sICAM-1在牙周炎患者龈沟液中的含量

研究了牙周炎患者龈沟液可溶性细胞间粘附分子（ｓ Ｉ Ｃ Ａ Ｍ １）的含量⒚牙周炎患者 ２３ 例,４６ 个牙齿;正常对照２０ 例,２０ 个牙齿,用 Ｅ Ｌ Ｉ Ｓ Ａ 法检测牙周炎患者龈沟液ｓ Ｉ Ｃ Ａ Ｍ １ 的含量⒚正常对照龈沟液ｓ Ｉ Ｃ Ａ Ｍ １ 含量为（１４５．０１４±４３．７４５）ｎｇ／ｍ Ｌ ,男女间无显著性差异（ Ｐ＞ ０．０５）⒚牙周炎患者龈沟液ｓ Ｉ Ｃ Ａ Ｍ １ 的含量为（２５．３８９±８．４６１）ｎｇ／ｍ Ｌ,明显低于正常对照（ Ｐ＜ ０．０１）;一个牙齿３０ 秒龈沟液 ｓ Ｉ Ｃ Ａ Ｍ １ 总量,正常对照为（０．１７６４±０．０４３２）ｎｇ,牙周炎患者为（０．０８３０±０．０１９７）ｎｇ,二者之间有显著性差异（ Ｐ＜ ０．０１）⒚表明龈沟液ｓ Ｉ Ｃ Ａ Ｍ １ 含量的降低与牙周炎有关⒚     

财经类大学生Scl—90评定结果分析

应用症状自评量表（Ｓｃｌ－９０）对我院九六级新生进行问卷调查．结果发现Ｓｃｌ－９０各因子总均分为１．３６～１．７１．阳均分为２．２８～２．５３，阳性项目数为２７．９１～４０．３４，均高于国内正常青年组．心理问题较多的项目是强迫、人际敏感、偏执和敌对，其中达中等严重程度的占４．４％以上．财经类大学生的心理问题各因子分比例不尽相同，财政专业学生发生的心理异常现象显著多于其它专业（Ｐ＜０．０５或Ｐ＜０．０１）．     

黄芩甙的极谱研究

用单扫示波极谱法研究了黄芩甙的电化学特性．在０．０５ｍｏｌ／Ｌ柠檬酸钠＋０．２ｍｏｌ／ＬＨＣｌ底液中,黄芩甙于－１．１６Ｖ（Ｐ１）和－１．３４Ｖ（Ｐ２）（ｖｓ．ＳＣＥ）处产生两个二阶导数峰,前者为黄芩甙分子的还原波,后者为其一价阴离子的还原波,均为羰基的双电子还原波．利用峰Ｐ１可测定黄芩甙,线性范围为０．１６～０．６４ｍｇ／Ｌ和０．７２～２４ｍｇ／Ｌ,检测限为０．０８ｍｇ／Ｌ．将该法用于中药黄芩中黄芩甙的测定时,获得满意结果     

慢性肺心病患者血清TNF-α及IL-8改变及意义

探讨了慢性肺心病（ＣＰＨＤ）急性加重期及经治疗缓解后血清白细胞介素－８（ＩＬ－８）和肿瘤坏死因子－α（ＴＮＦ－α）水平的变化．用双抗体夹心ＥＬＩＳＡ法检测了３０例ＣＰＨＤ患者急性加重期及治疗缓解后血清ＩＬ－８和ＴＮＦ－α,并与相应年龄的健康对照组比较．结果发现ＣＰＨＤ患者急性加重期血清ＩＬ－８及ＴＮＦ－α水平显著高于正常对照组（Ｐ＜０．０５）,且治疗缓解后血清ＴＮＦ－α水平显著降低（Ｐ＜０．０５）,而血清ＩＬ－８水平则基本不变（Ｐ＞０．０５）．说明ＩＬ－８、ＴＮＦ－α参与了ＣＰＨＤ的发生和发展,这为探求治疗新途径提供了依据．     

急性脑血管意外30例脑电地形图与脑电图,CT对比分析

用脑电地形图（ＢＥＡＭ）技术观察了３０例急性脑血管意外患者．并同时进行了脑电图（ＥＥＧ）检查，其中２３例作了ＣＴ扫描．结果表明，ＢＥＡＭ对急性脑血管意外的阳性率、定侧率与ＥＥＧ比较均有显著差异（Ｐ＜０．０５）；与ＣＴ比较总阳性率无明显差异（Ｐ＞０．０５）；但三无内检查阳性率有显著差异（Ｐ＜０．０５）．     

人补体C4的RFLP与HLA分型之间关系的探讨

应用Ｓｏｕｔｈｅｒｎ印迹杂交法、高压琼脂糖凝胶电泳和标准的微量淋巴细胞毒试验对中国汉族人４４例正常无相关个体进行了Ｃ４基因限制性片段长度多态性（ＲＦＬＰ）、Ｃ４蛋白分型及ＨＬＡ－ＤＲ分型的测定，结果发现Ｃ４ＲＦＬＰ Ａ、Ｂ二种格局在Ｃ４Ｂ＊Ｑ０的表现型上有显著差异（Ｐ〈０．０５）；ＲＦＬＰ Ａ型格局与ＤＲ４相关（Ｐ〈０．０５）。     

80例非胰岛素依赖性糖尿病患者前臂尺,桡骨骨密度分析

用单光子吸收法（ＳＰＡ）对杭州市汉族５０岁以上的８０例非胰岛素依赖性糖尿病（ＮＩＤＤＭ）患者和年龄、性别与ＮＩＤＤＭ患者相配对的４３１名正常人的前臂尺、桡骨骨密度（ＢＭＤ）进行测定，发现女性轻中型和重型组、男性重型组ＮＩＤＤＩＭ患者的尺桡骨平均ＢＭＤ显著地低于正常人（Ｐ＜０．０１）；本组ＮＩＤＤＭ患者（男女合计）的一般性骨质疏松症（ＧＯＰ）和进行性骨质疏松症（ＰＯＰ）的发病率分别为６３．７５％和８．７５％，与正常人组相比较差异非常显著（Ｐ＜０．０１）；不同病程ＮＩＤＤＭ患者组别间尺桡骨平均ＢＭＤ的差异不显著（Ｐ＞０．０５），提示ＮＩＤＤＭ的病程与ＢＭＤ的相关程度不密切。     

牙周病患者唾液中一氧化氮含量的研究

通过检测牙周病患者唾液亚硝酸盐的含量来代表一氧化氮的含量,对１５例牙龈炎患者、１７例牙周炎患者和２７例正常对照唾液一氧化氮的含量进行了检测．结果表明,正常对照唾液一氧化氮的含量为２８．８０６±６．６０４μｍｏｌ／Ｌ,男女间无显著性差异（Ｐ＞０．０５）,牙龈炎和牙周炎患者唾液一氧化氮的含量分别为３４．３６５±７．１４８μｍｏｌ／Ｌ、５６．２１４±１３．５３７μｍｏｌ／Ｌ,均明显高于正常对照（Ｐ＜０．０２,Ｐ＜０．０１）,牙周炎患者唾液一氧化氮的含量明显高于牙龈炎（Ｐ＜０．０１）．提示唾液一氧化氮含量的变化与牙周病有密切关系．     

高原肺水肿肺泡灌洗液中体免疫物质的含量变化及其意义

对８例高原肺水肿肺泡灌洗液听的免疫球蛋白，补体，组胺与５－羟色胺含量进行了检测，并与８例移居西藏高原５ｄ的健康成人对比，高原肺水肿患者的肺泡灌洗液中ＩｇＧ，ＩｇＭ，Ｃ３，Ｃ４与组胺含量均显著增高（Ｐ〈０．０１），并见Ｃ５，Ｃ９增高（Ｐ〈０．０５）。高原肺水肿的发生与体液免疫反应密切相关，高原肺水肿可能为超敏反Ⅲ型疾病的局部表现。     

氧化物催化剂表面过剩氧与氧化活性

本文采用肼法测定了金属氧化物催化剂表面过剩氧的浓度，并考察了吡啶的氧化活性。催化剂的氧化活性与表面氧浓度成正比。氧化活性和表面氧浓度的顺序为：Ｃｕ－Ｏ／Ａｌ＿２Ｏ＿３＞Ｍｎ－Ｏ／Ａｌ＿２Ｏ＿３＞Ｃｒ－Ｏ／Ａｌ＿２Ｏ＿３＞Ｆｅ－Ｏ／Ａｌ＿２Ｏ＿３≥Ｃｏ－Ｏ／Ａｌ＿２Ｏ＿３＞Ｎｉ－Ｏ／Ａｌ＿２Ｏ＿３＞Ｃｅ－Ｏ／Ａｌ＿２Ｏ＿３．随着催化剂焙烧温度的提高，催化剂表面氧浓度和氧化活性均下降。Ｃｕ－Ｏ／ＳｉＯ＿２催化剂中添加ＣｅＯ＿２后，催化剂表面氧浓度和氧化活性均有明显提高，同时催化剂的热稳定性也明显增加。     

Investigation of Trace Elements in the Hair and Nail of Patients with Stomach Cancer

Trace metals are beneficial nutrient materials that act as essential cofactors in physiological processes. Recent evidence suggests that increase or decrease in certain trace metals may be related with risk and development of chronic diseases such as cancer. This study analyzed some trace elements level in hair and nail of patients with stomach cancer, and compared with their level in healthy controls. Trace elements (Cu, Fe, K, Li, Mg, Mn, Na, P, Se, Sr and Zn) are estimated in hair and nail of the 73 cancer patients and 83 controls by atomic absorption spectrophotometric method. The levels of Cu, K, Li, P and Se in hair and nail samples, were significantly higher in cases than controls. Levels of Mg and Sr were significantly lower in cases than controls. Fe level in hair samples was significantly higher in cases than controls. The mean concentrations of Fe, Se and P significantly increased with increasing cancer stage in the hair of patients. The average concentration of k also significantly increased with increasing cancer stage in the nail of patients. The results of our study show that there is an association between the increase in Cu, K, Li, P, Se and Fe, and stomach cancer development. Our results reveal that the increase in the trace elements could be a potential diagnostic marker to predict cancer progression and its etiology.     

胆囊结石病人头发中微量元素的观察

通过对胆囊结石病人及对照组头发中微量元素的检测,显示胆结石的主要构成元素Ca、Al、Fe及Si在病人组头发中含量显著低于对照组(P<0.05),Mn、Cu含量也比对照组低(P>0.05),仅Zn以胆结石组为高(P>0.05).     

根箱法解析大豆苗期根际养分分布及吸收特征

植物影响根际微生态系统特征。应用根箱法对2个大豆基因型的苗期养分（N、P、K、Ca、Mg、Fe、Mn、Zn和Cu）吸收及其在根际分布特征进行了研究。结果表明，高产基因型北丰11 对N、P、K、Ca、Mg、Mn、Zn和Cu的吸收量均显著高于低产基因型海9731，其单位根长、根表面积吸收N、P、Ca和Mg的量亦较高，其根系吸收活力较强。土壤有效养分在根际的分布趋势不同，有效N和Mn在0–4 mm范围内的含量高于非根际区（>10 mm），而P、K、Mg和Cu在根面区表现一定程度的亏缺。2个基因型间根际养分差含量异较大，除K和Fe外，其它营养元素在北丰11根面和近根面区的含量均不同程度地高于海9731。北丰11根际0–6 mm的范围内pH较低。     

蚕蛹在医学上的应用研究进展

蚕蛹化学成分复杂，蛋白质含量高，油脂含量也相当丰富，其中不饱和脂肪酸占油脂的70％以上，另外还有一定数量的多种微量元素（如K,Na,Ca,Mg,P,Fe,Mn,Zn,Cu等）及少量粗纤维，几丁质，维生素（如VB1，VB2，Vpp)等，是一种经济价值和开发价值较高的自然资源。蚕蛹的药理作用也相当广泛，有保护肝脏，促进生长，提高免疫力，降低血压和血糖，抗癌治癌等功效，是一种很好的药用材料。本文对几年来蚕蛹在医学领域中的开发利用情况作一概括介绍。     

家蚕雌蛾体中微量元素和脂肪酸的分析

分析了家蚕雌蛾体中微量元素和脂肪酸的含量,并对其质量进行了评价.家蚕雌蛾体富含微量元素,检测的10种常见微量元素的加和量和人体必需宏量元素含量分别为27339.30 mg/kg和26900.00 mg/kg,其中人体需要量较大的4种微量元素(锌、铁、铜和锰)含量高于重要中药资源昆虫芫菁科昆虫蛾体中的含量.并且适合于人体日需要量.家蚕雌蛾体含有丰富的不饱和脂肪酸,其中必需的n-3系列多不饱和脂肪酸亚麻酸含量最高(39.88%),是鸡蛋的40倍和牛奶的38倍,并高于亚油酸含量6.5倍.研究结果显示,家蚕雌蛾是开发保健食品和医药品的优质原料.     

城市表层土壤中重金属的小尺度空间分布——以首钢厂区附近小区域为例

以首钢厂区附近小区域为研究区,采样分析表层土壤Cd、Cu、Pb、Cr、Zn、Ni、Mn、Fe的含量.描述性统计表明:Cd、Pb、Zn、Cu含量受人类活动影响较大;Cd、Cu、Zn存在污染问题,Cd污染最为严重.进一步应用主成分分析、相关分析,并使用GIS工具进行地统计分析,发现8种金属可由3个中等空间自相关的主成分(PCs)反映:PC1包括了与交通及机动车辆关系密切的Cd、Cu、Pb、Cr、Zn;PC2包括了主要来源于首钢厂区的Cr、Mn、Fe;PC3仅有Ni,分布是随成土过程形成的.总体而言,研究区土壤重金属污染来源于交通和机动车辆,需密切关注其对环境的危害及人群的潜在健康风险.本研究对该区域土壤污染风险评价和土地利用规划等起到一定指导作用.     

杭州市居民区土壤重金属形态和酸可溶性研究

研究了杭州市50个居民小区土壤重金属元素(Cd、Co、Cr、Cu、Ni、Pb、Zn、Mn和Mo)的含量、形态和酸可溶性。结果表明，与农业土壤相比，该市居民区土壤中Cd、Cr、Cu、Ni、Pb、Zn、Mn和Mo均有不同程度的积累；除Cr、Mo外，居民区重金属的积累一般低于该市商业区；土壤重金属元素的积累量随居民区建成时间的增加而增加．居民区土壤中Cd、Co、Cr和Ni主要以稳定的残余态为主；而Cu、Pb、Zn和Mn则以可提取态为主。除Zn、Mn外，重金属的酸可提性组分均较低．土壤重金属的稀酸提取量主要与提取平衡液的pH有关，随pH下降而增加，但大部分土壤中酸可提取的重金属量较低，因此杭州市居民区土壤在正常条件下不会有较多的重金属释放。     

Study on Impact of Iron and Folic Acid on the Plasma Trace Minerals in Pregnant Anemic Women

Iron deficiency anemia is one of the causes that lead to significant mortality and morbidity among pregnant women and fetus. The present study was undertaken to explore oral iron supplementation can modify the metal contents in pregnant anemic women. Iron and folic acid supplementations was given to 500 anemic women (mild = 200, moderate = 200, and severe = 100) and 100 age matched non-anemic controls daily for 100 days. Blood index values and plasma trace minerals were estimated as per standard protocols. Haemoglobin and ferritin levels were found significantly increased (p < 0.001) in anemic and control subjects after treatment. Moreover, the serum transferring receptor levels and total iron binding capacity were found significantly decreased in all treated groups. Iron (Fe), zinc (Zn) and copper (Cu) levels were found increased (p < 0.01) after oral iron supplementation groups. Moreover, selenium (Se) manganese (Mn) and were found to be decreased in all treated groups. Data provides the conclusion that iron and folic acid supplementation recovered the essential trace minerals, except manganese, which may lead to various complications including peroxidation of vital body molecules resulting in increased risk for pregnant women as well as fetus.     

Oxidative stress and antioxidant status in cervical cancer patients

Cervical cancer (CaCx) is a global public health problem as it is the second most common cancer leading to the death of women worldwide. Many references revealed that the low levels of antioxidants induce the generation of free radicals leading to DNA damage and further mutations. In the present study attempt have been made to evaluate the levels of serum Lipid peroxide, Nitric Oxide (NO^.) Erythrocytic—Superoxide Dismutase (RBC-SOD), Vitamin-C, serum Copper (Cu) and serum Zinc (Zn). 120 patients were divided in 4 groups according to the increasing CaCx stages i.e. stage I, II, III & IV respectively. All the patients were around the age group of 25–65 years. 30 healthy women between the same age group were treated as controls. Highly significant increased values of MDA, NO^. and Cu were observed (p<0.001) whereas the activity of RBC-SOD, levels of Vitamin-C and Zn were significantly decreased in CaCx patients as compared with healthy controls (p<0.001). Cu/Zn ratio was found to be altered in CaCx patients. From our findings it can be concluded that the oxidative stress is induced among CaCx patients, which inturn increases the risk of CaCx.