Interactions between carboxylic acids and aldehydes: a rotational study of HCOOH-CH2O.

The rotational spectrum of the 1:1 complex between formic acid and formaldehyde shows that the two units are linked together through a "classical" (OH···O) and a weak (CH···O) hydrogen bond. The molecular system appears quite rigid, and no effects of the internal motions have been observed in the spectrum.

[Cytomegalovirus ileitis in a non-immunocompromised old patient: a case report]. / Iléite à cytomégalovirus chez une personne âgée non immunodéprimée : à propos d'une observation.

INTRODUCTION: Cytomegalovirus ileitis occurs rarely in immunocompetent subjects. CASE REPORT: An 88-year-old woman presented with severe pain located in right iliac fossa. Biological tests showed an increase in C-reactive protein and neutrophils. Colonoscopy revealed a severely ulcerated and inflamed terminal ileal mucosa. Histopathological analysis of biopsies showed a typical cytopathic effect with ballooned cells and intranuclear inclusions, confirmed by positive immunological marking with anti-cytomegalovirus antibodies. Cytomegalovirus polymerase chain reaction in the plasma showed positive activity. The patient was successfully treated with valganciclovir. CONCLUSION: The predominant or isolated ileal location of cytomegalovirus infection should be known, especially in the elderly because aging could be a risk factor.