Jiafeng Geng
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View article: Visualization and Simulation Study on the Performance of Plastic Particles in the Hydrothermal Conversion Process
Visualization and Simulation Study on the Performance of Plastic Particles in the Hydrothermal Conversion Process Open
View article: The Applications and Challenges of Nanofluids as Coolants in Data Centers: A Review
The Applications and Challenges of Nanofluids as Coolants in Data Centers: A Review Open
With the rapid development of artificial intelligence, cloud computing and other technologies, data centers have become vital facilities. In the construction and operation of data centers, how to effectively solve the problem of cooling an…
View article: A Numerical Case Study of Particle Flow and Solar Radiation Transfer in a Compound Parabolic Concentrator (CPC) Photocatalytic Reactor for Hydrogen Production
A Numerical Case Study of Particle Flow and Solar Radiation Transfer in a Compound Parabolic Concentrator (CPC) Photocatalytic Reactor for Hydrogen Production Open
Compound parabolic concentrator (CPC) photocatalytic reactors are commonly used for photocatalytic water splitting in hydrogen production. This study aimed to gain a better understanding of the physical processes in CPC photocatalytic reac…
View article: An Experimental Study on the Effect of Nanofluids on the Thermal Conductivity and Rheological Properties of a Coolant for Liquids
An Experimental Study on the Effect of Nanofluids on the Thermal Conductivity and Rheological Properties of a Coolant for Liquids Open
Thermal conductivity and viscosity are important properties for nanofluids as they significantly affect the flow and heat transfer process. To date, the rheological properties of water-based nanofluids have been well studied, while the res…
View article: Achieving 12.0% Solar-to-Hydrogen Efficiency with a Trimetallic-Layer-Protected and Catalyzed Silicon Photoanode Coupled with an Inexpensive Silicon Solar Cell
Achieving 12.0% Solar-to-Hydrogen Efficiency with a Trimetallic-Layer-Protected and Catalyzed Silicon Photoanode Coupled with an Inexpensive Silicon Solar Cell Open
n-Type silicon (n-Si), with surface easily oxidized and passivated in an aqueous electrolyte, has suffered from sluggish oxygen evolution reaction (OER) kinetics for photoelectrochemical (PEC) water splitting. Herein, a trimetallic Ni0.9Fe…
View article: Simulation of OH– and oxygen transport in the air–cathode catalyst layer of microbial fuel cells
Simulation of OH– and oxygen transport in the air–cathode catalyst layer of microbial fuel cells Open
The mass transfer of OH– and oxygen within an air–cathode is critical for the performance of microbial fuel cells (MFCs). Improving the understanding of this complex transportation mechanism could help guide the design of air-cathodes to e…
View article: Discovery of 5′-Substituted 5-Fluoro-2′-deoxyuridine Monophosphate Analogs: A Novel Class of Thymidylate Synthase Inhibitors
Discovery of 5′-Substituted 5-Fluoro-2′-deoxyuridine Monophosphate Analogs: A Novel Class of Thymidylate Synthase Inhibitors Open
5-Fluorouracil and 5-fluorouracil-based prodrugs have been used clinically for decades to treat cancer. Their anticancer effects are most prominently ascribed to inhibition of thymidylate synthase (TS) by metabolite 5-fluoro-2'-deoxyuridin…
View article: Thermal Modulation of Radiation Fields Enhancing the Adaptability of Cpv-Hydrogen Systems to Hot Outdoor Conditions
Thermal Modulation of Radiation Fields Enhancing the Adaptability of Cpv-Hydrogen Systems to Hot Outdoor Conditions Open
View article: Heme-dependent Tryptophan Oxidation: Mechanistic Studies on Tryptophan 2,3-Dioxygenase and MauG
Heme-dependent Tryptophan Oxidation: Mechanistic Studies on Tryptophan 2,3-Dioxygenase and MauG Open
Hemoenzymes are prevalent in nature and participate in a wide range of biological activities. Frequently, high-valence iron intermediates are involved in the catalytic events of these enzymes, especially when the activation of peroxide or …
View article: Metalloenzymes involved in carotenoid biosynthesis in plants
Metalloenzymes involved in carotenoid biosynthesis in plants Open
View article: Heme Binding to HupZ with a C-Terminal Tag from Group A Streptococcus
Heme Binding to HupZ with a C-Terminal Tag from Group A Streptococcus Open
HupZ is an expected heme degrading enzyme in the heme acquisition and utilization pathway in Group A Streptococcus. The isolated HupZ protein containing a C-terminal V5-His6 tag exhibits a weak heme degradation activity. Here, we revisited…
View article: Kinetic and Spectroscopic Characterization of the Catalytic Ternary Complex of Tryptophan 2,3-Dioxygenase
Kinetic and Spectroscopic Characterization of the Catalytic Ternary Complex of Tryptophan 2,3-Dioxygenase Open
The first step of the kynurenine pathway for l-tryptophan (l-Trp) degradation is catalyzed by heme-dependent dioxygenases, tryptophan 2,3-dioxygenase (TDO) and indoleamine 2,3-dioxygenase. In this work, we employed stopped-flow optical abs…
View article: Enhanced efficiency in Concentrated Parabolic Solar Collector (CPSC) with a porous absorber tube filled with metal nanoparticle suspension
Enhanced efficiency in Concentrated Parabolic Solar Collector (CPSC) with a porous absorber tube filled with metal nanoparticle suspension Open
View article: Heat transfer and nanofluids flow through the circular concentric heat pipes: a comparative study using least square method (LSM)
Heat transfer and nanofluids flow through the circular concentric heat pipes: a comparative study using least square method (LSM) Open
In this paper, hydro-thermally performance of a circular concentric heat pipe is evaluated using the analytical least square method (LSM) and the accuracy of results is examined by fourth order Runge-kutta numerical method.In described pro…
View article: Control of carotenoid biosynthesis through a heme-based cis-trans isomerase
Control of carotenoid biosynthesis through a heme-based cis-trans isomerase Open
View article: An Iron Reservoir to the Catalytic Metal
An Iron Reservoir to the Catalytic Metal Open
View article: Probing Bis‐Fe<sup>IV</sup> MauG: Experimental Evidence for the Long‐Range Charge‐Resonance Model
Probing Bis‐Fe<sup>IV</sup> MauG: Experimental Evidence for the Long‐Range Charge‐Resonance Model Open
The biosynthesis of tryptophan tryptophylquinone, a protein‐derived cofactor, involves a long‐range reaction mediated by a bis‐Fe IV intermediate of a diheme enzyme, MauG. Recently, a unique charge‐resonance (CR) phenomenon was discovered …