The β-sheet peptides can be self-assembled to form different supramolecular solids. The supramolecular solid can be linked to a wide range of functional domains, for example, with cell adhesion sequences, signal domains, and vaccine epitopes to form complex nanostructures, which can be widely used in biomedical fields. In this paper, we mainly reviewed the self-assembly of peptides using β-folding secondary structure to form nanostructures, and discussed the application of nanostructures in drug delivery and tissue engineering.

Saxitoxin (STX) is one of the most toxic marine toxins.Scientists have been focusing on STX research due to the potentially pharmaceutical values and serious threat to human safety and health.. This review summarizes the structure, properties, binding targets and combination of structural basis of STX and its analogues in recent years reported. STX can bind Na+, K+, Ca2+channels to suppress the channel ion current, but also combine the bullfrog Saxiphilin protein and puffer fish STX/TTX binding protein (PSTBP) to protect the body from STX toxicity. STX also as a substrate for STX enzymes and affects the activity of nitric oxide synthase, antioxidant enzymes. Furthermore,this review has a comprehensive analysis of these targets of STX and a preliminary discussion of the medicinal value of anesthesia and analgesia and the development of antidotes to STX. It is expected to provide a reference for further study of the nature of STX and its application in various fields.

Objective To explore the effect of personalized intervention on drug compliance in patients with multidrug-resistant pulmonary tuberculosis. Methods A total of 80 patients with multidrug-resistant pulmonary tuberculosis were selected from March 22, 2016 to March 22, 2017, and randomized groups were randomly divided into the observation group and the control group,40 cases in each groups . The observation group and the control group Intervention and routine care. Results Observation group of patients satisfaction score (97.92±1.24), compliance score (95.42±3.14), the incidence of adverse events (5.00%), reasonable nutrition rate (100.00%), prescribed medication rate (100.00%), don't do STH without authorization (100.00%), rate of quitting cigarettes, alcohol and drug withdrawal rate (95.00%), and regularly review rate (95.00%), the psychological function (97.53±1.22) and body function (96.18 ± 1.42) points (95.31±2.41), material life, social function (94.82± 3.42mm) were better than control group (P<0.05).Conclusion Individualized intervention in multidrug-resistant tuberculosis patients can improve drug compliance.

Objective To investigate the short-term effects of glucocorticoid therapy on patients with idiopathic interstitial pneumonia using high resolution CT semi quantitative scores. Methods According to the different HRCT scores will be January 2015 -2017 year in January in our hospital for diagnosis and treatment of idiopathic interstitial pneumonia patients with 60 cases of groups: control group with HRCT score < 20%, the observation group with HRCT score more than 20%; the patients in the two groups of experimental data were recorded in detail and analyzed and discussed the high resolution CT semi quantitative score judgment of idiopathic interstitial pneumonia patients treated with glucocorticoid efficacy. Results The observation group (HRCT score≥20%) accuracy is higher than that of the control group (HRCT score<20%), the difference between groups was statistically significant (P<0.05). Conclusion The treatment of idiopathic interstitial pneumonia in patients with glucocorticoid selection of high resolution CT;semi quantitative score to determine significant short-term effect, HRCT score of the best critical value was 20%, the diagnostic accordance rate can obtain excellent.

Objective To explore the nursing intervention of adverse reactions of Iohexol Injection using CT scanning. Methods According to the different nursing intervention mode of patients in our hospital in January January 2015 to January 2017 performed CT scanning using the Iohexol Injection group in 50 cases as control group with routine nursing intervention, the observation group used routine nursing quality nursing intervention;adverse reaction a detailed record of the two groups of patients, and the incidence of adverse reactions compared to investigate the effect of nursing intervention of adverse reactions using the Iohexol Injection CT scan. Results Routine nursing quality nursing intervention (observation group) is better than the clinical effect of CT scanning using Iohexol Injection in patients with routine nursing intervention (control group) clinical the effect and adverse reaction rates in patients with lower than the control group, the difference was statistically significant (P<0.05). Conclusion CT scan. With Iohexol Injection patients regular nursing care, high quality nursing mode intervention effect is remarkable, can effectively reduce the incidence of adverse reactions in patients, it is worthy of clinical widely used.

Objective To observe the effect of obstructive sleep apnea syndrome (OSAHS) patients with glycosylated hemoglobin (HbA1c) levels, assessment of continuous positive airway pressure (CPAP) effect on the level of HbA1c in patients with OSAHS. Methods From January 2013 to December 2016, eighty patients with OSAHS were divided into mild group, eighteen cases, moderate group twenty cases, severe group forty-two cases according to the apnea hypopnea index (AHI). Thirty healthy subjects were chosen as the control group. All the treatment groups were treated with CPAP for three months. Overnight polysomnography and HbA1c test were performed before and after treatment, and the control group was examined by HbA1c before treatment. Results The level of glycosylated hemoglobin in the middle and severe group was higher than that of the control group(P<0.05). After treatment, the glycated hemoglobin levels in the moderate and severe groups were significantly lower(P<0.05), and the sleep apnea hypopnea index, the lowest SaO2 and the average SaO2 level were significantly improved(P<0.01). Conclusion Glycated hemoglobin levels increased significantly in patients with moderate and severe OSAHS, and decreased HbA1c levels in patients with moderate and severe OSAHS after CPAP treatment.

Objective To explore the related factors that lead to unqualified urine and stool routine test specimens, and put forward effective solutions. Methods Urine samples and stool samples of 500 cases were selected, and the unqualified urine and stool samples were analyzed thoroughly. Results The unqualified rate of routine urine test group was 5%, and the unqualified rate of fecal routine test group was 6.40%. Urine and stool test samples are not qualified a total of 57 cases, including 3 cases (5.26%) the lack of application, 5 cases (8.77%) test sample does not comply with the inspection application list information, 37 cases (64.91%), 3 cases of insufficient sample (5.26%) samples were contaminated, 4 cases (7.01%) for overtime, 5 cases (8.77%) were insufficient and inconsistent information. Conclusion The urine and stool often caused by the unqualified situation in clinical diagnosis, have a great relationship with the reason was largely related to nursing staff before collecting urine and stool specimens of patients with lack of guidance, and the acquisition is completed with the after is not strictly in accordance with the relevant standards carefully check samples, in order to effectively improve the current situation, the hospital needs to be more reasonable and scientific to collect urine and feces samples were developed on the basis of this process, by strengthening the training of nursing staff to the sample qualified to provide the important guarantee.

Objective To explore the effect of percutaneous interventional radiofrequency thermocoagulation target ablation combined with nerve block in the treatment of lumbar disc herniation, and to provide reference for clinical application. Methods Randomly selected from May 2015 to May 2017 treatment of lumbar disc herniation in 150 cases, according to the different treatment methods were divided into observation group and control group. The observation group of 78 cases, including percutaneous interventional radiofrequency thermocoagulation target ablation combined with nerve block treatment; the control group of 72 cases, simply accept the nerve block treatment. The degree of lumbar dysfunction was evaluated by Osw estry Lumbar Dysfunction Index (ODI) before and after treatment. The efficacy of the two groups was evaluated by modified MacNab score. Adverse reactions were observed during the two groups. Results There was no significant difference between the two groups. After 2 weeks of treatment, the scores of ODI were significantly lower than those before treatment (P<0.05). The ODI score of the observation group was significantly lower than that of the control group (P<0.05). The effective rate was 96.2% (75/78) and the excellent and good rate was 91.03% (71/78). The effective rate was 90.28% (65/72) and the excellent and good rate was 65.28% (47/72). The excellent and good rate of the observation group was significantly higher than that of the control group (P<0.05). There were no significant adverse reactions in the two groups. Conclusion Percutaneous interventional radiofrequency thermocoagulation target ablation combined with nerve block treatment of lumbar disc herniation significantly, high safety.

Objective To analyze the irrational prescriptions, improvement measures and improvement effect in our hospital in 2016. Methods 7200 outpatient and emergency prescriptions of our hospital in 2016 were randomly selected to study. 3600 prescriptions from January 2016 to June were selected as pre intervention group, and 3600 prescriptions from July 2016 to December were selected as post intervention group,First of all, the prescription of the pre intervention group was reviewed, according to the results of the review and literature review to determine the intervention measures. The types of prescription drugs, average amount of prescription, rate of antibiotic use and unreasonable prescription rate of two groups were observed. Results Types of prescription drugs(2.27 kinds vs. 1.93 kinds), average amount of prescription(171.74 yuan vs. 152.86 yuan), rate of antibiotic use(34.39% vs. 25.47%) and unreasonable prescription rate (9.36% vs. 2.14%)of post intervention group were significantly lower than those of pre intervention group(P<0.05). Conclusion The prescription comment and targeted intervention can reduce the incidence of irrational drug use and promote rational drug use in clinic, which has important clinical value.

Objective To discuss the effect of Human Immunoglobulin for Intravenous Injection in the treatment of neonatal pneumonia treatment and intervention. Methods 100 cases of newborns in our hospital from July 2015 to 2016 to receive the treatment of infectious pneumonia patients, and were randomly divided into control group and observation group, 50 cases in each group. The control group used routine treatment, the observation group on the basis of intravenous immunoglobulin and take corresponding nursing measures. The treatment were compared between the two groups of the total efficiency of disappearance of hospitalization time and pulmonary rales and difficulty breathing time. Results In the control group than the treatment in the observation group the total efficiency significantly comparison between the two groups of children have statistical significance(P<0.05); disappeared in the observation group hospitalization time and pulmonary rales and dyspnea was significantly better on time According to the group, there were significant differences between the two groups have statistical significance(P<0.05). Conclusion The use of Human Immunoglobulin for Intravenous Injection on the treatment of neonatal pneumonia, can effectively promote the treatment efficiency, and is helpful to the patient's recovery, worthy of promotion in clinical use.