Geopolymer composite spheres derived from graphene-modified fly ash/slag: Facile synthesis and removal of lead ions in wastewater.

Geopolymer composite spheres derived from potassium-activated graphene-modified slag/fly ash powder were produced in a polyethylene glycol (PEG 400) solvent. The effect of graphene type (graphene oxide (GO) and few-layered graphene (GNP)) on the pore structure and lead ions (Pb) removal performance of the spheres were evaluated. The results showed that the composite spheres modified with GOs (0.

Mesenchymal stem cell-derived exosomes: a promising vector in treatment for diabetes and its microvascular complications.

Mesenchymal stem cell-derived exosomes (MSC-exos) are phospholipid bimolecular vesicles containing various materials, and they mediate crosstalk among cells. MSC-exos can maintain glucose homeostasis and delay the progression of diabetes and its microvascular complications through multiple mechanisms, such as by improving β-cell viability and insulin resistance as well as through multiple signal transduction pathways. However, related knowledge has not yet been systematically summarized.

Prenatal High-Sucrose Diet Induced Vascular Dysfunction in Thoracic Artery of Fetal Offspring.

Scope: Maternal nutrition during pregnancy is related to intrauterine fetal development. The authors' previous work reports that prenatal high sucrose (HS) diet impaired micro-vascular functions in postnatal offspring. It is unclear whether/how prenatal HS causes vascular injury during fetal life.

First trimester serum PIGF is associated with placenta accreta.

Objectives: In this retrospective study, we investigated whether first trimester serum placental growth factor (PIGF) differed amongst pregnancies with placenta previa-accreta and non-adherent placenta previa and healthy pregnancies.

Methods: In 1 January 2017-30 September 2019, a total of 177 pregnant females were included in the study, as follows: 35 cases of placenta previa-accreta, 30 cases of non-adherent placenta previa, and 112 cases of age and BMI-matched, healthy pregnant controls. PIGF multiples of the median (MoM) were acquired from laboratory data files.

A green and low-cost hollow gangue microsphere/geopolymer adsorbent for the effective removal of heavy metals from wastewaters.

In this paper, hollow gangue microspheres (GM) were introduced into a geopolymer matrix through a geopolymeric method; our aim was to synthesize a green and low-cost adsorbent (GM/KGP) for the removal of heavy metal ions (Cu, Cd, Zn, and Pb) from aqueous solutions. We investigated the microstructure of the GM/KGP adsorbent, as well as the effects of adsorbent dose, time, and temperature on adsorption behavior; moreover, an adsorption mechanism was proposed. The GM/KGP adsorbent possessed a typical broad amorphous structure and abundant O-containing functional groups on its surface.

Transplantation of bone-marrow-derived mesenchymal stem cells into a murine model of immune thrombocytopenia.

: Several reports have demonstrated T regulatory cells may play an important role in the pathophysiology of immune thrombocytopenia (ITP). As the immunomodulator, bone-marrow-derived mesenchymal stem cells (MSCs) (BM-MSCs) regulate T regulatory cells and show therapeutic effects on autoimmune diseases. However, it is not clear how BM-MSCs affect ITP.