Construction of Cu(I)-Organic Frameworks with Effective Sorption Behavior for Iodine and Congo Red.

The assembly of a tetradentate pyridine-derived ligand with CuX has afforded two isostructural Cu(I)-organic frameworks [CuX(TBD)·DMF] (X = Cl for and Br for ) in this work. Structural analysis indicates that the compounds feature hybrid layered architectures, and the three-dimensional supramolecular frameworks are finally fabricated through the alternative stacking of adjacent layers wherein large open channels are simultaneously constructed. The chemical stability has been studied showing the excellent skeleton maintenance of the prepared solids in various solvents and even in water.

Long-Term Efficacy of Maintenance Therapy for Multiple Myeloma: A Quantitative Synthesis of 22 Randomized Controlled Trials.

We aimed to quantitatively synthesize data from randomized controlled trials (RCTs) concerning maintenance for multiple myeloma (MM). We searched electronic literature databases and conference proceedings to identify relevant RCTs. We selected eligible RCTs using predefined selection criteria.

[Orientation growth of osteocyte in the bone harvest chamber].

Objective: To study orientation remodeling without stress in bone harvest chamber.

Methods: The bone harvest chamber (BHC) methodology is adopted in this study. Five female Japanese white rabbits were allowed unrestricted activity.

[Determination of trace silver in water samples by solid phase extraction portable tungsten-coil electrothermal atomic absorption spectrometry].

A simple method has been developed for the determination of silver in environmental water samples using solid phase extraction with tungsten-coil electrothermal atomic absorption spectrometry. Silica gel was used as an adsorbent and packed into a syringe barrel for solid phase extraction of silver prior to its determination by using a portable tungsten-coil electrothermal atomic absorption spectrometer. Optimum conditions for adsorption and desorption of silver ion, as well as interferences from co-existing ions, were investigated.

Glucocorticoid-induced differentiation of primary cultured bone marrow mesenchymal cells into adipocytes is antagonized by exogenous Runx2.

Long-term clinical use of glucocorticoids often causes the serious side effect of non-traumatic avascular osteonecrosis. The aim of this study was to examine the effects and mechanisms of a glucocorticoid, dexamethasone (Dex), on differentiation of primary cultured rat bone marrow mesenchymal cells (BMCs). We also tried to block the inhibitory effects of Dex on osteoblast differentiation.

[The expression of vegf in rat fracture reparative callus].

The present study has determined the histological changes, VEGF (Vascular endothelial growth factor) mRNA alternative expressions and VEGF mRNA levels in chondrogenic-callus, osteogenic-callus and total callus by histology, RT-PCR and Northern blot during rat fracture repair. The results showed that the cellular events of intramembranous ossification, chodrogenesis and endochondral ossification appeared in the callus simultaneously and sequentially. The VEGF mRNAs were expressed in the osteogenic-callus and the chondrogenic-callus, and the strongest expressions were VEGF120 and VEGF164 mRNA.

Effects of recombinant sCR1 on the immune inflammatory reaction in acute spinal cord injury tissue of rats.

Objective: To determine the effects of recombinant soluble complement receptor type I (sCR1) on the immune inflammatory reaction in acute spinal cord injury tissue of rats and its protective effects.

Methods: SD rat models of acute spinal cord injury were prepared by modified Allen's method. The motor function of the rat lower extremities in sCR1 group and normal saline (NS) group was evaluated by the tiltboard experiment at 12 h, 1 d, 3 d, 7 d, and 14 d.

[Effect of arthroscopic anterior cruciate ligament reconstruction].

Objective: To investigate the clinical effect of reconstructing anterior cruciate ligament by using a bone-patellar tendon-bone autograft under arthroscopy.

Methods: Among 13 patients with anterior cruciate ligament injury, there were 9 males and 4 females(aged 23-45). Their anterior cruciate were reconstructed by applying the mid-one third autologous bone-patellar tendon-bone strip in -press fit technique under arthroscopy.

Thoracic spinal trauma associated with closed thoracoabdominal injury.

Objective: To explore the management of thoracic spinal trauma (TST) associated with closed thoracoabdominal injuries (CTAI).

Methods: A retrospective study was made on 259 patients with TST admitted to our department as an emergency treatment from January 1996 to June 2001. We summarized the clinical features of TST associated with CTAI.