...Alan T. Marshall; Peta L. Clode SUMMARY Elemental imaging by X-ray microanalysis of fully frozen-hydrated samples shows that when Malpighian tubules of the black field cricket( Teleogryllus oceanicus L.) are incubated in saline in which Rb + has been substituted for K + , Rb + replaces much...

...Alan T. Marshall; Peta L. Clode; Robert Russell; Kathryn Prince; Richard Stern SUMMARY It is shown by x-ray microanalysis that a gradient of total intracellular Ca concentration exists from the outer oral ectoderm to the inner skeletogenic calicoblastic ectoderm in the coral Galaxea fascicularis...

...Peta L. Clode; Alan T. Marshall SUMMARY Element concentrations were measured by X-ray microanalysis in seawater(SW) compartments and mucocytes in bulk, frozen-hydrated preparations of the scleractinian coral Galaxea fascicularis . Quantitative X-ray microanalysis of polyps sampled in the daytime...

... not survive well. There has, therefore, been little reliable, direct measurement of the intracellular ion concentrations in PE and MR cells. The use of low-temperature scanning electron microscopy (LTSEM) and X-ray microanalysis (XRMA), however, allows the concentrations of elements to be measured...

... trout pavement epithelial cells mitochondria-rich cells intracellular concentration X-ray microanalysis It is well-known that freshwater fish take up ions, particularly Na + and Cl − , across the gills against a strong concentration gradient to maintain the ionic concentration of their body...

... by X-ray microanalysis. Fluid from the whole tubule was rich in K (175±13mmol l −1 ) and Cl (119±11mmol l −1 ). High concentrations of Na (49±8mmol l −1 ) and P (95±6mmol l −1 ) were also present, with Mg (13±1mmol l −1 ), S (6±1mmol l −1 ) and Ca (4±0mmol l −1 ) in relatively low concentrations...

... within the gland. 9 12 1987 © 1988 by Company of Biologists 1988 sweat glands X-ray microanalysis thermal sweating Recent X-ray microanalytical studies of atrichial (eccrine) sweat glands from both the human back ( McWilliams et al . 1987 ) and rat footpad ( McWilliams et al...

...) reveals that GCAM, CCAM, LM and BM have very different protein compositions. Preliminary enzymology is consistent with the K + ATPase being on the apical plasma membrane of the goblet cells of midgut and enveloping cells of sensilla. © 1983 by Company of Biologists 1983 X-ray microanalysis...