Reinforcing and protecting leather-based relics using gelatin/tannic acid composites.

Subject to environmental influences such as temperature, humidity, light, and microorganisms, leather-based relics are easily be deteriorated, which will damage their historical value. In this work, gelatin/tannic acid composites (Gel/TA) was prepared and characterized to investigate their potential as a novel approach for reinforcing and protecting leather-based relics. According to the characterization, it was found that hydrogen bonds was formed between gelatin and TA, and Gel/TA presented increases in the antioxidant capacity(82.

New insights into the biological roles of immune cells in neural stem cells in post-traumatic injury of the central nervous system.

Traumatic injuries in the central nervous system, such as traumatic brain injury and spinal cord injury, are associated with tissue inflammation and the infiltration of immune cells, which simultaneously affect the self-renewal and differentiation of neural stem cells. However, the tissue repair process instigated by endogenous neural stem cells is incapable of restoring central nervous system injuries without external intervention. Recently, resident/peripheral immune cells have been demonstrated to exert significant effects on neural stem cells.

Effects of FeO nanoparticles on anaerobic digestion enzymes and microbial community of sludge.

FeO nanoparticles (NPs) have potential effects on the anaerobic digestion of excess sludge. The effects of different concentrations of FeO NPs (0, 100, 200, 400 and 600 mg/L) on enzymes and microorganisms in anaerobic digestion were studied to explore the mechanism of the effect of FeO NPs on anaerobic digestion. The results showed that 100, 200 and 400 mg/L FeO NPs could promote anaerobic digestion, and 200 mg/L FeO NPs had the most obvious promoting effect.

Effect of FeO nanoparticles on the performance of anaerobic digestion through electrochemical analysis.

In view of the high cost and complex operation of the traditional chemical method for the determination of the anaerobic digestion (AD) process, this study investigated the feasibility of using electrochemistry analysis to determine the effect of FeO nanoparticles (NPs) on the AD process. The quantity of electric charge of FeO NPs modified graphite electrode in sodium acetate electrolyte was higher than that of graphite electrode. The addition of FeO NPs was beneficial to improve the electrochemical activity of the electrode.

Potential promotion of activated carbon supported nano zero-valent iron on anaerobic digestion of waste activated sludge.

A large amount of waste activated sludge (WAS) harms the ecological environment, and anaerobic digestion (AD) is an effective method for WAS treatment. In this study, activated carbon (AC)/ nano zero-valent iron (NZVI) was synthesized by a liquid-phase reduction method, and was used to boost methane production. The associated mechanisms and effects of additives on AD during the addition and removal stage were investigated systematically.

The Differential Expression of Cytokines and Growth Factors After SMILE Compared With FS-LASIK in Rabbits.

Purpose: To investigate the differential expression of cytokines and growth factors in the cornea and aqueous humor after small incision lenticule extraction (SMILE) compared with femtosecond LASIK (FS-LASIK) using rabbit model.

Methods: Sixteen eyes of 16 rabbits in each group underwent SMILE or FS-LASIK with refractive correction of -6.00 DS/-1.

Combined antitumor effects of anti-EGFR variant III CAR-T cell therapy and PD-1 checkpoint blockade on glioblastoma in mouse model.

Glioblastoma is one of the deadliest cancers. Chimeric antigen receptor (CAR)-T cell therapy against solid tumors has been far from satisfactory largely due to the immunosuppressive tumor microenvironment, such as PD-1 mediated T cell exhaustion. In the present study, we investigated the combined antitumor effects of anti-EGFR variant III CAR-T cell therapy and PD-1 checkpoint blockade on glioblastoma in mouse model.

Real-Time Intraocular Pressure Measurements in the Vitreous Chamber of Rabbit Eyes During Small Incision Lenticule Extraction (SMILE).

Purpose: To investigate real-time intraocular pressure (IOP) during small incision lenticule extraction (SMILE) in rabbit eyes for myopia correction.

Methods: During SMILE, real-time IOP was measured in the vitreous cavity of rabbit eyes with an optic fiber pressure sensor (OFPS). Two groups (n = 6 for each) underwent surgery, one group for a -2.

Comparison of the Optical Quality between Small Incision Lenticule Extraction and Femtosecond Laser LASIK.

To investigate the visual quality after SMILE and Femto-LASIK. About 123 eyes from 63 patients were enrolled in this study. The parameters were measured preoperatively and 1 week, 1 month, and 3 months postoperatively using Sirius System.

[The study of the changes of ultra- microstructure after a momentary action of femtosecond laser with human corneal tissue in vivo].

Objective: To observe the changes of pathology and ultra- microstructure of corneal lenticules extracted by femtosecond laser small incision lenticule extraction surgery and to investigate instantaneous damage of photodisruption of femtosecond laser to human corneal tissue in vivo.

Methods: The small incision lenticule extraction surgeries in 25 myopic eyes were performed with Carl Zeiss VisuMax femtosecond laser, and the lenticules were observed by light microscopy, scanning electron microscopy and transmission electron microscopy.

Results: Light microscopy showed slight edema in part of the collagen fibers in the cornea lenticule tissue.

[Wavefront analysis and comparison between small incision lenticule extraction and femtosecond laser in situ keratomilensis].

Objective: To investigate and analyze the characteristic changes of high order aberrations before and after small incision lenticule extraction (SMILE) and femtosecond laser in situ keratomileusis (FS-LASIK).

Methods: Prospective study. Thirty-four patients (16 men and 18 women) underwent SMILE, and 28 cases (15 men and 13 women) underwent FS-LASIK, aged 18 to 39 years.

[Two millimeter micro incision lenticule extraction surgery with minimal invasion: a preliminary clinical report].

Objective: To report the clinical results of micro incision lenticule extraction (MILE) to correct myopia or myopia with astigmatism, and enlighten its viability and mechanism.

Methods: Prospective case-control study. All patients enrolled were treated by the VisuMax femtosecond laser system to correct refractive errors.

[Early outcomes of corneal sensitivity changes after small incision lenticule extraction and femtosecond lenticule extraction].

Objective: To evaluate and compare the recovery of central and peripheral corneal sensitivity in the early period after small incision lenticule extraction (SMILE) and femtosecond lenticule extraction (FLEx).

Methods: In this study, 47 cases (87 eyes) which underwent SMILE and FLEx were included. Central, superior, inferior, nasal and temporal corneal sensitivity was measured using a Cochet-Bonnet esthesiometer (Luneau Ophthalmologic) before and 1 week, 1 month, and 3 months after SMILE and FLEx.

[Clinical study of femtosecond laser corneal small incision lenticule extraction for correction of myopia and myopic astigmatism].

Objective: To evaluate the safety, efficacy, predictability, stability and complications of femtosecond laser corneal small incision lenticule extraction (SMILE) procedure for the correction of myopia and myopic astigmatism.

Methods: In this prospective study, 50 patients (88 eyes) with myopia and myopic astigmatism were chosen to be performed SMILE procedure randomly. These patients were followed up at 1 day, 1 week, 1 month and 3 months postoperatively and were examined for uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), manifest refraction, intraocular pressure (IOP) and corneal topography.

Ocular higher-order aberration features 10 years after photorefractive keratectomy.

The aim of the present study is to re-evaluate the original cohort of patients who participated in the first photorefractive keratectomy (PRK) trial in the 1990s, especially their optical performance. Forty-four eyes (24 patients) of the original cohort who underwent PRK using the NIDK EC-5000 excimer laser platform returned 10 years (range 9-14 years) postoperatively to have higher-order aberrations (HOAs) recorded. Wavefront aberrations were measured using Wavescan (VISX, Santa Clara, CA, USA) and calculated for 3- and 6-mm pupil size.

Effects of error in radius of curvature on the corneal power measurement before and after laser refractive surgery for myopia.

Purpose: To investigate the sources of error in corneal power measurement before and after corneal refractive surgery for myopia.

Methods: The study comprised 28 eyes of six males and eight females with a mean age of 26 (range 18-39 years). The radius of curvature of anterior and posterior corneal surface, Q-Values of anterior and posterior corneal surface and corneal central thickness were measured by rotating Scheimpflug imaging (Pentacam).

[Analysis of light scatter changes and relevant factors after laser refractive surgery].

Objective: To investigate the changes and relevant factors of forward scatter after Epipolis laser in situ keratomileusis (Epi-LASIK)and laser in situ keratomileusis (LASIK).

Methods: It was a prospective clinical comparative study. 45 patients (45 eyes) were scheduled for Epi-LASIK and 42 patients (42 eyes) for LASIK.

Optical quality analysis after surface excimer laser ablation: the relationship between wavefront aberration and subepithelial haze.

Purpose: To investigate the relationship between mild and moderate corneal haze and the distribution of higher order wavefront aberrations after photorefractive keratectomy (PRK).

Methods: Thirty-six eyes from 18 patients who underwent PRK were divided into two groups: 10 eyes with corneal haze and 26 eyes without corneal haze (control). All eyes were evaluated up to 6 months after PRK.

Ocular higher-order aberrations features analysis after corneal refractive surgery.

Background: The recent studies have shown that visual performance might be affected by the ocular aberration after the corneal refractive surgery, and try to minimize it. This study was to investigate the effects of photorefractive keratectomy (PRK) and laser in situ keratomileusis (LASIK) on the higher order of wavefront aberration and analysis of their characteristics.

Method: This prospective study involved 32 eyes with similar refractive powers (-5.

Changes of higher order aberration with various pupil sizes in the myopic eye.

Purpose: To investigate the effect of pupil diameter on higher order aberration in myopic eyes.

Methods: One hundred and two eyes of 51 normal subjects were evaluated with the Nidek OPD-Scan.

Results: All types of aberration increased significantly with increasing pupil size (P<.