Md. Mazharul Islam :: Faculty Profile

Biography

Md. Mazharul Islam is an assistant professor at the Department of Chemistry, University of Dhaka. He completed his Bachelor of Science in Chemistry in 2014 and Master of Science in 2015 in Organic Chemistry from the Department of Chemistry, University of Dhaka. He did his undergraduate project on "UV-Visible Spectrophotometric Studies for Assessment of Sodium Benzoate and Caffeine Content in ...

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Degree Name	Group/Major Subject	Board/Institute	Country	Passing Year
Masters	Organic Chemistry	University of Dhaka	Bangladesh	2015
Bachelor	Chemistry	University of Dhaka	Bangladesh	2014
H.S.C	Science	Dinajpur	Bangladesh	2009
S.S.C	Science	Rajshahi	Bangladesh	2007

Title	Organization	Location	From Date	To Date
House Tutor	Salimullah Muslim Hall, University of Dhaka	Dhaka	Jan 2025	Present
Assistant House Tutor	Salimullah Muslim Hall, University of Dhaka	Dhaka	Nov 2023	Jan 2025
Assistant Professor of Chemistry	University of Dhaka	Dhaka, Bangladesh	Oct 2022	Present
Lecturer of Chemistry	University of Dhaka	Dhaka	Oct 2018	Oct 2022

Research Interest

Subject	Description	Research Interest (Goal, Target Indicator)
Medicinal Chemistry
Organic Pollutants in Environment
Natural Product
Analytical Organic Chemistry

Project/Research Supervision

Level of Study	Title	Supervisor	Co-Supervisor(s)	Name of Student(s)	Area of Research	Current Completion
Masters	Investigation of Biological Activity and Secondary Metabolites of Salvia splendens	Md. Mazharul Islam		Rabeya Bosory	Natural products	2025
Masters	Phytochemical Investigation, Isolation of Bioactive Secondary Metabolites, and Biological Activity Evaluation of Oxalis debilis	Md. Mazharul Islam		Maksuda Akter	Natural products	2025
Masters	Appraisal of Water Quality and Public Health Concerns of Groundwater in Narayanganj, Bangladesh: A Risk -Based Approach	Md. Mazharul Islam	Kawsari Akhter	Jannatul Ferdousi Mim	Environmental pollution, Water pollution, Human health risk	2025
Masters	Assessment of Heavy Metals in Commonly Consumed Dry Fish from the Southeastern Part of Bangladesh	Md. Mazharul Islam		Manzida Meher Chowdhury	Food contamination and pollution	2025
Masters	Recycling Spent Dry Cells into rGO/MnO2 Nanocomposite for Advanced Supercapacitor Electrode	Md. Mazharul Islam		Othai Saha	Nanochemistry and Environmental management	2024
Masters	Spatial Distribution, Source Apportionment, and pollution Threat of Heavy Metals and Organochlorine Pesticides in Sediments of Shitalakshya River, Bangladesh	Md. Mazharul Islam		Umma Tohura	Environmental Chemistry, Water pollution and Management	2024
Masters	Spatial Distribution, Quantification, and Risk Assessment of Multi-elements in Urban Wastewater of Dhaka, Bangladesh	Md. Mazharul Islam		Sanjida Tanjid	Waste management and Environmental Chemistry	2024
Masters	Studies of Chemical and Biological Activities and Extraction, Isolation and Structure Elucidation pf Phytochemicalfrom Nerium indicum L.	Md. Mazharul Islam		Amrita Kumar	Natural Products	2023
Masters	A Comprehensive Study of Water Quality, Multi-Elements and PAHs in the Surface Water of the Padma River in the Vicinity of Rooppur Nuclear Power Plant (RNPP)	Md. Mazharul Islam		Md. Sajib Mia	Water Pollution	2023
Masters	Assessment of Water Quality Parameters, Heavy Metals, Pesticide Residues and Microplastics Pollution in the Surface Water of Meghna River (2020-2021)	Mohammad Shoeb	Md. Mazharul Islam	Anika Haider	Environmental Pollution	2022
Masters	Assessment of Residual Organochlorine Pesticides, Heavy Metals and Microplastics Pollution in Sediments of the Meghna River (2020-2021)	Mohammad Shoeb	Md. Mazharul Islam	Mst. Habiba Khatun	Environmental Pollution	2022
Masters	Assessment of Quality of Azithromycin, a Pharmaceutical Drug (2017-2018)	Dr. Mohammad Shoeb	Md. Mazharul Islam	Md. Farhanul Alam	Medicinal Chemistry	2019
Masters	Study of Organochlorine Pesticides, Microplastics, Heavy Metals and Fatty Acid Compositions in Marine Fish Samples (2017-2018)	Dr. Mohammad Shoeb	Md. Mazharul Islam	Sunjida Akter	Environmental Chemistry	2019
Masters	Study of Microplastics, Organochlorine Pesticides, Heavy Metals and Fatty Acid Compositions in Freshwater Fish Samples (2017-2018)	Dr. Mohammad Shoeb	Md. Mazharul Islam	Khandoker Tahmina Tasnim	Environmental Chemistry	2019
Research Project Report/Other	A Quick and Straightforward UV-Visible Spectrophotometric Assessment of Levofloxacin in Solid Dosage Forms Available in Bangladesh	Md. Mazharul Islam		Walid Hossain	Medicinal chemistry	2024
Research Project Report/Other	Synthesis and Characterization of Salicylaldehyde and o-Aminobenzoic Acid Schiff Base and its Metal Complex of Sr (II)	Md. Mazharul Islam		Ayesha Siddiqua	Organic synthesis	2024
Research Project Report/Other	Distribution, Load, and Toxicological Implications of Microplastics in Commercial Freshwater Fish Species of Bangladesh	Md. Mazharul Islam		Israt Jahan	Organic pollutant in food and environment	2024
Research Project Report/Other	Appraisal of Multi-Elements and Organochlorine Pesticides Pollution and Associated Risk in the Surface Water of Gazipur, Bangladesh	Md. Mazharul Islam		Maksuda Akter	Environmental Pollution and Surface Water pollution	2023
Research Project Report/Other	Assessment of Nutritional Composition, Trace Metals, and Bioactivity of Rambutan (Nephelium lappaceum L.): A multifaceted Study	Md. Mazharul Islam		Fahmida Farah Fabia	Natural Product Chemiatry, Medicinal	2023
Research Project Report/Other	Assessment of Nutritional Composition, Heavy Metals and Biological Activity of Trapa natans L.	Md. Mazharul Islam		Rabeya Bosory	Natural Product Chemistry, Medicinal Chemistry and Toxicology	2023
Research Project Report/Other	UV-Visible Spectrophotometric Assessment of Caffeine and Total Carbohydrate Content in Chocolate and Candy Available in Dhaka, Bangladesh	Md. Mazharul Islam		Sanjida Tanjid	Food Chemistry and Toxicology	2022
Research Project Report/Other	Determination of Microplastics in Surface Water of Shitalakshya River	Md. Mazharul Islam		Umma Tohura	Environmental chemistry and Water Pollution	2022
Research Project Report/Other	UV-Visible Spectrophotometric Analysis of Caffeine and Total Carbohydrate in Energy Drinks Available in Dhaka, Bangladesh	Md. Mazharul Islam		Othai Saha	Food Chemistry and Toxicology	2022
Research Project Report/Other	Analysis of the Heavy Metals in the Sediment Samples of Turag River (2017-2018)	Md. Mazharul Islam		M.K. Khairul Islam	Environmental Chemistry	2021
Research Project Report/Other	Nutritional Values of Ficus racemosa L. (2017-2018)	Md. Mazharul Islam		Amrita Kumar	Natural Products	2021
Research Project Report/Other	Ultraviolet-Visible Spectrophotometric Method for the Assessment of Paracetamol and Caffeine in Pharmaceutical Drugs (2017-2018)	Md. Mazharul Islam		Rafica Yasmin	Analytical Chemistry	2021
Research Project Report/Other	Analysis of Water Pollution by Physicochemical and Microbiological Parameters: A Study of Dhaleshwari River (2016-2017)	Md. Mazharul Islam		Tasnum Rahman	Analytical and Environmental Chemistry	2020
Research Project Report/Other	Quality Assessment of Bottled Drinking Water by Physicochemical Properties, Metal Ions and Microbial Analysis (2016-2017)	Md. Mazharul Islam		Habiba Khatun	Analytical Chemistry	2020
Research Project Report/Other	Quality Assessment of Commercial Bottled Drinking Water by Using Physicochemical Parameters, Heavy Metals and Microbial Analysis (2016-2017)	Md. Mazharul Islam		Anika Haidar	Analytical Chemistry	2020
Research Project Report/Other	Investigation of DDTs in Poultry Feed Samples (2015-2016)	Dr. Md. Iqbal Rouf Mamun	Md. Mazharul Islam	Raju Ahammad	Environmental Chemistry	2019
Research Project Report/Other	Analysis of Water Quality Parameters in Samples Collected from Rohhingya Camp (2015-2016)	Dr. Mohammad Shoeb	Md. Mazharul Islam	Mithila Farzana Mumu	Environmental Chemistry	2019
Research Project Report/Other	Chemical and Biological Activity Studies of Syzygium jambos L. (2015-2016)	Md. Mazharul Islam		Fajilatun Nesa	Natural Product Chemistry	2019

Project/Research Work

Subject	Project Name	Source of Fund	From Date	To Date	Collaboration
Natural Products	CHEMICAL AND BIOLOGICAL ACTIVITY STUDIES OF SYZYGIUM JAMBOS (ROSE APPLE).	Bangladesh University Grants Commission (UGC) in the financial year of 2019-2020.	01-07-2019	30-06-2020

Invited Talk

SL	Invited Talk
No invited talk is found

SL	Collaboration & Membership Name	Type	Membership Year	Expire Year
1	Dhaka University Chemistry Alumni Association (DUCAA) (Life Member).	Organization of Chemistry Department, DU	2019	Life Time
2	Network of Instrument Technical Personnel and User Scientists of Bangladesh (NITUB); A Network Supported by International Science Programme (ISP), Uppsala University, Sweden .	Instrument operational based (LM-226)	2019	Life Time

Journal Article
1	Omeo Kumar Ghosh, Md. Mazharul Islam, Fajilatun Nesa, Md. Shaikat Hasan, Ashiqul Amin Abid, Syed Akhiar Ahsan Arham, Mohammad Shoeb, Md. Iqbal Rouf Mamun : DDT and Its Metabolites in Two Marine Dried Fish Species From Bangladesh: Residue Levels, Distribution Patterns, and Health Risk Assessment, Food Science & Nutrition (impact factor:5.0) , vol.14 , no.9 John Wiley & Sons , pp.e72286 , 2026 . View More
2	Md. Mazharul Islam, Mohammad Shoeb, Md. Iqbal Rouf Mamun : Spatiotemporal Distribution, Risk, and Source Identification of Organochlorine Pesticides in the Surface Water of Shitalakshya River, Bangladesh, Journal of Toxicology (impact factor:2.8) , vol.26 , no.1 John Wiley & Sons , pp.1-18 , 2026 . View More
3	Anika Tasnim, Sadia Ishrat Tonika, Afia Tasnim, Md. Mazharul Isalm, Md. Anower Hosen Abida Sultana : Integrated study on physicochemical properties and toxic metal exposure in traditional and commercial sweeteners from Bangladesh, Food and Humanity (impact factor:2.1) , vol.7 , no.2026 Elsevier , pp.101296 , 2026 . View More
4	1. Maksuda Akter, Md. Anowar Hosen, Umma Tohura, Md. Mazharul Islam* : Apportionment of Organochlorine Pesticides, Appraisal, and Health Implications in the Surface Water of Gazipur, Bangladesh, Journal of Chemistry (impact factor:2.6) , vol.2026 , no.3234529 Wiley , pp.1-12 , 2026 . View More
5	Md. Mazharul Islam, Sagor Bisshas, Anik Rudra, Nusrat Jahan Sima and Abida Sultana* : Comprehensive analysis of physicochemical properties, nutritional composition and acrylamide risks of potato chips in Bangladesh, Letters in Food Research , vol.2 , no.3 Rynnye Lyan Resources , pp.1-14 , 2026 . View More
6	Anika Haider, Md. Mazharul Islam & Mohammad Shoeb : Spatio-environmental surveillance of organochlorine pesticides in the Meghna River by liquid–liquid extraction coupled with GC-ECD, Environmental Monitoring and Assessment (impact factor:3.2) , vol.198 , no.21 Springer Science+Business Media , pp.1-16 , 2025 . View More
7	Othai Saha, Md. Humayun Kabir, Md. Mazharul Islam and Mohammad Shoeb : Spectrophotometric analysis of caffeine and sugar content in energy drinks commonly consumed in Dhaka City, Bangladesh: A public health concern, Journal of Bangladesh Academy of Sciences , vol.49 , no.2 Bangladesh Academy of Sciences , pp.205-214 , 2025 . View More
8	1. Maksuda Akter, Md. Anowar Hosen, Md. Mazharul Islam : Distribution, concentration, and risk assessment of trace metals in surface water of Gazipur, Bangladesh, Letters in Food Research , vol.2 , no.1 Budapest Open Access Initiative (BOAI) , pp.e25071 , 2025 . View More
9	1. Othai Saha, Md. Humayun Kabir, Md. Mazharul Islam, Md. Sanwar Hossain, Muhammad Shahriar Bashar, Md Yeasin Pabel and Sabina Yasmin : Recycling spent dry cells into rGO/MnO2 nanocomposites for advanced supercapacitor electrodes, RSC Advances (impact factor:4.6) , vol.15 , no.49 Royal Society of Chemistry , pp.41874–41885 , 2025 . View More
10	Md. Mazharul Islam, Shahnaz Akhtar Nishat, Supath Xavier Besra, Abida Sultana : Occurrence, dietary exposure, and toxicological insights into acrylamide contamination in bakery products in Bangladesh, Letters in Food Research , vol.1 , no.4 Rynnye Lyan Resources , pp.e25055 , 2025 . View More
11	Zeba Samiha, Sherajom Moniroh Joya, Saima Sultana, Md. Mazharul Islam, Mohammad Shoeb, Md. Shahed Reza : Physicochemical Properties, Antimicrobial Activity, and Contaminants in Personal Care Products from Bangladesh, Current Research on Biosciences and Biotechnology , vol.7 , no.1 Institut Teknologi Bandung, Indonesia , pp.1-9 , 2025 . View More
12	Md. Mazharul Islam, Mohammad Moniruzzaman, Mohammad Shoeb, Md. Iqbal Rouf Mamun, Razia Sultana Ankhy : Spatiotemporal dynamics, quality appraisal and source apportionment of water quality parameters in Shitalakshya River, Bangladesh, Heliyon (impact factor:3.6) , vol.11 , no.13 Cell Press , pp.e43627 , 2025 . View More
13	Tasnum Rahman, Aporupa Abeazom Zom Urmi, Md. Mazharul Islam* Md. Iqbal Rouf Mamun and Mohammad Shoeb : Impact of the tannery industrial zone on the physicochemical and microbiological quality of the Dhaleshwari river water, Bangladesh, Journal of Bangladesh Academy of Sciences , vol.49 , no.1 Bangladesh Academy of Sciences , pp.45–55 , 2025 . View More
14	Umma Tohura, Md. Mazharul Islam,* and Mohammad Shoeb : Characterization and Quantification of Microplastics in Surface Water of Shitalakshya River, Bangladesh, Dhaka University Journal of Science , vol.73 , no.1 Faculty of Sciences, University of Dhaka , pp.57-66 , 2025 . View More
15	Abida Sultana, Md. Mazharul Islam, Faruk Ahmed and Nilufar Nahar : Preliminary Investigation of Dry Matter, Total Carbohydrates and Fatty Acid Compositions of Rose Apple (Syzygium Samarangense),* INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN APPLIED SCIENCE (IJRIAS) , vol.X , no.III RSIS International , pp.321-326 , 2025 . View More
16	Md. Mazharul Islam, Sanjida Tanjid and Mohammad Shoeb : Quantification of Caffeine and Carbohydrates in Chocolate and Confectionery Products from Dhaka, Bangladesh: A UV-Visible Spectrophotometric Approach, The North African Journal of Food and Nutrition Research (impact factor:1.04) , vol.9 , no.19 Lab-NuPABS Publisher , pp.57-66 , 2025 . View More
17	Anika Haider, Md. Mazharul Islam, Mst. Habiba Khatun and Mohammad Shoeb : Exploring the Quality of Bottled Drinking Water in Dhaka, Bangladesh: A Focus on Physicochemical Parameters, Heavy Metals, and Microbial Contamination, International Journal of Research and Innovation in Applied Science (IJRIAS) , vol.IX , no.X RSIS International , pp.121-130 , 2024 . View More
18	1. Md. Mazharul Islam, Supath Xavier Besra, Shahnaz Akhtar Nishat and Abida Sultana : A Comprehensive Analysis of Potassium Bromate, a Possible Carcinogen, in Popular Baked Foodstuffs of Bangladesh, Food Science & Nutrition (impact factor:3.553) John Wiley & Sons, Inc. , pp.1-11 , 2024 . View More
19	Shatabdi Roy, Forkan Saroar, Md. Mazharul Islam, Nilufar Nahar and Mohammad Shoeb* : Synthetic Colorants in Traditional Sweetmeat (Laddu) available in Dhaka City, Bangladesh, Dhaka University Journal of Science , vol.72 , no.2 Faculty of Science University of Dhaka , pp.45-51 , 2024 . View More
20	Abida Sultana, Md. Mazharul Islam, Mohammad Shoeb, Md. Iqbal Rouf Mamun and Nilufar Nahar : Assessment of Polycyclic Aromatic Hydrocarbons in Urban Water Bodies: A Study of Rivers and Lakes in Dhaka, Bangladesh,* Dhaka University Journal of Science , vol.72 , no.2 Faculty of Science University of Dhaka , pp.75-83 , 2024 . View More
21	Rafiza Islam, Raju Ahammad, Md. Mazharul Islam, Mohammad Shoeb, Md. Iqbal Rouf Mamun : High performance liquid chromatography assessment of antibiotic residues in poultry and fish feeds in Bangladesh,* Current Research on Biosciences and Biotechnology , vol.6 , no.1 Bandung Institute of Technology , pp.13-19 , 2024 . View More
22	Abida Sultana, Uzzal Saha, Saif Al Shahab and Md. Mazharul Islam : A Comprehensive Nutritional and Compositional Investigation of Instant Mango and Orange Soft Drink Powders in Dhaka City, Bangladesh, INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN APPLIED SCIENCE (IJRIAS) , vol.IX , no.IV RSIS International , pp.294-304 , 2024 . View More
23	Rafica Yasmin Sumaiya, Monira Ismail Meem, Md. Mazharul Islam, Mohammad Shoeb, Md. Iqbal Rouf Mamun : Assessment of paracetamol and caffeine containing non-opioid analgesics tablets commercially available in Bangladesh,* Asian Journal of Pharmacognosy (impact factor:1.0) , vol.8 , no.2 The Asian Society of Pharmacognosy , pp.11-23 , 2024 . View More
24	Sharmin Shahjahan, Mohammad Shoeb, Md. Mazharul Islam, Md. Iqbal Rouf Mamun, Md. Nazrul Islam : Chemical and biological activity studies of Averrhoa carambola L., Current Research on Biosciences and Biotechnology , vol.5 , no.1 Institut Teknologi Bandung. An open access article under CC BY license. , pp.325-331 , 2023 . View More
25	Mohammad Shoeb, Murshid Hossain, Md. Mazharul Islam, M. Shahed Reza, Nilufar Nahar, and Nargis Parvin : Determination of some preservatives and sweeteners in fruit drinks by high performance liquid chromatography, Journal of the Bangladesh Chemical Society , vol.33 , no.2 Bangladesh Chemical Society , pp.83-86 , 2022 . View More
26	Mohammad Shoeb, Md. Mazharul Islam, Khandoker Tahmina Tasnim, Sunjida Akter, Md. Iqbal Rouf Mamun : Lipid content and fatty acid profile of commonly consumed freshwater and marine fish of Bangladesh, Current Research on Biosciences and Biotechnology , vol.4 , no.1 , pp.256-261 , 2022 . View More
27	Mohammad Shoeb, Md. Farhanul Alam, Md. Mazharul Islam, Nargis Parvin, Md. Nazrul Islam and Md. Iqbal Rouf Mamun : Assessment of Quality of Azithromycin, a Macrolide Antibiotic by NMR Spectroscopy, Bangladesh Pharmaceutical Journal , vol.24 , no.1 , pp.37-44 , 2021 . View More
28	RIFAT HASAN APURBA, KHANDAKER HASIF AHMED, MOHAMMAD SHOEB AND MD. MAZHARUL ISLAM : FATTY ACID COMPOSITIONS IN MARINE FISH SAMPLES FROM KUAKATA SEA BEACH, Journal of Bangladesh Chemical Society , vol.31 , no.1 , pp.53-59 , 2019 .
29	Md. Mazharul Islam, Mohammad Shoeb, Robiul Islam and Nilufar Nahar : Heavy Metals Contamination in Marine Fish Samples of Bangladesh.,* Journal of Food & Nutritional Sciences , vol.1 , no.1 , pp.4-11 , 2018 . View More
30	Robiul Islam, Md. Mazharul Islam, Mohammad Shoeb and Nilufar Nahar : Fatty Acid Compositions in Marine Fish Samples of Bangladesh., Journal of Nutrition & Food Sciences (impact factor:2.86) , vol.8 , no.4 , pp.1-3 , 2018 . View More
31	Md. Mazharul Islam, Robiul Islam, Mohammad Shoeb and Nilufar Nahar : Organochlorine Componds in Marine Fish Samples of Bangladesh., Journal of Food Science and Engineering (impact factor:0.683) , vol.8 , pp.83-90 , 2018 . View More
32	Abida Sultana, Robiul Islam, Md. Mazharul Islam : Study of Preservatives and Stimulants in Commercial Soft Drinks., Bangladesh Pharmaceutical Journal , vol.19 , no.1 , pp.68-74 , 2016 . View More
33	Polash Nandi, Md. Mazharul Islam, Abida Sultana, Mohammad Shoeb : Physicochemical Properties and Pesticide Residues in Okra Fruits (Abelmoschus esculentus L.), The Dhaka University Journal of Science , vol.68 , no.2 , pp.155-160 , July, 2020 . View More
34	Md. Mazharul Islam, Md. Hossan Sohid Shoraoardy Bhuiyan, Rakibul Islam, Mohammad Shoeb, Md. Iqbal Rouf Mamun and Md Hafizur Rahman : Physicochemical Properties and Metal Ions in Water and Sediment of the Dhaleshwari River, The Dhaka University Journal of Science , vol.69 , no.1 , pp.37-42 , January, 2021 . View More
35	Fajilatun Nesa, Mohammad Shoeb, Md. Mazharul Islam and Md. Nazrul Islam : Studies of Physico-chemical Properties and Cytotoxicity of Fruits of Syzygium jambos L. against HeLa and Vero Cell Lines, Bangladesh Pharmaceutical Journal , vol.24 , no.2 , pp.111-116 , 2021 (July) . View More
36	Sharmin Shahjahan, Fouzia Ahmed Anny, Mohammad Shoeb, Md. Mizanur Rhaman, Md. Mazharul Islam, Md. Iqbal Rouf Mamun : Assessment of quality of paracetamol and ranitidine drugs by spectroscopic studies, Asian Journal of Pharmacognosy , vol.5 , no.3 The Asian Society of Pharmacognosy , pp.72-79 , 2021 . View More
37	Mohammad Shoeb, Md. Mafizul Islam, Md. Shahed Reza, Nilufar Nahar, Md. Mazharul Islam : HPLC analysis of artificial preservatives, stimulants and sweeteners in carbonated beverages in Bangladesh, Current Research on Biosciences and Biotechnology , vol.3 , no.2 , pp.215-221 , 2022 . View More

Award Type	Title	Year	Country	Description
Local	Dean’s Award	2015	Bangladesh	Dean’s Award for Outstanding Accomplishment in B.S. Honours Examination in the Session 2013-2014
Local	Prof. Abdul Muktadir Memorial Scholarship	2014	Bangladesh	For outstanding Accomplishment in B.S. Honours Examination in the Session 2013-2014
Local	Daily Prothom Alo	2009	Bangladesh	Award from “Daily Prothom Alo” for getting GPA 5.00 in Higher Secondary Certificate (H.S.C.) examination
Local	Daily Prothom Alo	2007	Bangladesh	Award from “Daily Prothom Alo” for getting GPA 5.00 in Secondary School Certificate (S.S.C.) examination

Name & designation Md. Mazharul Islam Assistant Professor

Department Department of Chemistry Faculty of Science

Email mazharul@du.ac.bd

Phone +8801737341540