河南省发现刘氏链蛇

2017年6月23日,在河南内乡开展两栖爬行动物调查采集,于伏牛山南坡的宝天曼国家级自然保护区 (111°53′1.76″E,33°29′9.58″N, 630m a.s.l.) 采集到1号游蛇科(Colubridae)链蛇属Lycodon标本,经鉴定为刘氏链蛇L. liuchengchaoi, 采集环境见图1。该物种是河南省爬行纲新纪录种(Zhang et al., 2011; Uetz et al.,2018)。标本整体用75%乙醇溶液固定,保存于河南大学生命科学学院标本室。     

湖南省雀形目鸟类新纪录3种

2010年7月26日,在湖南壶瓶山国家级自然保护区(以下简称壶瓶山保护区)南坪分局壶瓶山(110°47’25″E,30°06’44″N,海拔1 566 m)发现褐灰雀(Pyrrhula nipalensis)2只。2011年2月18日,在江坪分局石碾子沟(110°33’35″E,30°0’50″N,海拔439 m)再次发现褐灰雀9只(图1)。该鸟为中等体型的灰色雀,嘴绿灰色,嘴端黑色,眼先及     

湖南壶瓶山发现褐冠鹃隼

正2017年5月12日,在湖南壶瓶山国家级自然保护区长岭曹家垭(29°58′48.43″N,110°52′42.30″E,海拔661 m)拍摄到一只低空盘旋体型较大的猛禽。该鸟翅形圆,飞羽上具暗灰色和黑色横带,余部红褐色横纹与腹部相连,尾羽具3道宽阔的暗色横斑,经鉴定为褐冠鹃隼(Aviceda jerdoni)(图1)。经查阅相关文献(约翰·马敬能等2000,赵正阶2001,郑光美2011),确定为湖南省鸟类分布新记录种。     

湖南发现四川竹叶青蛇

2020年7月30日,在湖南壶瓶山国家级自然保护区石碾子沟（30°00′46″N,110°32′18″E,海拔615 m）采集到1号蛇类标本,经形态鉴定和分子系统关系比较,确定为四川竹叶青蛇（Trimeresurus sichuanensis）,为湖南省蛇类分布新记录种,该标本（CSUFTHPS2007080）存放于中南林业科技大学动物标本室。此次发现增补了四川竹叶青蛇的生物学信息,也表明该物种在武陵山脉及其延伸地区可能有着更为广泛的地理分布。建议进一步开展该物种种群生态学的研究,以便为该特有种种群和栖息地保护提供参考。     

湖南壶瓶山发现白喉针尾雨燕和乌嘴柳莺

正2013年9月13日,在湖南壶瓶山国家级自然保护区(以下简称壶瓶山保护区)壶瓶山主峰(30°06'53.2″N,110°47'14.7″E,海拔2 099 m),观察到2只白喉针尾雨燕(Hirundapus caudacutus)。2013年9月23日、24日,先后又在顶坪瞭望塔上(30°02'57.6″N,110°31'22.6″E,海拔1832 m)、神景洞碑垭(30°03'34.9″N,110°31'22.6″E,海拔1711 m)共观察到8只白喉针尾雨燕。白喉针尾雨燕在中国主要分布于黑龙江、吉林、辽宁、内蒙古、河北、青海、西藏、四川、贵州、云南以及台湾(赵     

贵州梵净山发现方花蛇

正2018年4月13日,在贵州省梵净山国家级自然保护区金顶景区(27°53′50″N,108°43′11″E,海拔1 153 m)采集到游蛇科(Colubridae)雌性成体标本1号(图1)。依据形态学特征鉴定为方花蛇(Archelaphe bella),标本(标本号GZULIN20180413)现存于贵州大学生物多样性与自然保护研究中心实验室。方花蛇在国外见于越南、缅甸(IUCN 2018);国内分布于湖南(梁启燊等1982)、福建及云南(赵尔宓等1998)、广西(蒋爱伍等2006)、     

贵州省发现福建颈斑蛇

正颈斑蛇属(Plagiopholis)辖4种,中国分布有3种,颈斑蛇(P.blakewayi)、缅甸颈斑蛇(P. nuchalis)及福建颈斑蛇(P. styani)(李德俊1986,赵尔宓2006,Zhong et al. 2015)。福建颈斑蛇是小型穴居无毒蛇,已知分布于安徽、福建、甘肃、广西、湖南、江西、四川、浙江(陈壁辉1991,赵尔宓2006)。2016年7月,在贵州省雷公山(108°5′～108°24′E,26°15′～26°32′N)采集到成体雄性蛇类标本1号(采集号:HS16154),经鉴定该标本为游蛇科(Colubridae)颈斑蛇属福建颈斑蛇(图1),为贵州省爬行动物分布新记录种。     

湖南省翼手目新记录———金黄鼠耳蝠

2016年8月27日,于湖南省衡东县四方山国有林场仙妃洞(113°3’23″E,26°58’25″N,海拔463 m)利用雾网采集到1号鼠耳蝠标本,经鉴定为金黄鼠耳蝠Myotis formosus,为湖南省翼手目Chiroptera新记录,标本保存于湖南师范大学脊椎动物标本馆(雄性,标本号:HUNNU16SF36)。本次发现补充和丰富了该物种在中国的分布范围(Jiang et al.,2010;郑锡奇等,2010;Csorba et al.,2014;Ruedi et al.,2015;党飞红等,2017)。     

陕西长青发现棕腹杜鹃和八声杜鹃

正2014年7月16日和2015年6月9日,先后在陕西洋县长青国家级自然保护区内(33°38′42.25″N,107°29′54.42″E,海拔1 199~1 319 m)分别发现并拍摄到两种杜鹃科鸟类。参考相关文献(约翰·马敬能等2000,赵正阶2001,Erritz?e et al.2012),鉴定为棕腹杜鹃(Cuculus nisicolor)和八声杜鹃(Cacomantis merulinus)(图1)。两种杜鹃均为陕西省首次记录(郑光美2011)。棕腹杜鹃为亚成鸟,生境为靠近溪流的落叶阔叶林,林下为巴山木竹林(Arundinaria fargesii)。其头顶、颈     

福建省爬行类新记录——角原矛头蝮

正2020年9月19日17∶00左右(天气晴朗,气温28℃),于福建省福州市福清市一都镇(119°15'19″E,25°48'12″N)发现2号蛇类成体(1雌1雄)(图1)。经形态鉴定,确定为蝰科Viperidae原矛头属Protobothrops角原矛头蝮P. cornutus (Smith,1930)(Smith,1930; David et al.,2008),为福建省蛇类分布新记录种。     

Crystal structure, detonation performance, and thermal stability of a new polynitro cage compound: 2, 4, 6, 8, 10, 12, 13, 14, 15-nonanitro-2, 4, 6, 8, 10, 12, 13, 14, 15-nonaazaheptacyclo [5.5.1.13, 11. 15, 9] pentadecane

A new polynitro cage compound 2, 4, 6, 8, 10, 12, 13, 14, 15-nonanitro-2, 4, 6, 8, 10, 12, 13, 14, 15-nonaazaheptcyclo [5.5.1.1(3,11).1(5,9)] pentadecane (NNNAHP) was designed in the present work. Its molecular structure was optimized at the B3LYP/6-31 G(d,p) level of density functional theory (DFT) and crystal structure was predicted using the Compass and Dreiding force fields and refined by DFT GGA-RPBE method. The obtained crystal structure of NNNAHP belongs to the P-1 space group and the lattice parameters are a = 9.99 ?, b = 10.78 ?, c = 9.99 ?, α = 90.01°, β = 120.01°, γ = 90.00°, and Z = 2, respectively. Based on the optimized crystal structure, the band gap, density of state, thermodynamic properties, infrared spectrum, strain energy, detonation characteristics, and thermal stability were predicted. Calculation results show that NNNAHP has detonation properties close to those of CL-20 and is a high energy density compound with moderate stability.     

Relations of the Al,B, Ba,Br, Ca,Cl, Cu,Fe, K,Li, Mg,Mn, Na,P, S,Si, Sr,and Zn mass fractions to morphometric parameters in pediatric and nonhyperplastic young adult prostate glands

The variation with age of the 18 trace element mass fractions and some histological characteristics of intact prostate glands of 50 subjects aged 0–30 years was investigated by instrumental neutron activation analysis, inductively coupled plasma atomic emission spectrometry, and a quantitative morphometric analysis. Mean values ± standard error of the mean (M ± SΕΜ) for the mass fractions (in milligrams per kilogram wet tissue) of these trace elements in pre-puberty were: Al 28.5 ± 9.0, B 0.40 ± 0.11, Ba 1.48 ± 0.44, Br 10.5 ± 1.5, Ca 241 ± 30, Cl 3,203 ± 278, Cu 3.51 ± 0.89, Fe 33.7 ± 4.1, K 2,364 ± 145, Li 0.020 ± 0.004, Mg 153 ± 23, Mn 0.46 ± 0.06, Na 2,286 ± 130, P 1,391 ± 100, S 1,698 ± 132, Si 62 ± 11, Sr 0.38 ± 0.08, and Zn 27.6 ± 2.3. During puberty and postpuberty, when there is a significant increase in circulating androgens, the mean values were: Al 7.2 ± 1.4, B 0.21 ± 0.05, Ba 0.25 ± 0.06, Br 5.8 ± 1.0, Ca 433 ± 81, Cl 2,314 ± 201, Cu 1.77 ± 0.13, Fe 20.9 ± 1.6, K 2,585 ± 118, Li 0.0088 ± 0.0014, Mg 232 ± 27, Mn 0.34 ± 0.04, Na 1,875 ± 107, P 1,403 ± 98, S 1,673 ± 73, Si 22.2 ± 3.1, Sr 0.22 ± 0.03, and Zn 93.3 ± 8.9. Mean values (M ± SΕΜ) of percent volumes (%) of the stroma, epithelium and lumen in the prostate before puberty were 73.4 ± 2.6, 20.4 ± 1.7, and 4.45 ± 0.94, respectively, versus 46.5 ± 2.5, 38.5 ± 1.9, and 14.9 ± 1.2 during puberty and postpuberty. This work’s results confirm that the Zn mass fraction in prostate tissue is an androgen-dependent parameter. For the first time it has been demonstrated that the glandular lumen is a main pool of Ca, Mg, and Zn accumulation and that the stroma is a main pool of Al, B, Ba, Br, Cl, Cu, Fe, Mn, Na, and Si accumulation in the normal human prostate, for the age range 0–30 years. It was concluded that the Ca, Mg, and Zn binds tightly within the prostatic fluid, because the volume of glandular lumen reflects the volume of prostatic fluid.     

The Effect of Age and Gender on Al, B, Ba, Ca, Cu, Fe, K, Li, Mg, Mn, Na, P, S, Sr, V, and Zn Contents in Rib Bone of Healthy Humans

The effect of age and gender on major, minor, and trace element contents in the intact rib bone of 80 relatively healthy 15–55-year-old women and men was investigated. Contents or upper limit of contents of 16 chemical elements in the rib bone were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES). Mean values (M?±?SΕΜ) for the mass fraction of Ba, Ca, Cu, Fe, K, Li, Mg, Na, P, S, Sr, and Zn (milligram per kilogram of dry bone) were as follows: 2.54?±?0.16, 171,400?±?4,050, 1.35?±?0.22, 140?±?11, 1,874?±?71, 0.049?±?0.011, 2,139?±?38, 5,378?±?88, 75,140?±?1,660, 1,881?±?51, 291?±?20, and 92.8?±?1.5, respectively. The upper limits of contents of Al, B, Mn, and V were <7.20, <0.65, <0.36, and <0.03, respectively. Statistically significant tendency for the Ca, Mg, and P content to decrease with age was found in the human rib bone, regardless of gender. The mass fraction of Fe in the male rib bone increases with age. It was shown that higher Ca, Mg, Na, P, and Sr mass fractions as well as lower Fe content were typical of female ribs as compared to those in male ribs.     

Simultaneous measurement of the trace elements Al, As, B, Be, Cd, Co, Cu, Fe, Li, Mn, Mo, Ni, Rb, Se, Sr, and Zn in human serum and their reference ranges by ICP-MS

The goal of this article was to establish reference ranges of the concentration of trace elements in human serum and to compare these results with those reported by other authors. We describe the sample preparation and measurement conditions that allow the rapid, precise, and accurate determination of Al, As, B, Be, Cd, Co, Cu, Fe, Li, Mn, Mo, Ni, Rb, Se, Sr, and Zn in human serum samples (n=110) by inductively coupled plasma-mass spectrometry (ICP-MS). Accuracy and precision were determined by analyzing three reconstituted reference serum samples by comparison with other methods and by the standard addition procedure. The advantages of the ICP-MS method include short time of analysis of the elements mentioned, low detection limit, high precision, and high accuracy. Disadventages include a high risk of contamination due to the presence of some of the elements of interest in the environment, the relatively delicate sample handling, and the high cost of the equipment.     

Distribution of N,P, K,Ca, Mg,S, Zn,Fe, Mn and Cu in groundnut

Summary Concentration of N, P, K, Ca, Mg and S in summer groundnut crop was higher than in kharif while Zn, Fe, Mn and Cu contents were higher in summer crop. Kernel's N, P and Zn; Leaflet's Ca and Mn; Stem's K and Fe; Root's S and Cu and Petiole's Mg contents were highest. Shell's N, P, K, Mg, S, Zn and Cu; Kernel's Ca, Fe and Mn contents were the least. N, P, K, S, Zn and Cu concentrations decreased linearly as the crop grew. Ca, Mg, Fe and Mn concentrations did not display any distinct pattern. Ca concentration was positively correlated with pod yield in both the seasons.     

New Coleoptera records from New Brunswick, Canada: Stenotrachelidae, Oedemeridae, Meloidae, Myceteridae, Boridae, Pythidae, Pyrochroidae, Anthicidae, and Aderidae

We report 19 new species records for the faunal list of Coleoptera in New Brunswick, Canada, six of which are new records for the Maritime provinces, and one of which is new Canadian record. We also provide the first recent records for five additional species in New Brunswick. One new species of Stenotrachelidae, Cephaloon ungulare LeConte, is added to the New Brunswick faunal list. Additional records are provided for Cephaloon lepturides Newman, as well the first recent record of Nematoplus collaris LeConte. Two species of Oedemeridae, Asclera puncticollis (Say) and Asclera ruficollis (Say), are newly reported for New Brunswick, and additional locality and bionomic data are provided for Calopus angustus LeConte and Ditylus caeruleus (Randall). The records of Ditylus caerulus are the first recent records for the province. Three species of Meloidae, Epicauta pestifera Werner, Lytta sayi LeConte, and Meloe augustcollis Say are reported the first time for New Brunswick; Epicauta pestifera is newly recorded in Canada. Lacconotus punctatus LeConte and the family Mycteridaeis newly recorded for New Brunswick. The first recent records of Borus unicolor Say (Boridae) are reported from the province. One new species of Pythidae, Pytho siedlitzi Blair, and the first recent records of Pytho niger Kirby are added to the faunal list of New Brunswick. Three species of Pyrochroidae are newly reported for the province, including Pedilus canaliculatus (LeConte) and Pedilus elegans (Hentz), which are new for the Maritime provinces. Five species of Anthicidae and the first recent record of Anthicus cervinus LaFerté-Sénectére are newly reported for New Brunswick. Anthicus melancholicus LaFerté-Sénectère, Sapintus pubescens (LaFerté-Sénectère), Notoxus bifasciatus (LeConte), and Stereopalpus rufipes Casey are new to the Maritime provinces faunal list. Ambyderus granularis (LeConte) is removed from the faunal list of the province. Three species of Aderidae, Vanonus huronicus Casey, Zonantes fasciatus (Melsheimer), and Zonantes pallidusWerner, are newly recorded for New Brunswick; Zonantes fasciatus and Vanonus huronicus are new for the Maritime provinces' faunal list. Collection data, bionomic data, and distribution maps are presented for all these species.     

Potential Compounds for Oral Cancer Treatment: Resveratrol,Nimbolide, Lovastatin,Bortezomib, Vorinostat,Berberine, Pterostilbene,Deguelin, Andrographolide,and Colchicine

Oral cancer is one of the main causes of cancer-related deaths in South-Asian countries. There are very limited treatment options available for oral cancer. Research endeavors focused on discovery and development of novel therapies for oral cancer, is necessary to control the ever rising oral cancer related mortalities. We mined the large pool of compounds from the publicly available compound databases, to identify potential therapeutic compounds for oral cancer. Over 84 million compounds were screened for the possible anti-cancer activity by custom build SVM classifier. The molecular targets of the predicted anti-cancer compounds were mined from reliable sources like experimental bioassays studies associated with the compound, and from protein-compound interaction databases. Therapeutic compounds from DrugBank, and a list of natural anti-cancer compounds derived from literature mining of published studies, were used for building partial least squares regression model. The regression model thus built, was used for the estimation of oral cancer specific weights based on the molecular targets. These weights were used to compute scores for screening the predicted anti-cancer compounds for their potential to treat oral cancer. The list of potential compounds was annotated with corresponding physicochemical properties, cancer specific bioactivity evidences, and literature evidences. In all, 288 compounds with the potential to treat oral cancer were identified in the current study. The majority of the compounds in this list are natural products, which are well-tolerated and have minimal side-effects compared to the synthetic counterparts. Some of the potential therapeutic compounds identified in the current study are resveratrol, nimbolide, lovastatin, bortezomib, vorinostat, berberine, pterostilbene, deguelin, andrographolide, and colchicine.     

Reference values for the concentrations of As,Cd, Co,Cr, Cu,Fe, I,Hg, Mn,Mo, Ni,Pb, Se,and Zn in selected human tissues and body fluids

This report attempts to formulate reference ranges of elemental concentrations for 15 trace elements in selected human tissues and body fluids. A set of samples consisting of whole blood, blood serum, urine, milk, liver, and hair were chosen and considered for 15 elements of biological significance: As, Cd, Co, Cr, Cu, F, Fe, I, Hg, Mn, Mo, Ni, Pb, Se, and Zn. The results represent wholly or partially data received from 40 countries of the global regions of Africa, Asia, Europe, North, South, and Central America, Australia, and New Zealand. This survey, even if qualitative, has been useful in demonstrating certain trends of trace-element scenarios around the world. It is of course recognized that both diet and environment exert a strong influence on the distribution pattern of several elements, such as As, Cd, Mn, Pb, Se, and Zn. A limited comparison of the available information on soil status of different countries reflected some interesting associations for elements, such as Mn and Zn. Importantly, this study revealed that only a few countries were in a position to identify a reasonable amount of data on samples requested for this project. Regretably, for a number of countries, any dependable data for even such essential elements as Cu, Fe, and Zn were not available. In view of the nutritional importance of many elements, the time is ripe for concerted efforts by intergovernmental agencies to initiate investigations or commission task forces/projects to generate reliable reference data for selected global regions, which sadly lack data of any kind at present.