Copper (II) carboxylate, (Cu-BDC), metal-organic-framework (MOF) has been synthesized under solvo thermal conditions and used as a new adsorbent for the methane. The Lithium doping into Cu-BDC, (Li-Cu-BDC), is made by impregnating Cu-BDC with an ethanol solution of LiNO3, followed by heat treatment in vacuum. The adsorbent was characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR), Thermo gravimetric analysis (TGA).Inductively coupled plasma atomic emission spectrometry (ICP-AES) and Brunauer-Emmet- Teller (BET) technique. The Sorption capacity of the methane on Cu-BDC and Li-Cu-BDC range of pressure 1-20 bar and at 298 K was investigated by volumetric measurement. This work shows that Li-Cu-BDC Compared with Cu-BDC has higher sorption capacity for CH4.

This work presents an experimental investigation of drug loading in metal-organic frameworks (MOFs). Porous metal organic framework [Zn2(BDC)2(dabco)] was synthesized under solvothermal conditions. Characterization of samples was studied by IR spectroscopy, X-ray powder diffraction, thermogravimetric analysis, ultraviolet–visible spectroscopy, N2 adsorption porosimetry and scanning electron microscopy. In vitro cytotoxicity assessment and IC50 values for the human hepatoma cell (HuH7) was determined by MTT assay. Two different sizes of Zn2(BDC)2(dabco) were prepared by solvothermal method under the presence and absence of modulator. The prepared samples were used for ibuprofen loading. Ibuprofen loadings of 22 and 30 % (w/w) were obtained for samples with average diagonal sizes of 250 and 100 nm, respectively. The release of ibuprofen from these materials was prolonged for 2 and 3 weeks for 250 and 100 nm samples, respectively. The results obtained in this study revealed that two significant factors, surface area and pore size, affect ibuprofen drug loading and release.

Objective(s): In recent years, porous materials have shown good potential for adsorption due to their high surface area. Among them, hydroxyapatite (HA) is important as an inorganic material. While metal-organic frameworks (MOFs) have attracted much attention as hybrid materials consisting of organic and inorganic compounds with special propertiesMethods: In this study, Zn2(BDC)2(DABCO) MOF-HA nanocomposite (NC) was prepared by solvothermal method with precursors that are: Zn = zinc acetate dehydrates, BDC = 1,4-benzenedicarboxylate, and DABCO = 1,4-diazabicyclo [2.2.2] octane. This nanostructure was used to remove tetracycline drug from aqueous solution. Samples were characterized by Fourier Transform InfraRed (FTIR) spectroscopy to evaluate functional groups, X-Ray diffraction (XRD) analysis of crystal structure, field emission scanning electron microscope (FESEM) to determine morphology and size, BET analysis for measurement of surface area, and Ultraviolet–Visible (UV–Vis) spectroscopy to study drug adsorption. The effect of some important parameters on removal efficiency, such as drug concentration, nanocomposite amount, removal time and solution pH were studied. In order to reach best removal condition, the effect of the parameters and their interactions was optimized using the Box-Behnken Design (BBD) and the response surface methodology.Results: The synthesis of Zn2(BDC)2(DABCO) MOF-hydroxyapatite nanocomposite was confirmed using identification methods. The functional groups, crystal structure and surface area were evaluated by FTIR, XRD and BET respectively. The nanoscale size was approved by FESEM. In the optimum condition, the removal efficiency more than 98% was obtained. Conclusions: According to the results, MOF and its nanocomposite can be a good choice for tetracycline removal and have good potential for the development of different adsorbents.

In this work, Zn2(BDC)2(DABCO) metal-organic framework (MOF) was prepared by Zn = zinc acetate dehydrates, BDC = 1, 4-benzenedicarboxylate, and DABCO = 1, 4-diazabicyclo [2. 2. 2] octane. The MOF and its polyurethane (PU) nanocomposite were used to remove Methylene Blue (MB) as a harmful and toxic dye from an aqueous solution. Polyurethane polymer has been modified with a zinc-based metal-organic framework by the press method to develop an efficient adsorbent for the first time. Samples were characterized by Fourier Transform InfraRed (FT-IR) spectroscopy to evaluate functional groups, X-Ray Diffraction (XRD) analysis of crystal structure, field emission scanning electron microscope (FESEM) to determine morphology and size, BET analysis for measurement of surface area, and Ultraviolet–Visible (UV–Vis) spectroscopy to study MB adsorption. Methylene blue adsorption was reported by changing the amount of adsorbent, MB concentration, pH, and temperature of the solution over time. According to the results, increasing the amount and percentage of adsorbent, pH, and temperature of the solution increased the percentage of adsorption efficiency. Also, the MOF and its nanocomposite can be a good choice for the adsorption of methylene blue as a cationic dye due to its high level and low material consumption. The results show that Zn2(BDC)2(DABCO) MOF and its PU nanocomposite can have good potential for the development of various adsorbents.

Objective(s): In recent years, nanomaterials with anti-bacterial activity have acted as antibiotics, and a new method of nanotechnology treatment is available. Nanoparticles (NPs) are effective against drug-resistant strains. Metal-organic frameworks (MOFs) are highly porous composite materials with attractive applications. This material has attracted a lot of attention due to its unique properties such as anti-bacterial application. Zn2(BDC)2(DABCO) MOF is a Zn-MOF based organic framework (Zn-MOF) with various applications. Methods: In the present study, this Zn-MOF was synthesized by solution at room temperature and solvothermal at 90 º, C methods. The samples were characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), dynamic light scattering (DLS), zeta potential, field emission scanning electron microscopy (FESEM), and diffuse reflection spectroscopy (DRS). Finally, the antibacterial activities of samples were investigated against Escherichia coli (E. coli) as gram-negative bacteria and Staphylococcus aureus (S. aureus) as gram-positive bacteria. Results: FTIR and XRD results were evaluated functional groups and crystal structure respectively. DLS and zeta potential results were studied size and distribution diagram, and surface charge respectively. The morphology and size were observed by SEM images in the nanometer scale. The Ultraviolet (UV) protective property and band gap energy were investigated by DRS absorption. The antibacterial activity was confirmed against E. coli were and S. aureus. Conclusions: This work showed that Zn2(BDC)2(DABCO) MOF can be a good candidate for medicinal applications.