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Jun 10, 2022Open    AccessArticle

Taxonomy and Characterization of Fungi Isolated from Cocoa Beans during Fermentation in Saf’s Agroforestry System in the Amazon

Mateus Cardoso Barros, Jeferson Santana Quadros, Magnun Antonio Penariol da Silva, Raquel Soares Casaes Nunes
Agroforestry systems (SAFs) are an alternative for sustainable development as they enable the recovery of degraded areas and reduce deforestation, contributing to breaking the cycle of traditional family farming, so common in the Amazon region, which enables the recovery of soils, the increase of organic matter and soil fertility. Cocoa beans are grown and fermented in SAFs. According to the research, the significant appearance of endophytic microorganisms such as fungi in the cocoa bean can ben...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1108825


Apr 24, 2022Open    AccessArticle

Kernel PCA Based Non-Local Means Method for Speckle Reduction in Medical Ultrasound Images

Musab Elkheir Salih, Xuming Zhang, Mingyue Ding
The speckle noise is considered one of the main causes of degradation in ultrasound image quality. Many despeckling filters have been proposed, which are always making a trade-off between noise suppression and loss of information. A class of despeckling methods based Non-Local Means (NLM) algorithm is known to efficiently preserve the edges and all fine details of an image while reducing the noise. The core idea of NLM filter is to estimate the denoised pixel by performing a weighted average of ...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1108618


Nov 08, 2021Open    AccessArticle

Serpocaulon orosiense, a New Hybrid of Serpocaulon (Polypodiaceae) from Costa Rica

Alexander Francisco Rojas-Alvarado, Lucía Barrantes-Calvo
Four hybrids between Serpocaulon species have been described, one of them S. × sessilipinnum was the only known hybrid between two different clades proposed by Smith et al. In this work, a new hybrid S. × orosiense is described, being the second known hybrid between clades: 1) Serpocaulon loriceum and 2) S. fraxinifolium. The detailed study of the intermediate morphology of the characters of the new taxon and their progenitors were made by ...
Open Access Library J.   Vol.8, 2021
Doi:10.4236/oalib.1108047


Jul 29, 2021Open    AccessArticle

Biotechnology Application of Therapeutic Antibody Drug Discovery and Preparation

Huilin Cao
According to the technical application, therapeutic mechanism and application prospect of therapeutic antibodies are discussed from the research and development of therapeutic antibodies to their application technology. Also, following is a list of some disadvantages of the drug. May this article shall lead perspective in the next section.
Open Access Library J.   Vol.8, 2021
Doi:10.4236/oalib.1107719


Jun 28, 2021Open    AccessArticle

Wnt5a Role in Cisplatin Effect and Selectivity Augmentation in Cancer Therapy

Waleed O. Atta, Ahmed Z. Abdel Azeiz
Wnt5a is a representative protein ligand that activates a beta catenin independent pathway in Wnt signaling in cancer progression and spread in the palmitoylated form. So that its synthesis is augmented through promotion of its gene transcription in the malignant cells. Cisplatin is an important chemotherapeutic drug used in treatment of different types of advanced cancer. However, its usage is limited due to severe dose-limiting side effects, due to the lack of targeting therapy of cisplatin. O...
Open Access Library J.   Vol.8, 2021
Doi:10.4236/oalib.1107564


Apr 20, 2021Open    AccessArticle

An Independent Cascade Propagation Model of Vespa Mandarinia Population with Propagation Index

Tong Zhou, Jin Gao, Tingzhen Liu, Yafei Jiang
The Vespa mandarinia disaster has been a problem all over the world. In the prevention and control of Vespa mandarinia, the efficiency is often low and a lot of social resources are wasted because of the inability to effectively predict the spread of Vespa mandarinia. Therefore, this paper proposes a propagation model based on independent cascade. Based on the traditional propagation model, the habit factor and propagation index are added, which makes the habit and reproduction of wasps fully co...
Open Access Library J.   Vol.8, 2021
Doi:10.4236/oalib.1107345


Jun 29, 2020Open    AccessArticle

Micronutrient Contents of Heritiera fomes Species at Three Saline Zones of the Sundarban Mangrove Forest, Bangladesh

Hasina Mariam, A. N. M. Alamgir
Micronutrient or essential heavy metals viz. Copper (Cu), Zinc (Zn) and Iron (Fe) distribution trend were studied at the age of 6, 9 and 30 months old Heritiera fomes seedlings at three distinct saline zones viz. Chandpai (Oligohaline), Jungra (Mesohaline) and Munshiganj (Polyhaline) of the Sundarban mangrove forest. Among the observed micronutrients, Fe content comparatively lower than Cu and Zn. Relatively higher Cu was found in the root of 6 month age Heritiera fomes seedlings grown at the Ch...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106425


Apr 30, 2020Open    AccessArticle

Optimization of Fermentation Process Enhancing Quality of Dandelion Black Tea on the Functional Components, Activity and Sensory Quality

Yaru Ning, Zhe Wu, Zhaojia Li, Ran Meng, Zhizhong Xue, Xiuping Wang, Xuelin Lu, Xiaodong Zhang
The fermentation technology of dandelion black tea was optimized by Box-Behnken response surface method. Combined with sensory evaluation and biochemical analysis, the effects of fermentation conditions such as temperature, time and humidity on the functional components, sensory quality and antioxidant function of dandelion black tea were evaluated. Results showed that under the conditions of fermentation temperature of 25?C, humidity of 80% and time of 15 h, functional properties of dandelion b...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106323


Jan 14, 2020Open    AccessArticle

Effect of H2O2-Mediated Endophytic Fungal Elicitors on Essential Oil Accumulation in Suspension Cells of Cinnamomum longepaniculatum

Kuan Yan, Yu Zheng, Lan Hu
Hydrogen peroxide (H2O2) is a signal molecule that plays a crucial role in plant secondary metabolism. In order to explore the signaling mechanism of endophytic fungal elicitors (Penicillium commune 2J1) for promoting 1,8-eucalyptus accumulation in C. longepaniculatum, changes in the contents of H2O2 and 1,8-eucalyptus were investigated after the addition of elicitors to the C. longepaniculatum cultures. The experimental results s
...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106034


Jan 09, 2020Open    AccessArticle

Removing Antibiotic-Resistant Bacteria (ARB) Carrying Genes (ARGs): Challenges and Future Trends

Djamel Ghernaout, Noureddine Elboughdiri
Developed control of chemical disinfection techniques is beginning to be pro-gressively significant in order to equilibrate under-treatment (minimal pathogen demobilization) and over-treatment (immoderate consumption of disinfectant and disinfection by-products generation) that way giving great ecological and economic advantages. This work reviews the most recent and pertinent re-searches in this field of eliminating Antibiotic-re
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Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106003


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