$rootScope.nodeId = $stateParams.studynodeRef;
  // $scope.id = '"' + $rootScope.nodeId + '"';

  Studies.all().then(function(payload){ $scope.studies = payload;
  $scope.study = $filter('filter')(payload, function (d) {
  $scope.id = '"' + $rootScope.nodeId + '"';
  return d.nodeRef === $scope.id ;})[0]; 
});