Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Sheikh Akbar"'
Autor:
Sumit Malik, Joginder Singh, Rohit Goyat, Yajvinder Saharan, Vivek Chaudhry, Ahmad Umar, Ahmed A. Ibrahim, Sheikh Akbar, Sadia Ameen, Sotirios Baskoutas
Publikováno v:
Heliyon, Vol 9, Iss 9, Pp e19929- (2023)
A sensor can be called ideal or perfect if it is enriched with certain characteristics viz., superior detections range, high sensitivity, selectivity, resolution, reproducibility, repeatability, and response time with good flow. Recently, biosensors
Externí odkaz:
https://doaj.org/article/967a474ee143495b9b079bd60bda9ff7
Autor:
Ahmad Umar, M. Shaheer Akhtar, Ahmed A. Ibrahim, Hassan Algadi, Mohsen A.M. Alhamami, Faheem Ahmed, Moaaed Motlak, Sheikh Akbar
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 5018-5031 (2022)
In this paper, highly dense and defined Co3O4 nanofibers were prepared by electrospinning method followed by controlled oxidation using polyvinylpyrrolidone (PVP) and CoCl2 as precursors. For the fabrication of effective electrochemical sensors and s
Externí odkaz:
https://doaj.org/article/ed9b73c235e543abb7128d104dd0ee94
Autor:
Vikas Kumar, Chadetrik Rout, Joginder Singh, Yajvinder Saharan, Rohit Goyat, Ahmad Umar, Sheikh Akbar, S. Baskoutas
Publikováno v:
Heliyon, Vol 9, Iss 5, Pp e15472- (2023)
The soil contamination with heavy metal ions is one of the grave intricacies faced worldwide over the last few decades by the virtue of rapid industrialization, human negligence and greed. Heavy metal ions are quite toxic even at low concentration a
Externí odkaz:
https://doaj.org/article/e35cf6da349a470fbf0fe58e176e5693
Autor:
Savita Chaudhary, Manisha Kumari, Pooja Chauhan, Ganga Ram Chaudhary, Ahmad Umar, Sheikh Akbar, Sotirios Baskoutas
Publikováno v:
Nanomaterials, Vol 13, Iss 8, p 1398 (2023)
Herein, we have developed a one-pot methodology to synthesise three types of C-dots and their activated counterparts from three different types of waste plastic precursors such as poly-bags, cups and bottles. The optical studies have shown the signif
Externí odkaz:
https://doaj.org/article/ad7eee639be44004a449333ac252886e
Publikováno v:
Molecules, Vol 27, Iss 23, p 8429 (2022)
In the present research work, PVFTX-100, PVFSDS, and PVFT-80 sponges were prepared using polyvinyl-alcohol (PVA) with surfactants triton X-100/sodium dodecyl sulfate (SDS)/Tween 80, respectively, for the removal of organic solvents from polluted soil
Externí odkaz:
https://doaj.org/article/b28cdb226b384d44a3584d6126e27da5
Autor:
Nabil. K. Abd-Elrahman, Nuha Al-Harbi, Yas Al-Hadeethi, Adel Bandar Alruqi, Hiba Mohammed, Ahmad Umar, Sheikh Akbar
Publikováno v:
Molecules, Vol 27, Iss 23, p 8594 (2022)
Microbial Electrolysis Cells (MECs) are one of the bioreactors that have been used to produce bio-hydrogen by biological methods. The objective of this comprehensive review is to study the effects of MEC configuration (single-chamber and double-chamb
Externí odkaz:
https://doaj.org/article/a44d6c6ea590454b9a059650a10203ef
Autor:
Ahmad Umar, Pooja Tiwari, Sadanand, Vaibhava Srivastava, Pooja Lohia, Dilip Kumar Dwivedi, Hussam Qasem, Sheikh Akbar, Hassan Algadi, Sotirios Baskoutas
Publikováno v:
Micromachines, Vol 13, Iss 12, p 2073 (2022)
This paper describes the simulation by Solar Cell Capacitance Simulator-1D (SCAPS-1D) software of ZnO/CdS/SnS/NiO/Au solar cells, in which zinc oxide (ZnO) is used as transparent conductive oxide (TCO) and nickel oxide (NiO) is used as a hole transpo
Externí odkaz:
https://doaj.org/article/cf07af6f9ae54275a2d20cd4d4d2fa5b
Autor:
Nabil. K. Abd-Elrahman, Nuha Al-Harbi, Noor M. Basfer, Yas Al-Hadeethi, Ahmad Umar, Sheikh Akbar
Publikováno v:
Molecules, Vol 27, Iss 21, p 7483 (2022)
Microbial fuel cells (MFCs) are an environmentally friendly technology and a source of renewable energy. It is used to generate electrical energy from organic waste using bacteria, which is an effective technology in wastewater treatment. The anode a
Externí odkaz:
https://doaj.org/article/52978b534be94df7ad3cf2ddb1774041
Autor:
Faheem Ahmed, Thangavelu Kokulnathan, Ahmad Umar, Sheikh Akbar, Shalendra Kumar, Nagih M. Shaalan, Nishat Arshi, Mohd Gulfam Alam, Abdullah Aljaafari, Adil Alshoaibi
Publikováno v:
Biosensors, Vol 12, Iss 10, p 856 (2022)
Herein, we present an electrocatalyst constructed by zinc oxide hexagonal prisms/phosphorus-doped carbon nitride wrinkles (ZnO HPs/P-CN) prepared via a facile sonochemical method towards the detection of nitrofurantoin (NF). The ZnO HPs/P-CN-sensing
Externí odkaz:
https://doaj.org/article/1f2378bc972a465ea7012e7ce872947d
Autor:
Digambar Nadargi, Ahmad Umar, Jyoti Nadargi, Jayvant Patil, Imtiaz Mulla, Sheikh Akbar, Sharad Suryavanshi
Publikováno v:
Chemosensors, Vol 10, Iss 9, p 361 (2022)
Herein, we describe the facile synthesis of spinel MgFe2O4 ferrite and its potential use as a gas sensor using a straightforward and reliable sol–gel approach, i.e., the glycine-assisted auto-combustion route. The novelty in obtaining the sensing m
Externí odkaz:
https://doaj.org/article/8131ec9db6b045199e2faed77b60b31d