In this paper, LM35 tempeture sensor is tested and shows good linear characteristics between 30 ℃ and 60 ℃, which provides a theoretical basis for making digital thermometer. A/D converting chip and 89c51 single chip micro -processor are employed in this digital body thermometer based on LM35. It possesses such advantages as low cost, high accuracy and excellent stability.

Idiopathic macular hole (IMH) refers to full thickness defects of retina in macular area with no clear reasons.The management of IMH includes vitrectomy combined with internal limiting membrane (ILM) peeling and pharmacological vitreolysis.But ILM peeling may damage the inner retina;novel techniques,such as inverted ILM flap technique and foveola non-peeling ILM surgery,autologous ILM transplantation had made the method of ILM peeling more diversified with less damage.Pharmacological vitreolysis targeting fibronectin and laminin is considered to work in a two-step mechanism,involving both vitreoretinal separation and vitreous liquefaction.Furthermore,IMH judgment and prognosis indicators like ellipsoid zone,macular hole index,hole formation factor,diameter hole index and tractional hole index based on spectral domain optical coherence tomography enriched the assessment of macular hole diameter,depth and shape.How to make full use of new interventions to reduce the incidence of macular hole and obtain a better visual acuity with closed holes is an important direction for future research.

Objective To study the mechanism of the extract of three kinds of Chinese herbs in treating psoriasis.Methods Three kinds of Chinese herbs(coptis root,patience dock root and atratylodes rhizome) were extracted.With the culture of human transformed keratinocyte cell line colo-16 cells as a model,the single and compound effects on the growth of KC were studied before and after stimulated by TNF-?.Results The single and compound extract of three Chinese herbs could restrain the proliferation of KC before and after stimulated by TNF-?.The effect was more remarkable than the compared methotrexate and cyclosporin A(P

The hepatocyte growth factor ( HGF) is a multifunctional growth factor, which produces multiple biological effects by binding to the c-Met acceptor. This article reviews the biological properties of HGF, particularly those correlated with male reproduction, including its abilities to promote testis embryonic development, spermatogenesis, and testosterone synthesis of Leydig cells. HGF may provide a new insight into the treatment of male hypogonadism and infertility.
Embryonic Development ; Hepatocyte Growth Factor ; physiology ; Humans ; Leydig Cells ; metabolism ; Male ; Proto-Oncogene Proteins c-met ; metabolism ; Reproduction ; physiology ; Spermatogenesis ; physiology ; Testis ; embryology ; Testosterone ; biosynthesis

The academic thoughts of Lingnan acupuncture and moxibustion have been an essential part of Lingnan medicine. By exploration and arrangement of Lingnan medicine and books, journals and literatures regarding acupuncture and moxibustion, the ancient and modern acupuncturists and their academic contributions in Lingnan area were reviewed. As a result, the number of Lingnan acupuncturists and their works was low before Qing Dynasty, while from the Republic of China era to People's Republic of China, a considerable amount of acupuncturists emerged with quite a lot of works. By exploration and arrangement of Lingnan acupuncturists and their works and academic opinion, the acupuncture-moxibustion school characterized by Lingnan could be formed and developed.
Acupuncture ; education ; history ; manpower ; Acupuncture Therapy ; history ; China ; History, 17th Century ; History, 18th Century ; History, 19th Century ; History, 20th Century ; Humans ; Moxibustion ; history ; Physicians ; history

Gastrointestinal Neoplasms ; pathology ; Humans ; Neoplasm Recurrence, Local ; surgery ; Postoperative Period

Apoptosis ; Female ; Gardening ; Humans ; Leukocytes ; drug effects ; pathology ; Male ; Occupational Exposure ; adverse effects ; Pesticides ; adverse effects

Objective To analyze the feasibility, safety, and technique of laparoscopic myomectomy in patients with large hysteromyoma. Methods A total of 82 hysteromyoma patients with the uterus larger than 14-week gestational size were treated by laparoscopic myomectomy. The outcome of the operation were compared with that in 182 hysteromyoma cases with the uterus smaller than 14-week gestational size. Results In the 82 patients with the uterus larger than 14-week gestational size, 77 were treated successfully by laparoscopy, in which pneumoperitoneum was used in 68 cases and gasless laparoscopy in the other 9. One of the cases converted to open surgery, and small abdominal incision was made in 4 patients. Compared with the patients with the uterus smaller than 14-week gestational size, the 77 patients who had been successfully by laparoscopy had longer operation time [(157.6?89.7) min vs (35.3?26.2) min, t=16.926, P=0.000] and more blood loss [(218.0?108.2)ml vs (108.5?67.5)ml,t=9.904,P=0.000]. Conclusions Myomectomy can be performed under a laparoscope for patients with the uterus larger than 14-week gestational size. Highly skilled technique is important for the surgery.!Gasless laparoscopy is applicable to myomectomy for patients with the uterus smaller than 16-week gestational size.

Objective To develop a high performance liquid chromatography method for the determination of methylisothiazolinones and chloro-methylisothiazolinoe in cosmetics. Methods The cosmetic samples were extracted with methanol. The analytes were separated with the mobile phase of V(Methanol)∶V(Water)= 25∶75 at the flow rate of 1.0 ml/min and detected at the wavelength of 276 nm. Results The linear range of the method was 0.05-100 mg/ml for methylisothiazolinone and 0.0125-25 mg/ml for chloro-methylisothiazolinoe. The limit of detection of methylisothiazolinone and chloro-methylisothiazolinoe were 0.08 and 0.2 ?g respectively. The recovery rates were 84.5%-93.9% with the RSD of 2.5%-9.4% (n=6) for methylisothiazolinone and 88.3%-92.9% with the RSD of 2.9%-5.8% (n=6) for chloro-methylisothiazolinoe. Conclusion The method is simple,rapid,accurate and is suitable for the determination of methylisothiazolinone and chloro-methylisothiazolinoe in cosmetics.

Objective To detect the expression of inhibitor of apoptosis protein survivin and mdr1 gene protein P-gp in ovarian epithelial carcinoma,and analyze their functions of drug resistance in chemotherapy and the relationship with pathological characteristics.Methods We detected the expression of survivin and mdr1 proteins in 8 cases of normal ovarian tissues,16 cases of benign epithelial ovarian tumor tissues and 46 cases of epithelial ovarian cancerous tissues(28 cases of serous cystadenocarcinoma,12 cases of mucinous cystadenocarcinoma,and 6 cases of endometrioid carcinoma) with immunohistochemistry.Results The positive rate of survivin and mdr1 proteins in ovarian cancerous tissues was 60.9% and 34.8%,respectively,which was significantly higher than that in benign epithelial ovarian tumor tissues(31.3% and 0%) and normal ovarian tissues(negative)(P