershtman ◽  
Zohar Gal ◽  
Ido Silberman ◽  
Gideon Oron

2022 ◽  
Vol 146 ◽  
pp. 112541
Author(s):  
Nelson Siu Kei Lam ◽  
Xin Xin Long ◽  
Xuegang Li ◽  
Mirette Saad ◽  
Florence Lim ◽  
...  

2022 ◽  
Vol 146 ◽  
pp. 112595
Author(s):  
Felix Zulhendri ◽  
Conrad O. Perera ◽  
Steven Tandean ◽  
Rizky Abdulah ◽  
Herry Herman ◽  
...  

2022 ◽  
Vol 16 ◽  
pp. 101303
Author(s):  
João Luiz Baú-Carneiro ◽  
Isabela Akemi Guirao Sumida ◽  
Malu Gallon ◽  
Tânia Zaleski ◽  
Marianna Boia-Ferreira ◽  
...  

Uniciencia ◽  
2022 ◽  
Vol 36 (1) ◽  
pp. 1-15
Author(s):  
Julián Rojas-Vargas ◽  
José Mora-Barrantes ◽  
Pablo Herrera-Vargas ◽  
Vinicio Arias-Zuñiga

The grease and oil trap systems (GOTS) of four university food service establishments (FSE) were assessed and treated to evaluate the potential use of the sludge collected to produce compost. The sludge collected from each FSE was kept in a drying bed for 30 days (SDB), during which time calcium oxide was frequently added for stabilization. The sludge deposited monthly was reduced to half after the drying process and was then deposited in a composter and mixed for a period of 22 days with constant agitation. The compost obtained was treated with degrading enzymes and was denominated enzymatic composting (EC), while the remaining compost was not treated with enzyme and was denominated non-enzymatic compost (NEC). The total composting cycle of the sludge lasted 83 days, during which time various physical and chemical analyzes were conducted in the three types of substrates (SDB, NEC, and EC).  The total time of the research was 2.5 years.  The percentages of phosphorus, potassium, magnesium, and calcium suggest the use of the three substrates as organic fertilizer. A recommendation resulting from this research is to evaluate the sludge quality by mixing it with other substrates such as fruit peels with high nitrogen content and the sludge from wastewater treatment systems.


Plants ◽  
2022 ◽  
Vol 11 (2) ◽  
pp. 220
Author(s):  
Ana Mariel Torres-Contreras ◽  
Antoni Garcia-Baeza ◽  
Heriberto Rafael Vidal-Limon ◽  
Isaias Balderas-Renteria ◽  
Mónica A Ramírez-Cabrera ◽  
...  

Human skin works as a barrier against the adverse effects of environmental agents, including ultraviolet radiation (UVR). Exposure to UVR is associated with a variety of harmful effects on the skin, and it is one of the most common health concerns. Solar UVR constitutes the major etiological factor in the development of cutaneous malignancy. However, more than 90% of skin cancer cases could be avoided with appropriate preventive measures such as regular sunscreen use. Plants, constantly irradiated by sunlight, are able to synthesize specialized molecules to fight against UVR damage. Phenolic compounds, alkaloids and carotenoids constitute the major plant secondary metabolism compounds with relevant UVR protection activities. Hence, plants are an important source of molecules used to avoid UVR damage, reduce photoaging and prevent skin cancers and related illnesses. Due to its significance, we reviewed the main plant secondary metabolites related to UVR protection and its reported mechanisms. In addition, we summarized the research in Mexican plants related to UV protection. We presented the most studied Mexican plants and the photoprotective molecules found in them. Additionally, we analyzed the studies conducted to elucidate the mechanism of photoprotection of those molecules and their potential use as ingredients in sunscreen formulas.


Genes ◽  
2022 ◽  
Vol 13 (1) ◽  
pp. 152
Author(s):  
Peace Mabeta ◽  
Rodney Hull ◽  
Zodwa Dlamini

Angiogenesis is one of the hallmarks of cancer, and the establishment of new blood vessels is vital to allow for a tumour to grow beyond 1–2 mm in size. The angiogenic switch is the term given to the point where the number or activity of the pro-angiogenic factors exceeds that of the anti-angiogenic factors, resulting in the angiogenic process proceeding, giving rise to new blood vessels accompanied by increased tumour growth, metastasis, and potential drug resistance. Long noncoding ribonucleic acids (lncRNAs) have been found to play a role in the angiogenic switch by regulating gene expression, transcription, translation, and post translation modification. In this regard they play both anti-angiogenic and pro-angiogenic roles. The expression levels of the pro-angiogenic lncRNAs have been found to correlate with patient survival. These lncRNAs are also potential drug targets for the development of therapies that will inhibit or modify tumour angiogenesis. Here we review the roles of lncRNAs in regulating the angiogenic switch. We cover specific examples of both pro and anti-angiogenic lncRNAs and discuss their potential use as both prognostic biomarkers and targets for the development of future therapies.


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