Subjects -> CHEMISTRY (Total: 986 journals)
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ORGANIC CHEMISTRY (47 journals)

Showing 1 - 47 of 47 Journals sorted alphabetically
ACS Omega     Open Access   (Followers: 5)
Advances in Image and Video Processing     Open Access   (Followers: 24)
Advances in Physical Organic Chemistry     Full-text available via subscription   (Followers: 11)
Advances in Redox Research     Open Access   (Followers: 1)
American Journal of Organic Chemistry     Open Access   (Followers: 25)
Asian Journal of Organic Chemistry     Hybrid Journal   (Followers: 10)
Beilstein Journal of Organic Chemistry     Open Access   (Followers: 23)
Biochemia Medica     Open Access  
Current Organic Chemistry     Hybrid Journal   (Followers: 21)
Current Organic Synthesis     Hybrid Journal   (Followers: 21)
Current Organocatalysis     Hybrid Journal   (Followers: 3)
Developments in Soil Science     Full-text available via subscription   (Followers: 10)
European Journal of Organic Chemistry     Hybrid Journal   (Followers: 78)
Herbal Medicine: Open Access     Open Access   (Followers: 1)
International Journal of Organic Chemistry     Open Access   (Followers: 14)
International Journal of Polymeric Materials     Hybrid Journal   (Followers: 6)
Journal of Bioactive and Compatible Polymers     Hybrid Journal   (Followers: 3)
Journal of Biomaterials Science, Polymer Edition     Hybrid Journal   (Followers: 11)
Journal of Organic Semiconductors     Open Access   (Followers: 7)
Journal of Peptide Science     Hybrid Journal   (Followers: 16)
Journal of Physical Organic Chemistry     Hybrid Journal   (Followers: 9)
Journal of Physiology and Biochemistry     Hybrid Journal   (Followers: 3)
Journal of Progressive Research in Chemistry     Open Access   (Followers: 8)
Journal of Proteins and Proteomics     Open Access   (Followers: 2)
Letters in Organic Chemistry     Hybrid Journal   (Followers: 9)
Mini-Reviews in Organic Chemistry     Hybrid Journal   (Followers: 15)
Nigerian Journal of Chemical Research     Full-text available via subscription   (Followers: 2)
Open Journal of Organic Polymer Materials     Open Access   (Followers: 1)
Organic & Biomolecular Chemistry     Full-text available via subscription   (Followers: 77)
Organic and Medicinal Chemistry Letters     Open Access   (Followers: 9)
Organic Chemistry : Current Research     Open Access   (Followers: 17)
Organic Chemistry Frontiers     Full-text available via subscription   (Followers: 12)
Organic Chemistry Insights     Open Access   (Followers: 7)
Organic Chemistry International     Open Access   (Followers: 9)
Organic Geochemistry     Hybrid Journal   (Followers: 5)
Organic Letters     Hybrid Journal   (Followers: 212)
Organic Preparations and Procedures International: The New Journal for Organic Synthesis     Hybrid Journal   (Followers: 5)
Organic Process Research & Development     Hybrid Journal   (Followers: 43)
Progress in Organic Coatings     Hybrid Journal   (Followers: 8)
Reports in Organic Chemistry     Open Access   (Followers: 7)
Russian Journal of Organic Chemistry     Hybrid Journal   (Followers: 3)
Soils     Open Access  
Synthetic Communications: An International Journal for Rapid Communication of Synthetic Organic Chemistry     Hybrid Journal   (Followers: 35)
Tetrahedron Organic Chemistry Series     Full-text available via subscription   (Followers: 13)
The Journal of Organic Chemistry     Hybrid Journal   (Followers: 256)
Vibrational Spectroscopy     Hybrid Journal   (Followers: 13)
World Journal of Organic Chemistry     Open Access   (Followers: 8)
Similar Journals
Journal Cover
Advances in Image and Video Processing
Number of Followers: 24  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2054-7412
Published by Society for Science and Education Homepage  [4 journals]
  • Assessing seasonal climate variability impact on the malaria patient’s
           cases in the north of Côte d'Ivoire

    • Authors: Siélé SILUE; Dougba Noel Dago, Adjon Anderson Kouassi, Alima Dajuma, Madina Doumbia, N’Datchoh Evelyne Touré, Sékou Kéita
      Abstract: In recent years, the impact of climate change on human health has attracted considerable attention including their effects on malaria, which have been of particular interest due to its disease burden and transmission sensitivity to climatic conditions. The main objective of the study is to examine the relationship between intra-annual climate variability and malaria transmission in the north of Côte d’Ivoire. The monthly incidence of malaria in Korhogo 1 health district was treated as a dependent variable, and meteorological variables were independent variables. Our results highlighted that malaria is influenced by all three climatic variables (rainfall, temperature and relative humidity). The highest effect of temperature, relative humidity, and rainfall on malaria cases is observed in the months of June, July, August, September, October and November respectively. The monthly rainfall and the monthly mean relative humidity were highly correlated to monthly incidence of malaria in population under-five years old. Meanwhile, the monthly mean temperature was highly correlated to malaria incidence of pregnant women over 15 years old and to monthly incidence of malaria in under-five. Moreover, combining monthly rainfall and monthly mean temperature, monthly rainfall and monthly mean relative humidity and monthly mean temperature and relative humidity were highly correlated to malaria incidence in patients influenced by the rainy season exclusively. The combination between monthly rainfall and monthly mean relative humidity was closely correlated to malaria incidence in malaria patient influencedby rainy and/or dry season.
      PubDate: Thu, 02 Dec 2021 00:00:00 +000
       
  • Two Cosmological Hypotheses: The Friedmann-Planck Micro-Universes for
           Vacuum Particles, The Schwarzschild Photon Spheres for Elementary
           Particles

    • Authors: Raymond Fèvre; France Dijon
      Abstract: This article presents in a synthetic way two articles published in JHEPGC ([1], [2]) and develops some aspects. Two hypotheses are studied. In the first one, the vacuum is endowed with a quantum structure in which the vacuum particles are Friedmann-Planck micro-universes. For this, the article introduces a quantization of a closed Friedmann universe, then a quantization of the photon spheres filling this universe. This approach gives a numerical value consistent with cosmological measurements for the current dark energy density of our Universe. Next, the second hypothesis takes the content of a model published in Physics Essays in 2013 [3], assuming that elementary particles are Schwarzschild photon spheres; these could be derived from the Friedmann photon spheres composing the vacuum particles. It is further recalled that the model presents a unified structure of elementary particles and allows us to calculate the value of the elementary electric charge as well as the mass of the elementary particles. Finally this article summarizes a model of closed universe described in reference [2]
      PubDate: Thu, 02 Dec 2021 00:00:00 +000
       
  • Choosing the Urban Cargo Vehicle

    • Authors: Cesar Eduardo Leite
      Abstract: The concentration of the population in urban areas and its consequences on the lack of social well-being generate pollution and several inconveniences for this population. The Urban Cargo Transport service - UCT, which has one of its bottlenecks in the Urban Cargo Vehicle – UCV, is seen as one of the main generators of these inconveniences. This work seeks to identify gaps in the research carried out on the UCT, aimed at choosing the UCV that offers less impact on inconveniences. With the Systematic Literature Review – SLR, articles are selected, which are studied in-depth and demonstrate the trends presented here.
      PubDate: Sun, 28 Nov 2021 00:00:00 +000
       
  • L. da Vinci's Turbulence, Multi-dimensional Golden Spinors,
           Prandtl's Boundary Layer and Quantum Mechanical Spin are all implied
           by the Golden Number System

    • Authors: M. S. Elnaschie
      Abstract: The present short paper proposes a new elucidation of quantum spin as a higher dimensional golden spiral akin to da Vinci’s fluid turbulence and various related nonlinear dynamic subjects. In particular and as an extension of the Fibonacci spinor all the obtained conclusions are almost a trivial consequence of taking the limit of iterating the said Fibonacci spinor and are thus implied as part and parcel by the use of the E-Infinity golden mean number system developed in the Greek-Egyptian Alexandria school of science by the dedicated work of Plato, Pythagoras, their followers and disciples.
      PubDate: Sun, 28 Nov 2021 00:00:00 +000
       
  • Combine Effect of Vitamin C and venlafaxine on the Amino Acid Content of
           Saccharomyces cerevisiae

    • Authors: Dursun Özer; Fikret Karataş, Meltem Çakmak; Sinan SAYDAM
      Abstract: In this study, Saccharomyces cerevisiae (NRLLY-12632) was grown in YPD medium containing different concentrations of venlafaxine, (RS)-1-[2-dimethylamino-1-(4-methoxyphenyl)-ethyl] cyclohexanol. To counteract the effect of venlafaxine, vitamin C were added to the growth medium of S. cerevisiae, and amino acids content were investigated by HPLC. It was observed that, the amount of amino acids in S. cerevisiae grown in YPD medium, containing 100, 200, 300, 400 and 500 ppm venlafaxine were compared with the control, the amounts of alanine, arginine, asparagine, aspartic acid, cysteine, glycine, histidine, isoleucine, leucine, lysine, phenylalanine, proline, threonine, tyrosine and valine increased (p<0.05), glutamic acid, glutamine, methionine, serine and tryptophan levels were decreased p<0.05). With the addition of vitamin C to the growth medium containing venlafaxine, all the amino acids concentrations get close to the control group. From these findings, it can be said that the negative effect of venlafaxine on S. cerevisiae is reduced by the addition of vitamin C to the medium.
      PubDate: Sun, 28 Nov 2021 00:00:00 +000
       
  • Several conjectures about the existence of the ether

    • Authors: Jinjun Cheng; Dian Cheng
      Abstract: The "zero result" of Michelson Morley's experiment was not enough to deny the existence of a fifth element---ether, as conceived by Aristotle. Hubble's explanation of the Doppler effect of the systematic cosmic the red shift was incomplete and needed to be introduced into the ether.The physical significance of universal gravitation constant reveals the possibility of the existence of ether. After much thought and logical reasoning, there is good reason to think that the ether is negative energy, stream of consciousness, and space itself, it combines with photons to build elementary particles, elementary elements, everything in the universe, including ourselves. In addition, it is feasible to explain the causes of gravitation, electromagnetic force, strong force and weak force from the perspective of the ether, which seems to be easier for us to understand. The most tragic conclusion is that the universe was created out of nothing and will eventually return to nothing.
      PubDate: Sun, 28 Nov 2021 00:00:00 +000
       
  • Characterization and Composition Analysis of Municipal Solid Waste for
           Bioethanol Production

    • Authors: Osadebe Biose; Maureen Imhontu, Oghosa Akenzua, Bildad Atsegha, Christopher Okorie, James Onabe, Jonah D. Angalapu, Bawo Kubeyinje, Shella Amrasa Omojevwe, Igbinoimwahia D. Iyeke
      Abstract: Every unwanted or non-useful solid substance generated in any human population is referred to as solid waste. Globally, the management of solid waste is an enormous challenge for municipalities. Previous studies have indicated that an increase in population with relating attendant urbanization dynamics and growth of continuous aggregation will further aggravate this challenge. This paper aims at determining the potentials of using municipal solid waste as a feedstock in the commercial production of Bioethanol. The research team which was made up of the coordinator, co-coordinators and research assistants carried out a preliminary survey which consist of mapping the study areas and obtaining some information through the observation of the various sites. The study area which was the residential areas of the University of Benin community were then mapped into Senior Staff Quarters (which comprised of Professorial quarters, senior staff quarters and Blocks of flats), junior staff quarters and Student Hall of Residence. A preliminary survey form was originated for this purpose. Printing of questionnaires, sample notes, pamphlets, stickers and tagging of bin baskets and wheelie bins were done. A three (3) Stage sorting and characterization of respondents’ waste were carried out. Composition of waste was determined after which the digital weighing balance was used to determine the mass of the waste which was recorded, before allowing proper disposal of the waste. Samples of sorted waste (organic) were collected into sample bottles and taken to the laboratory for microbial analysis. The solid waste generated is made of nine major components for which color coded bags was used to differentiate them (fruit, food, plastic, paper, glass, metals, combustibles, leaves, and ceramics). The study showed that 58.85% of the total solid waste generated in the residential areas of the University of Benin was made of biodegradable matter (food and fruit) which can be harnessed for the production of Bioethanol. The recyclables (Papers and Plastics) which are 36.34 % of the waste can also be recycled into other useful products. Efforts should be made by stakeholders to evolve sustainable waste management policies for disposal, waste reduction and recycling projects.
      PubDate: Sun, 28 Nov 2021 00:00:00 +000
       
  • A Spatial Analysis Of Settlement Pattern Of Jakham River Basin In
           Pratapgarh District, Rajasthan

    • Authors: Varun Binda
      Abstract: In the recent era, in geographical studies, the spatial analysis of settlement has an essential place of research. The focus of the study, to relate settlements to their locational arrangement and their connection with each other. The evolution of settlement patterns in an area is governed by several factors, i.e. physical, cultural, etc. Hence, varied ways in the spatial distribution of settlement are found. In this research paper, the author uses the Nearest Neighbourhood Analysis technique for study. Generally, concentration is located in and around the city centre, and concentration continuously decreases as we go away from the city centre. But in this case of the above research of the Jakham river basin in Pratapgarh district, the situation is reverted. It noticed that uniformity is found in the concentration level and distribution pattern all over the district except in the North-western plain. 
      PubDate: Fri, 26 Nov 2021 00:00:00 +000
       
  • Cosmic Luminous Shock Waves

    • Authors: Russell Bagdoo
      Abstract: We hypothesize the existence of cosmic luminous shock waves which might participate in the formation of clouds and severe weather events, such as tornadoes, hurricanes. These waves would have the peculiarity to be created and modulated by the shock of galactic cosmic rays and extragalactic gamma rays with the particles of the solar corona: the energetic particles of cosmic rays collide with atoms of the solar atmosphere, shatter them, with the result that the velocity of the ultra-relativistic electron in the solar plasma might be greater than the speed of light in this medium. What, in particular, would produce a secondary radiation of higher intensity analogous to that of the shock waves radiating in liquids by Cherenkov effect. Their existence may be linked to a visual phenomenon called «experience of bright light flashes» with which all the astronauts are confronted. There would be a Cherenkov radiation in higher atmospheric layers and in the solar plasma, similar to that which exists in liquid medium, suitable for modifying the albedo of the planet and strike the eyes of people in space.
      PubDate: Fri, 26 Nov 2021 00:00:00 +000
       
  • Estimation of CO2 and Carbon Exchange Rate of Strawberry in Greenhouse
           Cultivation with 1D Convolutional Neural Network and Temperature for
           Application to Agriculture

    • Authors: Natsuki Yoshida; Hiroshi Mineno, Naoki Oishi, Natsuru Futamata
      Abstract: Estimates of CO2 and Carbon Exchange Rate (CER) is vital tasks for agriculture challenges and hydrological and climate science studies. In the situation that farmers decrease and climate change, applying artificial intelligence techniques to agriculture challenges are desired as innovative approaches to overcome these difficulties in Society.  This study aim to approach following four agriculture challenges (1)limited available data (2) real-time estimate (3) reliable estimate (4) user-friendly, using deep learning models and environment datasets of strawberry in greenhouse cultivation. In this study, using deep learning models, 1D Convolutional Neural Network(1D CNN), Long-Short-Term-Memory(LSTM) and 1D CNN+LSTM, the estimation of CO2 and Carbon Exchange Rate of Strawberry in greenhouse cultivation at one minutes or ten minutes time duration are evaluated. 1D CNN performed the best with R2 0.67 for CO2 in one minute time duration from Temperature, Vapour Pressure Deficit. The applying 1D CNN for estimate CER in ten minutes duration performed with R2 0.77 from Temperature. These results suggest that applying 1D CNN success for estimate CO2 and CER of strawberry in greenhouse cultivation with limited available data and its applicability in agriculture system in society. 
      PubDate: Thu, 18 Nov 2021 00:00:00 +000
       
  • An Overview on Human Helminthic Parasitology III. Cestodes, the Tapeworms

    • Authors: MOHAMMAD SALIM; MOHAMMAD SHAHID MASROOR, SHAGUFTA PARWEEN, AMRITA SINGH
      Abstract: Helminths developed a variety of diseases in humans. They are invertebrate animals usually found in the intestines of the hosts. Cestodes in association with normal ailments and diseases caused by them, they infrequently produce some other specific diseases like cysticercosis, neurocysticercosis and hydatid diseases in humans. The present review is third in the series of helminthic parasitology discussing some of the Cestodes in the light of recent researches done so far in the same field.
      PubDate: Thu, 18 Nov 2021 00:00:00 +000
       
  • Catastrophic Geological Event Illuminates Egyptian Kings List Anno Mundi
           Reference

    • Authors: Judith Giannini
      Abstract: The preponderance of catastrophe myths in ancient cultures around the world indicates the importance of contemplating the ancient beginnings. This paper considers the legendary Egyptian beginning of the world event, Anno Mundi, to which Eratosthenes referenced the reign of the first king of the Unification, Menes. Menes’ identity is still in question, and the nature of the event is left undefined. First, the dates for the possible candidates for the person Menes as a starting point to locate AM in time are considered. Next, possible event types that might qualify as world-defining events are considered. Finally, it is concluded that a geological event (an unrelenting series of closely spaced eruptions on Mount Erciyes in Anatolia) in 8200 BP is consistent with the expected date for the Anno Mundi, and the reign date for King Scorpion(I) who is proposed as the most likely Menes based on all of the considerations. It is believed the identified date and Menes candidate provide a plausible explanation for the otherwise unsubstantiated legendary event.
      PubDate: Thu, 18 Nov 2021 00:00:00 +000
       
  • Ph Responsive In-Vitro Drug Release Behavior of Poly (Malic
           Acid-Co-Butane-1,4-Diol-Co-Maleic Acid)

    • Authors: Abu Mahmud; Abu Bakr
      Abstract: Four mixtures of malic acid and maleic acid in mole combinations (1.0+0.1), (1.0+0.2), (1.0+0.3), and (1.0+0.4) respectively were separately polymerized with one mole of butane 1,4-diol in Dean-Stark apparatus using xylene as the reaction medium. Among the synthesized co-polyesters, sample II had the highest molecular weight and it was selected for subsequent experiments. It was characterized by its IR-spectrum, solubility in common organic solvents, elemental analysis and hydrolytic degradation test. It was found from hydrolytic degradation test that the said polyester sample did not degrade or swell in acid medium but gradually degraded in basic medium. Because of having such pH responsive behavior it was tried as an enteric coating material on diclofenac sodium core tablets. In vitro drug release pattern of co-polyester coated samples matches with the British Pharmacopoeia standard drug release profile of enteric-coating material.
      PubDate: Tue, 16 Nov 2021 00:00:00 +000
       
  • The Matter/Antimatter Issue

    • Authors: Jeremy Dunning-Davies; Rich Norman
      Abstract: From the moment it was first proposed, the Big Bang model has faced serious problems of one form and another. Amongst these was the fact that it proposed an initial balance between matter and antimatter but no collections of antimatter were observed. Here, this problem is addressed yet again, drawing on earlier work by several distinguished scientists but also advancing ideas based on recent analyses that have revealed a new seventh scalar part to the electromagnetic field with positive and negative energy.
      PubDate: Tue, 16 Nov 2021 00:00:00 +000
       
  • R Shape & R Objects-Images Represented in the World

    • Authors: Ameyo S. Awuku
      Abstract: .
      PubDate: Tue, 16 Nov 2021 00:00:00 +000
       
  • Physicochemical characterization of agricultural by-products: case of the
           peelings of varieties of yams produced in Côte d’Ivoire

    • Authors: Irène Ahou Kouadio
      Abstract: In this study, the physicochemical characteristics of the peelings of three varieties of yam commonly called "Bètè Bètè". "Krenglè" and "Kponan" which are the most consumed in Côte d'Ivoire were evaluated in order to contribute to the determination of the nutritional value of this fraction of these yams which is very often thrown away as household waste. Known standard methods were used for this physicochemical characterization. The results obtained show that the peelings of the variety "Kponan" are the richest in fat (2.33% ± 0.02), carbohydrates (82.95% ± 0.02) and fiber (1.58 % ± 0.01). On the other hand, the highest proteins content (8.05% ± 0.1) was observed in those of the variety “Bètè Bètè”. This protein content is also higher than those observed in the flesh of yams. For major minerals such as magnesium and iron, the highest levels were observed in the peelings of the variety “Krenglè”. Those of the variety “Kponan” are the richest in potassium. On the other hand, the peelings of the variety “Bètè Bètè” are the richest in calcium. These yam’s peelings could thus be transformed for use in times of scarcity to fight against Hunger.
      PubDate: Tue, 16 Nov 2021 00:00:00 +000
       
  • Evaluation of desert aerosols impact on the solar radiation received by a
           photovoltaic field

    • Authors: Wend Dolean Arsène ILBOUDO; Bruno KORGO, Ngando Akoumou Manga, Nébon BADO, Pèlèga Florent KIENO
      Abstract: This work focuses on the assessment of desert aerosols impact on the global solar radiation of photovoltaic (PV) solar fields. We used data from the experiment carried out using the multilayer model. Two parameters were used, namely the optical aerosol depth () and the aerosol deposition thickness on the surface of the PV solar field (X). By simulations, using variations of these parameters, we noted for the extremes values of  (X = 1.5 μm,  = 0 μm) and (X = 0,  = 1.5 μm), an attenuation of the overall radiation of respectively 84.85% and  98.78%. This clearly shows that the parameter  is the most attenuating factor of the global radiation in comparison with X. In view of the results obtained, it appears that desert aerosols have a significant impact on the electric yield of solar photovoltaic systems in West Africa especially in the Sahel region.
      PubDate: Tue, 16 Nov 2021 00:00:00 +000
       
  • Evaluation of Seed Propagation and Early Growth Rates of Ocimum
           Gratissimum (Shrubby Basil) as Affected by Different Growth Media

    • Authors: Kareem; I. A
      Abstract: Variations in seedling emergence and morphological indices of Ocimum gratissimum (shrubby basil/scent leaf) seedlings in three soil types were evaluated sequel to the fact that some people believe that it is difficult to propagate it from its seeds and thereby relying on this plant that develop through dispersal despite its multiple benefits. This plant is shrubby and often utilized for culinary and other numerous medicinal purposes. The study was carried out in the Screen House of the Department of Plant Science and Biotechnology, Adekunle Ajasin University, Akungba - Akoko, Ondo State, Nigeria. Viable seeds of Ocimum gratissimum were obtained from Akungba – Akoko and the different soil types (washed river sand, sandy soil and sandy loam) used were procured from the University premises and analyzed by employing standard laboratory procedures. The experimental design used was a completely randomized design consisting of 3 treatments and 5 replicates. Analyzed soil samples (treatments) showed that sandy loam had the highest nutrient status and washed river sand was the lowest especially with regard to organic matter, %Nitrogen and available Phosphorus. The study lasted for 13 weeks and data obtained were analyzed using SPSS software package (version 20.0). Results indicated that seedling emergence commenced at the 4th day after sowing in all the treatments but washed river sand had the highest SE percentage (7th day after sowing) with significant difference (at P<0.05). Conversely, sandy loam had the highest values in all the morphological growth indices (significant at P<0.05) owing to its higher nutrient status. Thus, sandy loam was recommended for large scale production of the seedlings of this plant for its culinary and numerous medicinal uses.
      PubDate: Tue, 16 Nov 2021 00:00:00 +000
       
 
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