標(biāo)題: Titlebook: Gas Chromatography in the Analysis of Steroid Hormones; Herbert H. Wotiz,Stanley J. Clark Book 1966 Springer Science+Business Media New Yo [打印本頁(yè)] 作者: cucumber 時(shí)間: 2025-3-21 18:48
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones影響因子(影響力)
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones影響因子(影響力)學(xué)科排名
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones網(wǎng)絡(luò)公開(kāi)度
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones網(wǎng)絡(luò)公開(kāi)度學(xué)科排名
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones被引頻次
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones被引頻次學(xué)科排名
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones年度引用
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones年度引用學(xué)科排名
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones讀者反饋
書(shū)目名稱Gas Chromatography in the Analysis of Steroid Hormones讀者反饋學(xué)科排名
作者: transplantation 時(shí)間: 2025-3-21 21:02
https://doi.org/10.1007/978-3-322-81679-5The structural analysis of steroids by gas chromatography has been developed via two general approaches:作者: 方便 時(shí)間: 2025-3-22 03:29 作者: 憤憤不平 時(shí)間: 2025-3-22 05:11
https://doi.org/10.1007/978-1-4612-4226-0Interest in the estimation of steroids by gas chromatographic methods continues to grow, judging from the number of papers appearing in the literature. It seems appropriate to end this book with a very brief summary of the achievements and failures of the technique and to indicate what is likely to be done in the immediate future.作者: 明確 時(shí)間: 2025-3-22 10:49
Preliminary Purification,The discussion and presentation of gas chromatographic procedures for the analysis of steroid hormones for practical purposes must be divided into two parts.作者: 圖表證明 時(shí)間: 2025-3-22 14:43
Relationship of Chromatographic Behavior and Steroid Structure,The structural analysis of steroids by gas chromatography has been developed via two general approaches:作者: 圖表證明 時(shí)間: 2025-3-22 20:25
Determination of Androgens and Related Steroids,Androgens and 17-ketosteroids are derived from several organs. In the testes, the primary biosynthetic product appears to be the steroid testosterone.作者: Audiometry 時(shí)間: 2025-3-23 00:33
Hopes and Needs for the Future,Interest in the estimation of steroids by gas chromatographic methods continues to grow, judging from the number of papers appearing in the literature. It seems appropriate to end this book with a very brief summary of the achievements and failures of the technique and to indicate what is likely to be done in the immediate future.作者: Instinctive 時(shí)間: 2025-3-23 03:54
Graphic Display and Interactionrential sorption of the components by an active stationary phase. Migration through the stationary phase is produced by a driving force—the flow of a usually nonselective, mobile fluid phase. In gas—liquid chromatography one is concerned with that major subdivision of chromatography in which the mobile phase is an inert gas.作者: Ethics 時(shí)間: 2025-3-23 07:06 作者: Infelicity 時(shí)間: 2025-3-23 10:51
Mushy Zones with Fully Developed Chimneys work of Corner and Allen [1] showed that in the normal female a progestational hormone is released by the corpus luteum. Several research groups in the early 1930’s proved this to be the steroid progesterone.作者: BLANC 時(shí)間: 2025-3-23 16:25 作者: 外觀 時(shí)間: 2025-3-23 18:50 作者: Throttle 時(shí)間: 2025-3-24 00:18
Determination of Progesterone and Its Metabolic Products, work of Corner and Allen [1] showed that in the normal female a progestational hormone is released by the corpus luteum. Several research groups in the early 1930’s proved this to be the steroid progesterone.作者: BUDGE 時(shí)間: 2025-3-24 03:00 作者: 貪婪地吃 時(shí)間: 2025-3-24 07:28 作者: 古文字學(xué) 時(shí)間: 2025-3-24 12:15 作者: 廢止 時(shí)間: 2025-3-24 16:47 作者: Indelible 時(shí)間: 2025-3-24 21:49
Definition of Chromatography,rential sorption of the components by an active stationary phase. Migration through the stationary phase is produced by a driving force—the flow of a usually nonselective, mobile fluid phase. In gas—liquid chromatography one is concerned with that major subdivision of chromatography in which the mob作者: CUMB 時(shí)間: 2025-3-25 00:51 作者: 凝視 時(shí)間: 2025-3-25 07:09
Instrumentation,y maintained and some means must be provided both to determine what separation has been achieved and to measure the separated components of the sample. Instrumentation to serve these functions is manufactured by about thirty domestic companies, of which about a dozen can be considered major supplier作者: 隱藏 時(shí)間: 2025-3-25 09:24 作者: cornucopia 時(shí)間: 2025-3-25 14:20
The History of Gas-Liquid Chromatography of Steroids,he early reports of gas chromatography [1–3], that this tool would find its primary application in the separation of relatively volatile substances, by 1959 a number of compounds of boiling points nearly equal to steroid molecules had been gas chromatographed successfully. Notable among them are the作者: convert 時(shí)間: 2025-3-25 19:28
Column Practice,on of good analytical columns depends almost entirely upon the skill of the operator and thus it is of the utmost importance that the newcomer to gas chromatography acquire proficiency in making columns.作者: electrolyte 時(shí)間: 2025-3-25 21:03
Decomposition of Steroids During GLC,gh it is entirely feasible to measure steroids as their decomposition products rather than in their original state, it is generally more desirable to do the latter. One of the prime reasons for trying to avoid decomposition during chromatography is the rather hazardous quantitative aspect of such pr作者: FRAUD 時(shí)間: 2025-3-26 02:29 作者: Frenetic 時(shí)間: 2025-3-26 07:34 作者: 不如屎殼郎 時(shí)間: 2025-3-26 10:31 作者: CLAIM 時(shí)間: 2025-3-26 15:40 作者: 成份 時(shí)間: 2025-3-26 18:13
Determination of Urinary Pregnanetriol, formation of pregnanetriol. In turn, 17.-hydroxy progesterone is derived by hydroxylation at the 17.-position of the primary hormone progesterone. As has been discussed earlier, the latter compound has been shown to be produced by the corpus luteum of the ovary, in rather large quantities by the hu作者: ITCH 時(shí)間: 2025-3-27 00:19 作者: 性上癮 時(shí)間: 2025-3-27 02:24
Determination of Urinary Estrogens (in collaboration with Sati C. Chattoraj), maintenance of the menstrual cycle and pregnancy. In the female the organs of origin are the ovary, placenta, and the adrenal cortex, and in the male the testes and adrenal cortex. Chemically, they are steroids having 18 or 19 carbon atoms, an aromatic A-ring and an hydroxyl group at C-3, imparting作者: 別名 時(shí)間: 2025-3-27 09:13
https://doi.org/10.1007/978-1-59745-134-5larly, gas-liquid partition chromatography had its origin in biochemistry, although its early development was largely in the fields of organic and petroleum chemistry. Compared with the time lag between the original discovery of chromatography and its widespread use or, for that matter, between the 作者: 包租車船 時(shí)間: 2025-3-27 11:59
Graphic Display and Interactionrential sorption of the components by an active stationary phase. Migration through the stationary phase is produced by a driving force—the flow of a usually nonselective, mobile fluid phase. In gas—liquid chromatography one is concerned with that major subdivision of chromatography in which the mob作者: 畏縮 時(shí)間: 2025-3-27 14:59
Wojciech Cellary,Krzysztof Walczaks not soluble in the stationary phase is swept through the column at the same speed as the carrier gas, emerging at point B. A compound soluble in the stationary phase will travel more slowly, emerging at C. The time from the point of injection to the peak maximum is the retention time .. (AC in Fig作者: 無(wú)法解釋 時(shí)間: 2025-3-27 19:21
https://doi.org/10.1007/978-981-13-2399-7y maintained and some means must be provided both to determine what separation has been achieved and to measure the separated components of the sample. Instrumentation to serve these functions is manufactured by about thirty domestic companies, of which about a dozen can be considered major supplier作者: 會(huì)犯錯(cuò)誤 時(shí)間: 2025-3-27 23:10
David Tzuriel,Reuven Feuersteins of quantitative analysis. However, it is a relatively poor qualitative tool. Even when techniques such as those described in Chapter 13 are used, identification of unknown compounds is relatively uncertain. Although identification methods are of little interest to the laboratory exclusively engage作者: Cardioversion 時(shí)間: 2025-3-28 03:24 作者: hauteur 時(shí)間: 2025-3-28 06:27
https://doi.org/10.1007/978-3-663-01319-8on of good analytical columns depends almost entirely upon the skill of the operator and thus it is of the utmost importance that the newcomer to gas chromatography acquire proficiency in making columns.作者: 革新 時(shí)間: 2025-3-28 14:16 作者: synovial-joint 時(shí)間: 2025-3-28 18:34 作者: Ceremony 時(shí)間: 2025-3-28 22:46
Survey of Enhanced Information Systems,s, one can demonstrate that virtually none of the steroids available as commercial standards produce single peaks. In most instances this is simply a reflection of the presence of a small amount of impurity, rather than decomposition during chromatography. This can be ascertained readily by trapping作者: 束縛 時(shí)間: 2025-3-28 23:15 作者: META 時(shí)間: 2025-3-29 04:53 作者: ARCHE 時(shí)間: 2025-3-29 07:31 作者: 不連貫 時(shí)間: 2025-3-29 11:38 作者: Irascible 時(shí)間: 2025-3-29 18:55 作者: 假裝是你 時(shí)間: 2025-3-29 20:19
Decomposition of Steroids During GLC,do the latter. One of the prime reasons for trying to avoid decomposition during chromatography is the rather hazardous quantitative aspect of such procedures [1]. This is not meant to imply that alteration of compounds, such as side-chain cleavage or cyclization prior to chromatography, would be necessarily undesirable.作者: exquisite 時(shí)間: 2025-3-30 03:21
Determination of Urinary Pregnanetriol, has been discussed earlier, the latter compound has been shown to be produced by the corpus luteum of the ovary, in rather large quantities by the human placenta, and by the adrenal gland. In general, there appears to be relatively little accumulation of pregnanetriol in normal circumstances.作者: Agronomy 時(shí)間: 2025-3-30 07:35
Analysis of Some Key Comparisons in C#do the latter. One of the prime reasons for trying to avoid decomposition during chromatography is the rather hazardous quantitative aspect of such procedures [1]. This is not meant to imply that alteration of compounds, such as side-chain cleavage or cyclization prior to chromatography, would be necessarily undesirable.作者: 平庸的人或物 時(shí)間: 2025-3-30 11:33 作者: conformity 時(shí)間: 2025-3-30 14:31
Wojciech Cellary,Krzysztof Walczakr chart is equivalent to measuring retention volume. The chromatogram illustrated is an example of a differential chromatogram. This form of display is virtually universal and will be treated here to the exclusion of all others.作者: 種植,培養(yǎng) 時(shí)間: 2025-3-30 18:15
https://doi.org/10.1007/978-981-13-2399-7 but a discussion of the instrumental requirements for steroid gas chromatography together with some indication of the features critical to success can help the novice to select equipment best suited to his needs.作者: 博愛(ài)家 時(shí)間: 2025-3-31 00:08 作者: 喚起 時(shí)間: 2025-3-31 02:49
Instrumentation, but a discussion of the instrumental requirements for steroid gas chromatography together with some indication of the features critical to success can help the novice to select equipment best suited to his needs.作者: Misnomer 時(shí)間: 2025-3-31 09:01 作者: disrupt 時(shí)間: 2025-3-31 10:00
Gas Chromatography in the Analysis of Steroid Hormones978-1-4899-6633-9作者: Mammal 時(shí)間: 2025-3-31 16:12 作者: 終點(diǎn) 時(shí)間: 2025-3-31 21:23
David Tzuriel,Reuven Feuersteint to determine whether decomposition or rearrangement of the compounds of interest has occurred in the chromatographic system. Information of this sort can only be obtained by subjecting the components separated in the Chromatograph to further analysis; in this context the gas Chromatograph can be r作者: 討人喜歡 時(shí)間: 2025-4-1 01:32
Nikolaus Mohr,Gerhard P. Thomasort by Berthuis and Recourt [5] also showed the possibility of chromatographing sterols in the vapor phase. However, the first specific efforts directed toward the separation of hormones containing the steroid nucleus were reported independently and nearly simultaneously by three laboratories in 196作者: defray 時(shí)間: 2025-4-1 04:03 作者: Tonometry 時(shí)間: 2025-4-1 09:12
Survey of Enhanced Information Systems,ical reaction necessary to prepare the standard, or as biological companions where the steroid was obtained through extraction from natural sources. Indeed, the reader must be very cautious in the interpretation of the notation “chromatographically pure.” This, to our knowledge, never refers to “gas作者: obviate 時(shí)間: 2025-4-1 13:25
