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Papers in Chemistry

Miscellaneous papers in Chemistry, A

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Papers 1 - 20 of 142,521 in Miscellaneous, A
  1. A 0.9V third-order 1.5bit delta-sigma ADC with simple dynamic element matching (DEM) is presented. A fully-differential low-voltage double-sampling structure avoids use of clock boosting or bootstrapping. It operates from 0.65V to 1.5V supply with…
  2. We present a sea-ice record from northern Greenland covering the past 10,000 years. Multiyear sea ice reached a minimum between ~8500 and 6000 years ago, when the limit of year-round sea ice at the coast of Greenland was located ~1000 kilometers to…
  3. A short sediment core (162 cm), covering the period AD 920-1999, was sampled from the south basin of Lake Winnipeg for a suite Of multi-proxy analyses leading towards a detailed characterisation of the recent millennial lake environment and…
  4. A stable 100-kD complex from mitochondria of Leishmania tarentolae containing two RNA-binding proteins, Ltp26 and Ltp28, was identified by cross-linking to unpaired 4-thiouridine nucleotides in a partially duplex RNA substrate. The genes were cloned…
  5. This study has worked on the evaluation of the temporal and spatial evolution of heavy metal contamination in sediment taken from a shallow eutrophic lake, Lake Chaohu, China, over the last 100 years, and thereby used (137)Cs and (210)Pb dating, a…
  6. RNase P from the mitochondria of Saccharomyces cerevisiae was purified to near homogeneity > 1800-fold with a yield of 1.6% from mitochondrial extracts. The most abundant protein in the purified fractions is, at 105 kDa, considerably larger than the…
  7. Human T-cell leukemia virus type 1 and type 2 (HTLV-1/2) are related retroviruses that infect T-lymphocytes. Whereas HTLV-1 infection can cause leukemia, HTLV-2 has not been demonstrated to be the agent of a hematological malignant disease.…
  8. Fluorescence resonance energy transfer (FRET) from the amino acid tryptophan (Trp) as donor and a 2,3-diazabicyclo2.2.2oct-2-ene-labeled asparagine (Dbo) as acceptor in peptides of the general structure Trp-(Pro)n-Dbo-NH2 (n = 1-6) was investigated…
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