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Biomedical subjects

L T Jones

Publications and source records attributed to L T Jones.

At least 19 recordsLinked to original sources
PubMed1990

A staff management system for maintaining improvements in continence with elderly nursing home residents.

We developed a staff management system for maintaining treatment gains achieved on a specialized continence unit located in a geriatric nursing home. Geriatric assistants learned to use a prompted voiding procedure to maintain improved dryness for 4 elderly residents. The staff management system included self-monitoring and recording of prompted voiding activities and supervisory monitoring and feedback based on group performance of these activities. Results show that the system was effective in maintaining prompted voiding activities with corresponding maintenance of improved patient continence. However, a gradual decline in staff performance was noted 4 to 5 months after the initiation of the system. During a subsequent phase of the study, provision of individual feedback restored staff performance to previous levels. Results are discussed in relation to the practicality of prompted voiding interventions in nursing home environments and the applicability of staff management systems in this setting.

Aged↗
PubMed1980

The effect of various cholecalciferol-related substances on the biosynthesis of the cholecalciferol-dependent calcium-binding protein in the small intestine of the rachitic chick and its relation to rickets.

Rachitic chicks were injected with different dose-levels of cholecalciferol and several cholecalciferol-related substances, i.e., dihydrotachysterol 3, ergocalciferol, 5,6-transcholecalciferol and 25-hydroxycholecalciferol. The response to treatment was assayed by the amount of cholecalciferol-dependent calcium-binding protein produced in the mucosa of the small intestine. The biological activity of these substances in the healing of rickets in the rat was also estimated except for ergocalciferol. The relative potencies in stimulating calcium-binding protein production were: 25-hydroxycholecalciferol > cholecalciferol > 5,6-trans-cholecalciferol > ergocalciferol > dihydrotachysterol 3.

Animals↗
PubMed1978

The myoglobin of an echidna (Tachyglossus aculeatus aculeatus).

The skeletal myoglobin of the echidna was composed of 153 residues. Its primary amino acid sequence has been determined and compared with that of platypus. Nine differences were found. The number of differences from known marsupial and eutherian myoglobin is about twice as much.

Amino Acid Sequence↗
PubMed1977

The myoglobin of the Cape fox (Vulpes chama).

Tryptic, peptic and chymotryptic peptides from the myoglobin of the Cape fox (Vulpes chama) have been aligned with the sequence of the myoglobin of the domestic dog. No amino acid difference was found. Seven carnivore myoglobins now known are compared amongst themselves and it is noted that though the differences between them are found in many different parts of the myoglobin molecule, there seems to be a higher incidence along the loop formed by helix G, the interhelical region GH and the helix H.

Amino Acid Sequence↗
PubMed1977

The myoglobin of the killer whale (Orcinus orca).

Whereas the myoglobin of the dolphin surprisingly resembles that of the sperm whale more than that of the porpoise, the myoglobin of a killer whale does not show this feature. It differs from the myoglobins of the dolphin in 6, of the porpoise in 8, and of the sperm whale in 14 positions. The residues in which the cetaceans differ are localised in one particular area of the molecule.

Amino Acid Sequence↗
PubMed1975

The cure of ptosis by aponeurotic repair.

Indications for the procedure of aponeurotic repair are nearly all of the ptoses that have 8 mm or more of elevation from downward to upward gaze. Such cases have a levator with an adequate striated part, an inadequate superior tarsal (Müller) muscle, and an aponeurosis that has involutional changes such as a dehiscence or disinsertion. Local anesthesia is advised. The incision is made 7 mm above the lash-line, through the skin and pretarsal muscle only. Blunt dissection upward is used until the preaponeurotic fat pad is uncovered. The upper part of the aponeurosis is picked up under the fat pad and sutured to the lower part of the aponeurosis with 5-0 chromic gut. Fifty-seven eyelids in thirty-four patients have been operated on, with excellent results and minimal trauma.

Adult↗