for Journals by Title or ISSN
for Articles by Keywords
  Subjects -> CHEMISTRY (Total: 866 journals)
    - ANALYTICAL CHEMISTRY (54 journals)
    - CHEMISTRY (606 journals)
    - CRYSTALLOGRAPHY (21 journals)
    - ELECTROCHEMISTRY (26 journals)
    - INORGANIC CHEMISTRY (42 journals)
    - ORGANIC CHEMISTRY (48 journals)
    - PHYSICAL CHEMISTRY (69 journals)

CHEMISTRY (606 journals)                  1 2 3 4 | Last

Showing 1 - 200 of 735 Journals sorted alphabetically
2D Materials     Hybrid Journal   (Followers: 13)
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: 42)
ACS Chemical Neuroscience     Full-text available via subscription   (Followers: 21)
ACS Combinatorial Science     Full-text available via subscription   (Followers: 23)
ACS Macro Letters     Full-text available via subscription   (Followers: 27)
ACS Medicinal Chemistry Letters     Full-text available via subscription   (Followers: 43)
ACS Nano     Full-text available via subscription   (Followers: 271)
ACS Photonics     Full-text available via subscription   (Followers: 12)
ACS Synthetic Biology     Full-text available via subscription   (Followers: 23)
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 Chimica Slovenica     Open Access  
Acta Chromatographica     Full-text available via subscription   (Followers: 9)
Acta Facultatis Medicae Naissensis     Open Access  
Acta Metallurgica Sinica (English Letters)     Hybrid Journal   (Followers: 6)
Acta Scientifica Naturalis     Open Access   (Followers: 2)
adhäsion KLEBEN & DICHTEN     Hybrid Journal   (Followers: 5)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 8)
Adsorption Science & Technology     Full-text available via subscription   (Followers: 5)
Advanced Functional Materials     Hybrid Journal   (Followers: 52)
Advanced Science Focus     Free   (Followers: 4)
Advances in Chemical Engineering and Science     Open Access   (Followers: 65)
Advances in Chemical Science     Open Access   (Followers: 15)
Advances in Chemistry     Open Access   (Followers: 20)
Advances in Colloid and Interface Science     Full-text available via subscription   (Followers: 18)
Advances in Drug Research     Full-text available via subscription   (Followers: 24)
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: 16)
Advances in Heterocyclic Chemistry     Full-text available via subscription   (Followers: 9)
Advances in Materials Physics and Chemistry     Open Access   (Followers: 24)
Advances in Nanoparticles     Open Access   (Followers: 15)
Advances in Organometallic Chemistry     Full-text available via subscription   (Followers: 16)
Advances in Polymer Science     Hybrid Journal   (Followers: 43)
Advances in Protein Chemistry     Full-text available via subscription   (Followers: 18)
Advances in Protein Chemistry and Structural Biology     Full-text available via subscription   (Followers: 20)
Advances in Quantum Chemistry     Full-text available via subscription   (Followers: 6)
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: 3)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 7)
Agrokémia és Talajtan     Full-text available via subscription   (Followers: 2)
Al-Kimia : Jurnal Penelitian Sains Kimia     Open Access  
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: 69)
American Journal of Biochemistry and Molecular Biology     Open Access   (Followers: 15)
American Journal of Chemistry     Open Access   (Followers: 30)
American Journal of Plant Physiology     Open Access   (Followers: 14)
American Mineralogist     Hybrid Journal   (Followers: 15)
Analyst     Full-text available via subscription   (Followers: 40)
Angewandte Chemie     Hybrid Journal   (Followers: 175)
Angewandte Chemie International Edition     Hybrid Journal   (Followers: 243)
Annales UMCS, Chemia     Open Access   (Followers: 1)
Annals of Clinical Chemistry and Laboratory Medicine     Open Access   (Followers: 5)
Annual Reports in Computational Chemistry     Full-text available via subscription   (Followers: 3)
Annual Reports Section A (Inorganic Chemistry)     Full-text available via subscription   (Followers: 4)
Annual Reports Section B (Organic Chemistry)     Full-text available via subscription   (Followers: 9)
Annual Review of Chemical and Biomolecular Engineering     Full-text available via subscription   (Followers: 12)
Annual Review of Food Science and Technology     Full-text available via subscription   (Followers: 16)
Anti-Infective Agents     Hybrid Journal   (Followers: 3)
Antiviral Chemistry and Chemotherapy     Hybrid Journal   (Followers: 1)
Applied Organometallic Chemistry     Hybrid Journal   (Followers: 7)
Applied Spectroscopy     Full-text available via subscription   (Followers: 22)
Applied Surface Science     Hybrid Journal   (Followers: 30)
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: 4)
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: 346)
Biochemistry Insights     Open Access   (Followers: 6)
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: 20)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 10)
Biomedical Chromatography     Hybrid Journal   (Followers: 7)
Biomolecular NMR Assignments     Hybrid Journal   (Followers: 3)
BioNanoScience     Partially Free   (Followers: 5)
Bioorganic & Medicinal Chemistry     Hybrid Journal   (Followers: 127)
Bioorganic & Medicinal Chemistry Letters     Hybrid Journal   (Followers: 86)
Bioorganic Chemistry     Hybrid Journal   (Followers: 10)
Biopolymers     Hybrid Journal   (Followers: 18)
Biosensors     Open Access   (Followers: 2)
Biotechnic and Histochemistry     Hybrid Journal   (Followers: 2)
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: 6)
Carbohydrate Research     Hybrid Journal   (Followers: 26)
Carbon     Hybrid Journal   (Followers: 70)
Catalysis for Sustainable Energy     Open Access   (Followers: 7)
Catalysis Reviews: Science and Engineering     Hybrid Journal   (Followers: 8)
Catalysis Science and Technology     Free   (Followers: 8)
Catalysis Surveys from Asia     Hybrid Journal   (Followers: 3)
Catalysts     Open Access   (Followers: 9)
Cellulose     Hybrid Journal   (Followers: 7)
Cereal Chemistry     Full-text available via subscription   (Followers: 5)
ChemBioEng Reviews     Full-text available via subscription   (Followers: 1)
ChemCatChem     Hybrid Journal   (Followers: 8)
Chemical and Engineering News     Free   (Followers: 17)
Chemical Bulletin of Kazakh National University     Open Access  
Chemical Communications     Full-text available via subscription   (Followers: 72)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 25)
Chemical Research in Chinese Universities     Hybrid Journal   (Followers: 3)
Chemical Research in Toxicology     Full-text available via subscription   (Followers: 22)
Chemical Reviews     Full-text available via subscription   (Followers: 196)
Chemical Science     Open Access   (Followers: 24)
Chemical Technology     Open Access   (Followers: 22)
Chemical Vapor Deposition     Hybrid Journal   (Followers: 5)
Chemical Week     Full-text available via subscription   (Followers: 8)
Chemie in Unserer Zeit     Hybrid Journal   (Followers: 56)
Chemie-Ingenieur-Technik (Cit)     Hybrid Journal   (Followers: 24)
ChemInform     Hybrid Journal   (Followers: 8)
Chemistry & Biodiversity     Hybrid Journal   (Followers: 7)
Chemistry & Biology     Full-text available via subscription   (Followers: 31)
Chemistry & Industry     Hybrid Journal   (Followers: 5)
Chemistry - A European Journal     Hybrid Journal   (Followers: 165)
Chemistry - An Asian Journal     Hybrid Journal   (Followers: 16)
Chemistry and Materials Research     Open Access   (Followers: 20)
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: 44)
Chemistry of Materials     Full-text available via subscription   (Followers: 255)
Chemistry of Natural Compounds     Hybrid Journal   (Followers: 9)
Chemistry World     Full-text available via subscription   (Followers: 22)
Chemistry-Didactics-Ecology-Metrology     Open Access   (Followers: 1)
ChemistryOpen     Open Access   (Followers: 2)
Chemkon - Chemie Konkret, Forum Fuer Unterricht Und Didaktik     Hybrid Journal  
Chemoecology     Hybrid Journal   (Followers: 4)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 14)
Chemosensors     Open Access  
ChemPhysChem     Hybrid Journal   (Followers: 11)
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: 11)
Chromatographia     Hybrid Journal   (Followers: 24)
Chromatography     Open Access   (Followers: 2)
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: 11)
Colloids and Interfaces     Open Access  
Colloids and Surfaces B: Biointerfaces     Hybrid Journal   (Followers: 6)
Combinatorial Chemistry & High Throughput Screening     Hybrid Journal   (Followers: 4)
Combustion Science and Technology     Hybrid Journal   (Followers: 22)
Comments on Inorganic Chemistry: A Journal of Critical Discussion of the Current Literature     Hybrid Journal   (Followers: 2)
Composite Interfaces     Hybrid Journal   (Followers: 7)
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: 11)
Computational Chemistry     Open Access   (Followers: 2)
Computers & Chemical Engineering     Hybrid Journal   (Followers: 10)
Coordination Chemistry Reviews     Full-text available via subscription   (Followers: 3)
Copernican Letters     Open Access   (Followers: 1)
Corrosion Series     Full-text available via subscription   (Followers: 6)
Critical Reviews in Biochemistry and Molecular Biology     Hybrid Journal   (Followers: 5)
Croatica Chemica Acta     Open Access  
Crystal Structure Theory and Applications     Open Access   (Followers: 4)
CrystEngComm     Full-text available via subscription   (Followers: 13)
Current Catalysis     Hybrid Journal   (Followers: 2)
Current Chromatography     Hybrid Journal  
Current Green Chemistry     Hybrid Journal  
Current Metabolomics     Hybrid Journal   (Followers: 5)
Current Microwave Chemistry     Hybrid Journal  
Current Opinion in Colloid & Interface Science     Hybrid Journal   (Followers: 9)
Current Opinion in Molecular Therapeutics     Full-text available via subscription   (Followers: 18)
Current Research in Chemistry     Open Access   (Followers: 9)
Current Science     Open Access   (Followers: 69)
Dalton Transactions     Full-text available via subscription   (Followers: 23)
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)

        1 2 3 4 | Last

Journal Cover Acta Chimica Slovenica
  [0 followers]  Follow
  This is an Open Access Journal Open Access journal
   ISSN (Online) 1580-3155
   Published by Slovenian Chemical Society Homepage  [1 journal]
  • Novel HPLC-UV Method for Simultaneous Determination of Fat-soluble
           Vitamins and Coenzyme Q10 in Medicines and Supplements

    • Authors: Žane Temova Rakuša, Eva Srečnik, Robert Roškar
      Pages: 523 - 529
      Abstract: A precise, accurate and rapid HPLC-UV method for simultaneous determination of fat-soluble vitamins (vitamin D3, E-acetate, K1, β-carotene, A-palmitate) and coenzyme Q10 was developed and validated according to ICH guidelines. Optimal chromatographic separation of the analytes in minimal analysis time (8 min) was achieved on a Luna C18 150×4.6 mm column using a mixture of acetonitrile, tetrahydrofuran and water (50:45:5, v/v/v). The described reversed phase HPLC method is the first published for quantification of these five fat-soluble vitamins and coenzyme Q10 within a single chromatographic run. The method was further applied for quantification of the analytes in selected liquid and solid dosage forms, registered as nutritional supplements and prescription medicines, which confirmed its suitability for routine analysis. 
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2856
      Issue No: Vol. 64, No. 3 (2017)
  • Trans-Activation Response Element RNA is Detectable in the Plasma of a
           Subset of Aviremic HIV-1–Infected Patients

    • Authors: Anžej Hladnik, Jana Ferdin, Katja Goričar, Steven G. Deeks, Boris M. Peterlin, Ana Plemenitaš, Vita Dolžan, Metka Lenassi
      Pages: 530 - 536
      Abstract: Determining the HIV-1 reservoir size in infected individuals is of great importance for improvement of their treatment. Plasma trans-activation response element (TAR) RNA has been suggested as one of the possible biomarkers. TAR RNA is produced during non-processive transcription in HIV-1 productively infected and latent T cells. Here, plasma samples and paired exosome samples of 55 subjects from the observational SCOPE cohort were analysed for the presence of TAR RNA. First, a PCR-based assay was optimized, which provided 100% specificity and 100% sensitivity in differentiating HIV-1 infected non-controllers from uninfected individuals. Next, TAR RNA was detected in the plasma of 63% of aviremic HIV-1–infected patients, who were either treated with antiretroviral therapy or were elite controllers. Although TAR RNA levels did not correlate with patient gender, age, CD4 levels, CD8 levels, they tended to correlate with CD4/CD8 ratio (P = 0.047). This study is the first to investigate plasma TAR RNA in a relatively large cohort of HIV-1–infected patients. We additionally show that the TAR RNA molecules in the plasma of aviremic patients are not limited to exosomes.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2863
      Issue No: Vol. 64, No. 3 (2017)
  • Chemometric characterization of Slovenian red wines

    • Authors: Milena Ivanović, Anja Petek, Maša Islamčević Razboršek, Mitja Kolar
      Pages: 537 - 542
      Abstract: Total phenolic (TPC), flavonoid (TFC) and tannin (TTC) contents, total SO2, total acids, pH, and reducing sugars were measured in twenty five Slovenian red wines from three key wine producing regions, Podravje, Posavje and Primorska. The results were chemometrically analysed and the wines were classified according to wine growing region and vine variety. Principal component analysis proved that TPC, TFC and TTC contents were primarily responsible for variation in the wines. Additionally, linear discriminant analysis (LDA) was performed and resulted in the satisfactory classification of samples by both vine variety and region.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2868
      Issue No: Vol. 64, No. 3 (2017)
  • In vitro assessment of potential bladder papillary neoplasm treatment with
           functionalized polyethyleneimine coated magnetic nanoparticles

    • Authors: Klemen Strojan, Jasna Lojk, Vladimir Boštjan Bregar, Mateja Erdani Kreft, Jurij Svete, Peter Veranič, Mojca Pavlin
      Pages: 543 - 548
      Abstract: Normal porcine urothelial cells have been shown to have a much lower rate of endocytosis than urothelial papillary neoplasm cells. This could be used as a mechanism for selective delivery of toxic compounds, such as polyethyleneimine coated nanoparticles (NPs). However, these NPs induce nonselective toxicity through direct membrane disruption. This toxicity can be reduced by functionalization of NPs with L-glutathione reduced or bovine serum albumin by reducing their surface charge. Functionalization was confirmed with Fourier Transform Infrared Spectroscopy, Dynamic Light Scattering and Zeta potential measurements. Viability assays showed that bovine serum albumin coating reduced NPs cytotoxicity immediately after 3 h exposure and that such NPs were more toxic to urothelial papillary neoplasm cells compared to normal porcine urothelial cells at 50 µg/ml NPs concentration. However, 24 h after exposure, bovine serum albumin functionalized NPs had similar effect on viability of both cell lines.  NPs showed some selective toxicity towards urothelial papillary neoplasm cells compared to normal cells after 3 h, however this was not confirmed after 24 h.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2876
      Issue No: Vol. 64, No. 3 (2017)
  • Lipid droplet formation in HeLa cervical cancer cells depends on cell
           density and the concentration of exogenous unsaturated fatty acids

    • Authors: Ema Guštin, Eva Jarc, Ana Kump, Toni Petan
      Pages: 549 - 554
      Abstract: Cytosolic lipid droplets (LDs) store excess fatty acids (FAs) in the form of neutral lipids and prevent starvation-induced cancer cell death. Here we studied the ability of mono- and polyunsaturated FAs to affect LD formation and survival in Hela cervical cancer cells. We found that the LD content in Hela cells increases with cell density, but it decreases in MDA-MB-231 breast cancer cells. Exogenously-added unsaturated FAs, including oleic (OA), linoleic (LA), arachidonic (AA), eicosapentaenoic (EPA) and docosahexaenoic acid (DHA), displayed a similar ability to alter LD formation in Hela cells. There was a dual, concentration-dependent effect: low micromolar concentrations suppressed, while higher concentrations of FAs induced LD formation. In serum starved Hela cells, OA stimulated LD formation, but, contrary to expectations, it promoted cell death. Our results reveal a link between cell population density and LD formation in Hela cells and show that unsaturated FAs may both suppress and stimulate LD formation. This dynamic regulation of LD content must be accounted for when studying the effects of lipids and lipid metabolism-targeting drugs on LD metabolism in HeLa cells. 
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2908
      Issue No: Vol. 64, No. 3 (2017)
  • Disintegrins from the venom of Vipera ammodytes ammodytes efficiently
           inhibit migration of breast cancer cells

    • Authors: Zorica Latinović, Adrijana Leonardi, Toni Petan, Margareta Žlajpah, Igor Križaj
      Pages: 555 - 559
      Abstract: Integrins are plasma membrane proteins, dysfunction frequently result in cancer pathology, so they represent important targets of anti-tumor therapy. Snake venoms are known source of disintegrins (Dis), proteins that specifically bind integrins and thus interfere with their functions. In attempts to discover new molecules for treatment of breast cancer, the leading type of cancer in women, we isolated from the venom of the nose-horned viper a dimeric Dis (Vaa-Dis). By cell viability testing we demonstrated that 50 nM and higher concentrations of Vaa-Dis were are toxic to the highly invasive human breast adenocarcinoma cell line MDA-MB-231. Wound-healing assays revealed that one order of magnitude lower concentrations (2.5 nM) of Vaa-Dis efficiently inhibit MDA-MB-231 cell migration. This exposes a high anti-metastatic potential of Vaa-Dis, giving a perspective for further research and development of this natural snake venom protein towards a new drug candidate for breast cancer treatment.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2924
      Issue No: Vol. 64, No. 3 (2017)
  • Modelling the correlation between molecular electrostatic potential and
           pKa on sets of carboxylic acids, phenols and anilines

    • Authors: Miha Virant, Sara Drvarič Talian, Črtomir Podlipnik, Barbara Hribar-Lee
      Pages: 560 - 563
      Abstract: Calculations of molecular electrostatic potential were correlated with experimental pKa values for different sets of acidic molecules (carboxylic acids, phenols, and anilines) to obtain linear relationships of variable quality. A single tri-parameter model function was constructed to describe the pKa dependence on MEP maxima together with two automatically generated molecular descriptors, namely the counts of carboxylic acid and amine functional groups.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2962
      Issue No: Vol. 64, No. 3 (2017)
  • Use of Differential Scanning Calorimetry and Immunoaffinity Chromatography
           to Identify Disease Induced Changes in Human Blood Plasma Proteome

    • Authors: Sandi Brudar, Urh Černigoj, Helena Podgornik, Mojca Kržan, Iztok Prislan
      Pages: 564 - 570
      Abstract: Differential scanning calorimetry provides unique signatures of blood plasma samples. Plasma samples from diseased individuals yield specific thermograms, which differ from each other and from plasma samples of healthy individuals. Thermograms from individuals suffering from chronic lymphocytic leukemia, multiple myeloma and acute myeloid leukemia were measured with DSC. To obtain additional information about thermal behaviour of plasma proteins immunoaffinity chromatography was introduced. An immunoextraction of HSA using a chromatographic column with immobilized anti-HSA was carried out in order to enrich less abundant plasma proteins, which could provide a further insight into disease development. Efficiency of HSA depletion and protein composition of fractionated plasma was validated by SDS-PAGE.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2970
      Issue No: Vol. 64, No. 3 (2017)
  • Interaction of PER2 with the constitutive androstane receptor possibly
           links circadian rhythms to metabolism

    • Authors: Tomaž Martini, Jurij Stojan, Damjana Rozman, Uršula Prosenc Zmrzljak
      Pages: 571 - 576
      Abstract: Period 2 (PER2) is an important factor in daily oscillations called circadian rhythms, which are emerging as one of the most important regulatory networks, responsible for homeostasis and transcriptional regulation of a number of genes. Our work shows that PER2 could act as a co-activator of the constitutive androstane receptor (CAR), a key nuclear receptor (NR) that regulates the metabolism of endobiotics and xenobiotics. Bioinformatic analysis shows that PER2 and CAR possess structural elements that could enable them to interact which was confirmed experimentally by CoIP experiment. Co-transfection of mouse hepatocarcinoma cells with plasmids overexpressing Per2 and Car increases expression of Bmal1, a potential CAR target gene, more than transfections with Car only. This is the first report indicating the interaction of PER2 and CAR. 
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.3048
      Issue No: Vol. 64, No. 3 (2017)
  • Preliminary evaluation of animal bone char as potential metal
           stabilization agent in metal contaminated soil

    • Authors: Evelin Gruden, Peter Bukovec, Marija Zupančič
      Pages: 577 - 581
      Abstract: The aim of this study was to evaluate the potential effect of animal bone char (ABC) addition on metal mobility in mine tailings. The mobility of metals after addition of ABC to tailings at four different application rates (0.6 g, 1.2 g, 1.8 g and 3.6 g ABC per 100 g of tailings) was evaluated by Toxicity Characteristic Leaching Procedure (TCLP) one step extraction. The obtained results indicated that the mobility of Pb, Cr and Cd gradually decreased with increasing quantity of added ABC. According to the TCLP, mobile concentrations of Pb in tailings exceeded threshold values for almost eight times. After ABC addition, Pb TCLP-extractable concentrations decreased from 39 mg L−1 in tailings to lower than the TCLP limit values of 5 mg L−1 at all ABC application rates, except in mixtures with the lowest addition of ABC. We concluded that ABC could be a successful metal stabilization agent for multi-metal contaminated soil, although attention should be paid at highly As contaminated soil.  
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.2889
      Issue No: Vol. 64, No. 3 (2017)
  • N,N,N’,N’-Tetrabutyl-1,10-phenanthroline-2,9-dicarboxamide as Very
           Effective Extraction Agent for Trivalent Europium and Americium

    • Authors: Emanuel Makrlík, Petr Vaňura, Pavel Selucký, Vasily Babain, Dmitriy Dar'in, Mikhail Alyapyshev
      Pages: 582 - 589
      Abstract: Solvent extraction of microamounts of Eu3+ and Am3+ from water into nitrobenzene by means of a mixture of hydrogen dicarbollylcobaltate (H+B-) and N,N,N’,N’-tetrabutyl-1,10-phenanthroline-2,9-dicarboxamide (L) was studied. The equilibrium data were explained assuming that the species HL+, H2L(2+), HL2(+), ML2(3+) , and ML3(3+)  (M3+ = Eu3+, Am3+; L = N,N,N’,N’-tetrabutyl-1,10-phenanthroline-2,9-dicarboxamide) are extracted into the nitrobenzene phase. Extraction and stability constants of the cationic complex species in nitrobenzene saturated with water were determined and discussed. From the experimental results it is evident that this effective N,N,N’,N’-tetrabutyl-1,10-phenanthroline-2,9-dicarboxamide receptor for the Eu3+ and Am3+ cations could be considered as a potential extraction agent for nuclear waste treatment.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3295
      Issue No: Vol. 64, No. 3 (2017)
  • Ionic Liquid-Assisted Liquid–Liquid Microextraction based on the
           Solidification of Floating Organic Droplet in Sample Preparation for
           Simultaneous Determination of Herbicide Residues in Fruits

    • Authors: Jitlada Vichapong, Yanawath Santaladchaiyakit, Rodjana Burakham, Supalax Srijaranai
      Pages: 590 - 597
      Abstract: An environmentally friendly approach, ionic liquid-assisted liquid–liquid microextraction based on the solidification of floating organic droplet (ILSFOD-LLME) was investigated for analysis of four herbicide residues (i.e. simazine, atrazine, propazine, and linuron) by high performance liquid chromatography.  For ILSFOD-LLME, the optimum extraction conditions were 5% w/v Na2SO4, 30 µL [C4MIM][PF6]RTIL, 100 µL of 1-octanol, ultrasonication time 30 s and centrifugation time of 5000 rpm for 5 min. Under the optimum condition, linearity was obtained within the range of 0.0001–1 µg g-1, with the correlation coefficients greater than 0.999.  The high enrichment factor of the target analytes were in the ranged of 64.5 – 139.9 and low limit of detection could be obtained.  A modified QuEChERS was applied for fruit sample preparation before analysis.  Matrix effects were also investigated using matrix matched standards for building up the calibration graph.  This proposed method has been successfully applied for extraction and preconcentration of herbicide residues in fruit samples, and good recoveries in the range of 87.32% to 99.93% were obtained.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3336
      Issue No: Vol. 64, No. 3 (2017)
  • Cold Plasma and Acid Treatment Modification Effects on Phonolite

    • Authors: José Miguel Hidalgo Herrador, Zdeněk Tišler, Pavlína Hajková, Lenka Soukupová, Lenka Zárybnická, Karla Černá
      Pages: 598 - 602
      Abstract: A sample of phonolite was treated by cold plasma and hydrochloric acid diluted in water to study the change of its structure and acid properties. The phonolite and treated samples were analysed by XRD, elemental analysis XRF, specific surface area BET, TPD-NH3 and FT-IR spectroscopy. They were also tested in the adsorption of Ca, K, Mg, P and Na impurities present in waste cooking oil. Plasma treated sample presented almost the same structure with some surface differences respect to the original phonolite. However, acid treated sample presented bigger total surface compared to the other samples, different structure, composition and acid properties.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3343
      Issue No: Vol. 64, No. 3 (2017)
  • Synthesis, antimicrobial activity and in silico studies on thymol esters

    • Authors: Jelena S Lazarević, Ana Kolarević, Aleksandra Đorđević, Gordana Stojanović, Andrija Šmelcerović, Pierangela Ciuffreda, Enzo Santaniello
      Pages: 603 - 612
      Abstract: Derivatisation of parent structure in terpenoids often results in enhancement of biological activity of newly obtained compounds. Thymol, a naturally occurring phenol biosynthesized through the terpene pathway, is a well known biocide with strong antimicrobial attributes and diverse therapeutic activities. We have aimed our study on a single modification of phenolic functionality in thymol in order to obtain a small focused library of twenty thymyl esters, ten of which were new compounds. All compounds were involved in in vitro antimicrobial testing. Another important aspect of current study was implementation of in silico calculation of physico-chemical, pharmacokinetic and toxicological properties, which could be helpful by giving an additional guidance in further research.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3356
      Issue No: Vol. 64, No. 3 (2017)
  • Synthesis, X-ray structural characterization, and DFT calculations of
           binuclear mixed-ligand copper(II) complexes containing diamine, acetate
           and methacrylate ligands

    • Authors: Rasoul Vafazadeh, Mansoor Namazian, Mahshad Chavoshiyan, Anthony C. Willis, Paul D. Carr
      Pages: 613 - 620
      Abstract: The dinuclear Cu(II) complexes [Cu(en)(MAA)(µ-CH3COO)]2 (1) and [Cu(pn)(MAA)(µ-CH3COO)]2 (2) where MAA, en and pn are methacrylate, ethylendiamine and 1,3-propylendiamine, respectively, have been synthesized and characterized by elemental analysis, FT-IR and UV-Vis spectroscopy. The structures of the complexes have been determined by single-crystal X-ray diffraction analyses. In the dinuclear complexes 1 and 2 the two copper centers are five-coordinated and exhibit distorted square pyramidal geometries. The theoretical geometries of the studied compounds have been calculated by means of density functional theory (DFT) at the B3LYP/6-311+G(d,p)/LanL2DZ level considering effective core potential (ECP).
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3401
      Issue No: Vol. 64, No. 3 (2017)
  • Synthesis of Some Substituted 6-Phenyl Purine Analogues and Their
           Biological Evaluation as Cytotoxic Agents

    • Authors: Asligul Kucukdumlu, Meral Tuncbilek, Ebru Bilget Guven, Rengul Cetin Atalay
      Pages: 621 - 632
      Abstract: A series of 6-(4-substituted phenyl)-9-(tetrahydropyran-2-yl)purines 3–9, 6-(4-substituted phenyl)purines 10–16, 9-((4-substituted phenyl)sulfonyl)-6-(4-substituted phenyl)purines 17–32 were prepared and screened initially for their in vitro anticancer activity against selected human cancer cells (liver Huh7, colon HCT116, breast MCF7). 6-(4-Phenoxyphenyl)purine analogues 9, 16, 30–32, had potent cytotoxic activities. The most active purine derivatives 5–9, 14, 16, 18, 28–32 were further screened for their cytotoxic activity in hepatocellular cancer cells. 6-(4-Phenoxyphenyl)-9-(tetrahydropyran-2-yl)-9H-purine (9) had better cytotoxic activity (IC50 5.4 μM) than the well-known nucleobase analogue 5-FU and known nucleoside drug fludarabine on Huh7 cells. The structure–activity relationship studies reported that the substitution at C-6 positions in purine nucleus with the 4-phenoxyphenyl group is responsible for the anti-cancer activity.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3419
      Issue No: Vol. 64, No. 3 (2017)
  • Synthesis and Properties of two CuI Complexes Involving
           Tetrathiafulvalene-Fused Phenanthroline Ligand

    • Authors: Zhi-Gang Niu, Xue-You Wang, Hao-Hua Chen, Xun Wang, Sun Wei, Dong-Min Wu, Guang-Ying Chen, Jie Qin, Gao-Nan Li
      Pages: 633 - 637
      Abstract: Two CuI complexes based on the π-conjugated tetrathiafulvalene-annulated phenanthroline ligands (TTF-Phen, L1 and L2), [CuI(Xantphos)(L1)]BF4 (1, Xantphos = 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene) and [CuI(Binap)(L2)]BF4 (2, Binap = 2,2’-bis(diphenylphosphino)-1,1’-binaphthyl), have been synthesized. They have been fully characterized, and their photophysical and electrochemical properties are reported together with those of L1 and L2 for comparison. Both CuI complexes show metal-to-ligand charge transfer (MLCT) absorption bands, whereas the 3MLCT luminescence is strongly quenched.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3423
      Issue No: Vol. 64, No. 3 (2017)
  • A Dansyl-Rhodamine Based Fluorescent Probe for Detection of Hg2+ and Cu2+

    • Authors: Enju Wang, Shizhuang Yuan, Wei Su
      Pages: 643 - 643
      Abstract: A novel fluorescent probe based on dansyl-appended rhodamine B was developed. The probe can selectively recognize and sense Hg2+ and Cu2+ from other common metal ions by showing unique fluorescence and absorption characteristics. In MeCN/HEPES buffer solution, the probe gives a ratiometric fluorescent response to Hg2+, which was ascribed to the fluorescence resonance energy transfer from dansyl moiety to the ring-opened rhodamine B moiety, while the presence of Cu2+ causes fluorescence quenching. Beside the fluorescence change, the presence of Cu2+ and Hg2+ can induce intensive absorption at about 555 nm, which resulted in a color change from colorless to pink. 
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3442
      Issue No: Vol. 64, No. 3 (2017)
  • Surface modification of alumina nanoparticles: A dispersion study in
           organic media

    • Authors: Esmaiel Soleimani, Narges Zamani
      Pages: 644 - 653
      Abstract: The alumina nanoparticles (NPs) have been synthesized from reaction between alum with ammonia and then calcined the precipitate at 1200 °C for 4 h. Its surface was modified by oleic acid (OA) and trimethoxyvinylsilane (TMVS) in o-xylene at 50 °C. The alumina NPs and its modified were characterized by XRD, FT-IR, SEM, EDX and TGA. The TGA analysis indicated that the grafting amount of OA and TMVS were 10.5 and 8.0 % respectively. The dispersion of modified NPs was determined in monomers such as methyl methacrylate (MMA), butyl acrylate (BuA) and styrene (St) and in solvents such as ethanol, hexane and acetone. The experimental results showed that the highest dispersion was happened NPs modified by oleic acid in n-hexane, while the highest dispersion was observed NPs modified by TMVS in acetone. The results indicate that NPs modified by oleic acid formed a stable dispersion in MMA and BuA. The highest amount of dispersion happened NPs modified by oleic acid in MMA and BuA in initial weight of 5 and 2.5% respectively, while stable dispersion is formed in styrene when TMVS is used as modifier. The highest amount of dispersion was happened NPs modified by TMVS in styrene in initial weight of 2.5%.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3459
      Issue No: Vol. 64, No. 3 (2017)
  • Adsorption of Cr(III) from Aqueous Solution using Borax Sludge

    • Authors: Fatma Tugce Senberber, Meral Yildirim, Nevin Karamahmut Mermer, Emek Moroydor Derun
      Pages: 654 - 660
      Abstract: Borax sludge is the waste produced by a trommel sieve in the borax production process and is used as an adsorbent for Cr(III) removal. The effects of various parameters, including pH, initial Cr(III) concentration and contact time were investigated for batch adsorption of Cr(III). The experimental results obtained were applied to different adsorption isotherms and kinetic models.The results indicated that the Temkin isotherm (R2=0.9749) was most suitable to explain the adsorption characteristics of borax sludge, and the removal of Cr(III) was achieved by a physisorption process. The overall kinetic data fitted the pseudo-second order rate model (R2=0.9990).According to thermodynamic studies, which were carried out at different temperatures, changes in enthalpy (ΔH) and entropy (ΔS) values for Cr(III) adsorption by borax sludge were determined to be 69.395 kJ/mol and 0.276 kJ/mol K, respectively. The study implied that borax sludge could be used as an alternative adsorbent in the adsorption of Cr(III) from aqueous solutions.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3534
      Issue No: Vol. 64, No. 3 (2017)
  • Effectiveness of Student Learning during Experimental Work in Primary

    • Authors: Ana Logar, Cirila Peklaj, Vesna Ferk Savec
      Pages: 661 - 671
      Abstract: The aim of the research was to optimize the effectiveness of student learning based on experimental work in chemistry classes in Slovenian primary schools. To obtain evidence about how experimental work is implemented during regular chemistry classes, experimental work was videotaped during 19 units of chemistry lessons at 12 Slovenian primary schools from the pool of randomly selected schools. Altogether 332 eight-grade students were involved in the investigation, with an average age of 14.2 years. Students were videotaped during chemistry lessons, and their worksheets were collected afterward. The 12 chemistry teachers, who conducted lessons in these schools, were interviewed before the lessons; their teaching plans were also collected. The collected data was analyzed using qualitative methods. The results indicate that many teachers in Slovenian primary schools are not fully aware of the potential of experimental work integrated into chemistry lessons for the development of students’ experimental competence. Further research of the value of different kinds of training to support teachers for the use of experimental work in chemistry teaching is needed.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3544
      Issue No: Vol. 64, No. 3 (2017)
  • Bismuth(III) Complexes with Bis(dimethylphenyl) Dithiophosphates:
           Synthesis, Characterization and Crystal Structure of

    • Authors: Ruchi Khajuria, Sandeep Kumar, Mandeep Kour, Atiya Syed, Geeta Hundal, Sushil Kumar Pandey
      Pages: 672 - 678
      Abstract: This work presents four complexes with general formula [{(ArO)2PS2}3Bi] (1–4), where Ar = 2,4-(CH3)2C6H3, 2,5-(CH3)2C6H3,3,4-(CH3)2C6H3 and3,5-(CH3)2C6H3, respectively. Reaction of [(ArO)2PS2Na] with Bi(NO3)3·5H2O in toluene in 3:1 molar stoichiometry afforded the complexes [{(ArO)2PS2}3Bi].These newly synthesized complexes have been characterized by elemental analysis, FT-IR and multinuclear NMR (1H, 13C and 31P) NMR. The crystal structure of [{(3,5-CH3)2C6H3O}2PS2]3Bi (4) has been determined by X-ray crystallography. The compound crystallizes in monoclinic P21/c space group and Bi(III) centre is surrounded by six sulfur atoms from three symmetrically chelating bidentate diphenyl dithiophosphate ligands in a distorted octahedron environment. Screening these complexes for their antifungal activity against Pencillium chrysogenum gave positive results.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3545
      Issue No: Vol. 64, No. 3 (2017)
  • Electrospun nanofibrous polyacrylonitrile/calixarene mats: an excellent
           adsorbent for the removal of chromate ions from aqueous solutions

    • Authors: mevlut Bayrakci, Fatih Ozcan, Bahar Yilmaz, Seref Ertul
      Pages: 679 - 685
      Abstract: Herein, calixarene molecules containing piperidine units at lower rim or upper rim of calix skeleton was turned into a water resistant composite nanofiber adsorbent using polyacrylonitrile (PAN) polymeric support via electrospinning process. The PAN based calixarene nanofibrous adsorbents showed an excellent adsorption capacity toward the toxic chromate anions in aqueous solution. Furthermore, this new nanofiber mats would be promising filter materials for drinking water purification. 
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3559
      Issue No: Vol. 64, No. 3 (2017)
  • Synthesis of hetero- and homo-multinuclear complexes with a

    • Authors: Rasoul Vafazadeh, Amin Dehghani-Firouzabadi, Anthony C. Willis
      Pages: 686 - 691
      Abstract: Two new complexes [Cu(bcen)Ni(CN)4]2 (1) and [Ni(bcen)Ni(CN)4] (2) where bcen is 4,7-diazadecanediamide, were synthesized by reaction of equimolar amounts of M(NO3)2 (M = Cu and Ni), bcen ligand and K2[Ni(CN)4]. Single-crystal X-ray diffraction analysis of compound 1, shows that the bcen ligand acts as a tridentate chelate, coordinating to the Cu(II) ion via the two nitrogen atoms of the amine groups and one oxygen atom of one amide group, and the other amide unit is left uncoordinated. The coordination geometry around the Cu(II) ions is five coordinate with a distorted square pyramid geometry, comprising two nitrogen atoms and one oxygen atom belonging to the bcen ligand and two nitrogen atoms of the cyano groups of two Ni(CN)42– units.  The distance between the copper ion and the amide oxygen of the dangling arm of an adjacent tetranuclear species is within the expected range for an axial Cu–O bond, and hence suggests that the amide oxygen of an adjacent tetranuclear complex may weakly coordinate to the copper ion in an axial position. These contacts link the tetranuclear species into infinite chain polymers.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3577
      Issue No: Vol. 64, No. 3 (2017)
  • Magnetite-Containing Sulfonated Polyacrylamide as a Nanocatalyst for the
           Preparation of Biscoumarins

    • Authors: Kaveh Parvanak Boroujeni, Shahla Hadizadeh, Sodabeh Hasani, Abdulhamid Fadavi, Mansooreh Shahrokh
      Pages: 692 - 700
      Abstract: Magnetite-containing sulfonated polyacrylamide was easily prepared through polymerization of the corresponding monomers followed by the reaction with Fe3O4 nanoparticles. The characterization of the obtained catalyst was performed by Fourier transform infrared spectroscopy (FT-IR), thermal gravimetric analysis (TGA), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), and vibrating sample magnetometer (VSM). The acidic SO3H moiety was found to be 1.1 mmol per gram of the obtained polymer. The catalytic activity of the polymer was examined for the synthesis of biscoumarin derivatives by two-component one-pot domino Knoevenagel-type condensation/Michael reaction between aldehydes and 4-hydroxycoumarin. Biscoumarins were obtained in high to excellent yields in short time. The work-up procedure of this reaction was very simple. The catalyst is stable (as a bench top catalyst) with easy-handling and it can be used again.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3437
      Issue No: Vol. 64, No. 3 (2017)
  • Synthesis of 2,4,5-Trisubstituted Phenanthroimidazole Derivatives using
           SBA-Pr-SO3H as a Nanocatalyst

    • Authors: Ghodsi Mohammadi Ziarani, Elham Tavaf, Vaezeh Fathi Vavsari, Alireza Badiei
      Pages: 701 - 706
      Abstract: An efficient one pot approach for the preparation of 2,4,5-trisubstituted phenanthroimidazole derivatives is described. The three-component reaction between 9,10-phenanthraquinone, benzaldehyde derivatives, and ammonium acetate proceeds in the presence of SBA-Pr-SO3H as a nanoporous solid acid catalyst in short reaction times and good to excellent yields.
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2016.3111
      Issue No: Vol. 64, No. 3 (2017)
  • Design, preparation and characterization of MoO3H-functionalized
           Fe3O4@SiO2 magnetic nanocatalyst and application for the one-pot
           multicomponent reactions

    • Authors: Mahtab Kiani, Mohammad Mohammadipour, Ali Zamanian
      Pages: 707 - 713
      Abstract: Molybdic acid-functionalized silica-based Fe3O4 nanoparticles (Fe3O4@SiO2-MoO3H) are found to be a powerful and magnetically recyclable nanocatalyst. The morphology and structure of this nanocatalyst were investigated by Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM), thermo gravimetric analyses (TGA), X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) techniques. The high catalytic activity of this catalyst was investigated in the synthesis of pyrano[2,3-c]chromenes, representing potent biologically active compounds. The catalyst can be readily separated by applying an external magnet device and recycled up to 8 times without significant decrease in its catalytic activity, which makes it highly beneficial to address the industrial needs and environmental concerns. Fe3O4@SiO2-MoO3H has many advantages, such as low cost, low toxicity, ease of preparation, good stability, high reusability and operational simplicity. 
      PubDate: 2017-09-02
      DOI: 10.17344/acsi.2017.3208
      Issue No: Vol. 64, No. 3 (2017)
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
Tel: +00 44 (0)131 4513762
Fax: +00 44 (0)131 4513327
Home (Search)
Subjects A-Z
Publishers A-Z
Your IP address:
About JournalTOCs
News (blog, publications)
JournalTOCs on Twitter   JournalTOCs on Facebook

JournalTOCs © 2009-