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Mucinous Cystadenoma Arising in Post-Treatment Non-Seminomatous Germ Cell Tumor: A Rare Occurrence.
Cureus
November 2024
Pathology, All India Institute of Medical Sciences, Rishikesh, Rishikesh, IND.
Germ cell tumors, the most common of the testicular neoplasms, originate from primordial germ cells. These tumors are known for their totipotent nature, capable of differentiating into various cell types. This case report presents a rare occurrence of mucinous cystadenoma in a patient who received chemotherapy for metastatic left non-seminomatous germ cell tumor (NSGCT) of the testis.
View Article and Find Full Text PDFPure Yolk Sac Testicular Tumour in an Adult: A Diagnostic Dilemma.
Cureus
November 2024
Andrology, University College London, London, GBR.
A rare case of a pure yolk sac testicular tumour presenting in an adult with learning difficulties is presented. Pure yolk sac tumours are much more common in children, but when they do occur in adults, onset can be both insidious and aggressive. The best practice for identification involves the precise use of ultrasound, blood tests for tumour markers and FDG-PET/CT imaging for staging.
View Article and Find Full Text PDFModulating the Coordination Environment of Cu-Embedded Mo ( = S, Se, and Te) Monolayers for Electrocatalytic Reduction of CO to CH: Unveiling the Origin of Catalytic Activity.
Langmuir
December 2024
Department of Chemistry, School of Physical Chemical and Applied Sciences, Pondicherry University, Puducherry 605014, India.
The electrochemical CO reduction reaction (CORR) is a promising approach to alleviating global warming and emerging energy crises. Yet, the CORR efficiency is impeded by the need for electrocatalysts with good selectivity and efficiency. Recently, single-atom catalysts (SACs) have attracted much attention in electrocatalysis and are more efficient than traditional metal-based catalysts.
View Article and Find Full Text PDFEnhanced humic acid removal by sludge activated carbon/Fe composite in peroxymonosulfate activation: mechanism and performance.
Environ Sci Pollut Res Int
December 2024
School of Chemical Engineering and Technology, Guangdong Industry Polytechnic University, Guangzhou, China.
In subsurface water, humic acid (HA) can react with active chlorine to form carcinogenic compounds, posing ecological issues and health risks. This study aims to create sludge activated carbon (SAC), combine it with Fe, and activate peroxosulfate (PMS) to remove HA from water. To verify the successful modification of SAC, the physicochemical properties were characterized using various methods such as scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), Brunauer Emmett Teller (BET) analysis, and X-ray photoelectron spectroscopy (XPS).
View Article and Find Full Text PDFAchieving Photocatalytic Overall Nitrogen Fixation via an Enzymatic Pathway on a Distorted CoP4 Configuration.
Angew Chem Int Ed Engl
December 2024
Chinese Academy of Sciences Dalian Institute of Chemical Physics, State Key Laboratory of Catalysis, CHINA.
Photocatalytic nitrogen (N2) fixation over semiconductors has always suffered from poor conversion efficiency owing to weak N2 adsorption and the difficulty of N≡N triple bond dissociation. Herein, a Co single-atom catalyst (SAC) model with a C-defect-evoked CoP4 distorted configuration was fabricated using a selective phosphidation strategy, wherein P-doping and C defects co-regulate the local electronic structure of Co sites. Comprehensive experiments and theoretical calculations revealed that the distorted CoP4 configuration caused a strong charge redistribution between the Co atoms and adjacent C atoms, minimizing their electronegativity difference.
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