Tìm thấy 12+ kết quả cho từ khóa "Stable isotope"
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Winemiller et al. (2010) stated that in stable isotope studies related to the food network structure in Monkey River in Central America, stable isotopes values in human settlements and agriculture are dense and had very strong relations with the stable isotopes of carbon and nitrogen of the consumers in the basin. Akin et al. (2010) studied the effects of dam structuring food webs in the lower Yeşilırmak River basin.. Kaymak et al.. In addition, Kaymak et al. Vašek et al..
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Compound-specific isotope analysis. Carbon and nitrogen stable isotopes as indicative of geographical origin of marijuana samples seized in the city of São Paulo (Brazil). Tracing the fate of microplastic carbon in the aquatic food web by compound-specific isotope analysis
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(in animal physiology) Equi- librium in the posture of the body. in birds it matures in the bursa of the cloaca (hence B cell).. mass number of the most stable isotope 247 (half-life years). The release of the enzyme. Age of the universe. The origin of the universe. Bio- logical clocks underlie many of the. *group 15 (formerly VB) of the periodic table. bit (binary digit) Either of the digits 0 or 1 as used in the *binary notation.
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*The relative natural abundance of a stable isotope is important because, in tracer studies, the amount of stable isotope is typically expressed in terms of atoms percent excess over the natural abundance of the isotope.. TABLE 17.4 Properties of Radioactive and Stable “Heavy” Isotopes Used as Tracers in Metabolic Studies. Genetics provides an approach to the identification of intermediate steps in me- tabolism that is somewhat analogous to inhibition.
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The chemical and stable isotope compositions of pore water squeezed from the Holocene marine clay are shown in table 1 and table 2. Water in the borehole ND02, at the depth of 26.83m has composition of oxygen-18 (δ 18 O) and deuterium (δ 2 H) to be -1.02‰ and -8.51‰ (vs. Chemical and stable isotopes compositions of pore water in the borehole ND01 (see Figure 1 for the location). Chemical and stable isotopes compositions of pore water in the borehole ND02 (see Figure 1 for the location).
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In plants it is a constituent (in the form of calcium pectate) of the *middle lamella.. mass number of the most stable isotope 251 (half-life about 700 years). *plasma cells of the bone marrow. characteristic of plants of the family Compositae (Aster- aceae), e.g. an ion of the type R 3 C.
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Muscle protein synthesis measured by stable isotope techniques in man: the effects of feeding and fasting. Leucine supplementation improves muscle protein synthesis in elderly men indepen- dently of hyperaminoacidaemia. Effect of age on in vivo rates of mitochondrial protein synthesis in human skeletal muscle. Skeletal muscle satellite cell populations in healthy young and older men and women..
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Leaf samples were collected from field plots of the asso- ciation panel grown in Athens, GA in 2015 (GA-15) and 2016 (GA-16) and used for stable isotope analysis. All of the soybean genotypes in the panel were in reproductive growth stages (R3-R6) at. Five leaves were randomly selected from each of the two-row plots at the third tri- foliolate leaf below the top of the plants.
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Identification of carbonylated proteins from enriched rat skeletal muscle mitochondria using affinity chroma- tography-stable isotope labeling and tandem mass spectrometry. Mechanisms of skeletal muscle degradation and its therapy in cancer cachexia. contraction–relaxation cycle: role of Ca 2+ -regulatory membrane proteins in normal, stimulated and pathological skeletal muscle (review). Proteomic profiling reveals a severely perturbed protein expression pattern in aged skeletal muscle.
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Our studies have shown that EBR is actually an endoplasmic reticulum (ER) stress inducer which was first identified with stable isotope labeling by amino acids in cell culture (SILAC) (Obakan et al., 2015) and mass spectroscopy analyses. Our following publication suggested that EBR induced chronic ER stress to induce several signaling mechanisms (Obakan-Yerlikaya et al., 2017), especially those playing a role to induce apoptosis..
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Examples of stable isotopes commonly used in nutrition research include. Unstable isotopes decay to stable elements, emitting radiation in the process.
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Dye, stable isotope, and rare element incorporation through feeding or dusting provide markers that can be used to distinguish marked individuals from others in the recaptured sample. Cronin et al. location of an individual continuously or at intervals (e.g., Riley et al. New genetic techniques permit identification of the source population of dis- persing individuals. Suarez et al. Density is the number of individuals per unit area.
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This emphasizes the need for using stable heavy isotope 13 C or radioactive isotope 14 C data for the carbon mass balance modeling of the pollutant biodegradation in soil ecosys- tems.. The lower organic carbon contents of soil compared to the biochar amended and AC amended soils as determined previously may have been anticipated to generate a lower amount of 44 CO 2 in the batch headspaces.
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The ice is dated through measurements of quantities, such as total CH 4 concentration and var- ious stable-isotope levels, that changed in known ways over time.. The dynamics of the rupture are complex,. and the mathematical singularity of the electric field at the sharp point that forms at the moment of breakup complicates numerical simulations.. The Taylor limit depends in- versely on the square root of the droplet radius r.
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Stable coin loại này được chống đỡ bởi lời hứa hẹn tăng trưởng trong tương lai. Ưu điểm của stable coin ● Không cần tài sản đảm bảo ● Phi tập trung và độc lập Nhược điểm của stable coin ● Yêu cầu sự tăng trưởng đều đặn ● Dễ bị tổn thương nhất khi thị trường suy giảm ● Khó để phân tích sự an toàn của hệ thống ● Quá phức tạp 5. Mua bán stable coin Sàn giao dịch Vậy chắc hẳn bạn sẽ đặt ra câu hỏi mua stable coin như thế nào? stable coin là những sàn nào? Mua bán stable coin.
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Liquid state 15 N NMR studies of 15 N isotope labeled phthalocyanines. Abstract: 15 N labeled soluble metallo- and metal-free phthalocyanines are described for the first time. The effects of the substitution pattern, aggregation, and coordinated metal on 15 N chemical shifts in liquid state NMR were studied..
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Meanwhile, it is shown that the deformed stable position of the rotational state is well predicted by the model. The design criterion for the rotational stability is presented in Fig. The 𝑡 𝑏 ∕ 𝐿 𝑏 and ℎ 𝑏 ∕ 𝐿 𝑏 obtained from the model are compared with FEA, as shown in Fig. It is shown that the model is able to give a reasonable prediction of the boundary that determines the rotational states.
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RESULTS OF LUNG FUNCTIONAL PARAMETERS MEASURED BY PLETHYSMOGRAPHY IN STABLE COPD. Objectives: To determine lung functional parameters of 117 patients with stable chronic obstructive pulmonary disease (COPD) at 103 Hospital from October, 2013 to March, 2016 by plethysmography and to study the relationship among these parameters with stages of stable COPD.
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Paleo - position of the South China Craton in the Rodinia Supercontinent: Evidence from the U - Pb age and Hf isotope of detrital zircon from the Nam Co Complex. To constrain the paleo - positions of the South China Cratons in the Rodinia Supercontinent during the Neoproterozoic, the in - situ U - Pb dating, and Hf isotope analysis of the detrital zircon from the Nam Co Complex, Song Ma Suture zone, northwestern Vietnam was performed.
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After survival ana- lysis, 425 of the 1446 genes were screened. 1 Consensus clustering of stable prognostic genes in gastric cancer. in the survival analysis of all samples, they were identi- fied as stable prognostic genes (Supplemental Table S2).. Results revealed sig- nificant differences in the proportion of stromal cells and immune cells between Type1 and Type2 patients, including T cells (t.