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雷尼钴

产品编号 R111436 | CAS号 7440-48-4 | 阿拉丁
Raney®-cobalt
50μm
组合的产品项目
货号 规格 库存 价格 数量
R111436-250g 50μm 上海(预计3-7周)
北方(预计3-7周)
 
R111436-50g 50μm 上海(>10)
北方(7)
 
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属性

敏感性 对光敏感
密度 8.9000
沸点 2900°C
存贮条件 密封,冷暗处避光保存。

描述

产品介绍 呈灰色不规则状粉末,硬而有延展性。能逐渐溶于稀盐酸和硫酸,易溶于硝酸。 沸点:2900 °C 密度:8.9
别名 雷尼钴;
应用 用于制超硬耐热合金和磁性合金、钴化合物、催化剂、电灯丝和瓷器釉料。钴60用于物体内部探测、医疗及示踪物等。
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标识符号 GHS08 GHS08
信号词 Danger
风险声明 (欧洲) R53;R42/43
安全声明(欧洲) S22;S24;S37;S61
警示性声明 P261,P280,P342+P311
危害码(欧洲) Xn
危害声明 H317,H334,H413
个人防护设备 dust mask type N95 (US),Eyeshields,Faceshields,Gloves
RTECS GF8750000
WGK德国 nwg
参考文献
O M Vasyliv, S O Hnatush
Superoxide dismutase, as one of the enzymes of cells' antioxidant defensive system, catalyzes superoxide anion-radical (O2-) dismutation with O2 and H2O2 forming. The influence of such transition...Read More
A N Fonteh, R J Harrington, A Tsai, P Liao, M G Harrington
Our aim was to determine changes in free amino acid (FAA) and dipeptide (DP) concentrations in probable Alzheimer's disease (pAD) subjects compared with control (CT) subjects using liquid chromat...Read More
M A MA Lovell, W R WR Markesbery
Markers of oxidative stress are increased in cerebrospinal fluid (CSF) of patients with Alzheimer disease (AD), although none of those reported are appropriate diagnostic markers because of the overla...Read More
M L Selley, D R Close, S E Stern
There is evidence that increased blood concentrations of homocysteine may be a risk factor for Alzheimer's disease. (E)-4-hydroxy-2-nonenal (HNE) is a neurotoxic product of lipid peroxidation tha...Read More
J A JA Molina, F J FJ Jiménez-Jiménez, A A Hernánz, E E Fernández-Vivancos, S S Medina, F F de Bustos, C C Gómez-Escalonilla, Y Y Sayed
Thiamine is an essential cofactor for several important enzymes involved in brain oxidative metabolism, such as the alpha-ketoglutarate dehydrogenase complex (KGDHC), pyruvate-dehydrogenase complex (P...Read More
Takashi T Abe, Hideo H Tohgi, Chiaki C Isobe, Takahiko T Murata, Chigumi C Sato
To investigate the possible role of oxidative RNA damage in the pathogenesis of Alzheimer's disease (AD), the concentrations of the oxidative stress marker 8-hydroxyguanosine (8-OHG) were measure...Read More
K J B?r, S Franke, B Wenda, S Müller, R Kientsch-Engel, G Stein, H Sauer
Increasing evidence suggests an interaction of oxidative stress and the formation of advanced glycation end products (AGE) in the onset and progression of Alzheimer's disease. We studied levels o...Read More
S S Engelborghs, B B Marescau, P P PP De Deyn
To study changes in amino acid metabolism and biogenic amines in Parkinson's disease, we set up a prospective study and measured biogenic amines, their main metabolites, and 22 different amino ac...Read More
Chuanyu Sun, Yong Liu, Weihong Ding, Yuancheng Gou, Ke Xu, Guowei Xia, Qiang Ding
Owing to their great potentialities of carbon nanotubes (CNTs)-based magnetic nano-composites, numerous applications of them have been found in nanotechnology, integrated functional system, and in med...Read More
Myoung Hwan Oh, Taekyung Yu, Seung-Ho Yu, Byungkwon Lim, Kyung-Tae Ko, Marc-Georg Willinger, Dong-Hwa Seo, Byung Hyo Kim, Min Gee Cho, Jae-Hoon Park, Kisuk Kang, Yung-Eun Sung, Nicola Pinna, Taeghwan Hyeon
Galvanic replacement reactions provide a simple and versatile route for producing hollow nanostructures with controllable pore structures and compositions. However, these reactions have previously bee...Read More
Beatrice B Bocca, Giovanni G Forte, Francesco F Petrucci, Anna A Pino, Francesca F Marchione, Giuseppe G Bomboi, Oreste O Senofonte, Franco F Giubilei, Alessandro A Alimonti
The haematic concentration of 26 metals and the oxidative damage in 60 patients (20 males and 40 females) affected by Alzheimer's disease and 44 healthy individuals (33 males and 11 females) were...Read More
M A MA Raskind, E R ER Peskind, C C Holmes, D S DS Goldstein
High cerebrospinal fluid (CSF) norepinephrine (NE) concentrations in aging and Alzheimer's disease (AD) could reflect decreased NE clearance from central nervous system (CNS) extracellular fluid ...Read More
Jian-ping Jia, Jian-min Jia, Wei-dong Zhou, Min Xu, Chang-biao Chu, Xin Yan, Yong-xin Sun
An important aspect of Alzheimer's disease (AD) is loss or impairment of cholinergic neurons. It is controversial whether there is a similar cholinergic impairment and cerebral deficit of acetylc...Read More
H U HU Shetty, H W HW Holloway, M B MB Schapiro
Previous studies suggest the presence of increased concentrations of cerebral myo-inositol in Alzheimer disease (AD). To characterize this abnormality further, we quantified myo-inositol and several o...Read More
M O MO Kristensen, N C NC Gulmann, J E JE Christensen, K K Ostergaard, K K Rasmussen
The cobalamin status was evaluated in Alzheimer dementia (n = 26), other dementias (n = 24), various gerontopsychiatric disorders (n = 25), and in neuro-psychiatrically healthy controls (n = 20). Supp...Read More
Anna Walter, Ulrike Korth, Michael Hilgert, Joachim Hartmann, Oksana Weichel, Marion Hilgert, Klaus Fassbender, Andrea Schmitt, Jochen Klein
Experimental and clinical studies give evidence for breakdown of membrane phospholipids during neurodegeneration. In the present study, we measured the levels of glycerophosphocholine (GPCh), phosphoc...Read More
Giovanni Forte, Andrea Visconti, Simone Santucci, Anna Ghazaryan, Lorenzo Figà-Talamanca, Stefania Cannoni, Beatrice Bocca, Anna Pino, Nicola Violante, Alessandro Alimonti, Marco Salvetti, Giovanni Ristori
Although some studies suggested a link between exposure to trace elements and development of multiple sclerosis (MS), clear information on their role in the aetiology of MS is still lacking. In this s...Read More
C C Syburra, S S Passi
It is well known that brain and nervous system cells are prone to oxidative damage because of their relatively low content of antioxidants, especially enzymatic ones, and of the high levels of both me...Read More
G G Toncev, B B Milicic, S S Toncev, G G Samardzic
Several findings suggest lower levels of serum uric acid in multiple sclerosis (MS) patients. The aim of this study is to investigate relationships of uric acid serum levels in relapse-remitting (RR) ...Read More
V V Calabrese, G G Scapagnini, A A Ravagna, R R Bella, D A DA Butterfield, M M Calvani, G G Pennisi, A M AM Giuffrida Stella
Recent studies suggest that NO and its reactive derivative peroxynitrite are implicated in the pathogenesis of multiple sclerosis (MS). Patients dying with MS demonstrate increased astrocytic inducibl...Read More
Giovanni G Forte, Alessandro A Alimonti, Anna A Pino, Paolo P Stanzione, Sonia S Brescianini, Livia L Brusa, Giuseppe G Sancesario, Nicola N Violante, Beatrice B Bocca
Twenty-six metals and the oxidative status in 71 patients affected by Parkinson's disease and 44 healthy individuals were compared in order to identify potential biomarkers of the disease. In the...Read More
R Shukla, M Rajani, N Srivastava, M K Barthwal, M Dikshit
Evidence from clinical and experimental studies supports the hypothesis of free radical-mediated damage of dopaminergic neurons in the pathology of Parkin's disease (PD). The present study was un...Read More
M Naoi, W Maruyama
Dopamine neurons in the substantia nigra of human brain are selectively vulnerable and the number decline by aging at 5-10% per decade. Enzymatic and non-enzymatic oxidation of dopamine generates reac...Read More
P A PA LeWitt, M P MP Galloway, W W Matson, P P Milbury, M M McDermott, D K DK Srivastava, D D Oakes
We used two analytic methods (a multichannel coulometric electrode array with high-performance liquid chromatography, and gas chromatography-mass spectrophotometry) to measure CSF dopamine (DA) and it...Read More
Takashi T Abe, Chiaki C Isobe, Takahiko T Murata, Chigumi C Sato, Hideo H Tohgi
In order to investigate the possible role of oxidative RNA damage in the pathogenesis of Parkinson's disease (PD), the concentrations of the oxidative stress marker 8-hydroxyguanosine (8-OHG) wer...Read More
Wen Zhang, Yunfeng Xie, Jing Gu, Shiyun Ai, Jian Wang, Katsunobu Yamamoto, Litong Jin
The fabrication and application of a novel electrochemical detector (ED) with nano crystalline Ce-doped lead dioxide film chemically modified electrode (CME) for liquid chromatography (LC) were descri...Read More
Y Y Kotake, Y Y Tasaki, Y Y Makino, S S Ohta, M M Hirobe
1-Benzyl-1,2,3,4-tetrahydroisoquinoline (1BnTIQ) was detected as a novel endogenous amine in mouse brain and parkinsonian CSF by using the gas chromatography-selected ion-monitoring method. The level ...Read More
D A DA Loeffler, P A PA LeWitt, A J AJ DeMaggio, P L PL Juneau, P E PE Milbury, W R WR Matson
Though depletion of CSF homovanillic acid (HVA) concentration has often been regarded as a direct indicator of dopamine (DA) deficiency in Parkinson's Disease (PD), CSF HVA is normal in mildly af...Read More
Johannes Levin, Kai B?tzel, Armin Giese, Michael Vogeser, Stefan Lorenzl
Increasing evidence suggests that elevated levels of homocysteine (Hcy) and methylmalonate (MMA) may be involved in the pathogenesis of neurodegenerative diseases....Read More
E J EJ Pappert, C C CC Tangney, C G CG Goetz, Z D ZD Ling, J W JW Lipton, G T GT Stebbins, P M PM Carvey
To determine if ventricular cerebrospinal fluid (vCSF) alpha-tocopherol levels in Parkinson's disease (PD) patients can be increased by oral alpha-tocopherol supplementation and whether vCSF leve...Read More
Valerio V Leoni, Thomas T Masterman, Fariba S FS Mousavi, Bengt B Wretlind, Lars-Olof LO Wahlund, Ulf U Diczfalusy, Jan J Hillert, Ingemar I Bj?rkhem
24S-Hydroxycholesterol (24OHC) and 27-hydroxycholesterol (27OHC) are two structurally similar oxysterols of different origins--the former almost exclusively formed in the brain and the latter formed t...Read More
Rima R Obeid, Mariz M Kasoha, Jean-Pierre JP Knapp, Panagiotis P Kostopoulos, George G Becker, Klaus K Fassbender, Wolfgang W Herrmann
Increased plasma total homocysteine (tHcy) is a risk factor for neurological diseases, but the underlying pathophysiology has not been adequately explained....Read More
Norbert W Lutz, Angèle Viola, Irina Malikova, Sylviane Confort-Gouny, Bertrand Audoin, Jean-Philippe Ranjeva, Jean Pelletier, Patrick J Cozzone
Multiple sclerosis (MS), an inflammatory disease of the central nervous system, manifests itself in numerous forms and stages. A number of brain metabolic alterations have been reported for MS patient...Read More
C E CE Shaw, P R PR Dunbar, H A HA Macaulay, T J TJ Neale
Magnetic resonance imaging of multiple sclerosis (MS) patients often shows active inflammatory lesions despite clinical remission. No immunological marker of disease activity has been identified in th...Read More
Felix A Westerhaus, Rajenahally V Jagadeesh, Gerrit Wienh?fer, Marga-Martina Pohl, J?rg Radnik, Annette-Enrica Surkus, Jabor Rabeah, Kathrin Junge, Henrik Junge, Martin Nielsen, Angelika Brückner, Matthias Beller
Molecularly well-defined homogeneous catalysts are known for a wide variety of chemical transformations. The effect of small changes in molecular structure can be studied in detail and used to optimiz...Read More
Nahid Gharib NG Naseri, Sara J SJ Baldock, Anastasios A Economou, Nicholas J NJ Goddard, Peter R PR Fielden
Catalytic adsorptive stripping voltammetry (CAdSV) has been demonstrated at a bismuth film electrode (BiFE) in an injection-moulded electrochemical micro-flow cell. The polystyrene three-electrode flo...Read More
Lichao Hou, Linda Bowman, Terence G Meighan, Xianglin Shi, Min Ding
Tungsten carbide-cobalt (WC-Co) nanoparticle composites have wide applications because of their hardness and toughness. WC-Co was classified as "probably carcinogenic" to humans by the Inter...Read More
The effect of metal-nanocomposites (Me-NC) of cobalt and zinc (Co- and Zn-NC, correspondingly) synthecized on the basis of vinylpyrrolidone (PS) on the metal-accumulative proteins with antioxidant pot...Read More
Jungho Ryu, Guifang Han, Jong-Pil Lee, Dong-Soo Lim, Yun-Soo Park, Dae-Yong Jeong
Spinel structured highly dense NiMn2O4-based (NMO) negative temperature coefficient (NTC) thermistor thick films were fabricated by aerosol-deposition at room temperature. To enhance the thermistor B ...Read More
Feiran Zhang, Shridhar Bhat, Sandra B Gabelli, Xiaochun Chen, Michelle S Miller, Benjamin A Nacev, Yim Ling Cheng, David J Meyers, Karen Tenney, Joong Sup Shim, Phillip Crews, L Mario Amzel, Dawei Ma, Jun O Liu
Methionine aminopeptidases (MetAPs), which remove the initiator methionine from nascent peptides, are essential in all organisms. While MetAP2 has been demonstrated to be a therapeutic target for inhi...Read More
S Carbajo-Pescador, R Ordo?ez, M Benet, R Jover, A García-Palomo, J L Mauriz, J González-Gallego
Background:Hepatocellular carcinoma (HCC) growth relies on angiogenesis via vascular endothelial growth factor (VEGF) release. Hypoxia within tumour environment leads to intracellular stabilisation of...Read More
Hassan Imran Afridi, Tasneem Gul Kazi, Naveed Kazi, Naveed Kazi, Sadaf Sadia Arain, Kapil Dev Brahman, Sham Kumar Wadhwa
The aim of the present study was to compare the level of chromium (Cr), cobalt (Co), and manganese (Mn) in biological samples (blood, urine, and scalp hair) of patients suffering from different types ...Read More
E E Sabbioni, C C Minoia, R R Pietra, S S Fortaner, M M Gallorini, A A Saltelli
The EURO TERVIHT (Trace Element Reference Values in Human Tissues), recently initiated, aims to establish and compare trace metal reference values in inhabitants from the different EC countries. The p...Read More
Huseyin Serencam, Celal Duran, Duygu Ozdes, Hakan Bektas
A simple and highly sensitive separation and preconcentration procedure, which has minimal impact on the environment, has been developed. The procedure is based on the carrier element free coprecipita...Read More
A J Hart, S Muirhead-Allwood, M Porter, A Matthies, K Ilo, P Maggiore, R Underwood, P Cann, J Cobb, J A Skinner
Determining the relationship between clinical factors and engineering analysis of retrieved hip implants can help our understanding of the mechanism of device failure. This is particularly important f...Read More
Christopher Jantzen, Henrik L J?rgensen, Benn R Duus, Sune L Sporring, Jes B Lauritzen
Widely different metal ion concentrations in blood and serum have been reported with metal-on-metal (MoM) implants. We reviewed the literature on blood and serum ion concentrations of chromium (Cr) an...Read More
H John Cooper, Robert M Urban, Richard L Wixson, R Michael Meneghini, Joshua J Jacobs
Femoral stems with dual-taper modularity were introduced to allow additional options for hip-center restoration independent of femoral fixation in total hip arthroplasty. Despite the increasing availa...Read More
Jeannette ? Penny, Jens-Erik Varmarken, Ole Ovesen, Christian Nielsen, S?ren Overgaard
Background and purpose Wear particles from metal-on-metal arthroplasties are under suspicion for adverse effects both locally and systemically, and the DePuy ASR Hip Resurfacing System (RHA) has above...Read More
Carola C Lidén, Lizbet L Skare, Birger B Lind, Gun G Nise, Marie M Vahter
There is a great need to accurately assess skin exposure to contact allergens. We have developed a technique for assessment of skin exposure to nickel, chromium and cobalt using acid wipe sampling by ...Read More
M K Shobana, Wonjong Nam, Heeman Choe
Ferrites are extremely important magnetic ceramics in the production of electronic components because they reduce the energy losses by the induced currents acting as electrical insulators. Similarly, ...Read More
D W Su, H Liu, H J Ahn, G X Wang
Highly ordered mesoporous Co3O4 nanostructures were prepared using SBA-15 silica as hard templates. The mesoporous structures were characterized by X-ray diffraction, high resolution transmission elec...Read More
Pushya A Potnis, Debargh K Dutta, Steven C Wood
Metal orthopedic implant debris-induced osteolysis of hip bone is a major problem in patients with prosthetic-hips. Although macrophages are the principal targets for implant-wear debris, the receptor...Read More
Markus Mandl, Barbara Kapeller, Roman Lieber, Karin Macfelda
Solid tumors include hypoxic areas due to excessive cell proliferation. Adaptation to low oxygen levels is mediated by the hypoxia-inducible factor (HIF) pathway promoting invasion, metastasis, metabo...Read More
Takuya Kurahashi, Hiroshi Fujii
The Co(salen)(X) complex, where salen is chiral N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine and X is an external axial ligand, has been widely utilized as a versatile catalyst....Read More
Brett R Levine, Andrew R Hsu, Anastasia K Skipor, Nadim J Hallab, Wayne G Paprosky, Jorge O Galante, Joshua J Jacobs
We previously reported on the metal ion concentrations of cobalt, chromium, and titanium that were found in the serum of patients three years after they had undergone primary total hip arthroplasty as...Read More
S Perconti, G M Aceto, F Verginelli, F Napolitano, C Petrarca, G Bernardini, G Raiconi, R Tagliaferri, E Sabbioni, M Di Gioacchino, R Mariani-Costantini
Size-dependent characteristics of novel engineered nanomaterials might result in unforeseen biological responses and toxicity. To address this issue, we used cDNA microarray analysis (13443 genes) cou...Read More
Douglas A Weigent
We report here that culture of lymphoid cells under hypoxic conditions showed an increase in both luciferase expression from a GH-promoter luciferase construct and the levels of lymphocyte GH. The eff...Read More
Carmen Gherasim, Michael Lofgren, Ruma Banerjee
The reactivity of the cobalt-carbon bond in cobalamins is the key to their chemical versatility, supporting both methyl transfer and isomerization reactions. During evolution of higher eukaryotes that...Read More
Ryota Shizu, Sawako Shindo, Takemi Yoshida, Satoshi Numazawa
Hypoxia inducible factor (HIF) and 5'-AMP-activated protein kinase are often activated under similar physiological conditions. Constitutive androstane receptor (CAR) translocates into the nucleus...Read More
Heather De Bari, Edward A Berry
The X-ray crystal structure of ribosome hibernation promoting factor (HPF) from Vibrio cholerae is presented at 2.0?? resolution. The crystal was phased by two-wavelength MAD using cocrystallized coba...Read More
Tingting Ren, Hongyan He, Xiaolan Yu, Junming Fan, Jian Tan, Jian Liu
To investigate the effect of angiotensin-(1-7) [Ang(1-7)] on the transdifferentiation of normal rat kidney proximal tubular epithelia cells (NRK52E) under hypoxic condition induced by cobaltous chlori...Read More
William T Eckenhoff, William R McNamara, Pingwu Du, Richard Eisenberg
The generation of H2 from protons and electrons by complexes of cobalt has an extensive history. During the past decade, interest in this subject has increased as a result of developments in hydrogen ...Read More
J M Byrne, V S Coker, S Moise, P L Wincott, D J Vaughan, F Tuna, E Arenholz, G van der Laan, R A D Pattrick, J R Lloyd, N D Telling
Cobalt-doped magnetite (CoxFe3 -xO4) nanoparticles have been produced through the microbial reduction of cobalt-iron oxyhydroxide by the bacterium Geobacter sulfurreducens. The materials produced, as ...Read More
Marlies M De Boeck, Micheline M Kirsch-Volders, Dominique D Lison
The purpose of this review is to summarise the data concerning genotoxicity and carcinogenicity of Co and Sb. Both metals have multiple industrial and/or therapeutical applications, depending on the c...Read More
Francesca F Larese Filon, Giovanni G Maina, Gianpiero G Adami, Marta M Venier, Nicoletta N Coceani, Rossana R Bussani, Marilena M Massiccio, Pierluigi P Barbieri, Paolo P Spinelli
To evaluate skin absorption of cobalt powder in an in vitro system. Experiments with volunteers show that cobalt powder can permeate through the skin, but there are no data with regard to the mechanis...Read More
J C JC Morales Concepción, E E Cordiés Jackson, N N Sandin Hernández, J J Renó Céspedes, M E ME Moreno Díaz
To report on a female patient with metachronous bilateral Wilms' tumor with a long survival....Read More
Chun Ghee CG Tan, Robert N RN Grass
To develop magnetic nanomaterials applicable to organic synthesis, the Suzuki cross-coupling method was adapted to attach a range of functional groups to carbon-coated core-shell materials via commerc...Read More
Alexander Sch?¤tz, Robert N Grass, Wendelin J Stark, Oliver Reiser
TEMPO was grafted on graphene-coated nanobeads with a magnetic cobalt core by using a general applicable "click"-chemistry protocol. The new heterogeneous CoNP-TEMPO emerged as a highly acti...Read More

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