994 research outputs found
Inhibition of E-Selectin (GMI-1271) or E-selectin together with CXCR4 (GMI-1359) re-sensitizes multiple myeloma to therapy
Novel Li3ClO based glasses with superionic properties for lithium batteries
Three types of next generation batteries are currently being envisaged among the international community: metal-air batteries, multivalent cation batteries
and all-solid-state batteries. These battery designs require high-performance, safe and cost effective electrolytes that are compatible with optimized electrode
materials. Solid electrolytes have not yet been extensively employed in commercial batteries as they suffer from poor ionic conduction at acceptable
temperatures and insufficient stability with respect to lithium-metal. Here we show a novel type of glasses, which evolve from an antiperovskite structure and
that show the highest ionic conductivity ever reported for the Li-ion (25 mS cm-1 at 25 °C). These glassy electrolytes for lithium batteries are inexpensive,
light, recyclable, non-flammable and non-toxic. Moreover, they present a wide electrochemical window (higher than 8 V) and thermal stability within the
application range of temperatures
Dissociation constants and thermodynamic properties of amino acids used in CO2 absorption from (293 to 353) K
The second dissociation constants of the amino acids βalanine, taurine, sarcosine, 6-aminohexanoic acid, DL-methionine, glycine, L-phenylalanine, and L-proline and the third dissociation constants of L-glutamic acid and L-aspartic acid have been determined from electromotive force measurements at temperatures from (293 to 353) K. Experimental results are reported and compared to literature values. Values of the standard state thermodynamic properties are derived from the experimental results and compared to the values of commercially available amines used as absorbents for CO 2 capture.
Collaboration in Truck Appointment System in Container Terminals
Due to the continual increase of the global containerized trade, many container terminals face the problem of high demands that their current resource capacity cannot afford. The consequences of such situation are not only the long queues of trucks at the entrance gates and storage yards but also the large turnaround times of trucks. In response, Truck Appointment Systems (TAS) were introduced to schedule truck arrivals in order to alleviate the terminal rush hours, however, the mandatory appointments developed by TASs have a negative impact on the operations as well as resources of the trucking companies. In recent literature, this issue was considered by introducing collaborative TAS in which the trucking companies as well as the container terminals collaborate to set the truck appointments. This work elaborates on the difference between traditional and collaborative TAS and demonstrates how collaborative TAS can improve the performance of the container terminal and reduce the cost of the trucking companies. 
Evaluation of in vitro and in vivo Cytotoxic Activities and Kinase Inhibition of Newly Synthesized Cyclo (Nα-Dinicotinoyl)-Bis-[(L-Valinyl)-L-Lysine Methyl Ester]
222-225Cancer is a major risk disease affecting human survival. The pharmaceutical companies are continuing searching for new drug candidates with promising anticancer activities, and reduced side effects. The current work aimed at synthesized a new tripeptide with potential pharmacological properties. L-Valine methyl ester was used to prepare cyclo (Nα-dinicotinoyl)-bis-[(L-valinyl)-L-lysine methyl ester. The new compound revealed promising in vitro cytotoxic activities against different neuroblastoma, cervical carcinoma, fibrosarcoma as well as hepatocellular carcinomas. Furthermore, we also found that the obtained IC50 of the compound decreased by about 50% during its in vivo anti-prostate cancer evaluation. Furthermore, the mechanism of action studies proposes that the new prepared derivative affects cancer cells trough the inhibition of VEGFR-2 kinase enzyme
A probabilistic multi-objective approach for FACTS devices allocation with different levels of wind penetration under uncertainties and load correlation
This study presents a probabilistic multi-objective optimization approach to obtain the optimal locations and sizes of static var compensator (SVC) and thyristor-controlled series capacitor (TCSC) in a power transmission network with large level of wind generation. In this study, the uncertainties of the wind power generation and correlated load demand are considered. The uncertainties are modeled in this work using the points estimation method (PEM). The optimization problem is solved using the Multi-objective particle swarm optimization (MOPSO) algorithm to find the best position and rating of the flexible AC transmission system (FACTS) devices. The objective of the problem is to maximize the system loadability while minimizing the power losses and FACTS devices installation cost. Additionally, a technique based on fuzzy decision-making approach is employed to extract one of the Pareto optimal solutions as the best compromise one. The proposed approach is applied on the modified IEEE 30-bus system. The numerical results evince the effectiveness of the proposed approach and shows the economic benefits that can be achieved when considering the FACTS controller
A REVIEW: OPUNTIA FICUS-INDICA AS A SOURCE OF BIOACTIVE COMPOUND INGREDIENTS FOR FUNCTIONAL FOODS, NUTRITION, HUMAN DISEASE AND HEALTH
Originally from Mexico, today, prickly pears (Opuntia ficus-indica (L.) Mill.) can be found worldwide, but they are most common in Africa., Australia, and the countries of the Mediterranean. The Cactaceae family, which has more than 1500 species of cactus, includes prickly pears. Additionally, consumers are becoming more and more interested in it because it contains bioactive substances like carotenoids, sterols, polyunsaturated fatty acids, polyphenols, and vitamins that are linked to important biological and functional activities such as effects on antioxidants, inflammation, and hypoglycemia as it prospers in dry and semiarid areas, this plant is very effective in preventing desertification and can be exploited in fields and gardens as a fence. Although it is frequently used today to make culinary products like jams and juices, it is also eaten as a fruit. If one wishes to create novel products with health-promoting properties for food, cosmetics, or pharmaceutical fields, as a feasible wellspring of phytochemicals for practical food sources, natural additions, or nutritional supplements, prickly pears are affordable.
Peer Review History:
Received 3 December 2023; Revised 25 January 2024; Accepted 6 March; Available online 15 March 2024
Academic Editor: Dr. Sally A. El-Zahaby, Pharos University in Alexandria, Egypt, [email protected]
Average Peer review marks at initial stage: 6.0/10
Average Peer review marks at publication stage: 7.0/10
Reviewers:
Dr. Gehan Fawzy Abdel Raoof Kandeel, Pharmacognosy Department, National Research Centre, Dokki, 12622, Giza, Egypt, [email protected]
Dr. Evren Alğin Yapar, Turkish Medicines and Medical Devices Agency, Turkiye, [email protected]
Optimizing the Flexural Behavior of Bamboo Reinforced Concrete Beams Containing Cassava Peel Ash using Response Surface Methodology
The growing concern to reduce global warming has necessitated the use of more eco-friendly materials in construction. The study is focused on the utilization of cassava peel ash as supplementary cementitious material and bamboo as reinforcement in concrete beams. The response surface methodology approach was explored to determine the effect of simultaneously varying the cassava peel ash content, bamboo size, beam length, and beam depth on the flexural strength and strain of beams. An analysis of variance was carried out on experimentally obtained results to determine the accuracy of the obtained models and the contributions made by the linear interaction and quadratic terms on flexural strength and flexural strain. The coefficient of determination obtained for RSM models showed a good correlation between all predicted and experimentally obtained results. The optimum conditions obtained for bamboo-reinforced concrete containing cassava peel ash were 3% cassava peel ash, 16 mm bamboo diameter, 500 mm beam length, and 150 mm beam depth. The predicted flexural strengths were 11.85, 14.34, and 14.95 N/mm2 and flexural strains of 0.64, 0.67, and 0.91 for 28 days, 56 days, and 90 days, respectively. To validate the model prediction, a laboratory experiment was conducted using the optimum mix design proportion. From the results obtained, it was observed that the experimental results were close to those predicted by the models. These models can be efficiently used for simulating the flexural behavior of bamboo-reinforced concrete beams. Doi: 10.28991/CEJ-2023-09-08-011 Full Text: PD
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