Radio – Ulnar Weight Index — is it a Useful Criterion for Sex Identification of the Human Skeleton?

Sex identification of human long bones has been studied by several investigators. Measurements of the radius and the ulna have also been reported as an indicator of sex by reference to separate parameters and/or to combinations of the parameters of a single bone. This study was designed to determine whether the radius and the ulna can provide reliable information for the sexing of human bones, as can the lower leg bones, if the forearm measurements include the weight index of the two bones as a parameter. The materials consisted of the dried radii and ulnae of 20 recently deceased Japanese males and 20 similar females. Almost all the dimensions exhibited statistically significant sex differences. The radio–ulnar weight index did not, however, differ between the sexes. In discriminant analysis, the rate of correct sex discrimination based on distances between various pairs of points was not improved by the inclusion of the radio–ulnar weight index. Therefore, the radio–ulnar weight index cannot be recommended as a parameter for the sexing of human bones.     

棉类纺织品文物霉变菌株的分离与鉴定

纺织品文物霉变研究在纺织品文物保护、修复、贮藏中占重要地位。为了确定馆藏棉类纺织品文物霉变微生物的种类,了解棉织物纺织品文物真菌病害特点,本研究采用PDA培养基对棉类纺织品文物上霉变部位提取微生物进行分离纯化,对纯化后的霉菌进行18S rDNA-ITS序列分析,通过比较NCBI核酸序列数据库序列同源性构建发育树。最终分离纯化共得到6株霉菌,测序结果鉴定为青霉属、交链孢霉属、曲霉属、镰刀属,该四种霉属可能是棉类纺织类文物的致霉优势霉属。利用形态学方法结合分子生物学手段对棉类纺织品文物霉变微生物进行分离鉴定,确保获取结果更加快速和精准,结合当前博物馆对纺织品文物的保护现状,提出棉类纺织品文物综合保护措施,为此类文物的防霉工作以及抗霉材料的开发提供理论依据。