List of Articles Open Access Article Abstract Page Full-Text 1 - Effectiveness of Sequential Pre-treatment and Application of High-porosity Hybrid Fly Ash Geopolymer/alginate Adsorbent for the Treatment of Batik Wastewater Siti Mazatul Azwa Saiyed Mohd Nurddin Suriati Sufian Zakaria Man Nurul Ekmi Rabat Nazwin Ahmad 10.22034/jchr.2021.682249 Open Access Article Abstract Page Full-Text 2 - The Effect of High Protein in the Feed Mixture on the Morphological Changes in the Kidneys of Quail Birds Ziad Alabdallah Aleksander Nikishov Yury Vatnikov Ali Al-Ragawi Sergey Seleznev 10.22034/jchr.2021.686023 Open Access Article Abstract Page Full-Text 3 - Insight into the Oxidant Agents Effect of Removal and Photo-decolorization of Vitamin B12 Solution in Drug Tablets using ZrO2 Shaymaa Ibrahim Saeed Ban Hasan Taresh Luma M. Ahmed Zainab Faisal Haboob Safa Alaa Hassan Athraa Abd Al-amir Jassim 10.22034/jchr.2021.685757 Open Access Article Abstract Page Full-Text 4 - Detection of Gyrase Enzyme among Clinical Isolates of E. coli Resistance to some Quinolone Antibiotics Iman Fadhil Abdul-Husin Mohammed Sabri Abdul-Razzaq 10.22034/jchr.2021.686028 Open Access Article Abstract Page Full-Text 5 - Trace Element Imbalance in Patients with Combined Digestive and Renal Pathology Complicated with COVID-19 Olexandr M. Naumenko Valentyna O. Moyseyenko 10.22034/jchr.2021.686477 Open Access Article Abstract Page Full-Text 6 - Comparative Studies between Conventional Techniques and Green Chemistry to Synthesis of Novel Piperidinium Salts Ionic Liquids (PBSILs) Shakir M. Saied Salim J. Mohammed Bassam T. Khaleel Mohanad Saleh 10.22034/jchr.2021.686640 Open Access Article Abstract Page Full-Text 7 - Evaluation of Tetracycline Antibiotic Residue in Honey Samples using ELISA and HPLC Anahita Hoseinpour Peyman Ghajarbygi Razzagh Mahmoudi Reza Norian Saeed Shahsavari 10.22034/jchr.2020.1876259.1044 Open Access Article Abstract Page Full-Text 8 - The Relationship between ABO and Rhesus Blood Groups with Toxoplasmosis in Thi-Qar Province, Iraq Sukaina Neamah Younus Abdullah 10.22034/jchr.2021.1916672.1227 Open Access Article Abstract Page Full-Text 9 - Pollution Assessment of Trace Metals in Ground Waters (Case Study: Meshgin Shahr County) Nafiseh Rezapour Andabili Mahsa Safaripour 10.22034/jchr.2020.1902942.1150 Open Access Article Abstract Page Full-Text 10 - Heavy Metals Contamination and Distribution in Drinking Water from Urban Area of Mashhad City in Northeast Iran: Implications for Water Quality Assessment Batoul Zarif Gharaati Oftadeh Belin Tavakoly Sany Hossein Alidadi Mohammad Zangouei Reza Barati Atefeh Naseri Mohammad Tafaghodi 10.22034/jchr.2021.1931089.1312 Open Access Article Abstract Page Full-Text 11 - Carcinogenic, Non-carcinogenic and Dermal Sensitization Risk Assessment of Heavy Metals in Liquid and Solid Lipsticks Highly Used in Kashan, Iran Fahimeh Karamali Gholamreza Hoseindoost Gholam Reza Mostafaii Golmabas Mousavi Reza Sharafati Chaleshtori 10.22034/jchr.2021.1885972.1078 Open Access Article Abstract Page Full-Text 12 - Evaluation of Anticancer and Anti-bacterial Effects of Silver Nanoparticles Synthesized by Origanum majoranaL. Extract on Cancer Cells MCF-7, HeLa and A549 Reyhaneh Sezari Hamankoh Shabnam Shamaei 10.22034/jchr.2021.1937062.1373