Article
Chemistry, Analytical
B. S. Kavitha, S. Sridevi, Pandeeswar Makam, Debasis Ghosh, Thimmaiah Govindaraju, S. Asokan, A. K. Sood
Summary: An effective optical method using CNC bolaamphiphile functionalised eFBG sensor has been developed for selective and rapid detection of mercury (Hg2+) in drinking water. The sensor shows a linear response to thiol-Hg2+ coordination with a LOD of 100nM. Coated with CNC, the sensor achieves a LOD of 1pM with a dynamic range from 1pM to 1μM, showing repeatability and specificity in the presence of interfering metals. The sensor has potential to be a highly sensitive, selective, portable, real-time, on-site optical probe for Hg2+ detection in drinking water.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Analytical
Jiaben Zhong, Hangyan Zhang, Yina Cai, Xiuping Chen, Zhiyuan Fang, Dun Deng
Summary: A colorimetric assay was developed for rapid detection of DCAN, with a visual detection limit of 20 ng mL-1 and a fluorescence detection limit of 8.75 ng mL-1. This method is also able to detect other haloacetonitriles derived from chlorine disinfection.
Article
Engineering, Environmental
Qi Shi, Zhuo Chen, Fanqin Wei, Yu Mao, Qi Xu, Kuixiao Li, Yun Lu, Hong-Ying Hu
Summary: This study identifies TF, UV254, and cATP concentration as surrogates for predicting microbial inactivation during ozone disinfection, with empirical linear correlations developed for commonly used microbial indicators. TF is considered the most efficient surrogate due to its high sensitivity, accuracy, and reliability, while cATP concentration is an effective supplement for reflecting total microbial counts. The study provides a rapid and reliable approach for evaluating and predicting ozone disinfection efficiency.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Spectroscopy
D. Pankin, A. Povolotckaia, E. Borisov, M. Belyakov, S. Borzenko, A. Gulyaev, M. Moskovskiy
Summary: The structure and rotational conformers of the rubrofusarin molecule were investigated using DFT approach. It was found that stable molecules have a group symmetry close to Cs. The rotation of the methoxy group had the smallest potential barrier. The modelling of vibrational spectra and electronic singlet transition were carried out, showing a small shift in absorption bands wavelength for the methoxy group rotation conformer and a larger shift for the tautomer.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Environmental Sciences
Min-hyung Lee, Jongho Won, Sehyun Chung, Seonghwan Kim, Simon S. Park
Summary: This study proposes a method for rapid and accurate detection of ionic contents in water through the combination of ultraviolet spectroscopy, electrochemical impedance spectroscopy, and convolutional neural network. The results demonstrate the superiority of this method in predicting ionic concentrations compared to traditional methods such as partial least squares regression and random forest.
Article
Crystallography
Dmitrii Pankin, Anastasia Povolotckaia, Mikhail Smirnov, Evgenii Borisov, Anatoly Gulyaev, Alexey Dorochov, Vasiliy Novikov, Sergey Kuznetsov, Oleg Noy, Sergey Belousov, Maksim Moskovskiy
Summary: The article studies the structure, optical properties and stability of Anhydrofusarubin. The computational results obtained using density functional theory are in good agreement with experimental data. The study finds the presence of slightly higher energy tautomers and two conformational enantiomer forms. The vibrational and UV-visible absorption spectra were simulated and interpreted.
Article
Chemistry, Inorganic & Nuclear
Selva R. Kumar, Vetriarasu Venkatesan, R. Bhaskar, S. K. Ashok Kumar, Akella Sivaramakrishna, Kari Vijayakrishna, C. V. S. Brahmmananda Rao, N. Sivaraman, Suban K. Sahoo
Summary: A simple and reliable colorimetric probe has been synthesized and its sensing ability towards various metal ions has been studied through colorimetry. The probe shows significant color changes upon interaction with uranyl ions, enabling selective and sensitive visual detection of trace levels of UO22+ ions without the need for sophisticated instruments.
DALTON TRANSACTIONS
(2021)
Article
Chemistry, Multidisciplinary
Jinzhong Cai, Huang Yishun, Weiyun Zhang
Summary: A novel method for detecting coliform bacteria using a simple technology has been developed, enabling rapid and accurate detection of coliform bacteria in various food and water samples.
CHEMICAL COMMUNICATIONS
(2021)
Article
Thermodynamics
A. Nugroho, Z. Bo, R. Mamat, W. H. Azmi, G. Najafi, F. Khoirunnisa
Summary: The study on the impact of sonication duration on Al2O3-Polyol ester nanolubricants reveals that an 80-minute sonication has the most optimal effect, leading to improved stability of the samples.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2021)
Article
Chemistry, Multidisciplinary
Shamshad Ul Haq, Maryam Aghajamali, Hassan Hassanzadeh
Summary: A cost-effective, environmentally friendly anthocyanin-based paper sensor with high sensitivity and optical visibility was developed for rapid detection of ammonia in aqueous solutions. The sensors, fabricated from anthocyanin extracted from different sources and alkalinized samples, showed visible color changes for ammonia concentrations as low as 2 mg NH3-N/L, demonstrating their potential as promising analytical tools for on-site screening of ammonia. Spike recovery results of the sensors were comparable to those of standard spectrophotometry methods, indicating their reliability and accuracy.
Article
Chemistry, Multidisciplinary
Shafiquzzaman Siddiquee, Suryani Saallah, Noor Aini Bohari, Gilbert Ringgit, Jumardi Roslan, Laila Naher, Nur Fatihah Hasan Nudin
Summary: The study introduced a facile method for determining melamine in milk powder products based on the aggregation of 5 nm gold nanoparticles. The method showed high sensitivity, good recoveries, and the ability for real-time detection by the naked eye.
Article
Agronomy
Yumei Peng, Huasen Xu, Zi Wang, Jia Shi, Junfei Lv, Xiang Wang
Summary: This study investigates the changes in the quantity and quality of dissolved organic matter (DOM) in intercropping soil under drought conditions. It finds that intercropping can provide more bioavailable resources and soil carbon inputs, but further data is needed to understand its response to drought.
Article
Multidisciplinary Sciences
Sabelo B. Mthembu, Damilola Caleb Akintayo, Brenda Moodley, Bhekumuzi P. Gumbi
Summary: In this study, the gold nanoparticle method was used to detect poly-(DADMAC) in drinking water, and the method was optimized. The method was applied to two water treatment plants, and the residual poly-(DADMAC) concentration in drinking water was found to be within the accepted limit regulated by the World Health Organisation.
Article
Environmental Sciences
Chih-Wei Pai, Gen-Shuh Wang
Summary: The study found that a higher concentration of oxidants resulted in better removal of PPCPs. The efficiency of removal of selected PPCPs was greatly improved when chlorine or hydrogen peroxide was used in combination with UV. While UV/Chlorine had higher PPCP removal efficiency than UV/H2O2, the latter resulted in smaller amounts of disinfection by-products in treated water.
Article
Materials Science, Multidisciplinary
Jiang Jie, Changtao He, Junpu Zhao, Jinghua Han, Na Xie, Guoying Feng, Jing Xiao, Lingling Xiong
Summary: This study investigates the use of laser-induced plasma photocatalysis for the degradation of methylene blue dye. A neodymium-doped yttrium aluminium garnet laser is used to excite an iron plate and produce plasma, which releases UV light for the degradation process. The results show that the efficiency of degradation is influenced by the UV light source generated by plasma sonoluminescence.
OPTICAL MATERIALS EXPRESS
(2022)
Article
Chemistry, Organic
Priyanka B. Kole, Shiva Prasad Kollur, H. D. Revanasiddappa, Chandan Shivamallu, Renyer A. Costa, Earle S. A. Junior, Lucas M. Anselmo, Jonathas N. da Silva, Chandrashekar Srinivasa, Asad Syed, Fateh Singh
Summary: This study describes the UV-Visible and FT-IR spectral behavior of highly functionalized diarylmethanes through theoretical investigations. Theoretical and experimental data analyses show good agreement. Molecular dynamics and molecular docking calculations were performed to evaluate the behavior of these molecules in aqueous medium and their pharmacological potential. Additionally, vibrational analysis and HOMO-LUMO analysis were conducted.
POLYCYCLIC AROMATIC COMPOUNDS
(2023)
Article
Chemistry, Applied
Aiza Azam, Gulzar Muhammad, Muhammad Shahbaz Aslam, Muhammad Mudassir Iqbal, Muhammad Arshad Raza, Naeem Akhtar, Muhammad Ajaz Hussain, Noreen Sajjad, Asad Syed, Ali H. Bahkali, Zahid Shafiq
Summary: The multifunctional zinc oxide nanoparticles synthesized using a cost-effective and eco-friendly approach demonstrated excellent antibacterial properties and wound healing potential. The nanoparticles were characterized using various techniques to confirm their antibacterial activity and biocompatibility.
APPLIED ORGANOMETALLIC CHEMISTRY
(2023)
Article
Environmental Sciences
Dan Bahadur Pal, Amit Kumar Tiwari, Nirupama Prasad, Asad Syed, Ali H. Bahkali, Neha Srivastava, Ravindra Pratap Singh, Vijai Kumar Gupta
Summary: The present study focused on the bio-energy potential of waste biomass, specifically water hyacinth leaves and stems. The pyrolysis process of both biomasses was investigated at different heating rates using a thermogravimetric analyzer. The results showed that the maximum thermal degradation occurred within the temperature range of 200-400℃, and the activation energy for water hyacinth leaves and stems was calculated to be around 92-98 kJ/mol and 151-153 kJ/mol, respectively. These findings suggest that these low-cost abundantly available biomasses have great potential for the production of solid bio-fuel.
Article
Multidisciplinary Sciences
Nida Fareed, Sobia Nisa, Yamin Bibi, Amna Fareed, Waqas Ahmed, Maimoona Sabir, Sadia Alam, Anila Sajjad, Sunjeet Kumar, Mubashar Hussain, Asad Syed, Ali H. Bahkali, Abdallah M. Elgorban, Abdul Qayyum
Summary: Antimicrobial resistance is a global problem caused by exposure to inappropriate quantity of antibiotics and accumulation of mutations. Biosynthesized silver nanoparticles (AgNPs) obtained from carrot extract in different regions of Pakistan showed promising antibacterial efficacy and antioxidant activity. The differences in bioactivity from different sampling sites may be attributed to altitude, soil texture, and local environmental changes.
JOURNAL OF KING SAUD UNIVERSITY SCIENCE
(2023)
Article
Biotechnology & Applied Microbiology
Suaad Alwakeel, Nouf Alothman, Fuad Ameen, Modhi Alotaibi, Afrah E. Mohammed, Eman Alhomaidi
Summary: Microorganisms in desert soil produce secondary metabolites to survive under drought and heat stress. The presence of stress-related genes in desert fungi was analyzed and compared to their antimicrobial, anticancer, and enzyme production properties. Differences in enzyme activities and antagonistic activities were observed between summer and winter isolates. The presence of certain genes seemed to correlate with highly antagonistic activities. Fungal isolates from the hot season in deserts have potential biotechnological applications.
BIOTECHNOLOGY AND GENETIC ENGINEERING REVIEWS
(2023)
Article
Biotechnology & Applied Microbiology
Abeer A. Al-Masri, Fuad Ameen, Rakesh Davella, Estari Mamidala
Summary: This study investigated the antidiabetic potential of Rumex vescarius L. and its flavonoid Luteolin. In vivo antidiabetic tests showed a significant hypoglycemic effect of luteolin from R. vesicarius leaves, with the highest dose producing the greatest reduction in blood glucose levels. Molecular docking studies revealed significant binding interactions of luteolin with the enzyme alpha-glucosidase.
BIOTECHNOLOGY AND GENETIC ENGINEERING REVIEWS
(2023)
Article
Chemistry, Organic
Soukaina Ameur, Ali Barhoumi, Mar Rios-Gutierrez, Anas Ouled Aitouna, Habib El Alaoui El Abdallaoui, Noureddine Mazoir, Mohammed Elalaoui Belghiti, Asad Syed, Abdellah Zeroual, Luis R. R. Domingo
Summary: The chemo-, regio-, and stereoselectivity of the hetero-Diels-Alder reaction between 3-benzoylpyrrolo[1,2-c][1,4]benzoxazine-1,2,4-trione and vinyl acetate was studied using molecular electron density theory. The reaction was found to be chemo-, stereo-, and regioselective, with vinyl acetate acting as a nucleophile and 3-benzoylpyrrolo[1,2-c][1,4]benzoxazine-1,2,4-trione acting as a strong electrophile. The electron density reorganization along the preferred reaction path was analyzed using topological electron localization function analysis, revealing a two-stage one-step mechanism.
CHEMISTRY OF HETEROCYCLIC COMPOUNDS
(2023)
Article
Environmental Sciences
Anum Amin, Maria Manzoor, Muhammad Wajahat Ramay, Ali Hassan, Kiran Hina, Asad Syed, Ali H. Bahkali, Muhammad Arshad
Summary: This study aimed to assess the potential of nanoparticles for the photodegradation of antibiotics and the subsequent improvement in crop productivity and quality. The results showed that TiO2 nanoparticles were the most effective for the removal of antibiotics, with degradation rates of 65% for amoxicillin and 56% for levofloxacin on the 7th day. Furthermore, the application of TiO2 nanoparticles improved the growth and nutrient uptake of wheat under antibiotic stress.
Article
Biochemistry & Molecular Biology
Ahmed M. A. A. Ramadan, Reda M. M. Shehata, Hussein H. H. EL-Sheikh, Fuad Ameen, Steven L. L. Stephenson, Sabry A. H. Zidan, Osama A. M. Al-Bedak
Summary: Using the ITS region, three strains of Aspergillus terreus were identified. Strain AUMC 15760 showed the highest ability to produce lovastatin in solid-state fermentation using wheat bran. Lignocellulosic waste, particularly sugarcane bagasse, was found to be a suitable substrate for lovastatin production.
Article
Engineering, Marine
Naeem Ullah, Menglan Duan, Mac Darlington Uche Onuoha, Asad Syed, Muhammad Sajid, Guomin Sun, Wenda Li
Summary: The installation of subsea equipment in deep water requires a precise and safe strategy to minimize mishaps. This study presents a theoretical model for the constrained dynamics of a multibody system in an offshore installation scenario. The model demonstrates more accuracy and stability compared to the OrcaFlex numerical simulation. The findings will enhance the safety and stability of multibody structure installation in deep water.
Article
Plant Sciences
Fuad Ameen, Fadaa Alown, Mohammed Fanokh Al-Owaidi, T. Sivapriya, Andres Alexis Ramirez-Coronel, Mansour Khat, Reza Akhavan-Sigari
Summary: This study investigates the effects of silver nanoparticles synthesized from Ipomoea asarifo-lia extract on cancer and bacteria cells. Results show that these nanoparticles can inhibit the proliferation of cancer cells and reduce the growth of bacterial cells, suggesting their potential as a promising strategy for cancer and infection treatment.
SOUTH AFRICAN JOURNAL OF BOTANY
(2023)
Article
Genetics & Heredity
Chen Xu, Sandip Debnath, Asad Syed, Abdallah M. Elgorban, Ali H. Bahkali, Rajalakahmanen Eswaramaathy, Meenakshi Verma, Md Mostofa Uddin Helal, Xing Jian
Summary: This study investigates the vulnerability of E. grandis during the initial months of root system proliferation and the role of Taxol in enhancing its drought resistance. The results demonstrate that E. grandis can withstand drought stress by accumulating soluble carbohydrates, proline, and antioxidant enzymes. The findings highlight the pivotal role of Taxol in augmenting the resilience of E. grandis against drought stress.
FRONTIERS IN GENETICS
(2023)
Article
Materials Science, Multidisciplinary
Iqra Shafiq, Muhammad Khalid, Muhammad Adnan Asghar, Muhammad Adeel, Muhammad Fayyaz ur Rehman, Asad Syed, Ali H. Bahkali, Abdallah M. Elgorban, Muhammad Safwan Akram
Summary: In this study, a series of novel fused ring non-fullerene acceptors with A-D-A architecture were designed and their photovoltaic response was investigated using computational methods. The results showed that the terminal substitution of the acceptors resulted in a lower energy gap, higher electron mobility, wider absorption spectrum, lower excitation energy, lower binding energy, and higher excitation dissociation rate compared to the reference compound.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Biotechnology & Applied Microbiology
K. Velsankar, K. Aravinth, Paiva-Santos Ana Claudia, Yong Wang, Fuad Ameen, S. Sudhahar
Summary: This study successfully synthesized MgO nanoparticles using black rice extract, which exhibited rectangular and rice-grain architecture morphology. The nanoparticles showed antioxidant, anti-inflammatory, anti-diabetic, and anticancer activities, with no toxicity towards normal cells and red blood cells, suggesting their potential use as therapeutic drugs in biomedical and pharmaceutical sectors.
BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Manikant Tripathi, Basant Lal, Asad Syed, P. K. Mishra, Abdallah M. Elgorban, Meenakshi Verma, Rajeev Singh, Akbar Mohammad, Neha Srivastava
Summary: The economic production of cellulase enzymes is an important area of research, and this study focuses on improving cellulase production and activity using low-cost cellulosic substrates. The researchers used waste biomasses of water hyacinth to produce cellulases and investigated the impact of temperature and pH on enzyme production. They found that optimal conditions resulted in high cellulase production and activity, and the cellulase enzymes were able to effectively hydrolyze water hyacinth leaves to release glucose.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
