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A novel method for the preparation of antitumor drug vehicles has been optimized. Biological materials of chitosan oligosaccharide (CO) and γ-polyglutamic acid (γ-PGA) have previously been employed as modifiers to covalently modify graphene oxide (GO), which in turn loaded doxorubicin (DOX) to obtain a nano drug delivery systems of graphene oxide based composites (GO-CO-γ-PGA-DOX). The system was not equipped with the ability of initiative targeting, thus resulting into toxicity and side effects on normal tissues or organs. In order to further improve the targeting property of the system, the nucleic acid aptamer NH2 -AS1411 (APT) of targeted nucleolin (C23) was used to conjugate on GO-CO-γ-PGA to yield the targeted nano drug delivery system APT-GO-CO-γ-PGA. The structure, composition, dispersion, particle size and morphology properties of the synthesized complex have been studied using multiple characterization methods. Drug loading and release profile data showed that APT-GO-CO-γ-PGA is provided with high drug loading capacity and is capable of controlled and sustained release of DOX. Cell experimental results indicated that since C23 was overexpressed on the surface of Hela cells but not on the surface of Beas-2B cells, APT-GO-CO-γ-PGA-DOX can target Hela cells and make increase toxicity to Hela cells than Beas-2B cells, and the IC50 value of APT-GO-CO-γ-PGA-DOX was 3.23±0.04 μg/mL. All results proved that APT-GO-CO-γ-PGA can deliver antitumor drugs in a targeted manner, and achieve the effect of reducing poison, which indicated that the targeted carrier exhibits a broad application prospect in the field of biomedicine.With the increased incidence of diabetes, the number of diabetic patients who require surgical treatment is also increasing. Unfortunately, practices in this area lack standardisation. The purpose of this multidisciplinary, evidence-based guidelines for perioperative blood glucose management is to provide a comprehensive set of recommendations for clinicians treating diabetes with different types of surgery. The intended audience comprises Chinese endocrinologists, surgeons, anaesthetists, clinical pharmacists, nurses and professionals involved in perioperative blood glucose management. The guidelines were formulated as follows. First, a multidisciplinary expert group was established to identify and formulate key research questions on topics of priority according to the Population, Intervention, Comparator and Outcomes (PICO) process. We conducted a meta-analysis of available studies using Review Manager version 5.3, as appropriate. We pooled crude estimates as odds ratios with 95% confidence intervals using a random-effects model, and used the Grading of Recommendations Assessment, Development, and Evaluation methods to assess the quality of the retrieved evidence. Finally, 32 recommendations were gathered that covered 11 fields-management and coordination, endocrinologists' consultation, diabetes diagnosis, surgery timing and anaesthesia method, blood glucose target values and monitoring frequency, hypoglycaemia treatment, oral administration of blood glucose lowering drugs, use of insulin, enteral and parenteral nutritional, postoperative treatment and medication and education and training. Twenty-five systematic reviews and meta-analyses were conducted for these guidelines to address the PICO questions. These guidelines are intended to improve perioperative blood glucose management and help doctors in specifying medical diagnosis and treatment, and will be implemented / disseminated extensively in China. This study aimed to assess the safety, blood pressure changes, and biochemical responses of superselective adrenal artery embolization (SAAE) in hypertensive patients with idiopathic hyperaldosteronism (IHA). SAAE is a minimally invasive procedure that has been used to successfully treat aldosterone-producing adenoma. However, its effect for patients with IHA is unevaluated. A total of 41 hypertensive patients who were diagnosed with IHA and underwent SAAE at the Fuwai Hospital between December 2010 and June 2016 were prospectively enrolled. The blood pressure, antihypertensive medications, plasma aldosterone and potassium levels, and adverse events were assessed. The primary endpoint was the change in home blood pressure at 12 months, compared with baseline. SAAE was technically successful in 39 patients. Postoperatively, home and 24-hr mean blood pressures were reduced by 14/9 and 10/7 mmHg at 1 month, respectively, and by 13/7 and 11/7 mmHg at 12 months, respectively. The number of antihypertensive agents used reduced by 1.0 and 1.1 at 1 month and 12 months, respectively (all p < .001). Compared with baseline (524.0 pmol/L), the standing plasma aldosterone reduced to 293.4 pmol/L at 12 months (p < .001). Serum potassium increased from 3.0 to 4.1 mmol/L while the rate of potassium supplement and mineralocorticoid receptor antagonist use reduced from 87.1 and 89.7%, respectively, to 28.2 and 17.9%, respectively, at 12 months (all p < .001). https://www.selleckchem.com/products/iwp-2.html There were no serious complications in the perioperative and 12-month follow-up periods. SAAE was effective and feasible for IHA treatment, without serious complications, therefore, maybe a potential treatment. SAAE was effective and feasible for IHA treatment, without serious complications, therefore, maybe a potential treatment.Mercury and cadmium are deemed to be the most harmful heavy metal ions for elimination due to their persistent bio-accumulative and bio-expanding toxic effects. Although many technologies have been developed for capturing Hg(II) and Cd(II) ions from aqueous solution, developing efficient and practical capature technology remains a big challenge. Metal-organic frameworks (MOFs) have been considered as the most promising adsorbents for Hg(II) and Cd(II) removal due to their high porosity and easy functionalization, and various of MOF-based adsorbents based on different synthetic strategies have been prepared and studied. In this article, the progresses of MOF-based absorbents for Hg(II) and Cd(II) capture are described according to the synthetic strategies and the types of functional groups, and the comparison and practical analysis of various adsorbents are also presented.
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