-
公开(公告)号：US20250012754A1
公开(公告)日：2025-01-09
申请号：US18895140
申请日：2024-09-24
Applicant: CENTRAL LABS-KING KHALID UNIVERSITY
Inventor： Anuj KUMAR , Mohd UBAIDULLAH , Mohd ABOHASAN , Mohd SHKIR , Mohammed S. ALQAHTANI , Hamed Majdooa ALGARNI , Yufeng ZHAO
IPC: G01N27/327
Abstract: The present invention relates to an electrochemical sensor for rapid and accurate detection of Na+ and K+ ions in the human body. The sensor utilizes a crown-ether functionalized graphene-based electrode, developed through innovative synthetic strategies. The process involves engineering graphene with highly selective crown ethers, resulting in a biocompatible, high-quality electrode. This sensor exhibits superior potentiometric detection capabilities for Na+ and K+ ions in extremely small samples. The invention offers a low-cost, highly sensitive, and selective method for monitoring ion concentrations, addressing the need for early identification of diseases caused by Na+/K+ imbalances. Benefits include rapid testing, versatility, and potential applications in personalized medicine and point-of-care diagnostics. This technology overcomes existing obstacles in early disease detection and provides a foundation for advanced biosensor development in healthcare.
-
公开(公告)号：US20250011187A1
公开(公告)日：2025-01-09
申请号：US18886612
申请日：2024-09-16
Applicant: CENTRAL LABS , KING KHALID UNIVERSITY
Inventor： Mohd UBAIDULLAH , Mohd SHKIR , S.M. AL-MOAYID , Hamed Majdooa ALGARNI , Haitham Elhosiny ALI , Yasmin KHAIRY , Jagadeesha Angadi V , Anuj KUMAR , Bidhan PANDIT
IPC: C01G51/00
Abstract: The present invention relates to a method for synthesizing dysprosium-doped cobalt-chromate for supercapacitor applications and a composition for the same, wherein an efficient and cost-effective Solution Combustion synthesis method is utilized for the preparation of Dy-doped CoCr2O4 (CCD). The stoichiometric dissolution of metal and rare earth nitrates, along with fuels, in distilled water forms a green-colored solution, subsequently heated to 450 degrees Celsius. The resulting ash undergoes grinding to yield a fine green pigment with a controlled size of 25 nm. Electrochemical properties of CCD are thoroughly examined through cyclic voltammetry, galvanostatic charge-discharge, and electrochemical impedance spectroscopy. Capacitive behavior, evaluated via various techniques, demonstrates an increase in capacitance with Dy3+ concentration. Density of states calculations reveal improved electronic features after Dy3+ doping, emphasizing enhanced charge storage capabilities. This invention provides insights into an advanced synthesis approach and the electrochemical potential of Dy-doped CoCr2O4 for energy storage applications.
-
公开(公告)号：US20230356162A1
公开(公告)日：2023-11-09
申请号：US18345328
申请日：2023-06-30
Inventor： Anuj KUMAR , Mohd Ubaidullah , S.M. Al-Moayid , Mohd. Shkir , Hamed Majdooa Algarni , Thamraa Alshahrani
CPC classification number: B01J6/008 , B01J19/126 , B01J19/02 , B01J19/0013 , B01J2203/00 , B01J2219/00141 , B01J2219/00076 , B01J2219/00065
Abstract: The present invention generally relates to a microwave-assisted pyrolysis system comprised of a microwave chamber body (102); a black carbon platform (104) disposed inside the microwave chamber body for irradiating microwave radiation and absorbing microwave energy; a quartz microwave reactor (106) placed on the black carbon platform for receiving chemical precursor(s) and applying microwave irradiation for absorption of microwave energy thereby heating the black carbon platform for microwave-assisted pyrolysis of the received chemical precursor(s); a cooling unit (108) employed for regulating and maintaining a user-defined temperature level upon detecting the temperature inside the microwave reactor using a temperature sensor (110), if the temperature exceeds the optimum level, wherein the optimum temperature is defined on the type of precursors undergoing pyrolysis; and wherein if the heating temperature is raised extremely high, the cooling unit inside the microwave machine gets activated to bring down the temperature to the user-defined level.
