× خانه ژورنال ها پست ها ثبت نام ورود

گنجلی, محمد رضا

دانشگاه تهران

[ 1 ] - طراحی و توسعه یک حسگر الکتروشیمیایی اصلاح شده با پلیمر قالب مولکولی و نانولوله های کربنی به منظور ارزیابی مواجهات محیطی و شغلی با آفت کش دی‌کلران

Background and aims: Dicloran pesticide is used to inhibit the fungal spore germination for different crops. Due to the increasing application of pesticides, evaluating the occupational and environmental exposures by reliable and accurate analytical methods is necessary. This work was aimed to design the high selective sensor to determine the dicloran in biological and environmental samples. ...

[ 2 ] - استخراج نقره از محلول عکاسی با استفاده از جاذب نانومتخلخل SBA-15 عامل‌دار شده با تری‌آمین‌فلوئورن

 در این پژوهش، سیلیکای نانومتخلخل SBA-15 با 3-[2-(2-آمینواتیل آمینو) اتیل‌آمینو] پروپیل‌تری‌متوکسی‌سیلان اصلاح شد. سپس، با پیوند مشتقی از فلوئورن بر سطح داخلی آن، سیلیکای نانومتخلخل SBA-15 عامل‌دار شده با مشتق تری‌آمین فلوئورن تهیه شد. برای شناسایی نمونه‌ها روش‌های پراش پرتو ایکس (XRD)، جذب - واجذب گاز نیتروژن و طیف‌سنجی FTIR به‌کار گرفته شدند. سپس،  قابلیت این ترکیب در استخراج کاتیون‌های نقره ...

[ 3 ] - 8-Hydroxyquinoline grafted nanoporous SBA-15 as a novel solid phase extractor for preconcentration of trace amount of Copper

In this study, the potential of 8-Hydroxyquinoline grafted SBA-15 to extract of Cu<sup>2+ </sup>cations from aqueous solutions was investigated<em>. </em>SBA-15 nanoporous silica was chemically grafted with 8-Hydroxyquinoline groupsaccording to the procedure in the literature. The presence of organic groups in the silica framework was demonstrated by FTIR spectrum. The grafted product showed th...

[ 4 ] - Amino Functionalized Silica Coated Fe3O4 Magnetic Nanoparticles as a Novel Adsorbent for Removal of Pb2+ and Cd2+

The present study synthesizes a novel adsorbent by coating Fe3O4 magnetic nanoparticles with amino functionalized mesoporous silica. The FTIR spectrums indicate that silica has been successfully coated on the surface of Fe3O4 and 3-aminopropyl tri methoxysilane compound have been grafted to the surface of silica-coated Fe3O4. The XRD analysis shows the presence of magnetite phase with cubic spi...

[ 5 ] - A Novel and an Efficient 3-D High Nitrogen Doped Graphene Oxide Adsorbent for the Removal of Congo Red from Aqueous Solutions

The current study both synthesizes and uses four compounds of graphene oxide (GO), nitrogen doped graphene oxide (ND-GO), high nitrogen doped graphene oxide (HND-GO), and three dimensional high nitrogen doped graphene oxide (3D-HND-GO) in order to remove a model anionic dye, Congo red (CR) from wastewaters. It also compares their carbon nano-structure, with regard to removal efficiency and find...

[ 6 ] - Amino Functionalized Silica Coated Fe3O4 Magnetic Nanoparticles as a Novel Adsorbent for Removal of Pb2+ and Cd2+

The present study synthesizes a novel adsorbent by coating Fe3O4 magnetic nanoparticles with amino functionalized mesoporous silica. The FTIR spectrums indicate that silica has been successfully coated on the surface of Fe3O4 and 3-aminopropyl tri methoxysilane compound have been grafted to the surface of silica-coated Fe3O4. The XRD analysis shows the presence of magnetite phase with cubic spi...

[ 7 ] - A Novel and an Efficient 3-D High Nitrogen Doped Graphene Oxide Adsorbent for the Removal of Congo Red from Aqueous Solutions

The current study both synthesizes and uses four compounds of graphene oxide (GO), nitrogen doped graphene oxide (ND-GO), high nitrogen doped graphene oxide (HND-GO), and three dimensional high nitrogen doped graphene oxide (3D-HND-GO) in order to remove a model anionic dye, Congo red (CR) from wastewaters. It also compares their carbon nano-structure, with regard to removal efficiency and find...