发布求助
文献互助 智能选刊 最新文献

Comparative biochemistry and physiology最新文献

筛选
英文 中文
Pathophysiologic changes associated with the development of arteriosclerosis during various phases of the reproductive cycles of repeatedly bred rats 重复繁殖大鼠生殖周期不同阶段动脉硬化发生的病理生理变化
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90092-7
Robert F Lutmer , Bernard C Wexler
{"title":"Pathophysiologic changes associated with the development of arteriosclerosis during various phases of the reproductive cycles of repeatedly bred rats","authors":"Robert F Lutmer ,&nbsp;Bernard C Wexler","doi":"10.1016/0010-406X(70)90092-7","DOIUrl":"10.1016/0010-406X(70)90092-7","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Repeatedly bred rats develop arteriosclerosis spontaneously.</p></span></li><li><span>2.</span><span><p>2. Lactation and weaning cause exacerbation of the vascular changes.</p></span></li><li><span>3.</span><span><p>3. Mucopolysaccharides, collagen, elastic tissue and calcific changes are predominant features of the arteriosclerosis.</p></span></li><li><span>4.</span><span><p>4. The adrenal steroids are implicated in conditioning aortic enzyme changes, e.g. beta-glucuronidase, which make for premature arterial disease in breeder rats.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 445-452, IN1-IN8, 453-466"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90092-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81228693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Body composition of inbred mice (Mus musculus) 近交系小鼠(小家鼠)的身体组成
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90104-0
N.J Dawson
{"title":"Body composition of inbred mice (Mus musculus)","authors":"N.J Dawson","doi":"10.1016/0010-406X(70)90104-0","DOIUrl":"10.1016/0010-406X(70)90104-0","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. The gross chemical composition of the body was determined in one random bred line and three inbred lines of house mice (<em>Mus musculus</em>).</p></span></li><li><span>2.</span><span><p>2. The variability in relation to their respective means of body weight, and of each constituent except fat, was similar in each line.</p></span></li><li><span>3.</span><span><p>3. Analysis of variance revealed highly significant differences between lines in all constituents, and in body weights.</p></span></li><li><span>4.</span><span><p>4. Analysis of covariance using body weight as covariate revealed no difference between lines in content of fat-free combustible matter, significant differences in fat content, and highly significant differences in water and ash contents.</p></span></li><li><span>5.</span><span><p>5. The genetic and physiological implications of these results are discussed.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 589-593"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90104-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73138115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Unit responses in the metathoracic ganglion of the flying locust 飞蝗后胸神经节的单位反应
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90101-5
Charles H Page
{"title":"Unit responses in the metathoracic ganglion of the flying locust","authors":"Charles H Page","doi":"10.1016/0010-406X(70)90101-5","DOIUrl":"10.1016/0010-406X(70)90101-5","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Microelectrode unit recordings obtained from the metathoracic ganglia of flying locusts did not reveal any flight rhythm interneuronal pacemakers. If such units are present, they are not accessible for detailed electrophysiological examination.</p></span></li><li><span>2.</span><span><p>2. The detection of units responding to tactile and visual stimulation whose impulse discharge patterns were coupled with the flight rhythm provides evidence for the diffuse nature of the neural network which generates the flight pattern.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 565-571"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90101-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78878431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Effects of external salinity on Scutus breviculus (gastropoda, prosobranchia)—II. Nerve conduction 外部盐度对短尾Scutus breviculus(腹足纲，原鳃纲)的影响[j]。神经传导
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90093-9
Lois E Tucker
{"title":"Effects of external salinity on Scutus breviculus (gastropoda, prosobranchia)—II. Nerve conduction","authors":"Lois E Tucker","doi":"10.1016/0010-406X(70)90093-9","DOIUrl":"10.1016/0010-406X(70)90093-9","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. With adequate stimulation the compound action potentials of the cerebropedal and cerebropleural connectives of the prosobranch <em>Scutus breviculus</em> were found to have components with conduction velocities ranging from 0·64 to 0·13 m/sec.</p></span></li><li><span>2.</span><span><p>2. <em>Q</em><sub>10</sub> values for conduction velocities measured between 13 and 19°C were found to fall within the range 1·33–1·75.</p></span></li><li><span>3.</span><span><p>3. The conduction velocities were also measured with the connectives surrounded by artificial media with cation concentrations the same as those measured in the blood of <em>Scutus</em> specimenswhich had been kept in diluted sea water.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 467-472, IN9, 473-480"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90093-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127290658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Comparative and developmental studies on blood coagulation 血液凝固的比较与发展研究
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90105-2
Shang Woo Hwang, Walter D Wosilait
{"title":"Comparative and developmental studies on blood coagulation","authors":"Shang Woo Hwang,&nbsp;Walter D Wosilait","doi":"10.1016/0010-406X(70)90105-2","DOIUrl":"10.1016/0010-406X(70)90105-2","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. The variations in prothrombin time, Factors V and VII was studied in nine species.</p></span></li><li><span>2.</span><span><p>2. The changes in prothrombin time, Factors V and VII was studied during the development of rats and swine.</p></span></li><li><span>3.</span><span><p>3. In rats and swine, the prothrombin time decreased post partum, while the Factor V and VII content increased.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 595-599"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90105-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85186218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
The blood osmotic pressure of the terrestrial isopods Porcellio scaber latr. and Oniscus asellus L., with reference to the effect of temperature and body size 陆生等足类动物的血液渗透压比较晚。参考温度和体型的影响，研究了蛇尾草(Oniscus asellus L.)
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90096-4
Ossi V Lindqvist
{"title":"The blood osmotic pressure of the terrestrial isopods Porcellio scaber latr. and Oniscus asellus L., with reference to the effect of temperature and body size","authors":"Ossi V Lindqvist","doi":"10.1016/0010-406X(70)90096-4","DOIUrl":"10.1016/0010-406X(70)90096-4","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. The blood osmotic pressure in the terrestrial isopod <em>Porcellio scaber</em> varies inversely with the acclimation temperature (as measured at 3, 23 and 30°C). This species also has decreasing osmotic pressures with increasing size.</p></span></li><li><span>2.</span><span><p>2. Between 23 and 30°C smaller animals did not show any difference in their blood oxmotic pressure, while in larger animals the blood concentration remained unchanged between 23 and 3°C.</p></span></li><li><span>3.</span><span><p>3. Moulting animals as well as ovigerous females have lowered osmotic pressures. There was no influence of sex on the osmotic value in intermoult animals.</p></span></li><li><span>4.</span><span><p>4. The blood concentration of <em>Oniscus asellus</em> was not related to body size when measured at 23°C.</p></span></li><li><span>5.</span><span><p>5. Some ecological and metabolic implications of these findings are discussed.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 503-510"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90096-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79314627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Carbohydrate metabolism in Plasmodium knowlesi 诺氏疟原虫的碳水化合物代谢
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90099-X
L.W Scheibel, W.K Pflaum
{"title":"Carbohydrate metabolism in Plasmodium knowlesi","authors":"L.W Scheibel,&nbsp;W.K Pflaum","doi":"10.1016/0010-406X(70)90099-X","DOIUrl":"10.1016/0010-406X(70)90099-X","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Erythrocyte free preparations of <em>Plasmodium knowlesi</em> were incubated with various species of glucose <sup>14</sup>C and dyruvate <sup>14</sup>C. End products and isotope distribution were examined. It was found that:</p></span></li><li><span>2.</span><span><p>2. The quantities of glucose carbon incorporated into CO<sub>2</sub> keto acids and lipids were low and of doubtful significance.</p></span></li><li><span>3.</span><span><p>3. Volatile acids, neutral volatile compounds and lactate comprised the major end-products of glucose dissimilation by <em>P. knowlesi</em>. Carbon from <sup>14</sup>C labeled species of glucose and pyruvate were rapidly incorporated into both the neutral and acid volatile fractions. Acetate and formate have been identified as important components of the acid volatile fraction. Small amounts of succinate have been isolated, but can account for only a minor portion of the glucose carbon utilized.</p></span></li><li><span>4.</span><span><p>4. Pyruvate-<sup>14</sup>C was utilized rapidly by <em>P. knowlesi</em> preparations, the methyl carbon was incorporated into acetate while the carboxyl carbon was not, as would be predicted by known pathways.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 543-553"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90099-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89861519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 38
The effect of decreasing and increasing temperature on the frequency of the electric organ discharge in Eigenmannia sp 研究了温度的升高和降低对本征曼晶体电器官放电频率的影响
Comparative biochemistry and physiology Pub Date : 1970-12-15 DOI: 10.1016/0010-406X(70)90106-4
Michel Boudinot
{"title":"The effect of decreasing and increasing temperature on the frequency of the electric organ discharge in Eigenmannia sp","authors":"Michel Boudinot","doi":"10.1016/0010-406X(70)90106-4","DOIUrl":"10.1016/0010-406X(70)90106-4","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. A device was designed for accurate and automatic measurement of the frequency/temperature relationship of the electric discharge in a weakly electric fish, <em>Eigenmannia</em> sp.</p></span></li><li><span>2.</span><span><p>2. The observed hysteresis for increasing and decreasing temperatures was in the range of 2–4 per cent, maximal 10 per cent.</p></span></li><li><span>3.</span><span><p>3. The low values of hysteresis explains, in this respect, the negative results of Enger &amp; Szabo (1968) who used measuring methods which were not sufficiently accurate.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 4","pages":"Pages 601-603"},"PeriodicalIF":0.0,"publicationDate":"1970-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90106-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73988627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
A comparative study of the free amino acids in the haemolymph of a millipede, Spirostreptus asthenes, and a centipede Ethmostigmus spinosus (Myriapoda) 千足虫、软螺旋体和蜈蚣(多足科)血淋巴游离氨基酸的比较研究
Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90562-1
G.Sundara Rajulu
{"title":"A comparative study of the free amino acids in the haemolymph of a millipede, Spirostreptus asthenes, and a centipede Ethmostigmus spinosus (Myriapoda)","authors":"G.Sundara Rajulu","doi":"10.1016/0010-406X(70)90562-1","DOIUrl":"10.1016/0010-406X(70)90562-1","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Free amino acids of the haemolymph of a millipede <em>Spirostreptus asthenes</em> and a centipede <em>Ethmostigmus spinosus</em> were determined by the methods of Folin and Spackman <em>et al</em>.</p></span></li><li><span>2.</span><span><p>2. Seventeen amino acids (alanine, arginine, aspartic acid, cystine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenyl alanine, proline, serine, threonine, tyrosine and valine) were present in high concentrations.</p></span></li><li><span>3.</span><span><p>3. The presence of cystine is suggested to be characteristic of myriapods.</p></span></li><li><span>4.</span><span><p>4. Total concentrations of free amino acids were comparable to those of the primitive hemimetabolus insects.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 3","pages":"Pages 339-344"},"PeriodicalIF":0.0,"publicationDate":"1970-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90562-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87260198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
A temperature-induced transition in mitochondrial oxidation: Contrasts between cold and warm-blooded animals 温度诱导的线粒体氧化转变:冷血动物和温血动物的对比
Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90568-2
James M Lyons, John K Raison
{"title":"A temperature-induced transition in mitochondrial oxidation: Contrasts between cold and warm-blooded animals","authors":"James M Lyons,&nbsp;John K Raison","doi":"10.1016/0010-406X(70)90568-2","DOIUrl":"10.1016/0010-406X(70)90568-2","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Arrhenius plots for succinate oxidation by mitochondria from homeothermic animals indicate a phase change at approximately 23°C with an increased activation energy below this transition temperature.</p></span></li><li><span>2.</span><span><p>2. Similar plots for poikilotherms are continuous and linear with no change in activation energy over the entire range from 4–30°C.</p></span></li><li><span>3.</span><span><p>3. These results are suggested to be related to a direct response to temperature causing a configurational change of the membrane associated enzyme proteins induced by a phase change in the membrane lipids in homeotherms not observed in poikilotherms.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 3","pages":"Pages 405-411"},"PeriodicalIF":0.0,"publicationDate":"1970-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90568-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78222529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 187
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信