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Ademola Adekunle, Vijaya Raghavan
In a number of energy-poor nations, peel from cassava processing represents one of the most abundant sources of lignocellulosic biomass. This peel is mostly discarded indiscriminately and eventually constitutes a problem to the environment. However, energy can be extracted from this peel in a microbial fuel cell. In this study, the viability of cassava peel extract as a substrate in a single-chamber air cathode microbial fuel cell is demonstrated, and optimum performance conditions are explored. The effects of different pretreatments on the extract are also discussed in the context of observed changes in the internal resistances, conductivity and Coulombic efficiencies...
October 24, 2016: Waste Management & Research
Chaid Schwarz, Benjamin T Aldrich, Kimberlee A Burckart, Gregory A Schmidt, M Bridget Zimmerman, Cynthia R Reed, Mark A Greiner, Edward A Sander
Descemet membrane endothelial keratoplasty (DMEK) is an increasingly popular surgical procedure for treating ocular diseases that require a corneal transplant. Previous studies have found that tissue tearing during surgical preparation is more likely elevated in eyes from donors with a history of diabetes mellitus. To quantify these potential differences, we established an experimental technique for quantifying the force required to separate the endothelium-Descemet membrane complex (EDM) from stroma in human donor corneal tissue, and we assessed differences in adhesion strength between diabetic and non-diabetic donor corneas...
October 21, 2016: Experimental Eye Research
Lucksanee Wongkom, Ampa Jimtaisong
This study aims to prepare of biocomposite of carboxymethyl chitosan (CM-chitosan) and carboxymethylcellulose (CMC) from Ananas comosus (pineapple) peelfor use as broad spectrum sunscreen carrier. Biocomposite was produced by using ferulic acid (FA), a plant extract, as crosslinker with the optimal ratio of CMC: CM-chitosan: FA at 1:2:4%w. FT-IR technique demonstrated that crosslinking may occur at amine group of CM-chitosan and carboxyl group of FA and hydrogen bonding between hydroxyl group of CMC and carboxyl group of FA...
October 21, 2016: International Journal of Biological Macromolecules
Ben Ajmia Wafa, Mohamed Makni, Sonda Ammar, Lamia Khannous, Amal Ben Hassana, Mohamed Bouaziz, Nour Eddine Es-Safi, Radhouane Gdoura
Punica granatum L. is widely recognized for its potency against a broad spectrum of bacterial pathogens. The purpose of this study was to explore the inhibitory and the bactericidal activities of Punica granatum against Salmonella strains. The effect of extracts obtained from different parts (peels, seeds, juice and flowers) of pomegranate and using different solvents against Salmonella enterica serovars Kentucky and Enteritidis isolated from chicken meat was thus investigated. Salmonella strains were identified with the standard API-20E system and confirmed by real time PCR...
October 11, 2016: International Journal of Food Microbiology
Xuewu Li, Tian Shi, Cong Liu, Qiaoxin Zhang, Xingjiu Huang
Aluminum alloys are vulnerable to penetrating and peeling failures in seawater and preparing a barrier coating to isolate the substrate from corrosive medium is an effective anticorrosion method. Inspired by the lotus leaves effect, a wetting alloy surface with enhanced anticorrosion behavior has been prepared via etch, deposition, and low-surface-energy modification. Results indicate that excellent superamphiphobicity has been achieved after the modification of the constructed hierarchical labyrinth-like microstructures and dendritic nanostructures...
October 24, 2016: Scientific Reports
Mateus Laguardia-Nascimento, Ana Paula Ferreira de Oliveira, Fernanda Rodas Pires Fernandes, Anselmo Vasconcelos Rivetti Junior, Marcelo Fernandes Camargos, Antônio Augusto Fonseca Júnior
BACKGROUND: Parapoxviruses are zoonotic viruses that infect cattle, goats and sheep; there have also been reports of infections in camels, domestic cats and seals. OBJECTIVE: The objective of this report was to describe a case of vesicular disease caused by pseudocowpox virus (PCPV) in Water buffalo (Bubalus bubalis) in Brazil. ANIMALS: Sixty buffalo less than 6 months old exhibited ulcers and widespread peeling of the tongue epithelium. There were no cases of vesicular disease in pigs or horses on the same property...
October 24, 2016: Veterinary Quarterly
Athanasia M Goula, Maria Ververi, Anna Adamopoulou, Kyriakos Kaderides
The objective of this work was to develop a new process for pomegranate peels application in food industries based on ultrasound-assisted extraction of carotenoids using different vegetable oils as solvents. In this way, an oil enriched with antioxidants is produced. Sunflower oil and soy oil were used as alternative solvents and the effects of various parameters on extraction yield were studied. Extraction temperature, solid/oil ratio, amplitude level, and extraction time were the factors investigated with respect to extraction yield...
January 2017: Ultrasonics Sonochemistry
I Ganesh Moorthy, J Prakash Maran, S Ilakya, S L Anitha, S Pooja Sabarima, B Priya
Four factors three level face centered central composite response surface design was employed in this study to investigate and optimize the effect of process variables (liquid-solid (LS) ratio (10:1-20:1ml/g), pH (1-2), sonication time (15-30min) and extraction temperature (50-70°C)) on the maximum extraction yield of pectin from waste Artocarpus heterophyllus (Jackfruit) peel by ultrasound assisted extraction method. Numerical optimization method was adapted in this study and the following optimal condition was obtained as follows: Liquid-solid ratio of 15:1ml/g, pH of 1...
January 2017: Ultrasonics Sonochemistry
Tim Shaw, Andrew Peel
No abstract text is available yet for this article.
February 2016: Pathology
Mira M Sachdeva, Frederick A Jakobiec, Anna M Stagner, Athanasios Papakostas, Dean Eliott
PURPOSE: Large relaxing retinectomies have become increasingly used in the repair of retinal detachment related to proliferative vitreoretinopathy (PVR). Retinectomies expose the retinal pigment epithelium (RPE) to the vitreous cavity; the direct effects of silicone oil on the RPE are only beginning to be understood. DESIGN: Retrospective case series. PARTICIPANTS: Twelve patients noted to develop pigmented epiretinal deposits at regularly scheduled follow-up visits after repair of complex retinal detachments using silicone oil tamponade and retinectomy...
October 18, 2016: Ophthalmology
Jiachao Zhang, Qisong Hu, Chuanbiao Xu, Sixin Liu, Congfa Li
Pepper pericarp microbiota plays an important role in the pepper peeling process for the production of white pepper. We collected pepper samples at different peeling time points from Hainan Province, China, and used a metagenomic approach to identify changes in the pericarp microbiota based on functional gene analysis. UniFrac distance-based principal coordinates analysis revealed significant changes in the pericarp microbiota structure during peeling, which were attributed to increases in bacteria from the genera Selenomonas and Prevotella...
2016: PloS One
Ahmed Abdelfattah, Michael Wisniewski, Samir Droby, Leonardo Schena
The fungal diversity in harvested apples from organic or conventional management practices was analyzed in different fruit locations (stem end, calyx end, peel, and wounded flesh) shortly after fruit purchase (T1) and after 2 weeks of storage (T5). A total of 5,760,162 high-quality fungal sequences were recovered and assigned to 8,504 Operational Taxonomic Units. Members of the phylum Ascomycota were dominant in all samples and accounted for 91.6% of the total number of detected sequences. This was followed by Basidiomycota (8%), Chytridiomycota (0...
2016: Horticulture Research
M P Swetha, S P Muthukumar
Ridge gourd (Luffa acutangula) is consumed as a vegetable after peeling off the skin which is a domestic waste. Luffa acutangula peel (LAP) was observed to be a good source of fiber (20.6 %) and minerals (7.7 %). Amino acid analysis revealed presence of the highest content of Carnosine followed by aspartic acid and aminoadipic acid. Antioxidant activity of different extracts showed that ethyl acetate extract was more potent when compared to other solvent extractions. It exhibited a significant amount of phenolic acids like p-coumaric acid (68...
July 2016: Journal of Food Science and Technology
Katayoun Mahdavi Ara, Farhad Raofie
Essential oils and volatile components of pomegranate (Punica granatum L.) peel of the Malas variety from Meybod, Iran, were extracted using supercritical fluid extraction (SFE) and hydro-distillation methods. The experimental parameters of SFE that is pressure, temperature, extraction time, and modifier (methanol) volume were optimized using a central composite design after a (2(4-1)) fractional factorial design. Detailed chemical composition of the essential oils and volatile components obtained by hydro-distillation and optimum condition of the supercritical CO2 extraction were analyzed by GC-MS, and seventy-three and forty-six compounds were identified according to their retention indices and mass spectra, respectively...
July 2016: Journal of Food Science and Technology
Sanjay Kumar, Pramila Sharma, Poonam Ratrey, Bhaskar Datta
Nagpur mandarin orange (Citrus reticulata) peels were subjected to treatment with nanobiocatalysts in the form of cellulase and pectinase immobilized magnetic nanoparticles (MNPs). MNPs (Fe3O4) with average diameter in range of 40-90 nm were immobilized with cellulase and pectinase through APTES and glutaraldehyde. Treatment followed by extraction into organic solvents resulted in 8-9 fold increase in extraction of carotenoidic pigments compared to use of free enzymes. Optimum pH and temperature for the process were determined to be 5...
July 2016: Journal of Food Science and Technology
A Hosseini, H R Sadeghnia, A Rajabian
Oxidative stress and apoptosis contribute to neuronal degeneration in many neurodegenerative diseases such as Alzheimer's disease. Glutamate is a major excitatory neurotransmitter in the central nervous system (CNS) and is considered responsible for the pathogenesis of many neurological disorders. Reactive oxygen species (ROS) production is thought to be involved in glutamate-induced apoptosis process. In this study, the neuroprotective effects of Citrus aurantium in the glutamate-induced rat's adrenal pheochromocytoma cell line (PC12 cells) were investigated...
2016: Folia Neuropathologica
Caroline Honaiser Lescano, Ivan Pires de Oliveira, Tiago Zaminelli, Débora da Silva Baldivia, Luan Ramos da Silva, Mauro Napolitano, Camila Bitencourt Mendes Silvério, Nilton Lincopan, Eliana Janet Sanjinez-Argandoña
Campomanesia adamantium (Myrtaceae) is a medicinal plant distributed in Brazilian Cerrado. Different parts of this plant are used in popular medicine for treatment of several diseases like fever, diarrhea, hypercholesterolemia and rheumatism. The aim of this work was to evaluate the inhibition of heat-stable enterotoxin type A (STa) by gallic acid present in the peel of C. adamantium fruit and assays to assess the antidiarrheal activity, anti-inflammatory and cytotoxic properties of peel extract using the T84 cell line model...
2016: PloS One
Takehiro Matsumura, Yoshihiro Takamura, Takeshi Tomomatsu, Shogo Arimura, Makoto Gozawa, Akira Kobori, Masaru Inatani
PURPOSE: To evaluate the efficacy of the inverted internal limiting membrane (ILM) flap technique in vitrectomy for macular hole (MH) with retinal detachment (RD) compared with vitrectomy using ILM peeling. METHODS: A retrospective case series study was performed. Twenty-two eyes of 22 patients who underwent vitrectomy for MH with RD and followed-up more than 12 months after the surgery were included in this study. We retrospectively reviewed the medical records of patients who underwent vitrectomy with inverted ILM flap technique or vitrectomy with ILM peeling...
2016: PloS One
Monique Narciso Alba, Marli Gerenutti, Valquíria Miwa Hanai Yoshida, Denise Grotto
Acne vulgaris treatments usually cause sensitivity, teratogenicity and bacterial resistance. Investigations of others therapeutic techniques, such as phototherapy, is highly relevant. Thus, we compared the effectiveness of two Acne vulgaris treatments in adolescents: peeling with salicylic acid and phototherapy. Teens were randomly divided in: group I, treatment with salicylic acid peels (10 %) and group II, treatment with phototherapy (blue LED and red laser lights). Photographs were taken before and after ten sessions of each treatment, carried out weekly, and compared...
October 20, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Shumpei Obata, Masato Fujikawa, Keisuke Iwasaki, Masashi Kakinoki, Osamu Sawada, Yoshitsugu Saishin, Hajime Kawamura, Masahito Ohji
PURPOSE: To investigate anatomic changes in retinal thickness (RT) and functional changes after vitrectomy for idiopathic epiretinal membranes (ERMs) with and without internal limiting membrane (ILM) peeling. METHODS: The medical records of 100 eyes of 96 patients with ERM who underwent vitrectomy and ERM removal were reviewed retrospectively. The RT was measured by optical coherence tomography, and the area was divided into 9 sections. The best-corrected visual acuity (BCVA), 9 RT areas, and incidence rates of recurrent ERM were compared between the groups with and without ILM peeling before the operation and 12 months postoperatively...
October 20, 2016: Ophthalmic Research
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