Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Aynun Nahar"'
Autor:
Shamaila Islam, Md Ahedul Akbor, Farah Noshin Chowdhury, Mehedi Hasan, Aynun Nahar, Md Abu Bakar Siddique, Md Moniruzzaman, Md Selim Reza, Md Iftakharul Muhib, Md Mostafizur Rahman
Publikováno v:
Heliyon, Vol 10, Iss 21, Pp e39561- (2024)
Food contamination by heavy metals is a concerning issue worldwide. The presence of elevated levels of heavy metals in commonly consumed rice has emerged as a critical issue in ensuring food safety. This research encompassed the collection of 44 rice
Externí odkaz:
https://doaj.org/article/ceaa62ba1e9c4f9c86d91519da9f4dc2
Autor:
Aynun Nahar, Md. Sahadat Hossain, Arup Das, Md. Ahedul Akbor, Umme Sarmeen Akthar, Md. Sha Alam, Nigar Sultana Pinky, Md. Atikur Rahman, Mehedi Hasan, Fariha Afrose
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 5, Pp 101924- (2024)
In this study, the waste newspaper was utilized to prepare carbon aerogel (CA) for adsorptive removal of Metformin hydrochloride (MH) (antidiabetic drug residues) from the aqueous system. The prepared CA was characterized using Field emission scannin
Externí odkaz:
https://doaj.org/article/30bc1ebfb24f4e1a918b914e81e39861
Autor:
Aynun Nahar, Md. Sahadat Hossain, Md. Ahedul Akbor, Subarna Sandhani Dey, Md. Ashraful Alam, Sharmin Ahmed Trisha, Tania Afrose Sheoly, Nigar Sultana Pinky, Farhana Afrose Sonia
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102595- (2024)
This study dealt with naturally occurring biotite from the river sediment to synthesize biotite based composite to evaluate antimicrobial activities against gram positive bacteria, negative bacteria and fungi. Biotite mineral, and synthesized carbon
Externí odkaz:
https://doaj.org/article/65d5ab8e91e247378eeaf5816ee5dcdc
Autor:
Aynun Nahar, Md. Ahedul Akbor, Md. Tanzil Ahamed Shawon, Sharmin Ahmed Trisha, Umme Sarmeen Akhtar, Md. Ashraful Alam, Nigar Sultana Pinky, Md. Sha Alam, Farhana Afrose Sonia, Md. Sahadat Hossain
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102524- (2024)
This study was explored the photocatalytic efficiency of biotite and ZnO embedded carbon aerogel (CA) photocatalyst to degrade ciprofloxacin (CIP) antibiotic from an aqueous medium by sunlight harvesting. CA came from waste newspaper through pyrolysi
Externí odkaz:
https://doaj.org/article/ab7e8d1f5b634681a2a80799d9198276
Autor:
Razia Sultana Ankhy, Shatabdi Roy, Aynun Nahar, Ahedul Akbor, Md Al-amin Hossen, Farah Jeba, Md Safiqul Islam, Mohammad Moniruzzaman, Abdus Salam
Publikováno v:
Heliyon, Vol 10, Iss 16, Pp e36213- (2024)
The prevalence of brown carbon (BrC) in the atmosphere has experienced a notable upsurge owing to human activities of anthropogenic origin. This study aims to examine the optical characteristics of BrC in both deionized (DI) water and organic solvent
Externí odkaz:
https://doaj.org/article/a964344bdd8a4559a58afd4fa047eaa1
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34548- (2024)
Organochlorine pesticides (OCPs) are persistent organic compounds found in aquatic environments worldwide. A well-validated and well-established analytical method is crucial for detecting OCPs in the environment. In this study, an analytical method f
Externí odkaz:
https://doaj.org/article/5145eb038d0d4b5aad58f31c3bbf51a9
Autor:
Nigar Sultana Pinky, Mashrafi Bin Mobarak, Sonjida Mustafi, Mohammad Zesanur Rahman, Aynun Nahar, Trissa Saha, Newaz Mohammed Bahadur
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 9, Pp 105080- (2023)
Herein, in-house built heating chamber aided facile preparation of biochar was carried out using Bangladeshi sprouted corncob as the precursor for removing methylene blue (MB). The corncob biomass (CCB) was pyrolyzed at 700 °C for 2hrs (heating rate
Externí odkaz:
https://doaj.org/article/19ca9db17f10415697a9572753033b66
Autor:
Aynun Nahar, Md. Ahedul Akbor, Shudeepta Sarker, Md. Abu Bakar Siddique, Md. Aftab Ali Shaikh, Nushrat Jahan Chowdhury, Shamim Ahmed, Mehedi Hasan, Shahnaz Sultana
Publikováno v:
Heliyon, Vol 9, Iss 8, Pp e18465- (2023)
Concentration, source, ecological and health risks of sixteen polycyclic aromatic hydrocarbons (PAHs) were estimated for water and sediment samples of two urban rivers namely Buriganga River (BR) and Dhaleswari River (DR). The mean concentration of
Externí odkaz:
https://doaj.org/article/89b98b2733e341998ccee9def26b0e71
Autor:
Aynun Nahar, Md. Ahedul Akbor, Nigar Sultana Pinky, Nushrat Jahan Chowdhury, Shamim Ahmed, Md. Abdul Gafur, Umme Sarmeen Akhtar, Md. Saiful Quddus, Fariha Chowdhury
Publikováno v:
Heliyon, Vol 9, Iss 7, Pp e17793- (2023)
In this study, a carbon-based adsorbent was developed from waste newspaper through pyrolysis at 800 °C to evaluate the removal efficiency of polycyclic aromatic hydrocarbons (Benzo[ghi]perylene (BghiP) and Indeno [1,2,3-cd] pyrene (IP)) from wastewa
Externí odkaz:
https://doaj.org/article/b5e28db36c974b7397f226819d8c231f
Autor:
Beauty Akter, Mashura Shammi, Md Ahedul Akbor, Sabina Yasmin, Aynun Nahar, Shirin Akhter, Yeasmin Nahar Jolly, Md Khabir Uddin
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 7, Iss , Pp 100282- (2023)
This study aimed to prepare and characterize biochars from Textile and Food industry sludges set at 300 °C, 400 °C, and 500 °C. The residence time was 2 hours for each treatment with nitrogen flow. Biochar yields were decreased by increasing pyrol
Externí odkaz:
https://doaj.org/article/940978c9232044829729ac3a56e51195