Three patients with 46,X,inv(Y)(p11.2q11.2)pat/45,X and their pedigree analysis

Abstract

The present study aimed to perform chromosome examination and pedigree analysis on three patients with semen abnormality who had undergone in vitro fertilization–embryo transfer (IVF‐ET). Peripheral blood cell culture and chromosome karyotyping were performed on 4,200 individuals who had undergone chromosome examination. Among them, 155 pregnant women who had successfully conceived were subjected to amniotic cell culture and chromosome karyotyping and those with abnormal chromosome karyotype were further subjected to C‐banding and whole‐genome sequencing. Mosaicism for a 46,X,inv(Y)(p11.2q11.2)pat/45,X karyotype was identified in the probands and immediate adult male relatives. The incidence of this mosaicism in the study population was only 0.07% (3/4,200), which is reported for the first time. For the proband of pedigree A, the results of whole‐genome sequencing and other tests were normal, and the chromosome karyotype of IVF fetuses was 46,X,inv(Y)(p11.2q11.2)pat. All the male members of three pedigrees have normal phenotypes, with no features of Turner's syndrome (45,X) or hermaphroditism (45,X/46,XY), suggesting that the inverted Y chromosome is extremely unstable and particularly susceptible to loss in somatic cells. So we speculate this karyotype may be a unique type of inverted Y chromosome in somatic cells.

Triclinic‐Phase Bismuth Chromate: A Promising Candidate for Photocatalytic Water Splitting with Broad Spectrum Ranges

“…For instance, Zhu and co-workers discovered the Bi 8 CrO 14 photocatalyst with molecular polarity which enables to promote the separation of photogenerated charges. [6] It was reported that Bi 7.38 Cr 0.62 O 12+x with a bandgap of 1.98 eV can act as a visible-light-active photocatalyst to exhibit stable photocatalytic activity. [7] Investigations on the phase transition of bismuth chromates show drastic differences in a narrow window of reaction temperature and a compound of monoclinic Bi 2 CrO 6 Photocatalytic water splitting for solar energy conversion remains challenged by the lack of novel semiconductor photocatalysts with paramount parameters including wide light-harvesting ranges and suitable band structures.…”

Efficient Near‐Infrared Organic Light‐Emitting Diodes with Emission Peak Above 900 nm Enabled by Enhanced Photoluminescence Quantum Yields and Out‐Coupling Efficiencies

“…[5] Despite these applications and desirable features, the external quantum efficiency (EQE) of NIR OLEDs is still significantly lower than that of the visible devices, mainly due to the dramatically increasing non-radiative decay rate with the decreased bandgap of organic solids. [6] This is known as the "energy-gap law", which results in low EQE values (not exceeding 2%) in NIR fluorescent OLEDs. [7] Thus, extensive efforts have been devoted to the development of near-infrared emitters and improving their electroluminescence (EL) properties.…”

“…[7] Thus, extensive efforts have been devoted to the development of near-infrared emitters and improving their electroluminescence (EL) properties. [6,8] Among various infrared organic emitters, Pt (II) complex molecules represent a current state-of-the-art one for NIR OLEDs with EQE>1%. [9] In 2020, Wei et al reported highly efficient NIR OLEDs based on phosphorescent Pt(II) complexes, achieving an external quantum efficiency of 2.14% at 930 nm and a prominent irradiance of 42 W sr −1 m −2 .…”

Ultrathin sillenite nanosheets with wide-spectrum response and high photocatalytic oxidation performance

“…The results show that in Fig. 7d, the oxygen evolution rate of g-Bi 2 O 3 nanosheets reaches 164.2 mmol g −1 h -1 ; in addition, we tested the apparent quantum efficiency of the oxygen evolution reaction of g-Bi 2 O 3 nanosheets, and the apparent quantum efficiency of g-Bi 2 O 3 nanosheets at 420 nm was 0.28%, and the photocatalytic oxygen evolution performance is situated at a high level among bismuth-based photocatalysts with a response range of over 600 nm, 39,40 but no oxygen evolution performance was observed on g-Bi 2 O 3 nanoparticles. As a control, we tested that without the addition of AgNO 3 , and g-Bi 2 O 3 nanosheets exhibit no oxygen production activity (Fig.…”