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  Subjects -> CHEMISTRY (Total: 842 journals)
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    - CHEMISTRY (594 journals)
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CHEMISTRY (594 journals)                  1 2 3 | Last

Showing 1 - 200 of 735 Journals sorted alphabetically
2D Materials     Hybrid Journal   (Followers: 8)
Accreditation and Quality Assurance: Journal for Quality, Comparability and Reliability in Chemical Measurement     Hybrid Journal   (Followers: 26)
ACS Catalysis     Full-text available via subscription   (Followers: 34)
ACS Chemical Neuroscience     Full-text available via subscription   (Followers: 17)
ACS Combinatorial Science     Full-text available via subscription   (Followers: 23)
ACS Macro Letters     Full-text available via subscription   (Followers: 23)
ACS Medicinal Chemistry Letters     Full-text available via subscription   (Followers: 39)
ACS Nano     Full-text available via subscription   (Followers: 230)
ACS Photonics     Full-text available via subscription   (Followers: 11)
ACS Synthetic Biology     Full-text available via subscription   (Followers: 21)
Acta Chemica Iasi     Open Access   (Followers: 2)
Acta Chimica Sinica     Full-text available via subscription   (Followers: 1)
Acta Chimica Slovaca     Open Access   (Followers: 1)
Acta Chromatographica     Full-text available via subscription   (Followers: 9)
Acta Facultatis Medicae Naissensis     Open Access  
Acta Metallurgica Sinica (English Letters)     Hybrid Journal   (Followers: 5)
Acta Scientifica Naturalis     Open Access   (Followers: 2)
adhäsion KLEBEN & DICHTEN     Hybrid Journal   (Followers: 5)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 7)
Adsorption Science & Technology     Full-text available via subscription   (Followers: 5)
Advanced Functional Materials     Hybrid Journal   (Followers: 50)
Advanced Science Focus     Free   (Followers: 3)
Advances in Chemical Engineering and Science     Open Access   (Followers: 53)
Advances in Chemical Science     Open Access   (Followers: 13)
Advances in Chemistry     Open Access   (Followers: 14)
Advances in Colloid and Interface Science     Full-text available via subscription   (Followers: 18)
Advances in Drug Research     Full-text available via subscription   (Followers: 22)
Advances in Enzyme Research     Open Access   (Followers: 9)
Advances in Fluorine Science     Full-text available via subscription   (Followers: 8)
Advances in Fuel Cells     Full-text available via subscription   (Followers: 15)
Advances in Heterocyclic Chemistry     Full-text available via subscription   (Followers: 8)
Advances in Materials Physics and Chemistry     Open Access   (Followers: 19)
Advances in Nanoparticles     Open Access   (Followers: 14)
Advances in Organometallic Chemistry     Full-text available via subscription   (Followers: 15)
Advances in Polymer Science     Hybrid Journal   (Followers: 41)
Advances in Protein Chemistry     Full-text available via subscription   (Followers: 18)
Advances in Protein Chemistry and Structural Biology     Full-text available via subscription   (Followers: 19)
Advances in Quantum Chemistry     Full-text available via subscription   (Followers: 5)
Advances in Science and Technology     Full-text available via subscription   (Followers: 12)
African Journal of Bacteriology Research     Open Access  
African Journal of Chemical Education     Open Access   (Followers: 2)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 7)
Agrokémia és Talajtan     Full-text available via subscription   (Followers: 2)
Alkaloids: Chemical and Biological Perspectives     Full-text available via subscription   (Followers: 3)
AMB Express     Open Access   (Followers: 1)
Ambix     Hybrid Journal   (Followers: 3)
American Journal of Biochemistry and Biotechnology     Open Access   (Followers: 68)
American Journal of Biochemistry and Molecular Biology     Open Access   (Followers: 14)
American Journal of Chemistry     Open Access   (Followers: 26)
American Journal of Plant Physiology     Open Access   (Followers: 13)
American Mineralogist     Hybrid Journal   (Followers: 14)
Analyst     Full-text available via subscription   (Followers: 38)
Angewandte Chemie     Hybrid Journal   (Followers: 160)
Angewandte Chemie International Edition     Hybrid Journal   (Followers: 212)
Annales UMCS, Chemia     Open Access   (Followers: 1)
Annals of Clinical Chemistry and Laboratory Medicine     Open Access   (Followers: 1)
Annual Reports in Computational Chemistry     Full-text available via subscription   (Followers: 3)
Annual Reports Section A (Inorganic Chemistry)     Full-text available via subscription   (Followers: 3)
Annual Reports Section B (Organic Chemistry)     Full-text available via subscription   (Followers: 8)
Annual Review of Chemical and Biomolecular Engineering     Full-text available via subscription   (Followers: 13)
Annual Review of Food Science and Technology     Full-text available via subscription   (Followers: 14)
Anti-Infective Agents     Hybrid Journal   (Followers: 3)
Antiviral Chemistry and Chemotherapy     Hybrid Journal  
Applied Organometallic Chemistry     Hybrid Journal   (Followers: 7)
Applied Spectroscopy     Full-text available via subscription   (Followers: 23)
Applied Surface Science     Hybrid Journal   (Followers: 28)
Arabian Journal of Chemistry     Open Access   (Followers: 6)
ARKIVOC     Open Access   (Followers: 2)
Asian Journal of Biochemistry     Open Access   (Followers: 1)
Atomization and Sprays     Full-text available via subscription   (Followers: 3)
Australian Journal of Chemistry     Hybrid Journal   (Followers: 7)
Autophagy     Hybrid Journal   (Followers: 2)
Avances en Quimica     Open Access   (Followers: 1)
Biochemical Pharmacology     Hybrid Journal   (Followers: 10)
Biochemistry     Full-text available via subscription   (Followers: 290)
Biochemistry Insights     Open Access   (Followers: 5)
Biochemistry Research International     Open Access   (Followers: 6)
BioChip Journal     Hybrid Journal  
Bioinorganic Chemistry and Applications     Open Access   (Followers: 9)
Bioinspired Materials     Open Access   (Followers: 5)
Biointerface Research in Applied Chemistry     Open Access   (Followers: 2)
Biointerphases     Open Access   (Followers: 1)
Biology, Medicine, & Natural Product Chemistry     Open Access   (Followers: 1)
Biomacromolecules     Full-text available via subscription   (Followers: 19)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 10)
Biomedical Chromatography     Hybrid Journal   (Followers: 6)
Biomolecular NMR Assignments     Hybrid Journal   (Followers: 3)
BioNanoScience     Partially Free   (Followers: 4)
Bioorganic & Medicinal Chemistry     Hybrid Journal   (Followers: 114)
Bioorganic & Medicinal Chemistry Letters     Hybrid Journal   (Followers: 94)
Bioorganic Chemistry     Hybrid Journal   (Followers: 10)
Biopolymers     Hybrid Journal   (Followers: 18)
Biosensors     Open Access   (Followers: 2)
Biotechnic and Histochemistry     Hybrid Journal   (Followers: 1)
Bitácora Digital     Open Access  
Boletin de la Sociedad Chilena de Quimica     Open Access  
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 2)
Bulletin of the Chemical Society of Japan     Full-text available via subscription   (Followers: 24)
Bulletin of the Korean Chemical Society     Hybrid Journal   (Followers: 1)
C - Journal of Carbon Research     Open Access   (Followers: 3)
Cakra Kimia (Indonesian E-Journal of Applied Chemistry)     Open Access  
Canadian Association of Radiologists Journal     Full-text available via subscription   (Followers: 2)
Canadian Journal of Chemistry     Hybrid Journal   (Followers: 10)
Canadian Mineralogist     Full-text available via subscription   (Followers: 3)
Carbohydrate Research     Hybrid Journal   (Followers: 26)
Carbon     Hybrid Journal   (Followers: 66)
Catalysis for Sustainable Energy     Open Access   (Followers: 6)
Catalysis Reviews: Science and Engineering     Hybrid Journal   (Followers: 8)
Catalysis Science and Technology     Free   (Followers: 6)
Catalysis Surveys from Asia     Hybrid Journal   (Followers: 3)
Catalysts     Open Access   (Followers: 7)
Cellulose     Hybrid Journal   (Followers: 7)
Cereal Chemistry     Full-text available via subscription   (Followers: 4)
ChemBioEng Reviews     Full-text available via subscription   (Followers: 1)
ChemCatChem     Hybrid Journal   (Followers: 8)
Chemical and Engineering News     Free   (Followers: 12)
Chemical Bulletin of Kazakh National University     Open Access  
Chemical Communications     Full-text available via subscription   (Followers: 71)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 23)
Chemical Research in Chinese Universities     Hybrid Journal   (Followers: 3)
Chemical Research in Toxicology     Full-text available via subscription   (Followers: 19)
Chemical Reviews     Full-text available via subscription   (Followers: 178)
Chemical Science     Open Access   (Followers: 21)
Chemical Technology     Open Access   (Followers: 16)
Chemical Vapor Deposition     Hybrid Journal   (Followers: 5)
Chemical Week     Full-text available via subscription   (Followers: 8)
Chemie in Unserer Zeit     Hybrid Journal   (Followers: 55)
Chemie-Ingenieur-Technik (Cit)     Hybrid Journal   (Followers: 25)
ChemInform     Hybrid Journal   (Followers: 8)
Chemistry & Biodiversity     Hybrid Journal   (Followers: 6)
Chemistry & Biology     Full-text available via subscription   (Followers: 30)
Chemistry & Industry     Hybrid Journal   (Followers: 5)
Chemistry - A European Journal     Hybrid Journal   (Followers: 142)
Chemistry - An Asian Journal     Hybrid Journal   (Followers: 15)
Chemistry and Materials Research     Open Access   (Followers: 18)
Chemistry Central Journal     Open Access   (Followers: 4)
Chemistry Education Research and Practice     Free   (Followers: 5)
Chemistry in Education     Open Access   (Followers: 9)
Chemistry International     Hybrid Journal   (Followers: 2)
Chemistry Letters     Full-text available via subscription   (Followers: 45)
Chemistry of Materials     Full-text available via subscription   (Followers: 253)
Chemistry of Natural Compounds     Hybrid Journal   (Followers: 9)
Chemistry World     Full-text available via subscription   (Followers: 22)
Chemistry-Didactics-Ecology-Metrology     Open Access  
ChemistryOpen     Open Access   (Followers: 2)
Chemkon - Chemie Konkret, Forum Fuer Unterricht Und Didaktik     Hybrid Journal  
Chemoecology     Hybrid Journal   (Followers: 2)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 15)
Chemosensors     Open Access  
ChemPhysChem     Hybrid Journal   (Followers: 9)
ChemPlusChem     Hybrid Journal   (Followers: 2)
ChemTexts     Hybrid Journal  
CHIMIA International Journal for Chemistry     Full-text available via subscription   (Followers: 2)
Chinese Journal of Chemistry     Hybrid Journal   (Followers: 6)
Chinese Journal of Polymer Science     Hybrid Journal   (Followers: 10)
Chromatographia     Hybrid Journal   (Followers: 24)
Clay Minerals     Full-text available via subscription   (Followers: 10)
Cogent Chemistry     Open Access  
Colloid and Interface Science Communications     Open Access  
Colloid and Polymer Science     Hybrid Journal   (Followers: 10)
Colloids and Surfaces B: Biointerfaces     Hybrid Journal   (Followers: 7)
Combinatorial Chemistry & High Throughput Screening     Hybrid Journal   (Followers: 3)
Combustion Science and Technology     Hybrid Journal   (Followers: 18)
Comments on Inorganic Chemistry: A Journal of Critical Discussion of the Current Literature     Hybrid Journal   (Followers: 2)
Composite Interfaces     Hybrid Journal   (Followers: 6)
Comprehensive Chemical Kinetics     Full-text available via subscription   (Followers: 2)
Comptes Rendus Chimie     Full-text available via subscription  
Comptes Rendus Physique     Full-text available via subscription   (Followers: 1)
Computational and Theoretical Chemistry     Hybrid Journal   (Followers: 9)
Computational Biology and Chemistry     Hybrid Journal   (Followers: 12)
Computational Chemistry     Open Access   (Followers: 2)
Computers & Chemical Engineering     Hybrid Journal   (Followers: 9)
Coordination Chemistry Reviews     Full-text available via subscription   (Followers: 2)
Copernican Letters     Open Access  
Critical Reviews in Biochemistry and Molecular Biology     Hybrid Journal   (Followers: 5)
Crystal Structure Theory and Applications     Open Access   (Followers: 3)
CrystEngComm     Full-text available via subscription   (Followers: 12)
Current Catalysis     Hybrid Journal   (Followers: 2)
Current Metabolomics     Hybrid Journal   (Followers: 5)
Current Opinion in Colloid & Interface Science     Hybrid Journal   (Followers: 9)
Current Research in Chemistry     Open Access   (Followers: 8)
Current Science     Open Access   (Followers: 58)
Dalton Transactions     Full-text available via subscription   (Followers: 22)
Detection     Open Access   (Followers: 2)
Developments in Geochemistry     Full-text available via subscription   (Followers: 2)
Diamond and Related Materials     Hybrid Journal   (Followers: 12)
Dislocations in Solids     Full-text available via subscription  
Doklady Chemistry     Hybrid Journal  
Drying Technology: An International Journal     Hybrid Journal   (Followers: 4)
Eclética Química     Open Access   (Followers: 1)
Ecological Chemistry and Engineering S     Open Access   (Followers: 4)
Ecotoxicology and Environmental Contamination     Open Access  
Educación Química     Open Access   (Followers: 1)
Education for Chemical Engineers     Hybrid Journal   (Followers: 5)
EJNMMI Radiopharmacy and Chemistry     Open Access  
Elements     Full-text available via subscription   (Followers: 2)
Environmental Chemistry     Hybrid Journal   (Followers: 9)
Environmental Chemistry Letters     Hybrid Journal   (Followers: 4)
Environmental Science & Technology Letters     Full-text available via subscription   (Followers: 5)
Environmental Science : Nano     Partially Free   (Followers: 1)

        1 2 3 | Last

Journal Cover Chemistry and Materials Research
  [18 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2224-3224 - ISSN (Online) 2225-0956
   Published by IISTE Homepage  [37 journals]
  • Journal Coverpage

    • Authors: Journal Editor
      Abstract: Journal Coverpage

      Issue No: Vol. 9
       
  • Preparation and Characterization of ‘Green’ Nano Silica from
           Rice Husks

    • Authors: Ityokyaa Daniel Terkula, R. A. Wuana, M. S. Iorungwa
      Abstract: Silica with Nanostructure is a high quality silica that is used in many industrial areas. The study was aimed at preparation and characterization of nanao silica from rice husk by precipitation method. The rice husk ash (RHA) was obtained by washing and burning rice husk (RH) at 700oC for 2 h in a muffle furnace. The RHA was subjected to Energy dispersive x-ray fluorescence (EDXRF) and silicon content was as high as 36.53 %. Indicating that there was silicon dioxide (silica) in RHA. Rice husk pure silica (RHS) was obtained by alkaline extraction method of 10g of RHA using 2.5 M sodium hydroxide. 9.3 g of RHS was obtained. The FT-IR spectral data which showed Absorption signals at 1069.7 cm-1, 957.97 cm-1, 797.7 cm-1 , 1632.6 cm-1  ,2885.0 – 3900 cm-1 and 2158.17 cm-1 , supported that the  substance produced is silica. The RHS was subjected to precipitation by refluxing silica with 6 M HCl and dissolving the substrate in 2.5 M NaOH by continuous stirring for 1 hour on a magnetic stirrer and then concentrated H2SO4 was added to adjust pH in the range of 7.5-8.5in order to produce nanosilica. The prepared Rice husk nano silica (RHNS) showed an X-ray diffractogram that has a strong broad peak at  18˚ to 36.5˚(2 ), which the absence of  sharp peak indicates that nanosilica prepared  is amorphous. FT-IR of RHNS support that the substance is silica. The SEM of the RHNS showed aggregates of silica forming fine globules of varied sizes. The EDXRF shows a complete removal of K from the RHA by alkaline treatment. Keywords: Rice husk, precipitation, EDXRF, FT-IR, SEM ,Rice husk nano silica
      Issue No: Vol. 9
       
  • Effect of Graft Ratio PVA-Urea and Different Concentration Blend Polymers
           on Swelling Ratio

    • Authors: Abbas Khamas Hussein, Bassam Ibrahim Khalil, Hind Hussein Abud
      Abstract: The polymeric materials still important parameters for drug delivery research.In the present work two graft polymers PVA-U were prepared from reaction  polyvinyl alcohol PVA  and urea by using two ratio concentration from urea. Were blending 8% PVA-U and 5% Hydroxypropyl methylcellulose HPMC  in different ratio 100:0, 75:25 and 50:50  with using glutaraldehyde as crosslinked agent 0.75 ml/dl. The structure of PVA-U and blend PVA-U/HPMC hydrogel was characterized by Fourier transform infrared spectroscopy FTIR, differential scanning colorimeter DSC and scanning electron microscopy SEM. Studies are made on swelling behavior for all prepared samples in different media of PH (neutral, acidic and alkaline) and deionised water.. It is found that swelling ratio depends on media and proportion of substitutes in graft polymers, in high graft polyvinyl alcohol the swelling ratio increased with pH increased from pH2 < dionized water ≤ PH7 < PH10, But in low graft polyvinyl alcohol the swelling ratio increased with pH increased from pH2 < PH10 < dionized water ≤ PH7. Swelling ratio of polymeric hydrogels was affected by composition blend polymers and it was increased by increasing the concentration of HPMC and decrease time for complete swelling. Keywords: Blend polymers, Hydrogel polymers, PVA, HPMC, Glutaraldehyde
      Issue No: Vol. 9
       
  • Study the Effect of Hydrophily Changing Silicate Catalytic (MCM-41) on
           Interaction in the Aqueous Medium

    • Authors: Bana Alikhwan
      Abstract: A  silicate  catalyst prepared which has a mezopore type (MCM-41) ,by manner that condensation where the interaction between Tetra Ethyl Ortho Silicate (TEOS) with 3-Mercapto Propyl Tri-methoxy Silane (MPTS), in the presence of superficial active substance {Cetyl Trimethyl Ammonium Bromide(C16 TAB)}at room temperature.The process of changing the surface hydophilic of the catalyst has done by using substance( Hexa methyl disilazane), which symbolized by the symbol (HMDS).Then  some measurements made for  catalyst, which is prepared in this research before and after changing  the hydrophilic. calibration results had shown that the number of acidic  sites equals (0,633m mol/lit), the specific surface is equal to (1500m2/gr),the graph lines belonging to the adsorption and desorption of nitrogen showed: decreasing the voleume of adsorbed nitrogen with increasing applied pressure whenever sample hydrophilic increased. {7}Then we prepared a compound  5-hydroxy methyl furfural according to the reference method, as a model for the interaction in an aqueous medium, by using catalyst which prepared in this research before and after changing its hydrophilic {12}. Keywords: Polar silicate catalysts, Hexa methyl disilazane, hydrophilic, acidic effective sites,MCM41, 5-hydroxy methyl furfural.
      Issue No: Vol. 9
       
  • Simultaneous Determination of Orphenadrine Citrate and Paracetamol in
           Tablets by using RP- HPLC Coupled with UV Detection

    • Authors: Mohammad Anas Alfeen
      Abstract: A simple, sensitive, specific, and cost effective method for simultaneous determination of Orphenadrine Citrate and Paracetamol was developed and validated in single dosage formulation. The sample solution of PA and ORC was prepared using methanol as a solvent. Separation of PA and ORC was achieved with a mobile phase consisting of 1% Triethylamine aqueous: Methanol: Acetonitrile (35:20:45 v/v) at a flow rate of 2.0 ml/min and the wavelength of 220nm. Separations were performed on Merck Hibar 250-4.6 RP18 (5 µm) column (250 mm X 3.4 mm), using a Lab Alliance HPLC system equipped with a UV-Vis detector, manual injector with 20 μL loop, LC pump, Clarity controller and software. Retention times of PA and ORC were 2.265 and 3.882 minutes respectively. Absolute recovery of PA and ORC was 100.20 and 100.07 % respectively. The lower limit of quantification (LLOQ) of PA and ORC was 0.3097 and 0.1063 ppm and lower limit of detection (LLOD) of PA and ORC was 0.0153 and 0.0135 ppm respectively. Linearity was established for the range of concentrations (20-140) μg/ml and (0.1-50) μg/ml for PA and ORC respectively with the coefficient of determination (R2) of 0.9991 and 0.9997 for both the compounds. The inter- and intra-day precision in the measurement of PA quality control (QC) sample 450 μg/ml, were in the range 0.1-0.2 % relative standard deviation (R.S.D) and 0.2-0.3 % (R.S.D)., respectively. The inter- and intra-day precision in the measurement of ORC quality control (QC) sample 35 μg/ml, were in the range 0.1-0.2 % (R.S.D)., and 0.0-0.3 % (R.S.D)., respectively. The developed method would be applicable for routine quality control of PA and ORC in bulk as well as in pharmaceutical formulations. Keywords: Orphenadrine Citrate, Paracetamol, RP-HPLC, Tablets, Validation.
      Issue No: Vol. 9
       
 
 
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